/* getaway-explorer — shared tokens & layout.
   Palette: cool green (points/deals) on a slightly green-biased neutral.
   Both themes are authored; the toggle stamps data-theme on <html>. */

:root {
  --bg: #F5F7F6; --panel: #FFFFFF; --ink: #1C2422; --ink2: #5A6662; --ink3: #93A09A;
  --line: #E2E8E5; --accent: #1F7A5F; --accent-soft: #E6F2ED;
  --d1: #124D3B; --d1-ink: #FFFFFF;
  --d2: #2F9573; --d2-ink: #FFFFFF;
  --d3: #7FCBB2; --d3-ink: #12281F;
  --d4: #D8EFE6; --d4-ink: #2C4A3E;
  --none-line: #C7D2CC;
  --warn: #9A6B14; --warn-bg: #F7EDD8;
  --bad: #B4372A; --bad-bg: #F9E8E5; --rain: #3E7CB8;
  --band1: #1F7A5F; --band2: #3E7CB8; --band3: #9A6B14;
  --tip-bg: #1C2422; --tip-ink: #F5F7F6; --tip-bad: #FF9B8A;
  --shadow: 0 4px 16px rgba(20, 40, 33, .12);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121917; --panel: #1A2320; --ink: #E8EEEB; --ink2: #9DABA4; --ink3: #64726B;
    --line: #2A3630; --accent: #6FD4AC; --accent-soft: #1D332C;
    --d1: #8FE7C0; --d1-ink: #0D241A;
    --d2: #4AA47D; --d2-ink: #06130D;
    --d3: #2F6650; --d3-ink: #D7EFE3;
    --d4: #1D332C; --d4-ink: #A9C4B7;
    --none-line: #3A4A42;
    --warn: #D8A94E; --warn-bg: #362B14;
    --bad: #F08D7C; --bad-bg: #3A211D; --rain: #7FB3E3;
    --band1: #6FD4AC; --band2: #7FB3E3; --band3: #D8A94E;
    --tip-bg: #E8EEEB; --tip-ink: #1C2422; --tip-bad: #B4372A;
    --shadow: 0 4px 16px rgba(0, 0, 0, .35);
  }
}
:root[data-theme="dark"] {
  --bg: #121917; --panel: #1A2320; --ink: #E8EEEB; --ink2: #9DABA4; --ink3: #64726B;
  --line: #2A3630; --accent: #6FD4AC; --accent-soft: #1D332C;
  --d1: #8FE7C0; --d1-ink: #0D241A;
  --d2: #4AA47D; --d2-ink: #06130D;
  --d3: #2F6650; --d3-ink: #D7EFE3;
  --d4: #1D332C; --d4-ink: #A9C4B7;
  --none-line: #3A4A42;
  --warn: #D8A94E; --warn-bg: #362B14;
  --bad: #F08D7C; --bad-bg: #3A211D; --rain: #7FB3E3;
  --band1: #6FD4AC; --band2: #7FB3E3; --band3: #D8A94E;
  --tip-bg: #E8EEEB; --tip-ink: #1C2422; --tip-bad: #B4372A;
  --shadow: 0 4px 16px rgba(0, 0, 0, .35);
}
:root[data-theme="light"] {
  --bg: #F5F7F6; --panel: #FFFFFF; --ink: #1C2422; --ink2: #5A6662; --ink3: #93A09A;
  --line: #E2E8E5; --accent: #1F7A5F; --accent-soft: #E6F2ED;
  --d1: #124D3B; --d1-ink: #FFFFFF;
  --d2: #2F9573; --d2-ink: #FFFFFF;
  --d3: #7FCBB2; --d3-ink: #12281F;
  --d4: #D8EFE6; --d4-ink: #2C4A3E;
  --none-line: #C7D2CC;
  --warn: #9A6B14; --warn-bg: #F7EDD8;
  --bad: #B4372A; --bad-bg: #F9E8E5; --rain: #3E7CB8;
  --band1: #1F7A5F; --band2: #3E7CB8; --band3: #9A6B14;
  --tip-bg: #1C2422; --tip-ink: #F5F7F6; --tip-bad: #FF9B8A;
  --shadow: 0 4px 16px rgba(20, 40, 33, .12);
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.55 "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.wrap { max-width: 1240px; margin: 0 auto; padding: 22px 20px 48px; }

