/* ==========================================================================
   Turma - estilos. Tokens no :root, modo claro/escuro, acentos por disciplina.
   ========================================================================== */
:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f8f9fd;
  --ink: #172033;
  --muted: #667085;
  --line: #e4e8f1;
  --primary: #3b6cf6;
  --primary-ink: #ffffff;
  --primary-soft: color-mix(in srgb, var(--primary) 11%, transparent);
  --good: #12a05c;
  --bad: #e5484d;
  --warn: #d98a00;
  --shadow-sm: 0 1px 2px rgba(23, 32, 51, .06), 0 1px 3px rgba(23, 32, 51, .05);
  --shadow: 0 8px 24px -8px rgba(23, 32, 51, .16), 0 2px 6px rgba(23, 32, 51, .05);
  --shadow-lg: 0 24px 60px -12px rgba(23, 32, 51, .35);
  --radius: 16px;
  --radius-sm: 10px;
  --sidebar-w: 272px;
  --accent: var(--primary);
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0d1220;
  --surface: #151c2e;
  --surface-2: #1a2236;
  --ink: #e8ecf6;
  --muted: #98a2b8;
  --line: #263049;
  --primary: #6b8cff;
  --primary-ink: #0b1020;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 10px 28px -8px rgba(0, 0, 0, .55);
  --shadow-lg: 0 24px 60px -12px rgba(0, 0, 0, .75);
  --good: #3ddc97;
  --bad: #ff6b70;
  --warn: #f5b13d;
  color-scheme: dark;
}
[data-cor="azul"] { --accent: #3b6cf6; }
[data-cor="verde"] { --accent: #12a05c; }
[data-cor="roxo"] { --accent: #8b5cf6; }
[data-cor="laranja"] { --accent: #f07a1a; }
[data-cor="rosa"] { --accent: #e5468f; }
[data-cor="ciano"] { --accent: #0aa5c0; }
[data-cor="vermelho"] { --accent: #e5484d; }
[data-cor="amarelo"] { --accent: #d9a400; }
[data-cor="cinza"] { --accent: #7b8499; }
.accent-soft { background: color-mix(in srgb, var(--accent) 13%, transparent); color: var(--accent); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.55 Inter, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { line-height: 1.25; margin: 0; letter-spacing: -.01em; }
p { margin: 0 0 .6em; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.i { width: 1.15em; height: 1.15em; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; vertical-align: -.2em; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- Estrutura ---------- */
.shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }
.sidebar {
  position: sticky; top: 0; height: 100vh; overflow-y: auto; padding: 22px 16px 16px;
  background: var(--surface); border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px;
}
.brand { display: flex; align-items: center; gap: 11px; padding: 4px 8px 18px; color: var(--ink); font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, #3b6cf6, #8b5cf6); box-shadow: 0 6px 16px -4px rgba(91, 100, 246, .6); }
.brand small { display: block; font-weight: 500; font-size: 12px; color: var(--muted); letter-spacing: 0; margin-top: -2px; }
.nav-title { margin: 16px 10px 6px; font-size: 11px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); }
.nav-link {
  display: flex; align-items: center; gap: 11px; padding: 9px 11px; border-radius: 11px; color: var(--ink);
  font-weight: 550; transition: background .15s, transform .15s var(--ease);
}
.nav-link:hover { background: var(--surface-2); text-decoration: none; transform: translateX(2px); }
.nav-link.active { background: var(--primary-soft); color: var(--primary); }
.nav-link .i { color: var(--muted); }
.nav-link.active .i { color: var(--primary); }
.nav-link .count { margin-left: auto; font-size: 12px; color: var(--muted); background: var(--surface-2); padding: 1px 8px; border-radius: 99px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); flex: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent); margin: 0 3px; }
.nav-btn { width: 100%; border: 0; background: none; font: inherit; font-weight: 550; cursor: pointer; text-align: left; }
.badge-dot { position: absolute; top: -5px; right: -5px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 99px; background: var(--bad); color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center; }
.help-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 10px; background: var(--surface-2); }
.help-chips .chip { cursor: pointer; font-size: 12px; }
.sidebar-foot { position: sticky; bottom: -16px; background: var(--surface); margin-bottom: -16px; padding-bottom: 16px; z-index: 2; margin-top: auto; padding-top: 14px; display: flex; align-items: center; gap: 8px; border-top: 1px solid var(--line); }
.admin-pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); padding: 6px 10px; border-radius: 99px; border: 1px solid var(--line); background: transparent; cursor: pointer; font-family: inherit; }
.admin-pill:hover { color: var(--ink); border-color: var(--muted); text-decoration: none; }
.admin-pill.on { color: var(--good); border-color: color-mix(in srgb, var(--good) 40%, transparent); background: color-mix(in srgb, var(--good) 8%, transparent); }
.icon-btn { width: 36px; height: 36px; display: inline-grid; place-items: center; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; transition: transform .15s var(--ease), background .15s; }
.icon-btn:hover { background: var(--surface-2); transform: translateY(-1px); }
.topbar { display: none; }
.main { min-width: 0; padding: 32px clamp(16px, 3.4vw, 44px) 80px; }
.container { max-width: 1120px; margin: 0 auto; }
.scrim { display: none; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .topbar { display: flex; align-items: center; gap: 10px; position: sticky; top: 0; z-index: 30; padding: 10px 14px; background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
  .topbar .brand { padding: 0; font-size: 17px; }
  .topbar .brand-mark { width: 32px; height: 32px; border-radius: 10px; }
  .sidebar { position: fixed; z-index: 50; left: 0; top: 0; width: min(84vw, 300px); transform: translateX(-102%); transition: transform .25s var(--ease); box-shadow: var(--shadow-lg); }
  body.nav-open .sidebar { transform: none; }
  body.nav-open .scrim { display: block; position: fixed; inset: 0; z-index: 40; background: rgba(8, 12, 24, .5); animation: fade .2s; }
  .main { padding-top: 22px; }
}

/* ---------- Cabeçalho de página ---------- */
.page-head { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.page-head h1 { font-size: clamp(24px, 3.2vw, 32px); font-weight: 800; }
.page-head .sub { color: var(--muted); margin-top: 4px; }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.section-title { display: flex; align-items: center; gap: 10px; margin: 30px 0 14px; font-size: 18px; font-weight: 750; }
.section-title .link { margin-left: auto; font-size: 13.5px; font-weight: 600; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 15px; border-radius: 11px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; font-size: 14px;
  cursor: pointer; transition: transform .15s var(--ease), box-shadow .15s, background .15s, border-color .15s; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); text-decoration: none; border-color: color-mix(in srgb, var(--ink) 25%, var(--line)); }
.btn:active { transform: translateY(0); }
.btn[disabled], .btn.disabled { opacity: .5; pointer-events: none; }
.btn-primary { background: var(--primary); color: var(--primary-ink); border-color: transparent; }
.btn-primary:hover { background: color-mix(in srgb, var(--primary) 88%, #000); border-color: transparent; }
.btn-accent { background: var(--accent); color: #fff; border-color: transparent; }
.btn-soft { background: var(--primary-soft); color: var(--primary); border-color: transparent; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--surface-2); color: var(--ink); box-shadow: none; }
.btn-danger { color: var(--bad); }
.btn-danger:hover { background: color-mix(in srgb, var(--bad) 10%, transparent); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }
.btn-sm { padding: 6px 11px; font-size: 13px; border-radius: 9px; }
.btn-lg { padding: 13px 22px; font-size: 16px; border-radius: 13px; }
.btn-block { width: 100%; }
.btn-spin::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .7s linear infinite; }

/* ---------- Cartões e grades ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); }
.card + .card { margin-top: 16px; }
.card-hover { transition: transform .2s var(--ease), box-shadow .2s, border-color .2s; }
.card-hover:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid .card + .card { margin-top: 0; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spacer { flex: 1; }

.hero {
  position: relative; overflow: hidden; border-radius: 22px; padding: clamp(22px, 4vw, 38px); color: #fff;
  background: radial-gradient(120% 140% at 0% 0%, #5b7cff 0%, #7a4df0 55%, #b04be0 100%);
  box-shadow: 0 18px 40px -16px rgba(91, 80, 240, .6);
}
.hero::after { content: ""; position: absolute; width: 340px; height: 340px; right: -90px; top: -120px; border-radius: 50%; background: rgba(255, 255, 255, .13); }
.hero::before { content: ""; position: absolute; width: 200px; height: 200px; right: 120px; bottom: -120px; border-radius: 50%; background: rgba(255, 255, 255, .09); }
.hero h1 { font-size: clamp(26px, 4vw, 38px); font-weight: 850; position: relative; z-index: 1; }
.hero p { color: rgba(255, 255, 255, .85); max-width: 560px; margin-top: 6px; position: relative; z-index: 1; }
.hero-stats { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; position: relative; z-index: 1; }
.stat { background: rgba(255, 255, 255, .16); backdrop-filter: blur(6px); border: 1px solid rgba(255, 255, 255, .25); border-radius: 14px; padding: 10px 16px; min-width: 104px; }
.stat b { display: block; font-size: 24px; line-height: 1.1; }
.stat span { font-size: 12.5px; opacity: .85; }

