/* Fonts (self-hosted via @fontsource) — só subset latin + só woff2 (browsers modernos) */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/inter-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/inter-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/inter-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/inter-latin-700-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-600-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-latin-700-normal.woff2') format('woff2');
}

/* ─── Design tokens (redesign — consumed by shared classes) ────────── */
:root {
  --bg:        #0a0d12;
  --fg:        #fafafa;
  --muted:     #a3a3a3;
  --muted-2:   #6b7280;
  --border:    rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --card:      rgba(15, 18, 25, 0.88);
  --card-solid:rgba(15, 18, 25, 0.92);
  --primary:   #3b82f6;
  --primary-2: #60a5fa;
  --accent-rgb: 59, 130, 246;
  --ok:        #22c55e;
  --warn:      #eab308;
  --bad:       #ef4444;
  /* Largura da faixa de conteudo (conteudo + dashboard + admin). O header/footer
     NAO usam isto -- sao full-width, a comecar da esquerda. O "encolher tudo"
     (o tamanho menor) e feito pelo zoom base no scale.js, nao por esta largura. */
  --band: 1230px;
}

* { box-sizing: border-box; }

/* O atributo hidden do HTML tem de vencer qualquer display de classe (ex.:
   display:flex/grid), senao elementos marcados com hidden aparecem na mesma. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Sem overflow-x: hidden: abaixo de 1150 o app-shell (min-width 1280) tem de
     transbordar e criar scroll horizontal. O fundo e position:fixed, logo nao
     contribui para o scroll -- so o conteudo e que scrolla. */
  min-height: var(--app-h, 100vh); /* altura real da viewport (scale.js); evita o bug do 100vh+zoom */
}

.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }

/* ─── Background stage + overlays ──────────────────────────────────── */
.bg-stage {
  position: fixed; inset: 0; z-index: 0;
  /* Igual ao app-shell: o fundo (globo/estrelas) fica congelado a 1280px e nao
     encolhe abaixo disso -- o canvas mede >=1280, logo o globo mantem o tamanho.
     E fixed, portanto nao cria scroll nem se mexe no scroll vertical. */
  min-width: 1280px;
  pointer-events: none; overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(var(--accent-rgb), 0.06), transparent 60%),
    radial-gradient(ellipse 100% 80% at 50% 100%, rgba(var(--accent-rgb), 0.03), transparent 70%),
    var(--bg);
}
.bg-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* flex:1 (nao min-height da viewport): o .page enche o espaco entre header e footer
   (o app-main ja e flex:1 dentro do app-shell). Usar min-height:var(--app-h) aqui
   contava a viewport INTEIRA por baixo do header -> header+viewport+footer passava
   a viewport e criava scroll fantasma nas paginas de conteudo curto. Conteudo longo
   cresce na mesma (min-height:auto do item flex = min-content). */
.page { position: relative; z-index: 1; flex: 1; display: flex; flex-direction: column; }

/* ─── Header ───────────────────────────────────────────────────────── */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 13, 18, 0.94);
  border-bottom: 1px solid var(--border);
}
header.site .row {
  /* Full-width, a comecar da esquerda -- a navbar nao acompanha a faixa do
     conteudo (nao precisa de ter a mesma largura que a pagina). */
  max-width: none; margin: 0 auto;
  padding: 14px 28px;
  display: flex; align-items: center; gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; color: var(--primary-2);
  font-size: 18px; letter-spacing: -0.01em;
  text-decoration: none;
}
.brand-mark {
  width: 28px; height: 28px; display: block;
}
nav.main { display: flex; gap: 4px; margin-left: 12px; }
nav.main a {
  color: var(--muted); text-decoration: none;
  padding: 7px 12px; border-radius: 7px;
  font-size: 15px; font-weight: 500;
  transition: color .15s, background .15s;
}
nav.main a:hover { color: var(--fg); background: rgba(255, 255, 255, 0.04); }
nav.main a.active { color: var(--fg); background: rgba(var(--accent-rgb), 0.1); }

.header-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.search-inline { position: relative; flex: 0 0 280px; }
.search-inline input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 9px;
  padding: 8px 12px 8px 32px;
  font-size: 13px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  outline: none;
  transition: border-color .15s, background .15s;
}
.search-inline input:focus { border-color: rgba(var(--accent-rgb), 0.5); background: rgba(255, 255, 255, 0.06); }
.search-inline svg {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 13px; height: 13px; color: var(--muted-2);
}
.avatar-btn {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.3), rgba(var(--accent-rgb), 0.1));
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; color: var(--primary-2); cursor: pointer;
  text-decoration: none;
}

/* ─── Buttons ──────────────────────────────────────────────────────── */
.btn {
  appearance: none; border: 0;
  font-family: inherit; font-weight: 500; font-size: 13px;
  padding: 9px 14px;
  border-radius: 9px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
  text-decoration: none; color: var(--fg);
  transition: transform .1s, background .15s, border-color .15s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; }
.btn-primary {
  background: var(--primary); color: white;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 6px 22px -8px rgba(var(--accent-rgb), 0.7);
}
.btn-primary:hover:not(:disabled) { background: color-mix(in oklab, var(--primary) 90%, white); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { background: rgba(255, 255, 255, 0.08); border-color: var(--border-strong); }
.btn-lg { padding: 12px 18px; font-size: 15px; border-radius: 10px; }
.btn-mono { font-family: "JetBrains Mono", monospace; letter-spacing: 0.08em; text-transform: uppercase; font-size: 12px; }

/* Codigo inline (<code>): a fonte E o "chip" (fundo/cor/padding/canto) ficam
   definidos AQUI, num sitio so -- um componente unico. O tamanho e 0.9em
   (relativo: ~90% do texto onde esta). As excecoes ficam como override nas regras
   por pagina: a borda do topico e as cores do tema admin. */
code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9em;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--primary-2);
  padding: 1px 5px;
  border-radius: 4px;
}

/* ─── Card ─────────────────────────────────────────────────────────── */
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.4), transparent);
  opacity: 0.5;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.card-head .ttl {
  font-size: 11px;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.card-head .ttl::before { content: "▸ "; color: rgba(var(--accent-rgb), 0.7); }
.card-head .actions {
  font-size: 11px; font-family: "JetBrains Mono", monospace;
  color: rgba(var(--accent-rgb), 0.8); text-decoration: none;
}
.card-head button.actions {
  appearance: none; background: none; border: 0; padding: 0; cursor: pointer;
}
.card-body { padding: 18px; }

/* ─── Page head ────────────────────────────────────────────────────── */
.page-head {
  max-width: var(--band); margin: 0 auto;
  padding: 32px 28px 12px;
  width: 100%;
}
.page-head .breadcrumb,
.adm-header .breadcrumb {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted-2); letter-spacing: 0.04em;
  margin-bottom: 10px;
}
/* Migalhas so esteticas: mostram o caminho real mas nao navegam (sem clique,
   sem maozinha, sem "acender" no hover). */
.page-head .breadcrumb a,
.adm-header .breadcrumb a {
  color: var(--muted-2); text-decoration: none;
  pointer-events: none; cursor: default;
}
.page-head .breadcrumb .sep,
.adm-header .breadcrumb .sep { color: var(--muted-2); margin: 0 6px; }
.page-head .breadcrumb .cur,
.adm-header .breadcrumb .cur { color: var(--muted-2); }
.page-head h1 {
  font-size: 28px;
  font-weight: 600; letter-spacing: -0.02em;
  margin: 0;
}
.page-head .subtitle { color: var(--muted); font-size: 15px; margin-top: 4px; }
.page-head .title-row {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
/* Linha de topo: breadcrumb à esquerda, cartão/eyebrow à direita (igual ao admin). */
.page-head .head-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px 16px; flex-wrap: wrap;
  /* margin-top negativo: o breadcrumb fica centrado com a pilula (mais alta),
     o que o empurra ~6px para baixo; puxamos a linha de volta para o topo (32px)
     para ficar ao nivel do my-area, mantendo breadcrumb e pilula level. */
  margin: -6px 0 10px;
}
.page-head .head-top .breadcrumb { margin-bottom: 0; }

/* ─── Eyebrow / chip ───────────────────────────────────────────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 11px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--primary-2);
  font-size: 10px; font-weight: 500;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
}

/* ─── Inputs ───────────────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  display: flex; justify-content: space-between; align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
/* Dica a direita da label (ex.: "max. 50"): minuscula, sem tracking. */
.field label .opt { color: var(--muted-2); text-transform: none; letter-spacing: 0; }
.input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-strong);
  color: var(--fg);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 15px;
  font-family: "JetBrains Mono", monospace;
  outline: none;
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.input:focus {
  border-color: rgba(var(--accent-rgb), 0.7);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}
/* As mensagens de erro dos campos estao no fim do ficheiro. */

/* ─── Footer ───────────────────────────────────────────────────────── */
footer.site {
  border-top: 1px solid var(--border);
  padding: 22px 28px 26px;
  color: var(--muted-2);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; letter-spacing: 0.05em;
  text-align: center;
}
footer.site .row { display: flex; justify-content: space-between; max-width: none; margin: 0 auto; gap: 16px; flex-wrap: wrap; }

/* ─── Common badge ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 8px;
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge.neutral { background: rgba(255, 255, 255, 0.05); color: var(--muted); border: 1px solid var(--border); }

/* ─── App shell (estrutura global do AppRouter) ────────────────────── */
.app-shell {
  display: flex; flex-direction: column;
  min-height: var(--app-h, 100vh); /* altura real da viewport (scale.js); evita o bug do 100vh+zoom */
  /* Ecra-base de desktop = 1280px (ver scale.js). O layout e sempre 1280 e e
     escalado por cima (zoom). Abaixo de janela 1150 nao se adapta: fica com o
     layout de 1280 congelado no tamanho de 1150 e aparece scroll horizontal. */
  min-width: 1280px;
  background: var(--bg); color: var(--fg);
}
.app-main { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; }
.app-footer-wrap { position: relative; z-index: 1; }
@keyframes loadingSpin {
  to { transform: rotate(360deg); }
}

/* ════════════════════════════════════════════════════════════════════
   PAGE: Landing  ([data-page="home"])
   ════════════════════════════════════════════════════════════════════ */
[data-page="home"] .btn-lg { padding: 12px 22px; font-size: 15px; border-radius: 11px; }

[data-page="home"] section.hero {
  text-align: center;
  padding: 110px 28px 80px;
  max-width: var(--band); margin: 0 auto;
  position: relative;
}
[data-page="home"] .eyebrow {
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}
[data-page="home"] h1.hero-title {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.02;
  margin: 0 auto 24px;
  max-width: 16ch;
  text-wrap: balance;
}
[data-page="home"] h1.hero-title .accent {
  background: linear-gradient(120deg, var(--primary-2), white 50%, var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 100%;
  animation: shimmer 8s linear infinite;
}
@keyframes shimmer { 0% { background-position: 0% 0%; } 100% { background-position: 200% 0%; } }
[data-page="home"] .hero-sub {
  max-width: 56ch; margin: 0 auto 36px;
  color: var(--muted);
  font-size: 18px; line-height: 1.55;
  text-wrap: pretty;
}
[data-page="home"] .hero-meta {
  margin-top: 60px;
  display: flex; gap: 36px; justify-content: center; flex-wrap: wrap;
  color: var(--muted-2);
  font-size: 12px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.04em;
}
[data-page="home"] .hero-meta .item { display: flex; align-items: center; gap: 8px; }
[data-page="home"] .hero-meta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
}

[data-page="home"] .hud {
  position: absolute;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.03em;
  pointer-events: none;
}
[data-page="home"] .hud .label { color: rgba(var(--accent-rgb), 0.7); margin-right: 6px; }
[data-page="home"] .hud .val { color: var(--fg); opacity: 0.7; }
[data-page="home"] .hud-tl { top: 28px; left: 28px; text-align: left; }
[data-page="home"] .hud-tr { top: 28px; right: 28px; text-align: right; }
[data-page="home"] .hud-line + .hud-line { margin-top: 4px; }

[data-page="home"] section.features {
  max-width: var(--band); margin: 0 auto;
  padding: 40px 28px 80px;
}
[data-page="home"] .section-head { text-align: center; margin-bottom: 16px; }
[data-page="home"] .section-head h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
[data-page="home"] .section-head p {
  color: var(--muted);
  max-width: 60ch; margin: 0 auto;
  font-size: 16px;
}
[data-page="home"] .feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
[data-page="home"] .feature {
  position: relative;
  display: block;
  padding: 24px 22px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, transform .2s;
}
[data-page="home"] .feature:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  transform: translateY(-2px);
}
[data-page="home"] .feature::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(var(--accent-rgb), 0.10), transparent 60%);
  opacity: 0;
  transition: opacity .25s;
  pointer-events: none;
}
[data-page="home"] .feature:hover::before { opacity: 1; }
[data-page="home"] .feature .corner {
  position: absolute; top: 0; right: 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  color: var(--muted-2);
  padding: 10px 14px;
  opacity: 0.6;
}
[data-page="home"] .feature .icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  background: rgba(var(--accent-rgb), 0.12);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-2);
  margin-bottom: 18px;
}
[data-page="home"] .feature h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
[data-page="home"] .feature p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  margin: 0 0 18px;
}
[data-page="home"] .feature .arrow {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--primary-2);
  font-size: 13px;
  font-weight: 500;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
[data-page="home"] .feature .arrow svg { transition: transform .2s; }
[data-page="home"] .feature:hover .arrow svg { transform: translateX(3px); }
[data-page="home"] .feature .underline {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.5), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s;
}
[data-page="home"] .feature:hover .underline { transform: scaleX(1); }

[data-page="home"] section.topics {
  max-width: var(--band); margin: 0 auto;
  padding: 40px 28px 80px;
}
[data-page="home"] .category-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-auto-rows: 1fr; /* todas as linhas com a altura da mais alta -> cartoes uniformes */
  gap: 14px;
}
[data-page="home"] .category-chip {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 6px;
  transition: background .15s, border-color .15s;
  text-decoration: none;
  color: inherit;
}
[data-page="home"] .category-chip:hover { background: rgba(255, 255, 255, 0.05); border-color: var(--border-strong); }
[data-page="home"] .category-chip .num {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  color: rgba(var(--accent-rgb), 0.7);
  letter-spacing: 0.06em;
}
[data-page="home"] .category-chip .ttl { font-weight: 500; font-size: 15px; }
[data-page="home"] .category-chip .meta { font-size: 12px; color: var(--muted-2); }

/* ─── Home · proteccao de overflow ──────────────────────────────────────
   Campos com texto de utilizador/BD: nome na HUD, host no eyebrow e nomes
   das categorias nos trilhos. */
/* (O nome do utilizador na HUD mostra as iniciais -- initials() garante 1-2
   chars -- por isso nao precisa de truncagem.) */
/* Trilhos (nomes de categoria): min-width:0 deixa a celula da grelha encolher
   (senao uma palavra gigante alarga a coluna e empurra a pagina); a palavra
   parte dentro do chip. */
[data-page="home"] .category-chip { min-width: 0; }
[data-page="home"] .category-chip .ttl { overflow-wrap: anywhere; }

[data-page="home"] section.about {
  padding: 80px 28px;
}
[data-page="home"] .about-inner { max-width: 720px; margin: 0 auto; text-align: center; }
[data-page="home"] .about-inner h2 {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
[data-page="home"] .about-inner p { color: var(--muted); font-size: 16px; line-height: 1.7; }

/* ════════════════════════════════════════════════════════════════════
   PAGE: Auth  ([data-page="auth"])
   ════════════════════════════════════════════════════════════════════ */
/* Pagina curta: preenche o espaco disponivel (ecra - navbar - rodape) em vez de
   forcar 100vh, para o cartao ficar centrado na vertical e sem scroll. */
[data-page="auth"] { flex: 1; min-height: 0; }
[data-page="auth"] .auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 28px;
}
[data-page="auth"] .auth-card {
  width: 100%;
  max-width: 880px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 30px 80px -20px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(var(--accent-rgb), 0.06),
    0 0 60px -10px rgba(var(--accent-rgb), 0.15);
  position: relative;
}
[data-page="auth"] .auth-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.5), transparent);
}

[data-page="auth"] .auth-side {
  padding: 32px 32px 28px;
  border-right: 1px solid var(--border);
  background:
    radial-gradient(ellipse 100% 60% at 50% 0%, rgba(var(--accent-rgb), 0.07), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent);
  display: flex; flex-direction: column; gap: 22px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
}
[data-page="auth"] .auth-side .badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 11px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--primary-2);
  font-size: 10px;
  letter-spacing: 0.1em;
  width: fit-content;
  text-transform: none;
}
[data-page="auth"] .auth-side h2 {
  font-family: "Inter", sans-serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
}
[data-page="auth"] .auth-side .lead {
  font-family: "Inter", sans-serif;
  font-size: 13px; color: var(--muted);
  line-height: 1.55;
  margin: -8px 0 0;
}
[data-page="auth"] .term {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.7;
}
[data-page="auth"] .term .prompt { color: rgba(var(--accent-rgb), 0.9); }
[data-page="auth"] .term .cmd { color: var(--fg); }
[data-page="auth"] .term .cur::after {
  content: "▊";
  color: var(--primary-2);
  animation: blink 1s steps(2) infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }
[data-page="auth"] .stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
[data-page="auth"] .stat-tile {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}
[data-page="auth"] .stat-tile .k {
  font-size: 9px; letter-spacing: 0.1em;
  color: var(--muted-2); text-transform: uppercase;
}
[data-page="auth"] .stat-tile .v {
  font-size: 18px; color: var(--fg);
  font-weight: 600; margin-top: 4px;
  font-variant-numeric: tabular-nums;
  font-family: "Inter", sans-serif; letter-spacing: -0.01em;
}
[data-page="auth"] .sys-rows { display: grid; gap: 6px; }
[data-page="auth"] .sys-row { display: flex; justify-content: space-between; gap: 12px; }
[data-page="auth"] .sys-row .k { color: var(--muted-2); }
[data-page="auth"] .sys-row .v { color: var(--fg); text-align: right; }

[data-page="auth"] .auth-form {
  padding: 32px 36px 30px;
  display: flex; flex-direction: column; gap: 18px;
  position: relative;
}
[data-page="auth"] .form-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
[data-page="auth"] .tab-toggle {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.02);
}
[data-page="auth"] .tab-toggle a {
  display: inline-flex; align-items: center;
  background: transparent; text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; letter-spacing: 0.06em;
  cursor: pointer;
  text-transform: uppercase;
  transition: color .15s, background .15s;
}
[data-page="auth"] .tab-toggle a:hover { color: var(--fg); }
[data-page="auth"] .tab-toggle a.active {
  background: rgba(var(--accent-rgb), 0.15);
  color: var(--primary-2);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.3) inset;
}
[data-page="auth"] .form-title {
  font-size: 24px; font-weight: 600;
  letter-spacing: -0.02em;
  margin: 4px 0 0;
}

[data-page="auth"] .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
[data-page="auth"] .field label {
  display: flex; justify-content: space-between; gap: 6px; align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
[data-page="auth"] .field .input-wrap { position: relative; display: flex; align-items: center; }
[data-page="auth"] .field input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-strong);
  color: var(--fg);
  border-radius: 9px;
  padding: 11px 12px 11px 36px;
  font-size: 15px;
  font-family: "JetBrains Mono", monospace;
  outline: none;
  transition: border-color .15s, background .15s, box-shadow .15s;
}
[data-page="auth"] .field input:focus {
  border-color: rgba(var(--accent-rgb), 0.7);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}
[data-page="auth"] .field .icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 14px; height: 14px;
  color: var(--muted-2);
  pointer-events: none;
}
[data-page="auth"] .field .reveal {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  appearance: none; border: 0; background: transparent; cursor: pointer;
  padding: 6px; border-radius: 6px;
  color: var(--muted-2);
  display: inline-flex;
}
[data-page="auth"] .field .reveal:hover { color: var(--fg); background: rgba(255, 255, 255, 0.05); }
[data-page="auth"] .pw-strength { display: grid; gap: 8px; margin-top: 4px; }
[data-page="auth"] .pw-bar { display: flex; gap: 4px; }
[data-page="auth"] .pw-bar span {
  flex: 1; height: 3px; border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
  transition: background .2s;
}
[data-page="auth"] .pw-bar span.s1 { background: var(--bad); }
[data-page="auth"] .pw-bar span.s2 { background: var(--warn); }
[data-page="auth"] .pw-bar span.s3 { background: var(--primary); }
[data-page="auth"] .pw-bar span.s4 { background: var(--ok); }
[data-page="auth"] .pw-checks {
  display: flex; flex-wrap: wrap; gap: 6px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted-2);
}
[data-page="auth"] .pw-checks .check { display: inline-flex; align-items: center; gap: 4px; transition: color .15s; }
[data-page="auth"] .pw-checks .check.valid { color: #86efac; }
[data-page="auth"] .pw-checks .check .mark { display: inline-block; width: 12px; }

[data-page="auth"] .submit-row { margin-top: 6px; display: flex; flex-direction: column; gap: 12px; }
[data-page="auth"] .btn-submit {
  width: 100%;
  appearance: none; border: 0;
  background: var(--primary);
  color: white;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.1em;
  padding: 13px 16px;
  border-radius: 10px;
  cursor: pointer;
  text-transform: uppercase;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 6px 22px -8px rgba(var(--accent-rgb), 0.7);
  transition: transform .1s, background .15s, opacity .15s;
}
[data-page="auth"] .btn-submit:hover:not(:disabled) { background: color-mix(in oklab, var(--primary) 90%, white); }
[data-page="auth"] .btn-submit:active { transform: translateY(1px); }
[data-page="auth"] .btn-submit:disabled { opacity: 0.7; }
[data-page="auth"] .btn-submit .arrow { display: inline-block; transition: transform .2s; }
[data-page="auth"] .btn-submit:hover:not(:disabled) .arrow { transform: translateX(3px); }

[data-page="auth"] .form-foot { text-align: center; font-size: 13px; color: var(--muted); margin-top: 2px; }
[data-page="auth"] .form-foot a {
  background: transparent; text-decoration: none;
  color: var(--primary-2);
  font-weight: 500; font-size: 13px;
  border-bottom: 1px dashed rgba(var(--accent-rgb), 0.4);
  padding-bottom: 1px;
}
[data-page="auth"] .form-foot a:hover { border-bottom-color: var(--primary-2); }

/* ════════════════════════════════════════════════════════════════════
   PAGE: Topics  ([data-page="topics"])
   ════════════════════════════════════════════════════════════════════ */
[data-page="topics"] .topics-main {
  max-width: var(--band);
  margin: 0 auto;
  padding: 24px 28px 80px;
  width: 100%;
  flex: 1;
}

[data-page="topics"] .cat-section { margin-bottom: 48px; scroll-margin-top: 90px; }
[data-page="topics"] .cat-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  gap: 16px; flex-wrap: wrap;
}
[data-page="topics"] .cat-header .ttl {
  display: flex; align-items: baseline; gap: 12px;
  min-width: 0;
}
[data-page="topics"] .cat-header h2 {
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  /* So rede de seguranca: uma palavra gigante parte-se em vez de sair para fora
     (scroll horizontal). Nomes normais nao mudam nada. */
  min-width: 0; overflow-wrap: anywhere;
}
[data-page="topics"] .cat-header .num {
  display: inline-flex; align-items: baseline; gap: 7px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg);
}
[data-page="topics"] .cat-header .num::before {
  content: "▸"; color: rgba(var(--accent-rgb), 0.85);
}
[data-page="topics"] .cat-header .num .c {
  color: rgba(var(--accent-rgb), 0.7);
}
[data-page="topics"] .progress-meta {
  display: flex; align-items: center; gap: 12px;
  color: var(--muted-2);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
}
[data-page="topics"] .cat-progress {
  width: 120px; height: 4px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.06); overflow: hidden;
}
[data-page="topics"] .cat-progress > div {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 6px rgba(var(--accent-rgb), 0.5);
}

[data-page="topics"] .topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

[data-page="topics"] .topic-card {
  position: relative;
  padding: 20px 20px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, transform .2s, background .2s;
  display: flex; flex-direction: column; gap: 8px;
  overflow: hidden; min-width: 0;
}
[data-page="topics"] .topic-card:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  transform: translateY(-2px);
  background: rgba(15, 18, 25, 0.75);
}
[data-page="topics"] .topic-card::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(var(--accent-rgb), 0.08), transparent 60%);
  opacity: 0; transition: opacity .25s; pointer-events: none;
}
[data-page="topics"] .topic-card:hover::after { opacity: 1; }
[data-page="topics"] .topic-card .head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 10px;
}
[data-page="topics"] .topic-card .idx {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted-2);
  letter-spacing: 0.08em;
}
[data-page="topics"] .topic-card h3 {
  font-size: 15px; font-weight: 600;
  margin: 2px 0 0;
  letter-spacing: -0.005em;
  /* Titulo: no maximo 2 linhas + "...". overflow-wrap parte palavra gigante. */
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; overflow-wrap: anywhere;
}
[data-page="topics"] .topic-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  margin: 4px 0 0;
  flex: 1;
  /* Descricao: no maximo 3 linhas + "...". flex:1 mantem-se (empurra o meta para
     baixo -> cartoes com a mesma altura). */
  display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden; overflow-wrap: anywhere;
}
[data-page="topics"] .topic-card .meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted-2);
}
[data-page="topics"] .topic-card .meta .right { display: flex; align-items: center; gap: 8px; }
[data-page="topics"] .topic-card .arrow {
  color: var(--primary-2);
  transition: transform .2s;
  display: inline-block;
}
[data-page="topics"] .topic-card:hover .arrow { transform: translateX(3px); }

/* ════════════════════════════════════════════════════════════════════
   PAGE: Topic Details  ([data-page="topic"])
   ════════════════════════════════════════════════════════════════════ */
[data-page="topic"] .detail-main {
  max-width: var(--band);
  margin: 0 auto;
  padding: 24px 28px 80px;
  width: 100%;
  flex: 1;
}

[data-page="topic"] article.topic { min-width: 0; }
[data-page="topic"] article.topic .meta-strip {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin: 14px 0 28px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
[data-page="topic"] article.topic .meta-strip .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary-2); display: inline-block;
  vertical-align: middle; margin: 0 4px 2px 0;
}
[data-page="topic"] article.topic h3 { font-size: 16px; font-weight: 600; margin: 22px 0 8px; }
[data-page="topic"] article.topic p {
  color: var(--muted);
  line-height: 1.65;
  font-size: 15px;
  margin: 0 0 14px;
  text-wrap: pretty;
  white-space: pre-wrap;
}
/* Formatacao do conteudo (editor: # titulo, ## subtitulo). Titulo = 21px;
   subtitulo = 15px (tamanho do texto); ambos negrito (600, como o resto da app)
   e brancos. O texto normal (15px cinza) fica na regra .topic p acima. */
[data-page="topic"] article.topic .tc-title {
  font-size: 21px; font-weight: 600; color: var(--fg);
  letter-spacing: -0.01em; line-height: 1.3;
  margin: 26px 0 10px; text-wrap: balance;
}
[data-page="topic"] article.topic .tc-sub {
  font-size: 15px; font-weight: 600; color: var(--fg);
  line-height: 1.45; margin: 20px 0 6px; text-wrap: balance;
}
/* Primeiro bloco (logo a seguir a meta-strip): menos espaco em cima. */
[data-page="topic"] article.topic .meta-strip + .tc-title,
[data-page="topic"] article.topic .meta-strip + .tc-sub { margin-top: 8px; }
[data-page="topic"] article.topic p strong { color: var(--fg); font-weight: 600; }
[data-page="topic"] article.topic p code, [data-page="topic"] article.topic li code {
  border: 1px solid rgba(var(--accent-rgb), 0.2);
}
[data-page="topic"] article.topic ul { color: var(--muted); padding-left: 22px; line-height: 1.7; margin: 0 0 16px; }
[data-page="topic"] article.topic ul li { margin: 4px 0; }
[data-page="topic"] article.topic ul li::marker { color: rgba(var(--accent-rgb), 0.8); }

[data-page="topic"] pre.code {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  white-space: pre-wrap; word-break: break-word;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: #cbd5e1;
  line-height: 1.55;
  margin: 16px 0;
}

[data-page="topic"] .quiz-cta {
  margin-top: 48px;
  padding: 24px 28px;
  border-radius: 14px;
  background:
    radial-gradient(ellipse 80% 80% at 100% 0%, rgba(var(--accent-rgb), 0.18), transparent 60%),
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.10), rgba(var(--accent-rgb), 0.02));
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  flex-wrap: wrap;
}
[data-page="topic"] .quiz-cta .left { display: flex; gap: 16px; align-items: center; }
[data-page="topic"] .quiz-cta .icon-box {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(var(--accent-rgb), 0.15);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-2);
  flex: 0 0 auto;
}
[data-page="topic"] .quiz-cta h3 { font-size: 18px; font-weight: 600; margin: 0 0 3px; letter-spacing: -0.01em; }
[data-page="topic"] .quiz-cta p { font-size: 13px; color: var(--muted); margin: 0; }


[data-page="topic"] .topic-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-top: 36px;
}
[data-page="topic"] .topic-nav a {
  text-decoration: none; color: inherit;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: background .15s, border-color .15s;
}
[data-page="topic"] .topic-nav a:hover { background: rgba(255, 255, 255, 0.06); border-color: rgba(var(--accent-rgb), 0.3); }
[data-page="topic"] .topic-nav a .lbl {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted-2);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
[data-page="topic"] .topic-nav a .ttl { font-size: 15px; font-weight: 500; }
[data-page="topic"] .topic-nav a.next { text-align: right; }

/* ─── Topic (detalhe) · proteccao de overflow ───────────────────────────
   Pagina de leitura: o conteudo (titulo, descricao, corpo) le-se por inteiro ->
   so overflow-wrap (parte palavra gigante, nao corta). Rotulos (breadcrumb,
   eyebrow, meta-strip) idem. A navegacao ant./seg. corta a 1 linha + "...". */
[data-page="topic"] .page-head .breadcrumb .cur,
[data-page="topic"] .page-head h1,
[data-page="topic"] .page-head .subtitle,
[data-page="topic"] .eyebrow,
[data-page="topic"] article.topic .meta-strip,
[data-page="topic"] article.topic .tc-title,
[data-page="topic"] article.topic .tc-sub,
[data-page="topic"] article.topic h3,
[data-page="topic"] article.topic p { overflow-wrap: anywhere; }
/* Nav anterior/seguinte: titulo a 1 linha + "..." */
[data-page="topic"] .topic-nav a { min-width: 0; }
[data-page="topic"] .topic-nav a .ttl { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ════════════════════════════════════════════════════════════════════
   PAGE: Quiz  ([data-page="quiz"])
   ════════════════════════════════════════════════════════════════════ */
[data-page="quiz"] .quiz-main {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 28px 80px;
  width: 100%;
  flex: 1;
}
/* Breadcrumb do quiz: partilha a coluna do .quiz-main (880px centrado, mesmo
   padding), por isso alinha com o inicio do conteudo — como nas outras paginas.
   Uma linha so, corta com "..." se exceder a largura. */
[data-page="quiz"] .quiz-head { max-width: 880px; margin: 0 auto; padding: 24px 28px 4px; }
[data-page="quiz"] .quiz-head .breadcrumb {
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 0;
}
/* ─── Quiz · proteccao de overflow ──────────────────────────────────────
   Conteudo para ler (enunciado + opcoes) le-se por inteiro -> so overflow-wrap
   (parte palavra gigante dentro da caixa; nao se corta). O titulo do quiz na HUD
   idem. min-width:0 deixa os contentores flex/grid encolher. */
[data-page="quiz"] .mission-hud .mission-title { min-width: 0; }
/* break-all (e nao overflow-wrap): a palavra comeca logo a seguir a "Quiz —" e
   enche a linha, em vez de descer inteira e deixar "Quiz —" sozinho. */
[data-page="quiz"] .mission-hud .mission-title b { word-break: break-all; }
[data-page="quiz"] .q-text { overflow-wrap: anywhere; }
[data-page="quiz"] .option .body { min-width: 0; overflow-wrap: anywhere; }
[data-page="quiz"] .mission-hud {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
  margin: 22px 0;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}
[data-page="quiz"] .mission-hud .mission-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.05em;
}
[data-page="quiz"] .mission-hud .mission-title b {
  color: var(--fg);
  font-weight: 600;
  letter-spacing: 0;
  font-family: "Inter", sans-serif;
  font-size: 15px;
  margin-right: 8px;
}
[data-page="quiz"] .timer {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  color: var(--fg);
  font-weight: 600;
}
[data-page="quiz"] .abort-btn {
  appearance: none;
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--muted);
  padding: 7px 12px;
  border-radius: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .15s, background .15s, border-color .15s;
}
[data-page="quiz"] .abort-btn:hover { color: #fca5a5; border-color: rgba(239, 68, 68, 0.4); }

