/* ==========================================================================
   Computador Náutico y Plotter de Navegación • NautiLab Style Suite
   Estándar canónico fijate.com • Temas Oscuro, Claro y Luz Roja Táctica
   ========================================================================== */

:root {
  /* Paleta Marina Puente Electrónico (Tema Oscuro por defecto) */
  --nautic-bg-main: #060c18;
  --nautic-bg-card: #0a1324;
  --nautic-bg-card-sub: #0f1c35;
  --nautic-border: #1e293b;
  --nautic-border-glow: rgba(6, 182, 212, 0.28);
  
  --nautic-text-main: #f8fafc;
  --nautic-text-muted: #94a3b8;
  --nautic-text-dim: #64748b;
  
  --nautic-cyan: #06b6d4;
  --nautic-cyan-glow: rgba(6, 182, 212, 0.4);
  --nautic-blue: #0284c7;
  --nautic-emerald: #10b981;
  --nautic-amber: #f59e0b;
  --nautic-red: #ef4444;
  
  --nautic-input-bg: #0b1528;
  --nautic-input-border: #1e2e4a;
  --nautic-input-focus: #0ea5e9;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
}

/* Tema Claro */
[data-theme="light"] {
  --nautic-bg-main: #f1f5f9;
  --nautic-bg-card: #ffffff;
  --nautic-bg-card-sub: #f8fafc;
  --nautic-border: #cbd5e1;
  --nautic-border-glow: rgba(2, 132, 199, 0.2);
  
  --nautic-text-main: #0f172a;
  --nautic-text-muted: #334155;
  --nautic-text-dim: #64748b;
  
  --nautic-cyan: #0284c7;
  --nautic-cyan-glow: rgba(2, 132, 199, 0.25);
  --nautic-blue: #0369a1;
  --nautic-emerald: #059669;
  --nautic-amber: #d97706;
  --nautic-red: #dc2626;
  
  --nautic-input-bg: #ffffff;
  --nautic-input-border: #cbd5e1;
  --nautic-input-focus: #0284c7;
}

/* Modo Nocturno Táctico (Luz Roja de Guardia Naval) */
body.night-vision {
  --nautic-bg-main: #0d0000 !important;
  --nautic-bg-card: #190303 !important;
  --nautic-bg-card-sub: #260505 !important;
  --nautic-border: #4d0a0a !important;
  --nautic-border-glow: rgba(239, 68, 68, 0.4) !important;
  
  --nautic-text-main: #ff9999 !important;
  --nautic-text-muted: #d9534f !important;
  --nautic-text-dim: #993333 !important;
  
  --nautic-cyan: #ff4d4d !important;
  --nautic-cyan-glow: rgba(255, 77, 77, 0.4) !important;
  --nautic-blue: #cc2929 !important;
  --nautic-emerald: #ff6666 !important;
  --nautic-amber: #ff8080 !important;
  --nautic-red: #ff3333 !important;
  
  --nautic-input-bg: #1f0404 !important;
  --nautic-input-border: #4d0a0a !important;
  --nautic-input-focus: #ff4d4d !important;
}

body.night-vision .app-header {
  background: #140202 !important;
  border-bottom-color: #4d0a0a !important;
}

body.night-vision .fijate-footer {
  background: #110000 !important;
  border-top-color: #4d0a0a !important;
}

body.night-vision .leaflet-tile-pane {
  filter: brightness(0.65) invert(1) contrast(1.4) hue-rotate(180deg) saturate(2) sepia(1) hue-rotate(-50deg);
}

/* Estilos de maquetación y base */
body {
  background-color: var(--nautic-bg-main);
  color: var(--nautic-text-main);
  font-family: var(--font-main);
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.mono {
  font-family: var(--font-mono);
}

.highlight-cyan {
  color: var(--nautic-cyan) !important;
}

.highlight-emerald {
  color: var(--nautic-emerald) !important;
}

.highlight-amber {
  color: var(--nautic-amber) !important;
}

.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1.25rem; }
.mt-5 { margin-top: 2rem; }

/* Botón de cabecera con luz roja táctica */
.btn-nautical-tool {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--nautic-bg-card-sub);
  color: var(--nautic-text-main);
  border: 1px solid var(--nautic-border);
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 38px;
}

