/* SeatSmart — premium dark-first design system (original; not Flighty trade dress) */
:root {
  color-scheme: dark;
  --bg: #07090F;
  --bg-elev: #0B0E16;
  --card: #12161F;
  --card-2: #181D28;
  --ink: #F2F4F8;
  --ink-dim: #C8CEDA;
  --muted: #8B93A7;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.12);
  --brand: #818CF8;
  --brand-2: #6366F1;
  --accent: #5EEAD4;
  --accent-2: #38BDF8;
  --accent-soft: rgba(94, 234, 212, 0.12);
  --brand-soft: rgba(129, 140, 248, 0.14);
  --good: #34D399;
  --good-bg: rgba(52, 211, 153, 0.14);
  --mixed: #FBBF24;
  --mixed-bg: rgba(251, 191, 36, 0.14);
  --bad: #FB7185;
  --bad-bg: rgba(251, 113, 133, 0.14);
  --violet: #A78BFA;
  --violet-bg: rgba(167, 139, 250, 0.16);
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.28);
  --radius: 20px;
  --radius-sm: 14px;
  --nav-h: 68px;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --press: scale(0.97);
  --space: 8px;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #F2F4F8;
    --bg-elev: #E8ECF3;
    --card: #FFFFFF;
    --card-2: #F7F8FC;
    --ink: #0F1420;
    --ink-dim: #3A4256;
    --muted: #6B7388;
    --line: rgba(15, 20, 32, 0.08);
    --line-strong: rgba(15, 20, 32, 0.14);
    --accent-soft: rgba(15, 118, 110, 0.1);
    --brand-soft: rgba(99, 102, 241, 0.1);
    --good-bg: rgba(5, 150, 105, 0.12);
    --mixed-bg: rgba(217, 119, 6, 0.12);
    --bad-bg: rgba(225, 29, 72, 0.1);
    --violet-bg: rgba(124, 58, 237, 0.1);
    --shadow: 0 10px 32px rgba(15, 23, 42, 0.08);
    --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
    --brand: #6366F1;
    --brand-2: #4F46E5;
    --accent: #0D9488;
    --accent-2: #0284C7;
    --good: #059669;
    --mixed: #D97706;
    --bad: #E11D48;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
html { background: var(--bg); }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  font-feature-settings: "ss01" 1, "cv11" 1;
  letter-spacing: -0.011em;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; -webkit-tap-highlight-color: transparent; }
a { color: var(--accent-2); }

.app {
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
@media (min-width: 900px) {
  body {
    background:
      radial-gradient(1200px 600px at 20% -10%, rgba(129,140,248,.25), transparent 55%),
      radial-gradient(900px 500px at 90% 10%, rgba(94,234,212,.12), transparent 50%),
      #05070C;
  }
  @media (prefers-color-scheme: light) {
    body {
      background:
        radial-gradient(1200px 600px at 20% -10%, rgba(99,102,241,.18), transparent 55%),
        radial-gradient(900px 500px at 90% 10%, rgba(13,148,136,.1), transparent 50%),
        #E6EAF2;
    }
  }
  .app {
    margin: 28px auto;
    height: calc(100% - 56px);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0,0,0,.55), 0 0 0 1px var(--line-strong);
  }
}

/* Splash (brief, then fades) */
.splash {
  position: absolute; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: var(--bg);
  transition: opacity .45s var(--ease), visibility .45s;
}
.splash.hide { opacity: 0; visibility: hidden; pointer-events: none; }
.splash-mark {
  width: 72px; height: 72px; border-radius: 20px;
  background: linear-gradient(145deg, #1a1f2e, #0c1018);
  box-shadow: 0 12px 40px rgba(0,0,0,.4), inset 0 0 0 1px var(--line-strong);
  display: grid; place-items: center;
  animation: splash-pop .6s var(--ease);
}
.splash-mark svg { width: 40px; height: 40px; }
.splash-name {
  margin-top: 16px; text-align: center;
  font-weight: 800; font-size: 20px; letter-spacing: -0.04em;
}
@keyframes splash-pop {
  from { transform: scale(.86); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Top bar */
.topbar {
  padding: calc(10px + var(--safe-t)) 16px 12px;
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px;
  background: linear-gradient(145deg, var(--brand), var(--accent-2));
  display: grid; place-items: center;
  font-weight: 800; letter-spacing: -0.05em; font-size: 13px; color: #fff;
  box-shadow: 0 6px 18px rgba(129,140,248,.35);
}
.brand-text { flex: 1; min-width: 0; }
.brand-text h1 {
  margin: 0; font-size: 17px; font-weight: 750;
  letter-spacing: -0.03em; line-height: 1.15;
}
.brand-text p {
  margin: 2px 0 0; font-size: 12px; color: var(--muted); font-weight: 500;
}
.badge-sample {
  font-size: 10px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  background: var(--card-2); color: var(--muted);
  border: 1px solid var(--line-strong);
  padding: 5px 9px; border-radius: 999px; white-space: nowrap;
  opacity: .85;
}
.icon-btn {
  border: 0; background: var(--card-2); color: var(--ink);
  width: 36px; height: 36px; border-radius: 11px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  transition: transform .12s var(--ease), background .15s;
}
.icon-btn:active { transform: var(--press); }
.icon-btn svg { width: 18px; height: 18px; }

.main {
  flex: 1;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: calc(var(--nav-h) + var(--safe-b) + 16px);
  overscroll-behavior-y: contain;
}

.tab-panel {
  display: none;
  padding: 16px;
  animation: panel-in .32s var(--ease);
}
.tab-panel.active { display: block; }
.tab-panel.push-in { animation: panel-push .38s var(--ease); }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@keyframes panel-push {
  from { opacity: 0; transform: translateX(28px); }
  to { opacity: 1; transform: none; }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  margin-bottom: 14px;
}
.card h2 {
  margin: 0 0 4px; font-size: 17px; font-weight: 750;
  letter-spacing: -0.03em;
}
.card .sub, .sub {
  margin: 0 0 14px; color: var(--muted); font-size: 13px; line-height: 1.45;
}

.field { margin-bottom: 12px; }
.field label {
  display: block; font-size: 12px; font-weight: 650;
  color: var(--muted); margin-bottom: 6px; letter-spacing: 0.01em;
}
.field input, .field select {
  width: 100%; border: 1px solid var(--line-strong); border-radius: 14px;
  padding: 13px 14px; background: var(--card-2); color: var(--ink);
  outline: none; transition: border .15s, box-shadow .15s, background .15s;
}
.field input:focus, .field select:focus {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 14px; padding: 13px 16px; font-weight: 680;
  letter-spacing: -0.01em;
  transition: transform .1s var(--ease), opacity .15s, background .15s, box-shadow .15s;
}
.btn:active { transform: var(--press); }
.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 55%, #4F46E5 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-secondary {
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}
.btn-ghost {
  background: transparent; color: var(--ink-dim);
  border: 1px solid var(--line-strong);
}
.btn-sm { padding: 8px 12px; font-size: 13px; border-radius: 11px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 0; }
.chip {
  border: 1px solid var(--line-strong); background: var(--card-2);
  border-radius: 999px; padding: 8px 12px; font-size: 12px;
  font-weight: 650; color: var(--muted);
  transition: transform .1s var(--ease), background .15s, border-color .15s, color .15s;
}
.chip:active { transform: var(--press); }
.chip.active {
  background: var(--brand-soft);
  border-color: color-mix(in srgb, var(--brand) 40%, transparent);
  color: var(--brand);
}

.num, .tabular {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
}

/* Flight hero / route times */
.flight-hero {
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(94,234,212,.18), transparent 50%),
    linear-gradient(155deg, #151A28 0%, #1A2040 55%, #122038 100%);
  color: #fff; border: 1px solid var(--line-strong); position: relative; overflow: hidden;
}
@media (prefers-color-scheme: light) {
  .flight-hero {
    background:
      radial-gradient(120% 80% at 100% 0%, rgba(13,148,136,.2), transparent 50%),
      linear-gradient(155deg, #312E81 0%, #4338CA 55%, #0E7490 120%);
  }
}
.flight-hero::after {
  content: ""; position: absolute; right: -24px; top: -40px;
  width: 160px; height: 160px; border-radius: 50%;
  background: rgba(255,255,255,.06);
}
.flight-hero .route {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin-top: 10px;
}
.flight-hero .code {
  font-size: 30px; font-weight: 800; letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.flight-hero .meta { font-size: 12px; opacity: .8; margin-top: 2px; }
.flight-hero .plane-line {
  flex: 1; height: 2px; background: rgba(255,255,255,.28); position: relative; margin: 0 10px;
}
.flight-hero .plane-line::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent);
  transform: translate(-50%, -50%);
}
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.kv div {
  background: rgba(255,255,255,.08); border-radius: 14px; padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.06);
}
.kv span { display: block; font-size: 11px; opacity: .72; }
.kv strong { font-size: 14px; font-variant-numeric: tabular-nums; }

/* Seat map */
.map-toolbar {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px;
}
.legend { display: flex; gap: 10px; flex-wrap: wrap; font-size: 11px; color: var(--muted); }
.legend i {
  display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 4px;
  vertical-align: -1px;
}
.legend .g { background: var(--good); }
.legend .m { background: var(--mixed); }
.legend .b { background: var(--bad); }
.legend .h {
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--card), 0 0 0 3px var(--accent);
}