[data-page="quiz"] .progress-row {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}
[data-page="quiz"] .progress-bar {
  flex: 1;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
[data-page="quiz"] .progress-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 6px rgba(var(--accent-rgb), 0.5);
  transition: width 0.4s ease;
}

[data-page="quiz"] .q-card {
  padding: 28px 30px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 14px;
  position: relative;
}
[data-page="quiz"] .q-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.4), transparent);
}
[data-page="quiz"] .q-text {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
[data-page="quiz"] .q-text .num {
  font-family: "JetBrains Mono", monospace;
  color: rgba(var(--accent-rgb), 0.8);
  margin-right: 12px;
  font-size: 16px;
}
[data-page="quiz"] .options { display: grid; gap: 10px; }
[data-page="quiz"] .option {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: background .15s, border-color .15s, box-shadow .15s;
  text-align: left;
  font-family: inherit;
  color: inherit;
  font-size: 15px;
  line-height: 1.45;
  width: 100%;
}
[data-page="quiz"] .option:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-strong);
}
[data-page="quiz"] .option .label {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  flex: 0 0 auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  transition: background .15s, color .15s, border-color .15s;
}
[data-page="quiz"] .option .body { flex: 1; padding-top: 2px; }
[data-page="quiz"] .option.selected {
  background: rgba(var(--accent-rgb), 0.08);
  border-color: rgba(var(--accent-rgb), 0.5);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.12);
}
[data-page="quiz"] .option.selected .label {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
[data-page="quiz"] .q-nav {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 28px;
  gap: 16px;
}
[data-page="quiz"] .q-status {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}
[data-page="quiz"] .q-status b { color: var(--primary-2); }

/* Modal de confirmacao ao submeter o quiz (mesmo aspeto do cartao de
   confirmacao do admin, mas sobreposto a pagina). */
[data-page="quiz"] .quiz-confirm {
  position: fixed; inset: 0; z-index: 60;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
[data-page="quiz"] .quiz-confirm[hidden] { display: none; }
[data-page="quiz"] .quiz-confirm__backdrop {
  position: absolute; inset: 0;
  background: rgba(3, 6, 16, 0.72);
  animation: adm-fade-in 0.15s ease;
}
[data-page="quiz"] .quiz-confirm__card {
  position: relative; width: 100%; max-width: 460px;
  background: var(--card-solid); border: 1px solid var(--border-strong);
  border-radius: 14px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: adm-modal-in 0.18s ease;
}
[data-page="quiz"] .quiz-confirm__head { display: flex; align-items: center; gap: 14px; padding: 22px 22px 14px; }
[data-page="quiz"] .quiz-confirm__icon {
  width: 38px; height: 38px; flex: 0 0 auto; border-radius: 9px;
  background: rgba(var(--accent-rgb), 0.16); border: 1px solid rgba(var(--accent-rgb), 0.4); color: var(--primary-2);
  display: flex; align-items: center; justify-content: center;
}
[data-page="quiz"] .quiz-confirm__ttl { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; margin: 0; }
[data-page="quiz"] .quiz-confirm__body { padding: 4px 22px 18px; }
[data-page="quiz"] .quiz-confirm__txt { margin: 0 0 10px; font-size: 15px; color: var(--fg); }
[data-page="quiz"] .quiz-confirm__txt b { color: var(--primary-2); }
[data-page="quiz"] .quiz-confirm__hint { font-size: 11px; color: var(--muted-2); font-family: "JetBrains Mono", monospace; letter-spacing: 0.04em; }
[data-page="quiz"] .quiz-confirm__foot {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 14px 22px 20px; border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.012);
}

[data-page="quiz"] .result {
  padding: 36px 32px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
[data-page="quiz"] .result .lbl {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--primary-2);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
[data-page="quiz"] .result h2 {
  font-size: 28px; font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}
[data-page="quiz"] .score-circle {
  width: 180px; height: 180px;
  margin: 0 auto 22px;
  position: relative;
}
[data-page="quiz"] .score-circle svg { transform: rotate(-90deg); width: 100%; height: 100%; }
[data-page="quiz"] .score-circle .track { stroke: rgba(255, 255, 255, 0.08); fill: none; stroke-width: 9; }
[data-page="quiz"] .score-circle .fill {
  fill: none; stroke-width: 9; stroke-linecap: round;
  stroke: var(--primary);
  filter: drop-shadow(0 0 8px rgba(var(--accent-rgb), 0.6));
  transition: stroke-dashoffset 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
[data-page="quiz"] .score-circle .center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
[data-page="quiz"] .score-circle .pct {
  font-size: 44px; font-weight: 600;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
[data-page="quiz"] .score-circle .of {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.08em;
  margin-top: 2px;
}
[data-page="quiz"] .stat-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin: 22px 0;
}
[data-page="quiz"] .stat-tile {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
}
[data-page="quiz"] .stat-tile .k {
  font-size: 10px; letter-spacing: 0.1em;
  color: var(--muted-2); text-transform: uppercase;
  font-family: "JetBrains Mono", monospace;
}
[data-page="quiz"] .stat-tile .v {
  font-size: 18px; font-weight: 600; margin-top: 4px;
  font-variant-numeric: tabular-nums;
}
[data-page="quiz"] .result .actions { display: flex; gap: 10px; justify-content: center; margin-top: 8px; flex-wrap: wrap; }

[data-page="quiz"] .review {
  margin-top: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
[data-page="quiz"] .review-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; color: var(--muted-2);
  letter-spacing: 0.1em; text-transform: uppercase;
}
[data-page="quiz"] .review-head::before { content: "▸ "; color: rgba(var(--accent-rgb), 0.7); }
[data-page="quiz"] .review-item {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}
[data-page="quiz"] .review-item:last-child { border-bottom: 0; }
[data-page="quiz"] .review-item .q { font-size: 15px; font-weight: 500; line-height: 1.4; margin-bottom: 8px; }
[data-page="quiz"] .review-item .q .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px; color: var(--muted-2);
  margin-right: 8px;
}
[data-page="quiz"] .review-item .ans {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
}
[data-page="quiz"] .review-item .ans .lbl { color: var(--muted-2); }
[data-page="quiz"] .review-item .ans .you {
  padding: 2px 7px; border-radius: 4px;
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
}
[data-page="quiz"] .review-item .ans .you.ok { background: rgba(34, 197, 94, 0.1); color: #86efac; }
[data-page="quiz"] .review-item .ans .right {
  padding: 2px 7px; border-radius: 4px;
  background: rgba(34, 197, 94, 0.1); color: #86efac;
}
[data-page="quiz"] .review-item .expl {
  margin-top: 6px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.02);
  border-left: 2px solid rgba(var(--accent-rgb), 0.4);
  border-radius: 0 6px 6px 0;
  font-size: 13px; color: var(--muted);
  line-height: 1.5;
}
/* ─── Result · proteccao de overflow ────────────────────────────────────
   Tudo aqui e conteudo para ler por inteiro (titulo, enunciado, opcoes,
   explicacao) -> overflow-wrap: anywhere parte a palavra gigante dentro da
   caixa. min-width:0 deixa as pilulas flex (.you, .right) encolher; sem isso
   a palavra transbordava em vez de partir. */
[data-page="quiz"] .result h2 { overflow-wrap: anywhere; }
[data-page="quiz"] .review-item .q { overflow-wrap: anywhere; }
[data-page="quiz"] .review-item .ans .you,
[data-page="quiz"] .review-item .ans .right { min-width: 0; max-width: 100%; overflow-wrap: anywhere; }
[data-page="quiz"] .review-item .expl { overflow-wrap: anywhere; }

/* ════════════════════════════════════════════════════════════════════
   PAGE: Subnet Calculator  ([data-page="subnet"])
   ════════════════════════════════════════════════════════════════════ */
[data-page="subnet"] .calc-main {
  max-width: var(--band);
  margin: 0 auto;
  padding: 24px 28px 80px;
  width: 100%;
  flex: 1;
  display: flex; flex-direction: column; gap: 22px;
}
[data-page="subnet"] .input-panel,
[data-page="subnet"] .binary,
[data-page="subnet"] .vlsm {
  padding: 22px 26px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 14px;
  position: relative;
}
[data-page="subnet"] .input-panel::before,
[data-page="subnet"] .binary::before,
[data-page="subnet"] .vlsm::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.4), transparent);
}
[data-page="subnet"] .input-panel .card-head { margin: -22px -26px 18px; }
[data-page="subnet"] .input-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  align-items: end;
}

[data-page="subnet"] .result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
[data-page="subnet"] .res-tile {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.02);
}
[data-page="subnet"] .res-tile .k {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
[data-page="subnet"] .res-tile .v {
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.005em;
  word-break: break-all;
}
[data-page="subnet"] .res-tile .v .muted { color: var(--muted); font-weight: 400; }
[data-page="subnet"] .res-tile.accent .v { color: var(--primary-2); }

[data-page="subnet"] .bin-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 16px; gap: 16px; flex-wrap: wrap;
}
[data-page="subnet"] .bin-head .ttl {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
[data-page="subnet"] .bin-head .ttl::before { content: "▸ "; color: rgba(var(--accent-rgb), 0.7); }
[data-page="subnet"] .bin-head .legend {
  display: flex; gap: 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted-2);
}
[data-page="subnet"] .bin-head .legend .item { display: inline-flex; align-items: center; gap: 6px; }
[data-page="subnet"] .bin-head .legend .sw { width: 10px; height: 10px; border-radius: 2px; }
[data-page="subnet"] .bin-head .legend .sw.net { background: rgba(var(--accent-rgb), 0.55); border: 1px solid rgba(var(--accent-rgb), 0.7); }
[data-page="subnet"] .bin-head .legend .sw.host { background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border); }
[data-page="subnet"] .bin-row {
  display: grid;
  grid-template-columns: 90px 1fr 110px;
  gap: 14px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-family: "JetBrains Mono", monospace;
  min-width: 840px;
}
[data-page="subnet"] .bin-row:last-of-type { border-bottom: 0; }
[data-page="subnet"] .bin-row .lbl {
  font-size: 11px;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
[data-page="subnet"] .bin-row .lbl b {
  display: block; color: var(--fg); font-weight: 600;
  font-size: 13px;
  letter-spacing: 0;
  margin-bottom: 1px;
}
[data-page="subnet"] .octets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
[data-page="subnet"] .octet {
  display: flex; gap: 1px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  padding: 4px;
}
[data-page="subnet"] .bit {
  flex: 1;
  aspect-ratio: 1;
  max-width: 26px;
  min-width: 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  transition: background .15s;
}
[data-page="subnet"] .bit.network {
  background: rgba(var(--accent-rgb), 0.55);
  color: white;
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.7);
}
[data-page="subnet"] .bit.host.on { background: rgba(255, 255, 255, 0.12); color: var(--fg); }
[data-page="subnet"] .bit.host.off { background: rgba(255, 255, 255, 0.03); color: var(--muted-2); }
[data-page="subnet"] .bit.network.off { background: rgba(var(--accent-rgb), 0.15); color: var(--muted); box-shadow: none; }
[data-page="subnet"] .bin-row .decimal {
  text-align: right;
  font-size: 13px;
  color: var(--fg);
  font-weight: 600;
}
[data-page="subnet"] .cidr-marker {
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(var(--accent-rgb), 0.06);
  border: 1px dashed rgba(var(--accent-rgb), 0.3);
  border-radius: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
  display: flex; align-items: center; gap: 10px;
}
[data-page="subnet"] .cidr-marker b { color: var(--primary-2); }

[data-page="subnet"] .vlsm-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px; gap: 12px; flex-wrap: wrap;
}
[data-page="subnet"] .vlsm-head h3 {
  font-size: 16px; font-weight: 600; margin: 0;
  display: flex; align-items: center; gap: 10px;
  letter-spacing: -0.01em;
}
[data-page="subnet"] .vlsm-head h3 .tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  padding: 2px 7px; border-radius: 4px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--primary-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
[data-page="subnet"] .req-list { display: grid; gap: 8px; }
[data-page="subnet"] .req-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 40px;
  gap: 10px;
  align-items: center;
}
/* Esconder spinners do <input type="number"> dos hosts. */
[data-page="subnet"] .req-row input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}
[data-page="subnet"] .req-row input[type="number"]::-webkit-outer-spin-button,
[data-page="subnet"] .req-row input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
[data-page="subnet"] .icon-btn {
  appearance: none;
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color .15s, background .15s, border-color .15s;
}
[data-page="subnet"] .icon-btn:hover { color: var(--fg); background: rgba(255, 255, 255, 0.06); border-color: var(--border-strong); }
[data-page="subnet"] .icon-btn.danger:hover { color: #fca5a5; border-color: rgba(239, 68, 68, 0.4); }
[data-page="subnet"] .vlsm-table {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}
[data-page="subnet"] .vlsm-table .vrow {
  display: grid;
  grid-template-columns: minmax(110px, 1.2fr) 112px 112px 44px 112px 112px minmax(140px, 1.5fr);
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  min-width: 760px;
}
[data-page="subnet"] .vlsm-table .vrow:last-child { border-bottom: 0; }
[data-page="subnet"] .vlsm-table .vrow.head {
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted-2);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 14px;
}
[data-page="subnet"] .vlsm-table .vrow b { color: var(--primary-2); font-weight: 600; }
[data-page="subnet"] .vlsm-table .vrow .nm { font-family: "Inter", sans-serif; font-weight: 500; }
/* Ultima coluna (Enderecos): se o numero for maior que a coluna, quebra em vez de sair da tabela. */
[data-page="subnet"] .vlsm-table .vrow > span:last-child { overflow-wrap: anywhere; }
/* ─── VLSMTree — árvore binária de divisão recursiva ────────────────── */

[data-page="subnet"] .vlsm-tree {
  padding: 22px 26px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 14px;
  position: relative;
}
[data-page="subnet"] .vlsm-tree::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.4), transparent);
}

[data-page="subnet"] .vlsm-tree-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; gap: 12px; flex-wrap: wrap;
}
[data-page="subnet"] .vlsm-tree-head h3 {
  font-size: 16px; font-weight: 600; margin: 0;
  display: flex; align-items: center; gap: 10px;
}
[data-page="subnet"] .vlsm-tree-head h3 .tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  padding: 2px 7px; border-radius: 4px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--primary-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
[data-page="subnet"] .vlsm-tree-head .legend {
  display: flex; align-items: center; gap: 14px;
  font-size: 11px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
}
[data-page="subnet"] .vlsm-tree-head .legend .lg {
  display: inline-flex; align-items: center; gap: 6px;
}
[data-page="subnet"] .vlsm-tree-head .legend .sw {
  display: inline-block; width: 10px; height: 10px; border-radius: 3px; border: 1px solid;
}
[data-page="subnet"] .vlsm-tree-head .legend .sw.alloc {
  background: rgba(34,197,94,0.18); border-color: rgba(34,197,94,0.55);
}
[data-page="subnet"] .vlsm-tree-head .legend .sw.free {
  background: rgba(234,179,8,0.14); border-color: rgba(234,179,8,0.55);
}
[data-page="subnet"] .vlsm-tree-head .legend .sw.split {
  background: rgba(var(--accent-rgb), 0.12); border-color: rgba(var(--accent-rgb), 0.55);
}

[data-page="subnet"] .vlsm-tree-svg-wrap {
  width: 100%;
  overflow-y: hidden;
  padding: 4px 0 2px;
  margin: 0 -2px;
  mask-image: linear-gradient(to right, transparent 0, #000 12px, #000 calc(100% - 12px), transparent 100%);
}
[data-page="subnet"] .vlsm-tree-svg {
  display: block;
  width: 100%;
  height: auto;
}

[data-page="subnet"] .vt-node {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  gap: 4px;
  padding: 9px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: rgba(15, 18, 25, 0.92);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: scale(0.92);
  transform-origin: 50% 50%;
  transition: opacity 280ms ease-out, transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}
[data-page="subnet"] .vt-node.in {
  opacity: 1;
  transform: scale(1);
}
[data-page="subnet"] .vt-node .ip {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  line-height: 1.2;
}
[data-page="subnet"] .vt-node .name {
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  line-height: 1.25;
  min-height: 1em;
}
[data-page="subnet"] .vt-node::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
}

[data-page="subnet"] .vt-node.split {
  border-color: rgba(var(--accent-rgb), 0.45);
  background: linear-gradient(rgba(var(--accent-rgb), 0.05), rgba(var(--accent-rgb), 0.05)), rgba(15,18,25,0.92);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.08), 0 6px 16px -10px rgba(var(--accent-rgb), 0.5);
}
[data-page="subnet"] .vt-node.split::before {
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.7), transparent);
}

[data-page="subnet"] .vt-node.alloc {
  border-color: rgba(34, 197, 94, 0.55);
  background: linear-gradient(rgba(34,197,94,0.08), rgba(34,197,94,0.08)), rgba(15,18,25,0.92);
  box-shadow: 0 0 0 1px rgba(34,197,94,0.10), 0 8px 18px -10px rgba(34,197,94,0.45);
}
[data-page="subnet"] .vt-node.alloc::before {
  background: linear-gradient(90deg, transparent, rgba(134, 239, 172, 0.85), transparent);
}
[data-page="subnet"] .vt-node.alloc .name { color: #86efac; }

[data-page="subnet"] .vt-node.free {
  border-color: rgba(234, 179, 8, 0.55);
  background: linear-gradient(rgba(234,179,8,0.06), rgba(234,179,8,0.06)), rgba(15,18,25,0.92);
  box-shadow: 0 0 0 1px rgba(234,179,8,0.08), 0 6px 16px -10px rgba(234,179,8,0.4);
}
[data-page="subnet"] .vt-node.free::before {
  background: linear-gradient(90deg, transparent, rgba(252,211,77,0.7), transparent);
}
[data-page="subnet"] .vt-node.free .name {
  color: #fcd34d; opacity: 0.85; font-weight: 500; font-style: italic;
}

[data-page="subnet"] .vt-edge {
  fill: none;
  stroke: rgba(var(--accent-rgb), 0.35);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-dasharray: var(--len, 200);
  stroke-dashoffset: var(--len, 200);
  transition: stroke-dashoffset 360ms cubic-bezier(0.4, 0.0, 0.2, 1);
}
[data-page="subnet"] .vt-edge.in { stroke-dashoffset: 0; }

[data-page="subnet"] .vt-foot {
  margin-top: 14px;
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
}
[data-page="subnet"] .vt-foot b { color: var(--primary-2); font-weight: 600; }
[data-page="subnet"] .vt-foot .dot {
  display: inline-block; width: 4px; height: 4px; border-radius: 999px;
  background: var(--primary-2); vertical-align: middle; margin: 0 6px;
}

[data-page="subnet"] .vt-explain {
  margin: 16px 0 0;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-left: 2px solid rgba(var(--accent-rgb), 0.4);
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}
[data-page="subnet"] .vt-explain-intro {
  margin: 0 0 8px;
  color: var(--fg);
  font-weight: 600;
}
[data-page="subnet"] .vt-explain-list {
  margin: 0;
  padding-left: 22px;
  display: flex; flex-direction: column; gap: 8px;
}
[data-page="subnet"] .vt-explain-list li::marker {
  color: rgba(var(--accent-rgb), 0.85);
  font-weight: 600;
}
[data-page="subnet"] .vt-explain strong { color: var(--fg); font-weight: 600; }

/* ════════════════════════════════════════════════════════════════════
   PAGE: Search  ([data-page="search"])
   ════════════════════════════════════════════════════════════════════ */
/* Pesquisa: rodape em baixo (sticky, como as outras paginas) e sem scroll quando
   o conteudo cabe. A pagina enche o espaco disponivel (flex:1) em vez de forcar
   100vh (que empurrava o rodape para baixo da dobra). O estado vazio centra-se
   nesse espaco; os resultados ficam no topo (scroll so se forem muitos). */
.page[data-page="search"] { min-height: auto; flex: 1; }
[data-page="search"] .search-main {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 28px 40px;
  width: 100%;
  display: flex; flex-direction: column;
  flex: 1; min-height: 0;
}
[data-page="search"] .big-search { margin-bottom: 24px; position: relative; }
[data-page="search"] .big-search input {
  width: 100%;
  background: rgba(15, 18, 25, 0.92);
  border: 1px solid var(--border-strong);
  color: var(--fg);
  border-radius: 12px;
  padding: 16px 18px 16px 52px;
  font-size: 18px;
  font-family: "JetBrains Mono", monospace;
  outline: none;
  transition: border-color .15s, background .15s, box-shadow .15s;
}
[data-page="search"] .big-search input:focus {
  border-color: rgba(var(--accent-rgb), 0.6);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.12);
}
[data-page="search"] .big-search svg {
  position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--primary-2);
}
[data-page="search"] .meta-line {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.05em;
  margin-bottom: 22px;
}
[data-page="search"] .meta-line b { color: var(--primary-2); }
[data-page="search"] .results { display: grid; gap: 10px; }
[data-page="search"] .result-item {
  display: block;
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 11px;
  text-decoration: none;
  color: inherit;
  transition: background .15s, border-color .15s, transform .15s;
}
[data-page="search"] .result-item:hover {
  background: rgba(15, 18, 25, 0.75);
  border-color: rgba(var(--accent-rgb), 0.3);
  transform: translateY(-1px);
}
[data-page="search"] .result-item .top {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 6px;
}
[data-page="search"] .result-item .crumb {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; color: var(--muted-2);
}
[data-page="search"] .result-item .ttl {
  font-size: 16px; font-weight: 600;
  letter-spacing: -0.005em;
  margin: 0 0 4px;
}
/* No cartao de topico o titulo vai para a linha do badge (ao lado da seta):
   sem margem, e a encolher (min-width:0) para o overflow-wrap partir dentro da caixa. */
[data-page="search"] .result-item .top .ttl { margin: 0; min-width: 0; }
[data-page="search"] .result-item .ttl mark {
  background: rgba(var(--accent-rgb), 0.22);
  color: var(--primary-2);
  padding: 1px 3px; border-radius: 3px;
  font-weight: 600;
}
[data-page="search"] .result-item .desc {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
}
[data-page="search"] .result-item .desc mark {
  background: rgba(var(--accent-rgb), 0.18);
  color: var(--fg);
  padding: 0 2px; border-radius: 2px;
}
[data-page="search"] .result-item .footer-meta {
  margin-top: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted-2);
  letter-spacing: 0.05em;
  display: flex; gap: 14px; flex-wrap: wrap;
}
[data-page="search"] .result-item .footer-meta .lbl { color: var(--muted-2); margin-right: 4px; }

/* ─── Search · proteccao de overflow ────────────────────────────────────
   Tudo vive na caixa de 980px (.search-main). Uma palavra gigante (sem espacos)
   escaparia dela; overflow-wrap parte-a DENTRO da caixa. Os titulos leem-se por
   inteiro (nao se cortam, para ver o match realçado); a descricao corta a 2
   linhas + "..."; os rotulos (termo, categoria do rodape) so partem.
   min-width:0 deixa os contentores flex encolher, para o corte pegar. */
[data-page="search"] .meta-line { overflow-wrap: anywhere; }
[data-page="search"] .result-item .top { min-width: 0; }
[data-page="search"] .result-item .ttl { overflow-wrap: anywhere; }
[data-page="search"] .result-item .desc {
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; overflow-wrap: anywhere;
}
[data-page="search"] .result-item .footer-meta { min-width: 0; overflow-wrap: anywhere; }
[data-page="search"] .empty {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 40px 28px;
  color: var(--muted);
}
[data-page="search"] .empty .glyph {
  font-family: "JetBrains Mono", monospace;
  font-size: 80px;
  line-height: 1;
  color: var(--muted-2);
  opacity: 0.3;
  margin-bottom: 18px;
}
[data-page="search"] .empty h3 {
  font-size: 18px; font-weight: 500;
  color: var(--fg);
  margin: 0 0 8px;
}
[data-page="search"] .empty p { font-size: 13px; margin: 0; }

/* ════════════════════════════════════════════════════════════════════
   PAGE: Dashboard / My Area  ([data-page="dashboard"])
   ════════════════════════════════════════════════════════════════════ */
[data-page="dashboard"] .session-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}
[data-page="dashboard"] .head-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* my-area: header partilha a largura do .dash (var(--band)) para o
   breadcrumb/titulo/subtitulo alinharem com o inicio dos cartoes. */
[data-page="dashboard"] .page-head { max-width: var(--band); }
/* Breadcrumbs sem pilula (my-area, pesquisa, editar perfil): sozinhos nao centram
   e ficavam 1px abaixo dos que tem pilula. Nudge de -1px para alinhar. */
[data-page="dashboard"] .page-head > .breadcrumb,
[data-page="search"] .page-head > .breadcrumb,
[data-page="edit"] .page-head > .breadcrumb { margin-top: -1px; }
[data-page="dashboard"] .dash {
  max-width: var(--band); margin: 0 auto;
  padding: 24px 28px 80px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
}
[data-page="dashboard"] .col { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
[data-page="dashboard"] .card-body { padding: 18px; }
[data-page="dashboard"] .card-body.tight { padding: 14px 18px; }

[data-page="dashboard"] .op-card { padding: 22px 20px; text-align: center; }
[data-page="dashboard"] .op-avatar {
  width: 88px; height: 88px;
  border-radius: 20px;
  margin: 0 auto 14px;
  background:
    radial-gradient(circle at 30% 25%, rgba(var(--accent-rgb), 0.9), rgba(var(--accent-rgb), 0.3) 60%, rgba(var(--accent-rgb), 0.1)),
    linear-gradient(135deg, #1a2230, #0e1219);
  border: 1px solid var(--border-strong);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.08), 0 12px 40px -10px rgba(var(--accent-rgb), 0.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; font-weight: 600;
  color: white;
  letter-spacing: -0.02em;
  position: relative;
}
[data-page="dashboard"] .op-avatar::after {
  /* Furo: cor solida EXATAMENTE igual a do cartao por tras -- o cartao e
     var(--card) rgba(15,18,25,.65) sobre o fundo #0a0d12, o que da #0d1017.
     Leve sombra interior no topo so para dar ideia de furo. */
  content: ""; position: absolute; right: 10px; bottom: 10px;
  width: 15px; height: 15px; border-radius: 50%;
  background: #0d1017;
  box-shadow: inset 0 2px 3px rgba(0, 0, 0, 0.7);
}
[data-page="dashboard"] .op-name { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
[data-page="dashboard"] .op-email { font-size: 12px; color: var(--muted); margin-top: 3px; font-family: "JetBrains Mono", monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
[data-page="dashboard"] .op-meta {
  margin-top: 16px;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
  display: grid; gap: 8px;
  text-align: left;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
}
[data-page="dashboard"] .op-meta .k { color: var(--muted-2); }
[data-page="dashboard"] .op-meta .v { color: var(--fg); }
[data-page="dashboard"] .op-meta .row { display: flex; justify-content: space-between; gap: 10px; }

[data-page="dashboard"] .kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
[data-page="dashboard"] .kpi {
  position: relative;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
[data-page="dashboard"] .kpi::after {
  content: ""; position: absolute; top: 0; right: 0;
  width: 70px; height: 70px;
  background: radial-gradient(circle at 70% 30%, rgba(var(--accent-rgb), 0.18), transparent 70%);
}
[data-page="dashboard"] .kpi .label {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
[data-page="dashboard"] .kpi .value {
  font-size: 30px; font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
[data-page="dashboard"] .kpi .value .unit { font-size: 15px; color: var(--muted); font-weight: 400; margin-left: 2px; }
[data-page="dashboard"] .kpi .delta {
  margin-top: 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--ok);
  display: inline-flex; align-items: center; gap: 4px;
}
[data-page="dashboard"] .kpi .delta.muted { color: var(--muted-2); }

[data-page="dashboard"] .heatmap {
  display: grid;
  grid-template-columns: repeat(26, 1fr);
  gap: 4px;
  margin-top: 4px;
}
[data-page="dashboard"] .heatmap .cell {
  aspect-ratio: 1;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.04);
}
/* Cor única — célula ativa (visitou pelo menos uma vez nesse dia). */
[data-page="dashboard"] .heatmap .cell[data-v="1"] {
  background: rgba(var(--accent-rgb), 0.7);
  box-shadow: 0 0 6px rgba(var(--accent-rgb), 0.35);
}
[data-page="dashboard"] .heatmap-legend {
  margin-top: 10px;
  display: flex; align-items: center; justify-content: space-between;
  font-family: "JetBrains Mono", monospace; font-size: 10px; color: var(--muted-2);
  letter-spacing: 0.05em; gap: 12px; flex-wrap: wrap;
}
[data-page="dashboard"] .legend-scale { display: inline-flex; align-items: center; gap: 4px; }
[data-page="dashboard"] .legend-scale span:empty { display: inline-block; width: 10px; height: 10px; border-radius: 2px; }

/* Carrossel do "Dominio por categoria": o viewport mostra 4 aneis; o track
   (.mastery) tem todos e desliza com translateX (ver o my_area.js). */
[data-page="dashboard"] .mastery-viewport { overflow: hidden; }
[data-page="dashboard"] .mastery {
  display: flex;
  gap: 14px;
  transition: transform .28s ease;
}
[data-page="dashboard"] .mastery .ring {
  flex: 0 0 calc((100% - 3 * 14px) / 4); /* 4 visiveis + 3 gaps de 14px */
  box-sizing: border-box;
}
/* Setas: uma em cada canto inferior; escondem-se (mantendo o espaco) nos
   extremos, para a outra ficar sempre no seu canto. */
[data-page="dashboard"] .mastery-nav { display: flex; justify-content: space-between; margin-top: 14px; }
[data-page="dashboard"] .mastery-arrow {
  appearance: none;
  width: 34px; height: 34px;
  border: 1px solid var(--border); border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--primary-2);
  font-size: 18px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color .15s, background .15s, border-color .15s;
}
[data-page="dashboard"] .mastery-arrow:hover {
  background: rgba(var(--accent-rgb), 0.1);
  border-color: rgba(var(--accent-rgb), 0.4);
}
[data-page="dashboard"] .mastery-arrow.is-hidden { visibility: hidden; }
[data-page="dashboard"] .ring {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 14px 10px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
}
[data-page="dashboard"] .ring svg { width: 78px; height: 78px; transform: rotate(-90deg); }
[data-page="dashboard"] .ring .track { stroke: rgba(255, 255, 255, 0.07); fill: none; stroke-width: 6; }
[data-page="dashboard"] .ring .fill {
  stroke: var(--primary); fill: none; stroke-width: 6; stroke-linecap: round;
  filter: drop-shadow(0 0 4px rgba(var(--accent-rgb), 0.5));
  transition: stroke-dashoffset 1s ease;
}
[data-page="dashboard"] .ring .ring-wrap { position: relative; display: flex; align-items: center; justify-content: center; }
[data-page="dashboard"] .ring .pct {
  position: absolute;
  font-family: "JetBrains Mono", monospace;
  font-size: 15px; font-weight: 600;
  color: var(--fg);
}
[data-page="dashboard"] .ring .rttl { font-size: 13px; font-weight: 500; max-width: 100%; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
[data-page="dashboard"] .ring .meta { font-family: "JetBrains Mono", monospace; font-size: 10px; color: var(--muted-2); }