.btn-nautical-tool:hover {
  border-color: var(--nautic-cyan);
  box-shadow: 0 0 10px var(--nautic-cyan-glow);
}

body.night-vision #btn-night-vision {
  background: #ff3333;
  color: #000000;
  border-color: #ff6666;
}

@media (max-width: 640px) {
  .btn-label-mobile-hide {
    display: none;
  }
}

/* Barra de telemetría de instrumentos de puente (Bridge Bar) */
.bridge-telemetry-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.65rem;
  background: var(--nautic-bg-card);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.25rem 0.4rem;
  border-right: 1px solid var(--nautic-border);
}

.telemetry-item:last-child,
.telemetry-item-port {
  border-right: none;
}

.telemetry-item-port {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 900px) {
  .telemetry-item-port {
    grid-column: span 1;
  }
}

.telemetry-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--nautic-text-dim);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.telemetry-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--nautic-text-main);
  white-space: nowrap;
}

.telemetry-val-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-telemetry-gps {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  color: var(--nautic-cyan);
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s;
}

.btn-telemetry-gps:hover {
  border-color: var(--nautic-cyan);
  background: var(--nautic-border-glow);
}

/* Navegación por pestañas */
.nautical-tab-nav {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.4rem;
  margin-bottom: 1.25rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.nautical-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  background: var(--nautic-bg-card);
  border: 1px solid var(--nautic-border);
  color: var(--nautic-text-muted);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 42px;
}

.nautical-tab-btn:hover {
  color: var(--nautic-text-main);
  border-color: var(--nautic-cyan);
}

.nautical-tab-btn.active {
  background: linear-gradient(135deg, var(--nautic-cyan), var(--nautic-blue));
  color: #ffffff;
  border-color: var(--nautic-cyan);
  box-shadow: 0 4px 14px var(--nautic-cyan-glow);
}

/* Paneles de pestañas */
.nautical-tab-pane {
  display: none;
}

.nautical-tab-pane.active {
  display: block;
  animation: fadeInPane 0.25s ease-out;
}

@keyframes fadeInPane {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tarjetas Náuticas Principales */
.card-nautical {
  background: var(--nautic-bg-card);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  margin-bottom: 1.5rem;
}

.card-nautical-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--nautic-border);
}

.card-nautical-title-wrap h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--nautic-text-main);
  margin: 0.35rem 0 0.25rem 0;
}

.card-nautical-title-wrap p {
  color: var(--nautic-text-muted);
  font-size: 0.88rem;
  margin: 0;
  max-width: 780px;
  line-height: 1.45;
}

.nautical-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--nautic-border-glow);
  color: var(--nautic-cyan);
  border: 1px solid var(--nautic-border-glow);
}

/* Toolbar del mapa */
.map-quick-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-nautical-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  color: var(--nautic-text-main);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 38px;
  transition: all 0.2s ease;
}

.btn-nautical-action:hover {
  border-color: var(--nautic-cyan);
  color: var(--nautic-cyan);
}

.btn-danger-action:hover {
  border-color: var(--nautic-red);
  color: var(--nautic-red);
}

/* Lienzo y contenedor del mapa Leaflet */
.nautical-map-wrapper {
  position: relative;
  width: 100%;
  height: 520px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--nautic-border);
}

@media (max-width: 768px) {
  .nautical-map-wrapper {
    height: 380px;
  }
}

.nautical-map-canvas {
  width: 100%;
  height: 100%;
  background-color: #071324;
}

/* HUD superpuesto en mapa */
.map-hud-overlay {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 999;
  background: rgba(10, 19, 36, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.85rem;
  display: flex;
  gap: 1.25rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

@media (max-width: 600px) {
  .map-hud-overlay {
    top: auto;
    bottom: 12px;
    right: 12px;
    left: 12px;
    justify-content: space-between;
    gap: 0.5rem;
  }
}

.hud-stat {
  display: flex;
  flex-direction: column;
}

.hud-label {
  font-size: 0.68rem;
  color: var(--nautic-text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.hud-value {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--nautic-cyan);
}

/* Panel de ruta y tabla de waypoints */
.route-panel {
  margin-top: 1rem;
}

.route-panel-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  padding: 0.65rem 0.95rem;
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  color: var(--nautic-text-muted);
  margin-bottom: 0.85rem;
}

