/* ==========================================================================
   SismosHoy.com — Estilos de Telemetría Geofísica y Monitor Sísmico Mundial
   Diseñado para alta legibilidad, cero desborde en 320px y métricas a la vista
   ========================================================================== */

:root {
  --bg-body: #0b1329;
  --bg-surface: #111e38;
  --bg-card: #162646;
  --bg-card-hover: #1e335e;
  --border-subtle: #20355c;
  --border-focus: #0ea5e9;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --brand-blue: #0284c7;
  --brand-cyan: #38bdf8;
  --brand-amber: #f59e0b;
  
  /* Escala Cromática Sísmica Oficial */
  --mag-micro: #64748b;
  --mag-menor: #10b981;
  --mag-moderado: #f59e0b;
  --mag-fuerte: #f97316;
  --mag-mayor: #ef4444;
  --mag-gran: #8b5cf6;

  --max-w: 1040px;
  --gutter: 16px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #f1f5f9;
  --bg-card-hover: #e2e8f0;
  --border-subtle: #cbd5e1;
  --border-focus: #0284c7;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
}

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

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--bg-body);
  color: var(--text-main);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-cyan);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--brand-amber);
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ==========================================================================
   Header & Navegación (Poco aire arriba: ≤ 24px móvil / ≤ 32px escritorio)
   ========================================================================== */
.site-header {
  background-color: #0b1528;
  border-bottom: 2px solid #f59e0b;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.site-logo img, .site-logo svg, .brand-logo-svg {
  height: 42px;
  width: auto;
  display: block;
}

img, svg {
  max-width: 100%;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
@media (max-width: 860px) {
  .nav-links {
    display: none;
  }
}

.nav-links a {
  color: #94a3b8;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.nav-links a:hover, .nav-links a.active {
  color: #ffffff;
  background-color: #162646;
}

.theme-toggle-btn {
  background: #162646;
  border: 1px solid #20355c;
  color: #f8fafc;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}
.theme-toggle-btn:hover {
  background: #1e335e;
  border-color: #38bdf8;
  color: #ffffff;
}

/* Selector móvil de países */
.country-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  padding: 6px 0;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}
.country-bar-inner {
  display: flex;
  gap: 8px;
  align-items: center;
}
.country-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: 999px;
  text-decoration: none;
}
.country-pill:hover, .country-pill.active {
  color: var(--text-main);
  border-color: var(--brand-cyan);
  background: var(--bg-card-hover);
}

/* ==========================================================================
   Bento Cockpit & Telemetría Inmediata
   ========================================================================== */
/* ==========================================================================
   Bento Cockpit & Telemetría Inmediata (Estilo Centro Geofísico Senior)
   ========================================================================== */
.hero-cockpit {
  margin-top: 16px;
  margin-bottom: 24px;
}

.hero-header {
  margin-bottom: 16px;
}
.hero-live-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--brand-cyan);
  margin-bottom: 6px;
}
.hero-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 6px;
}
@media (max-width: 640px) {
  .hero-title {
    font-size: 20px;
  }
}
.hero-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.hero-answer-box {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08) 0%, rgba(2, 132, 199, 0.03) 100%);
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-left: 4px solid var(--brand-cyan);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
}
.hero-answer-box strong {
  color: #ffffff;
}

.bento-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
@media (max-width: 900px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.card-cockpit-main {
  background: linear-gradient(160deg, #111e38 0%, #0d172e 100%);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cockpit-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #ef4444;
  margin-bottom: 12px;
}

.hero-quake-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
@media (max-width: 480px) {
  .hero-quake-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

.hero-mag-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  height: 92px;
  border-radius: var(--radius-md);
  padding: 6px;
  color: #ffffff;
  text-align: center;
  font-family: var(--font-mono);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  flex-shrink: 0;
}
.hero-mag-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.9;
}
.hero-mag-num {
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
}
.hero-mag-type {
  font-size: 12px;
  font-weight: 600;
  opacity: 0.85;
}

.hero-quake-details {
  flex-grow: 1;
}
.hero-quake-place {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 4px;
}
.hero-quake-time {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.hero-quake-geo {
  font-size: 12px;
  color: var(--text-dim);
}