[data-page="dashboard"] .log { display: grid; gap: 2px; }
[data-page="dashboard"] .log .entry {
  display: grid;
  grid-template-columns: 110px 16px 1fr auto auto;
  gap: 14px;
  padding: 11px 4px;
  border-bottom: 1px dashed var(--border);
  align-items: center;
  font-size: 13px;
}
[data-page="dashboard"] .log .entry:last-child { border-bottom: 0; }
[data-page="dashboard"] .log .entry:hover { background: rgba(255, 255, 255, 0.02); }
[data-page="dashboard"] .log a.entry { text-decoration: none; color: inherit; cursor: pointer; }
[data-page="dashboard"] .log .ts { font-family: "JetBrains Mono", monospace; font-size: 11px; color: var(--muted-2); }
[data-page="dashboard"] .log .lvl {
  width: 14px; height: 14px; border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-family: monospace; font-size: 9px; font-weight: 700;
  color: var(--bg);
}
[data-page="dashboard"] .log .lvl.super { background: var(--primary-2); }
[data-page="dashboard"] .log .lvl.ok { background: var(--ok); }
[data-page="dashboard"] .log .lvl.warn { background: var(--warn); }
[data-page="dashboard"] .log .lvl.alert { background: #f97316; }
[data-page="dashboard"] .log .lvl.bad { background: var(--bad); }
/* Log: titulo do quiz numa linha, cortado com "...", e "N questoes" fica sempre
   visivel a seguir (flex: o titulo encolhe, o contexto nao). */
[data-page="dashboard"] .log .msg { color: var(--fg); min-width: 0; display: flex; align-items: baseline; }
[data-page="dashboard"] .log .msg .quiz { font-weight: 500; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
[data-page="dashboard"] .log .msg .ctx {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  color: var(--muted-2); margin-left: 6px; flex: 0 0 auto; white-space: nowrap;
}
[data-page="dashboard"] .log .score {
  font-family: "JetBrains Mono", monospace;
  font-weight: 600; font-size: 13px;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
[data-page="dashboard"] .log .pct {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  padding: 3px 7px;
  border-radius: 6px;
  min-width: 50px;
  text-align: center;
}
[data-page="dashboard"] .log .pct.super { background: rgba(59, 130, 246, 0.14); color: #60a5fa; }
[data-page="dashboard"] .log .pct.ok { background: rgba(34, 197, 94, 0.12); color: #86efac; }
[data-page="dashboard"] .log .pct.warn { background: rgba(234, 179, 8, 0.12); color: #fcd34d; }
[data-page="dashboard"] .log .pct.alert { background: rgba(249, 115, 22, 0.12); color: #fb923c; }
[data-page="dashboard"] .log .pct.bad { background: rgba(239, 68, 68, 0.12); color: #fca5a5; }

[data-page="dashboard"] .next-target {
  padding: 18px;
  background: linear-gradient(160deg, rgba(var(--accent-rgb), 0.12), rgba(var(--accent-rgb), 0.02));
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  border-radius: 12px;
}
[data-page="dashboard"] .next-target h3 { margin: 0 0 4px; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
[data-page="dashboard"] .next-target p { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
[data-page="dashboard"] .progress { height: 5px; border-radius: 999px; background: rgba(255, 255, 255, 0.06); overflow: hidden; }
[data-page="dashboard"] .progress > div {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 6px rgba(var(--accent-rgb), 0.5);
}
[data-page="dashboard"] .progress-meta {
  margin-top: 6px;
  display: flex; justify-content: space-between;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px; color: var(--muted-2);
}
[data-page="dashboard"] .log-empty {
  color: var(--muted); font-size: 13px; padding: 8px 0;
}

/* ════════════════════════════════════════════════════════════════════
   PAGE: Edit Profile  ([data-page="edit"])
   ════════════════════════════════════════════════════════════════════ */
[data-page="edit"] .edit-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 28px 80px;
  width: 100%;
  flex: 1;
  display: flex; flex-direction: column; gap: 22px;
}
[data-page="edit"] .acc-card {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 14px;
  position: relative;
}
[data-page="edit"] .acc-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.4), transparent);
}
[data-page="edit"] .acc-avatar {
  width: 72px; height: 72px;
  border-radius: 16px;
  background:
    radial-gradient(circle at 30% 25%, rgba(var(--accent-rgb), 0.9), rgba(var(--accent-rgb), 0.3) 60%, rgba(var(--accent-rgb), 0.1)),
    linear-gradient(135deg, #1a2230, #0e1219);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 600; color: white;
  letter-spacing: -0.02em;
}
/* min-width:0 deixa a coluna do texto (1fr) encolher, para o nome/email cortarem
   com "..." em vez de esticarem o cartao para fora. */
[data-page="edit"] .acc-info { min-width: 0; }
[data-page="edit"] .acc-info .name { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
[data-page="edit"] .acc-info .email {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
[data-page="edit"] .acc-info .meta {
  margin-top: 6px;
  display: flex; gap: 12px; flex-wrap: wrap;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted-2);
  letter-spacing: 0.05em;
}
[data-page="edit"] .acc-info .meta b { color: var(--primary-2); }

[data-page="edit"] .section-card {
  padding: 22px 26px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 14px;
  position: relative;
}
[data-page="edit"] .section-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.4), transparent);
}
[data-page="edit"] .section-card h2 {
  font-size: 18px; font-weight: 600;
  margin: 0 0 4px;
  display: flex; align-items: center; gap: 10px;
  letter-spacing: -0.01em;
}
[data-page="edit"] .section-card .lead {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 18px;
  line-height: 1.5;
}
[data-page="edit"] .section-card .row-of-fields { display: grid; gap: 16px; }
[data-page="edit"] .field .input-wrap { position: relative; display: flex; align-items: center; }
[data-page="edit"] .field .input-wrap .input { padding-right: 40px; }
[data-page="edit"] .field .reveal {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  appearance: none; border: 0; background: transparent; cursor: pointer;
  padding: 6px; border-radius: 6px;
  color: var(--muted-2);
  display: inline-flex;
  transition: color .15s, background .15s;
}
[data-page="edit"] .field .reveal:hover { color: var(--fg); background: rgba(255, 255, 255, 0.05); }
[data-page="edit"] .section-card .actions {
  margin-top: 18px;
  display: flex; gap: 10px; justify-content: flex-end;
  align-items: center; flex-wrap: wrap;
}
[data-page="edit"] .pw-strength { display: grid; gap: 8px; margin-top: 8px; }
[data-page="edit"] .pw-bar { display: flex; gap: 4px; }
[data-page="edit"] .pw-bar span {
  flex: 1; height: 3px; border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
  transition: background .2s;
}
[data-page="edit"] .pw-bar span.s1 { background: var(--bad); }
[data-page="edit"] .pw-bar span.s2 { background: var(--warn); }
[data-page="edit"] .pw-bar span.s3 { background: var(--primary); }
[data-page="edit"] .pw-bar span.s4 { background: var(--ok); }
[data-page="edit"] .pw-checks {
  display: flex; flex-wrap: wrap; gap: 6px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; color: var(--muted-2);
}
[data-page="edit"] .pw-checks .check { display: inline-flex; align-items: center; gap: 4px; transition: color .15s; }
[data-page="edit"] .pw-checks .check.valid { color: #86efac; }
[data-page="edit"] .pw-checks .check .mark { display: inline-block; width: 12px; }

/* ════════════════════════════════════════════════════════════════════
   PAGE: Painel centrado  ([data-page="panel"])
   Partilhado pelas paginas de erro (404/429/500) e pela confirmacao de email.
   As regras so da confirmacao ficam presas a .verify, mais abaixo.
   ════════════════════════════════════════════════════════════════════ */
[data-page="panel"] .panel {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 40px 28px 60px;
  text-align: center;
  position: relative;
}
[data-page="panel"] .panel-card {
  max-width: 640px; width: 100%;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 44px 36px 36px;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 30px 80px -20px rgba(0, 0, 0, 0.6),
    0 0 60px -10px rgba(var(--accent-rgb), 0.2);
}
[data-page="panel"] .panel-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.5), transparent);
}
[data-page="panel"] .panel-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--primary-2);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  margin-bottom: 28px;
}
@keyframes blink404 { 50% { opacity: 0.3; } }
[data-page="panel"] .panel-code {
  font-size: 80px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.9;
  background: linear-gradient(180deg, white, rgba(255, 255, 255, 0.4));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  margin: 0 0 6px;
  font-variant-numeric: tabular-nums;
  position: relative;
}
[data-page="panel"] .panel-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
}
[data-page="panel"] .panel-sub {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
  max-width: 44ch;
  margin: 0 auto 28px;
}
[data-page="panel"] .panel-sub .path { color: var(--primary-2); font-family: "JetBrains Mono", monospace; word-break: break-all; }
[data-page="panel"] .panel-term {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  text-align: left;
  margin: 0 auto 28px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 460px;
}
[data-page="panel"] .panel-term .prompt { color: rgba(var(--accent-rgb), 0.9); }
[data-page="panel"] .panel-term .warn { color: var(--primary-2); }
[data-page="panel"] .panel-term .bad { color: #fca5a5; }
[data-page="panel"] .panel-term .cur::after {
  content: "▊";
  color: var(--primary-2);
  animation: blink404 1s steps(2) infinite;
  margin-left: 2px;
}
[data-page="panel"] .panel-actions {
  display: flex; gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Campo do email da verify (reenvio): o CSS dos inputs vive em [data-page="auth"]
   e nao chega aqui, por isso a caixa saia branca (input do browser). Replica-se o
   mesmo aspeto -- caixa escura, cantos redondos, icone do email dentro a esquerda.
   Quando o email vem do registo, o campo e readonly (mostra, nao se edita). */
[data-page="panel"].verify .input-wrap {
  position: relative; display: inline-flex; align-items: center;
  /* No formulario em coluna nao estica a largura toda: fica com a largura do
     conteudo (a caixa acompanha o email) e centra-se. */
  align-self: center;
  max-width: 100%;
}
/* O email e mostrado como texto (um <span>), nao um campo. O inline-block faz a
   caixa encostar ao conteudo e crescer para a direita; o max-width e o teto --
   ao tocar na borda do cartao corta com "...". Nao se seleciona nem se foca. */
[data-page="panel"].verify .verify-email-value {
  display: inline-block;
  max-width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-strong);
  color: var(--fg);
  border-radius: 9px;
  padding: 8px 12px 8px 36px;
  font-size: 15px;
  font-family: "JetBrains Mono", monospace;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  user-select: none;
  cursor: default;
}
/* Sem email na sessao (ex.: outro browser): mostra o texto-guia esmaecido. */
[data-page="panel"].verify .verify-email-value.is-empty { color: var(--muted-2); }
[data-page="panel"].verify .input-wrap .icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 14px; height: 14px;
  color: var(--muted-2);
  pointer-events: none;
}
[data-page="subnet"] .alert {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid;
  font-size: 13px;
  line-height: 1.5;
}
[data-page="subnet"] .alert.info { background: rgba(var(--accent-rgb), 0.06); border-color: rgba(var(--accent-rgb), 0.25); color: var(--muted); }
[data-page="subnet"] .alert.bad { background: rgba(239, 68, 68, 0.08); border-color: rgba(239, 68, 68, 0.3); color: #fca5a5; }
[data-page="subnet"] .alert b { color: var(--fg); }
[data-page="subnet"] .alert.bad b { color: #fecaca; }
[data-page="subnet"] .alert svg { flex: 0 0 auto; margin-top: 1px; }

[data-page="subnet"] .shortcuts {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin-top: 12px;
}
[data-page="subnet"] .shortcuts .sc-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; color: var(--muted-2); letter-spacing: 0.05em;
}
[data-page="subnet"] .shortcut-chip {
  appearance: none;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-strong);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
[data-page="subnet"] .shortcut-chip:hover {
  color: var(--primary-2);
  border-color: rgba(var(--accent-rgb), 0.5);
  background: rgba(var(--accent-rgb), 0.05);
}

/* ═══════════════════════════════════════════════════════════════════
   Toasts (sonner re-estilizado) — 2 tons (ok/bad) com um dot estatico
   à esquerda.
   ═══════════════════════════════════════════════════════════════════ */
/* Nota: a lib posiciona cada toast (<li>) com position:fixed e le a largura /
   o padding de --width e --padding. Nao definir aqui position nem width nos
   toasts, senao parte-se o empilhamento. */
/* O <ol> container em repouso fica no fluxo (static). Zeramos SO a margem/padding
   default de <ol> (margin 1em ~16px em cima/baixo): senao cria altura fantasma no
   fim do body -> scroll vertical minimo (e, em cascata, um scroll horizontal) nas
   paginas curtas. Nao mexer na position/width: quando um toast dispara, a lib
   torna o container fixed e le os offsets -- se fixassemos aqui, partia o sitio. */
#sonner-toast-container { margin: 0; padding: 0; }

.notify-body { display: flex; align-items: center; gap: 10px; }
/* min-width:0 deixa o texto quebrar em linhas (em vez de esticar o toast).
   overflow-wrap:anywhere parte uma palavra gigante SEM espacos para nao escapar
   do toast -- usa-se "anywhere" (e nao "break-word") porque este reduz o
   min-content do elemento, deixando o flex encolher e a palavra partir mesmo. */
.notify-msg { min-width: 0; overflow-wrap: anywhere; }
.notify-dot {
  flex: 0 0 auto;
  width: 8px; height: 8px; border-radius: 50%;
}
.notify-dot--ok  { background: #22c55e; }
.notify-dot--bad { background: #ef4444; }

   [data-sonner-toast] {
  --width: 360px;
  --padding: 12px 40px 13px 14px; /* 14px à esquerda (o dot está no conteúdo), 40px à direita para o close button */
  --y-offset: 72px; /* header.site tem ~68px (sticky); afasta o toast dele */
  max-width: 100%;
  border-radius: 10px;
  background: rgb(11, 14, 20); /* --card-solid */
  border: 1px solid rgba(255, 255, 255, 0.14); /* --border-strong */
  box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.012) inset;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 13px;
  line-height: 1.45;
  color: var(--fg);
  text-wrap: pretty;
}
/* Close button (X) — top-right, sempre visível; o default da lib é um círculo
   no top-left que só aparece em hover. */
[data-sonner-toast] .sonner-toast-close {
  top: 8px;
  right: 8px;
  left: auto;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: rgba(255, 255, 255, 0.65);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
[data-sonner-toast] .sonner-toast-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--fg);
  border-color: rgba(255, 255, 255, 0.20);
}
[data-sonner-toast] .sonner-toast-close svg {
  width: 12px;
  height: 12px;
}
/* Linha-luz fina no topo */
[data-sonner-toast]::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.10), transparent);
  pointer-events: none;
}
/* ═══════════════════════════════════════════════════════════════════
   Admin — área de administração. Adaptado do handoff (.adm-*),
   scoped a [data-page="admin"]; tokens locais --adm-* para fidelidade.
   ═══════════════════════════════════════════════════════════════════ */
/* Tokens em [data-page="admin"] (não em .adm-root) para que o drawer/modal,
   que são feitos via portal para o body, também os herdem. */
[data-page="admin"] {
  --adm-fg: #fafafa;
  --adm-muted: #a3a3a3;
  --adm-muted-2: #6b7280;
  --adm-border: rgba(255, 255, 255, 0.08);
  --adm-border-st: rgba(255, 255, 255, 0.14);
  --adm-card: rgba(15, 18, 25, 0.88);
  --adm-card-solid: rgb(11, 14, 20);
  --adm-primary: #3b82f6;
  --adm-primary-2: #60a5fa;
  --adm-rgb: 59, 130, 246;
  --adm-ok: #22c55e;
  --adm-pad: 28px;
  padding-bottom: 0;
}
[data-page="admin"] .adm-root {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--band);
  margin: 0 auto;
  color: var(--adm-fg);
  isolation: isolate;
}
[data-page="admin"] .adm-mono { font-family: "JetBrains Mono", ui-monospace, monospace; font-variant-numeric: tabular-nums; }
[data-page="admin"] .adm-mono--dim { color: var(--adm-muted-2); }

