/* 41研究室 文本分析助手 — 版面（沿用 ds.css 的變數與 class） */
html{background:#FFF8EC}
html.dark{background:#241611}
body{margin:0;min-height:100vh}
[hidden]{display:none !important}
button,input,select,textarea{font-family:inherit}
select.input{appearance:auto}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px 64px}

/* 頁首 */
.site-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:24px 0}
.logo-mark{display:block;object-fit:contain}
.logo-mark{object-fit:contain;display:block}
.logo-text{font-size:28px;line-height:1.2}
.head-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.only-narrow{display:none}

/* 首頁主視覺 */
.hero{display:flex;flex-wrap:wrap;gap:32px;align-items:stretch;padding:24px 0 40px}
.hero-text{flex:1 1 520px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.hero-pat{align-self:flex-start}
.hero-title{font-size:64px;line-height:1.15}
.hero-sub{max-width:520px}
.counter-card{flex:0 1 440px;background:var(--surface-2);padding:32px;display:flex;flex-direction:column;justify-content:center;gap:16px;border:2px solid var(--brand)}
.counter-head{display:flex;align-items:center;gap:10px}
.digits{flex-wrap:wrap}

/* 面板 */
.panel{margin-top:32px}
.panel-title{margin:0 0 20px}
.card-lg{padding:32px}
.sect{margin-top:32px}
.sect-head{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;margin-bottom:20px}
.legend .s-sm{align-self:center}

/* 常用字上限 */
.limit-card{padding:20px 24px;background:var(--surface-2);box-shadow:none}
.limit-slot{margin-top:20px}
#limitSlotResult{margin:0 0 24px}
.limit-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}
.limit-field{flex:0 0 180px}
.limit-hint{flex:1 1 280px;margin:0}
.limit-readout{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* 輸入 */
.input-foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:20px}
.input-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}

/* 結果 */
.res-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin:8px 0 20px}
.res-actions{display:flex;gap:12px;flex-wrap:wrap}
.summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:16px}
.stat.warn{background:var(--accent-bg);border-color:var(--accent-text)}
.stat.warn .k{color:var(--text)}
.stat.warn .v{color:var(--accent-text)}
.stat.warn .u{color:var(--text)}

/* 分段字頻 */
.band{border-bottom:1px solid var(--line)}
.band[open]{background:var(--surface-2);border-radius:12px;border-bottom-color:transparent}
.bhead,.brow{display:grid;grid-template-columns:24px 128px minmax(0,1fr) 72px 72px;align-items:center;gap:12px}
.bhead{padding:0 8px 8px;border-bottom:2px solid var(--line-strong);font-size:14px;font-weight:700;color:var(--muted)}
.brow{min-height:48px;padding:6px 8px;cursor:pointer;list-style:none;border-radius:12px}
.brow::-webkit-details-marker{display:none}
.brow:hover{background:var(--surface-2)}
.brow .bar{grid-column:3;grid-row:1}
.brow .ct{grid-column:4;grid-row:1}
.brow .pc{grid-column:5;grid-row:1}
.band.empty .brow{cursor:default;color:var(--muted)}
.band.empty .brow:hover{background:transparent}
.band.empty .chev{visibility:hidden}
.chev{transition:transform .15s}
.band[open] .chev{transform:rotate(90deg)}
.ct,.pc{text-align:right;font-variant-numeric:tabular-nums}
.pc{font-weight:700}
.r{text-align:right}
.bpanel{padding:8px 16px 24px 52px}
.bpanel .chars{grid-template-columns:repeat(auto-fill,minmax(76px,88px));padding-top:4px}
.cards-grid{grid-template-columns:repeat(auto-fill,minmax(76px,1fr));padding-top:4px}
.sw-over{width:auto;height:auto;padding:0 8px;font-size:14px}

/* 原文標色 */
.src{white-space:pre-wrap;word-break:break-word}

/* 進階與表格 */
.adv>summary.adv-sum{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 16px;cursor:pointer;list-style:none}
.adv>summary.adv-sum::-webkit-details-marker{display:none}
.adv>summary.adv-sum::before{content:"▸";font-size:20px;color:var(--muted)}
.adv[open]>summary.adv-sum::before{content:"▾"}
.adv h3{margin:28px 0 12px}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.tbl{width:100%;border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}
.tbl th,.tbl td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:var(--surface-2);font-weight:700;white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl td.num,.tbl th.num{text-align:right}
.tbl .wl{min-width:240px;line-height:1.9}
.tbl .sortbtn{all:unset;cursor:pointer;font-weight:700;display:inline-flex;gap:4px;align-items:center}
.tbl .sortbtn:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.tbl-more{margin-top:12px}

/* 提示詞 */
.prompt-layout{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.prompt-settings{flex:1 1 340px;max-width:400px;display:flex;flex-direction:column;gap:24px}
.prompt-out{flex:2 1 560px;display:flex;flex-direction:column;gap:20px;min-width:0}
.code{max-height:520px;overflow:auto}
.paste-back{display:flex;align-items:center;gap:8px;margin-top:-6px;font-weight:700}
.ai-links{display:flex;flex-wrap:wrap;gap:12px}
.ai-links .btn{flex:1 1 150px}

/* 頁尾與提示 */
.site-foot{margin-top:64px;text-align:center}
.site-foot .hr{margin-bottom:20px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--badge-bg);color:var(--badge-fg);padding:12px 22px;border-radius:12px;font-weight:700;box-shadow:var(--sh-lg);z-index:50;max-width:calc(100vw - 32px)}

/* 手機 */
@media (max-width:600px){
  .wrap{padding:0 16px 48px}
  .site-head{padding:16px 0}
  .logo-mark{width:38px;height:38px}
  .logo-text{font-size:22px}
  .head-tools{gap:8px;flex-wrap:nowrap}
  .only-wide{display:none}
  .only-narrow{display:inline-flex}
  .seg button{min-width:52px;padding:0 10px}
  .hero{gap:20px;padding:8px 0 28px}
  .hero-title{font-size:40px}
  .hero-sub{font-size:18px}
  .counter-card{padding:20px}
  .digits b{width:36px;height:52px;font-size:32px}
  .tab{font-size:14px;padding:0 2px;min-height:48px}
  .panel{margin-top:24px}
  .card,.card-lg{padding:20px}
  .limit-card{padding:16px 20px}
  .limit-field{flex:1 1 100%}
  .res-head h1{font-size:28px}
  .res-actions{width:100%}
  .res-actions .btn{flex:1;padding:0 12px}
  .stat .v{font-size:34px}
  .summary{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .src{font-size:18px;line-height:2.2}
  .input-actions{width:100%}
  .input-actions .btn-primary{flex:1}
  .sect-head{margin-bottom:14px}
  .bhead{display:none}
  .band .brow{grid-template-columns:20px minmax(0,1fr) auto 52px;gap:6px 8px;min-height:60px;padding:8px 6px}
  .brow .bar{grid-column:2 / -1;grid-row:2;height:14px}
  .brow .ct{grid-column:3;grid-row:1;font-size:14px}
  .brow .pc{grid-column:4;grid-row:1;font-size:14px}
  .bpanel{padding:4px 12px 20px}
  .bpanel .chars{grid-template-columns:repeat(4,minmax(0,1fr))}
  .cards-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .ch{font-size:34px}
  .prompt-settings{max-width:none}
  .site-foot{margin-top:40px}
}

.tbl-wrap.scroll{max-height:480px;overflow:auto}
.tbl-wrap.scroll th{position:sticky;top:0;z-index:1}