/* Sismograma SVG */
.seismograph-container {
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  margin-bottom: 12px;
}
.seismograph-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.seismograph-badge {
  font-size: 12px;
  color: var(--brand-cyan);
  font-weight: 600;
}
.seismograph-trace {
  position: relative;
  height: 64px;
  background: rgba(11, 19, 41, 0.4);
  border-radius: var(--radius-sm);
  padding: 2px 0;
}
.seismograph-trace svg {
  display: block;
  width: 100%;
  height: 60px;
  overflow: visible;
}
.traza-base {
  stroke: rgba(255, 255, 255, 0.15);
  stroke-width: 1;
}
.traza-grilla {
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 1;
  stroke-dasharray: 2 3;
}
.traza {
  vector-effect: non-scaling-stroke;
  fill: none;
  stroke-width: 1.6;
}
.traza.mag-micro { stroke: var(--mag-micro); }
.traza.mag-menor { stroke: var(--mag-menor); }
.traza.mag-moderado { stroke: var(--mag-moderado); }
.traza.mag-fuerte { stroke: var(--mag-fuerte); }
.traza.mag-mayor { stroke: var(--mag-mayor); }
.traza.mag-gran { stroke: var(--mag-gran); }

.seismograph-axis {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 3px;
}
.seismograph-axis .axis-now {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #ef4444;
  font-weight: 600;
}

.hero-cockpit-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.hero-cockpit-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-cyan);
}
.hero-cockpit-cta:hover {
  color: var(--brand-amber);
  text-decoration: underline;
}

.btn-tts {
  background: #162646;
  border: 1px solid #20355c;
  color: #f8fafc;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
  user-select: none;
}
.btn-tts:hover {
  background: #1e335e;
  border-color: #38bdf8;
  color: #ffffff;
}
.btn-tts.speaking {
  background: #0284c7;
  border-color: #38bdf8;
  color: #ffffff;
  box-shadow: 0 0 12px rgba(2, 132, 199, 0.5);
}
.btn-tts .tts-icon {
  flex-shrink: 0;
  stroke: currentColor;
}
.btn-tts.speaking .tts-icon {
  animation: pulse-speaker 0.8s infinite alternate;
}
@keyframes pulse-speaker {
  0% { transform: scale(1); }
  100% { transform: scale(1.15); }
}

[data-theme="light"] .btn-tts {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: #0f172a;
}
[data-theme="light"] .btn-tts:hover {
  background: #e2e8f0;
  border-color: #0284c7;
  color: #0284c7;
}
[data-theme="light"] .btn-tts.speaking {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}

/* Tarjeta Derecha: Telemetría 24h & Escala */
.card-cockpit-telemetry {
  background: linear-gradient(160deg, #132448 0%, #0d1830 100%);
  border: 1px solid rgba(245, 158, 11, 0.25);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.telemetry-kicker {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--brand-amber);
  display: block;
  margin-bottom: 4px;
}
.telemetry-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 10px;
}

/* Barra de Escala de Magnitud con Aguja */
.magnitude-scale-card {
  --pos: 0.5;
  position: relative;
  margin: 10px 0 12px;
  padding: 10px 10px 6px;
  background: rgba(11, 19, 41, 0.7);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}
.scale-track {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 3px;
  height: 12px;
}
.scale-track .seg {
  border-radius: 2px;
}
.seg-micro { background: var(--mag-micro); }
.seg-menor { background: var(--mag-menor); }
.seg-ligero { background: #38bdf8; }
.seg-moderado { background: var(--mag-moderado); }
.seg-fuerte { background: var(--mag-fuerte); }
.seg-mayor { background: var(--mag-mayor); }

.scale-needle {
  position: absolute;
  top: 4px;
  left: calc(10px + (100% - 20px) * var(--pos));
  width: 4px;
  height: 25px;
  margin-left: -2px;
  border-radius: 2px;
  background: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.9), 0 0 0 1px #000;
  z-index: 2;
  transition: left 0.3s ease;
}
.scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  margin-top: 4px;
}

.telemetry-subtext {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}
.telemetry-subtext strong {
  color: var(--text-main);
}