/* Header */
[data-page="admin"] .adm-header {
  padding: 32px var(--adm-pad) 0;
}
[data-page="admin"] .adm-header__top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 14px;
}
/* So quando ha pilula (a lista do admin): o breadcrumb centra com ela e a linha
   e puxada para o topo (32px), ao nivel das outras paginas. Os formularios do
   admin NAO tem pilula -> ficam no topo (32px) naturalmente, sem serem puxados. */
[data-page="admin"] .adm-header__top:has(.adm-eyebrow) { margin-top: -5px; }
[data-page="admin"] .adm-header__top:has(.adm-eyebrow) .breadcrumb { margin-bottom: 0; }
/* Formularios do admin (sem pilula): sozinhos ficavam 1px abaixo, tal como os
   outros breadcrumbs sem pilula (my-area/pesquisa/editar). Mesmo nudge -1px. */
[data-page="admin"] .adm-header__top:not(:has(.adm-eyebrow)) .breadcrumb { margin-top: -1px; }
[data-page="admin"] .adm-eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 4px 10px;
  border: 1px solid var(--adm-border-st);
  border-radius: 999px;
  background: rgba(var(--adm-rgb), 0.08);
  color: var(--adm-primary-2);
  font-size: 10px; font-family: "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
  max-width: 260px; min-width: 0; /* limita a pilula: um nome enorme nao empurra o cabecalho */
}
/* O texto ("admin · <nome>") corta com "..." quando nao cabe; o dot fica sempre
   visivel porque esta fora deste span. */
[data-page="admin"] .adm-eyebrow__txt {
  min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
[data-page="admin"] .adm-header__bottom {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; padding-bottom: 22px; flex-wrap: wrap;
}
[data-page="admin"] .adm-title {
  font-size: 28px;
  font-weight: 600; letter-spacing: -0.022em; line-height: 1.05; margin: 0;
}
[data-page="admin"] .adm-sub { margin: 4px 0 0; font-size: 15px; color: var(--adm-muted); max-width: 60ch; }
[data-page="admin"] .adm-statgrid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px; min-width: 360px;
}
[data-page="admin"] .adm-stat {
  padding: 10px 14px; border: 1px solid var(--adm-border);
  border-radius: 10px; background: rgba(255, 255, 255, 0.02);
}
[data-page="admin"] .adm-stat__k {
  font-family: "JetBrains Mono", monospace; font-size: 9px;
  letter-spacing: 0.1em; color: var(--adm-muted-2); text-transform: uppercase;
}
[data-page="admin"] .adm-stat__v {
  font-size: 22px; font-weight: 600; margin-top: 2px;
  letter-spacing: -0.01em; font-variant-numeric: tabular-nums;
}

/* Tabs */
[data-page="admin"] .adm-tabs {
  position: relative; display: flex; gap: 0;
  padding: 0 var(--adm-pad);
  border-bottom: 1px solid var(--adm-border);
}
[data-page="admin"] .adm-tab {
  appearance: none; border: 0; background: transparent;
  color: var(--adm-muted); text-decoration: none;
  padding: 14px 18px 13px;
  font-family: inherit; font-size: 13px; font-weight: 500;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  white-space: nowrap; transition: color .15s, border-color .15s;
}
[data-page="admin"] .adm-tab:hover { color: var(--adm-fg); }
[data-page="admin"] .adm-tab.is-active { color: var(--adm-primary-2); border-bottom-color: var(--adm-primary); }
[data-page="admin"] .adm-tab__count {
  font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.04em;
  padding: 2px 6px; border-radius: 5px;
  background: rgba(255, 255, 255, 0.05); color: var(--adm-muted-2);
}
[data-page="admin"] .adm-tab.is-active .adm-tab__count { background: rgba(var(--adm-rgb), 0.16); color: var(--adm-primary-2); }

/* Main / Toolbar */
[data-page="admin"] .adm-main { padding: 24px var(--adm-pad) 80px; }
[data-page="admin"] .adm-toolbar {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-bottom: 16px; flex-wrap: wrap;
}
[data-page="admin"] .adm-toolbar__left { display: flex; flex-direction: column; gap: 12px; min-width: 0; flex: 1 1 auto; }
[data-page="admin"] .adm-toolbar__h {
  display: inline-flex; align-items: baseline; gap: 8px;
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--adm-muted-2);
}
[data-page="admin"] .adm-toolbar__caret { color: rgba(var(--adm-rgb), 0.85); }
[data-page="admin"] .adm-toolbar__title { color: var(--adm-fg); }
[data-page="admin"] .adm-toolbar__count { color: rgba(var(--adm-rgb), 0.7); }
[data-page="admin"] .adm-toolbar__right { display: flex; gap: 8px; align-items: center; flex: 0 0 auto; }
[data-page="admin"] .adm-search { position: relative; display: inline-flex; align-items: center; }
[data-page="admin"] .adm-search svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--adm-muted-2); }
[data-page="admin"] .adm-search input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--adm-border);
  color: var(--adm-fg); border-radius: 9px;
  padding: 8px 12px 8px 30px;
  font-size: 12px; font-family: "JetBrains Mono", monospace;
  outline: none; width: 240px; transition: border-color .15s, background .15s;
}
[data-page="admin"] .adm-search input:focus { border-color: rgba(var(--adm-rgb), 0.5); background: rgba(255, 255, 255, 0.06); }

/* Buttons */
[data-page="admin"] .adm-btn {
  appearance: none; border: 0;
  display: inline-flex; align-items: center; gap: 7px;
  font-family: inherit; font-weight: 500; font-size: 13px;
  padding: 9px 14px; border-radius: 9px; cursor: pointer;
  color: var(--adm-fg); text-decoration: none;
  transition: transform .1s, background .15s, border-color .15s;
}
[data-page="admin"] .adm-btn:active { transform: translateY(1px); }
[data-page="admin"] .adm-btn:disabled { opacity: 0.45; }
[data-page="admin"] .adm-btn--primary {
  background: var(--adm-primary); color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 6px 22px -8px rgba(var(--adm-rgb), 0.7);
}
[data-page="admin"] .adm-btn--primary:hover:not(:disabled) { background: color-mix(in oklab, var(--adm-primary) 90%, white); }
[data-page="admin"] .adm-btn--ghost { background: rgba(255, 255, 255, 0.04); border: 1px solid var(--adm-border); color: var(--adm-fg); }
[data-page="admin"] .adm-btn--ghost:hover:not(:disabled) { background: rgba(255, 255, 255, 0.08); border-color: var(--adm-border-st); }
[data-page="admin"] .adm-btn--danger { background: rgba(239, 68, 68, 0.16); border: 1px solid rgba(239, 68, 68, 0.5); color: #fca5a5; }
[data-page="admin"] .adm-btn--danger:hover:not(:disabled) { background: rgba(239, 68, 68, 0.24); color: #fecaca; }
[data-page="admin"] .adm-btn--warn { background: rgba(234, 179, 8, 0.16); border: 1px solid rgba(234, 179, 8, 0.5); color: #fcd34d; }
[data-page="admin"] .adm-btn--warn:hover:not(:disabled) { background: rgba(234, 179, 8, 0.24); color: #fde68a; }
[data-page="admin"] .adm-iconbtn {
  appearance: none; width: 30px; height: 30px; border-radius: 8px;
  border: 1px solid var(--adm-border); background: rgba(255, 255, 255, 0.03);
  color: var(--adm-muted); text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; transition: color .15s, background .15s, border-color .15s;
}
[data-page="admin"] .adm-iconbtn:hover:not(:disabled) { color: var(--adm-fg); background: rgba(255, 255, 255, 0.07); border-color: var(--adm-border-st); }
[data-page="admin"] .adm-iconbtn:disabled { opacity: 0.35; }
[data-page="admin"] .adm-iconbtn--danger:hover:not(:disabled) { color: #fca5a5; border-color: rgba(239, 68, 68, 0.4); background: rgba(239, 68, 68, 0.1); }
[data-page="admin"] .adm-rowact { display: inline-flex; gap: 6px; }

/* List / table */
[data-page="admin"] .adm-list {
  border: 1px solid var(--adm-border); border-radius: 12px;
  background: var(--adm-card);
  overflow: hidden;
}
[data-page="admin"] .adm-row {
  display: grid; align-items: center; gap: 14px;
  padding: 12px 16px; border-bottom: 1px solid var(--adm-border);
}
[data-page="admin"] .adm-row:last-child { border-bottom: 0; }
[data-page="admin"] .adm-row--head {
  background: rgba(255, 255, 255, 0.025);
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--adm-muted-2); padding: 10px 16px;
}
[data-page="admin"] .adm-row:not(.adm-row--head):hover { background: rgba(255, 255, 255, 0.025); }
[data-page="admin"] .adm-row:has(.adm-col--user) { grid-template-columns: 2.4fr 70px 160px 110px 110px; }
[data-page="admin"] .adm-col--user .adm-col--role,
[data-page="admin"] .adm-row:has(.adm-col--user) .adm-col--role {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
}
[data-page="admin"] .adm-row:has(.adm-col--user) .adm-col--role .adm-badge {
  display: inline-flex; align-items: center; gap: 4px;
}
/* min-width:0 deixa as colunas (fr) encolher em vez de crescer com o conteudo;
   sem isto, uma palavra gigante estica a coluna e rebenta a tabela. */
[data-page="admin"] .adm-col { min-width: 0; }
/* Titulo/nome/quiz numa so linha, cortado com "..." quando nao cabe na coluna. */
[data-page="admin"] .adm-name { font-weight: 500; font-size: 15px; letter-spacing: -0.005em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
[data-page="admin"] .adm-pill {
  display: inline-block; max-width: 100%; vertical-align: middle;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; letter-spacing: 0.02em; padding: 3px 9px;
  border-radius: 6px; border: 1px solid var(--adm-border);
  background: rgba(255, 255, 255, 0.04); color: var(--adm-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
[data-page="admin"] .adm-user { display: flex; align-items: center; gap: 12px; min-width: 0; }
[data-page="admin"] .adm-user__av {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(var(--adm-rgb), 0.32), rgba(var(--adm-rgb), 0.1));
  border: 1px solid var(--adm-border-st);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 12px; color: var(--adm-primary-2); letter-spacing: 0.02em;
}
[data-page="admin"] .adm-user__txt { min-width: 0; }
[data-page="admin"] .adm-user__name { font-weight: 500; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
[data-page="admin"] .adm-user__me { font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.04em; color: var(--adm-muted-2); margin-left: 6px; }
[data-page="admin"] .adm-user__email {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  color: var(--adm-muted-2); letter-spacing: 0.01em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
[data-page="admin"] .adm-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 8px; border-radius: 999px;
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.05em; text-transform: uppercase; white-space: nowrap;
}
[data-page="admin"] .adm-badge--ok { background: rgba(34, 197, 94, 0.12); color: #86efac; border: 1px solid rgba(34, 197, 94, 0.3); }
[data-page="admin"] .adm-badge--neutral { background: rgba(255, 255, 255, 0.05); color: var(--adm-muted); border: 1px solid var(--adm-border); }
[data-page="admin"] .adm-badge--primary { background: rgba(var(--adm-rgb), 0.13); color: var(--adm-primary-2); border: 1px solid rgba(var(--adm-rgb), 0.35); }
@keyframes adm-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes adm-modal-in { from { transform: translateY(8px) scale(0.98); opacity: 0.7; } to { transform: none; opacity: 1; } }
[data-page="admin"] .adm-modal__head { display: flex; align-items: center; gap: 14px; padding: 22px 22px 14px; }
[data-page="admin"] .adm-modal__icon {
  width: 38px; height: 38px; flex: 0 0 auto; border-radius: 9px;
  background: rgba(239, 68, 68, 0.16); border: 1px solid rgba(239, 68, 68, 0.4); color: #fca5a5;
  display: flex; align-items: center; justify-content: center;
}
[data-page="admin"] .adm-modal--primary .adm-modal__icon { background: rgba(var(--adm-rgb), 0.16); border-color: rgba(var(--adm-rgb), 0.4); color: var(--adm-primary-2); }
[data-page="admin"] .adm-modal--warn .adm-modal__icon { background: rgba(234, 179, 8, 0.16); border-color: rgba(234, 179, 8, 0.4); color: #fcd34d; }
[data-page="admin"] .adm-modal__ttl { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; margin: 0; }
[data-page="admin"] .adm-modal__body { padding: 4px 22px 18px; }
[data-page="admin"] .adm-modal__target {
  border: 1px solid var(--adm-border); border-radius: 9px;
  padding: 10px 12px; background: rgba(255, 255, 255, 0.02); margin-bottom: 12px;
}
[data-page="admin"] .adm-modal__targetk { font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--adm-muted-2); }
[data-page="admin"] .adm-modal__targetv { font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--adm-fg); margin-top: 2px; word-break: break-all; }
[data-page="admin"] .adm-modal__cascade {
  border: 1px dashed rgba(239, 68, 68, 0.32); border-radius: 9px;
  padding: 10px 12px; background: rgba(239, 68, 68, 0.04); margin-bottom: 12px;
}
[data-page="admin"] .adm-modal__cascadek { font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: #fca5a5; margin-bottom: 6px; }
[data-page="admin"] .adm-modal__cascade ul { margin: 0; padding: 0; list-style: none; }
[data-page="admin"] .adm-modal__cascade li {
  display: flex; gap: 8px; font-size: 12px; color: var(--adm-muted);
  padding: 3px 0; font-family: "JetBrains Mono", monospace; letter-spacing: 0.01em;
}
[data-page="admin"] .adm-modal__bullet { color: rgba(239, 68, 68, 0.85); flex: 0 0 auto; }
[data-page="admin"] .adm-modal__hint { font-size: 11px; color: var(--adm-muted-2); font-family: "JetBrains Mono", monospace; letter-spacing: 0.04em; }
[data-page="admin"] .adm-modal__foot {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 14px 22px 20px; border-top: 1px solid var(--adm-border);
  background: rgba(255, 255, 255, 0.012);
}

/* ─── Admin · Categorias (lista) ─────────────────────────────────── */
[data-page="admin"] .adm-list--cats .adm-row { grid-template-columns: 48px 1.4fr 90px 110px; }
[data-page="admin"] .adm-name__id {
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  color: var(--adm-muted-2); letter-spacing: 0.04em; margin-top: 1px;
}
[data-page="admin"] .adm-col--n .adm-mono { font-size: 13px; }
@keyframes adm-slide-in { from { transform: translateX(20px); opacity: 0.6; } to { transform: none; opacity: 1; } }
@keyframes adm-slide-up { from { transform: translateY(20px); opacity: 0.6; } to { transform: none; opacity: 1; } }