/* Disciplina (cartão) */
.disc-card { position: relative; display: block; color: inherit; padding: 20px 20px 18px 24px; overflow: hidden; }
.disc-card:hover { text-decoration: none; }
.disc-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--accent); }
.disc-card h3 { font-size: 17px; margin-bottom: 2px; }
.disc-card .prof { color: var(--muted); font-size: 13.5px; }
.disc-card .metrics { display: flex; gap: 14px; margin-top: 14px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.disc-card .metrics span { display: inline-flex; align-items: center; gap: 5px; }
.disc-banner { border-radius: 22px; padding: clamp(20px, 3.4vw, 32px); margin-bottom: 22px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, var(--surface)), var(--surface) 70%); border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line)); }
.disc-banner::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 8px; background: var(--accent); }
.disc-banner h1 { font-size: clamp(24px, 3.4vw, 32px); font-weight: 800; }
.disc-banner .desc { max-width: 720px; margin-top: 8px; color: var(--muted); }

/* Chips, tags e status */
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 99px; font-size: 12.5px; font-weight: 600; background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); }
button.chip { cursor: pointer; font-family: inherit; transition: all .15s; }
button.chip:hover { color: var(--ink); }
button.chip.active, a.chip.active { background: var(--primary-soft); color: var(--primary); border-color: color-mix(in srgb, var(--primary) 40%, transparent); }
.tag { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 7px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.tag-aviso { background: color-mix(in srgb, #3b6cf6 14%, transparent); color: #3b6cf6; }
.tag-prova { background: color-mix(in srgb, #e5484d 14%, transparent); color: #e5484d; }
.tag-trabalho { background: color-mix(in srgb, #f07a1a 15%, transparent); color: #d9650a; }
.tag-evento { background: color-mix(in srgb, #12a05c 14%, transparent); color: #12a05c; }
.tag-geral { background: color-mix(in srgb, #7b8499 18%, transparent); color: #667085; }
:root[data-theme="dark"] .tag-aviso { color: #8fa8ff; } :root[data-theme="dark"] .tag-prova { color: #ff8a8e; }
:root[data-theme="dark"] .tag-trabalho { color: #ffa45c; } :root[data-theme="dark"] .tag-evento { color: #4de0a0; } :root[data-theme="dark"] .tag-geral { color: #aab3c6; }
.status { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; padding: 3px 10px; border-radius: 99px; }
.status-processando, .status-gerando { background: color-mix(in srgb, var(--warn) 15%, transparent); color: var(--warn); }
.status-erro { background: color-mix(in srgb, var(--bad) 13%, transparent); color: var(--bad); }
.status-pronto { background: color-mix(in srgb, var(--good) 13%, transparent); color: var(--good); }
.spinner { width: 12px; height: 12px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .8s linear infinite; }

/* Material */
.mat-card { display: flex; flex-direction: column; gap: 12px; }
.mat-top { display: flex; gap: 12px; align-items: flex-start; }
.mat-icon { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; flex: none; font-size: 20px; }
.mat-card h3 { font-size: 16px; word-break: break-word; }
.mat-meta { font-size: 12.5px; color: var(--muted); margin-top: 3px; display: flex; gap: 10px; flex-wrap: wrap; }
.mat-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.admin-bar .btn { padding: 5px 9px; }
.admin-bar { display: flex; gap: 4px; flex-wrap: wrap; padding-top: 12px; border-top: 1px dashed var(--line); }
.alert { padding: 11px 14px; border-radius: 12px; font-size: 14px; border: 1px solid; }
.alert-err { background: color-mix(in srgb, var(--bad) 9%, transparent); border-color: color-mix(in srgb, var(--bad) 30%, transparent); color: var(--bad); }
.alert-info { background: var(--primary-soft); border-color: color-mix(in srgb, var(--primary) 30%, transparent); color: var(--primary); }
.alert-warn { background: color-mix(in srgb, var(--warn) 11%, transparent); border-color: color-mix(in srgb, var(--warn) 32%, transparent); color: var(--warn); }

/* Informes */
.informe { display: flex; gap: 16px; align-items: flex-start; }
.informe.pinned { border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); background: linear-gradient(180deg, color-mix(in srgb, var(--warn) 6%, var(--surface)), var(--surface)); }
.date-tile { flex: none; width: 56px; text-align: center; border-radius: 14px; padding: 7px 0 8px; background: var(--primary-soft); color: var(--primary); line-height: 1.1; }
.date-tile b { display: block; font-size: 22px; }
.date-tile span { font-size: 11.5px; text-transform: uppercase; font-weight: 700; letter-spacing: .06em; }
.date-tile.past { background: var(--surface-2); color: var(--muted); }
.informe h3 { font-size: 16.5px; }
.informe .body { white-space: pre-wrap; margin-top: 6px; word-break: break-word; }
.informe .head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
.informe .foot { margin-top: 10px; font-size: 12.5px; color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* Links */
.link-card { display: flex; gap: 14px; align-items: flex-start; color: inherit; }
.link-card:hover { text-decoration: none; }
.link-ico { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; font-weight: 800; font-size: 18px; flex: none; }
.link-card h3 { font-size: 15.5px; }
.link-card .url { font-size: 12.5px; color: var(--muted); word-break: break-all; }
.link-wrap { position: relative; }
.link-wrap .admin-bar { border: 0; padding: 0; position: absolute; right: 10px; top: 10px; }

/* Vídeos */
.video-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.video-thumb { position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; padding: 0; border: 0; cursor: pointer; background: #0b1020; overflow: hidden; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s var(--ease), opacity .2s; }
.video-thumb:hover img { transform: scale(1.05); opacity: .85; }
.video-thumb .play { position: absolute; inset: 0; margin: auto; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, .4); transition: transform .2s var(--ease); }
.video-thumb:hover .play { transform: scale(1.12); }
.video-thumb .play .i { width: 26px; height: 26px; }
.video-body { padding: 14px 16px 16px; }
.video-body h3 { font-size: 15.5px; }
dialog.modal.video-modal { width: min(960px, calc(100vw - 24px)); }
.video-frame { aspect-ratio: 16 / 9; background: #000; }
.video-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* Abas */
.tabs { display: flex; gap: 4px; padding: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; width: fit-content; max-width: 100%; overflow-x: auto; margin-bottom: 18px; }
.tab { border: 0; background: transparent; padding: 8px 16px; border-radius: 10px; font: inherit; font-weight: 600; color: var(--muted); cursor: pointer; display: inline-flex; gap: 8px; align-items: center; white-space: nowrap; transition: all .15s; }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { background: var(--primary); color: var(--primary-ink); box-shadow: var(--shadow-sm); }
.tab .count { font-size: 12px; opacity: .8; }
.tab-panel { animation: rise .3s var(--ease); }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.search { position: relative; flex: 1; min-width: 200px; max-width: 380px; }
.search .i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search input[type=search] { padding-left: 40px; }

.empty { text-align: center; padding: 42px 20px; border: 2px dashed var(--line); border-radius: var(--radius); color: var(--muted); }
.empty .big { font-size: 38px; margin-bottom: 6px; }
.empty h3 { color: var(--ink); margin-bottom: 4px; }

/* ---------- Formulários ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field > label, .label { font-size: 13px; font-weight: 650; color: var(--muted); }
input[type=text], input[type=password], input[type=url], input[type=date], input[type=search], select, textarea {
  width: 100%; padding: 10px 13px; border-radius: 11px; border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  font: inherit; transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 96px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.check { display: flex; align-items: center; gap: 9px; font-weight: 550; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--primary); }
.swatches { display: flex; gap: 9px; flex-wrap: wrap; }
.swatch { width: 30px; height: 30px; border-radius: 50%; border: 3px solid transparent; background: var(--accent); cursor: pointer; padding: 0; transition: transform .15s var(--ease); box-shadow: 0 0 0 1px var(--line); }
.swatch:hover { transform: scale(1.12); }
.swatch[aria-checked="true"] { border-color: var(--surface); box-shadow: 0 0 0 2.5px var(--accent); }
.dropzone { border: 2px dashed var(--line); border-radius: 14px; padding: 26px 16px; text-align: center; cursor: pointer; color: var(--muted); transition: all .15s; background: var(--surface-2); }
.dropzone:hover, .dropzone.drag { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.dropzone b { color: var(--ink); display: block; word-break: break-all; }
.progress { height: 8px; border-radius: 99px; background: var(--surface-2); overflow: hidden; margin-top: 10px; border: 1px solid var(--line); }
.progress > i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--primary), #8b5cf6); transition: width .2s; }
.topic-edit-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.topic-edit-row span { font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ---------- Modal ---------- */
dialog.modal { border: 0; padding: 0; border-radius: 20px; width: min(560px, calc(100vw - 24px)); max-height: calc(100dvh - 24px); background: var(--surface); color: var(--ink); box-shadow: var(--shadow-lg); overflow: hidden; }
dialog.modal[open] { display: flex; flex-direction: column; animation: pop .22s var(--ease); }
dialog.modal::backdrop { background: rgba(8, 12, 24, .55); backdrop-filter: blur(3px); animation: fade .2s; }
.modal-head { display: flex; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.modal-head h2 { font-size: 18px; flex: 1; }
.modal-body { padding: 20px 22px 8px; overflow-y: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 22px 18px; border-top: 1px solid var(--line); align-items: center; }
.modal-foot .err { margin-right: auto; color: var(--bad); font-size: 13.5px; }

