/* ============================================
   SmartQuiz - Manual de Usuario
   Estilos sencillos para Google Play Console
   ============================================ */

:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text-dark: #1f2937;
  --text-muted: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border: #e5e7eb;
  --code-bg: #1e293b;
  --code-text: #e2e8f0;
  --hero-bg: #3b82f6;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  padding: 24px 16px;
}

/* Contenedor principal */
.container {
  max-width: 1000px;
  margin: 0 auto;
  background: var(--bg-white);
  border-radius: 24px;
  padding: 40px 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

/* ===== TIPOGRAFÍA ===== */
h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #0f172a;
  line-height: 1.3;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 32px 0 16px 0;
  color: var(--text-dark);
  border-left: 4px solid var(--primary);
  padding-left: 16px;
}

h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 20px 0 12px 0;
  color: var(--text-dark);
}

p {
  margin-bottom: 16px;
  color: var(--text-muted);
  font-size: 1rem;
}

/* ===== HERO ===== */
.hero {
  text-align: center;
  padding: 48px 24px;
  background-color: white;
  border-radius: 24px;
  margin-bottom: 32px;
  
}

.hero-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: 40px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.hero h1 {

  margin-bottom: 16px;
  font-size: 2.5rem;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* ===== SECCIONES ===== */
.section {
  margin-bottom: 48px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.section-title .icon {
  font-size: 1.8rem;
}

/* ===== BLOQUES DE CÓDIGO ===== */
.code-block {
  background: var(--code-bg);
  border-radius: 16px;
  overflow: hidden;
  margin: 20px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.code-header {
  background: #0f172a;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid #334155;
}

.code-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-r { background: #ff5f56; }
.dot-y { background: #ffbd2e; }
.dot-g { background: #27c93f; }

.code-label {
  color: #94a3b8;
  font-size: 0.8rem;
  font-family: monospace;
}

.code-body {
  padding: 20px;
  overflow-x: auto;
}

.code-body pre {
  margin: 0;
  font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--code-text);
}

/* Sintaxis highlighting */
.hl-title { color: #fbbf24; font-weight: bold; display: block; margin-bottom: 12px; }
.hl-num { color: #60a5fa; }
.hl-star { color: #f97316; font-weight: bold; }
.hl-opt { color: #94a3b8; }
.hl-url { color: #34d399; font-size: 0.8rem; }
.hl-muted { color: #64748b; font-style: italic; }

/* ===== TABLAS ===== */
.fmt-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  background: var(--bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.fmt-table th {
  background: var(--bg-light);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--border);
}

.fmt-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-green {
  background: #d1fae5;
  color: #065f46;
}

.badge-red {
  background: #fee2e2;
  color: #991b1b;
}

.badge-yellow {
  background: #fef3c7;
  color: #92400e;
}

.badge-blue {
  background: #dbeafe;
  color: #1e40af;
}

/* ===== LISTAS DE REGLAS ===== */
.rule-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 16px 0;
}

.rule-item {
  display: flex;
  gap: 14px;
  padding: 12px;
  background: var(--bg-light);
  border-radius: 12px;
  border-left: 3px solid var(--primary);
}

.rule-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.rule-text strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.rule-text span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== INFO Y WARNING ===== */
.info {
  background: #eef2ff;
  border-left: 4px solid var(--primary);
  padding: 14px 18px;
  border-radius: 12px;
  margin: 20px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.info span:first-child {
  font-size: 1.2rem;
}

.warning {
  background: #fef3c7;
  border-left: 4px solid var(--warning);
  padding: 14px 18px;
  border-radius: 12px;
  margin: 20px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.warning span:first-child {
  font-size: 1.2rem;
}

/* ===== DIVISOR ===== */
.divider {
  margin: 48px 0;
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  body {
    padding: 12px;
  }
  
  .container {
    padding: 24px 20px;
  }
  
  h1 {
    font-size: 1.6rem;
  }
  
  .hero {
    padding: 32px 20px;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 1.3rem;
  }
  
  .code-body {
    padding: 12px;
  }
  
  .code-body pre {
    font-size: 0.7rem;
  }
  
  .fmt-table th,
  .fmt-table td {
    padding: 8px 12px;
    font-size: 0.85rem;
  }
  
  .rule-item {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 16px;
  }
  
  .code-body pre {
    font-size: 0.65rem;
    white-space: pre-wrap;
    word-break: break-word;
  }
  
  .badge {
    font-size: 0.7rem;
    padding: 3px 8px;
  }
}

/* ===== UTILIDADES ADICIONALES ===== */
a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

strong {
  color: var(--text-dark);
}

/* Scroll suave */
html {
  scroll-behavior: smooth;
}

/* Mejora de accesibilidad */
:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}