/* 健保藥價歷史查詢 — pharmacy-tool-style house tokens（資料查詢／儀表板型）
   對比（2026-09-12 實算，WCAG AA 正文 4.5:1）：
   - --text-muted #6B7280 只用在白卡內（4.83:1）；米色裸底一律 --text-primary
   - 淡色底上的語意文字：info 用 --accent-hover（on #EFF4F6 5.41:1）、warn 用 --warn-text
     （on #FFF3E0 6.20:1）。house style 原寫法 accent 4.36:1、--warning 2.60:1 皆不過 AA
   - 米色裸底上的連結用 --accent-hover（5.29:1；--accent 僅 4.26:1） */
:root {
  --bg-primary:    #F5F0E8;
  --bg-card:       #FFFFFF;
  --accent:        #3D7A8A;
  --accent-hover:  #2E6B7A;
  --accent-light:  rgba(61,122,138,0.08);
  --text-primary:  #2C2C2C;
  --text-muted:    #6B7280;
  --border:        #E0D9CE;
  --danger:        #C0392B;
  --success:       #27AE60;
  --warning:       #E67E22;
  --warn-text:     #8A4B08;
  --radius:        8px;
  --mono:          'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;

  /* 圖表（預設 warm；色盲友善模式見 .cb-safe） */
  --c-line:        #3D7A8A;
  --c-upcoming:    #3D7A8A;
  --c-term:        #C0392B;
  --c-susp:        #6B7280;
  --c-unknown:     #8A4B08;
  --c-gap:         #B8AE9C;

  /* 比較序位 1–4：Okabe-Ito 色盲安全色票，四色在三種色盲模擬下皆可區分 */
  --s1: #0072B2;
  --s2: #D55E00;
  --s3: #009E73;
  --s4: #CC79A7;
}
.cb-safe {
  --c-line:        #0072B2;
  --c-upcoming:    #0072B2;
  --c-term:        #D55E00;
  --c-susp:        #555B66;
  --c-unknown:     #E69F00;
}

* { box-sizing: border-box; }
/* display 規則會蓋掉 hidden 屬性的預設 display:none（#upcomingControls 為 flex） */
[hidden] { display: none !important; }
body {
  margin: 0; background: var(--bg-primary);
  font-family: 'Noto Sans TC', 'Microsoft JhengHei', 'PingFang TC', sans-serif;
  color: var(--text-primary); line-height: 1.6; font-size: 0.95rem;
}
.mono, .val, .num { font-family: var(--mono); }
a { color: var(--accent-hover); }
a:focus-visible, button:focus-visible, input:focus-visible, .result:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
.site-header h1 { font-size: 1.5rem; margin: 0; color: var(--accent-hover); }
.site-header .sub { margin: 0.25rem 0 0; font-size: 0.85rem; }

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 1.25rem 1.5rem;
  margin-top: 1.25rem; box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.card h2 { font-size: 1.05rem; margin: 0 0 0.25rem; display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; }
.card .hint { font-size: 0.78rem; color: var(--text-muted); margin: 0 0 1rem; }
.ref-date { font-size: 0.78rem; font-weight: 400; color: var(--text-muted); }

/* ── 警示 ── */
.warnings { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.warnings:empty { display: none; }
.alert       { border: 1px solid; border-radius: 6px; padding: 0.6rem 0.8rem; font-size: 0.85rem; }
.alert--info { background: #EFF4F6; border-color: var(--accent);  color: var(--accent-hover); }
.alert--warn { background: #FFF3E0; border-color: #FFCC80;        color: var(--warn-text); }
.alert--error{ background: #FDF3F2; border-color: #EF9A9A;        color: var(--danger); }
.alert--warn::before  { content: "⚠ "; }
.alert--error::before { content: "⚠ "; }
.alert--info::before  { content: "– "; }
.alert button { margin-left: 0.5rem; }

button {
  font: inherit; font-size: 0.82rem; cursor: pointer;
  border: 1px solid var(--accent); background: var(--bg-card); color: var(--accent-hover);
  border-radius: 6px; padding: 0.25rem 0.7rem;
}
button:hover { background: var(--accent-light); }