/* Botones de Compartir */
.cockpit-share-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.btn-share-wa {
  background: #25D366;
  color: #ffffff;
  border: none;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.15s, opacity 0.15s;
}
.btn-share-wa:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}
.btn-share-native {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s;
}
.btn-share-native:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.cockpit-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}
@media (max-width: 500px) {
  .cockpit-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.stat-col {
  text-align: center;
}
.stat-col .num {
  font-size: 17px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-main);
  display: block;
}
.stat-col .lbl {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: 2px;
  display: block;
  font-weight: 600;
}

.telemetry-tsunami-note {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-subtle);
}

/* ==========================================================================
   Mapa Sísmico Global en Vivo & Alerta en Movimiento
   ========================================================================== */
.map-section {
  margin-bottom: 28px;
}

.map-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.map-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.map-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--brand-cyan);
  margin-bottom: 4px;
}
.map-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 2px;
}
.map-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.map-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.map-filter-group, .map-region-group {
  display: inline-flex;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}
.map-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.map-btn:hover {
  color: var(--text-main);
}
.map-btn.active {
  background: var(--brand-blue);
  color: #ffffff;
}

.live-map-container {
  width: 100%;
  height: 440px;
  background: #090d16;
  position: relative;
  z-index: 1;
}
@media (max-width: 640px) {
  .live-map-container {
    height: 330px;
  }
}

.map-footer {
  padding: 10px 16px;
  background: var(--bg-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}
.map-legend {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: middle;
}
.map-counter {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--brand-cyan);
}

/* Animación de Alerta en Movimiento (Pulsing Radar Wave) */
.pulse-radar-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
  animation: radar-beacon 1.8s infinite;
}
@keyframes radar-beacon {
  0% {
    transform: scale(0.9);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
  }
  100% {
    transform: scale(0.9);
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
  }
}

.quake-pulse-marker {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.quake-pulse-marker .pulse-center {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
  z-index: 3;
  position: relative;
}
.quake-pulse-marker .pulse-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0.8;
  animation: radar-wave 2.2s infinite ease-out;
  pointer-events: none;
  z-index: 1;
}
.quake-pulse-marker .pulse-ring.delay {
  animation: radar-wave 2.2s infinite ease-out 1.1s;
}

@keyframes radar-wave {
  0% {
    width: 14px;
    height: 14px;
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.9;
  }
  100% {
    width: 58px;
    height: 58px;
    transform: translate(-50%, -50%) scale(1);
    opacity: 0;
  }
}

/* Colores para Marcadores de Mapa */
.quake-pulse-marker.mag-micro, .legend-dot.mag-micro { color: var(--mag-micro); }
.quake-pulse-marker.mag-micro .pulse-center, .legend-dot.mag-micro { background: var(--mag-micro); }

.quake-pulse-marker.mag-menor, .legend-dot.mag-menor { color: var(--mag-menor); }
.quake-pulse-marker.mag-menor .pulse-center, .legend-dot.mag-menor { background: var(--mag-menor); }

.quake-pulse-marker.mag-moderado, .legend-dot.mag-moderado { color: var(--mag-moderado); }
.quake-pulse-marker.mag-moderado .pulse-center, .legend-dot.mag-moderado { background: var(--mag-moderado); }

.quake-pulse-marker.mag-fuerte, .legend-dot.mag-fuerte { color: var(--mag-fuerte); }
.quake-pulse-marker.mag-fuerte .pulse-center, .legend-dot.mag-fuerte { background: var(--mag-fuerte); }

.quake-pulse-marker.mag-mayor, .legend-dot.mag-mayor { color: var(--mag-mayor); }
.quake-pulse-marker.mag-mayor .pulse-center, .legend-dot.mag-mayor { background: var(--mag-mayor); }

.quake-pulse-marker.mag-gran, .legend-dot.mag-gran { color: var(--mag-gran); }
.quake-pulse-marker.mag-gran .pulse-center, .legend-dot.mag-gran { background: var(--mag-gran); }

