/* Identidade visual da logo QUIZ TECH: preto, degradê ciano -> azul -> royal, colchetes < >, letras largas e tecnológicas */
@font-face {
  font-family: "Orbitron";
  src: url("../assets/fonts/orbitron-latin.woff2") format("woff2");
  font-weight: 500 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --black: #000000;        /* fundo da logo */
  --ink: #010e24;          /* azul quase preto (sombras do Q) */
  --navy: #01183c;         /* faixa dos colchetes < > */
  --royal: #042872;        /* azul royal */
  --blue-deep: #0950bd;    /* azul profundo */
  --blue: #0068fc;         /* azul da cauda do Q */
  --azure: #0b79e8;        /* azul médio do aro */
  --cyan: #01bcf8;         /* ciano */
  --cyan-bright: #01d6fc;  /* ciano do topo do Q */
  --ice: #bce4ee;          /* brilho claro */
  --white: #ffffff;
  --muted: #8fb4dd;        /* texto secundário (contraste 8:1 sobre o fundo) */
  --line: rgba(1, 188, 248, 0.22);
  --ok: #22c55e;
  --bad: #ff5b5b;
  --radius: 14px;
  --glow: 0 0 44px rgba(1, 188, 248, 0.2);
  --font-display: "Orbitron", "Segoe UI", system-ui, sans-serif;

  /* Degradê do Q: ciano -> azul -> royal */
  --q-gradient: linear-gradient(135deg, var(--cyan-bright) 0%, var(--azure) 45%, var(--blue-deep) 75%, var(--royal) 100%);
  /* Texto sobre fundo escuro: termina em azul claro o bastante para ler sobre o preto */
  --q-text-gradient: linear-gradient(90deg, var(--cyan-bright) 0%, var(--azure) 60%, #3d8bff 100%);
  /* Botões: só tons com contraste >= 4,5:1 com texto branco */
  --btn-gradient: linear-gradient(135deg, var(--blue-deep), var(--blue));
  /* Borda luminosa dos cartões */
  --card-border: linear-gradient(135deg, rgba(1, 214, 252, 0.6), rgba(9, 80, 189, 0.35) 55%, rgba(4, 40, 114, 0.25));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background:
    radial-gradient(900px 520px at 90% -10%, rgba(4, 40, 114, 0.95) 0%, transparent 65%),
    radial-gradient(760px 460px at -8% 108%, rgba(1, 188, 248, 0.14) 0%, transparent 60%),
    url("../assets/bg-pattern.svg"),
    var(--black);
  background-attachment: fixed, fixed, scroll, fixed;
  color: var(--white);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; width: 100%; max-width: 68.75rem; margin: 0 auto; padding: 1.5rem max(1rem, env(safe-area-inset-right)) 3rem max(1rem, env(safe-area-inset-left)); }
a { color: var(--cyan); }
a:hover { color: var(--cyan-bright); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 12px; }
h1, h2 { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.6px; }
h3 { font-weight: 700; letter-spacing: 0.2px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 3px solid var(--cyan-bright); outline-offset: 2px; }

/* ---------- Icones SVG (herdam a cor do texto) ---------- */
.icone { display: inline-block; flex: none; vertical-align: -0.22em; }
.icone.no-texto { margin: 0 0.15em; color: var(--cyan-bright); vertical-align: -0.28em; }
.chip .icone { color: var(--cyan-bright); margin-right: 2px; }
.install-btn .icone { margin-right: 2px; }
.medalha { display: inline-flex; align-items: center; }
.medalha.ouro { color: #ffd54a; }
.medalha.prata { color: #d3dbe6; }
.medalha.bronze { color: #e0904f; }
.answer .icone.certo { color: var(--ok); }
.answer .icone.errado { color: var(--bad); }

/* ---------- Navegação ---------- */
.nav { padding-top: env(safe-area-inset-top); background: rgba(1, 14, 36, 0.86); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; border-image: linear-gradient(90deg, transparent, var(--cyan) 30%, var(--blue-deep) 70%, transparent) 1; position: sticky; top: 0; z-index: 10; }
.nav-inner { max-width: 68.75rem; margin: 0 auto; padding: 0.625rem max(1rem, env(safe-area-inset-right)) 0.625rem max(1rem, env(safe-area-inset-left)); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; letter-spacing: 2px; color: var(--white); text-decoration: none; text-transform: uppercase; }
.brand:hover { color: var(--white); }
.brand img { width: 2.5rem; height: 2.5rem; border-radius: 11px; box-shadow: 0 0 0 1px var(--line), 0 0 16px rgba(1, 188, 248, 0.3); }
.brand span b { color: var(--cyan-bright); }
.nav-links { display: flex; gap: 6px; margin-left: auto; flex-wrap: wrap; align-items: center; }
.nav-links a, .nav-links button { color: var(--white); text-decoration: none; padding: 0.5rem 0.75rem; border-radius: 10px; background: none; border: 0; font: inherit; cursor: pointer; }
.nav-links a:hover, .nav-links button:hover { background: var(--navy); color: var(--cyan-bright); }
.nav-links a[aria-current="page"] { background: var(--navy); box-shadow: inset 0 -2px 0 var(--cyan); }
.nav-links a.btn { color: var(--white); background: var(--btn-gradient); }
.nav-links a.btn:hover { background: var(--btn-gradient); color: var(--white); }

