:root{
  --bg:#f4f6f9; --panel:#fff; --line:#e3e8ef; --line2:#eef1f5; --txt:#1f2937; --muted:#6b7280;
  --brand:#2563eb; --brand-d:#1d4ed8; --ok:#16a34a; --warn:#d97706; --err:#dc2626; --radius:10px;
  --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--txt);font-size:14px;line-height:1.5}
button{font-family:inherit}
a{color:var(--brand)}
.app{display:flex;min-height:100vh}
.sidebar{width:212px;flex:0 0 212px;background:#0f172a;color:#cbd5e1;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:18px 16px;font-weight:700;color:#fff;font-size:15px;border-bottom:1px solid #1e293b}
.brand small{display:block;font-weight:400;color:#94a3b8;font-size:11px;margin-top:3px}
.nav{padding:10px 8px;display:flex;flex-direction:column;gap:4px}
.nav button{text-align:left;background:transparent;border:0;color:#cbd5e1;padding:10px 12px;border-radius:8px;cursor:pointer;font-size:14px}
.nav button:hover{background:#1e293b;color:#fff}
.nav button.active{background:var(--brand);color:#fff}
.sidebar .foot{margin-top:auto;padding:12px 16px;font-size:11px;color:#64748b;border-top:1px solid #1e293b}
.main{flex:1;min-width:0;padding:22px 26px 60px}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.topbar h1{font-size:19px;margin:0}
.topbar .sub{color:var(--muted);font-size:12px;margin-top:3px}
.view{display:none}
.view.active{display:block}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.card h2{font-size:15px;margin:0 0 14px}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;margin-bottom:6px;font-size:13px}
.field .hint{color:var(--muted);font-weight:400;font-size:12px;margin-left:6px}
input[type=text],input[type=number],input[type=password],textarea,select{
  width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 11px;font-size:14px;background:#fff;color:var(--txt)}
textarea{resize:vertical;min-height:64px}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row .col{flex:1;min-width:150px}
.btn{border:1px solid var(--line);background:#fff;color:var(--txt);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:13px}
.btn:hover{background:#f9fafb}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d)}
.btn.danger{color:var(--err);border-color:#fecaca}
.btn.small{padding:5px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* uploader */
.drop{border:2px dashed #cbd5e1;border-radius:12px;padding:22px;text-align:center;background:#fafbfc;transition:.15s}
.drop.drag{border-color:var(--brand);background:#eff6ff}
.drop .big{font-size:15px;font-weight:600;margin-bottom:4px}
.drop .sm{color:var(--muted);font-size:12px}
.thumbs{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.thumb{position:relative;width:92px;height:92px;border-radius:8px;overflow:hidden;border:1px solid var(--line);background:#f8fafc;cursor:grab}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb .idx{position:absolute;left:4px;top:4px;background:rgba(0,0,0,.6);color:#fff;font-size:11px;border-radius:5px;padding:1px 5px}
.thumb .del{position:absolute;right:4px;top:4px;background:rgba(0,0,0,.6);color:#fff;border:0;border-radius:5px;width:20px;height:20px;cursor:pointer;line-height:1}
.thumb.dragover{outline:2px solid var(--brand)}

.adv summary{cursor:pointer;color:var(--brand);font-weight:600;font-size:13px;margin-bottom:10px}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;background:#eef2ff;color:#4338ca}
.badge.gray{background:#f1f5f9;color:#475569}
.badge.ok{background:#dcfce7;color:#166534}
.badge.warn{background:#fef3c7;color:#92400e}
.badge.err{background:#fee2e2;color:#991b1b}
.muted{color:var(--muted)}
.small{font-size:12px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}

/* tasks */
.task{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow)}
.task .head{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer}
.task .head:hover{background:#fafbfc}
.task .title{font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.task .meta{color:var(--muted);font-size:12px}
.task .body{border-top:1px solid var(--line2);padding:14px 16px;display:none}
.task.open .body{display:block}
.progress{height:8px;background:#eef1f5;border-radius:99px;overflow:hidden;width:170px}
.progress>i{display:block;height:100%;background:linear-gradient(90deg,#22c55e,#16a34a);width:0;transition:.3s}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.set{border:1px solid var(--line);border-radius:9px;margin-bottom:12px;background:#fcfdff}
.set .shead{display:flex;align-items:center;gap:10px;padding:10px 12px;cursor:pointer}
.set .shead:hover{background:#f5f8ff}
.set .sbody{padding:10px 12px;border-top:1px solid var(--line2);display:none}
.set.open .sbody{display:block}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
.icard{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}
.icard .imgbox{position:relative;aspect-ratio:1/1;background:#f1f5f9;cursor:zoom-in;display:flex;align-items:center;justify-content:center}
.icard .imgbox img{width:100%;height:100%;object-fit:cover}
.icard .imgbox .ph{color:#94a3b8;font-size:12px;text-align:center;padding:8px}
.icard .info{padding:7px 9px}
.icard .info .t{font-weight:600;font-size:12px}
.icard .info .q{font-size:11px;color:var(--muted)}
.icard .ops{display:flex;gap:4px;flex-wrap:wrap;padding:0 9px 9px}
.icard .ops button{font-size:11px;padding:3px 7px}
.spin{display:inline-block;width:11px;height:11px;border:2px solid #cbd5e1;border-top-color:var(--brand);border-radius:50%;animation:sp .8s linear infinite;vertical-align:-1px}
@keyframes sp{to{transform:rotate(360deg)}}

/* modal */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;z-index:50;padding:24px}
.modal.open{display:flex}
.modal .box{background:#fff;border-radius:12px;max-width:min(1100px,94vw);max-height:92vh;overflow:auto;width:100%;box-shadow:0 10px 40px rgba(0,0,0,.3)}
.modal .mhead{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:2}
.modal .mhead h3{margin:0;font-size:15px}
.modal .mbody{padding:16px 18px}
.modal .close{border:0;background:#f1f5f9;border-radius:8px;width:32px;height:32px;cursor:pointer;font-size:16px}
.lightbox .box{background:transparent;box-shadow:none;max-width:96vw;text-align:center}
.lightbox img{max-width:96vw;max-height:82vh;border-radius:8px;background:#fff}
.lb-bar{display:flex;gap:10px;justify-content:center;margin-top:12px}
.lb-bar button{background:rgba(255,255,255,.92);border:0;border-radius:8px;padding:8px 14px;cursor:pointer}
table.kv{width:100%;border-collapse:collapse;font-size:13px}
table.kv td{border-bottom:1px solid var(--line2);padding:7px 8px;vertical-align:top}
table.kv td.k{width:210px;color:var(--muted);font-weight:600}
.chip{display:inline-block;background:#f1f5f9;border-radius:6px;padding:1px 7px;margin:1px;font-size:12px}
pre.prompt{white-space:pre-wrap;word-break:break-word;background:#0f172a;color:#e2e8f0;padding:14px;border-radius:9px;font-size:12.5px;max-height:52vh;overflow:auto;font-family:ui-monospace,Menlo,Consolas,monospace}
.toast{position:fixed;right:20px;bottom:20px;background:#0f172a;color:#fff;padding:11px 16px;border-radius:9px;z-index:99;box-shadow:0 8px 24px rgba(0,0,0,.25);display:none}
.toast.err{background:var(--err)}
.toast.ok{background:var(--ok)}
.empty{color:var(--muted);text-align:center;padding:40px 10px}
.tag-list span{margin-right:4px}
@media(max-width:820px){.sidebar{width:64px;flex-basis:64px}.brand small,.nav button span{display:none}.main{padding:14px}}