/* ============================================================
   Dossiê de Estudo — identidade visual
   Paleta: sala de situação (carvão/azul-noturno) + ficha índice
   (papel envelhecido) + carimbos de correção (âmbar/verde/vermelho)
   ============================================================ */

:root {
  --bg-deep: #14171B;
  --bg-panel: #1C2126;
  --bg-panel-2: #21262C;
  --line: #33393F;
  --paper: #EDE7D8;
  --paper-shadow: #D9D0BA;
  --ink: #211E17;
  --ink-soft: #514C3E;
  --amber: #C89B3C;
  --amber-soft: #8A6A24;
  --green: #5B8C5A;
  --red: #A63D40;
  --text-light: #E8E3D3;
  --text-dim: #9CA3A8;

  --font-display: 'Bitter', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg-deep);
  background-image:
    linear-gradient(var(--bg-deep), var(--bg-deep)),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 3px);
  color: var(--text-light);
  font-family: var(--font-body);
  min-height: 100vh;
}

.mono { font-family: var(--font-mono); }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 28px 32px 18px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
  gap: 12px;
}
.classif {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 6px;
}
.topbar h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  margin: 0;
  color: var(--text-light);
}
.topbar h1 .mono {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-dim);
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.usuario-tag {
  font-size: 12px;
  color: var(--text-dim);
}
.btn-sair {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-light);
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 2px;
  text-decoration: none;
  transition: border-color .15s, color .15s;
}
.btn-sair:hover { border-color: var(--amber); color: var(--amber); }

/* ---------- Layout ---------- */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 36px 24px 60px;
}

/* ---------- Painel inicial ---------- */
.painel-controle {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.painel-esq, .painel-dir {
  background: var(--bg-panel);
  padding: 28px;
}
.painel-controle h2 {
  font-family: var(--font-display);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber);
  margin: 0 0 20px;
}
.opcoes { display: flex; flex-direction: column; gap: 18px; margin-bottom: 26px; }
.opcao-grupo { display: flex; flex-direction: column; gap: 8px; }
.rotulo {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.toggle-pill {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  width: fit-content;
}
.pill-btn {
  background: var(--bg-panel-2);
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 9px 16px;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.pill-btn.active { background: var(--amber); color: #1A1508; font-weight: 600; }
.select-tema {
  background: var(--bg-panel-2);
  color: var(--text-light);
  border: 1px solid var(--line);
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  border-radius: 3px;
  width: fit-content;
  max-width: 100%;
}

.btn-primario {
  background: var(--amber);
  color: #1A1508;
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: 3px;
  cursor: pointer;
  transition: background .15s, transform .1s;
}
.btn-primario:hover { background: #DBAE4C; }
.btn-primario:active { transform: translateY(1px); }

.stats-grid { display: flex; gap: 10px; margin-bottom: 22px; }
.stat-box {
  flex: 1;
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  padding: 16px 10px;
  text-align: center;
  border-radius: 3px;
}
.stat-box.destaque { border-color: var(--amber-soft); }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
}
.stat-box.destaque .stat-num { color: var(--amber); }
.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: 4px;
}
.btn-texto {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}
.btn-texto:hover { color: var(--amber); }

/* ---------- Sala de cartões ---------- */
.sala-cartoes { margin-top: 8px; }
.lote-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}
#lote-info { font-size: 12px; color: var(--amber); letter-spacing: 0.05em; }
.lote-botoes { display: flex; gap: 6px; flex-wrap: wrap; }
.lote-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  color: var(--text-dim);
  padding: 6px 10px;
  border-radius: 2px;
  cursor: pointer;
}
.lote-btn.active { border-color: var(--amber); color: var(--amber); }

.progresso-barra {
  height: 4px;
  background: var(--bg-panel-2);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 28px;
}
.progresso-preenchido {
  height: 100%;
  background: var(--amber);
  width: 0%;
  transition: width .25s ease;
}

.palco-carta {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-carta {
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  color: var(--text-light);
  font-size: 22px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color .15s;
}
.nav-carta:hover { border-color: var(--amber); }
.nav-carta:disabled { opacity: 0.3; cursor: default; }