/* ---------- Botões e formulários ---------- */
.btn { display: inline-block; border: 1px solid var(--cyan); cursor: pointer; font: inherit; font-weight: 700; letter-spacing: 0.3px; padding: 0.75rem 1.375rem; border-radius: 12px; color: var(--white); background: var(--btn-gradient); text-decoration: none; box-shadow: 0 6px 22px rgba(0, 104, 252, 0.35); transition: filter 0.15s, box-shadow 0.15s, transform 0.15s; }
.btn:hover { color: var(--white); filter: brightness(1.12); box-shadow: 0 6px 28px rgba(1, 188, 248, 0.5); transform: translateY(-1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn.secondary { background: transparent; border: 2px solid var(--blue-deep); box-shadow: none; }
.btn.secondary:hover { border-color: var(--cyan); background: rgba(1, 188, 248, 0.08); }
.btn.small { padding: 0.5rem 0.875rem; font-size: 0.9rem; }
.btn.block { display: block; width: 100%; text-align: center; }

/* Cartão com borda luminosa em degradê */
.card {
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 1.25rem;
  background: linear-gradient(180deg, var(--navy), var(--ink)) padding-box, var(--card-border) border-box;
}
.form { max-width: 26.25rem; margin: 1.5rem auto; }
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 6px; font-weight: 600; }
.field input, .field select { width: 100%; padding: 0.75rem; border-radius: 10px; border: 1px solid var(--blue-deep); background: var(--ink); color: var(--white); font: inherit; }
.field input:focus, .field select:focus { border-color: var(--cyan-bright); box-shadow: 0 0 0 3px rgba(1, 188, 248, 0.18); outline: none; }
.field.check label { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.field.check input { width: auto; margin-top: 4px; }
.msg { padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; }
.msg.error { background: rgba(255, 91, 91, 0.12); border: 1px solid var(--bad); }
.msg.ok { background: rgba(34, 197, 94, 0.14); border: 1px solid var(--ok); }

/* Logo redonda e centralizada (entrar / cadastrar) */
.auth-card { text-align: center; }
.auth-card .field, .auth-card .msg, .auth-card .field.check { text-align: left; }
.auth-logo { width: 10.5rem; height: 10.5rem; margin: 4px auto 14px; border-radius: 50%; padding: 3px; background: var(--q-gradient); box-shadow: var(--glow), 0 0 0 6px rgba(1, 188, 248, 0.08); }
.auth-logo img { display: block; width: 100%; height: 100%; border-radius: 50%; object-fit: cover; background: var(--black); border: 3px solid var(--black); }
.auth-card h1 { font-size: 1.5rem; margin-bottom: 18px; }
.auth-card h1::before, .auth-card h1::after { content: ""; display: inline-block; width: 0.8em; height: 0.8em; vertical-align: -0.05em; background: var(--cyan-bright); }
.auth-card h1::before { margin-right: 0.45em; -webkit-mask-image: url("../assets/icons/code-abre.svg"); mask-image: url("../assets/icons/code-abre.svg"); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; }
.auth-card h1::after { margin-left: 0.45em; -webkit-mask-image: url("../assets/icons/code-fecha.svg"); mask-image: url("../assets/icons/code-fecha.svg"); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; }

/* ---------- Início ---------- */
.hero { text-align: center; padding: 28px 0 8px; }
.hero-logo { position: relative; display: inline-block; isolation: isolate; }
.hero-logo::before {
  content: ""; position: absolute; inset: -34px; z-index: -1; border-radius: 50%;
  background: conic-gradient(from 200deg, var(--cyan-bright), var(--blue), var(--royal) 45%, transparent 62%, var(--cyan-bright));
  filter: blur(42px); opacity: 0.38; animation: pulse 6s ease-in-out infinite;
}
/* Logo com fundo transparente: se funde ao fundo do site, sem moldura quadrada */
.hero-logo img { display: block; width: min(21rem, 78vw); height: auto; filter: drop-shadow(0 0 28px rgba(1, 188, 248, 0.32)); }
.hero h1 { font-size: clamp(1.35rem, 4vw, 2.5rem); margin-top: 26px; text-wrap: balance; }
.hero h1::before, .hero h1::after { content: ""; display: inline-block; width: 0.7em; height: 0.7em; vertical-align: -0.02em; background: var(--cyan); }
.hero h1::before { margin-right: 0.4em; -webkit-mask-image: url("../assets/icons/code-abre.svg"); mask-image: url("../assets/icons/code-abre.svg"); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; }
.hero h1::after { margin-left: 0.4em; -webkit-mask-image: url("../assets/icons/code-fecha.svg"); mask-image: url("../assets/icons/code-fecha.svg"); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; }
.hero h1 b { background: var(--q-text-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.hero p { max-width: 640px; margin: 0 auto 22px; color: var(--muted); font-size: 1.1rem; }
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 34px 0; }
.stat { text-align: center; }
.stat strong { display: block; font-family: var(--font-display); font-size: 2rem; font-weight: 800; background: var(--q-text-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
main > h2 { display: flex; align-items: center; gap: 12px; }
main > h2::after { content: ""; flex: 1; height: 2px; background: linear-gradient(90deg, var(--cyan), transparent); opacity: 0.6; }

