/* Layout and components. Colours and the font come only from the tokens
   in theme.css, loaded first. */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 var(--font);
  font-feature-settings: "tnum" 1, "cv11" 1;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; }
svg { display: block; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* ---------- top bar ---------- */

.topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-in { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; }
/* assets/logo.png is about 100px tall, so show it at 56px or less to stay sharp. */
.brand-logo { display: block; width: auto; height: 56px; }
/* The logo has dark text drawn for a light background - give it one in dark mode */
:root[data-theme="dark"] .brand-logo { padding: 2px 8px; border-radius: 10px; background: #ffffff; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand-logo { padding: 2px 8px; border-radius: 10px; background: #ffffff; }
}
.top-right { display: flex; align-items: center; gap: 12px; }
.clock { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.1; }
.clock-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.clock time { font-size: 18px; font-weight: 700; }

.icon-btn {
  display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--surface); cursor: pointer;
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
#theme .i-moon { fill: currentColor; stroke: none; }
#theme .i-sun { display: none; }
:root[data-theme="dark"] #theme .i-moon { display: none; }
:root[data-theme="dark"] #theme .i-sun { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #theme .i-moon { display: none; }
  :root:not([data-theme="light"]) #theme .i-sun { display: block; }
}

/* ---------- hero + controls ---------- */

.hero {
  background:
    radial-gradient(1200px 300px at 85% -40%, rgba(255, 255, 255, .22), transparent 60%),
    linear-gradient(135deg, var(--hero-1), var(--hero-2));
  color: var(--on-hero);
  padding: 32px 0 20px;
}
.hero h1 { margin: 0; font-size: clamp(26px, 4.5vw, 38px); font-weight: 800; letter-spacing: -.025em; }
.hero-sub { margin: 4px 0 20px; opacity: .85; }

.controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.tabs {
  display: inline-flex; padding: 4px; gap: 4px;
  background: rgba(255, 255, 255, .16); border-radius: 14px;
}
.tabs [role="tab"] {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; border: 0; border-radius: 10px;
  background: transparent; color: var(--on-hero);
  font-weight: 600; cursor: pointer; transition: background .15s, color .15s;
}
.tabs [role="tab"] svg { width: 20px; height: 20px; fill: currentColor; }
.tabs [role="tab"]:hover { background: rgba(255, 255, 255, .12); }
.tabs [role="tab"][aria-selected="true"] { background: var(--surface); color: var(--brand-strong); box-shadow: 0 2px 8px rgba(0, 0, 0, .12); }
.tab-count {
  min-width: 24px; padding: 1px 7px; border-radius: 999px;
  font-size: 12px; font-weight: 700; text-align: center;
  background: rgba(255, 255, 255, .22);
}
.tab-count:empty { display: none; }
[aria-selected="true"] .tab-count { background: var(--brand-soft); }

.search {
  flex: 1 1 260px; display: flex; align-items: center; gap: 8px;
  padding: 0 14px; height: 48px; border-radius: 14px;
  background: var(--surface); color: var(--text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .1);
}
.search svg { width: 20px; height: 20px; flex: none; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; }
.search input { flex: 1; min-width: 0; height: 100%; border: 0; background: transparent; color: inherit; font: inherit; font-size: 16px; outline: none; }
.search input::placeholder { color: var(--faint); }
.search:focus-within { outline: 3px solid var(--focus); outline-offset: 2px; }

.days { display: flex; gap: 8px; margin-top: 16px; overflow-x: auto; scrollbar-width: none; }
.days:empty { display: none; }
.day {
  flex: none; padding: 7px 14px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .35); background: transparent; color: var(--on-hero);
  font-size: 14px; font-weight: 600; cursor: pointer;
}
.day:hover { background: rgba(255, 255, 255, .12); }
.day[aria-pressed="true"] { background: var(--on-hero); color: var(--hero-2); border-color: var(--on-hero); }

/* ---------- board ---------- */

main { padding-top: 20px; padding-bottom: 40px; }
.banner { margin-bottom: 16px; padding: 14px 16px; border-radius: 12px; background: var(--late-bg); color: var(--late); font-weight: 500; }

.day-h {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin: 8px 4px 12px; font-size: 17px; font-weight: 700; letter-spacing: -.01em;
}
.day-h span { font-size: 13px; font-weight: 500; color: var(--muted); }
.day-h:not(:first-child) { margin-top: 28px; }
.result-note { margin: 4px 4px 0; color: var(--muted); font-size: 14px; }

.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }

.card {
  width: 100%; display: grid; align-items: center; gap: 16px;
  grid-template-columns: 48px minmax(130px, 1.1fr) minmax(130px, 1.4fr) 52px 80px 80px 132px 16px;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 16px;
  background: var(--surface); box-shadow: var(--shadow);
  text-align: left; cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s;
}
.card:hover { border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); transform: translateY(-1px); box-shadow: 0 2px 4px rgba(15, 27, 36, .06), 0 10px 24px rgba(15, 27, 36, .1); }
.card.is-past { background: var(--surface-2); box-shadow: none; }
.card.is-past .fno, .card.is-past .city, .card.is-past .t-main { color: var(--muted); }

/* Airline tail fin: official artwork from assets/tails/, or a fin drawn in
   app.js. Both are shown bare, as a cropped fin with no box behind it. */
.logo { display: block; width: 48px; height: 48px; }
.logo svg, .logo img { width: 100%; height: 100%; object-fit: contain; }
.logo text { font-family: var(--font); font-weight: 800; text-anchor: middle; letter-spacing: -.02em; }
.logo .fuselage { display: none; }
.logo.neutral .fin { fill: var(--logo-neutral); }
.logo.neutral .cap { fill: var(--logo-neutral-2); }
.logo .fin-edge { fill: none; stroke: rgba(0, 0, 0, .12); stroke-width: .8; }
.logo.lg { width: 60px; height: 60px; }