.carta {
  perspective: 1600px;
  flex: 1;
  height: 380px;
  position: relative;
}
.carta-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform .5s cubic-bezier(.4,.2,.2,1);
  transform-style: preserve-3d;
  cursor: pointer;
}
.carta.virada .carta-inner { transform: rotateY(180deg); }

.carta-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  background: var(--paper);
  color: var(--ink);
  border-radius: 4px;
  box-shadow: 0 10px 0 -4px var(--paper-shadow), 0 18px 30px rgba(0,0,0,0.35);
  padding: 34px 36px;
  display: flex;
  flex-direction: column;
}
.carta-verso { transform: rotateY(180deg); }

.carta-topo {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.carta-tema {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber-soft);
  text-transform: uppercase;
}
.carta-num {
  font-size: 11px;
  color: var(--ink-soft);
}
.carta-parte {
  display: inline-block;
  align-self: flex-start;
  margin-top: 12px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
  border: 1px solid currentColor;
}
.carta-parte[data-parte="Introdução"] { color: #3E6B8A; }
.carta-parte[data-parte="Desenvolvimento"] { color: var(--amber-soft); }
.carta-parte[data-parte="Conclusão"] { color: #5B7A3A; }
.carta-pergunta {
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.4;
  font-weight: 600;
  margin: auto 0;
  padding-right: 10px;
}
.carta-resposta {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  margin: 14px 0 auto;
}
.carta-dica {
  font-size: 10px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  align-self: flex-end;
}
.carta-julgamento {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.btn-julgar {
  flex: 1;
  padding: 12px;
  border-radius: 3px;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn-errei { background: rgba(166,61,64,0.12); color: var(--red); border-color: rgba(166,61,64,0.4); }
.btn-errei:hover { background: rgba(166,61,64,0.22); }
.btn-acertei { background: rgba(91,140,90,0.14); color: var(--green); border-color: rgba(91,140,90,0.4); }
.btn-acertei:hover { background: rgba(91,140,90,0.24); }

.carimbo {
  position: absolute;
  top: 40%;
  left: 50%;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 30px;
  letter-spacing: 0.06em;
  padding: 6px 18px;
  border: 4px solid currentColor;
  border-radius: 6px;
  transform: translate(-50%,-50%) rotate(-14deg) scale(0);
  opacity: 0;
  pointer-events: none;
  transition: transform .25s ease, opacity .25s ease;
  z-index: 5;
}
.carimbo-certo { color: var(--green); }
.carimbo-errado { color: var(--red); }
.carimbo.mostrar { transform: translate(-50%,-50%) rotate(-14deg) scale(1); opacity: 0.88; }

/* ---------- Rodapé ---------- */
.rodape {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  padding: 30px 0 40px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}

/* ---------- Login ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-wrap { width: 380px; max-width: 90vw; }
.folder-tab {
  background: var(--amber);
  color: #1A1508;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  width: fit-content;
  border-radius: 3px 3px 0 0;
}
.login-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 32px;
}
.login-card h1 {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 6px 0 4px;
}
.login-card .sub { color: var(--text-dim); font-size: 13px; margin: 0 0 22px; }
.alerta {
  background: rgba(166,61,64,0.15);
  border: 1px solid rgba(166,61,64,0.4);
  color: #E39EA0;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 3px;
  margin-bottom: 16px;
}
.login-card label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.login-card input {
  width: 100%;
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  color: var(--text-light);
  padding: 11px 12px;
  border-radius: 3px;
  margin-bottom: 18px;
  font-family: var(--font-body);
  font-size: 14px;
}
.login-card button {
  width: 100%;
  background: var(--amber);
  color: #1A1508;
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  padding: 12px;
  border-radius: 3px;
  cursor: pointer;
}
.rodape-login {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 18px;
}

/* ---------- Responsivo ---------- */
@media (max-width: 640px) {
  .painel-controle { grid-template-columns: 1fr; }
  .carta { height: 440px; }
  .carta-pergunta { font-size: 20px; }
  .palco-carta { gap: 8px; }
  .nav-carta { width: 34px; height: 34px; font-size: 18px; }
  .topbar { padding: 20px 18px 14px; }
  .container { padding: 24px 16px 50px; }
}