/* ---------- Toast ---------- */
.toasts { position: fixed; z-index: 100; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast { pointer-events: auto; padding: 12px 16px; border-radius: 13px; background: var(--ink); color: var(--bg); box-shadow: var(--shadow-lg); font-weight: 550; max-width: min(360px, calc(100vw - 32px)); animation: rise .25s var(--ease); }
.toast.err { background: var(--bad); color: #fff; }
.toast.ok { background: var(--good); color: #fff; }

/* ---------- Login ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(90% 80% at 10% 0%, color-mix(in srgb, var(--primary) 18%, var(--bg)), var(--bg)); }
.auth-card { width: min(400px, 100%); padding: 30px; }
.auth-card .brand { justify-content: center; padding-bottom: 6px; }

/* ---------- Simulado ---------- */
.sim-layout { display: grid; gap: 16px; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: start; }
@media (max-width: 900px) { .sim-layout { grid-template-columns: 1fr; } }
.seg { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; }
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; }
.seg span { display: block; text-align: center; padding: 11px 12px; border-radius: 12px; border: 1.5px solid var(--line); font-weight: 600; background: var(--surface); transition: all .15s; }
.seg input:checked + span { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.seg input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }
.seg label:hover span { border-color: color-mix(in srgb, var(--primary) 50%, var(--line)); }
.topic-disclosure { border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); }
.topic-disclosure summary { cursor: pointer; padding: 11px 14px; font-weight: 600; list-style: none; display: flex; align-items: center; gap: 8px; }
.topic-disclosure summary::-webkit-details-marker { display: none; }
.topic-disclosure summary::after { content: "▾"; margin-left: auto; color: var(--muted); transition: transform .2s; }
.topic-disclosure[open] summary::after { transform: rotate(180deg); }
.topic-disclosure-body { padding: 4px 14px 14px; max-height: 260px; overflow-y: auto; }
.topic-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 8px; }
.topic-chip { display: inline-flex; gap: 8px; align-items: center; padding: 6px 12px; border-radius: 99px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-size: 13px; font-weight: 550; cursor: pointer; transition: all .15s; text-align: left; }
.topic-chip:hover { border-color: var(--primary); }
.topic-chip.active { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.topic-chip-count { font-size: 11px; opacity: .65; }
.badge { display: inline-block; padding: 3px 11px; border-radius: 99px; font-size: 12.5px; font-weight: 700; background: var(--primary-soft); color: var(--primary); }
.badge-alt { background: color-mix(in srgb, #8b5cf6 14%, transparent); color: #8b5cf6; }
.badge-theme { background: color-mix(in srgb, var(--good) 13%, transparent); color: var(--good); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.quiz-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.quiz-top .doc-name { font-weight: 700; flex: 1; min-width: 200px; }
.score-box { background: var(--surface); border: 1px solid var(--line); padding: 6px 13px; border-radius: 99px; font-weight: 700; font-size: 13.5px; }
.question-meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
#question-text { font-size: 19px; font-weight: 650; line-height: 1.5; margin-bottom: 18px; }
.loading-msg { color: var(--muted); font-size: 13px; animation: pulse 1.2s infinite; }
.options-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.option-btn { display: flex; gap: 12px; text-align: left; align-items: flex-start; padding: 13px 15px; border-radius: 13px; border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; cursor: pointer; transition: all .15s var(--ease); }
.option-btn:hover:not(:disabled) { border-color: var(--primary); transform: translateX(3px); background: var(--primary-soft); }
.option-btn.selected { border-color: var(--primary); background: var(--primary-soft); }
.option-btn.correct { border-color: var(--good); background: color-mix(in srgb, var(--good) 12%, transparent); }
.option-btn.incorrect { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 10%, transparent); }
.option-btn:disabled { cursor: default; }
.option-letter { width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; flex: none; font-weight: 800; font-size: 13px; background: var(--surface-2); border: 1px solid var(--line); }
.option-btn.selected .option-letter { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.action-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.action-row .push { margin-left: auto; }
.hint-box { background: color-mix(in srgb, var(--warn) 11%, transparent); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); padding: 11px 14px; border-radius: 12px; margin-bottom: 14px; }
.btn.active { background: var(--primary-soft); color: var(--primary); }
.error-msg { margin-top: 12px; }
.feedback h3.correct { color: var(--good); } .feedback h3.incorrect { color: var(--bad); } .feedback h3.partial { color: var(--warn); }
.explanation-item { padding: 10px 13px; border-radius: 11px; margin-top: 8px; display: flex; flex-direction: column; gap: 2px; border: 1px solid var(--line); }
.explanation-item.correct { border-color: color-mix(in srgb, var(--good) 45%, transparent); background: color-mix(in srgb, var(--good) 8%, transparent); }
.explanation-item.incorrect { border-color: color-mix(in srgb, var(--bad) 35%, transparent); background: color-mix(in srgb, var(--bad) 6%, transparent); }
.explanation-item .label { font-weight: 800; font-size: 13px; }
.model-answer, .grading-block { margin-top: 10px; padding: 12px 14px; background: var(--surface-2); border-radius: 12px; }
.nota { font-weight: 800; }
.feedback .btn { margin-top: 14px; }