/* ─── Admin · Campos de formulário ──────────────────────────────── */
[data-page="admin"] .adm-monolabel {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 10px;
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.08em; color: var(--adm-muted-2);
  text-transform: uppercase; margin-bottom: 6px;
}
[data-page="admin"] .adm-monolabel__hint { font-size: 10px; text-transform: none; letter-spacing: 0.02em; opacity: 0.7; }
[data-page="admin"] .adm-field { margin-bottom: 14px; }
[data-page="admin"] .adm-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--adm-border-st);
  color: var(--adm-fg); border-radius: 9px;
  padding: 10px 12px; font-size: 15px; outline: none;
  font-family: inherit; resize: none;
  transition: border-color .15s, background .15s, box-shadow .15s;
}
[data-page="admin"] .adm-input--mono { font-family: "JetBrains Mono", monospace; font-size: 13px; }
[data-page="admin"] .adm-input--num { width: 120px; }
[data-page="admin"] .adm-input:focus {
  border-color: rgba(var(--adm-rgb), 0.7);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(var(--adm-rgb), 0.15);
}
/* Stepper "so setinhas": o mostrador nao se escreve nem se foca (readonly +
   tabindex=-1 + pointer-events:none); so os botoes ▲▼ mudam o valor. */
[data-page="admin"] .adm-stepper { position: relative; width: 120px; }
[data-page="admin"] .adm-stepper__val {
  width: 100%;
  padding-right: 30px; /* espaco para os botoes a direita */
  cursor: default;
  user-select: none;
  pointer-events: none; /* nao recebe clique nem selecao de texto */
}
[data-page="admin"] .adm-stepper__btns {
  position: absolute;
  top: 1px; right: 1px; bottom: 1px;
  width: 26px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--adm-border-st);
}
[data-page="admin"] .adm-stepper__btn {
  flex: 1;
  appearance: none; border: 0; background: transparent;
  color: var(--adm-muted);
  font-size: 9px; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color .12s, background .12s;
}
[data-page="admin"] .adm-stepper__btn:first-child { border-radius: 0 8px 0 0; }
[data-page="admin"] .adm-stepper__btn:last-child { border-radius: 0 0 8px 0; }
[data-page="admin"] .adm-stepper__btn:hover { color: var(--adm-fg); background: rgba(255, 255, 255, 0.06); }
[data-page="admin"] .adm-stepper__btn:active { background: rgba(var(--adm-rgb), 0.15); }
/* A mensagem de erro (.adm-field__err) esta no fim do ficheiro. */
/* Mostrada no lugar do resto do formulario quando falta o pre-requisito (uma
   categoria para o topico, um topico para o quiz). */
[data-page="admin"] .adm-emptyform {
  margin: 4px 0 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--adm-muted-2);
}
/* Areas de texto do admin (descricao e conteudo do topico). */
[data-page="admin"] textarea.adm-textarea {
  width: 100%;
  min-height: 56px;
  resize: vertical;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  line-height: 1.55;
}
/* Legenda de formatacao do conteudo do topico (# titulo, ## subtitulo). */
[data-page="admin"] .adm-fmt-help {
  margin-top: 8px;
  border: 1px solid var(--adm-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  padding: 10px 12px;
  font-size: 12px;
}
[data-page="admin"] .adm-fmt-help__ttl {
  display: block; margin-bottom: 6px;
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--adm-muted-2);
}
[data-page="admin"] .adm-fmt-help ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
[data-page="admin"] .adm-fmt-help li { color: var(--adm-muted); }
[data-page="admin"] .adm-fmt-help code {
  background: rgba(var(--adm-rgb), 0.12); color: var(--adm-primary-2);
  margin-right: 4px;
}
[data-page="admin"] .adm-fmt-help b { color: var(--adm-fg); font-weight: 600; }
[data-page="admin"] select.adm-input {
  appearance: none;
  /* popup nativo em tema escuro (senão fica branco/ilegível) */
  color-scheme: dark;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='1 1 5 5 9 1'/></svg>");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px;
}
[data-page="admin"] select.adm-input option {
  background: var(--adm-card-solid);
  color: var(--adm-fg);
}
[data-page="admin"] .adm-formact {
  display: flex; gap: 10px; justify-content: flex-end;
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--adm-border);
}

/* Cartoes de formulario e de confirmacao do admin (paginas proprias, em vez
   do drawer/modal do original). Reutilizam as classes internas ja
   estilizadas (adm-field, adm-modal__*); so precisam de uma caixa. */
[data-page="admin"] .adm-formcard,
[data-page="admin"] .adm-confirmcard {
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
[data-page="admin"] .adm-formcard { width: 100%; }
[data-page="admin"] .adm-confirmcard { max-width: 640px; margin: 0 auto; }
/* Confirmations: header (breadcrumb) e main partilham a mesma coluna centrada
   do cartao (640px + padding), para o breadcrumb alinhar com o inicio do
   conteudo — como nas outras paginas. */
[data-page="admin"] .adm-root--confirm .adm-header,
[data-page="admin"] .adm-root--confirm .adm-main {
  max-width: calc(640px + var(--adm-pad) * 2);
  margin-left: auto; margin-right: auto;
}
[data-page="admin"] .adm-formcard .adm-formact,
[data-page="admin"] .adm-confirmcard .adm-modal__foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}

/* ─── Admin · Tópicos (lista + chips de categoria) ───────────────── */
[data-page="admin"] .adm-list--topics .adm-row { grid-template-columns: 48px 2.2fr 1.4fr 80px 110px; }
[data-page="admin"] .adm-name__desc {
  font-size: 12px; color: var(--adm-muted); margin-top: 1px; line-height: 1.4;
  /* Descricao: no maximo 2 linhas, cortada com "..." no fim (line-clamp). O
     overflow-wrap:anywhere parte uma palavra gigante para caber nas 2 linhas. */
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; overflow-wrap: anywhere;
}

/* ─── Admin · Quizzes (lista + editor de perguntas) ──────────────── */
[data-page="admin"] .adm-list--quizzes .adm-row { grid-template-columns: 1.6fr 1.8fr 130px 110px; }
[data-page="admin"] .adm-col--qcount { display: inline-flex; align-items: baseline; gap: 6px; }
[data-page="admin"] .adm-col--qcount .adm-mono:first-child { font-size: 15px; color: var(--adm-fg); }
[data-page="admin"] .adm-col--qcount .adm-mono--dim { font-size: 10px; letter-spacing: 0.04em; }

[data-page="admin"] .adm-qsec { margin-top: 6px; }
[data-page="admin"] .adm-qsec__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 12px; margin-bottom: 10px;
}
[data-page="admin"] .adm-btn--sm { padding: 6px 10px; font-size: 11px; border-radius: 7px; }
[data-page="admin"] .adm-iconbtn--sm { width: 26px; height: 26px; border-radius: 6px; }
[data-page="admin"] .adm-qlimits {
  display: flex; flex-wrap: wrap; gap: 6px 16px;
  margin-bottom: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px; letter-spacing: 0.02em;
  color: var(--adm-muted-2); opacity: 0.7;
}
[data-page="admin"] .adm-qlist { display: flex; flex-direction: column; gap: 10px; }
[data-page="admin"] .adm-qcard {
  border: 1px solid var(--adm-border);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px; padding: 14px;
  display: flex; flex-direction: column; gap: 10px;
}
[data-page="admin"] .adm-qcard__head { display: flex; justify-content: space-between; align-items: center; }
[data-page="admin"] .adm-qcard__num {
  font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.08em;
  color: rgba(var(--adm-rgb), 0.85);
  padding: 3px 8px; border-radius: 6px;
  background: rgba(var(--adm-rgb), 0.1); border: 1px solid rgba(var(--adm-rgb), 0.25);
}
[data-page="admin"] .adm-qcard__nav { display: inline-flex; gap: 4px; }
[data-page="admin"] .adm-qopts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
[data-page="admin"] .adm-qopt {
  display: flex; align-items: center; gap: 8px;
  padding: 4px; border: 1px solid var(--adm-border);
  border-radius: 8px; background: rgba(255, 255, 255, 0.015); cursor: pointer;
}
[data-page="admin"] .adm-qopt.is-correct {
  border-color: rgba(34, 197, 94, 0.45); background: rgba(34, 197, 94, 0.06);
}
[data-page="admin"] .adm-qopt input[type="radio"] { accent-color: var(--adm-ok); margin: 0 4px; flex: 0 0 auto; }
[data-page="admin"] .adm-qopt__mark {
  flex: 0 0 auto;
  width: 22px; height: 22px; border-radius: 5px;
  background: rgba(255, 255, 255, 0.06); color: var(--adm-muted-2);
  display: inline-flex; align-items: center; justify-content: center;
}
[data-page="admin"] .adm-qopt.is-correct .adm-qopt__mark { background: rgba(34, 197, 94, 0.18); color: #86efac; }
[data-page="admin"] .adm-qopt__tag {
  flex: 0 0 auto;
  font-family: "JetBrains Mono", monospace; font-size: 9px;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.05); color: var(--adm-muted-2);
}
[data-page="admin"] .adm-qopt.is-correct .adm-qopt__tag {
  background: rgba(34, 197, 94, 0.14); color: #86efac;
}

/* ═══════════════════════════════════════════════════════════════════
   Scrollbars — estilo único (escuro/azul, fino, moderno) em TUDO:
   vertical, horizontal, textareas, tabelas, drawers, modais, página.
   (Os admin-tabs escondem a sua de propósito — regra mais específica.)
   ═══════════════════════════════════════════════════════════════════ */
* {
  scrollbar-width: thin;
  scrollbar-color: #102e52 transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: #102e52;
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover {
  background: #1b4a7e;
  background-clip: padding-box;
}
*::-webkit-scrollbar-corner { background: transparent; }

/* ════════════════════════════════════════════════════════════════════
   PAGE: Notebook  ([data-page="notebook"])
   ════════════════════════════════════════════════════════════════════ */
[data-page="notebook"] {
  max-width: var(--band); margin: 0 auto; padding: 32px 28px 80px;
}
/* O wrapper [data-page] já dá max-width + padding lateral; o .page-head
   global voltaria a aplicar os seus → hero ficava indentado a mais que as
   secções. Neutraliza a caixa própria do .page-head só nesta página. */
[data-page="notebook"] .page-head {
  max-width: none; width: auto; margin: 0; padding: 0;
}
[data-page="notebook"] .accent { color: var(--primary-2); }

[data-page="notebook"] .rt-meta {
  display: flex; flex-wrap: wrap; gap: 14px 22px;
  margin-top: 18px; font-family: "JetBrains Mono", monospace; font-size: 11px;
  color: var(--muted); letter-spacing: 0.02em;
}
[data-page="notebook"] .rt-meta .item {
  display: inline-flex; align-items: center; gap: 7px;
}
[data-page="notebook"] .rt-meta .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--primary-2);
}

/* Tabs do Caderno (VLSM / ARQ / Redes sem fio) — mesmo estilo
   dos tabs do admin: planos, indicador de sublinhado, sem caixa com borda. */
[data-page="notebook"] .rt-tabs {
  position: relative; display: flex; gap: 0;
  margin: 36px 0 24px;
  border-bottom: 1px solid var(--border);
}
[data-page="notebook"] .rt-tab {
  appearance: none; border: 0; background: transparent;
  color: var(--muted);
  padding: 14px 18px 13px;
  font-family: "Inter", sans-serif; font-size: 13px; font-weight: 500;
  text-decoration: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  white-space: nowrap; transition: color .15s, border-color .15s;
}
[data-page="notebook"] .rt-tab:hover { color: var(--fg); }
[data-page="notebook"] .rt-tab.is-active {
  color: var(--primary-2); border-bottom-color: var(--primary);
}
[data-page="notebook"] .rt-tab .n {
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.04em;
  padding: 2px 6px; border-radius: 5px;
  background: rgba(255, 255, 255, 0.05); color: var(--muted-2);
}
[data-page="notebook"] .rt-tab.is-active .n {
  background: rgba(var(--accent-rgb), 0.16); color: var(--primary-2);
}

[data-page="notebook"] .rt-main { display: grid; gap: 36px; }
/* min-width: 0: guard standard que impede conteudo interno largo de esticar o
   grid alem do container. No layout fixo de 1280 o inspetor (~555px) ja cabe a
   tabela mais larga (routing, ~480px), por isso as tabelas nao precisam de
   scroll interno -- mas o min-width:0 fica como guarda barato e standard. */
[data-page="notebook"] .rt-main > * { min-width: 0; }
[data-page="notebook"] .inspector { min-width: 0; }
[data-page="notebook"] .insp-section { min-width: 0; }

/* ─── Section head shared (Notebook + Calculadora) ─── */
[data-page="notebook"] .rt-sec-head {
  margin-bottom: 20px;
}
[data-page="notebook"] .rt-sec-head .num,
[data-page="subnet"] .rt-sec-head .num {
  display: inline-flex; align-items: baseline; gap: 7px;
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg);
  margin-bottom: 10px;
}
[data-page="notebook"] .rt-sec-head .num::before,
[data-page="subnet"] .rt-sec-head .num::before {
  content: "▸"; color: rgba(var(--accent-rgb), 0.85);
}
[data-page="notebook"] .rt-sec-head .num .c,
[data-page="subnet"] .rt-sec-head .num .c {
  color: rgba(var(--accent-rgb), 0.7);
}
[data-page="notebook"] .rt-sec-head h2,
[data-page="subnet"] .rt-sec-head h2 {
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.015em; margin: 0; line-height: 1.15;
}
[data-page="notebook"] .rt-sec-head .lede,
[data-page="subnet"] .rt-sec-head .lede {
  color: var(--muted); font-size: 15px; line-height: 1.55;
  margin: 8px 0 0; max-width: 75ch;
}

/* Subnet calculator: cada <section> é um container flex que estilha
   header + blocos de conteúdo com o mesmo gap do calc-main. */
[data-page="subnet"] .calc-main > section {
  display: flex; flex-direction: column; gap: 22px;
}
/* Resultados da calculadora (contentor #calc-results criado por JS, que o
   original nao tinha): mesmo espacamento que o .calc-main da aos filhos
   diretos, e o mesmo dentro de cada seccao. */
[data-page="subnet"] #calc-results { display: flex; flex-direction: column; gap: 22px; }
[data-page="subnet"] #calc-results > section { display: flex; flex-direction: column; gap: 22px; }
/* ─── Exercícios P — toggle de notação (ACKᵢ₊₁ vs ACKᵢ) ─────────────── */
[data-page="notebook"] .rt-notation-toggle {
  display: inline-flex; gap: 4px;
  margin: 14px 0 12px;
  padding: 4px;
  background: rgba(15, 18, 25, 0.55);
  border: 1px solid var(--border);
  border-radius: 10px;
}
[data-page="notebook"] .rt-notation-opt {
  appearance: none;
  display: inline-flex; align-items: center;
  padding: 8px 14px;
  background: transparent; border: 0; border-radius: 6px;
  color: var(--muted); cursor: pointer;
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  line-height: 1.2;
  transition: background .15s, color .15s;
}
[data-page="notebook"] .rt-notation-opt:hover { color: var(--fg); }
[data-page="notebook"] .rt-notation-opt.is-active {
  background: rgba(var(--accent-rgb), 0.15);
  color: var(--fg);
}

/* ─── Exercícios P — painel de cenário ──────────────────────────────── */
[data-page="notebook"] .rt-scen-panel {
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  position: relative;
  margin-top: 16px;
}
[data-page="notebook"] .rt-scen-panel::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.5), transparent);
}
[data-page="notebook"] .rt-scen-section + .rt-scen-redo {
  margin-top: 28px; padding-top: 24px;
  border-top: 1px dashed rgba(var(--accent-rgb), 0.20);
}
[data-page="notebook"] .rt-scen-config {
  display: inline-block;
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(var(--accent-rgb), 0.95);
  background: rgba(var(--accent-rgb), 0.10);
  border: 1px solid rgba(var(--accent-rgb), 0.30);
  padding: 4px 10px; border-radius: 999px;
  margin-bottom: 12px;
}
[data-page="notebook"] .rt-scen-enun {
  font-size: 13px; color: var(--muted); line-height: 1.6;
  margin: 0 0 16px;
}
[data-page="notebook"] .rt-scen-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 22px;
  align-items: start;
}
[data-page="notebook"] .rt-scen-diagram { display: flex; justify-content: center; }

