:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --ink: #1d2a3a;
  --muted: #65748a;
  --line: #e2e7ee;
  --brand: #1f5f8b;
  --brand-ink: #ffffff;
  --chip: #edf1f6;
  --warn-bg: #8f1d12;
  --warn-ink: #ffffff;
  --info-bg: #fff3dc;
  --info-ink: #6b4500;
  --ok-bg: #e3f3e9;
  --ok-ink: #145c33;
  --code: #f1f4f8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161d; --card: #1a212b; --ink: #e4e9f0; --muted: #98a5b8; --line: #2b3542;
    --brand: #6fb0e0; --brand-ink: #0d1520; --chip: #24303d; --warn-bg: #d0483a; --warn-ink: #ffffff;
    --info-bg: #3a2f17; --info-ink: #f3d79c; --ok-bg: #173a27; --ok-ink: #a5e3bd; --code: #222b36;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink); line-height: 1.5;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; }
code { background: var(--code); padding: 1px 4px; border-radius: 4px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top));
  background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5;
}
.topbar .brand { font-weight: 700; font-size: 17px; color: var(--ink); }
.topbar nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 15px; }
.topbar .add { background: var(--brand); color: var(--brand-ink); padding: 5px 11px; border-radius: 8px; }
.topbar .add:hover { text-decoration: none; opacity: .92; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.offline-banner { background: var(--info-bg); color: var(--info-ink); text-align: center; font-size: 13px; padding: 6px 12px; }

.wrap { max-width: 760px; margin: 0 auto; padding: 16px 16px 72px; }
h1 { font-size: 23px; margin: 6px 0 4px; line-height: 1.25; }
h2.section { font-size: 13px; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); margin: 28px 0 10px; scroll-margin-top: 64px; }
h2.section-in { font-size: 16px; margin: 0 0 8px; }
h3.group { font-size: 14px; margin: 16px 0 8px; color: var(--muted); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px;
  margin-bottom: 10px; overflow-wrap: anywhere; scroll-margin-top: 64px; }
.card.empty { color: var(--muted); }
a.card { display: block; color: inherit; }
a.card:hover { text-decoration: none; border-color: var(--brand); }
.meta { color: var(--muted); font-size: 14px; }
.label { font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); font-weight: 600; margin-right: 4px; }

.badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.badge { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--chip); color: var(--muted); white-space: nowrap; }
.badge.now { background: var(--brand); color: var(--brand-ink); font-weight: 600; }
.badge.checkb { background: var(--info-bg); color: var(--info-ink); font-weight: 700; }
.badge.slot-booked { background: var(--ok-bg); color: var(--ok-ink); font-weight: 600; }
.badge.slot-needed { background: var(--info-bg); color: var(--info-ink); font-weight: 600; }
.badge.slot-not_needed { text-decoration: line-through; }
.chip { display: inline-block; background: var(--chip); color: var(--brand); font-size: 12px; padding: 1px 8px; border-radius: 999px; margin-left: 4px; }

/* dashboard */
.trip-card .tc-head { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.trip-card .tc-head .badges { margin-top: 0; justify-content: flex-end; }
.tc-name { font-weight: 650; font-size: 17px; }
.progress { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 8px; font-size: 14px; }
.stage.done { font-weight: 600; }
.next { margin-top: 6px; font-size: 14px; }
.tickler { margin-top: 4px; }
.archive summary { cursor: pointer; color: var(--muted); margin: 20px 0 10px; }
.trip-card.slim { padding: 10px 14px; }

.attention { margin: 8px 0 4px; }
.att { display: flex; gap: 10px; align-items: baseline; padding: 8px 12px; border-radius: 10px;
  margin-bottom: 6px; background: var(--card); border: 1px solid var(--line); color: var(--ink); font-size: 14px; }
a.att:hover { text-decoration: none; border-color: var(--brand); }
.att-tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; padding: 1px 7px; border-radius: 6px; white-space: nowrap; }
.att.warn .att-tag { background: var(--warn-bg); color: var(--warn-ink); }
.att.info .att-tag { background: var(--info-bg); color: var(--info-ink); }

/* trip page */
.trip-head { margin-bottom: 10px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 12px 0; }
.jump { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; margin: 14px 0 0; padding: 8px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.summary { font-size: 15px; margin-top: 14px; }
.kickoff summary { cursor: pointer; font-weight: 600; }
.kickoff pre { background: var(--code); padding: 12px; border-radius: 8px; white-space: pre-wrap; max-height: 360px; overflow: auto; }

.day h3 { margin: 0 0 8px; font-size: 16px; }
.day-title { font-weight: 500; color: var(--muted); }
.items { list-style: none; margin: 0; padding: 0; }
.items li { display: grid; grid-template-columns: 92px 1fr; gap: 10px; padding: 6px 0; border-top: 1px solid var(--line); }
.items li:first-child { border-top: 0; }
.items li, .booking { scroll-margin-top: 70px; }
/* "You jumped here": a brief blue flash that fades, so it's never mistaken for a CHECK. */
.items li:target, .booking:target { animation: th-flash 2.5s ease-out 1; border-radius: 8px; }
@keyframes th-flash {
  from { background: color-mix(in srgb, var(--brand) 22%, transparent); }
  to { background: transparent; }
}
.clear-link { margin-left: 6px; font-weight: 600; white-space: nowrap; }
.items .t { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; padding-top: 1px; }
.items .who { color: var(--muted); }
.item-notes { display: block; color: var(--muted); font-size: 13px; }
.check { display: block; margin-top: 2px; font-size: 13px; }
.day-ideas { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
@media (max-width: 420px) {
  .items li { grid-template-columns: 1fr; gap: 0; }
}

.bk-head { display: flex; justify-content: space-between; gap: 4px 10px; align-items: baseline; flex-wrap: wrap; }
.bk-title { font-weight: 650; flex: 1 1 12em; min-width: 0; }
.conf-label { font-family: -apple-system, BlinkMacSystemFont, sans-serif; font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; user-select: none; }
.conf { font-family: ui-monospace, Menlo, monospace; font-size: 14px; font-weight: 600; background: var(--code); padding: 1px 8px; border-radius: 6px; white-space: normal; overflow-wrap: anywhere; max-width: 100%; user-select: all; }
.details { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; margin: 8px 0; font-size: 13px; }
.details dt { color: var(--muted); }
.details dd { margin: 0; }
.deadlines { margin: 6px 0; padding-left: 0; list-style: none; }
.bk-links { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 8px; }

.plan .next { margin: 0 0 10px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.stage-block h3 { font-size: 15px; margin: 10px 0 6px; }
.slot { display: flex; gap: 10px; align-items: flex-start; padding: 5px 0; }
.slot-what { flex: 1; font-size: 14px; padding-top: 2px; }
.slot-form select { font-size: 13px; padding: 3px 6px; width: 108px; font-weight: 600; }
.slot-form select.slot-booked { background: var(--ok-bg); color: var(--ok-ink); }
.slot-form select.slot-needed { background: var(--info-bg); color: var(--info-ink); }
.idea-row { padding: 6px 0; border-top: 1px solid var(--line); scroll-margin-top: 64px; }
.idea-row:first-child { border-top: 0; }
.share-url { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.share-url code { flex: 1; overflow-wrap: anywhere; }
.share.revoked { opacity: .6; }
.version .changes { margin: 6px 0; padding-left: 18px; }
.footer { margin-top: 30px; text-align: center; }

/* markdown */
.md > :first-child { margin-top: 0; }
.md > :last-child { margin-bottom: 0; }
.md p { margin: 6px 0; }
.md ul, .md ol { margin: 6px 0; padding-left: 22px; }
.md table { border-collapse: collapse; font-size: 13px; margin: 8px 0; }
.md th, .md td { border: 1px solid var(--line); padding: 4px 8px; text-align: left; vertical-align: top; }

/* forms */
.stack { display: flex; flex-direction: column; gap: 6px; }
.stack label { font-size: 14px; font-weight: 600; margin-top: 6px; }
input, textarea, select { font: inherit; font-size: 16px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); width: 100%; }
input[type=radio], input[type=checkbox] { width: auto; }
fieldset { border: 0; padding: 0; margin: 8px 0 0; }
legend { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
label.opt { font-weight: 400; margin-right: 16px; display: inline-flex; gap: 6px; align-items: center; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
button, .btn { font: inherit; font-size: 14px; padding: 7px 13px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; display: inline-block; }
.btn:hover { text-decoration: none; border-color: var(--brand); }
button.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
button.danger { color: var(--warn-bg); }
form.inline { display: inline; }
.notice { padding: 10px 14px; border-radius: 10px; margin: 10px 0; font-size: 14px; }
.notice.error { background: var(--warn-bg); color: var(--warn-ink); }
.notice.ok { background: var(--ok-bg); color: var(--ok-ink); }
.login-wrap { max-width: 360px; margin: 40px auto; }

@media print {
  .no-print, .topbar, .offline-banner, .jump, .footer { display: none !important; }
  body { background: #fff; color: #000; }
  .wrap { max-width: none; padding: 0; }
  .card { break-inside: avoid; border-color: #ccc; }
  a { color: #000; }
  details.card { display: none; }
}