/* Business Class Radar — Minimal Swiss (design-system/business-class-tracker/pages/app.md) */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --subtle: #f1f5f9;
  --line: #e2e8f0;
  --text: #0f172a;
  --muted: #475569;
  --primary: #1e3a8a;
  --on-primary: #ffffff;
  --primary-soft: #eef2ff;
  --accent: #ea580c;
  --accent-text: #c2410c;
  --accent-soft: #fff7ed;
  --good: #047857;
  --good-soft: #ecfdf5;
  --bad: #b91c1c;
  --sky: #0369a1;
  --star: #334155;
  --ow: #6d28d9;
  --ring: #1e3a8a;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
  --radius: 12px;
  --radius-sm: 8px;
  --tabbar-h: 60px;
  --ease: 180ms cubic-bezier(0.2, 0, 0, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0b1120; --surface: #111827; --subtle: #1a2333; --line: #243044; --text: #f1f5f9; --muted: #9aa7bb;
    --primary: #93c5fd; --on-primary: #0b1120; --primary-soft: #172554; --accent: #fb923c; --accent-text: #fdba74;
    --accent-soft: #2a1a0e; --good: #34d399; --good-soft: #0b2a22; --bad: #f87171; --sky: #7dd3fc; --star: #cbd5e1;
    --ow: #c4b5fd; --ring: #93c5fd; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --bg: #0b1120; --surface: #111827; --subtle: #1a2333; --line: #243044; --text: #f1f5f9; --muted: #9aa7bb;
  --primary: #93c5fd; --on-primary: #0b1120; --primary-soft: #172554; --accent: #fb923c; --accent-text: #fdba74;
  --accent-soft: #2a1a0e; --good: #34d399; --good-soft: #0b2a22; --bad: #f87171; --sky: #7dd3fc; --star: #cbd5e1;
  --ow: #c4b5fd; --ring: #93c5fd; --shadow: none; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang TC', 'Noto Sans TC', 'Apple SD Gothic Neo', 'Noto Sans KR', Roboto, sans-serif;
  font-feature-settings: 'cv11', 'ss01';
  min-height: 100vh;
  padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 16px);
  -webkit-tap-highlight-color: transparent;
}
[hidden] { display: none !important; }
a { color: var(--primary); text-underline-offset: 2px; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; border-radius: 6px; }
.i { flex: none; vertical-align: -0.15em; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
h2 { font-size: 20px; line-height: 1.3; margin: 20px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 15px; margin: 0 0 10px; }

/* ── Header ── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 8px;
  padding: calc(8px + env(safe-area-inset-top)) 16px 8px;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: saturate(150%) blur(12px); -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.brand h1 { font-size: 17px; font-weight: 700; margin: 0; letter-spacing: -0.01em; white-space: nowrap; }
.brand small { display: none; }
.icon-btn {
  width: 44px; height: 44px; border-radius: 10px; border: 0; background: transparent; color: var(--text);
  display: grid; place-items: center; transition: background var(--ease);
}
.icon-btn:hover { background: var(--subtle); }
.icon-btn:active { opacity: 0.7; }
.icon-btn.spin .i { animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

main { max-width: 720px; margin: 0 auto; padding: 0 16px; }
.banner-wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
.notice {
  display: flex; gap: 10px; align-items: flex-start; margin-top: 12px; padding: 10px 12px;
  border-radius: var(--radius-sm); background: var(--primary-soft); color: var(--text); font-size: 14px;
}
.notice .i { color: var(--primary); margin-top: 2px; }
.notice.warn { background: var(--accent-soft); }
.notice.warn .i { color: var(--accent-text); }

/* ── Status + hero ── */
.status { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 14px 0 10px; font-size: 13px; color: var(--muted); }
.status .i { color: var(--good); }
.hero {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: end;
  padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow);
  width: 100%; text-align: left;
}
.hero .label { font-size: 13px; color: var(--muted); grid-column: 1 / -1; }
.hero .big { display: block; font-size: 28px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.hero .sub { display: block; margin-top: 4px; font-size: 14px; color: var(--muted); }
.hero:disabled { cursor: default; }
button.hero { transition: border-color var(--ease); }
button.hero:hover:not(:disabled) { border-color: color-mix(in srgb, var(--primary) 40%, var(--line)); }
.hero .kpis { text-align: right; font-size: 13px; color: var(--muted); }
.hero .kpis b { color: var(--text); font-size: 15px; }

