/* ============================================================
   Simulador Cédula A — hoja de estilos
   Marca: Aldave Oropeza Seguros (AO)
   Paleta oficial: #005256 (tinta), #1BAE92 (turquesa, acento),
   #75E49C / #82C394 (verdes), #D9D9D9 (gris neutro).
   Tipografía oficial: Poppins.
   ============================================================ */

:root {
  --ink: #005256;
  --ink-soft: #0A6E73;
  --ink-faint: #5C8A8C;
  --paper: #FFFFFF;
  --paper-raised: #FFFFFF;
  --paper-sunken: #F4F8F7;
  --accent: #1BAE92;
  --accent-light: #75E49C;
  --accent-sage: #82C394;
  --accent-wash: #E8F7F2;
  --line: #D9D9D9;
  --success: #1BAE92;
  --success-wash: #E8F7F2;
  --warn: #C98A2E;
  --warn-wash: #FBF0DC;
  --danger: #C0453F;
  --danger-wash: #FBEAE9;
  --radius: 12px;
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Poppins', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--ink); }

button {
  font-family: var(--font-body);
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- Utilidades de layout ---------- */
.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 20px 64px;
  background: linear-gradient(180deg, var(--paper-sunken) 0%, var(--paper) 320px);
}

.container-narrow {
  width: 100%;
  max-width: 640px;
}

.container-wide {
  width: 100%;
  max-width: 880px;
}

.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}

/* ---------- Insignia de estado circular (transición / resultado) ---------- */
.sello {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  box-shadow: inset 0 0 0 4px var(--paper), inset 0 0 0 5px var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-align: center;
  line-height: 1.4;
  margin: 0 auto 20px;
  background: var(--paper-raised);
}
.sello strong { font-size: 20px; font-weight: 700; color: var(--ink); letter-spacing: 0; margin-top: 2px; }

/* ---------- Encabezado de marca ---------- */
.brand-logo {
  display: block;
  height: 64px;
  width: auto;
  margin: 0 auto 20px;
}

/* ---------- Tipografía ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  margin: 0 0 8px;
  font-weight: 600;
}
h1 { font-size: 28px; font-weight: 700; }
h2 { font-size: 22px; font-weight: 600; }
h3 { font-size: 17px; font-weight: 600; }
p { line-height: 1.6; color: var(--ink-soft); margin: 0 0 12px; font-weight: 400; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
  display: block;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 15px;
  font-family: var(--font-body);
  transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--ink-soft); }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--line); border-radius: 12px; }
.btn-secondary:hover { background: var(--accent-wash); border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink-faint); border: none; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

/* ---------- Inicio ---------- */
.home-menu { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.home-menu-btn { display: flex; align-items: center; gap: 16px; padding: 16px 20px; text-align: left; border-radius: 14px; }
.menu-icon { font-size: 22px; line-height: 1; flex-shrink: 0; width: 28px; text-align: center; }
.menu-text { display: flex; flex-direction: column; gap: 3px; }
.home-menu .menu-title { display: block; font-weight: 600; font-size: 16px; }
.home-menu .menu-desc { display: block; font-size: 13px; color: var(--ink-faint); font-weight: 400; }

/* ---------- Instrucciones ---------- */
.rules-list { list-style: none; padding: 0; margin: 16px 0; }
.rules-list li {
  padding: 10px 0 10px 28px;
  position: relative;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink-soft);
}
.rules-list li:before {
  content: "";
  position: absolute; left: 0; top: 16px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}

/* ---------- Barra superior del examen ---------- */
.exam-topbar {
  position: sticky; top: 0; z-index: 10;
  background: var(--paper-raised);
  border-bottom: 1px solid var(--line);
  padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap;
}
.exam-topbar .modulo-name { font-family: var(--font-display); font-weight: 600; font-size: 16px; }
.exam-topbar .progreso { font-family: var(--font-mono); font-size: 13px; color: var(--ink-faint); }
.timer {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--accent-wash);
  color: var(--ink);
  letter-spacing: 0.02em;
}
.timer.warn { background: var(--warn-wash); color: var(--warn); }
.timer.danger { background: var(--danger-wash); color: var(--danger); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.55; } }

/* ---------- Cuerpo del examen ---------- */
.exam-body {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 20px 120px;
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 28px;
}
@media (max-width: 760px) {
  .exam-body { grid-template-columns: 1fr; }
}

.tema-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.pregunta-texto { font-size: 18px; line-height: 1.5; color: var(--ink); margin-bottom: 22px; font-weight: 500; }

.opciones { display: flex; flex-direction: column; gap: 10px; }
.opcion {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-raised);
  text-align: left;
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--ink);
  width: 100%;
}
.opcion:hover { border-color: var(--accent-light); background: var(--accent-wash); }
.opcion.selected { border-color: var(--accent); background: var(--accent-wash); box-shadow: 0 0 0 1px var(--accent); }
.opcion .letra {
  font-family: var(--font-mono); font-weight: 700;
  width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; flex-shrink: 0;
}
.opcion.selected .letra { background: var(--accent); border-color: var(--accent); color: white; }

.exam-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 24px; gap: 12px; flex-wrap: wrap; }
.flag-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-family: var(--font-body); color: var(--ink-faint); background: none; border: 1px solid var(--line); padding: 8px 12px; border-radius: 999px; }
.flag-btn.active { color: var(--warn); border-color: var(--warn); background: var(--warn-wash); }

/* ---------- Mapa de preguntas ---------- */
.question-map { position: sticky; top: 90px; }
.question-map h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; font-family: var(--font-mono); color: var(--ink-faint); }
.map-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-top: 10px; }
@media (max-width: 760px) { .map-grid { grid-template-columns: repeat(8, 1fr); } }
.map-cell {
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-faint);
}
.map-cell.answered { background: var(--success-wash); border-color: var(--success); color: var(--success); }
.map-cell.flagged { background: var(--warn-wash); border-color: var(--warn); color: var(--warn); }
.map-cell.current { outline: 2px solid var(--ink); outline-offset: 1px; }
.map-legend { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--ink-faint); }
.map-legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

/* ---------- Resultados ---------- */
.score-hero { text-align: center; margin: 12px 0 28px; }
.score-hero .score-number { font-family: var(--font-mono); font-size: 56px; font-weight: 700; color: var(--ink); }
.score-hero .score-label { color: var(--ink-faint); font-size: 14px; }
.score-badge { display: inline-block; margin-top: 10px; padding: 5px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.score-badge.pass { background: var(--success-wash); color: var(--success); }
.score-badge.fail { background: var(--danger-wash); color: var(--danger); }

.modulo-scores { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 20px 0; }
.modulo-score-card { border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.modulo-score-card .num { font-family: var(--font-mono); font-size: 24px; font-weight: 700; }
.modulo-score-card .label { font-size: 12px; color: var(--ink-faint); margin-top: 2px; }

.topic-priority-list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.topic-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; gap: 12px; }
.topic-row .topic-name { font-size: 14px; }
.topic-row .topic-sub { font-size: 12px; color: var(--ink-faint); }
.priority-chip { font-family: var(--font-mono); font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.priority-chip.alta { background: var(--danger-wash); color: var(--danger); }
.priority-chip.media { background: var(--warn-wash); color: var(--warn); }
.priority-chip.en_proceso { background: var(--accent-wash); color: var(--accent); }
.priority-chip.dominado { background: var(--success-wash); color: var(--success); }

/* ---------- Revisión ---------- */
.review-item { border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 12px; }
.review-item.correct { border-left: 4px solid var(--success); }
.review-item.incorrect { border-left: 4px solid var(--danger); }
.review-option { padding: 8px 10px; border-radius: 8px; font-size: 14px; margin-top: 4px; }
.review-option.is-correct { background: var(--success-wash); color: var(--success); font-weight: 600; }
.review-option.is-selected-wrong { background: var(--danger-wash); color: var(--danger); text-decoration: line-through; }

/* ---------- Historial ---------- */
.history-table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
.history-table th, .history-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.history-table th { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; color: var(--ink-faint); letter-spacing: 0.04em; }
.history-table td.score { font-family: var(--font-mono); font-weight: 700; }

/* ---------- Modal de confirmación ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,82,86,0.45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.modal-box { background: var(--paper-raised); border-radius: var(--radius); padding: 26px; max-width: 420px; width: 100%; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--ink-faint); }

.loading-state { text-align: center; padding: 60px 20px; color: var(--ink-faint); font-family: var(--font-mono); font-size: 14px; }

/* ---------- Lector de capítulos (Estudiar) ---------- */
.reader-body { padding: 32px 20px 80px; }
.reader-title { margin-bottom: 24px; }
.reader-content h2 { margin-top: 32px; }
.reader-content h3 { margin-top: 24px; color: var(--accent); font-family: var(--font-mono); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.reader-content h4.chapter-divider {
  margin-top: 28px; font-family: var(--font-mono); font-weight: 600; font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--ink-faint); border-top: 1px solid var(--line); padding-top: 14px;
}
.reader-content p { font-size: 16px; }
.reader-content ul { padding-left: 22px; }
.reader-content li { margin-bottom: 6px; font-size: 16px; color: var(--ink-soft); }
.reader-content .chapter-subtitle { font-size: 14px; color: var(--ink-faint); }
.chapter-note {
  border-left: 3px solid var(--accent); background: var(--accent-wash); border-radius: 8px;
  padding: 12px 16px; margin: 16px 0; font-size: 15px; color: var(--ink-soft);
}
.reader-nav { justify-content: space-between; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }