/* ──────────────────────────────────────────────
   Revisão Geral — IA na Prática · Santa Cruz
   ────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #21262d;
  --text: #e6edf3;
  --muted: #6e7681;
  --accent: #58a6ff;
  --green: #56d364;
  --red: #f85149;
  --orange: #ffa657;
  --yellow: #e3b341;
  --purple: #d2a8ff;
  --header-h: 54px;
  --nav-h: 68px;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ── Header ── */
#header {
  height: var(--header-h);
  flex-shrink: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 16px;
  z-index: 10;
}

#header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
}

#back-btn {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  white-space: nowrap;
  transition: color 0.15s;
}
#back-btn:hover { color: var(--text); }

#header-title {
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
}

#header-badge {
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#step-box {
  display: flex;
  align-items: baseline;
  gap: 3px;
  flex-shrink: 0;
}
#step-label { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; margin-right: 2px; }
#step-val   { font-size: 1.5rem; font-weight: 800; color: var(--accent); line-height: 1; }
#step-total { font-size: 0.8rem; color: var(--muted); }

/* ── Main ── */
#main {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* ── Painel de texto (esquerda) ── */
#text-panel {
  width: 360px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  transition: opacity 0.25s;
}
#text-panel.fading { opacity: 0; }

#step-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

#step-title {
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
}

#step-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #b1bac4;
  white-space: pre-line;
}

/* ── Área de interação ── */
#interaction-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Opções de múltipla escolha */
.option-btn {
  background: rgba(88,166,255,0.06);
  border: 1px solid rgba(88,166,255,0.2);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, border-color 0.15s;
  line-height: 1.4;
}
.option-btn:hover:not(:disabled) {
  background: rgba(88,166,255,0.14);
  border-color: var(--accent);
}
.option-btn:disabled { cursor: default; }
.option-btn.correct  { background: rgba(86,211,100,0.14); border-color: var(--green); color: var(--green); }
.option-btn.wrong    { background: rgba(248,81,73,0.14);  border-color: var(--red);   color: var(--red); }
.option-btn.correct-reveal,
.tag-item.correct-reveal { background: rgba(86,211,100,0.12); border-color: var(--green); color: var(--green); }
.tag-item.correct { background: rgba(86,211,100,0.18); border-color: var(--green); color: var(--green); }
.tag-item.wrong   { background: rgba(248,81,73,0.15);   border-color: var(--red);   color: var(--red); }
.sort-hint {
  font-size: 0.78rem;
  color: var(--red);
  opacity: 0.9;
  margin-top: -4px;
  margin-bottom: 4px;
  padding: 4px 10px 4px 12px;
  font-style: italic;
  border-left: 2px solid var(--red);
  background: rgba(248,81,73,0.06);
  border-radius: 0 6px 6px 0;
}

/* Botão de confirmar */
.confirm-btn {
  background: var(--accent);
  border: none;
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #0d1117;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  margin-top: 4px;
}
.confirm-btn:hover:not(:disabled) { background: #79b8ff; }
.confirm-btn:disabled { opacity: 0.4; cursor: default; }

/* Slider de parâmetro */
.param-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.param-label {
  font-size: 0.8rem;
  color: var(--muted);
  min-width: 110px;
}
.param-slider {
  flex: 1;
  accent-color: var(--accent);
  cursor: pointer;
}
.param-value {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 32px;
  text-align: right;
}

/* Tags de classificação (drag or click) */
.tag-pool {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-item {
  background: rgba(88,166,255,0.1);
  border: 1px solid rgba(88,166,255,0.25);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.8rem;
  color: var(--accent);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  user-select: none;
}
.tag-item:hover { background: rgba(88,166,255,0.2); border-color: var(--accent); }
.tag-item.selected { background: var(--accent); color: #0d1117; border-color: var(--accent); }
.tag-item.disabled { opacity: 0.35; cursor: default; }

.tag-zone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 12px;
  min-height: 52px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  transition: border-color 0.15s;
}
.tag-zone.hover { border-color: var(--accent); }
.tag-zone-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 6px;
}

