/**
 * Estilos del Centro Científico de Tiempo Atómico y Reloj Mundial
 * Fijate Tools - Estándar Canónico
 */

:root {
  /* Paleta Técnica Modo Oscuro (Predeterminado) */
  --bg-primary: #070a10;
  --bg-surface: #0e1420;
  --bg-surface-elevated: #151e2e;
  --bg-surface-active: #1c273c;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-glow: rgba(0, 229, 255, 0.35);

  --text-primary: #f0f4fc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #00e5ff;
  --accent-cyan-rgb: 0, 229, 255;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-blue: #3b82f6;

  --dial-bg: #0b101b;
  --dial-border: #1e293b;
  --dial-mark: #64748b;
  --dial-mark-hour: #cbd5e1;
  --dial-hand-hour: #f8fafc;
  --dial-hand-min: #e2e8f0;
  --dial-hand-sec: #f43f5e;

  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --glow-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-active: #e2e8f0;

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.16);
  --border-glow: rgba(0, 150, 214, 0.4);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-cyan: #0284c7;
  --accent-cyan-rgb: 2, 132, 199;
  --accent-amber: #d97706;
  --accent-emerald: #059669;
  --accent-rose: #e11d48;
  --accent-blue: #2563eb;

  --dial-bg: #ffffff;
  --dial-border: #cbd5e1;
  --dial-mark: #94a3b8;
  --dial-mark-hour: #334155;
  --dial-hand-hour: #0f172a;
  --dial-hand-min: #334155;
  --dial-hand-sec: #e11d48;

  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --glow-shadow: 0 0 15px rgba(2, 132, 199, 0.1);
}

/* Reset y base del cuerpo */
*, *::before, *::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Contenedor canónico de la herramienta */
.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  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;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* ==========================================================================
   MÓDULO 1: CONSOLA DEL RELOJ ATÓMICO MAESTRO
   ========================================================================== */
.atomic-master-deck {
  background: linear-gradient(145deg, var(--bg-surface) 0%, var(--bg-surface-elevated) 100%);
  border: 1px solid var(--border-medium);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow), var(--glow-shadow);
  position: relative;
  overflow: hidden;
}

.atomic-master-deck::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-emerald), var(--accent-blue));
}

.atomic-deck-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.atomic-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(var(--accent-cyan-rgb), 0.1);
  border: 1px solid rgba(var(--accent-cyan-rgb), 0.3);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.02em;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  position: relative;
}

.pulse-indicator.live::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background-color: inherit;
  opacity: 0.7;
  animation: pulse-ring 1.8s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(2.4); opacity: 0; }
}

.atomic-specs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.spec-tag {
  background: var(--bg-surface-active);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
}

.atomic-main-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.utc-clock-box {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.utc-label-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.utc-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: none;
}

.utc-iso-tag {
  background: var(--accent-cyan);
  color: #050810;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.utc-digits-row {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  line-height: 1;
}

.utc-digits {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.utc-millis {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 600;
  color: var(--accent-cyan);
  opacity: 0.9;
}

.utc-date-row {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

.atomic-sync-control-box {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.85rem;
}

.sync-status-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: right;
}

.sync-icon-ring {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(var(--accent-cyan-rgb), 0.1);
  border: 1px solid rgba(var(--accent-cyan-rgb), 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  transition: transform var(--transition-normal);
}

.sync-icon-ring.is-syncing {
  animation: spin-sync 1s linear infinite;
  color: var(--accent-amber);
  border-color: var(--accent-amber);
}

@keyframes spin-sync {
  100% { transform: rotate(360deg); }
}

.sync-status-text {
  display: flex;
  flex-direction: column;
}

.sync-status-text strong {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.sync-status-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-atomic-sync {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 42px;
  transition: all var(--transition-fast);
}

.btn-atomic-sync:hover {
  background: var(--accent-cyan);
  color: #050810;
  box-shadow: 0 0 15px rgba(var(--accent-cyan-rgb), 0.4);
}

.btn-atomic-sync:active {
  transform: scale(0.98);
}

/* Rejilla de escalas atómicas y astronómicas */
.atomic-scales-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.scale-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.scale-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.scale-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.scale-code {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.scale-offset {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  background: var(--bg-surface-active);
  color: var(--text-muted);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.scale-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin: 0.2rem 0;
}

.scale-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   MÓDULO 2: BARRA DE HERRAMIENTAS Y CONTROL
   ========================================================================== */
.world-clock-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
}

.toolbar-left-group, .toolbar-right-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-tool-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: var(--accent-cyan);
  color: #050810;
  border: none;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 40px;
  transition: all var(--transition-fast);
}

.btn-tool-action:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 12px rgba(var(--accent-cyan-rgb), 0.35);
}

.btn-tool-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  padding: 0.55rem 0.95rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  min-height: 40px;
  transition: all var(--transition-fast);
}

.btn-tool-secondary:hover {
  background: var(--bg-surface-active);
  border-color: var(--border-glow);
}

/* Selector Segmentado (Digital / Analógico / Mixto) */
.segmented-control {
  display: inline-flex;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}

.seg-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 34px;
  transition: all var(--transition-fast);
}

.seg-btn:hover {
  color: var(--text-primary);
}

.seg-btn.is-active {
  background: var(--bg-surface-elevated);
  color: var(--accent-cyan);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Popover de Ajustes */
.settings-dropdown-wrapper {
  position: relative;
}

.settings-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  box-shadow: var(--card-shadow);
  border-radius: 12px;
  padding: 1.15rem;
  width: 290px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  animation: popover-fade-in 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.settings-popover[hidden],
.settings-row[hidden] {
  display: none !important;
}

@keyframes popover-fade-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.settings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.setting-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.mini-toggle-group {
  display: inline-flex;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 2px;
}

.btn-mini-opt {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-mini-opt.is-active {
  background: var(--accent-cyan);
  color: #050810;
}

.switch-control {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch-control input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--bg-surface-active);
  border: 1px solid var(--border-medium);
  border-radius: 24px;
  transition: var(--transition-fast);
}

.switch-slider::before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-secondary);
  border-radius: 50%;
  transition: var(--transition-fast);
}

.switch-control input:checked + .switch-slider {
  background-color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.switch-control input:checked + .switch-slider::before {
  transform: translateX(20px);
  background-color: #050810;
}

.settings-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

.btn-reset-defaults {
  background: transparent;
  border: none;
  color: var(--accent-rose);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0.25rem 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn-reset-defaults:hover {
  opacity: 0.8;
}

/* ==========================================================================
   MÓDULO 3: PLANIFICADOR HORARIO 24H (MÁQUINA DEL TIEMPO)
   ========================================================================== */
.time-scrubber-deck {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.scrubber-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.scrubber-title-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
}

.scrubber-title-group svg {
  color: var(--accent-amber);
}

.scrubber-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.scrubber-current-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.btn-live-return {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  min-height: 34px;
  transition: all var(--transition-fast);
}

.btn-live-return .live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

.btn-live-return.is-active {
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
}

.btn-live-return.is-active .live-dot {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.scrubber-slider-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.scrubber-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(
    90deg,
    #1e293b 0%,
    #1e293b 33.3%,
    #0284c7 33.3%,
    #059669 75%,
    #f59e0b 85%,
    #1e293b 100%
  );
  outline: none;
  cursor: pointer;
}

.scrubber-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-amber);
  border: 3px solid #ffffff;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.6);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.scrubber-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.scrubber-timeline-ticks {
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 0 4px;
}

.scrubber-legend {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-color {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.legend-color.day { background-color: var(--accent-emerald); }
.legend-color.evening { background-color: var(--accent-amber); }
.legend-color.night { background-color: #334155; }

/* ==========================================================================
   MÓDULO 4: CUADRÍCULA DE RELOJES MUNDIALES
   ========================================================================== */
.world-clocks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}

.clock-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--card-shadow);
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.clock-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.clock-card.is-reference {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(var(--accent-cyan-rgb), 0.2);
}

.clock-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.city-main-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.city-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.city-flag {
  font-size: 1.35rem;
  line-height: 1;
}

.city-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.city-country-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.city-tags-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.2rem;
}

.badge-tz-offset {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--bg-surface-active);
  color: var(--text-secondary);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.badge-solar-status {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.badge-solar-status.is-day {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.badge-solar-status.is-night {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
}

.badge-solar-status.is-twilight {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
}

.city-relative-diff {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.clock-card-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.btn-card-action {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-card-action:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.btn-card-action.btn-remove:hover {
  color: var(--accent-rose);
}

/* Visualización Reloj Analógico */
.clock-analog-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.5rem 0;
}

.clock-dial-svg {
  width: 170px;
  height: 170px;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
}

.dial-circle-outer {
  fill: var(--dial-bg);
  stroke: var(--dial-border);
  stroke-width: 4;
}

.dial-tick-min {
  stroke: var(--dial-mark);
  stroke-width: 1.2;
}

.dial-tick-hour {
  stroke: var(--dial-mark-hour);
  stroke-width: 2.6;
}

.dial-number {
  fill: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  font-size: 10px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: central;
}

.dial-hand-hour {
  stroke: var(--dial-hand-hour);
  stroke-width: 4;
  stroke-linecap: round;
}

.dial-hand-min {
  stroke: var(--dial-hand-min);
  stroke-width: 2.8;
  stroke-linecap: round;
}

.dial-hand-sec {
  stroke: var(--dial-hand-sec);
  stroke-width: 1.6;
  stroke-linecap: round;
}

.dial-center-pin {
  fill: var(--dial-hand-sec);
}

.dial-center-cap {
  fill: var(--text-primary);
}

/* Visualización Reloj Digital */
.clock-digital-display {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.9rem 1.15rem;
  text-align: center;
}

.digital-time-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.35rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  line-height: 1;
}

.digital-digits {
  font-size: 2.2rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.digital-period {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.digital-millis {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.digital-date-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Clases de conmutación de vista */
.view-digital-only .clock-analog-container { display: none !important; }
.view-analog-only .clock-digital-display { display: none !important; }
.view-mixed .clock-analog-container { padding-bottom: 0; }

/* ==========================================================================
   MÓDULO 5: PLANISFERIO TERRESTRE DÍA / NOCHE
   ========================================================================== */
.solar-map-deck {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.solar-map-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.solar-map-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.solar-map-title svg {
  color: var(--accent-cyan);
}

.solar-map-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.map-view-toggle {
  display: inline-flex;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 3px;
  gap: 3px;
}

.btn-map-view {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  min-height: 32px;
  transition: all var(--transition-fast);
}

.btn-map-view:hover {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

.btn-map-view.is-active {
  background: var(--accent-cyan);
  color: #050810;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.map-layer-selector {
  display: inline-flex;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 2px;
  gap: 2px;
}

.btn-map-layer {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-map-layer:hover {
  color: var(--text-primary);
}

.btn-map-layer.is-active {
  background: var(--accent-cyan);
  color: #050810;
}

.subsolar-badge {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
}

.solar-map-stage-wrapper {
  position: relative;
  width: 100%;
}

.solar-map-canvas-container {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  background-color: #03060c;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-medium);
}

.solar-map-canvas-container[hidden],
.globe-3d-stage[hidden] {
  display: none !important;
}

#solar-world-map-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.map-tooltip {
  position: absolute;
  background: rgba(14, 20, 32, 0.95);
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  pointer-events: none;
  z-index: 10;
  white-space: nowrap;
  transform: translate(-50%, -125%);
  backdrop-filter: blur(4px);
}

/* ==========================================================================
   VISOR 3D GLOBO TERRÁQUEO WEBGL
   ========================================================================== */
.globe-3d-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  min-height: 420px;
  background: radial-gradient(circle at center, #071326 0%, #030712 100%);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-medium);
}

.globe-3d-canvas-wrapper {
  position: absolute;
  inset: 0;
  cursor: grab;
}

.globe-3d-canvas-wrapper:active {
  cursor: grabbing;
}

.globe-3d-controls-overlay {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  gap: 0.5rem;
  z-index: 10;
  pointer-events: auto;
}

.btn-globe-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(11, 19, 36, 0.88);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.btn-globe-action:hover {
  background: rgba(15, 26, 48, 0.98);
  color: var(--text-primary);
  border-color: var(--accent-cyan);
}

.btn-globe-action.is-active {
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
}

.autorotate-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

.btn-globe-action.is-active .autorotate-dot {
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.globe-3d-hint {
  position: absolute;
  bottom: 0.75rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

.globe-3d-tooltip {
  position: absolute;
  background: rgba(14, 20, 32, 0.95);
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  pointer-events: none;
  z-index: 20;
  white-space: nowrap;
  transform: translate(-50%, -125%);
  backdrop-filter: blur(6px);
}

.solar-map-footer {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   MÓDULO 6: GUÍA CIENTÍFICA Y PREGUNTAS FRECUENTES
   ========================================================================== */
.science-faq-deck {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: var(--card-shadow);
}

.science-faq-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 0;
  margin-bottom: 1.25rem;
}

.science-articles-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.science-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.science-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin: 0;
}

.science-card p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

/* ==========================================================================
   MODALES ACCESIBLES Y NOTIFICACIONES
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 12, 0.75);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay[hidden] {
  display: none !important;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 16px;
  width: 100%;
  max-width: 580px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  animation: modal-fade-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-card-small {
  max-width: 440px;
}

@keyframes modal-fade-in {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

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

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.modal-title-wrap svg {
  color: var(--accent-cyan);
}

.modal-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.btn-modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-modal-close:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.modal-body {
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
  min-height: 240px;
}

.search-input-wrapper {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.input-city-search {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: 10px;
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  min-height: 44px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-city-search:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(var(--accent-cyan-rgb), 0.2);
}

.search-results-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 380px;
  overflow-y: auto;
}

.search-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-result-item:hover {
  background: var(--bg-surface-active);
  border-color: var(--accent-cyan);
  transform: translateX(4px);
}

.search-result-item.is-already-added {
  opacity: 0.6;
  cursor: not-allowed;
  border-style: dashed;
}

.result-item-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.result-item-flag {
  font-size: 1.35rem;
}

.result-item-names {
  display: flex;
  flex-direction: column;
}

.result-item-city {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.result-item-country {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.result-item-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent-cyan);
  background: var(--bg-primary);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

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

.btn-modal-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  padding: 0.55rem 1.15rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  min-height: 40px;
}

.btn-modal-danger {
  background: var(--accent-rose);
  color: #ffffff;
  border: none;
  padding: 0.55rem 1.15rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  min-height: 40px;
}

/* Toast de Notificación */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-surface);
  border: 1px solid var(--accent-emerald);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  color: var(--text-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 10000;
  font-size: 0.9rem;
  font-weight: 500;
  animation: toast-slide-up 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes toast-slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.toast-icon {
  color: var(--accent-emerald);
  font-weight: 800;
}

/* ==========================================================================
   ADAPTABILIDAD RESPONSIVE Y ERGONOMÍA MÓVIL
   ========================================================================== */
@media (max-width: 1024px) {
  .atomic-scales-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .science-articles-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .atomic-deck-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .atomic-main-display {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem;
  }
  .atomic-sync-control-box {
    align-items: flex-start;
    width: 100%;
  }
  .sync-status-indicator {
    text-align: left;
  }
  .btn-atomic-sync {
    width: 100%;
  }
  .atomic-scales-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .world-clock-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .toolbar-left-group, .toolbar-right-group {
    width: 100%;
    justify-content: space-between;
  }
  .btn-add-city, .btn-tool-secondary {
    flex: 1 1 0%;
    width: 0;
    min-width: 0;
  }
  .world-clocks-grid {
    grid-template-columns: 1fr;
  }
  .toast-notification {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .atomic-scales-grid {
    grid-template-columns: 1fr;
  }
  .segmented-control {
    width: 100%;
  }
  .seg-btn {
    flex: 1;
    justify-content: center;
  }
}