/**
 * Simulador de terremotos 3D - Hoja de estilos canónica
 * Fijate Tools
 */

:root {
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colores de marca y tema oscuro por defecto */
  --bg-page: #0b0f17;
  --bg-card: #131b26;
  --bg-card-subtle: #1c2635;
  --bg-input: #0f172a;
  --border-color: #243246;
  --border-focus: #38bdf8;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --primary: #38bdf8;
  --primary-hover: #0284c7;
  --accent-quake: #f97316;
  --accent-alert: #ef4444;
  --accent-success: #10b981;
  --accent-amber: #f59e0b;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #cbd5e1;
  --border-focus: #0284c7;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --accent-quake: #ea580c;
  --accent-alert: #dc2626;
  --accent-success: #059669;
  --accent-amber: #d97706;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.12);
}

/* Reset y estructura global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6,
.brand-title,
.section-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
}

.mono, code, .stat-val {
  font-family: var(--font-mono);
}

/* Layout canónico de herramientas */
.main-wrapper.tool-layout {
  max-width: 1260px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  box-sizing: border-box;
  flex: 1 0 auto;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  width: 100%;
}

/* Cabecera introductoria de la herramienta */
.tool-intro-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.tool-intro-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.tool-intro-title {
  font-size: 1.6rem;
  line-height: 1.25;
  margin-bottom: 0.4rem;
}

.tool-intro-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 800px;
}

.tool-intro-actions {
  display: flex;
  gap: 0.6rem;
}

/* Botones de acción universales */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  min-height: 40px;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.18s ease;
  user-select: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #0b0f17;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #ffffff;
}

.btn-quake {
  background-color: var(--accent-quake);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.35);
}

.btn-quake:hover {
  background-color: #ea580c;
  transform: translateY(-1px);
}

.btn-quake.active {
  background-color: #dc2626;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.6);
  animation: pulse-danger 1.4s infinite;
}

@keyframes pulse-danger {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

.btn-secondary {
  background-color: var(--bg-card-subtle);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-secondary.active {
  background-color: var(--primary);
  color: #0b0f17;
  border-color: var(--primary);
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.35);
}

.btn-danger:hover {
  background-color: #ef4444;
  color: #ffffff;
}

/* Contenedor principal de simulación 3D */
.simulator-stage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-lg);
}

/* Barra superior de pestañas de vista 3D */
.stage-modes-bar {
  display: flex;
  background-color: var(--bg-card-subtle);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 0.75rem;
  gap: 0.5rem;
  overflow-x: auto;
}

.mode-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  min-height: 40px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.mode-tab-btn:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.05);
}

.mode-tab-btn.active {
  color: var(--primary);
  background-color: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

/* Lienzo 3D y HUD superpuesto */
.stage-viewport-wrapper {
  position: relative;
  width: 100%;
  height: 520px;
  background-color: #0b0f17;
}

@media (max-width: 768px) {
  .stage-viewport-wrapper {
    height: 420px;
  }
}

.viewport-canvas-container {
  width: 100%;
  height: 100%;
  touch-action: none;
}

.viewport-canvas-container canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* HUD superpuesto sobre el visor 3D */
.viewport-hud {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  pointer-events: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.hud-panel {
  pointer-events: auto;
  background: rgba(11, 15, 23, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.hud-intensity-panel {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mmi-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  color: #0b0f17;
  background-color: #64748b;
  text-shadow: none;
  min-width: 60px;
}

.mmi-info-group {
  display: flex;
  flex-direction: column;
}

.mmi-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.mmi-desc {
  font-size: 0.78rem;
  color: #94a3b8;
  max-width: 280px;
  line-height: 1.25;
}

.hud-telemetry-panel {
  display: flex;
  gap: 1.25rem;
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.telemetry-label {
  font-size: 0.72rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.telemetry-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: #38bdf8;
}

/* Sismógrafo en la esquina inferior del viewport */
.viewport-bottom-hud {
  position: absolute;
  bottom: 0.8rem;
  left: 0.8rem;
  right: 0.8rem;
  pointer-events: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 0.8rem;
}

.seismograph-container {
  pointer-events: auto;
  background: rgba(8, 13, 20, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  width: 320px;
  max-width: 100%;
}

.seismograph-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: #94a3b8;
  margin-bottom: 0.35rem;
  padding: 0 0.2rem;
}

.seismograph-canvas {
  width: 100%;
  height: 95px;
  display: block;
  border-radius: 4px;
}

.viewport-tools-panel {
  pointer-events: auto;
  display: flex;
  gap: 0.5rem;
}

/* Cuadro de mandos y controles del sismo */
.stage-controls-bar {
  padding: 1.25rem 1.5rem;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.controls-actions-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.actions-primary-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.actions-secondary-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* Rejilla de parámetros y sliders */
.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.2rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.control-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

.control-val-badge {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--primary);
  font-weight: 700;
}

/* Sliders personalizados */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: transform 0.1s ease;
  box-shadow: 0 0 6px rgba(56, 189, 248, 0.4);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Selects canónicos accesibles */
select.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 40px;
  padding: 0.5rem 2.5rem 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.9rem;
  cursor: pointer;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px;
  -webkit-appearance: none;
  appearance: none;
}

select.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

/* Paneles de contexto específico de cada modo */
.mode-specific-box {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 1rem;
}

.mode-specific-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mode-specific-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Tarjetas informativas y pedagógicas */
.educational-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.info-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: rgba(56, 189, 248, 0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-card-title {
  font-size: 1.15rem;
}

.info-card-body p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 0.75rem;
}

.info-card-body p:last-child {
  margin-bottom: 0;
}

/* Tabla comparativa de ingeniería sísmica */
.seismic-table-wrapper {
  overflow-x: auto;
  margin: 1rem 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.seismic-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.seismic-table th {
  background-color: var(--bg-card-subtle);
  color: var(--text-main);
  padding: 0.65rem 0.85rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
}

.seismic-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}

.seismic-table tr:last-child td {
  border-bottom: none;
}

/* Guía de autoprotección oficial (IGN / Protección Civil) */
.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2.5rem;
}

.guide-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.guide-step-item {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.guide-step-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.guide-step-title {
  font-size: 1.02rem;
  margin-bottom: 0.5rem;
}

.guide-step-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Acordeón FAQ para SEO */
.faq-section {
  margin-bottom: 2.5rem;
}

.faq-section-title {
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item[open] .faq-question {
  border-bottom: 1px solid var(--border-color);
  color: var(--primary);
}

.faq-answer {
  padding: 1.25rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Modales accesibles */
.modal-container {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-container.active {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.modal-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  z-index: 1;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.2rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  border-radius: 6px;
}

.modal-close:hover {
  color: var(--text-main);
  background: var(--bg-card-subtle);
}

.modal-body {
  padding: 1.5rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.modal-body p {
  margin-bottom: 0.85rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
}

.snapshot-preview-img {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
}

/* Responsividad móvil */
@media (max-width: 900px) {
  .viewport-hud {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .hud-panel {
    padding: 0.5rem 0.75rem;
  }

  .hud-intensity-panel {
    justify-content: space-between;
  }

  .hud-telemetry-panel {
    justify-content: space-between;
  }

  .viewport-bottom-hud {
    flex-direction: column;
    align-items: stretch;
  }

  .seismograph-container {
    width: 100%;
  }

  .viewport-tools-panel {
    justify-content: flex-end;
  }

  .controls-actions-row {
    flex-direction: column;
    align-items: stretch;
  }

  .actions-primary-group,
  .actions-secondary-group {
    width: 100%;
    justify-content: space-between;
  }

  .actions-primary-group .btn,
  .actions-secondary-group .btn {
    flex: 1 1 auto;
  }
}