/* 版面：手機單欄，桌機最多 720px 置中。家人版大字與號誌燈，進階版是密集的資料卡。 */
:root {
  --paper: #f3f5f2;        /* 頁面底：帶一點綠灰的冷紙色 */
  --surface: #ffffff;
  --ink: #141815;
  --ink-2: #48514b;
  --muted: #6f7871;
  --line: #dce1dc;
  --accent: #1d5c78;       /* 分頁與重點：深藍綠墨色 */
  --accent-soft: #e1edf2;
  --housing: #232925;      /* 號誌燈殼 */
  --lamp-off: #3a423c;
  --good: #0ca30c;         /* 燈號狀態色固定，兩種主題相同 */
  --warn: #fab219;
  --bad: #d03b3b;
  --s1: #2a78d6;           /* 圖表：現貨 */
  --s2: #eb6834;           /* 圖表：期貨 */
  --s3: #1baf7a;           /* 圖表：本幣 */
  --band: rgba(20, 24, 21, 0.06);
  --font-body: "Noto Sans TC", system-ui, -apple-system, "Segoe UI", "Microsoft JhengHei", "PingFang TC", sans-serif;
  --font-display: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --font-data: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1210; --surface: #181c19; --ink: #edf1ed; --ink-2: #b8c1ba; --muted: #8b958d; --line: #2a312c;
    --accent: #7dbbd6; --accent-soft: #1b2c33; --housing: #070908; --lamp-off: #252b27;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --band: rgba(237, 241, 237, 0.07);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1210; --surface: #181c19; --ink: #edf1ed; --ink-2: #b8c1ba; --muted: #8b958d; --line: #2a312c;
  --accent: #7dbbd6; --accent-soft: #1b2c33; --housing: #070908; --lamp-off: #252b27;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --band: rgba(237, 241, 237, 0.07);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 0;
}
.wrap { max-width: 720px; margin: 0 auto; padding-block: 16px 40px; display: flex; flex-direction: column; gap: 20px; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* 頂列 */
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: 0.04em; color: var(--ink-2); }
.tabs { display: inline-flex; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 3px; gap: 2px; }
.tab { border: 0; background: transparent; color: var(--ink-2); padding: 6px 16px; border-radius: 999px; cursor: pointer; font-weight: 500; }
.tab[aria-selected="true"] { background: var(--accent); color: var(--surface); }

main, main > section { display: flex; flex-direction: column; gap: 20px; }

/* 家人版：號誌與一句白話 */
.hero { display: flex; gap: 20px; align-items: flex-start; }
.signal { flex: none; display: flex; flex-direction: column; gap: 10px; padding: 12px 10px; background: var(--housing); border-radius: 22px; }
.lamp { width: 34px; height: 34px; border-radius: 50%; background: var(--lamp-off); }
.lamp.on[data-lamp="red"] { background: var(--bad); box-shadow: 0 0 18px 2px var(--bad); }
.lamp.on[data-lamp="yellow"] { background: var(--warn); box-shadow: 0 0 18px 2px var(--warn); }
.lamp.on[data-lamp="green"] { background: var(--good); box-shadow: 0 0 18px 2px var(--good); }
.hero-text { min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.meta { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--ink-2); font-size: 15px; }
.chip { font-size: 13px; font-weight: 500; padding: 1px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.chip-quiet { background: transparent; border: 1px solid var(--line); color: var(--ink-2); }
.hero-label { margin: 0; font-family: var(--font-display); font-size: clamp(26px, 6.4vw, 36px); line-height: 1.3; text-wrap: balance; }
.hero-plain { margin: 0; font-size: clamp(18px, 4.6vw, 21px); line-height: 1.7; max-width: 34em; }
.disclaimer { margin: 0; display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--ink-2);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: 10px; }
.i { flex: none; width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid var(--ink-2); display: grid; place-items: center;
  font: italic 700 12px/1 var(--font-display); margin-top: 2px; }

.section-title { margin: 8px 0 -8px; font-size: 14px; font-weight: 500; color: var(--muted); letter-spacing: 0.08em; }

