:root {
  --bg: #0b0f19;
  --bg-elevated: #111827;
  --bg-card: #141d2e;
  --border: #1f2937;
  --text: #e5e7eb;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --accent: #3b82f6;
  --accent-soft: rgba(59,130,246,0.15);
  --success: #22c55e;
  --success-soft: rgba(34,197,94,0.15);
  --danger: #ef4444;
  --danger-soft: rgba(239,68,68,0.15);
  --warning: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.35);
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app { min-height: 100vh; display: flex; flex-direction: column; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,15,25,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1400px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { font-size: 18px; font-weight: 700; margin: 0; display: flex; align-items: center; gap: 8px; }
.badge {
  background: var(--accent-soft); color: var(--accent);
  font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600; letter-spacing: 0.02em;
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.status {
  font-size: 12px; font-weight: 500; padding: 4px 10px; border-radius: 999px;
  background: var(--success-soft); color: var(--success);
}
.status.offline { background: var(--danger-soft); color: var(--danger); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  padding: 8px 14px; font-size: 13px; font-weight: 500; cursor: pointer;
  transition: transform .08s ease, box-shadow .15s ease, opacity .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { box-shadow: 0 0 0 3px var(--accent-soft); }
.btn-ghost { background: transparent; color: var(--text-muted); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); background: var(--bg-elevated); }

/* Main */
.main { flex: 1; max-width: 1400px; width: 100%; margin: 0 auto; padding: 24px 20px; }

/* Search */
.search-section { margin-bottom: 20px; }
.search-box {
  display: flex; gap: 10px; max-width: 560px;
}
.search-box input {
  flex: 1; background: var(--bg-card); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 14px; outline: none; font-family: var(--font);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-box input::placeholder { color: var(--text-dim); }
.quick-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.quick-tag {
  font-size: 12px; padding: 5px 10px; border-radius: 999px; cursor: pointer;
  background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text-muted);
  transition: all .15s ease;
}
.quick-tag:hover, .quick-tag.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* Sync Banner */
.sync-banner {
  background: linear-gradient(90deg, rgba(59,130,246,0.12), rgba(34,197,94,0.08));
  border: 1px solid var(--accent-soft);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  flex-wrap: wrap;
}
.sync-banner.hidden { display: none; }
.sync-info { display: flex; flex-direction: column; gap: 2px; }
.sync-info strong { color: var(--accent); font-size: 14px; }
.sync-info span { color: var(--text-muted); font-size: 12px; }

/* Sync Progress */
.sync-progress {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 18px;
}
.sync-progress.hidden { display: none; }
.progress-bar {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  border-radius: 999px;
  transition: width 0.4s ease;
}
.progress-text {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--mono);
}

/* Dashboard */
.dashboard.hidden { display: none; }

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px; margin-bottom: 16px;
}
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .cards-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover { border-color: #2a3a52; }
.card-accent { border-color: var(--accent); background: linear-gradient(180deg, rgba(59,130,246,0.06) 0%, var(--bg-card) 60%); }
.card-label { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; letter-spacing: 0.02em; }
.card-value { font-size: 22px; font-weight: 700; font-family: var(--mono); letter-spacing: -0.02em; }
.card-sub { font-size: 12px; color: var(--text-dim); margin-top: 4px; font-family: var(--mono); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* DB Stats */
.db-stats {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 14px;
}
.db-stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--mono);
}
.db-stat b { color: var(--text); }

/* Toolbar */
.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px; flex-wrap: wrap; gap: 10px;
}
.period-picker { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border);
  border-radius: 999px; padding: 6px 14px; font-size: 12px; font-weight: 500; cursor: pointer;
  transition: all .15s ease;
}
.chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.chip:hover:not(.active) { color: var(--text); border-color: var(--text-dim); }
.toolbar-right { display: flex; align-items: center; gap: 10px; }
.cache-badge {
  font-size: 11px; padding: 3px 8px; border-radius: 999px;
  background: var(--warning); color: #0b0f19; font-weight: 700;
}
.load-time { font-size: 12px; color: var(--text-dim); font-family: var(--mono); }

/* Table */
.table-wrap {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
}
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table thead { background: var(--bg-elevated); }
.data-table th {
  text-align: right; padding: 10px 12px; font-weight: 600; color: var(--text-muted);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; white-space: nowrap;
}
.data-table th:first-child { text-align: left; }
.data-table td {
  padding: 10px 12px; border-top: 1px solid var(--border);
  text-align: right; font-family: var(--mono); font-size: 12px; white-space: nowrap;
}
.data-table td:first-child { text-align: left; font-weight: 600; }
.data-table tbody tr:hover { background: rgba(255,255,255,0.03); }
.data-table .neg { color: var(--danger); }
.data-table .pos { color: var(--success); }

/* Responsive table */
@media (max-width: 1100px) {
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .data-table { min-width: 1100px; }
}

/* Skeleton */
.skeleton-table { padding: 12px; }
.skeleton-row::before {
  content: ''; display: block; height: 40px;
  background: linear-gradient(90deg, var(--bg-elevated) 25%, #1a2438 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%; animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm); margin-bottom: 8px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Empty state */
.empty-state {
  text-align: center; padding: 80px 20px; color: var(--text-muted);
}
.empty-icon { color: var(--text-dim); margin-bottom: 16px; }
.empty-state h2 { font-size: 18px; font-weight: 600; color: var(--text); margin: 0 0 8px; }
.empty-state p { max-width: 420px; margin: 0 auto; font-size: 14px; }

/* Footer */
.footer {
  border-top: 1px solid var(--border); padding: 16px 20px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--text-dim); max-width: 1400px; margin: 0 auto; width: 100%;
}
@media (max-width: 640px) {
  .footer { flex-direction: column; gap: 6px; text-align: center; }
  .header-inner { flex-direction: column; gap: 10px; }
  .search-box { max-width: 100%; }
  .sync-banner { flex-direction: column; align-items: flex-start; }
}