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

:root {
  --bg: #080c14;
  --bg-card: #0f1420;
  --bg-card-hover: #151c2c;
  --bg-nav: #0a0f1a;
  --border: #1e293b;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --dive: #3b82f6;
  --dive-glow: rgba(59, 130, 246, 0.15);
  --amber: #fbbf24;
  --green: #22c55e;
  --red: #ef4444;
  --purple: #a855f7;
  --font: 'Inter', -apple-system, system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', monospace;
  --radius: 12px;
  --nav-height: 56px;
}

html { font-size: 15px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===== Navigation ===== */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 1000;
  backdrop-filter: blur(12px);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-icon {
  font-size: 1.3rem;
}

.nav-title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--accent), var(--dive));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-tabs {
  display: flex;
  gap: 4px;
}

.tab {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.87rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.tab.active { color: var(--accent); background: var(--accent-glow); }

/* ===== Views ===== */
.view {
  display: none;
  padding: calc(var(--nav-height) + 24px) 24px 80px;
  max-width: 1400px;
  margin: 0 auto;
}

.view.active { display: block; }

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 48px 0 36px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-number {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--mono);
  background: linear-gradient(135deg, var(--accent), var(--dive));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.hero-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

.hero-daterange {
  margin-top: 16px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ===== Cards ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s;
}

.card:hover { border-color: rgba(0, 212, 255, 0.2); }

.card h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

/* ===== Dashboard Grid ===== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card-wide { grid-column: 1 / -1; }

/* Country Grid */
.country-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.country-card {
  background: var(--bg-card-hover);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: transform 0.15s;
  cursor: default;
}

.country-card:hover { transform: translateY(-2px); }

.country-flag {
  font-size: 1.8rem;
  line-height: 1;
}

.country-info { flex: 1; min-width: 0; }

.country-name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.country-meta {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.country-meta .val {
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.75rem;
}

/* ===== Map ===== */
.map-container {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
}

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

.map-controls {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 10;
}

.map-btn {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.map-btn:hover { color: var(--text); border-color: var(--text-dim); }
.map-btn.active { color: var(--accent); border-color: var(--accent); background: var(--accent-glow); }

.map-legend {
  position: absolute;
  bottom: 24px;
  left: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.78rem;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ===== Map popups ===== */
.maplibregl-popup-content {
  background: var(--bg-card) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
  border-radius: 10px !important;
  padding: 12px 16px !important;
  font-family: var(--font) !important;
  font-size: 0.82rem !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5) !important;
}

.maplibregl-popup-close-button {
  color: var(--text-dim) !important;
  font-size: 1.1rem !important;
  right: 6px !important;
  top: 4px !important;
}

.maplibregl-popup-anchor-bottom .maplibregl-popup-tip { border-top-color: var(--bg-card) !important; }
.maplibregl-popup-anchor-top .maplibregl-popup-tip { border-bottom-color: var(--bg-card) !important; }
.maplibregl-popup-anchor-left .maplibregl-popup-tip { border-right-color: var(--bg-card) !important; }
.maplibregl-popup-anchor-right .maplibregl-popup-tip { border-left-color: var(--bg-card) !important; }

.popup-title { font-weight: 600; font-size: 0.9rem; margin-bottom: 4px; }
.popup-meta { color: var(--text-muted); line-height: 1.6; }
.popup-meta span { color: var(--accent); font-family: var(--mono); }

/* ===== POIs ===== */
.poi-header {
  margin-bottom: 24px;
}

.poi-summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
}

.poi-count {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--amber);
}

.poi-count-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.poi-filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.poi-categories {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.poi-cat-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.poi-cat-btn:hover { color: var(--text); border-color: var(--text-dim); }
.poi-cat-btn.active { color: var(--amber); border-color: var(--amber); background: rgba(251, 191, 36, 0.1); }

.poi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}

.poi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  gap: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.poi-card:hover {
  border-color: rgba(251, 191, 36, 0.3);
  transform: translateY(-1px);
}

.poi-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
}

.poi-info {
  flex: 1;
  min-width: 0;
}

.poi-name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.poi-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.poi-meta {
  display: flex;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.poi-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.poi-badge {
  display: inline-block;
  background: rgba(251, 191, 36, 0.1);
  color: var(--amber);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: capitalize;
}