/* --- site chrome --- */
.topbar {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding-bottom: 14px; margin-bottom: 20px; border-bottom: 1px solid var(--line);
}
.brand {
  font-family: "Songti SC", "Noto Serif SC", "SimSun", serif;
  font-size: 17px; letter-spacing: .06em; color: var(--ink); text-decoration: none; font-weight: 700;
}
.brand span { color: var(--accent); font-weight: 800; }
.navlinks { display: flex; gap: 14px; margin-left: auto; align-items: center; }
.navlinks a {
  font-size: 13px; color: var(--ink2); text-decoration: none; padding: 4px 8px; border-radius: 6px;
}
.navlinks a:hover { background: var(--accent-soft); color: var(--accent); }
.navlinks a[aria-current="page"] { color: var(--accent); font-weight: 700; background: var(--accent-soft); }
.themebtn {
  border: 1px solid var(--line); background: var(--panel); color: var(--ink2);
  border-radius: 6px; padding: 4px 9px; font-size: 12px; cursor: pointer; font-family: inherit;
}
.themebtn:hover { border-color: var(--accent); color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

header.page h1 {
  font-family: "Songti SC", "Noto Serif SC", "SimSun", serif;
  font-size: 30px; margin: 0 0 4px; letter-spacing: .04em; text-wrap: balance;
}
header.page .sub { color: var(--ink2); font-size: 13px; margin: 0; }
header.page .sub b { color: var(--ink); font-weight: 600; }

/* --- legend --- */
.legend {
  display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center;
  margin: 18px 0 14px; font-size: 12px; color: var(--ink2);
}
.legend .grp { display: flex; align-items: center; gap: 6px; }
.lg-chip { display: inline-block; width: 26px; height: 14px; border-radius: 4px; }
.lg-none { width: 26px; height: 14px; border-radius: 4px; border: 1.5px dashed var(--none-line); }
.lg-band { display: inline-block; width: 20px; height: 4px; border-radius: 2px; }

/* --- calendar --- */
.cal-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
table.cal { border-collapse: collapse; width: 100%; }
table.cal.wide { min-width: 1420px; }
table.cal.narrow { min-width: 1060px; }
.cal th {
  font-size: 12px; font-weight: 600; color: var(--ink2); letter-spacing: .18em;
  padding: 10px 0 8px; border-bottom: 1px solid var(--line);
}
.cal td {
  vertical-align: top; width: 14.28%; padding: 0;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cal td:last-child { border-right: none; }
.cal tr:last-child td { border-bottom: none; }
.cell { padding: 7px 8px 9px; min-height: 132px; position: relative; }
.cell .dnum { font-size: 13px; font-weight: 700; margin-bottom: 5px; display: flex; align-items: center; gap: 6px; }
.cell.dim .dnum, .cell.dim .noscan { color: var(--ink3); }
.cell.today .dnum::after {
  content: "今天"; font-size: 9px; font-weight: 700; color: var(--accent);
  background: var(--accent-soft); border-radius: 6px; padding: 0 5px;
}
.noscan { font-size: 11px; }
.band { position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.band.b1 { background: var(--band1); } .band.b2 { background: var(--band2); } .band.b3 { background: var(--band3); }
.badge { font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 8px; color: var(--bg); }
.badge.b1 { background: var(--band1); } .badge.b2 { background: var(--band2); } .badge.b3 { background: var(--band3); }

.rows { display: grid; gap: 2.5px; }
.crow { display: grid; gap: 5px; align-items: center; }
table.cal.wide .crow { grid-template-columns: 30px 50px 42px 1fr; }
table.cal.narrow .crow { grid-template-columns: 30px 58px 1fr; }
.crow .city { font-size: 11px; color: var(--ink2); }
/* Red city = that day's cheapest regular rate is under the $30 qualifying
   floor, so only the bonus package makes the night count. */
.crow .city.under { color: var(--bad); font-weight: 700; }
.chip {
  font-size: 11.5px; font-weight: 600; border-radius: 4px; padding: 1px 4px;
  cursor: default; white-space: nowrap; text-align: center;
}
.chip.d1 { background: var(--d1); color: var(--d1-ink); }
.chip.d2 { background: var(--d2); color: var(--d2-ink); }
.chip.d3 { background: var(--d3); color: var(--d3-ink); }
.chip.d4 { background: var(--d4); color: var(--d4-ink); }
.chip.none { border: 1.5px dashed var(--none-line); color: var(--ink3); font-weight: 400; }
.chip:hover, .chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.pts { font-size: 10.5px; color: var(--ink3); white-space: nowrap; }
.pts .star { color: var(--warn); font-weight: 700; }
.wx { font-size: 10px; color: var(--ink3); white-space: nowrap; }
.wx .rain.wet { color: var(--rain); font-weight: 700; }
.flag { font-size: 10px; font-weight: 700; border-radius: 4px; padding: 0 4px; }
.flag.bad { color: var(--bad); background: var(--bad-bg); }
.flag.warn { color: var(--warn); background: var(--warn-bg); }