/* ---------- Quizzes ---------- */
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; margin: 16px 0 24px; }
.toolbar input { flex: 1 1 15rem; padding: 0.75rem; border-radius: 10px; border: 1px solid var(--blue-deep); background: var(--ink); color: var(--white); font: inherit; }
.toolbar input:focus { border-color: var(--cyan-bright); box-shadow: 0 0 0 3px rgba(1, 188, 248, 0.18); outline: none; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { border: 1px solid var(--blue-deep); background: transparent; color: var(--white); padding: 0.5rem 0.875rem; border-radius: 999px; cursor: pointer; font: inherit; transition: border-color 0.15s, color 0.15s; }
.chip:hover { border-color: var(--cyan); color: var(--cyan-bright); }
.chip[aria-pressed="true"] { background: var(--btn-gradient); border-color: var(--cyan); color: var(--white); box-shadow: 0 0 16px rgba(1, 188, 248, 0.25); }
.group-title { display: flex; align-items: center; gap: 10px; margin: 30px 0 12px; color: var(--cyan-bright); font-size: 1rem; text-transform: uppercase; letter-spacing: 2.5px; }
.group-title::before { content: ""; width: 1.3em; height: 1.3em; background: var(--azure); -webkit-mask-image: url("../assets/icons/code-tag.svg"); mask-image: url("../assets/icons/code-tag.svg"); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; }
.group-title::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), transparent); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr)); gap: 1rem; }
.quiz-card { display: flex; flex-direction: column; gap: 8px; transition: transform 0.2s, box-shadow 0.2s; }
.quiz-card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(1, 188, 248, 0.16); }
.quiz-card .icon { width: 52px; height: 52px; display: grid; place-items: center; color: var(--cyan-bright); border-radius: 14px; background: linear-gradient(135deg, rgba(1, 214, 252, 0.16), rgba(4, 40, 114, 0.5)); box-shadow: inset 0 0 0 1px var(--line); }
.quiz-card .meta { color: var(--muted); font-size: 0.9rem; margin-top: auto; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--royal); color: var(--ice); font-size: 0.8rem; }

/* ---------- Quiz ---------- */
.quiz-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.timer { font-family: var(--font-display); font-variant-numeric: tabular-nums; font-weight: 800; font-size: 1.3rem; color: var(--cyan-bright); text-shadow: 0 0 14px rgba(1, 214, 252, 0.5); }
.timer.low { color: var(--bad); text-shadow: 0 0 14px rgba(255, 91, 91, 0.5); }
.progress { height: 8px; background: var(--navy); border-radius: 999px; overflow: hidden; margin-bottom: 20px; }
.progress > div { height: 100%; background: linear-gradient(90deg, var(--blue), var(--cyan-bright)); box-shadow: 0 0 12px var(--cyan); transition: width 0.3s; }
.question { font-size: 1.25rem; font-weight: 700; margin-bottom: 16px; }
.options { display: grid; gap: 10px; }
.option { display: flex; align-items: center; gap: 14px; text-align: left; width: 100%; padding: 0.75rem 1rem; border-radius: 12px; border: 2px solid var(--blue-deep); background: var(--ink); color: var(--white); font: inherit; cursor: pointer; transition: border-color 0.15s, background 0.15s; }
.option .key { flex: none; width: 1.9rem; height: 1.9rem; display: grid; place-items: center; border-radius: 50%; font-family: var(--font-display); font-size: 0.8rem; font-weight: 800; color: var(--cyan-bright); box-shadow: inset 0 0 0 2px var(--blue-deep); }
.option:hover { border-color: var(--cyan-bright); background: var(--navy); }
.option[aria-pressed="true"] { background: var(--btn-gradient); border-color: var(--cyan-bright); box-shadow: 0 0 20px rgba(1, 188, 248, 0.32); }
.option[aria-pressed="true"] .key { background: var(--white); color: var(--blue-deep); box-shadow: none; }
.quiz-nav { display: flex; justify-content: space-between; margin-top: 20px; gap: 12px; }

/* ---------- Resultado ---------- */
.score { text-align: center; }
.score .big { font-family: var(--font-display); font-size: 3.6rem; font-weight: 800; background: var(--q-text-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.score.fail .big { background: none; color: var(--bad); -webkit-text-fill-color: var(--bad); }
.review { margin-top: 24px; display: grid; gap: 12px; }
.review-item { border-left: 5px solid var(--bad); }
.review-item.right { border-left-color: var(--ok); }
.review-item .answer { margin: 4px 0; }

/* ---------- Tabelas ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--cyan-bright); font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase; }
.table-wrap { overflow-x: auto; }

