@font-face { font-family: "Big Shoulders Display"; font-weight: 800; font-display: swap;
  src: url("fonts/big-shoulders-display-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Hanken Grotesk"; font-weight: 400; font-display: swap;
  src: url("fonts/hanken-grotesk-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Hanken Grotesk"; font-weight: 500; font-display: swap;
  src: url("fonts/hanken-grotesk-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Hanken Grotesk"; font-weight: 600; font-display: swap;
  src: url("fonts/hanken-grotesk-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Hanken Grotesk"; font-weight: 700; font-display: swap;
  src: url("fonts/hanken-grotesk-latin-700-normal.woff2") format("woff2"); }

:root {
  --fog: #e9eef0;
  --paper: #ffffff;
  --ink: #172033;
  --slate: #586274;
  --line: #d3dadf;
  --signal: #f5c400;
  --signal-ink: #172033;
  --teal-1: #d7ece8;
  --teal-2: #a6d6cf;
  --teal-3: #5fb3a8;
  --teal-4: #1f8a80;
  --teal-5: #0b5f5a;
  --danger: #b3261e;
  --focus: #2462d6;
  --display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --ui: "Hanken Grotesk", system-ui, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fog: #121a26;
    --paper: #1b2534;
    --ink: #e8edf2;
    --slate: #9aa6b6;
    --line: #2f3b4d;
    --teal-1: #1c3a3b;
    --teal-2: #1f5552;
    --teal-3: #23766f;
    --teal-4: #2d9b90;
    --teal-5: #5fd0c2;
    --danger: #ff8a80;
    --focus: #8ab4ff;
    --on-bright: #0d1a1f;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fog);
  color: var(--ink);
  font: 400 16px/1.5 var(--ui);
  font-feature-settings: "tnum" 1;
}
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- layout ---------- */
.shell {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: 28px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 28px;
  align-items: start;
}

/* ---------- search panel ---------- */
.panel {
  position: sticky;
  top: 28px;
  background: var(--paper);
  border-radius: 14px;
  padding: 24px 22px 22px;
  display: grid;
  gap: 18px;
  box-shadow: 0 1px 0 var(--line);
}
.brand h1 { margin: 0; font-size: 1.15rem; font-weight: 700; letter-spacing: -0.01em; }
.brand p { margin: 2px 0 0; color: var(--slate); font-size: 0.95rem; }

fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.field { display: grid; gap: 6px; min-width: 0; }
.field > span:first-child, .group-label { font-size: 0.85rem; font-weight: 600; color: var(--slate); }
.field input, .field select {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}
.field input:hover, .field select:hover { border-color: var(--slate); }
.field input[aria-invalid="true"] { border-color: var(--danger); }
.field.inline { grid-template-columns: 1fr auto; align-items: center; }
.field.inline select { width: auto; min-width: 110px; }

.route { display: grid; grid-template-columns: 1fr 40px 1fr; gap: 8px; align-items: end; }
.code input {
  font-family: var(--display);
  font-weight: 800;
  font-size: 2.1rem;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 8px 12px 6px;
}
.code input::placeholder { color: var(--line); }
.swap {
  width: 40px; height: 40px; margin-bottom: 6px;
  border: 0; border-radius: 50%;
  background: var(--fog); color: var(--ink);
  display: grid; place-items: center; cursor: pointer;
}
.swap svg { width: 20px; height: 20px; }
.swap:hover { background: var(--line); }

.recent { display: flex; flex-wrap: wrap; gap: 6px; margin-top: -8px; }
.recent button {
  border: 1px solid var(--line); background: transparent; border-radius: 999px;
  padding: 3px 10px; font-size: 0.85rem; cursor: pointer; color: var(--slate);
}
.recent button:hover { color: var(--ink); border-color: var(--slate); }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pax { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.pax .field > span:first-child { font-size: 0.78rem; line-height: 1.2; min-height: 2.4em; display: flex; align-items: end; }
.unit { position: relative; display: block; }
.unit input { padding-right: 52px; }
.unit em { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-style: normal; color: var(--slate); pointer-events: none; }

.group { display: grid; gap: 8px; }
.segmented { display: grid; grid-template-columns: 1fr 1fr; background: var(--fog); border-radius: 10px; padding: 3px; }
.segmented.three { grid-template-columns: 1fr 1.25fr 1.15fr; }
.segmented label { position: relative; }
.segmented input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.segmented span {
  display: block; text-align: center; padding: 8px 6px; border-radius: 8px;
  font-weight: 600; font-size: 0.92rem; color: var(--slate); white-space: nowrap;
}
.segmented input:checked + span { background: var(--paper); color: var(--ink); box-shadow: 0 1px 2px rgba(23, 32, 51, 0.14); }
.segmented input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: -1px; }