/* ---------- Dúvidas (chat) ---------- */
.doubts-fab { position: fixed; right: 20px; bottom: 20px; z-index: 60; display: inline-flex; gap: 8px; align-items: center; padding: 13px 18px; border-radius: 99px; border: 0; background: linear-gradient(135deg, #3b6cf6, #8b5cf6); color: #fff; font: inherit; font-weight: 700; cursor: pointer; box-shadow: 0 12px 28px -8px rgba(91, 80, 240, .7); transition: transform .2s var(--ease); }
.doubts-fab:hover { transform: translateY(-3px) scale(1.03); }
.doubts-panel { position: fixed; right: 20px; bottom: 20px; z-index: 61; width: min(400px, calc(100vw - 24px)); height: min(560px, calc(100dvh - 40px)); background: var(--surface); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; overflow: hidden; animation: pop .22s var(--ease); }
.doubts-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; font-weight: 700; color: #fff; background: linear-gradient(135deg, #3b6cf6, #8b5cf6); }
.doubts-header button { background: rgba(255, 255, 255, .2); border: 0; color: #fff; width: 30px; height: 30px; border-radius: 9px; cursor: pointer; font-size: 14px; }
.doubts-messages { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: var(--surface-2); }
.doubt-msg { padding: 10px 13px; border-radius: 14px; max-width: 88%; white-space: pre-wrap; word-break: break-word; font-size: 14.5px; }
.doubt-assistant { background: var(--surface); border: 1px solid var(--line); align-self: flex-start; border-bottom-left-radius: 4px; }
.doubt-user { background: var(--primary); color: var(--primary-ink); align-self: flex-end; border-bottom-right-radius: 4px; }
.doubt-error { background: color-mix(in srgb, var(--bad) 10%, transparent); color: var(--bad); align-self: stretch; max-width: 100%; }
.doubts-loading { padding: 6px 16px; font-size: 13px; color: var(--muted); animation: pulse 1.2s infinite; }
.doubts-input-row { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--line); background: var(--surface); }
.doubts-input-row textarea { min-height: 0; flex: 1; resize: none; }

/* ---------- Página do material ---------- */
.pdf-frame { width: 100%; height: min(78vh, 900px); border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.tts-controls { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 12px 0; }
.tts-controls select { width: auto; }

/* ---------- Animações ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.97); } }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
@keyframes pulse { 50% { opacity: .45; } }
.reveal > * { animation: rise .45s var(--ease) backwards; }
.reveal > *:nth-child(2) { animation-delay: .05s; } .reveal > *:nth-child(3) { animation-delay: .1s; }
.reveal > *:nth-child(4) { animation-delay: .15s; } .reveal > *:nth-child(5) { animation-delay: .2s; } .reveal > *:nth-child(n+6) { animation-delay: .25s; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; } }

@media print {
  .sidebar, .topbar, .doubts-fab, .doubts-panel, .admin-bar, .toasts { display: none !important; }
  .shell { display: block; } .main { padding: 0; } body { background: #fff; }
}

.clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.yt-info { margin: -4px 0 12px; min-height: 1em; }

.nav-txt { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.nav-nome { overflow: hidden; text-overflow: ellipsis; }
.sit { font-size: 11px; font-weight: 600; color: var(--muted); }
.sit-em_curso { color: var(--ok, #16a34a); }
.sit-prevista { color: var(--primary); }
.sit-finalizada { color: var(--muted); }