/* ---------- Textos longos (política de privacidade) ---------- */
.prose { max-width: 47.5rem; }
.prose h2 { margin-top: 28px; color: var(--cyan-bright); font-size: 1.15rem; }
.prose li { margin-bottom: 6px; }

/* ---------- Zona de perigo ---------- */
.card.danger { background: linear-gradient(180deg, var(--navy), var(--ink)) padding-box, linear-gradient(135deg, rgba(255, 91, 91, 0.7), rgba(255, 91, 91, 0.15)) border-box; }
.btn.danger-btn { background: transparent; border: 2px solid var(--bad); color: var(--bad); box-shadow: none; }
.btn.danger-btn:hover { background: rgba(255, 91, 91, 0.12); color: var(--bad); box-shadow: none; }

footer { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; text-align: center; color: var(--muted); padding: 24px 16px; border-top: 1px solid var(--line); font-size: 0.9rem; }
footer img { width: 26px; height: 26px; border-radius: 7px; }
footer a { margin-left: 4px; }
.app-version { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 1px; color: var(--muted); padding: 2px 10px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); }

/* Botao "Instalar app" (PWA) e janela de instrucoes */
.install-btn[hidden] { display: none; }
.nav-links .install-btn { border-radius: 999px; }
.install-dialog { border: 1px solid transparent; border-radius: var(--radius); padding: 22px; max-width: min(420px, calc(100vw - 32px)); color: var(--white);
  background: linear-gradient(180deg, var(--navy), var(--ink)) padding-box, var(--card-border) border-box; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), var(--glow); }
.install-dialog::backdrop { background: rgba(0, 0, 0, 0.72); }
.install-dialog ol { padding-left: 20px; margin: 0 0 14px; }
.install-dialog li { margin-bottom: 8px; }
.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 60; max-width: min(520px, calc(100vw - 24px)); padding: 12px 18px;
  border-radius: var(--radius); color: var(--white); text-align: center; border: 1px solid var(--ok); background: var(--ink); box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6); }

/* Aviso de nova versão */
.update-banner {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 50;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: center;
  max-width: min(780px, calc(100vw - 24px)); padding: 12px 18px; border-radius: var(--radius);
  color: var(--white); text-align: center;
  border: 1px solid transparent;
  background: linear-gradient(180deg, var(--navy), var(--ink)) padding-box, var(--q-gradient) border-box;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), var(--glow);
}

@keyframes pulse { 0%, 100% { opacity: 0.3; transform: scale(0.96); } 50% { opacity: 0.5; transform: scale(1.04); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Certificado (papel claro com as cores da logo) ---------- */
.cert-page { background: #e6eefb; color: var(--ink); }
.certificate {
  position: relative;
  background: #fff; color: var(--ink); max-width: 61.25rem; margin: 24px auto; padding: 48px 56px; text-align: center;
  border: 10px solid var(--blue-deep); outline: 3px solid var(--cyan); outline-offset: -22px; border-radius: 6px;
  box-shadow: 0 20px 50px rgba(4, 40, 114, 0.3);
}
.certificate::before, .certificate::after { content: ""; position: absolute; top: 34px; width: 1.7rem; height: 1.7rem; background: var(--cyan); }
.certificate::before { left: 44px; -webkit-mask-image: url("../assets/icons/code-abre.svg"); mask-image: url("../assets/icons/code-abre.svg"); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; }
.certificate::after { right: 44px; -webkit-mask-image: url("../assets/icons/code-fecha.svg"); mask-image: url("../assets/icons/code-fecha.svg"); -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; -webkit-mask-position: center; mask-position: center; -webkit-mask-size: contain; mask-size: contain; }
.certificate .logo { width: 150px; height: 150px; border-radius: 50%; object-fit: cover; background: #000; border: 4px solid #000; box-shadow: 0 0 0 4px var(--cyan); }
.certificate h1 { font-size: 2.4rem; letter-spacing: 8px; margin: 18px 0 4px; color: var(--blue-deep); background: var(--q-gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.certificate .name { font-size: 2.2rem; font-weight: 800; color: var(--navy); border-bottom: 3px solid var(--cyan); display: inline-block; padding: 0 24px 4px; margin: 12px 0; }
.certificate .text { font-size: 1.15rem; max-width: 720px; margin: 12px auto; }
.certificate .code { margin-top: 28px; font-size: 0.9rem; color: #3b5580; word-break: break-all; }
.cert-actions { text-align: center; margin: 16px; }
.cert-page .btn.secondary { color: var(--blue-deep); border-color: var(--blue-deep); }
.cert-page footer { color: #3b5580; border-top-color: #b8cbe8; }
.cert-page footer a { color: var(--blue-deep); }

@media print {
  @page { size: A4 landscape; margin: 10mm; }
  body { background: #fff; }
  .nav, footer, .cert-actions, .no-print, .update-banner, .install-btn, .toast { display: none !important; }
  main { padding: 0; max-width: none; }
  .certificate { box-shadow: none; margin: 0 auto; page-break-inside: avoid; }
  .certificate, .certificate * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

@media (max-width: 600px) {
  .certificate { padding: 28px 18px; }
  .certificate::before, .certificate::after { display: none; }
  .certificate h1 { font-size: 1.6rem; letter-spacing: 4px; }
  .certificate .name { font-size: 1.5rem; }
  .auth-logo { width: 9rem; height: 9rem; }
}

/* ---------- Niveis (facil / medio / dificil) ---------- */
.badge.nivel-facil { background: rgba(34, 197, 94, 0.18); color: #7be3a1; box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.45); }
.badge.nivel-media { background: rgba(1, 188, 248, 0.16); color: var(--cyan-bright); box-shadow: inset 0 0 0 1px rgba(1, 188, 248, 0.45); }
.badge.nivel-dificil { background: rgba(255, 176, 32, 0.16); color: #ffcf6b; box-shadow: inset 0 0 0 1px rgba(255, 176, 32, 0.45); }
.badge.ativo { background: rgba(34, 197, 94, 0.18); color: #7be3a1; }
.badge.inativo { background: rgba(255, 91, 91, 0.16); color: #ff9a9a; }
.levels { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 8px; margin-top: auto; }
.level-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 8px 10px; border-radius: 10px; background: rgba(1, 14, 36, 0.6); box-shadow: inset 0 0 0 1px var(--line); }
.level-row.done { box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.5); }
.level-row .badge { min-width: 62px; text-align: center; }
.level-info { flex: 1 1 110px; font-size: 0.82rem; }
.level-done { color: var(--ok); display: inline-flex; }
.level-row .btn { margin-left: auto; }

/* ---------- Ranking por periodo ---------- */
.period-note { margin: 10px 0 0; font-size: 0.92rem; }
.field select { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--blue-deep); background: var(--ink); color: var(--white); font: inherit; }

/* ---------- QR Code do certificado ---------- */
.cert-qr { margin: 22px auto 0; display: inline-block; text-align: center; }
.cert-qr img { display: block; margin: 0 auto; width: 132px; height: 132px; padding: 6px; background: #fff; border: 2px solid var(--cyan); border-radius: 8px; }
.cert-qr figcaption { margin-top: 6px; font-size: 0.78rem; color: #3b5580; max-width: 200px; }
.field small { display: block; margin-top: 4px; }

/* ---------- Painel administrativo ---------- */
.admin-page main { max-width: 73.75rem; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 4px 0 20px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.tab { border: 1px solid transparent; background: transparent; color: var(--white); padding: 9px 18px; border-radius: 10px; font: inherit; font-weight: 600; cursor: pointer; }
.tab:hover { background: var(--navy); color: var(--cyan-bright); }
.tab[aria-selected="true"] { background: var(--btn-gradient); border-color: var(--cyan); box-shadow: 0 0 16px rgba(1, 188, 248, 0.25); }
.sub { font-family: var(--font-display); font-size: 1.05rem; margin: 26px 0 12px; color: var(--cyan-bright); }
.admin-toolbar { align-items: center; margin-top: 4px; }
.admin-toolbar select { padding: 12px; border-radius: 10px; border: 1px solid var(--blue-deep); background: var(--ink); color: var(--white); font: inherit; min-width: 170px; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
td.row-actions { min-width: 210px; }
.form-wide { max-width: 860px; margin: 8px 0 20px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 0 16px; }
.field textarea { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--blue-deep); background: var(--ink); color: var(--white); font: inherit; resize: vertical; }
.field textarea:focus { border-color: var(--cyan-bright); box-shadow: 0 0 0 3px rgba(1, 188, 248, 0.18); outline: none; }
.top-areas { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.top-areas li { display: grid; grid-template-columns: minmax(110px, 200px) 1fr 44px; gap: 12px; align-items: center; }
.top-nome { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.top-valor { text-align: right; font-variant-numeric: tabular-nums; color: var(--cyan-bright); font-weight: 700; }
.bar { height: 10px; border-radius: 999px; background: var(--navy); overflow: hidden; }
.bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--cyan-bright)); border-radius: 999px; }
.pergunta-item { margin: 10px 0; }
.pergunta-topo { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 8px; }
.alternativas { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 4px; }
.alternativas li { display: flex; gap: 8px; align-items: flex-start; color: var(--muted); }
.alternativas li.correta { color: var(--white); font-weight: 600; }
.alternativas .icone.certo { color: var(--ok); margin-top: 3px; }
.alternativas .marcador { flex: none; width: 16px; height: 16px; margin-top: 4px; border-radius: 50%; box-shadow: inset 0 0 0 2px var(--blue-deep); }
.alts-set { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin: 0 0 16px; }
.alts-set legend { padding: 0 8px; color: var(--cyan-bright); font-weight: 600; }
.alts { display: grid; gap: 8px; margin-bottom: 10px; }
.alt-row { display: flex; gap: 10px; align-items: center; }
.alt-row input[type="text"] { flex: 1; min-width: 0; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--blue-deep); background: var(--ink); color: var(--white); font: inherit; }
.alt-row input[type="text"]:focus { border-color: var(--cyan-bright); outline: none; box-shadow: 0 0 0 3px rgba(1, 188, 248, 0.18); }
.alt-correta { display: inline-flex; gap: 6px; align-items: center; flex: none; font-size: 0.85rem; color: var(--muted); cursor: pointer; }
.icone-linha { display: flex; align-items: center; gap: 14px; }
.icone-linha select { max-width: 260px; }
.icone-previa, .icone-celula { color: var(--cyan-bright); display: inline-flex; }
code { background: var(--ink); padding: 1px 6px; border-radius: 6px; font-size: 0.86rem; color: var(--ice); }
@media (max-width: 600px) {
  .alt-row { flex-wrap: wrap; }
  .alt-row input[type="text"] { flex-basis: 100%; order: 3; }
  .top-areas li { grid-template-columns: 1fr 44px; }
  .top-areas .bar { grid-column: 1 / -1; order: 3; }
  .level-row .btn { flex: 1 0 100%; text-align: center; }
}
@media print { .tabs, .admin-toolbar { display: none !important; } }

/* O atributo hidden sempre esconde, mesmo em elementos com display definido por classe (abas, botoes). */
[hidden] { display: none !important; }

/* ============================================================================================
   Tutorial, ajuda e textos explicativos
   ============================================================================================ */

/* Título com linha decorativa (mesmo estilo dos títulos diretos do main) */
main > section > h2.titulo-linha { display: flex; align-items: center; gap: 12px; margin-top: 2.25rem; }
main > h2.titulo-linha { margin-top: 2.25rem; }
main > section > h2.titulo-linha::after { content: ""; flex: 1; height: 2px; background: linear-gradient(90deg, var(--cyan), transparent); opacity: 0.6; }

/* Caixa de dica ("Como usar esta página") */
.dica { margin: 1rem 0 1.25rem; padding: 0.9rem 1.1rem; border-radius: var(--radius); border: 1px solid var(--line); border-left: 4px solid var(--cyan); background: rgba(1, 188, 248, 0.07); text-align: left; }
.dica-titulo { font-family: var(--font-display); font-size: 0.95rem; letter-spacing: 0.8px; margin: 0 0 0.5rem; color: var(--cyan-bright); }
.dica ul { margin: 0; padding-left: 1.2rem; }
.dica li { margin-bottom: 0.35rem; }
.dica li:last-child { margin-bottom: 0; }
.cert-page .dica { background: #fff; color: var(--ink); border-color: #b8cbe8; border-left-color: var(--blue-deep); }
.cert-page .dica-titulo { color: var(--blue-deep); }

/* "Como funciona" e "Em qualquer aparelho" na página inicial e na ajuda */
.passos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1rem; }
.passo h3, .aparelhos h3 { margin: 0.5rem 0 0.35rem; }
.passo p, .aparelhos p { margin: 0; }
.passo-icone { width: 3.25rem; height: 3.25rem; display: grid; place-items: center; color: var(--cyan-bright); border-radius: 14px; background: linear-gradient(135deg, rgba(1, 214, 252, 0.16), rgba(4, 40, 114, 0.5)); box-shadow: inset 0 0 0 1px var(--line); }
.aparelhos > article { display: block; }

/* Central de ajuda */
.ajuda-layout { display: grid; gap: 1.25rem; grid-template-columns: minmax(0, 1fr); align-items: start; }
.ajuda-indice { position: static; }
.ajuda-indice h2 { font-size: 1rem; margin-bottom: 0.5rem; }
.ajuda-indice ol { margin: 0; padding-left: 1.2rem; }
.ajuda-indice li { margin-bottom: 0.3rem; }
.ajuda-conteudo { display: grid; gap: 1.25rem; min-width: 0; }
.ajuda-secao { scroll-margin-top: 5rem; }
.ajuda-secao h2 { font-size: 1.25rem; color: var(--cyan-bright); }
.ajuda-secao h3 { font-size: 1.05rem; margin-top: 1rem; }
.ajuda-secao ul, .ajuda-secao ol { padding-left: 1.25rem; }
.ajuda-secao li { margin-bottom: 0.5rem; }
.lista-passos { counter-reset: passo; list-style: none; padding-left: 0 !important; }
.lista-passos li { counter-increment: passo; position: relative; padding-left: 2.6rem; }
.lista-passos li::before { content: counter(passo); position: absolute; left: 0; top: -0.1rem; width: 1.9rem; height: 1.9rem; display: grid; place-items: center; border-radius: 50%; background: var(--btn-gradient); font-family: var(--font-display); font-weight: 800; font-size: 0.85rem; }
.atalhos { list-style: none; padding-left: 0 !important; display: grid; gap: 0.5rem; }
kbd { display: inline-block; min-width: 1.7em; padding: 0.05em 0.5em; text-align: center; font: 600 0.85em/1.5 "Segoe UI", system-ui, sans-serif; color: var(--white); background: var(--ink); border: 1px solid var(--blue-deep); border-bottom-width: 3px; border-radius: 7px; }
details { border-top: 1px solid var(--line); padding: 0.15rem 0; }
details:first-of-type { border-top: 0; }
summary { cursor: pointer; padding: 0.7rem 0.2rem; font-weight: 600; list-style: none; display: flex; align-items: center; gap: 0.6rem; }
summary::-webkit-details-marker { display: none; }
summary::before { content: ""; flex: none; width: 0.55rem; height: 0.55rem; border-right: 2px solid var(--cyan-bright); border-bottom: 2px solid var(--cyan-bright); transform: rotate(-45deg); transition: transform 0.15s; }
details[open] > summary::before { transform: rotate(45deg); }
details > p { margin: 0 0 0.7rem 1.2rem; color: var(--muted); }
@media (min-width: 900px) {
  .ajuda-layout { grid-template-columns: 15rem minmax(0, 1fr); }
  .ajuda-indice { position: sticky; top: 5rem; }
}

/* Botão "?" de ajuda e menu */
.ajuda-fab { position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); z-index: 40; display: inline-flex; align-items: center; gap: 0.45rem; min-height: 3.25rem; padding: 0.7rem 1.05rem; border-radius: 999px; border: 1px solid var(--cyan); color: var(--white); font: inherit; font-weight: 700; cursor: pointer; background: var(--btn-gradient); box-shadow: 0 8px 28px rgba(0, 104, 252, 0.5), var(--glow); }
.ajuda-fab:hover { filter: brightness(1.12); }
.ajuda-rotulo { display: none; }
@media (min-width: 601px) { .ajuda-rotulo { display: inline; } }
.ajuda-menu { position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: calc(max(1rem, env(safe-area-inset-bottom)) + 4.25rem); z-index: 41; width: min(20rem, calc(100vw - 2rem)); display: grid; padding: 0.4rem; border-radius: var(--radius); border: 1px solid transparent; background: linear-gradient(180deg, var(--navy), var(--ink)) padding-box, var(--card-border) border-box; box-shadow: 0 16px 50px rgba(0, 0, 0, 0.7), var(--glow); }
.ajuda-item { display: flex; align-items: center; gap: 0.7rem; width: 100%; padding: 0.8rem 0.9rem; border: 0; border-radius: 10px; background: none; color: var(--white); font: inherit; text-align: left; text-decoration: none; cursor: pointer; }
.ajuda-item:hover, .ajuda-item:focus-visible { background: var(--royal); color: var(--white); }
.ajuda-item .icone { color: var(--cyan-bright); }
body:has(.update-banner) .ajuda-fab { display: none; } /* o aviso de atualização tem prioridade sobre o botão de ajuda */

/* Tutorial: tour e boas-vindas */
.tour-root { position: fixed; inset: 0; z-index: 100; }
.tour-modal { display: grid; place-items: center; padding: 1rem; background: rgba(0, 0, 0, 0.78); backdrop-filter: blur(3px); }
.tour-spot { position: fixed; z-index: 101; border-radius: 14px; box-shadow: 0 0 0 100vmax rgba(0, 4, 14, 0.78), 0 0 0 3px var(--cyan-bright), 0 0 26px 4px rgba(1, 214, 252, 0.55); pointer-events: none; transition: left 0.2s, top 0.2s, width 0.2s, height 0.2s; }
.tour-card { position: fixed; z-index: 102; width: min(24rem, calc(100vw - 1.5rem)); padding: 1.15rem 1.25rem; border-radius: var(--radius); color: var(--white); border: 1px solid transparent; background: linear-gradient(180deg, var(--navy), var(--ink)) padding-box, var(--q-gradient) border-box; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.75), var(--glow); }
.tour-card h2 { font-size: 1.15rem; margin: 0.15rem 0 0.5rem; color: var(--white); }
.tour-card p { margin: 0 0 0.75rem; }
.tour-passo { color: var(--cyan-bright); font-size: 0.8rem; letter-spacing: 1.5px; text-transform: uppercase; font-weight: 700; }
.tour-card-grande { position: relative; width: min(30rem, 100%); text-align: center; padding: 1.75rem 1.5rem 1.4rem; }
.tour-card-grande h2 { font-size: 1.4rem; }
.tour-icone { width: 5rem; height: 5rem; margin: 0 auto 0.75rem; display: grid; place-items: center; color: var(--cyan-bright); border-radius: 50%; background: radial-gradient(circle, rgba(1, 214, 252, 0.22), rgba(4, 40, 114, 0.5)); box-shadow: inset 0 0 0 1px var(--line), var(--glow); }
.tour-dots { display: flex; gap: 0.4rem; justify-content: center; margin: 0.25rem 0 1rem; }
.tour-dots span { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--royal); }
.tour-dots span.done { background: var(--azure); }
.tour-dots span.on { background: var(--cyan-bright); box-shadow: 0 0 10px var(--cyan); width: 1.4rem; border-radius: 999px; }
.tour-acoes { display: flex; gap: 0.6rem; justify-content: flex-end; flex-wrap: wrap; }
.tour-card-grande .tour-acoes { justify-content: center; }
@media (max-width: 640px) { .tour-card:not(.tour-card-grande) .tour-acoes .btn { flex: 1 1 auto; } }

