:root {
  color-scheme: light dark;
  --bg: #f5f5f0;
  --bg-elev: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --border: #e2e1da;
  --accent: #1d5b79;
  --accent-weak: #dfe9ee;
  --followed-bg: #e7eefb;
  --alert: #b42318;
  --ok: #1a7f37;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] {
  --bg: #111414;
  --bg-elev: #1b1f1f;
  --text: #f0efe9;
  --muted: #b8b5aa;
  --border: #2b3231;
  --accent: #8fd3c8;
  --accent-weak: #24302e;
  --followed-bg: #223a5b;
  --alert: #ff7b6b;
  --ok: #7ad38a;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  gap: 16px;
  align-items: center;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 600;
  overflow: hidden;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.title {
  font-weight: 600;
  font-size: 1.1rem;
}

.subtitle {
  font-size: 0.85rem;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 12px;
}

.nav-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  color: var(--text);
  cursor: pointer;
  font-weight: 500;
}

.nav-btn.active {
  background: var(--accent-weak);
  border-color: var(--accent);
}

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

.theme-toggle {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.filters {
  padding: 20px 28px;
  display: grid;
  gap: 14px;
}

.search label,
.filter-group label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.search input,
.filter-group input,
.filter-group select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-family: inherit;
}

.search input::placeholder,
.filter-group input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.filter-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-group {
  min-width: 140px;
  display: grid;
  gap: 6px;
}

.filter-group.checkbox {
  min-width: 160px;
  padding-bottom: 4px;
}

.chip {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  font-weight: 500;
}

.alerts-banner {
  margin: 0 28px 16px;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--accent-weak);
  border: 1px solid var(--accent);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stats-panel {
  margin: 0 28px 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.stat-card {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-radius: 12px;
  padding: 12px 14px;
  display: grid;
  gap: 6px;
}

.stat-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 600;
}

.stat-sub {
  color: var(--muted);
  font-size: 0.85rem;
}

.alerts-banner strong {
  color: var(--alert);
}

main {
  padding: 0 28px 28px;
}

.table-header {
  display: grid;
  grid-template-columns: 120px 120px 180px 80px 180px 1fr 200px 100px;
  gap: 12px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0 12px 10px;
}

.flights {
  display: grid;
  gap: 10px;
}

.now-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--alert);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
}

.now-divider::before,
.now-divider::after {
  content: "";
  height: 4px;
  background: var(--alert);
  flex: 1;
  border-radius: 999px;
}

.now-divider span {
  white-space: nowrap;
}

.flight-row {
  display: grid;
  grid-template-columns: 120px 120px 180px 80px 180px 1fr 200px 100px;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
}

.flight-row.followed {
  background: var(--followed-bg);
  border-color: color-mix(in srgb, var(--border), var(--followed-bg) 50%);
}

.flight-row.compact .detail {
  display: none;
}

.flight-row .meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
}

.flight-row .status {
  font-weight: 500;
}

.flight-row .status.anomaly {
  color: var(--alert);
}

.flight-row .status.ok {
  color: var(--ok);
}

.flight-row .actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.alerts-list {
  display: grid;
  gap: 10px;
}

.alert-card {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.alert-card .meta {
  font-family: "IBM Plex Mono", monospace;
}

.hidden {
  display: none;
}

.muted {
  color: var(--muted);
}

@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .table-header,
  .flight-row {
    grid-template-columns: 1fr;
  }

  .flight-row {
    gap: 6px;
  }
}