:root{--bg:#f6f7f9;--card:#fff;--ink:#1c1f26;--muted:#6b7280;--line:#e5e7eb;--accent:#2563eb;--ok:#16a34a;--bad:#dc2626;--warn:#d97706;--mono:ui-monospace,SFMono-Regular,Menlo,monospace}
[hidden]{display:none!important}
*{box-sizing:border-box}
body{margin:0;font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}
header{display:flex;align-items:center;gap:24px;padding:10px 24px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{font-weight:700;font-size:16px;color:var(--ink);text-decoration:none}
nav{display:flex;gap:4px;flex:1}
nav a{padding:6px 12px;border-radius:6px;color:var(--muted);text-decoration:none}
nav a.active,nav a:hover{background:#eef2ff;color:var(--accent)}
main{max-width:1280px;margin:0 auto;padding:24px}
h1{font-size:22px;margin:0 0 16px}h2{font-size:16px;margin:24px 0 8px}h3{font-size:14px;margin:12px 0 6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.row>*{flex:1 1 180px}
.row>.grow{flex:3 1 320px}.row>.shrink{flex:0 0 auto}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:3px}
input,select,textarea{width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:6px;font:inherit;background:#fff}
textarea{min-height:64px;font-family:var(--mono);font-size:12px}
input[type=checkbox]{width:auto}
button{padding:7px 14px;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:6px;font:inherit;cursor:pointer}
button:hover{filter:brightness(1.08)}button:disabled{opacity:.5;cursor:default}
button.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
button.danger{background:#fff;color:var(--bad);border-color:#fecaca}
button.sm{padding:3px 9px;font-size:12px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:500;font-size:12px;white-space:nowrap}
tr.click{cursor:pointer}tr.click:hover{background:#f9fafb}
.muted{color:var(--muted)}.mono{font-family:var(--mono);font-size:12px}
.tag{display:inline-block;padding:1px 7px;border-radius:999px;font-size:11px;background:#eef2ff;color:var(--accent)}
.tag.ok{background:#dcfce7;color:var(--ok)}.tag.bad{background:#fee2e2;color:var(--bad)}.tag.warn{background:#fef3c7;color:var(--warn)}.tag.gray{background:#f3f4f6;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px}
.stat .v{font-size:22px;font-weight:600}.stat .l{font-size:12px;color:var(--muted)}
.bar{height:8px;background:#eef2ff;border-radius:4px;overflow:hidden;display:flex}
.bar i{display:block;height:100%}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.thumb{border:1px solid var(--line);border-radius:8px;background:#fff;padding:8px;cursor:pointer}
.thumb img{width:100%;height:120px;object-fit:contain;background:#f3f4f6;border-radius:4px}
.thumb .e{font-family:var(--mono);font-size:11px;word-break:break-all;margin-top:4px}
#modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:20;padding:20px}
.modal-card{background:#fff;border-radius:12px;padding:20px;max-width:1000px;width:100%;max-height:92vh;overflow:auto}
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#111;color:#fff;padding:9px 16px;border-radius:8px;z-index:30;max-width:80vw}
pre{background:#f3f4f6;padding:10px;border-radius:6px;overflow:auto;font-size:12px;white-space:pre-wrap;word-break:break-all;max-height:320px}
.login{max-width:380px;margin:80px auto}
.overlay-wrap{position:relative;display:inline-block;max-width:100%}
.overlay-wrap canvas{position:absolute;left:0;top:0;pointer-events:none}
.overlay-wrap img{display:block;max-width:100%}
.help p,.help li{max-width:900px}
code{font-family:var(--mono);font-size:12px;background:#f3f4f6;padding:1px 4px;border-radius:3px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:800px){.split{grid-template-columns:1fr}}
progress{width:100%;height:8px}