/* ---------- Jogo: Desafio diário ---------- */
.jg-lista { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.jg-lista .card + .card { margin-top: 0; }
.jg-card.ok { border-color: color-mix(in srgb, var(--good) 55%, var(--line)); }
.jg-boxes { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0; }
.jg-b { width: 34px; height: 42px; display: grid; place-items: center; border: 2px solid var(--line); border-radius: 8px;
  font-weight: 800; font-size: 20px; background: var(--surface-2); color: var(--ink); }
.jg-b.on { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.jg-card.ok .jg-b { border-color: var(--good); color: var(--good); background: color-mix(in srgb, var(--good) 12%, transparent); }
.jg-sep { width: 14px; display: grid; place-items: center; font-weight: 800; color: var(--muted); }
.jg-dicas { margin: 10px 0; padding-left: 22px; display: grid; gap: 6px; }
.jg-dicas li::marker { color: var(--primary); font-weight: 700; }
.jg-form { gap: 8px; flex-wrap: nowrap; }
.jg-form input { flex: 1; min-width: 0; }
.jg-card.erro { animation: jg-shake .35s; }
@keyframes jg-shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
.jg-tabela { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.jg-tabela th, .jg-tabela td { text-align: left; padding: 8px 10px; border-top: 1px solid var(--line); }
.jg-tabela th { color: var(--muted); font-weight: 600; font-size: 12.5px; border-top: 0; }
@media (max-width: 480px) { .jg-b { width: 28px; height: 36px; font-size: 17px; } .jg-boxes { gap: 4px; } }
@media (prefers-reduced-motion: reduce) { .jg-card.erro { animation: none; } }

/* ---------- Jogo: Show do Milhão do Direito ---------- */
.mh-regras { margin: 0 0 4px; padding-left: 20px; display: grid; gap: 8px; }
.mh-jogo { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr) 250px; align-items: start; }
.mh-valores { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.mh-valores .chip b { color: var(--ink); }
.mh-host { display: flex; gap: 10px; align-items: flex-start; background: var(--primary-soft); color: var(--ink); border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  border-radius: 14px; padding: 10px 14px; margin-bottom: 12px; min-height: 44px; font-weight: 600; }
.mh-host-ico { font-size: 22px; line-height: 1.2; }
.mh-enunciado { font-size: 18px; font-weight: 600; line-height: 1.45; margin: 0 0 14px; }
.mh-opcoes { display: grid; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mh-op { display: flex; gap: 10px; align-items: flex-start; text-align: left; padding: 12px 14px; border: 2px solid var(--line); border-radius: 12px;
  background: var(--surface-2); color: var(--ink); font: inherit; cursor: pointer; transition: border-color .15s, background .15s, opacity .2s; }
.mh-op:hover:not(:disabled) { border-color: var(--primary); }
.mh-op .mh-l { flex: none; width: 26px; height: 26px; border-radius: 99px; display: grid; place-items: center; font-weight: 800; background: var(--surface); border: 1px solid var(--line); color: var(--primary); }
.mh-op.sel { border-color: var(--primary); background: var(--primary-soft); }
.mh-op.elim { opacity: .3; filter: grayscale(1); cursor: default; }
.mh-op.elim > span:nth-child(2) { text-decoration: line-through; }
.mh-x { margin-left: auto; align-self: center; flex: none; font-size: 11px; font-weight: 700; color: var(--bad); text-transform: uppercase; letter-spacing: .04em; }
.mh-op.certa { border-color: var(--good); background: color-mix(in srgb, var(--good) 14%, transparent); }
.mh-op.errada { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, transparent); }
.mh-op:disabled { cursor: default; }
.mh-confirma { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 14px; padding: 10px 14px; border-radius: 12px;
  background: color-mix(in srgb, var(--warn) 14%, transparent); border: 1px solid color-mix(in srgb, var(--warn) 45%, transparent); font-weight: 600; }
.mh-resultado { margin-top: 14px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface-2); line-height: 1.5; }
.mh-resultado.ok { border-color: var(--good); }
.mh-resultado.no { border-color: var(--bad); }
.mh-ajudas { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.mh-ajudas .btn:disabled { opacity: .45; cursor: not-allowed; }
.mh-parar { margin-left: auto; }
.mh-escada { position: sticky; top: 76px; padding: 14px; }
.mh-escada ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column-reverse; gap: 3px; font-size: 14px; }
.mh-escada li { display: flex; justify-content: space-between; gap: 8px; padding: 4px 10px; border-radius: 8px; color: var(--muted); font-variant-numeric: tabular-nums; }
.mh-escada li.pat { color: var(--ink); font-weight: 700; }
.mh-escada li.feito { color: var(--good); }
.mh-escada li.atual { background: var(--primary); color: var(--primary-ink); font-weight: 800; }
.mh-cartas-linha { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; max-width: 460px; }
.mh-carta { aspect-ratio: 2/3; border-radius: 12px; border: 2px solid var(--primary); font-size: 34px; font-weight: 800; cursor: pointer;
  background: repeating-linear-gradient(45deg, var(--primary-soft), var(--primary-soft) 8px, var(--surface-2) 8px, var(--surface-2) 16px); color: var(--primary); transition: transform .35s; }
.mh-carta:hover:not(:disabled) { transform: translateY(-4px); }
.mh-carta.virada { background: var(--surface); transform: rotateY(360deg); cursor: default; font-size: 22px; }
.mh-carta.minha { border-color: var(--good); }
.mh-carta:disabled { cursor: default; }
.mh-univ-lista { display: grid; gap: 10px; }
.mh-uni { display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); }
.mh-uni.fala { border-color: var(--primary); }
.mh-uni .av { font-size: 28px; line-height: 1; }
.mh-uni .letra { display: inline-block; font-weight: 800; color: var(--primary); }
.mh-fim-ico { font-size: 56px; line-height: 1; }
.mh-fim-premio { font-size: 30px; font-weight: 800; margin: 4px 0; color: var(--primary); }
.mh-fim-expl { text-align: left; max-width: 640px; margin: 12px auto 0; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); line-height: 1.5; }
@media (max-width: 860px) {
  .mh-jogo { grid-template-columns: minmax(0, 1fr); }
  .mh-escada { position: static; order: 2; }
  .mh-escada ol { flex-direction: column-reverse; }
}
@media (max-width: 560px) { .mh-opcoes { grid-template-columns: minmax(0, 1fr); } .mh-enunciado { font-size: 16.5px; } .mh-parar { margin-left: 0; } }
@media (prefers-reduced-motion: reduce) { .mh-carta, .mh-op { transition: none; } .mh-carta.virada { transform: none; } }