/* ============================================================================================
   Aparelhos: telas sensíveis ao toque, tablet, celular deitado, monitores grandes e TV
   ============================================================================================ */

/* Alvos de toque de pelo menos 44px onde o dedo é o ponteiro */
@media (pointer: coarse) {
  .btn, .chip, .tab, .nav-links a, .nav-links button, .ajuda-item, summary { min-height: 2.75rem; }
  .btn.small { min-height: 2.75rem; }
  .field input, .field select, .field textarea, .toolbar input { min-height: 3rem; }
  .option { min-height: 3.25rem; }
  .nav-links a, .nav-links button { display: inline-flex; align-items: center; }
}

/* Celular: o menu quebra em linhas, para todos os itens ficarem visiveis (nada cortado nas bordas) */
@media (max-width: 640px) {
  .nav { position: static; } /* menu de duas linhas: nao fica fixo, para nao ocupar a tela */
  .nav-inner { gap: 6px 12px; }
  .nav-links { flex: 1 0 100%; margin-left: 0; flex-wrap: wrap; gap: 4px; }
  .nav-links a, .nav-links button { padding: 0.5rem 0.65rem; font-size: 0.95rem; }
  .nav-links .btn { padding: 0.45rem 0.8rem; }
  .actions .btn { flex: 1 1 100%; text-align: center; }
  main { padding-bottom: 5.5rem; }
  footer { padding-bottom: 5.5rem; }
  .ajuda-fab { min-height: 3rem; padding: 0.6rem; }
  img, table, pre { max-width: 100%; }
}
}

/* Tablet (vertical e horizontal) */
@media (min-width: 641px) and (max-width: 1180px) {
  main { padding-top: 1.75rem; }
  .nav-links a, .nav-links button { padding: 0.6rem 0.9rem; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); gap: 1.1rem; }
  .question { font-size: 1.45rem; }
  .option { padding: 1rem 1.25rem; font-size: 1.05rem; }
  #stage { max-width: 51rem; margin: 0 auto; }
  .card { padding: 1.4rem; }
}

/* Celular deitado: pouca altura */
@media (max-height: 520px) and (orientation: landscape) {
  .nav { position: static; }
  .hero { padding-top: 0.5rem; }
  .hero-logo img { width: min(9rem, 30vh); }
  .hero h1 { margin-top: 0.75rem; }
  .auth-logo { width: 5rem; height: 5rem; margin-bottom: 0.5rem; }
  .auth-card h1 { margin-bottom: 0.75rem; }
  .tour-card { max-height: calc(100vh - 1.5rem); overflow-y: auto; }
  .tour-icone { width: 3rem; height: 3rem; }
  .tour-icone .icone { width: 26px; height: 26px; }
}

/* Monitores grandes: tudo cresce junto (as medidas do site estão em rem) */
@media (min-width: 1500px) { html { font-size: 112.5%; } }
@media (min-width: 1900px) { html { font-size: 137.5%; } }
@media (min-width: 2500px) { html { font-size: 187.5%; } }

/* TV: letras grandes, foco bem visível para o controle remoto e margem de segurança contra o corte de bordas (overscan) */
html[data-dispositivo="tv"] { font-size: 125%; }
@media (min-width: 1900px) { html[data-dispositivo="tv"] { font-size: 150%; } }
@media (min-width: 2500px) { html[data-dispositivo="tv"] { font-size: 200%; } }
html[data-dispositivo="tv"] body { padding: 1.5vh 2vw; }
html[data-dispositivo="tv"] :focus-visible { outline: 4px solid var(--white); outline-offset: 3px; box-shadow: 0 0 0 7px var(--blue), 0 0 30px 8px rgba(1, 214, 252, 0.6); border-radius: 12px; }
html[data-dispositivo="tv"] .btn:focus-visible, html[data-dispositivo="tv"] .chip:focus-visible, html[data-dispositivo="tv"] .option:focus-visible { transform: scale(1.04); }
html[data-dispositivo="tv"] .install-btn { display: none; }
html[data-dispositivo="tv"] .nav { position: static; }

@media print { .ajuda-fab, .ajuda-menu, .tour-root, .dica.no-print { display: none !important; } }

/* Aviso de atualização com o resumo do que mudou */
.update-banner { width: min(48rem, calc(100vw - 1.5rem)); flex-direction: column; align-items: stretch; text-align: left; max-height: calc(100vh - 2rem); overflow-y: auto; }
.update-linha { display: flex; align-items: center; gap: 0.6rem 0.8rem; flex-wrap: wrap; justify-content: center; }
.update-linha .icone { color: var(--cyan-bright); }
.update-lista { margin: 0.6rem 0 0; padding-left: 1.2rem; color: var(--muted); font-size: 0.92rem; }
.update-lista li { margin-bottom: 0.25rem; }

/* Cartão Novidades */
.novidade-item { margin-bottom: 1rem; }
.novidade-item:last-child { margin-bottom: 0; }
.novidade-item ul { margin: 0.35rem 0 0; padding-left: 1.2rem; }
.novidade-item li { margin-bottom: 0.3rem; }