/* ── Controls ── */
.segmented {
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 2px; padding: 3px;
  background: var(--subtle); border-radius: 10px; margin: 14px 0 10px;
}
.segmented button {
  min-height: 38px; border: 0; border-radius: 8px; background: transparent; color: var(--muted);
  font-size: 14px; font-weight: 600; transition: background var(--ease), color var(--ease); position: relative;
}
.segmented button::after { content: ''; position: absolute; inset: -3px 0; }
.segmented button[aria-pressed='true'] { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08); }
.toolbar { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; align-items: center; }
select, input[type='text'], input[type='number'], input[type='date'] {
  width: 100%; min-width: 0; min-height: 44px; padding: 8px 12px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface);
  font-size: 15px; transition: border-color var(--ease);
}
select:focus, input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 0 16px;
  border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--surface); color: var(--text);
  font-size: 15px; font-weight: 600; text-decoration: none; transition: background var(--ease), border-color var(--ease);
}
.btn:hover { background: var(--subtle); }
.btn:active { opacity: 0.75; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.btn.primary:hover { background: color-mix(in srgb, var(--primary) 88%, #000); }
.btn.block { width: 100%; }
.btn.quiet { border-color: transparent; background: transparent; color: var(--primary); padding: 0 8px; }
.btn .count { min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--primary); color: var(--on-primary); font-size: 12px; display: grid; place-items: center; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  position: relative; display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font-size: 14px; color: var(--text);
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}
.chip::after { content: ''; position: absolute; inset: -4px 0; }
.chip:hover { background: var(--subtle); }
.chip[aria-pressed='true'] { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); font-weight: 600; }
.filter-panel { margin-top: 10px; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); display: grid; gap: 14px; }
.filter-panel .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.field-label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.panel-actions { display: flex; justify-content: flex-end; }
.resultline { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 14px 0 8px; font-size: 13px; color: var(--muted); }
.linkish { border: 0; background: none; padding: 10px 0; color: var(--primary); font: inherit; font-weight: 600; }

/* ── Deal card ── */
.list { display: grid; gap: 10px; }
.deal { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.deal.is-hot { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.deal-main { display: block; width: 100%; padding: 14px 16px; border: 0; background: none; text-align: left; transition: background var(--ease); }
.deal-main:active { background: var(--subtle); }
.deal-head { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); min-width: 0; }
.carrier { display: flex; align-items: center; gap: 8px; min-width: 0; flex: 1; }
.carrier b { color: var(--text); font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.al { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.al::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.al-SKYTEAM { color: var(--sky); }
.al-STAR { color: var(--star); }
.al-ONEWORLD { color: var(--ow); }
.al-NONE { color: var(--muted); }
.logo-wrap { position: relative; width: 22px; height: 22px; flex: none; }
.logo-code { position: absolute; inset: 0; display: grid; place-items: center; border-radius: 6px; background: var(--subtle); font: 700 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); }
.logo { position: absolute; inset: 0; width: 22px; height: 22px; border-radius: 6px; background: #fff; object-fit: contain; }
.score { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px; background: var(--subtle); color: var(--text); font-size: 12px; font-weight: 600; white-space: nowrap; }
.score.t-hot { background: var(--accent-soft); color: var(--accent-text); }
.score.t-great { background: var(--primary-soft); color: var(--primary); }
.score.t-good { color: var(--good); }
.deal-body { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; margin-top: 10px; align-items: end; }
.route { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 700; letter-spacing: 0.01em; }
.route .i { color: var(--muted); }
.cities { font-size: 13px; color: var(--muted); }
.price { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; text-align: right; font-variant-numeric: tabular-nums; line-height: 1.2; }
.delta { font-size: 13px; font-weight: 600; text-align: right; color: var(--good); }
.delta.up { color: var(--muted); font-weight: 500; }
.meta { margin-top: 8px; font-size: 13px; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 6px; background: var(--subtle); color: var(--muted); font-size: 12px; font-weight: 500; }
.tag.hot { background: var(--accent-soft); color: var(--accent-text); }
.tag.pos { background: var(--primary-soft); color: var(--primary); }
.tag.good { background: var(--good-soft); color: var(--good); }
.tag.warn { color: var(--bad); }

.deal-detail { border-top: 1px solid var(--line); padding: 14px 16px 16px; display: grid; gap: 16px; }
.sec h4 { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--muted); }
.timeline { list-style: none; margin: 0; padding: 0 0 0 14px; border-left: 2px solid var(--line); }
.seg { position: relative; padding: 2px 0 8px 12px; }
.seg::before { content: ''; position: absolute; left: -21px; top: 8px; width: 10px; height: 10px; border-radius: 50%; background: var(--surface); border: 2px solid var(--primary); }
.seg .t { font-weight: 600; font-size: 15px; font-variant-numeric: tabular-nums; }
.seg .m { font-size: 13px; color: var(--muted); }
.lay { padding: 0 0 8px 12px; font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.lay.warn { color: var(--bad); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 14px; }
.kv > :nth-child(odd) { color: var(--muted); }
.kv > :nth-child(even) { text-align: right; font-variant-numeric: tabular-nums; }
.verify { display: flex; gap: 6px; align-items: center; font-size: 13px; color: var(--good); }
.actions { display: grid; gap: 8px; }
.actions .row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.actions .row .btn { padding: 0 8px; font-size: 14px; }

/* Foreign-site (point-of-sale) rows */
.pos-list { display: grid; gap: 6px; }
.pos-row { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; padding: 8px 10px; border-radius: var(--radius-sm); background: var(--subtle); text-decoration: none; color: inherit; }
.pos-row .cc { font: 700 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; padding: 5px 6px; border-radius: 6px; background: var(--surface); color: var(--text); }
.pos-row .who { font-size: 14px; }
.pos-row .who small { display: block; color: var(--muted); font-size: 12px; }
.pos-row .val { text-align: right; font-variant-numeric: tabular-nums; font-size: 14px; font-weight: 600; }
.pos-row .val small { display: block; font-weight: 500; font-size: 12px; }
.save { color: var(--good); }
.more { color: var(--muted); }
details.caveats { font-size: 13px; color: var(--muted); }
details.caveats summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 600; list-style: none; }
details.caveats summary::-webkit-details-marker { display: none; }
details.caveats ul { margin: 0; padding-left: 18px; }
details.caveats li { margin: 4px 0; }

/* ── Panels / settings ── */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-top: 12px; }
.panel p { margin: 0 0 8px; }
.panel p:last-child { margin-bottom: 0; }
.group-title { margin: 22px 4px 8px; font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: 0.02em; }
.setting { display: grid; gap: 8px; padding: 12px 0; border-top: 1px solid var(--line); }
.setting:first-child { border-top: 0; padding-top: 0; }
.setting:last-child { padding-bottom: 0; }
.setting > label, .setting > .lbl { font-size: 14px; font-weight: 600; }
.setting .help { font-size: 13px; color: var(--muted); }
.pos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.pos-grid label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.codes { display: flex; flex-wrap: wrap; gap: 4px; }
.code { font: 600 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; padding: 5px 6px; border-radius: 6px; background: var(--subtle); }
ul.plain { margin: 0; padding-left: 18px; }
ul.plain li { margin: 6px 0; font-size: 14px; }
pre.snippet { background: var(--subtle); border-radius: var(--radius-sm); padding: 10px; font-size: 12px; overflow-x: auto; margin: 8px 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid2 > * { min-width: 0; }
.field { display: grid; gap: 4px; }
.field label { font-size: 13px; color: var(--muted); }
.links { display: flex; flex-wrap: wrap; gap: 8px; }

/* ── Special fares ── */
.intro { font-size: 14px; color: var(--muted); margin: 0 0 4px; }
.ex-dest .ex-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.ex-dest .ex-head b { font-size: 16px; }
.ex-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); width: 100%; border-left: 0; border-right: 0; border-bottom: 0; background: none; text-align: left; }
.ex-row:first-of-type { margin-top: 10px; }
.ex-main { display: grid; gap: 2px; min-width: 0; font-size: 14px; }
.ex-main .small { color: var(--muted); }
.ex-save { text-align: right; font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }
.ex-detail { margin: 0 -16px; }

/* ── Routes ── */
.route-row { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; padding: 12px 0; border-top: 1px solid var(--line); align-items: center; }
.route-row:first-child { border-top: 0; padding-top: 0; }
.route-row .rk { font-weight: 700; }
.route-row .rk small { font-weight: 400; color: var(--muted); margin-left: 6px; }
.route-row .now { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.route-row .nums { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.route-row .tgt { grid-column: 1 / -1; display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); }
.route-row .tgt input { width: 130px; min-height: 40px; padding: 6px 10px; }
.route-row.hit .now { color: var(--good); }
.spark { width: 96px; height: 28px; display: block; }
.spark polyline { fill: none; stroke: var(--primary); stroke-width: 1.6; }
.spark circle { fill: var(--good); }

/* ── Tab bar ── */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: grid; grid-template-columns: repeat(4, 1fr);
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: saturate(150%) blur(14px); -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-top: 1px solid var(--line);
}
.tabbar button { border: 0; background: none; display: grid; place-items: center; align-content: center; gap: 2px; font-size: 11px; font-weight: 500; color: var(--muted); min-height: 44px; }
.tabbar button[aria-current='page'] { color: var(--primary); font-weight: 700; }

.toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 12px);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px; z-index: 40; max-width: calc(100% - 32px);
}
.empty { text-align: center; color: var(--muted); padding: 40px 12px; font-size: 14px; }
.skeleton { height: 120px; margin-top: 12px; border-radius: var(--radius); background: linear-gradient(90deg, var(--surface) 0%, var(--subtle) 50%, var(--surface) 100%); background-size: 200% 100%; animation: sk 1.2s infinite; border: 1px solid var(--line); }
@keyframes sk { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (min-width: 640px) {
  .brand small { display: inline; color: var(--muted); font-size: 13px; margin-left: 6px; }
}