/* ===== 共用樣式：提領法則 ===== */
:root{
  --bg:#f6f7f9; --panel:#ffffff; --ink:#1a1d21; --muted:#6b7280;
  --line:#e3e6ea; --accent:#1f6feb; --accent-soft:#e8f0fe;
  --good:#12805c; --bad:#c02626; --good-soft:rgba(18,128,92,.09); --bad-soft:rgba(192,38,38,.09);
  --row-alt:#fafbfc; --shadow:0 1px 2px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#14171a; --panel:#1c2024; --ink:#e8eaed; --muted:#9aa3ad;
    --line:#2c3238; --accent:#4d94ff; --accent-soft:#1b2b45;
    --good:#3fce9f; --bad:#ff7b72; --good-soft:rgba(63,206,159,.12); --bad-soft:rgba(255,123,114,.12);
    --row-alt:#20252a; --shadow:0 1px 2px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"]{
  --bg:#14171a; --panel:#1c2024; --ink:#e8eaed; --muted:#9aa3ad;
  --line:#2c3238; --accent:#4d94ff; --accent-soft:#1b2b45;
  --good:#3fce9f; --bad:#ff7b72; --good-soft:rgba(63,206,159,.12); --bad-soft:rgba(255,123,114,.12);
  --row-alt:#20252a; --shadow:0 1px 2px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px; line-height:1.6;
}
a{color:var(--accent)}
.wrap{max-width:1080px; margin:0 auto; padding:24px 16px 64px}
.wrap.wide{max-width:1240px}

/* ---- 頁首 ---- */
header{position:relative}
header h1{font-size:1.5rem; margin:0 0 4px; letter-spacing:-.01em}
header p{margin:0 0 20px; color:var(--muted); font-size:.9rem}
.topbar{display:flex; gap:8px; justify-content:flex-end; margin-bottom:10px; flex-wrap:wrap}

/* ---- 卡片 ---- */
.card{background:var(--panel); border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow); padding:20px; margin-bottom:20px}
.card h2{font-size:1rem; margin:0 0 6px; letter-spacing:.02em}
.card h2 + .hint{margin:0 0 16px}
details.card > summary{
  font-size:1rem; font-weight:600; cursor:pointer; list-style:none; display:flex; align-items:center; gap:8px;
}
details.card > summary::-webkit-details-marker{display:none}
details.card > summary::before{content:'▸'; color:var(--muted); transition:transform .15s}
details.card[open] > summary::before{transform:rotate(90deg)}
details.card[open] > summary{margin-bottom:14px}

/* ---- 表單 ---- */
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px}
label{display:block; font-size:.82rem; color:var(--muted); margin-bottom:5px}
.field input,.field select{
  width:100%; padding:9px 11px; font-size:1rem; font-family:inherit; font-variant-numeric:tabular-nums;
  border:1px solid var(--line); border-radius:8px; background:var(--bg); color:var(--ink);
}
.field input:focus,.field select:focus{outline:2px solid var(--accent); outline-offset:-1px; border-color:transparent}
.field .unit{font-size:.75rem; color:var(--muted); margin-left:4px}
textarea{
  width:100%; padding:10px 12px; border:1px solid var(--line); border-radius:8px;
  background:var(--bg); color:var(--ink); resize:vertical; line-height:1.5;
  font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace; font-size:.82rem;
}
textarea:focus{outline:2px solid var(--accent); outline-offset:-1px; border-color:transparent}
.actions{display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; align-items:center}
button{
  font:inherit; font-size:.92rem; padding:9px 18px; border-radius:8px; cursor:pointer;
  border:1px solid var(--line); background:var(--panel); color:var(--ink);
}
button.primary{background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600}
button.danger{color:var(--bad); border-color:var(--line)}
button.small{padding:5px 10px; font-size:.82rem}
button:hover{filter:brightness(.97)}
.hint{font-size:.8rem; color:var(--muted)}
.hint.ok{color:var(--good)} .hint.err{color:var(--bad)}

/* ---- 參數分組 ---- */
.group{margin-bottom:20px}
.group:last-of-type{margin-bottom:0}
.group > h3{
  font-size:.78rem; color:var(--muted); font-weight:600; margin:0 0 11px;
  letter-spacing:.06em; display:flex; align-items:center; gap:10px;
}
.group > h3::after{content:''; flex:1; height:1px; background:var(--line)}
.group > h3 .tag{
  font-weight:500; letter-spacing:0; color:var(--accent);
  background:var(--accent-soft); border-radius:20px; padding:1px 9px; font-size:.74rem;
}

/* ---- 分頁籤 ---- */
.tabs{display:flex; gap:6px; margin-bottom:18px; border-bottom:1px solid var(--line)}
.tabs button{
  border:none; background:none; padding:9px 16px; margin-bottom:-1px; cursor:pointer;
  font:inherit; font-size:.93rem; color:var(--muted); border-bottom:2px solid transparent; border-radius:0;
}
.tabs button[aria-selected="true"]{color:var(--accent); border-bottom-color:var(--accent); font-weight:600}

/* ---- 數據卡 ---- */
.stats{display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:12px; margin-bottom:16px}
.stat{background:var(--bg); border:1px solid var(--line); border-radius:10px; padding:12px 14px}
.stat .k{font-size:.78rem; color:var(--muted)}
.stat .v{font-size:1.22rem; font-weight:650; font-variant-numeric:tabular-nums; letter-spacing:-.01em; margin-top:2px}
.v.good{color:var(--good)} .v.bad{color:var(--bad)}
.verdict{padding:11px 14px; border-radius:9px; font-size:.9rem; margin-bottom:16px; border:1px solid transparent}
.verdict.ok{background:var(--accent-soft)}
.verdict.fail{background:var(--bad-soft)}
.verdict.warn{background:var(--bad-soft); border-color:var(--line)}

/* ---- 圖表 ---- */
.chartbox{border:1px solid var(--line); border-radius:10px; padding:10px; background:var(--bg); margin-bottom:18px}
svg{display:block; width:100%; height:260px}
.legend{display:flex; gap:16px; flex-wrap:wrap; font-size:.8rem; color:var(--muted); padding:4px 6px 0}
.legend i{display:inline-block; width:14px; height:3px; border-radius:2px; vertical-align:middle; margin-right:5px}
h3.sub{font-size:.9rem; margin:22px 0 10px; color:var(--muted); font-weight:600}

/* ---- 表格 ---- */
.tablebox{overflow-x:auto; border:1px solid var(--line); border-radius:10px}
.tablebox.tall{max-height:420px; overflow-y:auto}
.tablebox.taller{max-height:560px; overflow-y:auto}
table{border-collapse:collapse; width:100%; min-width:860px; font-size:.88rem}
table.narrow{min-width:520px}
table.wide{min-width:1180px}
table.auto{min-width:0}
th,td{padding:8px 12px; text-align:right; white-space:nowrap; border-bottom:1px solid var(--line)}
th{background:var(--bg); color:var(--muted); font-weight:600; font-size:.78rem; position:sticky; top:0; z-index:1}
th:first-child,td:first-child{text-align:center}
td{font-variant-numeric:tabular-nums}
tbody tr:nth-child(even){background:var(--row-alt)}
tr.depleted td{color:var(--bad)}
tr.ok-row{background:var(--good-soft)!important}
tr.fail-row{background:var(--bad-soft)!important}
.pos{color:var(--good)} .neg{color:var(--bad)}
.note{font-size:.8rem; color:var(--muted); margin-top:14px}
.note ul{margin:6px 0 0; padding-left:18px}

/* ---- 資料設定頁 ---- */
.asset-row{display:flex; align-items:center; gap:10px; padding:9px 0; border-bottom:1px solid var(--line)}
.asset-row:last-of-type{border-bottom:none}
.asset-row input[type=text]{
  flex:1 1 200px; min-width:0; padding:8px 11px; font:inherit; font-size:.95rem;
  border:1px solid var(--line); border-radius:8px; background:var(--bg); color:var(--ink);
}
.asset-row input[type=text]:focus{outline:2px solid var(--accent); outline-offset:-1px; border-color:transparent}
.asset-row .meta{font-size:.78rem; color:var(--muted); white-space:nowrap; font-variant-numeric:tabular-nums}
.grip{color:var(--muted); font-size:.8rem; width:1.4em; text-align:center; flex:none}

table.editor input{
  width:100%; min-width:86px; padding:5px 8px; font:inherit; font-size:.86rem; text-align:right;
  font-variant-numeric:tabular-nums; border:1px solid transparent; border-radius:6px;
  background:transparent; color:var(--ink);
}
table.editor input:hover{border-color:var(--line)}
table.editor input:focus{outline:2px solid var(--accent); outline-offset:-1px; background:var(--bg)}
table.editor input::placeholder{color:var(--muted); opacity:.5}
table.editor td{padding:3px 6px}
table.editor td.yr{font-weight:600; padding:3px 12px}
table.editor td.act{padding-right:10px}
table.editor tbody tr:hover{background:var(--accent-soft)}
.xbtn{
  border:none; background:none; color:var(--muted); cursor:pointer; padding:2px 7px;
  border-radius:6px; font-size:.95rem; line-height:1;
}
.xbtn:hover{background:var(--bad-soft); color:var(--bad)}
.xbtn.armed{background:var(--bad); color:#fff; font-size:.76rem; padding:3px 8px}
.saved{
  display:inline-flex; align-items:center; gap:6px; font-size:.8rem; color:var(--muted);
  opacity:0; transition:opacity .2s;
}
.saved.show{opacity:1}
.saved.show.ok{color:var(--good)}
.inline-add{display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-top:14px}
.inline-add input{
  width:110px; padding:8px 11px; font:inherit; border:1px solid var(--line);
  border-radius:8px; background:var(--bg); color:var(--ink); font-variant-numeric:tabular-nums;
}
.inline-add input:focus{outline:2px solid var(--accent); outline-offset:-1px; border-color:transparent}

.theme-toggle{padding:6px 12px; font-size:.8rem}
.linkbtn{padding:6px 12px; font-size:.8rem; text-decoration:none; display:inline-flex; align-items:center; gap:5px}

@media(max-width:520px){
  .wrap{padding:20px 12px 48px}
  .tabs button{padding:9px 10px; font-size:.88rem}
  .asset-row{flex-wrap:wrap}
}