.map-shell {
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(129,140,248,.12), transparent 55%),
    linear-gradient(180deg, #0A0E18, #070A12);
  border-radius: 22px; overflow: hidden;
  height: min(58vh, 520px); position: relative; touch-action: none;
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.map-viewport {
  width: 100%; height: 100%; overflow: hidden; position: relative;
  cursor: grab;
}
.map-viewport.dragging { cursor: grabbing; }
.map-canvas {
  transform-origin: 0 0; will-change: transform;
  padding: 28px 22px 48px; min-width: 100%;
}
.cabin-outline {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 80px / 40px;
  padding: 8px 6px 12px;
  background: rgba(255,255,255,.02);
}
.nose {
  width: 72%; max-width: 230px; height: 52px; margin: 0 auto 18px;
  background: linear-gradient(180deg, #2A3348, #151B28);
  border-radius: 120px 120px 14px 14px; color: #94A3B8;
  display: grid; place-items: center; font-size: 11px; font-weight: 650;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.section-label {
  color: #7B8499; font-size: 11px; font-weight: 750; letter-spacing: .1em;
  text-transform: uppercase; text-align: center; margin: 16px 0 10px;
}
.seat-row {
  display: flex; justify-content: center; align-items: center; gap: 5px; margin: 4px 0;
}
.row-num {
  width: 22px; text-align: center; color: #5B6478; font-size: 10px; font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.aisle { width: 18px; flex-shrink: 0; }
.seat {
  border: 0; border-radius: 8px 8px 5px 5px;
  color: #0B1220; font-size: 10px; font-weight: 800;
  display: grid; place-items: center;
  position: relative;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.35),
    inset 0 -2px 0 rgba(0,0,0,.18),
    0 2px 6px rgba(0,0,0,.25);
  transition: transform .12s var(--ease), box-shadow .15s, filter .15s, opacity .2s;
}
.seat:active { transform: scale(.92); }
.seat.good { background: linear-gradient(180deg, #6EE7B7, var(--good)); }
.seat.mixed { background: linear-gradient(180deg, #FCD34D, var(--mixed)); }
.seat.bad { background: linear-gradient(180deg, #FDA4AF, var(--bad)); color: #fff; }
.seat.selected {
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--accent), 0 0 20px rgba(94,234,212,.45);
  z-index: 2;
}
.seat.highlight {
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--accent), 0 0 18px rgba(94,234,212,.55);
  animation: seat-pulse 1.5s var(--ease) infinite;
}
@keyframes seat-pulse {
  0%,100% { filter: brightness(1); }
  50% { filter: brightness(1.18); }
}
.seat.dim { opacity: .28; filter: saturate(.6); }
.tail {
  width: 58%; max-width: 180px; height: 30px; margin: 20px auto 0;
  background: #151B28; border-radius: 10px 10px 48px 48px; color: #5B6478;
  display: grid; place-items: center; font-size: 10px;
  border: 1px solid rgba(255,255,255,.06);
}
.map-hint {
  position: absolute; left: 12px; bottom: 12px;
  background: rgba(8,10,16,.78); color: #E2E8F0;
  font-size: 11px; padding: 7px 12px; border-radius: 999px;
  pointer-events: none; backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.08);
}

/* Sheets */
.sheet-backdrop {
  position: absolute; inset: 0; background: rgba(0,0,0,.55);
  opacity: 0; pointer-events: none; transition: opacity .28s var(--ease); z-index: 40;
  backdrop-filter: blur(2px);
}
.sheet-backdrop.open { opacity: 1; pointer-events: auto; }
.sheet {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: var(--card);
  border-radius: 24px 24px 0 0;
  padding: 10px 16px calc(20px + var(--safe-b));
  transform: translateY(calc(100% + 28px));
  transition: transform .34s var(--ease), visibility .34s;
  z-index: 50; max-height: 78%; overflow: auto;
  box-shadow: 0 -20px 60px rgba(0,0,0,.45);
  border: 1px solid var(--line-strong);
  border-bottom: 0;
  visibility: hidden; pointer-events: none;
}
.sheet.open {
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}
.sheet .handle {
  width: 40px; height: 4px; border-radius: 4px;
  background: var(--line-strong); margin: 4px auto 14px;
}
.seat-title { display: flex; align-items: center; gap: 10px; }
.seat-title .pill {
  font-size: 11px; font-weight: 750; text-transform: uppercase;
  padding: 4px 9px; border-radius: 999px; letter-spacing: .04em;
}
.pill.good { background: var(--good-bg); color: var(--good); }
.pill.mixed { background: var(--mixed-bg); color: var(--mixed); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 14px 0;
}
.stat {
  background: var(--card-2); border-radius: 14px; padding: 12px 8px; text-align: center;
  border: 1px solid var(--line);
}
.stat span { display: block; font-size: 11px; color: var(--muted); margin-bottom: 2px; }
.stat strong {
  font-size: 16px; font-variant-numeric: tabular-nums; letter-spacing: -0.02em;
}
.notes { font-size: 13px; color: var(--muted); line-height: 1.5; margin: 0 0 12px; }
.photo-row { display: flex; gap: 8px; align-items: center; overflow-x: auto; }
.photo-ph {
  width: 72px; height: 72px; border-radius: 14px; background: var(--card-2);
  border: 1px dashed var(--line-strong); display: grid; place-items: center;
  color: var(--muted); font-size: 11px; flex-shrink: 0; overflow: hidden;
}
.photo-ph img { width: 100%; height: 100%; object-fit: cover; }

/* Finder */
.pref-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pref {
  border: 1px solid var(--line); border-radius: 14px; padding: 11px 12px;
  display: flex; gap: 8px; align-items: flex-start; background: var(--card-2);
  transition: border-color .15s, background .15s;
}
.pref:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  background: var(--accent-soft);
}
.pref input { margin-top: 2px; accent-color: var(--accent); }
.pref label { font-size: 12px; font-weight: 650; line-height: 1.3; }
.rank-list { list-style: none; padding: 0; margin: 0; }
.rank-list li {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--line);
  transition: background .15s;
}
.rank-list li:last-child { border-bottom: 0; }
.rank-num {
  width: 28px; height: 28px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; display: grid; place-items: center;
  font-size: 12px; font-weight: 750; flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.rank-meta { flex: 1; min-width: 0; }
.rank-meta strong { display: block; font-size: 15px; letter-spacing: -0.02em; }
.rank-meta span { font-size: 12px; color: var(--muted); }
.score {
  font-weight: 800; color: var(--accent); font-size: 15px;
  font-variant-numeric: tabular-nums;
}

/* Turbulence legacy strip */
.timeline { position: relative; padding: 8px 0 4px; }
.timeline-track {
  height: 14px; border-radius: 999px; overflow: hidden;
  display: flex; background: var(--card-2);
}
.seg { height: 100%; }
.seg.smooth { background: var(--good); }
.seg.light { background: var(--mixed); }
.seg.moderate { background: var(--bad); }
.tl-labels { display: flex; justify-content: space-between; margin-top: 8px; font-size: 11px; color: var(--muted); }
.event-list { margin: 12px 0 0; padding: 0; list-style: none; }
.event-list li {
  display: grid; grid-template-columns: 72px 1fr; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px;
}
.event-list .lvl { font-weight: 750; text-transform: capitalize; font-size: 12px; }
.event-list .lvl.smooth { color: var(--good); }
.event-list .lvl.light { color: var(--mixed); }
.event-list .lvl.moderate { color: var(--bad); }

/* On-time */
.flight-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.flight-table th {
  text-align: left; font-size: 11px; color: var(--muted); font-weight: 700;
  padding: 0 0 8px; border-bottom: 1px solid var(--line); letter-spacing: .04em; text-transform: uppercase;
}
.flight-table td {
  padding: 12px 4px; border-bottom: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}
.flight-table tr.best td { background: var(--good-bg); }
.flight-table tr.best td:first-child { border-radius: 12px 0 0 12px; }
.flight-table tr.best td:last-child { border-radius: 0 12px 12px 0; }
.best-tag {
  display: inline-block; font-size: 10px; font-weight: 800; color: var(--good);
  background: var(--card); border: 1px solid color-mix(in srgb, var(--good) 35%, transparent);
  border-radius: 999px; padding: 2px 7px; margin-left: 6px;
}

/* Connections */
.slider-wrap { margin: 8px 0 4px; }
.slider-wrap input[type=range] { width: 100%; accent-color: var(--accent); }
.prob {
  text-align: center; padding: 20px 12px; border-radius: 18px; margin: 12px 0;
  border: 1px solid var(--line);
}
.prob .big {
  font-size: 48px; font-weight: 800; letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums; line-height: 1;
}
.prob.high { background: var(--good-bg); color: var(--good); }
.prob.mid { background: var(--mixed-bg); color: var(--mixed); }
.prob.low { background: var(--bad-bg); color: var(--bad); }
.option {
  border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; margin-top: 8px;
  display: flex; justify-content: space-between; gap: 10px; align-items: center;
  background: var(--card-2);
}
.option strong { display: block; }
.option span { font-size: 12px; color: var(--muted); }