.route-panel-info svg {
  flex-shrink: 0;
  color: var(--nautic-cyan);
}

/* Tablas náuticas responsivas */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--nautic-border);
  margin-bottom: 1rem;
}

.nautical-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  text-align: left;
}

.nautical-table th {
  background: var(--nautic-bg-card-sub);
  color: var(--nautic-text-dim);
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--nautic-border);
  white-space: nowrap;
}

.nautical-table td {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--nautic-border);
  color: var(--nautic-text-main);
  vertical-align: middle;
}

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

.nautical-table tr:hover td {
  background: rgba(6, 182, 212, 0.04);
}

.empty-row td {
  text-align: center;
  padding: 1.5rem;
  color: var(--nautic-text-dim);
  font-style: italic;
}

/* Cuadrículas y formularios */
.rumbos-grid-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1.5rem;
}

@media (max-width: 980px) {
  .rumbos-grid-layout {
    grid-template-columns: 1fr;
  }
}

.subcard-header h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--nautic-text-main);
  margin: 0 0 0.85rem 0;
  padding-bottom: 0.4rem;
  border-bottom: 1px dashed var(--nautic-border);
}

.form-group-nautical {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.form-group-nautical label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--nautic-text-muted);
}

.form-row-dual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.form-row-triple {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

@media (max-width: 640px) {
  .form-row-dual,
  .form-row-triple {
    grid-template-columns: 1fr;
  }
}

/* Inputs y Selects */
.nautical-input {
  width: 100%;
  box-sizing: border-box;
  background: var(--nautic-input-bg);
  border: 1px solid var(--nautic-input-border);
  color: var(--nautic-text-main);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem;
  font-size: 0.9rem;
  min-height: 42px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.nautical-input:focus {
  border-color: var(--nautic-input-focus);
  box-shadow: 0 0 0 3px var(--nautic-border-glow);
}

.input-with-unit {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.input-with-unit .nautical-input {
  padding-right: 4.5rem;
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
}

.input-unit {
  position: absolute;
  right: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--nautic-text-dim);
  pointer-events: none;
  white-space: nowrap;
}

.nautical-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  background-color: var(--nautic-input-bg);
  border: 1px solid var(--nautic-input-border);
  color: var(--nautic-text-main);
  border-radius: var(--radius-md);
  padding: 0.55rem 2.5rem 0.55rem 0.85rem;
  font-size: 0.88rem;
  min-height: 42px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  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='%2306b6d4' stroke-width='2.2' 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 0.85rem center;
  background-size: 16px;
  cursor: pointer;
}

.nautical-select option {
  background-color: var(--nautic-bg-card);
  color: var(--nautic-text-main);
  padding: 0.5rem;
}

.nautical-select:focus {
  border-color: var(--nautic-input-focus);
  box-shadow: 0 0 0 3px var(--nautic-border-glow);
}

/* Botones de acción principales */
.btn-nautical-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, var(--nautic-cyan), var(--nautic-blue));
  border: none;
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 44px;
  box-shadow: 0 4px 16px var(--nautic-cyan-glow);
  transition: all 0.2s ease;
}

.btn-nautical-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--nautic-cyan-glow);
}

.btn-nautical-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.65rem 1rem;
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  color: var(--nautic-text-main);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 40px;
  margin-top: 0.5rem;
  transition: all 0.2s ease;
}

.btn-nautical-secondary:hover {
  border-color: var(--nautic-cyan);
  color: var(--nautic-cyan);
}

/* Rosa de los vientos interactiva SVG */
.compass-canvas-box {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1rem;
}

.compass-bg-circle {
  fill: var(--nautic-bg-card);
  stroke: var(--nautic-border);
  stroke-width: 2;
}

.compass-inner-circle {
  fill: none;
  stroke: var(--nautic-border-glow);
  stroke-width: 1.5;
  stroke-dasharray: 3 3;
}

.compass-cardinal {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  fill: var(--nautic-text-muted);
}

.compass-north {
  fill: var(--nautic-red);
  font-weight: 800;
}

.compass-pivot {
  fill: var(--nautic-cyan);
  stroke: #ffffff;
  stroke-width: 2;
}

