/* TravelChain — a night-blue sky for the search, paper-white cards for the results.
   Every mode has its own colour, the same in the timeline, the icons and the details.
   Type: Unbounded for prices and times (big numbers read at a glance), Onest for everything else. */

:root {
  --font: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Unbounded", "Onest", system-ui, sans-serif;

  --bg: #f3f5fa;
  --card: #ffffff;
  --ink: #0f1730;
  --muted: #5d6782;
  --line: #e2e6f0;
  --soft: #eef1f8;
  --hero: #12205c;
  --hero-ink: #ffffff;
  --hero-muted: #b9c3ea;
  --accent: #ff6a3d;
  --accent-ink: #ffffff;
  --focus: #1f4fff;
  --good: #11875d;
  --good-bg: #e3f6ee;

  --flight: #1f4fff;
  --train: #7a4dff;
  --bus: #e0820b;
  --ferry: #0b9a9a;

  --radius: 18px;
  --shadow: 0 1px 2px rgb(15 23 48 / 6%), 0 8px 24px rgb(15 23 48 / 6%);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1020;
    --card: #141b30;
    --ink: #e9edf8;
    --muted: #9aa4c0;
    --line: #253050;
    --soft: #1b2440;
    --hero: #0f1a46;
    --hero-muted: #9eabde;
    --good: #46d39a;
    --good-bg: #133a2c;
    --flight: #5b84ff;
    --train: #a184ff;
    --bus: #f3a33a;
    --ferry: #2cc4c4;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 25%);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0b1020;
  --card: #141b30;
  --ink: #e9edf8;
  --muted: #9aa4c0;
  --line: #253050;
  --soft: #1b2440;
  --hero: #0f1a46;
  --hero-muted: #9eabde;
  --good: #46d39a;
  --good-bg: #133a2c;
  --flight: #5b84ff;
  --train: #a184ff;
  --bus: #f3a33a;
  --ferry: #2cc4c4;
  --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 25%);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 var(--font); }
button, input, select { font: inherit; color: inherit; }
a { color: var(--focus); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.wrap { width: 100%; max-width: 980px; margin: 0 auto; padding: 0 16px; }

.i { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8;
     stroke-linecap: round; stroke-linejoin: round; }

/* ---------- hero and the search form ---------- */

.hero { background: radial-gradient(120% 140% at 85% -20%, #2b49c9 0%, var(--hero) 55%); color: var(--hero-ink);
        padding: 20px 0 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none;
         font: 600 18px var(--font-display); }
.brand i { color: var(--accent); font-style: normal; }
.hero h1 { font: 600 clamp(22px, 4vw, 34px)/1.15 var(--font-display); margin: 28px 0 8px; max-width: 760px; }
.lead { margin: 0 0 22px; color: var(--hero-muted); max-width: 640px; }

.search { display: grid; grid-template-columns: 1fr auto 1fr 180px auto; gap: 6px; align-items: stretch;
          background: rgb(255 255 255 / 10%); padding: 6px; border-radius: calc(var(--radius) + 6px); }
.field { position: relative; display: flex; flex-direction: column; justify-content: center;
         background: var(--card); color: var(--ink); border-radius: var(--radius); padding: 8px 14px; min-height: 60px; }
.field label { font-size: 12px; color: var(--muted); }
.field input { border: 0; outline: 0; background: transparent; padding: 0; font-size: 17px; font-weight: 600;
               width: 100%; min-width: 0; }
.field:focus-within { box-shadow: 0 0 0 3px var(--focus); }
.field .code { position: absolute; right: 14px; bottom: 11px; font-size: 13px; color: var(--muted); }
.place[data-role="origin"] .code { right: 30px; }     /* clear of the swap button over the field's edge */
.swap { align-self: center; width: 36px; height: 36px; border-radius: 50%; border: 0; display: grid; place-items: center;
        background: var(--card); color: var(--ink); cursor: pointer; margin: 0 -18px; z-index: 1;
        box-shadow: 0 0 0 4px var(--hero); }
.swap:hover { color: var(--focus); }
.go { border: 0; border-radius: var(--radius); background: var(--accent); color: var(--accent-ink); cursor: pointer;
      padding: 0 28px; font: 600 17px var(--font-display); }
.go:hover { filter: brightness(1.06); }
.go:focus-visible, .swap:focus-visible, .chip:focus-visible, .tab:focus-visible, .trip-head:focus-visible,
.buy:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.options { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
           border: 0; margin: 4px 0 0; padding: 4px 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-right: auto; }
.chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid rgb(255 255 255 / 25%);
        background: transparent; color: var(--hero-ink); border-radius: 999px; padding: 6px 12px 6px 9px; cursor: pointer;
        font-size: 14px; }
.chip[aria-pressed="true"] { background: var(--hero-ink); color: var(--hero); border-color: var(--hero-ink); }
.chip .i { width: 18px; height: 18px; }
.select { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--hero-muted); }
.select select { background: rgb(255 255 255 / 12%); color: var(--hero-ink); border: 1px solid rgb(255 255 255 / 25%);
                 border-radius: 10px; padding: 5px 8px; }
.select option { color: #0f1730; }

.suggest { position: absolute; z-index: 5; left: 0; right: 0; top: calc(100% + 6px); margin: 0; padding: 6px;
           list-style: none; background: var(--card); color: var(--ink); border-radius: 14px; box-shadow: var(--shadow);
           border: 1px solid var(--line); max-height: 320px; overflow: auto; }
.suggest li { display: flex; align-items: baseline; gap: 8px; padding: 9px 10px; border-radius: 10px; cursor: pointer; }
.suggest li[aria-selected="true"], .suggest li:hover { background: var(--soft); }
.suggest .country { color: var(--muted); font-size: 13px; }
.suggest .code { margin-left: auto; color: var(--muted); font-size: 13px; font-weight: 600; }
.suggest .empty { color: var(--muted); cursor: default; }

/* ---------- results ---------- */

main { padding-top: 22px; padding-bottom: 48px; }
.summary { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin: 0 0 14px; }
.summary h2 { font: 600 20px var(--font-display); margin: 0; }
.summary span { color: var(--muted); }

.notice { display: flex; gap: 10px; align-items: flex-start; background: var(--card); border: 1px dashed var(--line);
          border-radius: 14px; padding: 10px 14px; color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.notice .i { margin-top: 1px; color: var(--bus); }

.tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; background: var(--card); border-radius: var(--radius);
        box-shadow: var(--shadow); overflow: hidden; margin-bottom: 14px; }
.tab { border: 0; background: transparent; padding: 12px 14px; text-align: left; cursor: pointer;
       border-bottom: 3px solid transparent; }
.tab + .tab { border-left: 1px solid var(--line); }
.tab b { display: block; font-size: 15px; }
.tab span { color: var(--muted); font-size: 13px; }
.tab[aria-selected="true"] { border-bottom-color: var(--focus); }
.tab[aria-selected="true"] b { color: var(--focus); }

.trips { display: grid; gap: 12px; }
.trip { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.trip-head { display: grid; grid-template-columns: 170px 1fr; gap: 6px 22px; width: 100%; border: 0; background: none;
             text-align: left; padding: 16px 18px; cursor: pointer; }
.price { font: 600 24px/1.1 var(--font-display); white-space: nowrap; }
.tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.tag { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--good-bg); color: var(--good);
       font-weight: 600; }
.times { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; }
.end b { display: block; font: 600 20px/1.1 var(--font-display); }
.end b sup { font: 600 11px var(--font); color: var(--accent); margin-left: 2px; vertical-align: top; }
.end span { color: var(--muted); font-size: 13px; }
.end.to { text-align: right; }
.track { display: grid; gap: 6px; }
.track .total { text-align: center; color: var(--muted); font-size: 13px; }
.timeline { position: relative; height: 26px; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; border-top: 2px dotted var(--line); }
.seg { position: absolute; top: 3px; bottom: 3px; border-radius: 999px; display: grid; place-items: center;
       color: #fff; min-width: 6px; background: var(--mode); }
.seg .i { width: 15px; height: 15px; stroke-width: 2; }
.route { grid-column: 2; color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 4px 10px; }
.route .modes { display: inline-flex; gap: 4px; }
.route .modes .i { width: 17px; height: 17px; color: var(--mode); }

.m-flight { --mode: var(--flight); }
.m-train { --mode: var(--train); }
.m-bus { --mode: var(--bus); }
.m-ferry { --mode: var(--ferry); }

.trip-body { display: none; border-top: 1px solid var(--line); padding: 6px 18px 14px; }
.trip.open .trip-body { display: block; }
.leg { display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; padding: 12px 0; }
.leg-icon { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; color: #fff;
            background: var(--mode); }
.stop { display: flex; gap: 10px; align-items: baseline; }
.stop b { font: 600 16px var(--font-display); min-width: 52px; flex: none; }
.stop small { color: var(--muted); }
.ride { color: var(--muted); font-size: 14px; margin: 4px 0 4px 62px; }
.leg-side { display: grid; justify-items: end; align-content: start; gap: 6px; text-align: right; }
.leg-price { font-weight: 600; }
.badge { font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; }
.badge.live { color: var(--good); border-color: var(--good); }
.buy { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; font-weight: 600; text-decoration: none; }
.buy .i { width: 16px; height: 16px; }
.transfer { display: flex; gap: 10px; align-items: center; margin-left: 48px; padding: 8px 12px; border-radius: 12px;
            background: var(--soft); color: var(--muted); font-size: 14px; }
.transfer b { color: var(--ink); font-weight: 600; }
.transfer em { color: var(--accent); font-style: normal; font-weight: 600; }

.suggest li.anywhere span:first-child { font-weight: 600; }

.link { border: 0; background: none; padding: 0; color: var(--focus); cursor: pointer; font-size: inherit; }
.places { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 12px; }
.places .skeleton { height: 150px; }
.dest { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px;
        display: grid; gap: 8px; align-content: start; }
.dest-head { display: flex; align-items: flex-start; gap: 10px; }
.dest-head b { display: block; font: 600 17px var(--font-display); overflow-wrap: anywhere; }
.dest-head small { color: var(--muted); font-size: 13px; }
.dest-price { margin-left: auto; font: 600 20px var(--font-display); white-space: nowrap; }
.dest-meta { display: flex; gap: 6px; align-items: flex-start; color: var(--muted); font-size: 14px; }
.dest-meta .i { width: 17px; height: 17px; margin-top: 1px; }
.dest-actions { display: flex; align-items: center; gap: 14px; margin-top: 4px; }
.btn { display: inline-block; border-radius: 12px; padding: 8px 14px; background: var(--soft); color: var(--ink);
       font-weight: 600; font-size: 14px; text-decoration: none; }
.btn:hover { background: var(--line); }
.state { text-align: center; color: var(--muted); padding: 48px 16px; }
.loading { color: var(--muted); font-size: 14px; margin: 0 0 12px; }
.state b { display: block; color: var(--ink); font: 600 18px var(--font-display); margin-bottom: 6px; }
.skeleton { height: 118px; border-radius: var(--radius); background: linear-gradient(90deg, var(--card) 0%, var(--soft) 50%, var(--card) 100%);
            background-size: 200% 100%; animation: shimmer 1.2s infinite linear; }
@keyframes shimmer { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } }

/* ---------- narrow screens ---------- */

@media (max-width: 820px) {
  .search { grid-template-columns: 1fr 1fr; position: relative; }
  .search .place { grid-column: 1 / -1; }
  .search .place .code { right: 64px; }
  /* between the two place fields, on their right edge: 6px padding + 60px field + half the gap - half the button */
  .swap { position: absolute; top: 51px; right: 20px; margin: 0; transform: rotate(90deg); }
  .go { min-height: 60px; }
  .trip-head { grid-template-columns: 1fr; }
  .route { grid-column: 1; }
  .tags { margin-top: 6px; }
  .price-box { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
  .tags { margin: 0; }
}

@media (max-width: 520px) {
  .tabs { grid-template-columns: 1fr 1fr 1fr; }
  .tab { padding: 10px; }
  .tab b { font-size: 13px; }
  .end b { font-size: 17px; }
  .leg { grid-template-columns: 32px 1fr; }
  .leg-side { grid-column: 2; justify-items: start; text-align: left; grid-auto-flow: column; justify-content: start;
              align-items: center; gap: 10px; }
  .ride { margin-left: 0; }
  .transfer { margin-left: 0; }
}