/* Show do Milhão: proteção contra cópia, impressão e captura (dificulta; nenhum navegador bloqueia 100%) */
#mh-jogo, #mh-fim { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
#mh-jogo img, #mh-fim img { -webkit-user-drag: none; }
#mh-nome { -webkit-user-select: text; user-select: text; }
.mh-oculto .mh-enunciado, .mh-oculto .mh-opcoes { filter: blur(14px); pointer-events: none; }
.mh-oculto::after { content: "Volte para esta janela para continuar"; position: absolute; inset: 0; display: grid; place-items: center; font-weight: 700; color: var(--ink); text-align: center; padding: 20px; }
.mh-pergunta { position: relative; }
@media print {
  body.page-milhao *, body.page-jogo * { visibility: hidden !important; }
  body.page-milhao::before, body.page-jogo::before { content: "A impressão deste jogo está bloqueada."; visibility: visible !important; display: block; font: 700 18px sans-serif; padding: 40px; }
}

.mh-logo { display: block; width: min(100%, 440px); height: auto; margin-bottom: 6px; -webkit-user-drag: none; user-select: none; pointer-events: none; }

/* Desafio diário: letras liberadas por hora, que a pessoa escolhe abrir */
button.jg-b { font-family: inherit; padding: 0; cursor: pointer; }
.jg-b.jg-pode { border-style: dashed; border-color: var(--primary); background: var(--primary-soft); animation: jg-pulsa 1.6s ease-in-out infinite; }
.jg-b.jg-pode:hover { transform: translateY(-2px); }
.jg-b.jg-pode:disabled { animation: none; opacity: .6; cursor: default; }
@keyframes jg-pulsa { 50% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 22%, transparent); } }
@media (prefers-reduced-motion: reduce) { .jg-b.jg-pode { animation: none; } }

/* Desafio diário: proteção contra cópia (zonas [data-protegido]) */
[data-protegido] { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
[data-protegido] input { -webkit-user-select: text; user-select: text; }
[data-oculta-sem-foco] { position: relative; }
[data-oculta-sem-foco].sem-foco :is(.jg-boxes, .jg-dicas, .mh-enunciado, .mh-opcoes, .mh-resultado, .mh-uni, .mh-fim-expl) { filter: blur(14px); pointer-events: none; }
[data-protegido] { position: relative; }

/* Menu: grupo recolhível "Aprendizagem Gamificada" */
.nav-group-btn { display: flex; align-items: center; gap: 10px; }
.nav-group-btn .chev { margin-left: auto; transition: transform .2s; }
.nav-group-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }
.nav-group-list { margin: 2px 0 0 14px; padding-left: 8px; border-left: 2px solid var(--line); display: grid; gap: 2px; }
.nav-group-list[hidden] { display: none; }
@media (prefers-reduced-motion: reduce) { .nav-group-btn .chev { transition: none; } }