.c-flight, .c-port { display: flex; flex-direction: column; min-width: 0; }
.fno { font-size: 17px; font-weight: 700; letter-spacing: -.01em; }
.airline { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cs { margin-left: 6px; color: var(--brand-strong); font-weight: 500; }
.c-port small { font-size: 12px; color: var(--faint); text-transform: uppercase; letter-spacing: .06em; }
.city { font-size: 17px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.c-time { display: flex; flex-direction: column; line-height: 1.15; }
.c-time small { margin-bottom: 2px; font-size: 11px; color: var(--faint); text-transform: uppercase; letter-spacing: .06em; }
.t-main { font-size: 20px; font-weight: 700; letter-spacing: -.01em; }
.t-main sup { font-size: 11px; margin-left: 1px; }
.t-main.t-late, .t-main.t-bad { color: var(--late); }
.t-main.t-good { color: var(--good); }
.t-main.t-none { color: var(--faint); font-weight: 500; }

.c-status { display: flex; justify-content: flex-start; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px 5px 8px; border-radius: 999px;
  font-size: 13px; font-weight: 600; white-space: nowrap;
}
.pill svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.pill svg .fill { fill: currentColor; stroke: none; }
.t-good  { --c: var(--good);  --cb: var(--good-bg); }
.t-done  { --c: var(--done);  --cb: var(--done-bg); }
.t-late  { --c: var(--late);  --cb: var(--late-bg); }
.t-bad   { --c: var(--bad);   --cb: var(--bad-bg); }
.t-now   { --c: var(--now);   --cb: var(--now-bg); }
.t-sched { --c: var(--sched); --cb: var(--sched-bg); }
.pill { color: var(--c); background: var(--cb); }

.chev { width: 16px; height: 16px; fill: none; stroke: var(--faint); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

.empty {
  display: flex; flex-direction: column; gap: 4px; align-items: center; text-align: center;
  padding: 40px 16px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); color: var(--muted);
}
.empty strong { color: var(--text); font-size: 16px; }

.footnote { margin: 24px 4px 0; font-size: 13px; color: var(--faint); }
.disclaimer { margin: 6px 4px 0; font-size: 13px; color: var(--faint); }

/* ---------- detail dialog ---------- */

.detail {
  width: min(480px, calc(100% - 32px)); max-height: calc(100% - 32px);
  padding: 0; border: 0; border-radius: 24px;
  background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg);
}
.detail::backdrop { background: rgba(8, 16, 22, .55); backdrop-filter: blur(3px); }
.detail[open] { animation: pop .18s ease-out; }
@keyframes pop { from { opacity: 0; transform: translateY(12px) scale(.98); } }
#detail-body { padding: 20px; }

.d-head { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; }
.d-head h2 { margin: 0; font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.d-head p { margin: 0; color: var(--muted); font-size: 14px; }
.d-close { align-self: start; }

.route {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px;
  margin: 20px 0 16px; padding: 16px; border-radius: 16px; background: var(--surface-2);
}
.route > div:not(.route-line) { display: flex; flex-direction: column; min-width: 0; }
.route .to { align-items: flex-end; text-align: right; }
.code { font-size: 28px; font-weight: 800; letter-spacing: -.02em; }
.place { font-size: 14px; color: var(--muted); }
.route-line { display: flex; align-items: center; gap: 6px; color: var(--brand); }
.route-line span { width: 28px; border-top: 2px dashed currentColor; opacity: .5; }
.route-line svg { width: 22px; height: 22px; fill: currentColor; }

.d-status .pill { font-size: 15px; padding: 7px 14px 7px 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; margin: 16px 0 0; }
.kv { padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; }
.kv dt { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.kv dd { margin: 2px 0 0; font-size: 20px; font-weight: 700; }
.kv dd sup { font-size: 11px; }
.kv.hl-late dd, .kv.hl-bad dd { color: var(--late); }
.kv.hl-good dd { color: var(--good); }

.d-cs { margin-top: 16px; }
.d-cs h3 { margin: 0 0 8px; font-size: 13px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 5px 10px; border-radius: 8px; background: var(--brand-soft); color: var(--brand-strong); font-weight: 700; font-size: 14px; }
.d-note { margin: 18px 0 0; font-size: 13px; color: var(--faint); }

/* ---------- small screens ---------- */

@media (max-width: 760px) {
  .card {
    grid-template-columns: 44px 104px minmax(0, 1fr) auto;
    grid-template-areas:
      "logo flight flight status"
      "logo port   port   port"
      "logo sched  est    gate";
    gap: 4px 12px; padding: 12px 14px;
  }
  .card .logo { grid-area: logo; width: 44px; height: 44px; align-self: start; }
  .c-flight { grid-area: flight; }
  .c-port { grid-area: port; flex-direction: row; align-items: baseline; gap: 6px; }
  .c-sched { grid-area: sched; margin-top: 4px; }
  .c-est { grid-area: est; margin-top: 4px; }
  .c-gate { grid-area: gate; margin-top: 4px; align-items: flex-end; }
  .t-main { font-size: 18px; }
  .c-status { grid-area: status; justify-content: flex-end; }
  .chev { display: none; }
  .fno { font-size: 16px; }
  .city { font-size: 15px; }
  .airline .cs { display: none; }
  .pill { font-size: 12px; padding: 4px 9px 4px 7px; }
  .clock-label { display: none; }
}

@media (max-width: 480px) {
  .hero { padding-top: 22px; }
  .tabs { width: 100%; }
  .tabs [role="tab"] { flex: 1; justify-content: center; padding: 10px 8px; }
  .search { flex-basis: 100%; }
  .brand-logo { height: 48px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}