.more { border-top: 1px solid var(--line); padding-top: 14px; }
.more summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 12px;
  font-weight: 600; font-size: 0.92rem;
}
.more summary::-webkit-details-marker { display: none; }
.more summary::after { content: "+"; font-weight: 400; color: var(--slate); }
.more[open] summary::after { content: "−"; }
.summary-value { margin-left: auto; color: var(--slate); font-weight: 400; text-align: right; }
.more-body { display: grid; gap: 14px; padding-top: 14px; }

.estimate { margin: 0; font-size: 0.9rem; color: var(--slate); min-height: 1.5em; }
.estimate.error { color: var(--danger); }

.primary {
  min-height: 52px; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--signal); color: var(--signal-ink);
  font-weight: 700; font-size: 1.05rem;
}
.primary:hover { filter: brightness(0.96); }
.primary:disabled { opacity: 0.55; cursor: progress; }

/* ---------- board ---------- */
.board { min-width: 0; display: grid; gap: 22px; }
.board-head { display: grid; gap: 14px; padding-top: 6px; }
.route-title {
  margin: 0;
  display: flex; align-items: center; gap: 0.25em;
  font-family: var(--display); font-weight: 800;
  font-size: clamp(3.4rem, 9vw, 6.6rem); line-height: 0.85; letter-spacing: 0.02em;
}
.route-title svg { width: 0.62em; height: 0.3em; color: var(--slate); flex: none; }

.status { display: grid; gap: 8px; }
.bar { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.bar span { display: block; height: 100%; width: 0; background: var(--ink); transition: width 0.4s ease; }
.status-line { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.status-line p { margin: 0; color: var(--slate); }
.status-line p strong { color: var(--ink); font-weight: 600; }
.link { border: 0; background: none; padding: 0; cursor: pointer; color: var(--ink); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }

.section-h { margin: 0 0 12px; font-size: 1rem; font-weight: 700; }

/* calendar: the one bold thing */
.calendar-wrap { background: var(--paper); border-radius: 14px; padding: 20px; }
.calendar { display: grid; gap: 18px; }
.cal-month { display: grid; gap: 6px; }
.cal-month h4 { margin: 0; font-size: 0.9rem; font-weight: 600; color: var(--slate); }
.cal-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.cal-dow { font-size: 0.75rem; color: var(--slate); text-align: center; padding-bottom: 2px; }
.day {
  position: relative;
  height: 60px;
  border-radius: 6px;
  padding: 6px 7px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: transparent;
  font-size: 0.8rem;
  min-width: 0;
}
.day .num { color: var(--slate); line-height: 1; }
.day .fare { font-weight: 700; font-size: clamp(0.72rem, 1.25vw, 1rem); line-height: 1; white-space: nowrap; overflow: hidden; }
.day.in-window { background: repeating-linear-gradient(135deg, var(--fog) 0 6px, transparent 6px 12px); }
.day.in-window .num { color: var(--ink); }
.day.priced { animation: land 0.35s ease-out; }
.day.t1 { background: var(--teal-1); }
.day.t2 { background: var(--teal-2); }
.day.t3 { background: var(--teal-3); color: #fff; }
.day.t4 { background: var(--teal-4); color: #fff; }
.day.t5 { background: var(--teal-5); color: #fff; }
.day.t3 .num, .day.t4 .num, .day.t5 .num { color: rgba(255, 255, 255, 0.85); }
.day.none .fare { color: var(--slate); font-weight: 500; }
.day.off { opacity: 0.45; }
.day .num.month { font-weight: 700; color: var(--ink); }
.day.t3 .num.month, .day.t4 .num.month, .day.t5 .num.month { color: inherit; }
.rank {
  position: absolute; top: -5px; right: -5px;
  min-width: 22px; height: 22px; padding: 0 5px;
  border-radius: 11px; background: var(--signal); color: var(--signal-ink);
  font-size: 0.75rem; font-weight: 700; display: grid; place-items: center;
  box-shadow: 0 0 0 2px var(--paper);
}
@keyframes land { from { transform: scale(0.88); opacity: 0.3; } to { transform: none; opacity: 1; } }

.legend { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 16px; font-size: 0.85rem; color: var(--slate); }
.swatch-scale { display: inline-flex; border-radius: 4px; overflow: hidden; }
.swatch-scale i { width: 18px; height: 12px; }
.swatch-scale i:nth-child(1) { background: var(--teal-5); }
.swatch-scale i:nth-child(2) { background: var(--teal-4); }
.swatch-scale i:nth-child(3) { background: var(--teal-3); }
.swatch-scale i:nth-child(4) { background: var(--teal-2); }
.swatch-scale i:nth-child(5) { background: var(--teal-1); }
.legend-rank { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; }
.legend-rank b { background: var(--signal); color: var(--signal-ink); border-radius: 11px; min-width: 22px; height: 22px; display: grid; place-items: center; font-size: 0.75rem; }
.empty { margin: 0; color: var(--slate); max-width: 52ch; }

/* results */
.results-wrap { background: var(--paper); border-radius: 14px; padding: 20px; }
.results-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.sort { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; color: var(--slate); }
.sort button {
  border: 1.5px solid var(--line); background: transparent; border-radius: 999px;
  padding: 4px 12px; cursor: pointer; font-weight: 600; color: var(--slate);
}
.sort button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.results { list-style: none; margin: 0; padding: 0; }
.trip { border-top: 1px solid var(--line); }
.trip:first-child { border-top: 0; }
.trip-row {
  width: 100%; border: 0; background: none; cursor: pointer; text-align: left;
  display: grid;
  grid-template-columns: 34px minmax(170px, 1.3fr) minmax(0, 2fr) 96px 24px;
  gap: 14px; align-items: center; padding: 14px 4px;
}
.metas { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; min-width: 0; }
.meta { min-width: 0; }
.meta > * { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.trip-row:hover { background: color-mix(in srgb, var(--fog) 55%, transparent); }
.trip .pos {
  width: 26px; height: 26px; border-radius: 13px; display: grid; place-items: center;
  background: var(--signal); color: var(--signal-ink); font-weight: 700; font-size: 0.82rem;
}
.dates strong { display: block; font-weight: 600; }
.dates span, .meta span { color: var(--slate); font-size: 0.88rem; }
.len { color: var(--slate); }
.meta strong { display: block; font-weight: 500; }
.price { text-align: right; font-weight: 700; font-size: 1.2rem; }
.chev { width: 18px; height: 18px; color: var(--slate); transition: transform 0.2s ease; }
.trip-row[aria-expanded="true"] .chev { transform: rotate(180deg); }

.detail { padding: 2px 4px 18px 52px; display: grid; gap: 16px; }
.detail[hidden] { display: none; }
.leg h5 { margin: 0 0 6px; font-size: 0.9rem; font-weight: 700; }
.leg h5 span { color: var(--slate); font-weight: 500; }
.seg { display: grid; grid-template-columns: 76px 1fr; gap: 2px 12px; padding: 6px 0; font-size: 0.92rem; }
.seg time { font-weight: 600; white-space: nowrap; }
.seg .where { color: var(--slate); }
.layover { margin: 2px 0 2px 88px; font-size: 0.85rem; color: var(--slate); }
.unknown { color: var(--slate); font-size: 0.9rem; margin: 0; }
.book {
  justify-self: start; display: inline-block; padding: 9px 16px; border-radius: 8px;
  background: var(--ink); color: var(--paper); text-decoration: none; font-weight: 600;
}
.notes { margin: 14px 0 0; padding-left: 18px; color: var(--slate); font-size: 0.88rem; }
.notes:empty { display: none; }
.no-results { padding: 8px 0; color: var(--slate); margin: 0; }

/* ---------- price alerts ---------- */
.secondary {
  min-height: 44px; padding: 0 18px; border-radius: 10px; cursor: pointer;
  border: 1.5px solid var(--ink); background: transparent; color: var(--ink); font-weight: 700;
}
.secondary:hover { background: var(--fog); }
.alert-box { display: grid; gap: 10px; border-top: 1px solid var(--line); padding-top: 16px; }
.alert-box .hint { margin-top: -4px; }
.watch-msg { margin: 0; font-size: 0.9rem; }
.watch-msg:empty { display: none; }
.watch-msg.error { color: var(--danger); }
.watch-msg a { color: var(--ink); font-weight: 600; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.detail-actions .secondary { min-height: 40px; }
.check { display: flex; gap: 10px; align-items: flex-start; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--ink); }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; }
.button-row .primary { padding: 0 22px; min-height: 46px; font-size: 1rem; }
.notice.warn { background: color-mix(in srgb, var(--signal) 28%, var(--paper)); }
.notice a { color: var(--ink); font-weight: 600; }

.watches { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.watch { background: var(--paper); border-radius: 14px; padding: 18px 20px; display: grid; gap: 10px; border-left: 6px solid var(--line); }
.watch.hit { border-left-color: var(--signal); }
.watch-head { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; }
.watch-head h2 { margin: 0 0 2px; font-size: 1.05rem; }
.watch-price { text-align: right; display: grid; justify-items: end; gap: 4px; }
.watch-price strong { font-size: 1.5rem; line-height: 1; }
.watch-price .tag { margin-left: 0; }
.watch .hint a { color: var(--ink); font-weight: 600; }
.spark { margin: 0; display: grid; gap: 4px; }
.spark svg { width: 100%; max-width: 420px; height: 70px; }
.spark-line { fill: none; stroke: var(--teal-4); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.spark-dot { fill: var(--teal-5); }
.spark-trigger { stroke: var(--slate); stroke-width: 1.5; stroke-dasharray: 5 5; }
.watch-actions { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 12px; border-top: 1px solid var(--line); padding-top: 12px; }
.trigger-form { display: flex; align-items: end; gap: 10px; flex-wrap: wrap; }
.trigger-form .field { width: 220px; }
.watch-links { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }

/* ---------- sign-in, account and people pages ---------- */
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { position: static; width: min(380px, 100%); }
.form-error { margin: 0; color: var(--danger); font-size: 0.92rem; }
.notice { margin: 0; padding: 10px 14px; border-radius: 8px; background: var(--teal-1); color: var(--ink); }

.who { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-top: 10px; font-size: 0.9rem; }
.who #who-name { color: var(--slate); margin-right: auto; }
.who a, .page-nav a { color: var(--ink); font-weight: 600; text-underline-offset: 3px; }
.link.danger { color: var(--danger); }

.sheet-body { padding: 28px 16px 60px; }
.sheet { max-width: 640px; margin: 0 auto; display: grid; gap: 18px; }
.sheet h1 { margin: 0; font-family: var(--display); font-weight: 800; font-size: clamp(2.6rem, 8vw, 3.6rem); line-height: 0.9; letter-spacing: 0.02em; }
.page-nav { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 18px; font-size: 0.95rem; }
.page-nav form { margin-left: auto; }
.lede { margin: 0; color: var(--slate); max-width: 60ch; }
.lede strong { color: var(--ink); }
.card { background: var(--paper); border-radius: 14px; padding: 20px; display: grid; gap: 14px; }
.card h2 { margin: 0; font-size: 1.05rem; }
.stack { display: grid; gap: 14px; }
.stack .secondary { justify-self: start; }
.hint a { color: var(--ink); font-weight: 600; }
.stack .primary { justify-self: start; padding: 0 22px; min-height: 46px; font-size: 1rem; }
.hint { color: var(--slate); font-size: 0.88rem; margin: 0; }
.people { list-style: none; margin: 0; padding: 0; }
.person { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.person:first-child { border-top: 0; padding-top: 0; }
.person > div:first-child { display: grid; gap: 2px; min-width: 0; }
.person-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.tag { display: inline-block; justify-self: start; margin-left: 6px; padding: 1px 8px; border-radius: 999px; background: var(--signal); color: var(--signal-ink); font-size: 0.75rem; font-weight: 700; vertical-align: 2px; }
.share { background: var(--paper); border: 2px solid var(--signal); border-radius: 14px; padding: 16px 20px; display: grid; gap: 10px; }
.share p { margin: 0; }
.share-text { margin: 0; padding: 12px 14px; border-radius: 8px; background: var(--fog); font: 600 0.95rem/1.6 var(--ui); white-space: pre-wrap; word-break: break-all; user-select: all; }

/* ---------- small screens ---------- */
@media (max-width: 920px) {
  .shell { grid-template-columns: 1fr; padding: 16px; gap: 18px; }
  .panel { position: static; }
  .board { order: 2; }
}
@media (max-width: 640px) {
  .trip-row {
    grid-template-columns: 30px 1fr auto 18px;
    grid-template-areas: "pos dates price chev" "pos metas metas metas";
    gap: 6px 10px;
  }
  .trip .pos { grid-area: pos; align-self: start; margin-top: 2px; }
  .dates { grid-area: dates; }
  .price { grid-area: price; }
  .chev { grid-area: chev; }
  .metas { grid-area: metas; grid-template-columns: 1fr auto; gap: 10px; }
  .meta strong { font-size: 0.92rem; }
  .detail { padding-left: 4px; }
  .calendar-wrap, .results-wrap { padding: 14px; }
  .day { padding: 4px; height: auto; aspect-ratio: 1 / 1; }
  .day .fare { font-size: 0.7rem; }
  .rank { min-width: 18px; height: 18px; font-size: 0.66rem; top: -4px; right: -4px; }
  .pax { grid-template-columns: repeat(2, 1fr); }
  .pax .field > span:first-child { min-height: 0; }
}

/* The cheapest days are the brightest in dark mode; give them dark text so it stays readable. */
@media (prefers-color-scheme: dark) {
  .day.t4, .day.t5 { color: var(--on-bright); }
  .day.t4 .num, .day.t5 .num { color: rgba(13, 26, 31, 0.72); }
}

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