/* Browse */
.airline-item, .ac-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.airline-item:last-child, .ac-item:last-child { border-bottom: 0; }
.logo {
  width: 42px; height: 42px; border-radius: 13px;
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 12px;
  background: var(--brand);
  box-shadow: var(--shadow-sm);
}
.logo.aa { background: #C8102E; }
.logo.ua { background: #0033A0; }
.logo.wn { background: #F9B612; color: #1a1a1a; }
.ad-slot {
  border: 1px solid var(--line); border-radius: 18px; padding: 16px;
  background: var(--card-2);
  text-align: center; margin: 0 0 14px;
}
.ad-slot .ad-label {
  font-size: 10px; font-weight: 750; color: var(--muted);
  letter-spacing: .08em; text-transform: uppercase;
}
.ad-slot h3 { margin: 6px 0 4px; font-size: 15px; letter-spacing: -0.02em; }
.ad-slot p { margin: 0 0 10px; font-size: 12px; color: var(--muted); }

.premium {
  background:
    radial-gradient(100% 80% at 100% 0%, rgba(94,234,212,.2), transparent 50%),
    linear-gradient(160deg, #1E1B4B, #312E81 45%, #0F766E 130%);
  color: #fff; border: 1px solid rgba(255,255,255,.1);
}
.premium ul { margin: 12px 0; padding-left: 18px; font-size: 13px; line-height: 1.65; }
.premium .price {
  font-size: 32px; font-weight: 800; letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.premium .price span { font-size: 14px; font-weight: 500; opacity: .85; }

.empty {
  text-align: center; padding: 32px 16px; color: var(--muted); font-size: 14px;
  line-height: 1.5;
}

/* Frosted tab bar */
.tabnav {
  position: absolute; left: 10px; right: 10px; bottom: calc(8px + var(--safe-b));
  height: var(--nav-h);
  padding: 0 4px;
  background: color-mix(in srgb, var(--card) 72%, transparent);
  backdrop-filter: blur(22px) saturate(1.6);
  -webkit-backdrop-filter: blur(22px) saturate(1.6);
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  display: grid; grid-template-columns: repeat(5, 1fr);
  z-index: 30;
  box-shadow: 0 12px 40px rgba(0,0,0,.35);
}
.tabnav button {
  border: 0; background: transparent; color: var(--muted);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; font-size: 10px; font-weight: 680; padding: 8px 2px;
  border-radius: 16px;
  transition: color .15s, background .15s, transform .1s var(--ease);
}
.tabnav button:active { transform: var(--press); }
.tabnav button svg {
  width: 22px; height: 22px;
  stroke-width: 1.75;
  transition: transform .2s var(--ease), filter .2s;
}
.tabnav button.active {
  color: var(--accent);
  background: var(--accent-soft);
}
.tabnav button.active svg {
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--accent) 55%, transparent));
}
.more-menu {
  position: absolute; right: 14px; bottom: calc(var(--nav-h) + var(--safe-b) + 18px);
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line-strong); border-radius: 16px;
  box-shadow: var(--shadow); padding: 6px; z-index: 35; display: none; min-width: 168px;
  animation: menu-pop .22s var(--ease);
}
@keyframes menu-pop {
  from { opacity: 0; transform: translateY(8px) scale(.96); }
  to { opacity: 1; transform: none; }
}
.more-menu.open { display: block; }
.more-menu button {
  width: 100%; text-align: left; border: 0; background: transparent;
  padding: 11px 12px; border-radius: 12px; font-weight: 650; font-size: 13px; color: var(--ink);
  transition: background .12s;
}
.more-menu button:hover, .more-menu button.active {
  background: var(--accent-soft); color: var(--accent);
}

.toast {
  position: absolute; left: 50%; bottom: calc(var(--nav-h) + var(--safe-b) + 24px);
  transform: translateX(-50%) translateY(16px); opacity: 0;
  background: var(--ink); color: var(--bg); font-size: 13px; font-weight: 650;
  padding: 11px 16px; border-radius: 999px; z-index: 60;
  transition: .28s var(--ease); pointer-events: none; white-space: nowrap;
  box-shadow: var(--shadow);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.hidden { display: none !important; }

/* Track */
.track-hero-card .track-hero-top {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 10px;
}
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 14px;
}
.stat-pill {
  background: var(--card-2); border-radius: 14px; padding: 12px 6px; text-align: center;
  border: 1px solid var(--line);
}
.stat-pill strong {
  display: block; font-size: 16px; letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums; font-weight: 800;
}
.stat-pill span {
  font-size: 10px; color: var(--muted); font-weight: 650; text-transform: uppercase;
  letter-spacing: .04em;
}

.trip-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 16px; margin-bottom: 12px; cursor: pointer;
  transition: border-color .15s, transform .1s var(--ease), box-shadow .15s;
}
.trip-card:active { transform: var(--press); }
.trip-card:hover { border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.trip-top { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.trip-top .fn {
  font-weight: 800; font-size: 15px; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.trip-top .when { margin-left: auto; font-size: 12px; color: var(--muted); font-weight: 600; }

.status-pill {
  font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em;
  padding: 5px 9px; border-radius: 999px;
}
.st-ontime { background: var(--good-bg); color: var(--good); }
.st-delayed { background: rgba(251,146,60,.16); color: #FB923C; }
.st-boarding { background: var(--violet-bg); color: var(--violet); }
.st-air { background: var(--accent-soft); color: var(--accent); }
.st-landed { background: var(--card-2); color: var(--muted); border: 1px solid var(--line); }

.trip-route {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.trip-route .city code, .trip-route .code {
  font-size: 28px; font-weight: 800; letter-spacing: -0.05em; display: block;
  font-variant-numeric: tabular-nums; line-height: 1;
}
.trip-route .city span { font-size: 11px; color: var(--muted); margin-top: 4px; display: block; }
.trip-times {
  display: flex; justify-content: space-between; margin-top: 12px; font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.trip-times .sched { color: var(--muted); text-decoration: line-through; margin-right: 6px; opacity: .75; }
.trip-times .est { font-weight: 750; letter-spacing: -0.02em; }
.mini-route {
  height: 4px; background: var(--card-2); border-radius: 999px; margin: 14px 0 6px; position: relative;
  border: 1px solid var(--line);
}
.mini-route .route-fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  border-radius: 999px; width: 0;
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 40%, transparent);
}
.mini-route .route-plane {
  position: absolute; top: 50%; transform: translate(-50%, -54%);
  font-size: 14px; left: 0;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.35));
  transition: left .05s linear;
}

.back-link {
  border: 0; background: transparent; color: var(--accent); font-weight: 700;
  font-size: 13px; padding: 0 0 12px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 4px;
  transition: opacity .15s, transform .1s;
}
.back-link:active { transform: var(--press); opacity: .8; }

.flight-detail-card {
  background:
    radial-gradient(90% 70% at 100% -10%, rgba(94,234,212,.22), transparent 55%),
    radial-gradient(70% 50% at 0% 100%, rgba(129,140,248,.2), transparent 50%),
    linear-gradient(160deg, #141825 0%, #1A2040 50%, #12283A 120%);
  color: #fff; border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius); padding: 18px 16px 16px;
  margin-bottom: 14px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
@media (prefers-color-scheme: light) {
  .flight-detail-card {
    background:
      radial-gradient(90% 70% at 100% -10%, rgba(13,148,136,.25), transparent 55%),
      linear-gradient(160deg, #312E81 0%, #4338CA 50%, #0E7490 120%);
  }
}
.flight-detail-card .fd-top {
  display: flex; align-items: center; gap: 8px; margin-bottom: 16px;
}
.flight-detail-card .fd-top .fn {
  font-size: 18px; font-weight: 800; letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.flight-detail-card .status-pill {
  background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.22);
}
.fd-airports {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 8px;
}
.fd-airports .code {
  font-size: 36px; font-weight: 800; letter-spacing: -0.05em; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.fd-airports .meta { font-size: 12px; opacity: .8; margin-top: 6px; }
.fd-times { display: flex; justify-content: space-between; margin-top: 16px; }
.fd-times .big {
  font-size: 32px; font-weight: 800; letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums; line-height: 1;
}
.fd-times .sched-line { font-size: 12px; opacity: .72; margin-top: 4px; font-variant-numeric: tabular-nums; }
.fd-times .sched-line s { opacity: .85; }

.route-map {
  margin-top: 18px;
  background: rgba(0,0,0,.28);
  border-radius: 18px; padding: 16px 14px 14px;
  position: relative;
  border: 1px solid rgba(255,255,255,.08);
}
.route-map .labels {
  display: flex; justify-content: space-between; font-size: 11px; font-weight: 750;
  opacity: .85; margin-bottom: 12px; letter-spacing: .04em;
}
.route-track {
  height: 6px; background: rgba(255,255,255,.14); border-radius: 999px; position: relative;
}
.route-track .route-fill {
  position: absolute; left: 0; top: 0; bottom: 0; width: 0;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  border-radius: 999px;
  box-shadow: 0 0 16px rgba(94,234,212,.45);
}
.route-track .route-plane {
  position: absolute; top: 50%; left: 0; transform: translate(-50%, -55%);
  font-size: 18px; transition: left .05s linear;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.4));
}
.route-map .pct {
  margin-top: 12px; font-size: 12px; opacity: .8; text-align: center;
  font-variant-numeric: tabular-nums;
}