/* Popups de Leaflet con estilo oscuro */
.leaflet-control-attribution,
.leaflet-control-attribution a {
  font-size: 12px !important;
  color: var(--text-dim) !important;
}
.leaflet-control-attribution {
  background: rgba(17, 30, 56, 0.85) !important;
  padding: 2px 6px !important;
}
.leaflet-popup-content-wrapper {
  background: #111e38 !important;
  color: #f8fafc !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45) !important;
}
.leaflet-popup-tip {
  background: #111e38 !important;
}
.quake-popup {
  padding: 4px 2px;
  font-size: 13px;
  line-height: 1.4;
}
.popup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.popup-mag {
  font-size: 14px;
  font-weight: 800;
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: 4px;
  color: #fff;
}
.popup-place {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}
.popup-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.popup-btn {
  display: inline-block;
  background: var(--brand-blue);
  color: #ffffff !important;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
}
.popup-btn:hover {
  background: var(--brand-cyan);
  color: #0b1329 !important;
}

/* ==========================================================================
   Feed de Sismos Tabular
   ========================================================================== */
.feed-section {
  margin-bottom: 32px;
}

.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.feed-header h2 {
  font-size: 18px;
  font-weight: 800;
}

.feed-filters {
  display: flex;
  gap: 8px;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--brand-blue);
  color: #fff;
  border-color: var(--brand-blue);
}

.quake-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quake-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  text-decoration: none;
  transition: all 0.15s ease;
  gap: 12px;
}
.quake-item:hover {
  background: var(--bg-card);
  border-color: var(--brand-cyan);
  transform: translateY(-1px);
}

.quake-mag-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  font-weight: 900;
  font-size: 18px;
  font-family: var(--font-mono);
  color: #ffffff;
  flex-shrink: 0;
}

.mag-micro { background-color: var(--mag-micro); }
.mag-menor { background-color: var(--mag-menor); }
.mag-moderado { background-color: var(--mag-moderado); color: #0f172a; }
.mag-fuerte { background-color: var(--mag-fuerte); }
.mag-mayor { background-color: var(--mag-mayor); }
.mag-gran { background-color: var(--mag-gran); }

.quake-info {
  flex-grow: 1;
  min-width: 0;
}
.quake-place {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.quake-sub {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.quake-action {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-cyan);
  flex-shrink: 0;
}

.protocol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}
@media (max-width: 680px) {
  .protocol-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Herramientas Científicas (Calculadora e Interactivos)
   ========================================================================== */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}
@media (max-width: 768px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.tool-title {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group {
  margin-bottom: 12px;
}
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.form-control {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--brand-cyan);
}

.btn-primary {
  background: var(--brand-blue);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
  width: 100%;
}
.btn-primary:hover {
  background: #0284c7;
}

.calc-result-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-top: 12px;
  font-size: 13px;
}
.calc-result-val {
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--brand-amber);
  display: block;
  margin-bottom: 4px;
}

/* ==========================================================================
   Contenido Editorial y Educación Tectónica
   ========================================================================== */
.editorial-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 32px;
}
.editorial-section h2 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
}
.editorial-section p {
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.65;
}
.editorial-section img {
  max-width: 100% !important;
  height: auto !important;
  display: block;
  border-radius: var(--radius-sm);
  margin: 16px 0;
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Footer Institucional
   ========================================================================== */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 32px 0 24px;
  margin-top: 48px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-col a {
  color: var(--text-muted);
}
.footer-col a:hover {
  color: var(--text-main);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   Filtros Topográficos y Capas de Mapa (OpenStreetMap Zero-API-Key)
   ========================================================================== */
.map-tile-dark-filter {
  filter: saturate(0.35) contrast(0.95) brightness(1.02);
}
:root[data-theme="dark"] .map-tile-dark-filter {
  filter: invert(1) hue-rotate(180deg) saturate(0.3) brightness(0.85) contrast(0.92);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .map-tile-dark-filter {
    filter: invert(1) hue-rotate(180deg) saturate(0.3) brightness(0.85) contrast(0.92);
  }
}

/* ==========================================================================
   Tema Claro: Alto Contraste, Tarjetas Sólidas y Cero Texto Invisible
   ========================================================================== */
[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border-subtle: #e2e8f0;
  --border-focus: #0284c7;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
}

[data-theme="light"] .card-cockpit-main {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .card-cockpit-telemetry {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .hero-title {
  color: #0f172a;
}
[data-theme="light"] .hero-desc {
  color: #475569;
}