[data-page="notebook"] .rt-scen-events-head {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(var(--accent-rgb), 0.85);
  margin-bottom: 8px;
}
[data-page="notebook"] .rt-scen-events-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 6px;
  counter-reset: ev;
}
[data-page="notebook"] .rt-scen-events-list li {
  counter-increment: ev;
  position: relative;
  padding: 6px 10px 6px 32px;
  font-size: 12px; line-height: 1.55; color: var(--muted);
  background: rgba(255, 255, 255, 0.015);
  border-left: 2px solid rgba(var(--accent-rgb), 0.35);
  border-radius: 0 6px 6px 0;
}
[data-page="notebook"] .rt-scen-events-list li .evt { margin-bottom: 2px; }
[data-page="notebook"] .rt-scen-events-list li .state {
  font-size: 10px; color: var(--muted-2);
  background: rgba(0, 0, 0, 0.25);
  padding: 3px 7px; border-radius: 4px;
  display: inline-block; margin-top: 2px;
  letter-spacing: 0.02em;
}
[data-page="notebook"] .rt-scen-events-list li::before {
  content: counter(ev, decimal-leading-zero);
  position: absolute; left: 8px; top: 6px;
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  color: rgba(var(--accent-rgb), 0.75);
}
[data-page="notebook"] .rt-scen-events-list li strong { color: var(--fg); font-weight: 600; }

/* ─── Bloco "redesenha" + olho ──────────────────────────────────────── */
[data-page="notebook"] .rt-scen-redo-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
[data-page="notebook"] .rt-scen-redo-head .lbl {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(var(--accent-rgb), 0.85);
}
[data-page="notebook"] .rt-scen-eye {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(10, 13, 18, 0.7);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
[data-page="notebook"] .rt-scen-eye:hover {
  color: var(--fg);
  border-color: rgba(var(--accent-rgb), 0.4);
  background: rgba(10, 13, 18, 0.88);
}
[data-page="notebook"] .rt-scen-solution {
  margin-top: 16px;
  padding: 18px;
  border-radius: 10px;
  background: rgba(var(--accent-rgb), 0.04);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
}

/* ─── Exercícios P — diagrama de troca de tramas (FrameExchange) ────── */
[data-page="notebook"] .rt-fx-wrap {
  display: flex; flex-direction: column; gap: 6px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
[data-page="notebook"] .rt-fx-title {
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(var(--accent-rgb), 0.8);
  text-align: center;
}
[data-page="notebook"] .rt-fx-svg { max-width: 100%; height: auto; }
[data-page="notebook"] .rt-fx-station {
  font-family: "JetBrains Mono", monospace; font-size: 15px; font-weight: 700;
  fill: var(--fg);
}
[data-page="notebook"] .rt-fx-label {
  font-family: "JetBrains Mono", monospace; font-size: 10px;
}
[data-page="notebook"] .rt-fx-x {
  font-family: "JetBrains Mono", monospace; font-size: 13px; font-weight: 700;
  fill: rgba(248, 113, 113, 0.95);
}

/* ─── Exercícios — picker dos 6 cenários ────────────────────────────── */
[data-page="notebook"] .rt-const-pickrow {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px 24px; flex-wrap: wrap;
  margin-top: 14px;
}
[data-page="notebook"] .rt-const-picker {
  display: flex; flex-wrap: wrap; gap: 6px;
}
[data-page="notebook"] .rt-super-chip {
  appearance: none;
  background: rgba(15, 18, 25, 0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px 7px;
  cursor: pointer;
  display: flex; flex-direction: row; align-items: baseline; gap: 6px;
  text-align: left; color: var(--fg);
  font-family: inherit;
  position: relative; overflow: hidden;
  transition: background .15s, border-color .15s, transform .12s, box-shadow .15s;
}
[data-page="notebook"] .rt-super-chip::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.25), transparent);
  opacity: 0; transition: opacity .2s;
}
[data-page="notebook"] .rt-super-chip:hover {
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--border-strong);
}
[data-page="notebook"] .rt-super-chip:hover::before { opacity: 0.6; }
[data-page="notebook"] .rt-super-chip.is-active {
  background: rgba(var(--accent-rgb), 0.10);
  border-color: rgba(var(--accent-rgb), 0.45);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.10);
}
[data-page="notebook"] .rt-super-chip.is-active::before { opacity: 1; }
[data-page="notebook"] .rt-super-chip .lbl {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  font-weight: 500; color: var(--muted-2);
  letter-spacing: 0.02em; text-transform: lowercase; line-height: 1.1;
}
[data-page="notebook"] .rt-super-chip.is-active .lbl { color: var(--primary-2); }
[data-page="notebook"] .rt-super-chip .num {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  font-weight: 600; color: var(--fg);
  letter-spacing: 0.02em; line-height: 1.1;
}
[data-page="notebook"] .rt-super-chip.is-active .num { color: var(--primary-2); }

/* ─── Meta-info do cenário activo (título + bloco-base) ─────────────── */
[data-page="notebook"] .rt-const-meta {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 8px 16px;
}
[data-page="notebook"] .rt-const-meta .mono {
  font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--primary-2);
}
[data-page="notebook"] .rt-const-cap {
  color: var(--muted-2); font-size: 11px; margin-left: 8px;
}

/* Painel "espaço do bloco" — uso do bloco-pai + quantas redes cabem no livre */
[data-page="notebook"] .rt-const-space {
  margin-top: 10px;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.25);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
}
[data-page="notebook"] .rt-const-space .row {
  display: flex; flex-wrap: wrap; gap: 6px 20px;
}
[data-page="notebook"] .rt-const-space .row .lbl {
  color: rgba(var(--accent-rgb), 0.85);
  text-transform: uppercase; letter-spacing: 0.1em; font-size: 10px;
}
[data-page="notebook"] .rt-const-space b { color: var(--fg); font-weight: 600; }
[data-page="notebook"] .rt-const-space .calc {
  margin-top: 8px; padding-top: 8px;
  border-top: 1px solid var(--border);
}
[data-page="notebook"] .rt-const-space .calc p {
  margin: 0 0 5px; line-height: 1.6;
}
[data-page="notebook"] .rt-const-space .calc p:last-child { margin: 0; }
[data-page="notebook"] .rt-const-space .calc b { color: var(--primary-2); font-weight: 600; }

/* ─── Stage (canvas + caption) ─────────────────────────────────────── */
[data-page="notebook"] .rt-const-stage {
  margin-top: 14px;
  position: relative;
  background: rgba(15, 18, 25, 0.75);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  height: 560px;
}
[data-page="notebook"] .rt-const-stage::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.5), transparent);
}
/* Wrapper que envolve o canvas — fica colado ao stage (inset: 0). */
[data-page="notebook"] .rt-const-canvas-wrap {
  position: absolute; inset: 0;
  overflow: hidden;
}
[data-page="notebook"] .rt-const-canvas {
  display: block; width: 100%; height: 100%;
}
[data-page="notebook"] .rt-const-stage .caption {
  position: absolute; top: 14px; left: 16px;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  color: var(--muted); letter-spacing: 0.04em;
  padding: 6px 10px;
  background: rgba(10, 13, 18, 0.85);
  border: 1px solid var(--border);
  border-radius: 7px;
  pointer-events: none;
}
[data-page="notebook"] .rt-const-stage .caption .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
}
/* Botão "olho" — toggle dos rótulos das interfaces sobre as ligações */
[data-page="notebook"] .rt-const-eye {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(10, 13, 18, 0.85);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
[data-page="notebook"] .rt-const-eye:hover {
  color: var(--fg);
  border-color: rgba(var(--accent-rgb), 0.4);
  background: rgba(10, 13, 18, 0.88);
}

/* ─── Inspector (router/pc/net details) ────────────────────────────── */
@keyframes rtStepIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
[data-page="notebook"] .inspector {
  margin-top: 16px;
  background: rgba(15, 18, 25, 0.88);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  position: relative;
  animation: rtStepIn .25s ease-out;
}
[data-page="notebook"] .inspector::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.5), transparent);
}
/* folga p/ a navbar fixa não tapar o topo do inspector ao fazer scroll */
[data-page="notebook"] .rt-insp-anchor { scroll-margin-top: 100px; }

[data-page="notebook"] .insp-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
[data-page="notebook"] .insp-head .kind {
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(var(--accent-rgb), 0.85);
}
[data-page="notebook"] .insp-head .kind::before { content: "▸ "; color: rgba(var(--accent-rgb), 0.7); }
[data-page="notebook"] .insp-head h3 {
  margin: 6px 0 4px;
  font-size: 22px; font-weight: 600; letter-spacing: -0.015em;
}
[data-page="notebook"] .insp-head .sub {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  color: var(--muted); letter-spacing: 0.04em;
}
[data-page="notebook"] .insp-close {
  background: transparent; border: 0;
  color: var(--muted-2); cursor: pointer;
  font-size: 22px; padding: 4px 10px;
  border-radius: 8px; line-height: 1;
}
[data-page="notebook"] .insp-close:hover {
  color: var(--fg); background: rgba(255, 255, 255, 0.05);
}

[data-page="notebook"] .insp-section + .insp-section { margin-top: 24px; }
[data-page="notebook"] .insp-lbl {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(var(--accent-rgb), 0.85);
  margin-bottom: 10px;
}
[data-page="notebook"] .insp-lbl::before { content: "── "; color: rgba(var(--accent-rgb), 0.5); }

[data-page="notebook"] .insp-expl {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 12px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  border-left: 2px solid rgba(var(--accent-rgb), 0.4);
  border-radius: 0 8px 8px 0;
  max-width: 88ch;
}
[data-page="notebook"] .insp-expl strong { color: var(--fg); font-weight: 500; }
[data-page="notebook"] .insp-expl em { font-style: normal; color: var(--primary-2); }
[data-page="notebook"] .insp-expl p { margin: 0; }
[data-page="notebook"] .insp-expl p + p { margin-top: 8px; }
[data-page="notebook"] .insp-expl-list {
  margin: 8px 0;
  padding-left: 22px;
  display: flex; flex-direction: column; gap: 8px;
}
[data-page="notebook"] .insp-expl-list li::marker {
  color: rgba(var(--accent-rgb), 0.85);
  font-weight: 600;
}

/* iface grid + kv-grid (tiles) */
[data-page="notebook"] .iface-grid,
[data-page="notebook"] .inspector .kv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
[data-page="notebook"] .iface-tile,
[data-page="notebook"] .inspector .kv-tile {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px 12px;
}
[data-page="notebook"] .iface-tile .k,
[data-page="notebook"] .inspector .kv-tile .k {
  font-family: "JetBrains Mono", monospace; font-size: 9px;
  color: rgba(var(--accent-rgb), 0.85);
  letter-spacing: 0.12em; text-transform: uppercase;
}
[data-page="notebook"] .iface-tile .v,
[data-page="notebook"] .inspector .kv-tile .v {
  font-family: "JetBrains Mono", monospace; font-size: 13px;
  color: var(--fg); margin-top: 4px;
}
[data-page="notebook"] .iface-tile .sub {
  font-size: 10px; color: var(--muted-2); margin-top: 2px;
}

/* inspector tables (Routing / ARP / MAC / Hosts) */
/* Single-grid layout: a insp-table é o grid; cada .row tem display:contents
   para que as células de TODAS as rows pertençam ao mesmo grid (colunas
   sempre alinhadas). */
[data-page="notebook"] .insp-table {
  display: grid;
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.3);
  align-items: center;
  min-width: 0;
}
[data-page="notebook"] .insp-table.arp-cols-2 {
  grid-template-columns: minmax(120px, 1fr) minmax(160px, 1.4fr);
}
[data-page="notebook"] .insp-table.rt-cols {
  grid-template-columns: minmax(140px, 1.4fr) minmax(120px, 1.2fr) minmax(140px, 1.4fr) minmax(80px, 0.8fr);
}
[data-page="notebook"] .insp-table .row { display: contents; }
[data-page="notebook"] .insp-table .row > * {
  padding: 8px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
[data-page="notebook"] .insp-table .row:last-child > * { border-bottom: 0; }
[data-page="notebook"] .insp-table .row.head > * {
  background: rgba(var(--accent-rgb), 0.08);
  color: rgba(var(--accent-rgb), 0.9);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
/* Folga entre uma tabela e uma explicação que venha logo a seguir
   (espelha o margin-bottom dos próprios .insp-expl). */
[data-page="notebook"] .insp-table + .insp-expl { margin-top: 12px; }

[data-page="notebook"] .insp-table .dest { color: var(--primary-2); }
[data-page="notebook"] .insp-table .row.row-direct  .dest { color: #86efac; }
[data-page="notebook"] .insp-table .row.row-default .dest { color: #fcd34d; }
[data-page="notebook"] .insp-table .nh   { color: var(--fg); }
[data-page="notebook"] .insp-table .if   { color: var(--muted); }
[data-page="notebook"] .insp-table .mask { color: var(--muted-2); }

[data-page="notebook"] .tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace; font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted-2);
}


/* ─── Exercícios D — diagrama wireless (WirelessDiagram) ────────────── */
[data-page="notebook"] .rt-wd-wrap {
  width: 100%;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
[data-page="notebook"] .rt-wd-svg {
  width: 100%; height: auto;
  display: block;
  max-width: 900px;
  max-height: 480px;
  margin: 0 auto;
}

/* Diagrama "wide" — ocupa a largura toda do painel, ao contrário do
   .rt-scen-grid usado nos exercícios P. */
[data-page="notebook"] .rt-scen-diagram-wide {
  margin: 4px 0 18px;
}

/* ─── Análise narrativa (Exercícios D — walkthrough) ─────────────── */
[data-page="notebook"] .rt-anal {
  display: flex; flex-direction: column; gap: 14px;
  margin-top: 6px;
}
[data-page="notebook"] .rt-anal-head {
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(var(--accent-rgb), 0.85);
  margin-bottom: 2px;
}
[data-page="notebook"] .rt-anal-block {
  border-left: 2px solid rgba(var(--accent-rgb), 0.35);
  padding: 4px 0 4px 14px;
}
[data-page="notebook"] .rt-anal-titulo {
  margin: 0 0 6px;
  font-size: 13px; font-weight: 600; color: var(--fg);
  letter-spacing: 0.01em;
}
[data-page="notebook"] .rt-anal-texto {
  margin: 0;
  font-size: 13px; line-height: 1.7; color: var(--muted);
}
[data-page="notebook"] .rt-anal-texto strong { color: var(--fg); font-weight: 600; }

/* ═══════════════════════════════════════════════════════════════════
   Erros de campo (validacao inline)
   ═══════════════════════════════════════════════════════════════════
   Uma definicao so para a app toda. As paginas publicas usam .field/.err e o
   admin usa .adm-field/.adm-field__err -- os nomes continuam diferentes porque
   o admin tem o seu proprio prefixo, mas o aspeto esta escrito num sitio unico.

   Fica no FIM do ficheiro de proposito: o erro tem de ganhar ao :focus do campo
   (senao a borda vermelha voltava a azul mal se clicasse la dentro), e a regra
   [data-page="auth"] .field input:focus tem a mesma especificidade que esta --
   em empate, ganha a ultima.

   Os erros que NAO pertencem a um campo (login recusado, quiz mal preenchido)
   nao vivem aqui: sao toasts. Ver o res.toast() no app.js.
   ═══════════════════════════════════════════════════════════════════ */
/* O campo em erro NAO muda de aspeto (sem borda nem halo vermelho): o aviso e
   so a mensagem aqui em baixo. Assim os tres formularios do admin -- categoria,
   topico e quiz -- ficam iguais; o do quiz nunca teve realce no campo, porque a
   mensagem dele nao pertence a nenhum. */
.field .err,
[data-page="admin"] .adm-field__err {
  margin-top: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: #fca5a5;
  /* flex (em vez do "⚠ " colado ao texto) para o simbolo ficar alinhado com a
     primeira linha quando a mensagem passa a duas. */
  display: flex;
  align-items: center;
  gap: 6px;
}
.field .err::before,
[data-page="admin"] .adm-field__err::before { content: "⚠"; }