/* --- cards & notes --- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; margin-top: 22px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; border-top: 3px solid var(--accent); position: relative;
}
.card.p1 { border-top-color: var(--band1); }
.card.p2 { border-top-color: var(--band2); }
.card.p3 { border-top-color: var(--band3); }
.card h3 { margin: 2px 0; font-size: 15px; }
.card .meta { font-size: 12px; color: var(--ink2); margin-bottom: 8px; }
.card .nums { display: flex; gap: 18px; margin-bottom: 8px; flex-wrap: wrap; }
.card .nums .n { font-size: 19px; font-weight: 700; }
.card .nums .l { font-size: 11px; color: var(--ink2); }
.card p { margin: 0; font-size: 12.5px; color: var(--ink2); }
.notes { margin-top: 20px; font-size: 12px; color: var(--ink2); padding-left: 18px; }
.notes li { margin-bottom: 4px; }

/* --- tooltip --- */
#tip {
  position: fixed; z-index: 20; display: none; max-width: 280px;
  background: var(--tip-bg); color: var(--tip-ink); border-radius: 8px;
  padding: 8px 11px; font-size: 12px; line-height: 1.5; pointer-events: none;
  box-shadow: var(--shadow);
}
#tip b { font-size: 12.5px; }
#tip .trow { display: flex; justify-content: space-between; gap: 14px; }
#tip .tsub { opacity: .75; }
#tip .bad { color: var(--tip-bad); font-weight: 700; }

/* --- landing --- */
.hero { padding: 26px 0 6px; }
.hero h1 {
  font-family: "Songti SC", "Noto Serif SC", "SimSun", serif;
  font-size: clamp(30px, 5vw, 44px); margin: 0 0 10px; letter-spacing: .03em; text-wrap: balance;
}
.hero p { font-size: 15px; color: var(--ink2); margin: 0; max-width: 60ch; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 26px 0 6px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 13px 15px; }
.kpi .n { font-size: 24px; font-weight: 700; letter-spacing: -.01em; }
.kpi .n small { font-size: 13px; font-weight: 600; color: var(--ink2); }
.kpi .l { font-size: 11.5px; color: var(--ink2); margin-top: 2px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-top: 12px; }
.tile {
  display: block; text-decoration: none; color: inherit; background: var(--panel);
  border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px;
  transition: border-color .15s, transform .15s;
}
.tile:hover { border-color: var(--accent); transform: translateY(-2px); }
.tile h2 { margin: 0 0 6px; font-size: 18px; }
.tile .eyebrow {
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); font-weight: 700;
}
.tile p { margin: 0 0 10px; font-size: 13px; color: var(--ink2); }
.tile .go { font-size: 12.5px; color: var(--accent); font-weight: 600; }
.sec { margin-top: 34px; }
.sec h2 { font-size: 17px; margin: 0 0 4px; }
.sec > p { color: var(--ink2); font-size: 13px; margin: 0 0 14px; }
.rulebox {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px;
}
.rulebox dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 14px 0; font-size: 13px; }
.rulebox dt { color: var(--ink2); }
.rulebox dd { margin: 0; }
.rulebox dd b { color: var(--accent); }
code {
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--accent-soft); border-radius: 4px; padding: 1px 5px; color: var(--ink);
}
pre {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 13px 15px; overflow-x: auto; margin: 0;
}
pre code { background: none; padding: 0; }
footer.site {
  margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--ink3); display: flex; gap: 14px; flex-wrap: wrap;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}
@media (max-width: 640px) {
  .wrap { padding: 16px 14px 36px; }
  header.page h1 { font-size: 24px; }
}