[data-theme="light"] .hero-answer-box {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-left: 4px solid #0284c7;
  color: #0f172a;
}
[data-theme="light"] .hero-answer-box strong {
  color: #0369a1;
}

[data-theme="light"] .hero-quake-place {
  color: #0f172a;
}
[data-theme="light"] .hero-quake-time {
  color: #475569;
}
[data-theme="light"] .hero-quake-geo {
  color: #64748b;
}

[data-theme="light"] .telemetry-title {
  color: #0f172a;
}
[data-theme="light"] .telemetry-subtext {
  color: #475569;
}
[data-theme="light"] .telemetry-subtext strong {
  color: #0f172a;
}

[data-theme="light"] .seismograph-trace {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}
[data-theme="light"] .traza-sismo {
  stroke: #0284c7;
}
[data-theme="light"] .traza-grilla {
  stroke: rgba(148, 163, 184, 0.35);
}

[data-theme="light"] .magnitude-scale-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}
[data-theme="light"] .scale-needle {
  background: #0f172a;
  box-shadow: 0 0 6px rgba(15, 23, 42, 0.5);
}

[data-theme="light"] .stat-col {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 8px 4px;
}
[data-theme="light"] .stat-col .num {
  color: #0f172a;
}
[data-theme="light"] .stat-col .lbl {
  color: #64748b;
}

[data-theme="light"] .btn-share-native {
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid #cbd5e1;
}
[data-theme="light"] .btn-share-native:hover {
  background: #e2e8f0;
  border-color: #94a3b8;
}

[data-theme="light"] .country-bar {
  background: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
}
[data-theme="light"] .country-pill {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #334155;
}
[data-theme="light"] .country-pill:hover {
  background: #f8fafc;
  border-color: #0284c7;
  color: #0284c7;
}
[data-theme="light"] .country-pill.active {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}

[data-theme="light"] .filter-btn,
[data-theme="light"] .map-btn {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: #334155;
}
[data-theme="light"] .filter-btn:hover,
[data-theme="light"] .map-btn:hover {
  background: #e2e8f0;
  border-color: #94a3b8;
  color: #0f172a;
}
[data-theme="light"] .filter-btn.active,
[data-theme="light"] .map-btn.active {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}

[data-theme="light"] .quake-card-row {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.03);
}
[data-theme="light"] .quake-card-row:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}
[data-theme="light"] .quake-row-place {
  color: #0f172a;
}
[data-theme="light"] .quake-row-time {
  color: #475569;
}
[data-theme="light"] .quake-row-geo {
  color: #64748b;
}

[data-theme="light"] .card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .editorial-section {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}
[data-theme="light"] .editorial-section h2,
[data-theme="light"] .editorial-section h3 {
  color: #0f172a;
}
[data-theme="light"] .editorial-section p,
[data-theme="light"] .editorial-section li {
  color: #334155;
}

[data-theme="light"] .faq-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
}
[data-theme="light"] .faq-summary {
  color: #0f172a;
}
[data-theme="light"] .faq-answer {
  color: #334155;
}

[data-theme="light"] .leaflet-popup-content-wrapper {
  background: #ffffff !important;
  color: #0f172a !important;
  border: 1px solid #cbd5e1 !important;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18) !important;
}
[data-theme="light"] .leaflet-popup-tip {
  background: #ffffff !important;
}
[data-theme="light"] .popup-desc,
[data-theme="light"] .popup-footer {
  color: #475569 !important;
}
[data-theme="light"] .leaflet-control-attribution {
  background: rgba(255, 255, 255, 0.9) !important;
  color: #64748b !important;
}
[data-theme="light"] .leaflet-control-attribution a {
  color: #0284c7 !important;
}

/* El pie siempre mantiene el color de observatorio geofísico de referencia */
.site-footer {
  background: #0b1528;
  color: #94a3b8;
  border-top: 1px solid #1a2f55;
}
.site-footer .footer-col h4 {
  color: #f8fafc;
}
.site-footer .footer-col a {
  color: #94a3b8;
}
.site-footer .footer-col a:hover {
  color: #38bdf8;
}