/* Prepara TEOT · Straloo — tokens semânticos (nomes palpatine).
   TODO: palpatine — substituir os valores abaixo pelos tokens oficiais de
   packages/ui/globals.css quando o repo estiver acessível neste workspace. */
:root {
  --brand-primary: #0a5ae0;
  --brand-secondary: #0847b0;
  --surface-1: #ffffff;
  --surface-2: #f6f8fb;
  --surface-3: #eef2f7;
  --text-primary: #101828;
  --text-secondary: #475467;
  --text-tertiary: #98a2b3;
  --success: #12b76a;
  --warning: #b54708;
  --warning-bg: #fffaeb;
  --error: #d92d20;
  --error-bg: #fef3f2;
  --info: #175cd3;
  --info-bg: #eff8ff;
  --success-bg: #ecfdf3;
  --border-subtle: #e4e7ec;
  --border-strong: #d0d5dd;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --shadow-card: 0 1px 3px rgba(16, 24, 40, 0.08);
  --shadow-elevated: 0 8px 24px rgba(16, 24, 40, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: var(--surface-2);
  line-height: 1.55;
}
.container { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

h1 { font-size: 1.7rem; line-height: 1.25; margin: 1.2em 0 0.4em; }
h2 { font-size: 1.25rem; margin: 1.6em 0 0.5em; }
h3 { font-size: 1.05rem; margin: 0.2em 0 0.5em; }
a { color: var(--brand-primary); }
ul, ol { padding-left: 1.3em; }
li { margin: 0.3em 0; }

.overline {
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.72rem;
  color: var(--text-tertiary); margin: 0 0 0.4em; font-weight: 600;
}
.lead { color: var(--text-secondary); font-size: 1.02rem; }
.text-secondary { color: var(--text-secondary); font-size: 0.92rem; }

/* Topbar */
.topbar {
  background: var(--surface-1);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky; top: 0; z-index: 20;
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
.logo { font-weight: 700; font-size: 1.05rem; color: var(--text-primary); text-decoration: none; }
.logo-sub { display: block; font-weight: 500; font-size: 0.72rem; color: var(--brand-primary); }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  text-decoration: none; color: var(--text-secondary); font-size: 0.9rem;
  padding: 6px 10px; border-radius: var(--radius-md);
}
.nav a:hover { background: var(--surface-3); }
.nav a.active { color: var(--brand-primary); background: var(--info-bg); font-weight: 600; }

/* Views */
.view { padding-bottom: 48px; }

/* Cards / grids */
.card {
  background: var(--surface-1); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
  padding: 20px; margin: 12px 0;
}
.grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.grid-2 .card, .grid-3 .card { margin: 0; }

/* Hero + countdown */
.hero { margin-top: 20px; padding: 28px; }
.countdowns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.countdown {
  flex: 1 1 240px; background: var(--surface-2);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 14px 16px;
}
.countdown-label { margin: 0; font-size: 0.8rem; color: var(--text-secondary); }
.countdown-value { margin: 2px 0; font-size: 1.5rem; font-weight: 700; color: var(--brand-primary); }
.countdown-date { margin: 0; font-size: 0.8rem; color: var(--text-tertiary); }

/* Stats */
.stat-value { font-size: 1.6rem; font-weight: 700; margin: 0; color: var(--brand-primary); }
.stat-label { margin: 4px 0 0; color: var(--text-secondary); font-size: 0.9rem; }

/* Alerts */
.alert { border-radius: var(--radius-lg); padding: 14px 16px; margin: 14px 0; font-size: 0.95rem; border: 1px solid; }
.alert-warning { background: var(--warning-bg); border-color: #fedf89; color: var(--warning); }
.alert-info { background: var(--info-bg); border-color: #b2ddff; color: var(--info); }
.alert-success { background: var(--success-bg); border-color: #a6f4c5; color: #027a48; }
.alert-error { background: var(--error-bg); border-color: #fecdca; color: var(--error); }

