/* 高雄房產開價 — mobile-first, light palette */
:root {
  --bg: #fcfaf2;
  --card: #fff;
  --ink: #2b2f30;
  --muted: #6b7275;
  --line: #e4e1d6;
  --accent: #2f4f5f;
  --down: #1f7a4d; /* cheaper (good for buyer) */
  --up: #c0392b;
  --white: #d9dfe2;
  --grey: #9aa3a7;
  --black: #2b2f30;
  --spark: #4f6c76;
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
* { box-sizing: border-box; }
body { margin: 0; padding-bottom: env(safe-area-inset-bottom); }
body.noscroll { overflow: hidden; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.error { color: var(--up); }
.pad { padding: 16px; }
[hidden] { display: none !important; }
code { font: 12px ui-monospace, Menlo, monospace; background: #eeede6; padding: 1px 4px; border-radius: 3px; }

/* login */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-box { width: 100%; max-width: 320px; display: grid; gap: 12px; background: var(--card); padding: 24px; border-radius: 12px; border: 1px solid var(--line); }
.login-box h1 { margin: 0; font-size: 20px; }
.login-box p { margin: 0; }
.login-box input { padding: 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 16px; }
.login-error { color: var(--up); min-height: 1.4em; }
.primary { background: var(--accent); color: #fff; border: 0; padding: 12px; border-radius: 8px; font-weight: 600; }
.primary:disabled { opacity: .6; }
.ghost { background: none; border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; }

/* header */
.top { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 12px 6px; padding-top: max(8px, env(safe-area-inset-top)); }
.top-row { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.top h1 { font-size: 17px; margin: 0; }
.meta { font-size: 12px; flex: 1; }
.tabs { display: flex; gap: 4px; margin: 8px -12px 6px; padding: 0 12px; overflow-x: auto; scrollbar-width: none; }
.tabs button { flex: none; border: 0; background: none; padding: 6px 10px; border-radius: 999px; color: var(--muted); white-space: nowrap; }
.tabs button[aria-selected="true"] { background: var(--accent); color: #fff; font-weight: 600; }
.filters { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
.chips { display: flex; gap: 4px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 3px 10px; font-size: 13px; color: var(--muted); }
.chip.on { border-color: var(--accent); color: var(--accent); font-weight: 600; background: #e9eff1; }
#f-list .chip[data-list="black"].on { background: var(--black); color: #fff; border-color: var(--black); }
.dates { display: flex; gap: 6px; align-items: center; font-size: 13px; }
.dates select, .dates input { border: 1px solid var(--line); border-radius: 6px; padding: 3px 6px; background: var(--card); font-size: 13px; }

/* overview */
main { max-width: 900px; margin: 0 auto; }
.area { padding: 8px 12px 4px; }
.area h2 { font-size: 18px; margin: 12px 0 4px; }
.area h2 .notion { font-size: 12px; font-weight: normal; margin-left: 6px; }
.list-sec { margin: 8px 0 14px; padding-left: 8px; border-left: 4px solid var(--white); }
.list-sec.grey { border-left-color: var(--grey); }
.list-sec.black { border-left-color: var(--black); }
.list-sec h3 { font-size: 15px; margin: 4px 0 6px; }
.list-sec h3 .muted { font-size: 12px; font-weight: normal; }
.dev { margin-bottom: 10px; }
.dev-hd { display: flex; gap: 8px; align-items: baseline; font-size: 14px; margin: 6px 0 4px; }
.dev-hd .muted { font-size: 12px; }

.unit { display: flex; gap: 10px; justify-content: space-between; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; margin-bottom: 6px; cursor: pointer; }
.unit:focus-visible, .feed li:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.unit.delisted { opacity: .72; background: #f4f3ee; }
.u-main { min-width: 0; flex: 1; }
.u-name { font-weight: 600; }
.lbl { display: inline-block; min-width: 1.5em; text-align: center; background: var(--accent); color: #fff; border-radius: 4px; padding: 0 4px; font-size: 12px; margin-right: 2px; }
.u-specs, .u-dates { font-size: 12px; }
.u-links { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.lk { font-size: 12px; border: 1px solid var(--line); border-radius: 4px; padding: 0 5px; text-decoration: none; white-space: nowrap; }
.lk.off { color: var(--muted); text-decoration: line-through; }
.u-price { text-align: right; flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 1px; }
.cur { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.cur small { font-size: 12px; font-weight: normal; color: var(--muted); }
.chg { font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }
.chg small { font-weight: normal; }
.chg.down { color: var(--down); }
.chg.up { color: var(--up); }
.chg.flat { color: var(--muted); }
.first { font-size: 12px; }
.badge { display: inline-block; font-size: 11px; border-radius: 4px; padding: 0 5px; vertical-align: 1px; font-weight: 600; }
.badge.gone { background: var(--up); color: #fff; }
.badge.white { background: var(--white); }
.badge.grey { background: var(--grey); color: #fff; }
.badge.black { background: var(--black); color: #fff; }

/* sparkline: one neutral series; direction is told by ▲/▼ text, not colour alone */
.spark { display: block; margin-top: 2px; overflow: visible; }
.spark polyline { stroke: var(--spark); }
.spark circle { fill: var(--spark); stroke: var(--card); stroke-width: 1.5; }
.spark.down circle { fill: var(--down); }
.spark.up circle { fill: var(--up); }

/* feeds */
.feed { list-style: none; margin: 0; padding: 8px 12px; }
.feed li { display: grid; grid-template-columns: 3.2em 1fr auto; gap: 2px 8px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; margin-bottom: 6px; cursor: pointer; align-items: baseline; }
.f-date { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.f-what { min-width: 0; }
.f-price { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.f-link { grid-column: 2 / 4; }

/* detail sheet */
.backdrop { position: fixed; inset: 0; background: rgba(20, 25, 28, .45); z-index: 20; display: flex; align-items: flex-end; justify-content: center; }
.sheet { background: var(--bg); width: 100%; max-width: 720px; max-height: 92vh; border-radius: 14px 14px 0 0; display: flex; flex-direction: column; }
.sheet-hd { display: flex; align-items: center; gap: 8px; padding: 12px 14px 8px; border-bottom: 1px solid var(--line); }
.sheet-hd h2 { font-size: 17px; margin: 0; flex: 1; }
.sheet-body { overflow-y: auto; padding: 10px 14px calc(24px + env(safe-area-inset-bottom)); }
.sheet-body h3 { font-size: 15px; margin: 16px 0 6px; }
.d-price { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 6px; }
.d-price .cur { font-size: 24px; }
.kv { display: grid; grid-template-columns: 5em 1fr; gap: 3px 10px; margin: 10px 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.notes { white-space: pre-wrap; margin: 0; font-size: 14px; }
.prices { width: 100%; border-collapse: collapse; font-size: 13px; }
.prices th, .prices td { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--line); }
.prices .num { text-align: right; font-variant-numeric: tabular-nums; }
.timeline { list-style: none; padding: 0; margin: 0; font-size: 13px; }
.timeline li { padding: 4px 0; border-bottom: 1px dashed var(--line); }

@media (min-width: 720px) {
  .backdrop { align-items: center; }
  .sheet { border-radius: 14px; }
  .feed li { grid-template-columns: 5em 1fr auto auto; }
  .f-link { grid-column: auto; }
}