.gate-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px;
}
.gate-box {
  background: rgba(255,255,255,.08); border-radius: 14px; padding: 12px;
  border: 1px solid rgba(255,255,255,.06);
}
.gate-box span { display: block; font-size: 11px; opacity: .72; }
.gate-box strong {
  font-size: 20px; font-variant-numeric: tabular-nums; letter-spacing: -0.03em;
}
.gate-changed {
  margin-top: 10px; background: rgba(251,146,60,.16); color: #FED7AA;
  border-radius: 14px; padding: 11px 12px; font-size: 13px; font-weight: 650;
  border: 1px solid rgba(251,146,60,.35);
}

.inbound-card .plane-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em;
  color: var(--accent); margin-bottom: 6px;
}
.inbound-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px;
}
.inbound-grid div {
  background: var(--card-2); border-radius: 12px; padding: 11px;
  border: 1px solid var(--line);
}
.inbound-grid span { display: block; font-size: 11px; color: var(--muted); }
.inbound-grid strong { font-size: 14px; font-variant-numeric: tabular-nums; }

.delay-card .conf {
  height: 6px; background: var(--card-2); border-radius: 999px; margin-top: 10px; overflow: hidden;
}
.delay-card .conf > i {
  display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--accent));
  border-radius: 999px;
}

.event-timeline { list-style: none; margin: 0; padding: 0; }
.event-timeline li {
  display: grid; grid-template-columns: 16px 1fr auto; gap: 10px; align-items: start;
  padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 13px;
}
.event-timeline li:last-child { border-bottom: 0; }
.event-timeline .dot {
  width: 12px; height: 12px; border-radius: 50%; margin-top: 3px;
  background: var(--card-2); border: 2px solid var(--card);
  box-shadow: 0 0 0 2px var(--line-strong);
}
.event-timeline li.done .dot { background: var(--good); box-shadow: 0 0 0 2px var(--good); }
.event-timeline li.current .dot {
  background: var(--accent); box-shadow: 0 0 0 2px var(--accent), 0 0 12px var(--accent);
}
.event-timeline .t-meta { color: var(--muted); font-size: 11px; }
.event-timeline .t-time {
  font-weight: 750; font-variant-numeric: tabular-nums; color: var(--muted);
}
.event-timeline li.done .t-time, .event-timeline li.current .t-time { color: var(--ink); }

.live-activity {
  background: #05070C; color: #fff; border-radius: 24px; padding: 14px 14px 12px;
  box-shadow: var(--shadow); margin-bottom: 14px;
  border: 1px solid rgba(255,255,255,.08);
}
.live-activity .la-notch {
  width: 120px; height: 28px; background: #000; border-radius: 16px; margin: -4px auto 12px;
}
.live-activity .la-row { display: flex; justify-content: space-between; align-items: center; }
.live-activity .la-codes {
  font-size: 24px; font-weight: 800; letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.live-activity .la-sub { font-size: 11px; opacity: .65; margin-top: 2px; }
.live-activity .la-bar {
  height: 4px; background: rgba(255,255,255,.12); border-radius: 999px; margin: 12px 0 8px; position: relative;
}
.live-activity .la-bar i {
  position: absolute; left: 0; top: 0; bottom: 0; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  box-shadow: 0 0 10px rgba(94,234,212,.4);
}
.live-activity .la-foot { display: flex; justify-content: space-between; font-size: 11px; opacity: .75; font-variant-numeric: tabular-nums; }

.action-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 4px;
}
.action-grid .btn { width: 100%; font-size: 13px; }

.link-chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.link-chip-row .chip { cursor: pointer; }

.email-list { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.email-item {
  text-align: left; border: 1px solid var(--line); background: var(--card-2);
  border-radius: 14px; padding: 13px 14px; display: flex; flex-direction: column; gap: 2px;
  transition: transform .1s var(--ease), border-color .15s;
}
.email-item:active { transform: var(--press); }
.email-item strong { font-size: 14px; }
.email-item span { font-size: 12px; color: var(--muted); }

.push-toast {
  position: absolute; left: 12px; right: 12px; top: calc(12px + var(--safe-t)); z-index: 70;
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-radius: 20px; padding: 13px 15px; box-shadow: var(--shadow);
  border: 1px solid var(--line-strong);
  transform: translateY(-130%); opacity: 0; transition: .4s var(--ease);
  pointer-events: none;
}
.push-toast.show { transform: translateY(0); opacity: 1; }
.push-toast .push-app {
  font-size: 11px; font-weight: 800; color: var(--accent); letter-spacing: .05em; text-transform: uppercase;
}
.push-toast .push-title { font-size: 15px; font-weight: 750; margin-top: 2px; letter-spacing: -0.02em; }
.push-toast .push-body { font-size: 13px; color: var(--muted); margin-top: 2px; }

