/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #22253a;
  --border: #2e3250;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #3b82f6;
  --danger: #ef4444;
  --warning: #f97316;
  --caution: #facc15;
  --ok: #22c55e;
  --purple: #7c3aed;
  --radius: 10px;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Header ===== */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-left { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-size: 2rem; }
h1 { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.5px; }
.subtitle { font-size: 0.75rem; color: var(--text-muted); margin-top: 1px; }

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

.pulse-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--ok);
  display: inline-block;
  animation: pulse 2s infinite;
}

.pulse-dot.error { background: var(--danger); animation: none; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.source-pills { display: flex; gap: 5px; align-items: center; }
.update-info { font-size: 0.78rem; color: var(--text-muted); }
.update-info span:first-child { margin-right: 4px; }

.btn-refresh {
  background: var(--accent);
  color: white;
  border: none;
  padding: 7px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.2s;
}
.btn-refresh:hover { background: #2563eb; }
.btn-refresh:disabled { background: var(--bg3); color: var(--text-muted); cursor: not-allowed; }

/* ===== Alert Banner ===== */
.alert-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: linear-gradient(90deg, #7c1d1d, #991b1b);
  border-bottom: 2px solid var(--danger);
  font-size: 0.9rem;
  animation: slideDown 0.3s ease;
}
.alert-banner.hidden { display: none; }
.alert-banner button {
  margin-left: auto;
  background: none;
  border: none;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0.7;
}
.alert-banner button:hover { opacity: 1; }
.alert-icon { font-size: 1.1rem; }

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ===== Stats Bar ===== */
.stats-bar {
  display: flex;
  gap: 1px;
  background: var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 8px;
  background: var(--bg2);
  text-align: center;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card.danger .stat-value { color: var(--danger); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.ok .stat-value { color: var(--ok); }

/* ===== Main Layout ===== */
.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  height: calc(100vh - 160px);
}

/* ===== Sidebar ===== */
.sidebar {
  width: 320px;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.panel {
  background: var(--bg2);
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.panel h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

/* Filters */
.filters-panel { flex-shrink: 0; }

.filter-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.85rem;
}

.filter-group label:first-child { color: var(--text-muted); }

/* Column layout for full-width filter items */
.filter-group--col {
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}
.filter-group--col label { margin-bottom: 0; }

/* Search box */
.search-box {
  display: flex;
  align-items: center;
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.search-box:focus-within { border-color: var(--accent); }

.search-icon { padding: 0 6px 0 8px; font-size: 0.75rem; opacity: 0.6; }

.search-box input[type="text"] {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 6px 4px;
  font-size: 0.82rem;
  outline: none;
}
.search-box input[type="text"]::placeholder { color: var(--text-muted); }

.clear-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 4px 8px;
  cursor: pointer;
  font-size: 0.75rem;
  line-height: 1;
  transition: color 0.2s;
}
.clear-btn:hover { color: var(--danger); }
.clear-btn.hidden { visibility: hidden; }

/* Country select — full width */
.filter-group--col select { width: 100%; }

/* List header with result count */
.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.list-header h2 { margin-bottom: 0; }

.result-count {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}

select {
  background: var(--bg3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 0.82rem;
  cursor: pointer;
}

.range-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

input[type="range"] {
  width: 100px;
  accent-color: var(--accent);
}

.range-label {
  min-width: 28px;
  text-align: right;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

/* Toggle */
.toggle { position: relative; display: inline-block; width: 40px; height: 22px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--bg3);
  border-radius: 22px;
  cursor: pointer;
  transition: 0.3s;
  border: 1px solid var(--border);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 2px; top: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: 0.3s;
}
.toggle input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(18px); background: white; }

.btn-secondary {
  background: var(--bg3);
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.78rem;
  transition: all 0.2s;
}
.btn-secondary:hover { background: var(--accent); color: white; border-color: var(--accent); }
.btn-secondary.active { background: var(--ok); color: white; border-color: var(--ok); }

/* Earthquake List */
.list-panel {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding-bottom: 0;
  min-height: 0;
}

.eq-list {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.eq-list::-webkit-scrollbar { width: 5px; }
.eq-list::-webkit-scrollbar-track { background: transparent; }
.eq-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.loading {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
  font-size: 0.85rem;
}

/* Earthquake Item */
.eq-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 6px;
  padding: 10px 8px;
}
.eq-item:hover { background: var(--bg3); }
.eq-item.highlight { background: rgba(239,68,68,0.1); border-left: 3px solid var(--danger); }

.eq-mag {
  min-width: 44px; height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.eq-info { flex: 1; overflow: hidden; }
.eq-place {
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.eq-meta { font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }

/* Source badge */
.src-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  letter-spacing: 0.3px;
  vertical-align: middle;
}
.src-usgs    { background: rgba(59,130,246,0.2);  color: #60a5fa; }
.src-emsc    { background: rgba(34,197,94,0.2);   color: #4ade80; }
.src-iris    { background: rgba(250,204,21,0.2);  color: #fbbf24; }
.src-err     { background: rgba(239,68,68,0.15);  color: #f87171; }
.src-loading { background: rgba(148,163,184,0.1); color: #64748b; }

/* Mag color classes */
.mag-green  { background: rgba(34,197,94,0.15); color: #22c55e; }
.mag-yellow { background: rgba(250,204,21,0.15); color: #facc15; }
.mag-orange { background: rgba(249,115,22,0.15); color: #f97316; }
.mag-red    { background: rgba(239,68,68,0.15); color: #ef4444; }
.mag-purple { background: rgba(124,58,237,0.15); color: #7c3aed; }

/* ===== Map ===== */
.map-container {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#map { width: 100%; height: 100%; }

/* Invertir tiles de OSM para tema oscuro — no afecta marcadores ni popups */
.leaflet-tile-pane {
  filter: invert(1) hue-rotate(180deg) brightness(0.85) contrast(0.9) saturate(0.4);
}

.map-legend {
  position: absolute;
  bottom: 30px;
  right: 10px;
  background: rgba(15,17,23,0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.78rem;
  z-index: 999;
  backdrop-filter: blur(4px);
}

.map-legend h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 5px;
}

.legend-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* ===== Custom Map Popup ===== */
.leaflet-popup-content-wrapper {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.leaflet-popup-tip { background: var(--bg2); }

.popup-mag {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  padding: 8px 0 4px;
}
.popup-place {
  font-size: 0.85rem;
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.popup-details {
  font-size: 0.78rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.popup-details span { display: flex; justify-content: space-between; gap: 12px; }
.popup-details b { color: var(--text-muted); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .main-layout { flex-direction: column; height: auto; }
  .sidebar { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .map-container { height: 50vh; }
  .eq-list { max-height: 300px; }
  .stats-bar { flex-wrap: wrap; }
  .stat-card { min-width: 45%; }
}