/* =========================================================================
   DP-FGV — Design tokens
   Paleta: fundo claro / papel; azul-marinho profundo como cor principal;
   âmbar para alerta; vermelho para pegadinha perigosa; verde para "atenção:
   consistente". Tipografia: serifada acadêmica para display (Newsreader),
   Inter para corpo, JetBrains Mono para rótulos técnicos/tags de norma.
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600;6..72,700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --navy-900: #0d1b30;
  --navy-800: #102542;
  --navy-700: #16345c;
  --navy-600: #1f4573;
  --paper: #f6f2ea;
  --paper-2: #efe9dc;
  --ink: #1b1f27;
  --ink-soft: #4d5566;
  --line: #ddd3bf;

  --amber: #e6952b;
  --amber-ink: #7a4c0c;
  --red: #c43c3a;
  --red-bg: #fbe6e3;
  --green: #2f7a4f;
  --green-bg: #e4f2e7;
  --blue-bg: #e6edf6;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;

  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --shadow-card: 0 1px 2px rgba(13,27,48,.06), 0 8px 24px -12px rgba(13,27,48,.18);

  color-scheme: light;
}

[data-theme="dark"] {
  color-scheme: dark;
  --paper: #0f1521;
  --paper-2: #141c2b;
  --ink: #eae6da;
  --ink-soft: #a9b0c2;
  --line: #263149;
  --navy-900: #eae6da;
  --blue-bg: #16233a;
  --red-bg: #3a1f20;
  --green-bg: #142c22;
  --shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 12px 30px -14px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  transition: background .2s ease, color .2s ease;
}
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; }
button { font-family: inherit; }
.mono { font-family: var(--font-mono); letter-spacing: .01em; }

/* ---------- App shell ---------- */
#app {
  max-width: 960px;
  margin: 0 auto;
  min-height: 100%;
  padding-bottom: 92px;
}

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.topbar .brand { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.topbar .brand img { width: 34px; height: 34px; border-radius: 9px; }
.topbar .brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.topbar .brand-text b { font-family: var(--font-display); font-size: 17px; }
.topbar .brand-text span { font-size: 10.5px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .08em; }
.topbar .actions { display: flex; gap: 8px; align-items: center; }

.icon-btn {
  border: 1px solid var(--line); background: var(--paper-2); color: var(--ink);
  border-radius: 999px; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 16px;
}
.icon-btn:hover { border-color: var(--navy-600); }

main { padding: 18px; }

/* ---------- Bottom nav (mobile) ---------- */
.bottom-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: flex; justify-content: space-around;
  background: var(--paper); border-top: 1px solid var(--line);
  padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
  max-width: 960px; margin: 0 auto;
}
.bottom-nav button {
  background: none; border: none; color: var(--ink-soft);
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  font-size: 10.5px; padding: 4px 8px; border-radius: 10px; cursor: pointer;
}
.bottom-nav button .ic { font-size: 19px; }
.bottom-nav button.active { color: var(--navy-700); }
[data-theme="dark"] .bottom-nav button.active { color: var(--amber); }
.bottom-nav button.active .ic { transform: translateY(-1px); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  color: #f3efe4;
  border-radius: var(--radius-l);
  padding: 28px 22px 22px;
  position: relative;
  overflow: hidden;
  margin-bottom: 18px;
}
.hero .eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: #e6952b; margin-bottom: 8px; display: block;
}
.hero h1 { font-size: clamp(26px, 5vw, 34px); font-weight: 600; color: #fff; max-width: 20ch; }
.hero p.sub { margin-top: 10px; color: #cfd6e6; font-size: 15px; max-width: 42ch; }
.hero .frase {
  margin-top: 18px; font-family: var(--font-display); font-style: italic; font-size: 15px;
  color: #f3efe4; border-left: 3px solid var(--amber); padding-left: 12px;
}
.hero-annot {
  margin-top: 18px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-m); padding: 12px 14px; font-size: 13.5px; line-height: 1.55;
}
.hero-annot .trap { text-decoration: underline wavy var(--amber); text-decoration-thickness: 1.5px; }
.hero-annot .neg { color: var(--red); font-weight: 600; }