.compass-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.85rem;
  font-size: 0.78rem;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--nautic-text-muted);
}

.chip-color {
  width: 12px;
  height: 4px;
  border-radius: 2px;
}

.color-ra { background-color: #f59e0b; }
.color-rv { background-color: #06b6d4; }
.color-current { background-color: #a855f7; }
.color-cog { background-color: #10b981; }

/* Telemetría de resultados calculados */
.results-telemetry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (max-width: 500px) {
  .results-telemetry-grid {
    grid-template-columns: 1fr;
  }
}

.res-box {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.9rem;
  display: flex;
  flex-direction: column;
}

.res-box-highlight {
  border-color: var(--nautic-cyan);
  background: rgba(6, 182, 212, 0.06);
}

.res-box-primary {
  border-color: var(--nautic-emerald);
  background: rgba(16, 185, 129, 0.08);
}

.res-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--nautic-text-dim);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.res-val {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--nautic-text-main);
}

.res-sub {
  font-size: 0.75rem;
  color: var(--nautic-text-dim);
  margin-top: 0.2rem;
}

/* Cuadro de pasos explicados */
.calculation-steps-card {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.calculation-steps-card h4 {
  font-size: 0.88rem;
  font-family: var(--font-heading);
  margin: 0 0 0.6rem 0;
  color: var(--nautic-text-main);
}

.steps-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.82rem;
  color: var(--nautic-text-muted);
  line-height: 1.6;
}

.steps-list li {
  margin-bottom: 0.35rem;
}

/* Pestaña Cinemática y Consumo */
.cinematica-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .cinematica-grid {
    grid-template-columns: 1fr;
  }
}

.cinematica-box {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.cin-summary-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  background: var(--nautic-bg-card);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 1rem;
}

.cin-stat {
  display: flex;
  flex-direction: column;
}

.cin-label {
  font-size: 0.72rem;
  color: var(--nautic-text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.cin-val {
  font-size: 1.35rem;
  font-weight: 800;
  margin-top: 0.25rem;
}

.fuel-results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.fuel-stat-item {
  background: var(--nautic-bg-card);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.9rem;
  display: flex;
  flex-direction: column;
}

.fuel-label {
  font-size: 0.7rem;
  color: var(--nautic-text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.fuel-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--nautic-text-main);
  margin-top: 0.2rem;
}

.nautical-alert-box {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--nautic-text-main);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-size: 0.82rem;
  margin-top: 1.25rem;
  line-height: 1.45;
}

.nautical-alert-box svg {
  color: var(--nautic-amber);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Fondeo y Mareas */
.fondeo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .fondeo-grid {
    grid-template-columns: 1fr;
  }
}

.fondeo-col {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.tide-breakdown-box {
  background: var(--nautic-bg-card);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 1rem;
}

.tide-breakdown-title {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--nautic-text-dim);
  margin-bottom: 0.6rem;
}

.tide-twelfths-bar {
  display: flex;
  height: 36px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--nautic-border);
  margin-bottom: 1rem;
}

.twelfth-segment {
  flex: 1;
  background: rgba(6, 182, 212, 0.15);
  border-right: 1px solid var(--nautic-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--nautic-cyan);
}

.twelfth-segment.tw-2 {
  flex: 2;
  background: rgba(6, 182, 212, 0.28);
}

.twelfth-segment.tw-3 {
  flex: 3;
  background: rgba(6, 182, 212, 0.45);
}

.twelfth-segment:last-child {
  border-right: none;
}

.tide-calc-output {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

@media (max-width: 500px) {
  .tide-calc-output {
    grid-template-columns: 1fr;
  }
}

.output-item {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
  display: flex;
  flex-direction: column;
}

.output-highlight {
  border-color: var(--nautic-cyan);
  background: rgba(6, 182, 212, 0.08);
}

.out-lbl {
  font-size: 0.68rem;
  color: var(--nautic-text-dim);
  text-transform: uppercase;
}

.out-val {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 0.15rem;
}

.anchor-results-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.anchor-stat {
  background: var(--nautic-bg-card);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.9rem;
  display: flex;
  flex-direction: column;
}

.anchor-label {
  font-size: 0.7rem;
  color: var(--nautic-text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.anchor-val {
  font-size: 1.25rem;
  font-weight: 800;
  margin-top: 0.2rem;
}

/* Meteo Marina en Directo */
.meteo-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 860px) {
  .meteo-cards-grid {
    grid-template-columns: 1fr;
  }
}

.meteo-card {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.meteo-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.meteo-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--nautic-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.meteo-icon-wrap {
  color: var(--nautic-cyan);
}

.meteo-main-val {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.val-number {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--nautic-text-main);
  line-height: 1;
}

.val-unit {
  font-size: 0.85rem;
  color: var(--nautic-text-dim);
}

.meteo-sub-details {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  border-top: 1px solid var(--nautic-border);
  padding-top: 0.85rem;
  font-size: 0.82rem;
}

.meteo-sub-row {
  display: flex;
  justify-content: space-between;
  color: var(--nautic-text-muted);
}

.hourly-forecast-box {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.hourly-forecast-box h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin: 0 0 1rem 0;
}

/* Pestaña Guardia, VHF y RIPA */
.subtabs-guardia {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.subtab-btn {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  color: var(--nautic-text-muted);
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  min-height: 38px;
}

.subtab-btn:hover {
  color: var(--nautic-text-main);
  border-color: var(--nautic-cyan);
}

.subtab-btn.active {
  background: var(--nautic-border-glow);
  color: var(--nautic-cyan);
  border-color: var(--nautic-cyan);
}

.subtab-content {
  display: none;
}

.subtab-content.active {
  display: block;
}

.vhf-channel-badge {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--nautic-border-glow);
  color: var(--nautic-cyan);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
}

.badge-red {
  background: rgba(239, 68, 68, 0.2);
  color: var(--nautic-red);
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.badge-amber {
  background: rgba(245, 158, 11, 0.2);
  color: var(--nautic-amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.tag-priority {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  background: var(--nautic-bg-card-sub);
  color: var(--nautic-text-dim);
}

.tag-critical {
  background: rgba(239, 68, 68, 0.15);
  color: var(--nautic-red);
}

.mayday-generator-card {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.speech-script-box {
  background: #020713;
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 1.25rem;
}

.speech-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
  font-size: 0.78rem;
  color: var(--nautic-text-dim);
}

.btn-copy-script {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  color: var(--nautic-cyan);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.speech-script-text {
  margin: 0;
  color: #38bdf8;
  font-size: 0.88rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Banderas CIS */
.cis-flags-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.85rem;
}

.cis-flag-card {
  background: var(--nautic-bg-card-sub);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.2s;
}

.cis-flag-card:hover {
  border-color: var(--nautic-cyan);
  transform: translateY(-2px);
}

.flag-svg-preview {
  width: 90px;
  height: 60px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  margin-bottom: 0.6rem;
  overflow: hidden;
}

.flag-letter {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--nautic-text-main);
}

.flag-phonetic {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--nautic-cyan);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.flag-meaning {
  font-size: 0.74rem;
  color: var(--nautic-text-muted);
  line-height: 1.35;
}

/* Modales accesibles */
.nautical-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.nautical-modal {
  background: var(--nautic-bg-card);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  animation: modalScale 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

@keyframes modalScale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

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

.modal-header h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--nautic-text-main);
}

.btn-modal-close {
  background: none;
  border: none;
  color: var(--nautic-text-dim);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  padding: 0;
}

.btn-modal-close:hover {
  color: var(--nautic-text-main);
}

.modal-body {
  padding: 1.25rem;
  color: var(--nautic-text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.modal-footer {
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--nautic-border);
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
}

/* Guía SEO y documentación complementaria */
.seo-guide-section {
  width: 100%;
}

.seo-guide-card {
  background: var(--nautic-bg-card);
  border: 1px solid var(--nautic-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
}

.seo-guide-card h2 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  color: var(--nautic-text-main);
  margin-top: 0;
}

.seo-guide-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--nautic-cyan);
  margin-top: 1.75rem;
}

.seo-guide-card p,
.seo-guide-card li {
  color: var(--nautic-text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.seo-guide-card code {
  background: var(--nautic-bg-card-sub);
  color: var(--nautic-cyan);
  font-family: var(--font-mono);
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
}