:root{
  --bg:#0f1720; --card:#18222e; --card2:#1e2a38; --line:#2a3a4d;
  --ink:#e8eef5; --muted:#8ea3b8; --pri:#3b82f6; --pri-d:#2563eb;
  --good:#22c55e; --good-bg:#0e2a1c; --bad:#f87171; --warn:#fbbf24;
  --star:#fbbf24;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.55 system-ui,-apple-system,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;}
a{color:var(--pri);text-decoration:none}
a:hover{text-decoration:underline}

/* topbar */
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:12px 16px;background:var(--card);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20}
.brand{font-weight:700;font-size:18px}
.userbox{display:flex;align-items:center;gap:10px}
.uname{color:var(--muted);font-size:14px}
.inline{display:inline}

.container{max-width:1100px;margin:0 auto;padding:16px}
.foot{text-align:center;color:var(--muted);font-size:12px;padding:24px}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;margin-bottom:16px}
.card h2{margin:0 0 8px;font-size:17px}
.muted{color:var(--muted)}
.small{font-size:12px}

/* login */
.login-card{max-width:360px;margin:8vh auto;background:var(--card);
  border:1px solid var(--line);border-radius:16px;padding:28px}
.login-card h1{font-size:22px;margin:0 0 4px}
.stack{display:flex;flex-direction:column;gap:14px;margin-top:16px}
label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
input,select{background:var(--card2);border:1px solid var(--line);color:var(--ink);
  border-radius:9px;padding:11px 12px;font-size:16px;width:100%}
input:focus,select:focus{outline:none;border-color:var(--pri)}

/* buttons */
button{cursor:pointer;font-size:15px;border-radius:9px;border:1px solid transparent}
.btn-primary{background:var(--pri);color:#fff;padding:11px 18px;font-weight:600}
.btn-primary:hover{background:var(--pri-d)}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--line);padding:8px 12px}
.btn-ghost:hover{color:var(--ink);border-color:var(--pri)}

.alert{background:#3a1d1d;border:1px solid #5b2b2b;color:#ffb4b4;
  padding:10px 12px;border-radius:9px;font-size:14px}
.alert.warn{background:#3a2f14;border-color:#5b4a1f;color:#ffe08a}

/* upload form */
.uploadform{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.uploadform input[type=file]{flex:1;min-width:200px}
.sortsel{flex-direction:column;font-size:13px}
.sortsel select{min-width:190px}

/* results */
.results-head{display:flex;justify-content:space-between;align-items:baseline;
  flex-wrap:wrap;gap:8px}
.summary{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:13px;padding:4px 10px;border-radius:20px;border:1px solid var(--line)}
.chip-star{color:var(--star);border-color:#5b4a1f;background:#2a2410}
.chip-ok{color:var(--good);border-color:#1f5b3a;background:#0e2a1c}
.toggles{display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:10px;margin:12px 0}
.switch{flex-direction:row;align-items:center;gap:8px;color:var(--ink);
  font-size:14px;cursor:pointer}
.switch input{width:auto}

/* table */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:10px}
.wtable{border-collapse:collapse;width:100%;font-size:14px;white-space:nowrap}
.wtable th,.wtable td{padding:9px 10px;text-align:right;border-bottom:1px solid var(--line)}
.wtable th{background:var(--card2);color:var(--muted);font-weight:600;
  position:sticky;top:0;font-size:12px}
.wtable td.rank,.wtable th:first-child{text-align:center;color:var(--muted)}
.sticky-name{text-align:left !important;position:sticky;left:0;
  background:var(--card);z-index:2}
.wtable thead .sticky-name{background:var(--card2);z-index:5}
.wname{font-weight:600;display:flex;align-items:center;gap:5px}
.wsub{font-size:11px;color:var(--muted)}
.row-under .sticky-name{background:#171f16}
.row-under td{background:rgba(34,197,94,.05)}
.row-action .sticky-name{background:#12241a}
.row-action td{background:rgba(34,197,94,.11)}
.good{color:var(--good)}
.bad{color:var(--bad)}
.yes{color:var(--good);font-weight:700}
.no{color:var(--muted)}
.suggest{color:var(--pri);font-weight:600}
.tag{font-size:11px;padding:1px 5px;border-radius:5px}
.tag.star{color:var(--star)}
.tag.warn{color:#000;background:var(--warn);font-weight:600}

/* history */
.hlist{list-style:none;padding:0;margin:0}
.hlist li{padding:8px 0;border-bottom:1px solid var(--line);display:flex;
  justify-content:space-between;gap:10px;flex-wrap:wrap}

/* light theme */
@media (prefers-color-scheme:light){
  :root{--bg:#f4f7fb;--card:#fff;--card2:#eef3f9;--line:#dbe3ec;--ink:#1a2633;
    --muted:#5f7288;--good-bg:#e7f7ee}
  .row-under td{background:rgba(34,197,94,.08)}
  .row-action td{background:rgba(34,197,94,.16)}
  .tag.warn{color:#000}
}

/* mobile */
@media (max-width:640px){
  .container{padding:10px}
  .uploadform{flex-direction:column;align-items:stretch}
  .uploadform .btn-primary{width:100%}
  .wtable{font-size:13px}
  .wtable th,.wtable td{padding:7px 8px}
}