/* Buttons */
.btn {
  display: inline-block; border: none; cursor: pointer; text-decoration: none;
  font-size: 0.95rem; font-weight: 600; border-radius: var(--radius-md);
  padding: 10px 18px; transition: background 0.15s;
}
.btn-primary { background: var(--brand-primary); color: #fff; }
.btn-primary:hover { background: var(--brand-secondary); }
.btn-secondary { background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border-strong); }
.btn-secondary:hover { background: var(--surface-3); }
.btn-ghost { background: transparent; color: var(--brand-primary); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Tables */
table { border-collapse: collapse; width: 100%; background: var(--surface-1); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); font-size: 0.92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border-subtle); }
th { background: var(--surface-3); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-secondary); }
tr:last-child td { border-bottom: none; }

/* Badges */
.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 600;
  border-radius: 999px; padding: 2px 10px; margin-right: 6px;
}
.badge-tema { background: var(--info-bg); color: var(--info); }
.badge-facil { background: var(--success-bg); color: #027a48; }
.badge-media { background: var(--warning-bg); color: var(--warning); }
.badge-dificil { background: var(--error-bg); color: var(--error); }

/* Área cards */
.area-card { display: flex; flex-direction: column; gap: 8px; }
.area-card h3 { margin: 0; font-size: 1rem; }
.area-meta { color: var(--text-secondary); font-size: 0.85rem; margin: 0; }
.progressbar { height: 6px; background: var(--surface-3); border-radius: 999px; overflow: hidden; }
.progressbar > span { display: block; height: 100%; background: var(--brand-primary); border-radius: 999px; }
.progressbar > span.ok { background: var(--success); }

/* Questão */
.questao-card { padding: 24px; }
.questao-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.enunciado { font-size: 1.02rem; margin: 10px 0 16px; white-space: pre-line; }
.alternativas { display: flex; flex-direction: column; gap: 8px; }
.alternativa {
  text-align: left; background: var(--surface-1); border: 1px solid var(--border-strong);
  border-radius: var(--radius-md); padding: 12px 14px; cursor: pointer; font-size: 0.95rem;
  line-height: 1.45; color: var(--text-primary);
}
.alternativa:hover:not(:disabled) { border-color: var(--brand-primary); background: var(--info-bg); }
.alternativa.selecionada { border-color: var(--brand-primary); background: var(--info-bg); }
.alternativa.correta { border-color: var(--success); background: var(--success-bg); }
.alternativa.errada { border-color: var(--error); background: var(--error-bg); }
.alternativa:disabled { cursor: default; }
.alternativa .letra { font-weight: 700; margin-right: 8px; }
.comentario { margin-top: 16px; border-top: 1px solid var(--border-subtle); padding-top: 14px; }
.comentario .referencia { color: var(--text-tertiary); font-size: 0.82rem; margin-top: 8px; }

.pratica-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin: 14px 0; }
.pratica-score { color: var(--text-secondary); font-size: 0.9rem; }

/* Simulado */
.sim-toolbar {
  display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--surface-1); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  padding: 10px 16px; margin: 14px 0; position: sticky; top: 64px; z-index: 10; box-shadow: var(--shadow-card);
}
.sim-timer { font-weight: 700; font-size: 1.1rem; color: var(--brand-primary); }
.sim-timer.acabando { color: var(--error); }
.sim-grid { display: flex; flex-wrap: wrap; gap: 4px; margin: 12px 0; }
.sim-grid button {
  width: 34px; height: 30px; font-size: 0.75rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--surface-1); cursor: pointer;
}
.sim-grid button.respondida { background: var(--info-bg); border-color: var(--brand-primary); color: var(--brand-primary); font-weight: 600; }
.sim-grid button.atual { outline: 2px solid var(--brand-primary); }

.footer { background: var(--surface-1); border-top: 1px solid var(--border-subtle); padding: 20px 0 28px; margin-top: 20px; }
.footer p { color: var(--text-tertiary); font-size: 0.82rem; }

@media (max-width: 640px) {
  h1 { font-size: 1.35rem; }
  .hero { padding: 20px; }
  .sim-toolbar { top: 0; position: static; }
}