:root {
  --radius: 3px;
  --background: oklch(0.19 0.008 250);
  --foreground: oklch(0.93 0.006 250);
  --surface: oklch(0.23 0.009 250);
  --surface-2: oklch(0.26 0.01 250);
  --primary: oklch(0.79 0.14 78);
  --muted: oklch(0.27 0.009 250);
  --muted-foreground: oklch(0.68 0.011 250);
  --destructive: oklch(0.63 0.17 25);
  --ok: oklch(0.72 0.13 155);
  --warn: oklch(0.79 0.14 78);
  --border: oklch(0.32 0.009 250);
  --border-strong: oklch(0.42 0.01 250);
  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
}

*, *::before, *::after { box-sizing: border-box; border-color: var(--border); }

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.005em;
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: var(--safe-bottom);
}

::selection {
  background: color-mix(in oklab, var(--primary) 35%, transparent);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 20;
  padding-top: var(--safe-top);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
}

@media (min-width: 640px) {
  .header-inner { padding: 12px 20px; }
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
}

.badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 2px;
  padding: 2px 6px;
  flex-shrink: 0;
}

.brand h1 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (min-width: 640px) {
  .brand h1 { font-size: 15px; }
}

.coords {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-foreground);
  display: none;
}

@media (min-width: 900px) {
  .coords { display: inline; }
}

.clocks {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-shrink: 0;
}

.clock { text-align: right; }

.clock .time {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
}

@media (min-width: 640px) {
  .clock .time { font-size: 20px; }
}

.clock.utc .time { color: var(--muted-foreground); }

.clock .label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted-foreground);
  margin-top: 2px;
}

.clock.utc { display: none; }
@media (min-width: 640px) {
  .clock.utc { display: block; }
}

.shell {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 12px 24px;
}

@media (min-width: 640px) {
  .shell { padding-left: 20px; padding-right: 20px; }
}

.tabs {
  display: flex;
  align-items: flex-end;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
  position: sticky;
  top: 52px;
  z-index: 15;
  background: var(--background);
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
  min-height: 44px;
}

@media (min-width: 640px) {
  .tab { padding: 10px 16px; font-size: 13px; }
}

.tab:hover { color: var(--foreground); }
.tab.active {
  color: var(--foreground);
  border-bottom-color: var(--primary);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.toolbar input[type="search"] {
  flex: 1 1 100%;
  width: 100%;
  max-width: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--foreground);
  font-family: inherit;
  font-size: 16px; /* avoids iOS zoom */
  padding: 10px 12px;
  outline: none;
  min-height: 44px;
}

@media (min-width: 640px) {
  .toolbar input[type="search"] {
    flex: 1 1 200px;
    max-width: 320px;
    font-size: 13px;
    padding: 8px 12px;
    min-height: 0;
  }
}

.toolbar input[type="search"]:focus {
  border-color: var(--border-strong);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--primary) 25%, transparent);
}

.toolbar input[type="search"]::placeholder {
  color: var(--muted-foreground);
}

.meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-foreground);
  line-height: 1.35;
  width: 100%;
}

@media (min-width: 640px) {
  .meta { width: auto; }
}

.panel { display: none; }
.panel.active { display: block; }

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  margin: 0 -12px;
  border-left: none;
  border-right: none;
}

@media (min-width: 640px) {
  .table-wrap {
    margin: 0;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
  }
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 13px;
}

@media (max-width: 639px) {
  table { min-width: 560px; font-size: 12px; }
}

thead tr {
  background: var(--surface-2);
  text-align: left;
}

th {
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  position: sticky;
  top: 0;
  background: var(--surface-2);
}

@media (min-width: 640px) {
  th { padding: 8px 12px; font-size: 11px; }
}

td {
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  vertical-align: middle;
}

@media (min-width: 640px) {
  td { padding: 6px 12px; }
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: color-mix(in oklab, var(--surface-2) 60%, transparent); }

td.muted, .muted { color: var(--muted-foreground); }

.hide-md { display: none; }
.hide-lg { display: none; }

@media (min-width: 768px) {
  .hide-md { display: table-cell; }
}
@media (min-width: 1024px) {
  .hide-lg { display: table-cell; }
}

.flight-link {
  color: var(--foreground);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--primary) 55%, transparent);
  padding-bottom: 1px;
}

.flight-link:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.flight-cell { white-space: nowrap; }

.iata {
  margin-left: 6px;
  font-size: 11px;
}

.airline-cell {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.place-cell {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status {
  display: inline-block;
  border-left: 2px solid var(--border-strong);
  padding-left: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-foreground);
}

.status.ok {
  border-left-color: var(--ok);
  color: var(--ok);
}

.status.warn {
  border-left-color: var(--warn);
  color: var(--warn);
}

.status.bad {
  border-left-color: var(--destructive);
  color: var(--destructive);
}

.delay {
  margin-left: 4px;
  font-size: 11px;
  color: var(--muted-foreground);
}

.codeshare {
  margin-left: 4px;
  font-size: 11px;
  color: var(--muted-foreground);
}

.airport-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .airport-grid {
    grid-template-columns: 1fr 1fr;
  }
  .card.full { grid-column: 1 / -1; }
}

.card {
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}

.section-title {
  margin: 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.card-body { padding: 12px; }
.card-body.no-pad { padding: 0; }

.fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 0 0 12px;
}

.fields dt {
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin: 0 0 2px;
}

.fields dd {
  margin: 0;
  font-size: 13px;
}

.fields dd.ok { color: var(--ok); }

.metar, .taf {
  margin: 0;
  padding: 10px 12px;
  background: var(--background);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--foreground);
}

@media (min-width: 640px) {
  .metar, .taf { font-size: 12px; }
}

.rwy-table {
  min-width: 0;
  width: 100%;
}

.rwy-table th,
.rwy-table td {
  padding: 8px 12px;
}

.freq-table td:last-child {
  font-weight: 500;
  white-space: nowrap;
}

.wind-components {
  border-top: 1px solid var(--border);
  padding: 12px;
}

.wc-title {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  margin-bottom: 8px;
}

.wc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

@media (min-width: 640px) {
  .wc-grid { grid-template-columns: repeat(4, 1fr); }
}

.wc {
  border: 1px solid var(--border);
  padding: 8px;
}

.wc .strong {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 2px;
}

.wc .muted {
  font-size: 12px;
  color: var(--muted-foreground);
}

.note {
  margin: 8px 0 0;
  font-size: 11px;
  color: var(--muted-foreground);
  line-height: 1.45;
}

.footer {
  margin-top: 24px;
  border-top: 1px solid var(--border);
  padding: 16px 0 calc(16px + var(--safe-bottom));
  font-size: 11px;
  line-height: 1.5;
  color: var(--muted-foreground);
}

.preview-note {
  color: var(--primary);
  font-weight: 500;
}

.empty {
  padding: 24px 12px;
  text-align: center;
  color: var(--muted-foreground);
  font-size: 13px;
}

.notice {
  border-radius: 2px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted-foreground);
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 12px;
}
.notice.bad {
  border-color: color-mix(in oklab, var(--destructive) 60%, transparent);
  background: color-mix(in oklab, var(--destructive) 10%, transparent);
  color: var(--foreground);
}