/* ===== Dives ===== */
.dive-stats-bar {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.dive-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  flex: 1;
  min-width: 140px;
  text-align: center;
}

.dive-stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--dive);
}

.dive-stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.dive-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.chart-container { position: relative; width: 100%; }
.chart-container canvas { width: 100% !important; }
.chart-small { max-height: 260px; }
.chart-tall { min-height: 300px; }

/* Buddy list */
.buddy-list { display: flex; flex-direction: column; gap: 8px; }

.buddy-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
}

.buddy-rank {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-card-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--mono);
}

.buddy-name { flex: 1; color: var(--text); }
.buddy-count { color: var(--accent); font-family: var(--mono); font-size: 0.82rem; }

.buddy-bar {
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.3;
}

/* Dive cards (dashboard) */
.dive-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.dive-card {
  background: var(--bg-card-hover);
  border-radius: 10px;
  padding: 14px 16px;
}

.dive-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.dive-card-num {
  font-weight: 600;
  color: var(--dive);
  font-family: var(--mono);
}

.dive-card-date {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.dive-card-location {
  font-size: 0.85rem;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dive-card-stats {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.dive-card-stats span { font-family: var(--mono); color: var(--text); }

/* ===== Table ===== */
.table-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.search-input, .filter-select {
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus, .filter-select:focus { border-color: var(--accent); }
.search-input { flex: 1; }
.filter-select { min-width: 160px; }
.filter-select option { background: var(--bg-card); }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.72rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(30, 41, 59, 0.5);
  white-space: nowrap;
}

tr:hover td { background: rgba(255,255,255,0.02); }

.rating-stars { color: var(--amber); letter-spacing: 1px; }
.depth-value { color: var(--dive); font-family: var(--mono); }
.temp-value { color: var(--amber); font-family: var(--mono); }

/* ===== Timeline ===== */
.timeline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.country-timeline {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ct-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ct-country {
  width: 100px;
  text-align: right;
  font-size: 0.82rem;
  font-weight: 500;
  flex-shrink: 0;
}

.ct-bar-wrap {
  flex: 1;
  height: 28px;
  position: relative;
  background: rgba(255,255,255,0.02);
  border-radius: 4px;
}

.ct-bar {
  position: absolute;
  height: 100%;
  border-radius: 4px;
  opacity: 0.7;
  transition: opacity 0.2s;
  cursor: pointer;
}

.ct-bar:hover { opacity: 1; }

/* ===== Stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.ranking-list { display: flex; flex-direction: column; gap: 6px; }

.rank-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  background: var(--bg-card-hover);
}

.rank-num {
  width: 22px;
  font-weight: 700;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.rank-num.gold { color: var(--amber); }
.rank-num.silver { color: #cbd5e1; }
.rank-num.bronze { color: #d97706; }

.rank-info { flex: 1; min-width: 0; }
.rank-title { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-sub { font-size: 0.72rem; color: var(--text-dim); }
.rank-value { font-family: var(--mono); font-weight: 600; color: var(--dive); }

/* Records grid */
.records-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.record-card {
  background: var(--bg-card-hover);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.record-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.record-value {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--accent);
}

.record-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== Footer ===== */
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-nav);
  border-top: 1px solid var(--border);
  padding: 8px 24px;
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0;
  z-index: 999;
}

footer .sep { margin: 0 12px; }

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.view.active { animation: fadeIn 0.3s ease; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-stats { gap: 32px; }
  .hero-number { font-size: 2.2rem; }
  .dashboard-grid, .dive-grid, .stats-grid { grid-template-columns: 1fr; }
  .card-wide { grid-column: 1; }
  .nav-tabs { gap: 2px; }
  .tab { padding: 6px 10px; font-size: 0.8rem; }
  .dive-stats-bar { flex-direction: column; }
}

@media (max-width: 600px) {
  .hero-stats { gap: 20px; }
  .hero-number { font-size: 1.8rem; }
  .nav-brand { display: none; }
  .view { padding-left: 12px; padding-right: 12px; }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }