/* ===========================
   Vessel Tracker Map — Premium Styles
   =========================== */
:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --bg-card: rgba(30, 41, 59, 0.85);
  --bg-hover: rgba(239, 68, 68, 0.08);
  --border: rgba(255,255,255,0.06);
  --border-active: rgba(239, 68, 68, 0.4);
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent: #EF4444;
  --accent-light: #F87171;
  --accent-pale: #FECACA;
  --accent-glow: rgba(239, 68, 68, 0.15);
  --success: #34D399;
  --warning: #FBBF24;
  --info: #38BDF8;
  --glass: rgba(15, 23, 42, 0.8);
  --glass-border: rgba(255,255,255,0.08);
}

[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F1F5F9;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-hover: rgba(239, 68, 68, 0.06);
  --border: rgba(0,0,0,0.08);
  --border-active: rgba(239, 68, 68, 0.4);
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --accent: #EF4444;
  --accent-light: #F87171;
  --accent-pale: #FECACA;
  --accent-glow: rgba(239, 68, 68, 0.1);
  --success: #059669;
  --warning: #D97706;
  --info: #0284C7;
  --glass: rgba(248, 250, 252, 0.9);
  --glass-border: rgba(0,0,0,0.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg-primary); color: var(--text-primary); display: flex; flex-direction: column; transition: background var(--transition), color var(--transition); overflow: hidden; }

/* Header */
.header { z-index: 1000; background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--glass-border); }
.header-content { max-width: 100%; padding: 0.625rem 1.25rem; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 0.625rem; }
.logo-text { font-size: 1rem; font-weight: 700; letter-spacing: -0.02em; background: linear-gradient(135deg, var(--accent), var(--accent-pale)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.header-actions { display: flex; align-items: center; gap: 0.5rem; }

.search-wrapper { display: flex; align-items: center; gap: 0.375rem; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 999px; padding: 0.375rem 0.75rem; transition: border-color var(--transition); }
.search-wrapper:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.search-wrapper svg { color: var(--text-muted); flex-shrink: 0; }
.search-input { border: none; background: none; outline: none; font-family: var(--font); font-size: 0.8125rem; color: var(--text-primary); width: 180px; }

.icon-btn { width: 36px; height: 36px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-card); color: var(--text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.icon-btn:hover { background: var(--bg-hover); color: var(--accent); border-color: var(--border-active); }
.icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* Filter bar */
.filter-bar { display: flex; align-items: center; gap: 0.375rem; padding: 0.375rem 1.25rem; border-top: 1px solid var(--border); overflow-x: auto; }
.filter-label { font-size: 0.6875rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-right: 0.25rem; }
.filter-btn { padding: 0.25rem 0.625rem; border: 1px solid var(--border); border-radius: 999px; background: none; color: var(--text-secondary); font-family: var(--font); font-size: 0.6875rem; font-weight: 500; cursor: pointer; transition: all var(--transition); white-space: nowrap; }
.filter-btn:hover { border-color: var(--border-active); color: var(--accent); }
.filter-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

/* Layout */
.app-layout { flex: 1; display: flex; position: relative; overflow: hidden; }
.map-container { flex: 1; z-index: 1; }
.sidebar { width: 340px; background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-left: 1px solid var(--glass-border); z-index: 10; overflow-y: auto; transition: transform 0.3s ease; }
.sidebar.collapsed { transform: translateX(100%); }
.sidebar-content { padding: 1.25rem; }
.sidebar-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem; padding: 3rem 1rem; text-align: center; color: var(--text-muted); font-size: 0.8125rem; }

/* Vessel detail */
.vessel-detail { animation: fadeIn 0.3s ease; }
.vessel-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.vessel-type-badge { padding: 0.25rem 0.625rem; border-radius: 999px; font-size: 0.625rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.vessel-type-badge.cargo { background: rgba(59, 130, 246, 0.15); color: #3B82F6; }
.vessel-type-badge.tanker { background: rgba(239, 68, 68, 0.15); color: #EF4444; }
.vessel-type-badge.passenger { background: rgba(16, 185, 129, 0.15); color: #10B981; }
.vessel-type-badge.fishing { background: rgba(245, 158, 11, 0.15); color: #F59E0B; }
.vessel-type-badge.tug { background: rgba(139, 92, 246, 0.15); color: #8B5CF6; }
.vessel-name { font-size: 1.125rem; font-weight: 700; }
.vessel-flag { font-size: 1.25rem; }
.detail-section { margin-bottom: 1rem; }
.detail-title { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 0.5rem; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.detail-item { padding: 0.5rem; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-xs); }
.detail-label { font-size: 0.625rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }
.detail-value { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); margin-top: 0.125rem; }
.detail-item.full { grid-column: 1/-1; }

/* Route history */
.route-list { display: flex; flex-direction: column; gap: 0.375rem; }
.route-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem; border-radius: var(--radius-xs); transition: background var(--transition); }
.route-item:hover { background: var(--bg-hover); }
.route-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.route-dot.port { background: var(--success); }
.route-info { flex: 1; }
.route-port { font-size: 0.8125rem; font-weight: 500; }
.route-time { font-size: 0.6875rem; color: var(--text-muted); }

/* Stats overlay */
.stats-overlay { position: fixed; bottom: 1.25rem; left: 1.25rem; z-index: 1000; display: flex; gap: 0.5rem; }
.stat-pill { display: flex; align-items: center; gap: 0.375rem; padding: 0.375rem 0.75rem; background: var(--glass); backdrop-filter: blur(12px); border: 1px solid var(--glass-border); border-radius: 999px; font-size: 0.75rem; font-weight: 500; color: var(--text-secondary); }
.stat-dot { width: 8px; height: 8px; border-radius: 50%; }
.stat-dot.active { background: var(--success); box-shadow: 0 0 6px var(--success); }
.stat-dot.port { background: var(--info); }

/* Leaflet overrides */
.leaflet-control-zoom { border: 1px solid var(--border) !important; border-radius: var(--radius-sm) !important; overflow: hidden; }
.leaflet-control-zoom a { background: var(--bg-card) !important; color: var(--text-primary) !important; border: none !important; border-bottom: 1px solid var(--border) !important; width: 34px !important; height: 34px !important; line-height: 34px !important; font-size: 16px !important; }
.leaflet-control-zoom a:last-child { border-bottom: none !important; }
.leaflet-control-zoom a:hover { background: var(--bg-hover) !important; color: var(--accent) !important; }
.leaflet-popup-content-wrapper { background: var(--bg-card) !important; color: var(--text-primary) !important; border-radius: var(--radius-sm) !important; border: 1px solid var(--border) !important; box-shadow: 0 8px 32px rgba(0,0,0,0.3) !important; }
.leaflet-popup-tip { background: var(--bg-card) !important; }
.leaflet-popup-content { font-family: var(--font) !important; font-size: 0.8125rem !important; margin: 0.75rem !important; }

/* Toast */
.toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 2000; display: flex; flex-direction: column; gap: 0.5rem; }
.toast { padding: 0.75rem 1rem; border-radius: var(--radius-sm); background: var(--bg-secondary); border: 1px solid var(--border); box-shadow: 0 8px 32px rgba(0,0,0,0.18); font-size: 0.8125rem; max-width: 320px; animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards; }
.toast.success { border-left: 3px solid var(--success); }
.toast.info { border-left: 3px solid var(--info); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateX(20px); } }

@media (max-width: 768px) {
  .sidebar { position: absolute; right: 0; top: 0; bottom: 0; width: 300px; }
  .sidebar.collapsed { transform: translateX(100%); }
  .search-input { width: 120px; }
}
@media (max-width: 480px) {
  .sidebar { width: 100%; }
  .search-input { width: 100px; }
  .stats-overlay { left: 0.75rem; bottom: 0.75rem; }
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }