/* 依据 /workspace/douyin-ui/design-spec.md */
:root{--primary:#2563EB;--primary-d:#1D4ED8;--nav:#0F1F3D;--nav-on:#1E3A8A;--bg:#F4F6FB;--card:#fff;--text:#1F2937;--muted:#6B7280;--border:#E5E7EB;--radius:12px}
*{box-sizing:border-box}body{margin:0;font-family:"Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--primary);text-decoration:none}
.layout{display:flex;min-height:100vh}
.side{width:220px;flex-shrink:0;background:var(--nav);color:#C7D2FE;padding:22px 14px}
.logo{color:#fff;font-size:18px;font-weight:700;margin-bottom:28px;display:flex;gap:8px;align-items:center}
.logo b{background:linear-gradient(135deg,#3B82F6,#22C55E);width:30px;height:30px;border-radius:8px;display:inline-block}
.side a{display:block;padding:11px 14px;border-radius:8px;margin-bottom:4px;color:#C7D2FE}
.side a:hover{background:rgba(255,255,255,.06)}.side a.on{background:var(--nav-on);color:#fff;font-weight:600}
.side .logout{margin-top:28px;background:none;border:1px solid #334155;color:#C7D2FE;border-radius:8px;padding:6px 12px;cursor:pointer}
.main{flex:1;padding:22px 28px;min-width:0}
.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px;flex-wrap:wrap}
h1{font-size:22px;font-weight:700;margin:0}.sub{color:var(--muted);font-size:13px;margin-top:4px}
h2,h3{font-size:15px;font-weight:600;margin:0 0 12px}
.card{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:0 1px 3px rgba(0,0,0,.06);margin-bottom:16px}
.ai{background:linear-gradient(135deg,#EEF2FF,#ECFEFF);border:1px solid #C7D2FE}
.bubble{display:block;background:#fff;border-radius:10px;padding:12px 14px;margin-top:10px;line-height:1.7;cursor:pointer;border:1px solid transparent}
.bubble:has(input:checked){border-color:var(--primary)}
.btn{display:inline-block;border:1px solid var(--primary);background:var(--primary);color:#fff;padding:9px 18px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;font-family:inherit}
.btn:hover{background:var(--primary-d)}
.btn2,.btn.ghost{display:inline-block;background:#fff;border:1px solid #D1D5DB;color:#374151;padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:400;font-family:inherit}
.btn2:hover,.btn.ghost:hover{background:#F9FAFB}
.btn.danger{background:#fff;color:#B91C1C;border-color:#FCA5A5;font-weight:400}.btn.sm,.btn2.sm{padding:4px 10px;font-size:12px}
input,select,textarea{border:1px solid #D1D5DB;border-radius:8px;padding:8px 10px;font-size:14px;font-family:inherit;background:#fff}
input:focus,textarea:focus,select:focus{outline:2px solid #BFD3FE;border-color:var(--primary)}
table{width:100%;border-collapse:collapse}th{text-align:left;color:var(--muted);font-weight:500;font-size:12px;padding:10px 8px;border-bottom:1px solid var(--border)}
td{padding:12px 8px;border-bottom:1px solid #F1F5F9;vertical-align:middle}
.tag{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}
.g{background:#DCFCE7;color:#15803D}.y{background:#FEF3C7;color:#B45309}.r{background:#FEE2E2;color:#B91C1C}.b{background:#DBEAFE;color:#1D4ED8}.n{background:#F3F4F6;color:#4B5563}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:8px}.flash.ok{background:#DCFCE7;color:#15803D}.flash.error{background:#FEE2E2;color:#B91C1C}.flash.warn{background:#FEF3C7;color:#B45309}
.note{padding:12px;background:#EFF6FF;border-radius:8px;color:#1E40AF;line-height:1.7}.note.warn{background:#FFFBEB;color:#B45309}
.muted{color:var(--muted)}.k{font-size:12px;color:var(--muted)}.v{font-size:26px;font-weight:700;margin-top:6px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.grid{display:grid;gap:16px}.g2{grid-template-columns:1fr 1.3fr}.g4{grid-template-columns:repeat(4,1fr)}
.thumb{width:64px;height:86px;border-radius:8px;object-fit:cover;background:linear-gradient(160deg,#1E293B,#475569);display:inline-block;vertical-align:middle}
.qr{width:200px;height:200px;margin:18px auto;display:block;border:10px solid #fff;outline:1px solid var(--border)}
mark.banned{background:#FECACA;color:#991B1B;border-radius:4px;padding:0 2px}
.chip{display:inline-block;padding:4px 10px;border-radius:20px;margin:3px;cursor:pointer;font-size:12px;font-weight:600;background:#fff;color:#6B7280;border:1px solid var(--border)}
.chip.on{background:#DBEAFE;color:#1D4ED8;border-color:#BFDBFE}.chip.bad{background:#FEF3C7;color:#B45309}
.issues{color:#B45309;font-size:12px}.err{color:#B91C1C;font-size:12px}
.phone{width:240px;height:420px;margin:0 auto;border-radius:16px;background:#000;object-fit:contain;display:block}
.mockbar{background:#FEF3C7;color:#92400E;padding:6px 12px;border-radius:8px;margin-bottom:12px;font-size:13px}
.demo{position:fixed;right:20px;bottom:14px;color:#9CA3AF;font-size:12px}
label.block{display:block;margin:12px 0 4px;font-weight:500}.w100{width:100%}
@media(max-width:900px){.g2,.g4{grid-template-columns:1fr}.side{width:160px}}