/* ── 搜尋 ── */
.search-input {
  width: 100%; font: inherit; font-size: 1rem; padding: 0.6rem 0.75rem;
  border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text-primary);
}
.search-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.search-input:disabled { background: #FAF8F4; }
.search-opt { display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 0.6rem; font-size: 0.85rem; cursor: pointer; }
.search-opt input { width: 1rem; height: 1rem; accent-color: var(--accent); }
.search-status { font-size: 0.82rem; margin: 0.4rem 0 0; min-height: 1.2em; }
.results-list { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.5rem; }
.result {
  display: block; text-decoration: none; color: inherit;
  border: 1px solid var(--border); border-radius: 6px; padding: 0.6rem 0.75rem;
}
.result:hover { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }   /* 不換底色：muted 字在淡底上 < 4.5:1 */
.r-top { display: flex; flex-wrap: wrap; gap: 0.25rem 0.75rem; align-items: baseline; justify-content: space-between; }
.r-name { font-weight: 700; font-size: 0.95rem; }
.r-code { font-size: 0.82rem; color: var(--text-muted); }
.r-en, .r-sub, .r-meta { font-size: 0.8rem; color: var(--text-muted); overflow-wrap: anywhere; }
.r-price { margin-top: 0.3rem; font-size: 0.9rem; display: flex; flex-wrap: wrap; gap: 0.25rem 0.6rem; align-items: baseline; }
.r-price .val { font-weight: 700; font-size: 1rem; }

/* ── 標籤（語意色一律帶符號前綴） ── */
.tag {
  display: inline-block; font-size: 0.72rem; line-height: 1.4; padding: 0.05rem 0.4rem;
  border-radius: 4px; border: 1px solid var(--border); color: var(--text-primary); background: #FAF8F4;
  white-space: nowrap;
}
.tag.warn  { border-color: #FFCC80; background: #FFF3E0; color: var(--warn-text); }
.tag.warn::before  { content: "⚠ "; }
.tag.stop  { border-color: #EF9A9A; background: #FDF3F2; color: var(--danger); }
.tag.stop::before  { content: "■ "; }
.tag.info  { border-color: var(--accent); background: #EFF4F6; color: var(--accent-hover); }
.tag.info::before  { content: "– "; }
.tag.now   { border-color: var(--accent); background: var(--accent); color: #fff; }
.tag.now::before   { content: "✓ "; }

/* ── 詳細頁 ── */
.back { margin: 1rem 0 0; font-size: 0.9rem; }
.detail-head .code { font-size: 0.85rem; color: var(--text-muted); }
.detail-head h2 { font-size: 1.3rem; margin: 0.1rem 0; }
.detail-head .en { font-size: 0.9rem; color: var(--text-muted); overflow-wrap: anywhere; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.2rem 0.8rem; margin: 0.8rem 0 0; font-size: 0.85rem; }
.facts dt { color: var(--text-muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.links { margin-top: 0.8rem; display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; font-size: 0.85rem; }

.results { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 0.6rem; margin-top: 0.75rem; }
.metric  { border: 1px solid var(--border); border-radius: 6px; padding: 0.6rem 0.7rem; }
.metric .name { font-size: 0.72rem; color: var(--text-muted); }
.metric .val  { font-size: 1.15rem; font-weight: 700; overflow-wrap: anywhere; }
.metric .val.text { font-family: inherit; font-size: 0.92rem; }
.metric .ci   { font-size: 0.7rem; color: var(--text-muted); font-family: var(--mono); }
.metric.key   { border-color: var(--accent); background: var(--accent-light); grid-column: span 2; }
/* 淡色底上 muted 只有 ~4.4:1，key 卡內的次要文字改用 --text-primary */
.metric.key .name, .metric.key .interp.muted, .metric.key .ci { color: var(--text-primary); }
.metric .interp { font-size: 0.75rem; margin-top: 0.25rem; }
.metric .interp.good  { color: var(--accent-hover); }
.metric .interp.muted { color: var(--text-muted); }
.metric .interp.warn  { color: var(--danger); }
.metric .interp.good::before  { content: "✓ "; }
.metric .interp.muted::before { content: "– "; }
.metric .interp.warn::before  { content: "⚠ "; }
.candidates { font-size: 0.8rem; margin: 0.3rem 0 0; padding-left: 1.1rem; }

