/* Mobile-first. Two people mostly on phones; desktop gets a wider column. */

:root {
  --navy: #0b2a4a;
  --navy-2: #143d6b;
  --gold: #f6c453;
  --sea: #1f8a9e;
  --bg: #f4f6fa;
  --card: #ffffff;
  --ink: #16202b;
  --muted: #5b6875;
  --line: #dde3ea;
  --ok: #2e8b57;
  --warn: #c2410c;
  --danger: #b42318;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(11, 42, 74, .06), 0 6px 20px rgba(11, 42, 74, .06);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1420;
    --card: #162033;
    --ink: #e8edf3;
    --muted: #9aa8b8;
    --line: #26344a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 20px rgba(0, 0, 0, .3);
  }
}
:root[data-theme="dark"] {
  --bg: #0d1420;
  --card: #162033;
  --ink: #e8edf3;
  --muted: #9aa8b8;
  --line: #26344a;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
}
button, input, textarea { font: inherit; color: inherit; }
a { color: var(--sea); }
[hidden] { display: none !important; }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 60%, #1f5f8f 100%);
  color: #fff;
  padding: calc(20px + env(safe-area-inset-top)) 16px 20px;
}
.hero-inner { max-width: 820px; margin: 0 auto; }
.eyebrow { margin: 0 0 4px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; opacity: .8; }
.hero h1 { margin: 0; font-size: clamp(22px, 5.5vw, 32px); line-height: 1.15; }
.hero .sub { margin: 6px 0 14px; opacity: .9; font-size: 14px; }
.countdown { display: flex; gap: 10px; flex-wrap: wrap; }
.count {
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 12px;
  padding: 10px 14px;
  min-width: 120px;
  flex: 1 1 140px;
}
.count b { display: block; font-size: 28px; line-height: 1; color: var(--gold); }
.count span { font-size: 12px; opacity: .9; }

/* Tabs */
.tabs {
  position: sticky; top: 0; z-index: 5;
  display: flex; gap: 4px;
  padding: 8px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  max-width: 852px; margin: 0 auto;
}
.tab {
  flex: 1 0 auto;
  background: transparent; border: 0;
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--muted);
  white-space: nowrap;
  cursor: pointer;
}
.tab[aria-selected="true"] { background: var(--navy); color: #fff; }
.pill {
  display: inline-block; min-width: 20px; padding: 0 6px; margin-left: 4px;
  border-radius: 999px; background: var(--gold); color: var(--navy);
  font-size: 12px; font-weight: 700; line-height: 20px; text-align: center;
}
.pill:empty { display: none; }

/* Layout */
main { max-width: 820px; margin: 0 auto; padding: 16px; }
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  margin-bottom: 14px;
}
.card h2 { margin: 0 0 8px; font-size: 18px; }
.card h3 { margin: 14px 0 6px; font-size: 15px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.blurb { margin: -4px 0 10px; color: var(--muted); font-size: 14px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.empty { color: var(--muted); font-style: italic; padding: 6px 0; }

/* Checklist */
.check {
  display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: start;
  padding: 10px 0; border-top: 1px solid var(--line);
}
.check:first-of-type { border-top: 0; }
.check input[type="checkbox"] { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--sea); cursor: pointer; }
.check label { cursor: pointer; }
.check.done label { color: var(--muted); text-decoration: line-through; text-decoration-color: rgba(128, 128, 128, .6); }
.check .meta { display: block; margin-top: 2px; font-size: 12px; color: var(--muted); text-decoration: none; }
.check .due { font-weight: 600; }
.check .due.overdue { color: var(--danger); }
.check .due.soon { color: var(--warn); }
.check .remove { background: none; border: 0; color: var(--muted); cursor: pointer; padding: 0 4px; font-size: 18px; line-height: 1; }
.check .remove:hover { color: var(--danger); }
.progress { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; margin: 6px 0 4px; }
.progress > div { height: 100%; background: var(--sea); transition: width .3s; }

.add-item, .add-event {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px;
}
.add-item input, .add-event input, .note {
  flex: 1 1 140px; min-width: 0;
  padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px;
  background: transparent;
}
.add-item input[name="due"] { flex: 0 1 150px; }
.add-event input[name="time"] { flex: 0 1 130px; }
.add-item button, .add-event button, .btn {
  padding: 9px 14px; border: 0; border-radius: 10px;
  background: var(--navy); color: #fff; cursor: pointer;
}
.btn.ghost { background: transparent; color: var(--sea); border: 1px solid var(--line); }

/* Itinerary */
.day { scroll-margin-top: 70px; }
.day.today { outline: 2px solid var(--gold); }
.day header { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.day header h2 { margin: 0; }
.day header .where { color: var(--muted); font-size: 14px; }
.day .badge { font-size: 12px; font-weight: 700; color: var(--navy); background: var(--gold); border-radius: 999px; padding: 2px 10px; }
.timeline { list-style: none; margin: 10px 0 0; padding: 0; }
.timeline li {
  display: grid; grid-template-columns: 100px 1fr auto; gap: 10px;
  padding: 8px 0; border-top: 1px solid var(--line);
}
.timeline li:first-child { border-top: 0; }
.timeline .time { font-weight: 600; font-size: 14px; color: var(--sea); padding-top: 1px; }
.timeline .title { font-weight: 600; }
.timeline .detail { display: block; color: var(--muted); font-size: 14px; margin-top: 2px; }
.timeline li.custom .title::after { content: " · added"; color: var(--muted); font-weight: 400; font-size: 12px; }
.timeline .remove { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 18px; line-height: 1; }
.note { width: 100%; min-height: 64px; resize: vertical; margin-top: 8px; }
.note-label { display: block; margin-top: 12px; font-size: 13px; color: var(--muted); }
.day-jump { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 8px; }
.day-jump a {
  flex: 0 0 auto; text-decoration: none; color: var(--ink);
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 6px 10px; font-size: 13px; box-shadow: var(--shadow);
}
.day-jump a b { display: block; font-size: 12px; color: var(--muted); }

/* Bookings */
.booking .conf {
  display: inline-block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 2px 8px; font-size: 14px; user-select: all;
}
.booking ul { margin: 8px 0 0; padding-left: 18px; }
.booking li { margin: 3px 0; }
.booking .links { margin-top: 8px; font-size: 14px; }
.party { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.party div { background: var(--bg); border-radius: 10px; padding: 8px 10px; font-size: 14px; }
.party b { display: block; }

/* Overview */
.next li { padding: 6px 0; border-top: 1px solid var(--line); }
.next li:first-child { border-top: 0; }
.next .when { color: var(--sea); font-weight: 600; font-size: 13px; margin-right: 6px; }

/* Footer */
.foot {
  position: fixed; left: 0; right: 0; bottom: 0;
  display: flex; justify-content: center; align-items: center; gap: 10px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: var(--card); border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted);
}
.foot .who input { width: 90px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 8px; background: transparent; }
.foot .err { color: var(--danger); }

@media (min-width: 720px) {
  .timeline li { grid-template-columns: 130px 1fr auto; }
}
@media (max-width: 420px) {
  .timeline li { grid-template-columns: 1fr auto; }
  .timeline .time { grid-column: 1 / -1; }
}