/* ── Feedback ── */
#feedback-box {
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
  line-height: 1.5;
}
#feedback-box.hidden { display: none; }
#feedback-box.correct {
  background: rgba(86,211,100,0.10);
  border: 1px solid rgba(86,211,100,0.3);
  color: #aff3b8;
}
#feedback-box.wrong {
  background: rgba(248,81,73,0.10);
  border: 1px solid rgba(248,81,73,0.3);
  color: #ffb3af;
}
#feedback-box.info {
  background: rgba(88,166,255,0.08);
  border: 1px solid rgba(88,166,255,0.25);
  color: #b1bac4;
}
#feedback-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ── Header right (score + step) ── */
#header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* ── Score bar (inline no step-box) ── */
#score-bar {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}
#score-bar.hidden { display: none; }
#score-sep   { font-size: 0.8rem; color: var(--muted); }
#score-val   { font-size: 1.5rem; font-weight: 800; color: var(--yellow); line-height: 1; }
#score-label { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }

/* ── Painel visual (direita) ── */
#visual-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

#main-canvas {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

#visual-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none; /* o overlay em si não bloqueia o canvas */
}

#visual-overlay > * {
  pointer-events: auto; /* mas os filhos (sliders, botões) funcionam */
}

/* ── Nav ── */
#nav {
  height: var(--nav-h);
  flex-shrink: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  gap: 16px;
}

#nav button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
}
#nav button:hover:not(:disabled) {
  background: #21262d;
  border-color: var(--accent);
}
#nav button:disabled { opacity: 0.3; cursor: default; }

#btn-next {
  background: var(--accent);
  border-color: var(--accent);
  color: #0d1117;
}
#btn-next:hover:not(:disabled) { background: #79b8ff; border-color: #79b8ff; }
#btn-next:disabled {
  background: var(--surface);
  border-color: var(--border);
  color: var(--muted);
}

#progress-track {
  display: flex;
  align-items: center;
  gap: 5px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

.prog-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.25s, transform 0.25s;
  cursor: pointer;
  flex-shrink: 0;
}
.prog-dot.visited { background: rgba(88,166,255,0.35); }
.prog-dot.active  { background: var(--accent); transform: scale(1.4); }
.prog-dot.answered-correct { background: var(--green); }
.prog-dot.answered-wrong   { background: rgba(248,81,73,0.5); }
.prog-dot.phase-sep {
  width: 1px; height: 14px;
  border-radius: 1px;
  background: var(--border);
  cursor: default;
}


kbd {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.68rem;
  font-family: inherit;
}

/* ── Cartão de resultado final ── */
#final-card {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
  padding: 40px;
}
#final-card.visible { display: flex; }
#final-emoji { font-size: 4rem; }
#final-title { font-size: 1.8rem; font-weight: 900; color: #fff; }
#final-score { font-size: 1.1rem; color: var(--accent); }
#final-subtitle { font-size: 0.9rem; color: var(--muted); max-width: 320px; line-height: 1.6; }

/* ── Quiz Reveal ── */

/* Antes de responder: painel expande para tela inteira, visual some */
#text-panel.reveal-panel-expand {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  border-right: none;
  justify-content: center;
}

#visual-panel.reveal-hidden {
  display: none;
}

#step-tag.reveal-hidden,
#step-title.reveal-hidden,
#step-desc.reveal-hidden {
  display: none;
}

/* Após responder: tag/título/desc entram com fade */
#text-panel.reveal-show #step-tag,
#text-panel.reveal-show #step-title,
#text-panel.reveal-show #step-desc {
  animation: revealFade 0.5s ease forwards;
}

#visual-panel.reveal-show {
  display: flex;
  animation: revealFade 0.5s ease forwards;
}

@keyframes revealFade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 720px) {
  #main { flex-direction: column; }
  #text-panel {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 14px 16px;
    max-height: 55vh;
  }
  #header-badge { display: none; }
}