:root {
  --bg: #0f0a26;
  --bg-2: #1b1247;
  --card: rgba(255, 255, 255, .06);
  --card-hover: rgba(255, 255, 255, .1);
  --line: rgba(255, 255, 255, .12);
  --text: #f5f2ff;
  --muted: #a9a0d6;
  --violet: #8b5cf6;
  --indigo: #4f46e5;
  --coral: #ff7e5f;
  --amber: #ffb86b;
  --teal: #2dd4bf;
  --pass-bottom: #231a5c;
  --pass-bottom-text: #f5f2ff;
  --display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --gutter: 16px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f4f0ff;
    --bg-2: #e3dbff;
    --card: #ffffff;
    --card-hover: #f0eaff;
    --line: rgba(40, 20, 100, .12);
    --text: #1b1340;
    --muted: #6a6194;
    --pass-bottom: #ffffff;
    --pass-bottom-text: #1b1340;
    color-scheme: light;
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(900px 420px at 85% -80px, color-mix(in srgb, var(--violet) 45%, transparent), transparent 70%),
    radial-gradient(700px 400px at -10% 12%, color-mix(in srgb, var(--coral) 18%, transparent), transparent 70%),
    linear-gradient(180deg, var(--bg-2), var(--bg) 420px);
  background-color: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- header ---------- */
.hero { max-width: 560px; margin: 0 auto; padding: calc(env(safe-area-inset-top) + 22px) var(--gutter) 6px; }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.logo {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--coral));
  box-shadow: 0 8px 24px color-mix(in srgb, var(--violet) 50%, transparent);
}
.logo svg { transform: rotate(45deg); }
.brand h1 { margin: 0; font: 700 28px/1 var(--display); letter-spacing: .04em; text-transform: uppercase; }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.search { position: relative; display: flex; align-items: center; }
.search .mag { position: absolute; left: 16px; z-index: 1; color: var(--muted); pointer-events: none; }
.search input {
  width: 100%; height: 56px; padding: 0 48px 0 46px; border-radius: 18px;
  border: 1.5px solid var(--line); background: var(--card); color: var(--text);
  font: 600 18px/1 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; letter-spacing: .01em;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none; appearance: none;
}
.search input::placeholder { color: var(--muted); font-weight: 500; }
.search input:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 4px color-mix(in srgb, var(--violet) 28%, transparent); }
.search input::-webkit-search-cancel-button { display: none; }
.clear {
  position: absolute; right: 8px; width: 40px; height: 40px; border: 0; border-radius: 12px;
  background: transparent; color: var(--muted); display: grid; place-items: center; cursor: pointer;
}
.clear[hidden] { display: none; }
.clear:hover { background: var(--card-hover); }

/* ---------- main ---------- */
main { max-width: 560px; margin: 0 auto; padding: 18px var(--gutter) 24px; }
.foot { max-width: 560px; margin: 0 auto; padding: 0 var(--gutter) 28px; color: var(--muted); font-size: 12px; text-align: center; opacity: .7; }

.empty { text-align: center; color: var(--muted); padding: 40px 12px; }
.empty.small { padding: 14px 0; text-align: left; }
.empty code { background: var(--card); padding: 2px 6px; border-radius: 6px; }

/* home */
.home .lead { color: var(--muted); margin: 8px 2px 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer;
  padding: 10px 16px; min-height: 44px; border-radius: 999px; font: 700 16px/1 system-ui, sans-serif; letter-spacing: .03em;
}
.chip:hover { background: var(--card-hover); border-color: var(--violet); }
.tips { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; }
.tips li { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; color: var(--muted); font-size: 14px; }
.tips b { color: var(--text); }