#utilBackdrop.open { opacity: 1; pointer-events: auto; }
#addTripSheet.open, #importSheet.open {
  transform: translateY(0); visibility: visible; pointer-events: auto;
}

/* Turbulence premium chart */
.tb-head { display:flex; justify-content:space-between; gap:10px; align-items:flex-start; margin-bottom:8px; }
.tb-flight { font-weight:800; font-size:16px; letter-spacing:-0.03em; }
.tb-badges { display:flex; flex-wrap:wrap; gap:6px; justify-content:flex-end; }
.tb-badge {
  font-size:10px; font-weight:750; text-transform:uppercase; letter-spacing:0.04em;
  padding:4px 8px; border-radius:999px; border:1px solid var(--line); background:var(--card-2); color:var(--muted);
}
.tb-badge.live { background:var(--good-bg); border-color:color-mix(in srgb, var(--good) 35%, transparent); color:var(--good); }
.tb-badge.sample { background:var(--brand-soft); border-color:color-mix(in srgb, var(--brand) 30%, transparent); color:var(--brand); }
.tb-badge.mixed { background:var(--mixed-bg); border-color:color-mix(in srgb, var(--mixed) 35%, transparent); color:var(--mixed); }
.tb-summary {
  margin:10px 0 14px; padding:14px 16px; border-radius:16px;
  background: linear-gradient(135deg, var(--brand-soft), var(--accent-soft));
  font-size:14px; line-height:1.5;
  border:1px solid var(--line);
}
.tb-map-wrap, .tb-chart-wrap { margin:14px 0; }
.tb-map-title, .tb-chart-title {
  font-size:11px; font-weight:750; color:var(--muted); margin-bottom:8px;
  text-transform:uppercase; letter-spacing:0.06em;
}
.tb-route-map {
  width:100%; height:auto; display:block; border-radius:16px;
  border: 1px solid var(--line);
}
.tb-route-map .map-lbl { font-size:10px; font-weight:800; fill: var(--accent); }
.tb-route-map .map-fix { font-size:8px; fill: var(--muted); }
.tb-chart {
  width:100%; height:auto; display:block;
  background: var(--card-2);
  border:1px solid var(--line); border-radius:16px;
}
.tb-chart .y-lbl { font-size:8px; fill: var(--muted); text-transform:capitalize; }
.tb-chart .phase-lbl { font-size:9px; fill: var(--muted); font-weight:700; }
.tb-bar {
  cursor:pointer;
  transform-origin: bottom;
  animation: bar-rise .55s var(--ease) both;
}
.tb-bar.active { stroke: var(--accent); stroke-width:1.5; filter: brightness(1.15); }
@keyframes bar-rise {
  from { transform: scaleY(0); opacity: 0; }
  to { transform: scaleY(1); opacity: 1; }
}
.tb-tooltip {
  margin-top:10px; padding:12px 14px; border-radius:14px;
  background: #0A0E16; color:#F8FAFC;
  font-size:12px; line-height:1.45;
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow-sm);
}
.tb-tooltip.hidden { display:none; }
.tb-tooltip .sub { color:#94A3B8; margin-top:4px; }
.tb-legend { margin-top:10px; }
.tb-legend i { width:10px; height:10px; border-radius:3px; display:inline-block; margin-right:4px; }
.tb-meta { margin-top:14px; font-size:12px; color:var(--muted); }
.tb-meta summary { cursor:pointer; font-weight:700; color:var(--accent); }
.tb-notes { margin:8px 0 0; padding-left:18px; }
.tb-notes li { margin:4px 0; }
.tb-notes code {
  font-size:11px; background:var(--card-2); padding:1px 5px; border-radius:5px;
  border: 1px solid var(--line);
}

/* Skeleton loaders */
.skeleton {
  background: linear-gradient(90deg, var(--card-2) 25%, var(--card) 50%, var(--card-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s ease infinite;
  border-radius: 12px;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.sk-block { height: 14px; margin-bottom: 10px; }
.sk-block.lg { height: 120px; border-radius: 16px; }
.sk-block.md { height: 72px; }
.sk-row { display: flex; gap: 8px; }
.sk-row .skeleton { flex: 1; height: 48px; }


@media (prefers-color-scheme: light) {
  .cabin-outline {
    border-color: rgba(15,20,32,.1);
    background: rgba(15,20,32,.02);
  }
  .nose {
    background: linear-gradient(180deg, #E8EEF8, #D5DCEA);
    color: #5B6478;
    border-color: rgba(15,20,32,.1);
    box-shadow: 0 8px 20px rgba(15,23,42,.08);
  }
  .splash { background: #F2F4F8; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}