/* 三地卡片 */
.markets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 560px) { .markets { grid-template-columns: 1fr; } }
.market { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.market-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.market-name { font-size: 20px; font-weight: 700; }
.market-asof { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.market-row { display: grid; grid-template-columns: 3.2em 1fr; align-items: baseline; gap: 8px; }
.market-row dt { color: var(--muted); font-size: 15px; }
.market-row dd { margin: 0; font-size: 20px; font-weight: 700; display: flex; gap: 6px; align-items: baseline; }
.market-row dd.quiet { font-size: 16px; font-weight: 400; color: var(--ink-2); }
.arrow { font-size: 14px; color: var(--ink-2); width: 1em; text-align: center; }
.market-note { margin: 0; font-size: 13px; color: var(--muted); }
.market dl { margin: 0; display: flex; flex-direction: column; gap: 6px; }

/* 60 日色條 */
.strip-wrap { display: flex; flex-direction: column; gap: 8px; }
.strip { display: flex; gap: 2px; height: 34px; }
.cell { flex: 1 1 0; min-width: 0; border: 0; padding: 0; border-radius: 2px; cursor: pointer; background: var(--line); }
.cell[data-light="green"] { background: var(--good); }
.cell[data-light="yellow"] { background: var(--warn); }
.cell[data-light="red"] { background: repeating-linear-gradient(45deg, var(--bad) 0 3px, color-mix(in srgb, var(--bad) 70%, var(--ink)) 3px 5px); }
.cell.current { outline: 2px solid var(--ink); outline-offset: 1px; }
.cell.picked { transform: scaleY(1.15); }
.strip-caption { margin: 0; font-size: 15px; color: var(--ink-2); min-height: 1.6em; }
.legend { margin: 0; display: flex; flex-wrap: wrap; gap: 14px; font-size: 14px; color: var(--ink-2); }
.key { display: inline-flex; align-items: center; gap: 6px; }
.key i { width: 14px; height: 14px; border-radius: 2px; display: inline-block; }

/* 進階版 */
.adv-head { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 14px; color: var(--ink-2); }
.adv-head b { color: var(--ink); font-weight: 500; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 620px) { .grid2 { grid-template-columns: 1fr; } }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.panel h3 { margin: 0; font-size: 17px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.panel h3 .state { font-size: 15px; font-weight: 500; color: var(--accent); }
.note { margin: 0; font-size: 13px; color: var(--muted); }
.kv { margin: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; font-size: 14px; }
.kv dt { color: var(--ink-2); }
.kv dd { margin: 0; font-family: var(--font-data); font-variant-numeric: tabular-nums; text-align: right; }
.zbar { display: inline-block; width: 48px; height: 6px; margin-left: 8px; vertical-align: middle; background: var(--band); position: relative; border-radius: 3px; }
.zbar span { position: absolute; top: 0; bottom: 0; background: var(--ink-2); border-radius: 3px; }
.zbar::after { content: ""; position: absolute; left: 50%; top: -2px; bottom: -2px; width: 1px; background: var(--muted); }
.flags { display: flex; flex-wrap: wrap; gap: 6px; }
.flag { font-size: 13px; padding: 1px 8px; border-radius: 6px; border: 1px solid var(--line); color: var(--ink-2); }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; font-variant-numeric: tabular-nums; }
th:first-child, td:first-child { text-align: left; }
th { font-weight: 500; color: var(--muted); font-size: 13px; }
td.num { font-family: var(--font-data); }
.gauge { position: relative; height: 26px; border-radius: 4px; background: var(--band); }
.gauge .band { position: absolute; top: 0; bottom: 0; background: color-mix(in srgb, var(--accent) 22%, transparent); border-left: 1px solid var(--accent); border-right: 1px solid var(--accent); }
.gauge .mark { position: absolute; top: -4px; bottom: -4px; width: 3px; margin-left: -1.5px; background: var(--ink); border-radius: 2px; }
.gauge-scale { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); font-family: var(--font-data); }
.chart-title { font-size: 14px; font-weight: 500; color: var(--ink-2); margin-top: 6px; }
.chart { width: 100%; height: 220px; }
.tag { font-size: 12px; font-weight: 500; padding: 0 6px; border-radius: 4px; background: var(--accent-soft); color: var(--accent); }
.l4 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 620px) { .l4 { grid-template-columns: 1fr; } }
.l4 section { border-top: 1px solid var(--line); padding-top: 8px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.l4 h4 { margin: 0; font-size: 15px; display: flex; gap: 6px; align-items: center; }
.ok { color: var(--ink-2); }
.miss { font-weight: 700; color: var(--ink); }

.foot { font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 12px; }
.foot p { margin: 0; max-width: 60em; }

@media (prefers-reduced-motion: reduce) { .lamp { box-shadow: none !important; } .cell.picked { transform: none; } }