/* ---------- Cards / grid ---------- */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 16px 14px; cursor: pointer; text-align: left;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; gap: 8px;
  transition: transform .12s ease, border-color .12s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--navy-600); }
.card .ic { font-size: 22px; }
.card b { font-size: 14.5px; font-family: var(--font-body); font-weight: 600; }
.card span.desc { font-size: 12px; color: var(--ink-soft); }

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 0; }
@media (min-width: 640px) { .stat-row { grid-template-columns: repeat(6, 1fr); } }
.stat {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-s);
  padding: 10px 8px; text-align: center;
}
.stat b { display: block; font-family: var(--font-display); font-size: 20px; }
.stat span { font-size: 10.5px; color: var(--ink-soft); }

.section-title {
  font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft);
  margin: 26px 0 10px; display: flex; align-items: center; gap: 8px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  font-weight: 600; font-size: 14px; padding: 11px 18px;
}
.btn-primary { background: var(--navy-700); color: #fff; }
.btn-primary:hover { background: var(--navy-600); }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--navy-600); }
.btn-amber { background: var(--amber); color: #29190a; }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 12px; font-size: 12.5px; }

/* ---------- Forms ---------- */
label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 6px; color: var(--ink-soft); }
textarea, input[type="text"], input[type="number"], select {
  width: 100%; border: 1px solid var(--line); background: var(--paper);
  border-radius: var(--radius-s); padding: 10px 12px; font-family: var(--font-body);
  font-size: 14px; color: var(--ink); resize: vertical;
}
textarea:focus, input:focus, select:focus { outline: 2px solid var(--navy-600); outline-offset: 1px; }
.field { margin-bottom: 14px; }
.alt-row { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 8px; }
.alt-letter {
  flex: 0 0 34px; height: 40px; border-radius: var(--radius-s); background: var(--navy-700); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-family: var(--font-mono);
}

/* ---------- Panels / alerts ---------- */
.panel { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 16px; margin-bottom: 14px; }
.panel h3 { font-size: 16px; margin-bottom: 8px; }
.divider { border-top: 1px dashed var(--line); margin: 14px 0; }

.alert { border-radius: var(--radius-s); padding: 12px 14px; font-size: 13.5px; line-height: 1.5; margin-bottom: 10px; border: 1px solid; }
.alert-amber { background: #fdf1de; border-color: #f0cf9c; color: var(--amber-ink); }
.alert-red { background: var(--red-bg); border-color: #e6a6a3; color: var(--red); }
.alert-green { background: var(--green-bg); border-color: #a9d3b6; color: var(--green); }
.alert-blue { background: var(--blue-bg); border-color: #b7c7e2; color: var(--navy-700); }
[data-theme="dark"] .alert-blue { color: #cfe0ff; }
.alert b { display: block; margin-bottom: 3px; }

.badge {
  display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 700;
  padding: 3px 9px; border-radius: 999px; font-family: var(--font-mono);
}
.badge-baixo { background: var(--green-bg); color: var(--green); }
.badge-medio { background: #fdf1de; color: var(--amber-ink); }
.badge-alto { background: #fbe3c9; color: #8a4b0c; }
.badge-muito-alto { background: var(--red-bg); color: var(--red); }

.chip {
  display: inline-block; font-size: 11.5px; padding: 4px 10px; border-radius: 999px;
  background: var(--blue-bg); color: var(--navy-700); margin: 2px 4px 2px 0; border: 1px solid var(--line);
}
[data-theme="dark"] .chip { color: #cfe0ff; }

/* ---------- Dictionary entries ---------- */
.dict-entry { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 16px; margin-bottom: 12px; }
.dict-entry .head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.dict-entry h4 { font-size: 16.5px; }
.dict-entry .cat { font-size: 11.5px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; margin-top: 3px; }
.dict-entry .body { margin-top: 10px; font-size: 13.5px; line-height: 1.6; color: var(--ink); display: none; }
.dict-entry.open .body { display: block; }
.dict-entry .body h5 { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); margin: 10px 0 4px; }
.fav-btn { background: none; border: none; cursor: pointer; font-size: 19px; color: var(--ink-soft); }
.fav-btn.active { color: var(--amber); }

/* ---------- Question card (training/simulado/prova) ---------- */
.q-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 18px; }
.q-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.q-enunciado { font-size: 15px; line-height: 1.65; white-space: pre-wrap; margin-bottom: 14px; }
.opt {
  display: flex; gap: 10px; align-items: flex-start; padding: 12px; border: 1px solid var(--line);
  border-radius: var(--radius-s); margin-bottom: 8px; cursor: pointer; background: var(--paper);
}
.opt:hover { border-color: var(--navy-600); }
.opt.selected { border-color: var(--navy-700); background: var(--blue-bg); }
.opt.correct { border-color: var(--green); background: var(--green-bg); }
.opt.incorrect { border-color: var(--red); background: var(--red-bg); }
.opt .letter { font-family: var(--font-mono); font-weight: 700; flex: 0 0 22px; }

.checklist label { display: flex; align-items: center; gap: 8px; font-weight: 400; font-size: 13.5px; color: var(--ink); margin-bottom: 8px; cursor: pointer; }
.checklist input { width: 16px; height: 16px; }

.timer { font-family: var(--font-mono); font-size: 13px; color: var(--ink-soft); }

.progress-bar { height: 8px; border-radius: 99px; background: var(--paper); border: 1px solid var(--line); overflow: hidden; }
.progress-bar > div { height: 100%; background: var(--navy-700); }
[data-theme="dark"] .progress-bar > div { background: var(--amber); }

.empty-state { text-align: center; padding: 40px 16px; color: var(--ink-soft); }
.empty-state .ic { font-size: 34px; margin-bottom: 8px; }

.two-col { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 720px) { .two-col { grid-template-columns: 1.3fr .9fr; } }

table.norm-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 10px 0; }
table.norm-table th, table.norm-table td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
table.norm-table th { background: var(--paper); font-family: var(--font-mono); font-size: 11.5px; text-transform: uppercase; }

.search-bar { display: flex; gap: 8px; margin-bottom: 14px; }
.search-bar input { flex: 1; }

.tag-filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tag-filters button {
  border: 1px solid var(--line); background: var(--paper-2); color: var(--ink-soft);
  border-radius: 999px; padding: 6px 12px; font-size: 12px; cursor: pointer;
}
.tag-filters button.active { background: var(--navy-700); color: #fff; border-color: var(--navy-700); }

.footer-note { font-size: 11.5px; color: var(--ink-soft); text-align: center; margin: 28px 0 8px; line-height: 1.6; }

.toast {
  position: fixed; bottom: 100px; left: 50%; transform: translateX(-50%);
  background: var(--navy-900); color: #fff; padding: 10px 18px; border-radius: 999px;
  font-size: 13px; z-index: 50; box-shadow: var(--shadow-card);
}
[data-theme="dark"] .toast { background: var(--amber); color: #29190a; }

.upload-zone {
  border: 2px dashed var(--line); border-radius: var(--radius-m); padding: 30px 16px; text-align: center;
  cursor: pointer; color: var(--ink-soft); background: var(--paper-2);
}
.upload-zone:hover { border-color: var(--navy-600); }

.install-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--blue-bg); border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 12px 14px; margin-bottom: 16px; font-size: 13px;
}

@media (min-width: 780px) {
  .bottom-nav { display: none; }
  #app { padding-bottom: 24px; }
}