:root{
  --bg:#f6f3ee;--card:#fffdf9;--ink:#24332b;--muted:#66736b;--line:#e3ddd2;
  --brand:#0b6b5f;--brand-soft:#e3f1ee;--warn:#9a5b00;--warn-soft:#fff3dc;--bad:#a43a32;--bad-soft:#fbe9e7;
  --a:#1f7a4d;--b:#b07a00;--c:#b2463c;--radius:14px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#151a17;--card:#1e2420;--ink:#e6ece8;--muted:#9aa69f;--line:#323b35;
    --brand:#5cc3b2;--brand-soft:#1c3531;--warn:#e7b25a;--warn-soft:#3a2f1a;--bad:#ef8a80;--bad-soft:#3d2321;
    --a:#6fd19c;--b:#e7c160;--c:#ef8a80;
  }
}
:root[data-theme="dark"]{
  --bg:#151a17;--card:#1e2420;--ink:#e6ece8;--muted:#9aa69f;--line:#323b35;
  --brand:#5cc3b2;--brand-soft:#1c3531;--warn:#e7b25a;--warn-soft:#3a2f1a;--bad:#ef8a80;--bad-soft:#3d2321;
  --a:#6fd19c;--b:#e7c160;--c:#ef8a80;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
header{max-width:1100px;margin:0 auto;padding:28px 16px 8px}
header h1{margin:0;font-size:24px;letter-spacing:.5px}
header p{margin:4px 0 0;color:var(--muted)}
nav{max-width:1100px;margin:12px auto 0;padding:0 16px;display:flex;gap:6px;flex-wrap:wrap}
nav button{border:1px solid var(--line);background:var(--card);color:var(--ink);padding:8px 16px;border-radius:999px;cursor:pointer;font:inherit}
nav button.on{background:var(--brand);border-color:var(--brand);color:#fff}
main{max-width:1100px;margin:0 auto;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px}
.card h2{margin:0 0 12px;font-size:17px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px}
.full{grid-column:1/-1}
label.f{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
input[type=text],input[type=password],input[type=number],select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:8px 10px;width:100%}
textarea{resize:vertical;min-height:60px}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.btn{border:1px solid var(--brand);background:var(--brand);color:#fff;padding:9px 18px;border-radius:10px;cursor:pointer;font:inherit;font-weight:600}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.small{padding:5px 12px;font-weight:500;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.hint{font-size:13px;color:var(--muted);margin:6px 0 0}
.note{border-radius:10px;padding:10px 12px;font-size:13px;margin:10px 0}
.note.warn{background:var(--warn-soft);color:var(--warn)}
.note.ok{background:var(--brand-soft);color:var(--brand)}
.note.bad{background:var(--bad-soft);color:var(--bad)}
.presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.preset{border:1px solid var(--line);background:var(--bg);border-radius:12px;padding:8px 12px;cursor:pointer;text-align:left;color:var(--ink);font:inherit;min-width:150px}
.preset b{display:block;font-size:14px}
.preset span{font-size:12px;color:var(--muted)}
.preset.on{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.tag{display:inline-block;font-size:11px;padding:1px 7px;border-radius:999px;background:var(--brand-soft);color:var(--brand);margin-left:4px;vertical-align:1px}
.tag.pay{background:var(--warn-soft);color:var(--warn)}
.drops{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.drop{border:2px dashed var(--line);border-radius:12px;min-height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;cursor:pointer;position:relative;overflow:hidden;text-align:center;padding:10px;color:var(--muted)}
.drop.over{border-color:var(--brand);background:var(--brand-soft)}
.drop img{max-width:100%;max-height:220px;border-radius:8px}
.drop b{color:var(--ink)}
.drop .x{position:absolute;top:6px;right:6px;border:0;background:rgba(0,0,0,.55);color:#fff;border-radius:999px;width:26px;height:26px;cursor:pointer}
.grade{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;font-size:24px;font-weight:700;color:#fff;background:var(--muted)}
.grade.A{background:var(--a)}.grade.B{background:var(--b)}.grade.C{background:var(--c)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:13px;cursor:pointer;user-select:none;background:var(--bg)}
.chip.on{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:500;font-size:13px}
.tablewrap{overflow-x:auto}
.stat{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:10px}
.stat div{font-size:13px;color:var(--muted)}
.stat b{display:block;font-size:20px;color:var(--ink)}
.spinner{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;display:inline-block;animation:spin .8s linear infinite;vertical-align:-3px}
@keyframes spin{to{transform:rotate(360deg)}}
details summary{cursor:pointer;color:var(--muted);font-size:13px}
pre{white-space:pre-wrap;word-break:break-all;background:var(--bg);border-radius:10px;padding:10px;font-size:12px;max-height:300px;overflow:auto}
.hidden{display:none!important}
.vids{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.vids figure{margin:0}.vids video{width:100%;max-height:480px;background:#000;border-radius:12px}
.vids figcaption{text-align:center;margin-top:6px;font-weight:600}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.gallery button{border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:0;overflow:hidden;cursor:pointer;color:var(--ink);font:inherit;text-align:left}
.gallery img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.gallery span{display:block;font-size:12px;padding:4px 8px;color:var(--muted)}
dialog{border:0;border-radius:14px;padding:12px;max-width:92vw;background:var(--card);color:var(--ink)}
dialog img{max-width:88vw;max-height:78vh;display:block;border-radius:8px}
dialog::backdrop{background:rgba(0,0,0,.6)}
.chartwrap{overflow-x:auto;background:var(--bg);border-radius:12px;padding:8px}
.chartwrap svg{display:block}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted);margin:8px 0 0;flex-wrap:wrap}
.legend i{display:inline-block;width:18px;height:3px;border-radius:2px;vertical-align:4px;margin-right:6px}
.rubric-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.rubric-row small{display:block;color:var(--muted);font-size:12px}
.stars{display:flex;gap:4px;flex-shrink:0}
.stars button{border:0;background:none;font-size:28px;line-height:1;cursor:pointer;color:var(--line);padding:0 2px}
.stars button.lit{color:#e0a020}
.avg{font-variant-numeric:tabular-nums}
@media (max-width:700px){.vids,.grid,.drops{grid-template-columns:1fr}.preset{min-width:0;flex:1 1 140px}header h1{font-size:20px}}