/* ---------- boarding pass ---------- */
.pass { margin-bottom: 22px; filter: drop-shadow(0 18px 30px rgba(10, 4, 40, .45)); }
.pass-top, .pass-bottom { position: relative; }
.pass-top {
  padding: 18px 20px 22px; border-radius: 24px 24px 0 0; color: #fff; overflow: hidden;
  background:
    radial-gradient(420px 220px at 105% -20%, rgba(255, 126, 95, .55), transparent 65%),
    linear-gradient(135deg, #7c3aed, #4338ca 70%, #312e81);
  -webkit-mask: radial-gradient(circle 13px at 0 100%, #0000 97%, #000) , radial-gradient(circle 13px at 100% 100%, #0000 97%, #000);
  -webkit-mask-composite: source-in;
  mask: radial-gradient(circle 13px at 0 100%, #0000 97%, #000), radial-gradient(circle 13px at 100% 100%, #0000 97%, #000);
  mask-composite: intersect;
}
.metro-pass .pass-top {
  background:
    radial-gradient(420px 220px at 105% -20%, rgba(255, 184, 107, .6), transparent 65%),
    linear-gradient(135deg, #c026d3, #7c3aed 65%, #4338ca);
}
.pass-label { display: flex; justify-content: space-between; gap: 12px; font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; opacity: .85; }
.code { font: 700 clamp(84px, 30vw, 128px)/.9 var(--display); letter-spacing: .02em; margin: 10px 0 8px; text-shadow: 0 4px 24px rgba(0, 0, 0, .3); }
.pass-top h2 { margin: 0; font-size: 19px; line-height: 1.25; font-weight: 700; }
.loc { margin: 4px 0 0; opacity: .85; }
.plane { position: absolute; right: 18px; bottom: 20px; width: 44px; height: 44px; color: rgba(255, 255, 255, .85); transform: rotate(45deg); }

.pass-bottom {
  padding: 16px 20px 18px; border-radius: 0 0 24px 24px; background: var(--pass-bottom); color: var(--pass-bottom-text);
  -webkit-mask: radial-gradient(circle 13px at 0 0, #0000 97%, #000), radial-gradient(circle 13px at 100% 0, #0000 97%, #000);
  -webkit-mask-composite: source-in;
  mask: radial-gradient(circle 13px at 0 0, #0000 97%, #000), radial-gradient(circle 13px at 100% 0, #0000 97%, #000);
  mask-composite: intersect;
}
.pass-bottom::before { content: ""; position: absolute; left: 20px; right: 20px; top: 0; border-top: 2px dashed color-mix(in srgb, var(--pass-bottom-text) 28%, transparent); }
.meta { display: flex; gap: 22px; flex-wrap: wrap; }
.meta span { display: block; font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }
.meta b, .link { font: 700 22px/1.1 var(--display); letter-spacing: .06em; }
.link {
  border: 0; padding: 0; background: none; cursor: pointer; color: var(--violet);
  text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px;
}

/* ---------- lists ---------- */
.block { margin-top: 4px; }
.block h3 { margin: 0 2px 10px; font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.block + .block { margin-top: 22px; }
.rows { display: grid; gap: 10px; }
.row {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px;
  width: 100%; min-height: 64px; padding: 10px 14px 10px 10px; text-align: left; cursor: pointer;
  background: var(--card); color: var(--text); border: 1px solid var(--line); border-radius: 18px;
  font: inherit; transition: transform .1s, background .15s, border-color .15s;
}
.row:hover { background: var(--card-hover); border-color: color-mix(in srgb, var(--violet) 60%, var(--line)); }
.row:active { transform: scale(.985); }
.badge {
  display: grid; place-items: center; width: 68px; height: 46px; border-radius: 13px; color: #fff;
  font: 700 26px/1 var(--display); letter-spacing: .04em;
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
}
.badge.size-M { background: linear-gradient(135deg, #0ea5e9, #4f46e5); }
.badge.size-S { background: linear-gradient(135deg, #64748b, #475569); }
.badge.metro { background: linear-gradient(135deg, #ff7e5f, #c026d3); }
.info { min-width: 0; display: grid; gap: 1px; }
.info b { font-size: 15px; font-weight: 650; line-height: 1.25; overflow-wrap: anywhere; }
.info small { color: var(--muted); font-size: 13px; }
.tag {
  justify-self: start; margin-top: 4px; font-style: normal; font-size: 11px; font-weight: 700; letter-spacing: .04em;
  color: var(--coral); background: color-mix(in srgb, var(--coral) 16%, transparent); padding: 2px 8px; border-radius: 999px;
}
.dist { text-align: right; font: 700 24px/1 var(--display); color: var(--teal); letter-spacing: .02em; }
.dist small { display: block; margin-top: 2px; font: 600 11px/1 system-ui, sans-serif; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.chev { color: var(--muted); }

:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media (min-width: 640px) { .hero { padding-top: 40px; } }