/* 圖表 */
.chart-wrap { width: 100%; overflow-x: auto; }
.chart { width: 100%; max-width: 100%; height: auto; display: block; }
.chart text { font-family: var(--mono); font-size: 11px; fill: var(--text-muted); }
.chart .axis line, .chart .axis path { stroke: #CFC6B8; }
.chart .grid line { stroke: #EEE8DD; }
.chart .price { stroke: var(--c-line); stroke-width: 2.5; fill: none; }
.chart .price.upcoming { stroke: var(--c-upcoming); stroke-dasharray: 6 4; opacity: 0.75; }
.chart .hit { stroke: transparent; stroke-width: 14; fill: none; }
.chart .band-term { fill: url(#hatchTerm); }
.chart .band-susp { fill: url(#dotsSusp); }
.chart .band-unknown { fill: url(#crossUnknown); }
.chart .band-zero { fill: url(#lineZero); }
.chart .band-gap { fill: #F3EFE8; }
.chart .band-upcoming { opacity: 0.55; stroke: var(--text-primary); stroke-width: 1; stroke-dasharray: 5 4; }   /* 預告：淡色＋虛線框 */
.chart .today line { stroke: var(--text-primary); stroke-dasharray: 2 3; }
.chart .marker { stroke: #fff; stroke-width: 1; }
.chart .marker.increase { fill: var(--c-term); }
.chart .marker.decrease { fill: var(--c-line); }
.chart .marker.relisted { fill: var(--c-unknown); }
.chart .marker.upcoming { opacity: 0.7; }
.legend { display: flex; flex-wrap: wrap; gap: 0.3rem 1rem; margin-top: 0.5rem; font-size: 0.78rem; color: var(--text-muted); }
.legend svg { vertical-align: middle; margin-right: 0.25rem; }
.chart-opts { margin-top: 0.5rem; font-size: 0.8rem; }
.axis-note { font-size: 0.75rem; color: var(--text-muted); margin: 0.25rem 0 0; }

/* 歷史表 */
.table-tools { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; margin-top: 0.6rem; }
table.history { border-collapse: collapse; width: 100%; font-size: 0.82rem; }
table.history th, table.history td { border: 1px solid var(--border); padding: 0.35rem 0.5rem; vertical-align: top; }
table.history th { background: #EFF4F6; color: var(--accent-hover); font-weight: 500; text-align: left; white-space: nowrap; }
table.history td.num { text-align: right; white-space: nowrap; }
table.history td.num.label { white-space: normal; text-align: left; min-width: 7.5em; }   /* 狀態標籤可換行，價格欄不被撐寬 */
table.history td.date { white-space: nowrap; font-family: var(--mono); }
table.history tr.is-upcoming td { background: #FBFAF6; }
table.history tr.is-current td { background: var(--accent-light); }
table.history tr.is-invalid td { background: #FDF3F2; }
table.history .cell-state { display: flex; flex-wrap: wrap; gap: 0.2rem; }

.source-card .facts { margin-top: 0.5rem; }
.disclaimer { font-size: 0.78rem; text-align: center; margin: 1.5rem auto 0; max-width: 46rem; color: var(--text-primary); }

.loading { font-size: 0.85rem; color: var(--text-muted); }

/* 預告中心（spec-upcoming.md §5.2）
   徽章：白字 on --accent-hover ＝ 6.00:1（2026-09-16 實算），過 AA */
.site-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-header-main { flex: 1 1 18rem; }
.upcoming-badge {
  flex: 0 0 auto; display: inline-block; margin-top: 0.2rem;
  background: var(--accent-hover); color: #fff; text-decoration: none;
  border-radius: 999px; padding: 0.3rem 0.9rem; font-size: 0.85rem; font-weight: 500;
  white-space: nowrap;
}
.upcoming-badge:hover { background: var(--accent); }
.upcoming-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap; }
.upcoming-head .hint { margin: 0; }
#upcomingBanner:not(:empty) { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 0.8rem; }
.upcoming-list { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.5rem; }
.upcoming-row {
  border: 1px solid var(--border); border-radius: 6px; padding: 0.6rem 0.75rem; background: var(--bg-card);
  /* 82 列一次進 DOM 時，畫面外的列不必先做 layout（U14 的終點是「完整清單已渲染
     且可捲動」）。contain-intrinsic-size 給出估計高度，捲動條長度仍正確 */
  content-visibility: auto;
  contain-intrinsic-size: auto 5.5rem;
}
.upcoming-row[data-expired] { border-color: #FFCC80; background: #FFFBF5; }
.skeleton {
  height: 4.5rem; border-radius: 6px; border: 1px solid var(--border);
  background: linear-gradient(90deg, #F2EFEA 25%, #FAF8F4 50%, #F2EFEA 75%);
  background-size: 200% 100%; animation: skeleton 1.2s linear infinite;
}
@keyframes skeleton { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.upcoming-controls { display: flex; flex-wrap: wrap; gap: 0.5rem 0.8rem; align-items: flex-end; margin: 0.7rem 0 0.2rem; font-size: 0.8rem; }
.upcoming-controls label { display: flex; flex-direction: column; gap: 0.2rem; color: var(--text-muted); }
.upcoming-controls select, .upcoming-controls input {
  font: inherit; color: var(--text-primary); background: #fff;
  border: 1px solid var(--border); border-radius: 4px; padding: 0.3rem 0.4rem;
}
.upcoming-controls button { align-self: flex-end; padding: 0.35rem 0.7rem; }
.upcoming-group h3 { font-size: 0.9rem; margin: 1.1rem 0 0.4rem; padding-bottom: 0.25rem; border-bottom: 2px solid var(--accent); }
.upcoming-group:first-child h3 { margin-top: 0.4rem; }
.upcoming-group .upcoming-row + .upcoming-row { margin-top: 0.5rem; }

/* 比較籃（spec-compare.md §3.2）：底部常駐列。序位 1–4 的顏色與線型同圖表 */
.tray {
  position: sticky; bottom: 0; z-index: 20; margin-top: 1rem;
  background: var(--bg-card); border-top: 2px solid var(--accent);
  box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
}
.tray-inner { max-width: 980px; margin: 0 auto; padding: 0.6rem 1rem; display: flex; gap: 0.5rem 0.8rem; align-items: center; flex-wrap: wrap; }
.tray-label { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.tray-chips { display: flex; gap: 0.4rem; flex-wrap: wrap; flex: 1 1 auto; }
.tray-chip { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.8rem;
  border: 1px solid var(--border); border-radius: 999px; padding: 0.15rem 0.3rem 0.15rem 0.5rem; }
.tray-chip button { border: none; background: none; cursor: pointer; font-size: 1rem; line-height: 1; color: var(--text-muted); padding: 0 0.25rem; }
.tray-chip button:hover { color: var(--danger); }
.tray-name { max-width: 9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tray-actions { display: flex; gap: 0.5rem; align-items: center; }
.tray-dot { width: 0.7rem; height: 0.7rem; border-radius: 2px; display: inline-block; }
[data-slot="1"] .tray-dot { background: var(--s1); }
[data-slot="2"] .tray-dot { background: var(--s2); }
[data-slot="3"] .tray-dot { background: var(--s3); }
[data-slot="4"] .tray-dot { background: var(--s4); }
.link-btn { border: none; background: none; color: var(--accent-hover); cursor: pointer; font: inherit; text-decoration: underline; padding: 0; }
.add-cmp { font-size: 0.75rem; padding: 0.15rem 0.5rem; }
.result-wrap { position: relative; display: block; }
.r-cmp { position: absolute; right: 0.6rem; bottom: 0.5rem; }
.detail-cmp { display: inline-block; margin-top: 0.5rem; }
.compare-codes { list-style: none; padding: 0; margin: 0.5rem 0 0; display: flex; flex-direction: column; gap: 0.4rem; }
.compare-code { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap;
  border: 1px solid var(--border); border-radius: 6px; padding: 0.5rem 0.7rem; font-size: 0.85rem; }
.compare-code[data-status="error"], .compare-code[data-status="invalid"] { border-color: #EF9A9A; background: #FDF3F2; }
.compare-code[data-status="missing"] { border-color: #FFCC80; background: #FFF3E0; }
.compare-name { flex: 1 1 8rem; overflow-wrap: anywhere; }
.compare-state { color: var(--warn-text); font-size: 0.8rem; }

/* 比較圖表（spec-compare.md §4.2）：四條線以顏色＋線型雙重區分 */
.cmp-controls { display: flex; gap: 0.5rem 1rem; flex-wrap: wrap; align-items: center; margin: 0.6rem 0; }
.cmp-group { display: inline-flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.cmp-group button { border: none; background: #fff; font: inherit; font-size: 0.8rem; padding: 0.3rem 0.7rem; cursor: pointer; }
.cmp-group button + button { border-left: 1px solid var(--border); }
.cmp-group button[aria-pressed="true"] { background: var(--accent-hover); color: #fff; }
.cmp-chart-wrap { position: relative; }
.cmp-skeleton { height: 16rem; }
.cmp-line { fill: none; stroke-width: 2; stroke-linecap: butt; }
.cmp-line.upcoming { opacity: 0.45; }           /* 預告以不透明度表示，線型仍代表序位 */
.cmp-line.s1 { stroke: var(--s1); }
.cmp-line.s2 { stroke: var(--s2); stroke-dasharray: 8 4; }
.cmp-line.s3 { stroke: var(--s3); stroke-dasharray: 3 3; }
.cmp-line.s4 { stroke: var(--s4); stroke-dasharray: 1 4; stroke-linecap: round; }
.cmp-marker { stroke: #fff; stroke-width: 1; }
.cmp-marker.s1 { fill: var(--s1); }
.cmp-marker.s2 { fill: var(--s2); }
.cmp-marker.s3 { fill: var(--s3); }
.cmp-marker.s4 { fill: var(--s4); }
.cmp-marker.upcoming { opacity: 0.45; }
.cmp-band { stroke: #fff; stroke-width: 0.5; }
.cmp-band.band-hidden { opacity: 0.35; }
.band-k-priced { fill: var(--accent-light); }
.band-k-terminated { fill: url(#hatchTerm); }
.band-k-unpriced_zero { fill: url(#lineZero); }
.band-k-suspended { fill: url(#dotsSusp); }
.band-k-gap { fill: url(#hatchGap); }
.band-k-before, .band-k-uncovered { fill: #F7F5F1; }
.band-k-conflict, .band-k-malformed, .band-k-missing { fill: url(#crossUnknown); }
.cmp-band.band-error, .cmp-band.band-invalid { fill: #FDF3F2; }
.cmp-band.band-missing { fill: #FFF3E0; }
.cmp-band.band-loading { fill: #F2EFEA; }
.cmp-band.band-upcoming { opacity: 0.5; }
.band-label { font-size: 9px; fill: var(--text-muted); }
.cmp-cross { stroke: var(--text-primary); stroke-width: 1; stroke-dasharray: 3 3; }
.cross-tip {
  position: absolute; right: 0.5rem; top: 0.5rem; z-index: 5; max-width: 22rem;
  background: var(--bg-card); border: 1px solid var(--accent); border-radius: 6px;
  padding: 0.4rem 0.6rem; font-size: 0.78rem; box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.cross-day { font-weight: 700; margin-bottom: 0.2rem; }
.cross-row { display: flex; gap: 0.35rem; align-items: baseline; }
.cmp-legend { list-style: none; padding: 0; margin: 0.6rem 0 0; display: flex; flex-direction: column; gap: 0.3rem; }
.cmp-legend-item button {
  display: flex; gap: 0.4rem; align-items: baseline; width: 100%; text-align: left;
  border: 1px solid var(--border); border-radius: 6px; background: #fff; font: inherit;
  font-size: 0.8rem; padding: 0.35rem 0.5rem; cursor: pointer; flex-wrap: wrap;
}
.cmp-legend-item[data-visible="false"] button { opacity: 0.55; border-style: dashed; }
.cmp-legend-name { flex: 1 1 8rem; overflow-wrap: anywhere; }
.cmp-legend-state, .cmp-legend-base { color: var(--text-muted); font-size: 0.75rem; }
.cmp-swatch { width: 1.1rem; height: 0.55rem; border-radius: 2px; display: inline-block; }
[data-slot="1"] .cmp-swatch { background: var(--s1); }
[data-slot="2"] .cmp-swatch { background: var(--s2); }
[data-slot="3"] .cmp-swatch { background: var(--s3); }
[data-slot="4"] .cmp-swatch { background: var(--s4); }

.cmp-card { margin-top: 1rem; padding: 1rem; }
.cmp-card h3 { font-size: 0.95rem; margin: 0 0 0.3rem; }
.cmp-summary { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.cmp-summary th, .cmp-summary td { border: 1px solid var(--border); padding: 0.35rem 0.5rem; text-align: left; vertical-align: top; }
.cmp-summary thead th { background: #FAF8F4; position: sticky; top: 0; }
.cmp-summary tbody th { background: #FAF8F4; white-space: nowrap; position: sticky; left: 0; }
.cmp-summary .cmp-unavailable { color: var(--danger); }
.cmp-events td, .cmp-events th { white-space: nowrap; }
.cmp-events .row-focus { outline: 2px solid var(--accent); background: var(--accent-light); }
tr.row-focus td { background: var(--accent-light); }
.cmp-marker { cursor: pointer; }

@media (max-width: 480px) {
  .wrap { padding: 1rem 0.75rem 3rem; }
  .card { padding: 1rem 0.85rem 1.2rem; }
  .metric.key { grid-column: auto; }
  .results { grid-template-columns: 1fr; }
  .upcoming-badge { margin-top: 0.5rem; }
  .upcoming-controls label { flex: 1 1 8rem; }
  .facts { grid-template-columns: 1fr; }
  .facts dt { margin-top: 0.3rem; }
  table.history { font-size: 0.78rem; }
  table.history th, table.history td { padding: 0.3rem 0.35rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media print {
  @page { margin: 15mm; }
  body { background: #fff; -webkit-print-color-adjust: exact; print-color-adjust: exact; font-size: 12px; }
  #searchView, .back, .chart-opts, .table-tools button, #banners button { display: none !important; }
  .card { box-shadow: none; break-inside: avoid; }
  .table-wrap { overflow: visible; }
}