:root{--bg:#f5f7fb;--card:#fff;--line:#dfe5ee;--text:#17202a;--muted:#667085;--blue:#175cd3}*{box-sizing:border-box}body{margin:0;font:14px/1.5 system-ui,Segoe UI,Arial;background:var(--bg);color:var(--text)}a{color:var(--blue);text-decoration:none}.top{background:#0f172a;color:#fff;padding:18px 28px;display:flex;justify-content:space-between;align-items:center}.top a{color:#fff}.top nav{display:flex;gap:16px;align-items:center}.wrap{max-width:1400px;margin:28px auto;padding:0 20px}footer{text-align:center;color:var(--muted);padding:30px}.head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px}h1{margin:0 0 8px}.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:#17202a;padding:9px 14px;border-radius:9px;font-weight:650;cursor:pointer}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.danger{color:#b42318;background:#fff1f0}.btn.small{padding:5px 9px;font-size:12px}.panel,.auth,.upload{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.auth{max-width:450px;margin:70px auto}.search{display:flex;gap:10px;margin-bottom:14px}.search input{max-width:600px}label{display:block;font-weight:650;margin:10px 0 5px}input,textarea,select{width:100%;padding:10px;border:1px solid #ccd5e1;border-radius:8px;font:inherit}.grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}.wide{grid-column:span 2}.table{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse}th,td{padding:12px 14px;border-bottom:1px solid #edf0f4;text-align:left;vertical-align:top}th{background:#f8fafc;color:#475467;font-size:12px}td small{display:block;color:var(--muted)}.cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}.card{max-width:100%;max-height:520px;object-fit:contain;border:1px solid var(--line);border-radius:10px}.upload{text-align:center;max-width:720px;margin:30px auto;padding:55px}.upload .icon{font-size:56px}.alert{padding:12px;border-radius:10px;margin:15px 0}.alert.error{background:#fff1f0;color:#912018;border:1px solid #fecdca}.alert.success{background:#ecfdf3;color:#05603a;border:1px solid #abefc6}.dup{background:#fffaeb;border:1px solid #fedf89;padding:12px;border-radius:10px;margin:15px 0}dl{display:grid;grid-template-columns:150px 1fr;gap:8px 14px}dt{color:var(--muted)}dd{margin:0}.muted{color:var(--muted)}@media(max-width:900px){.top,.head{align-items:flex-start;flex-direction:column}.top nav{flex-wrap:wrap}.cols,.grid{grid-template-columns:1fr}.wide{grid-column:auto}}
.action-preview{max-width:330px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.action-list{display:flex;flex-direction:column;gap:10px}.action-item{padding:14px 16px;border:1px solid #e3e8ef;border-radius:10px;background:#fafcff}.action-note{font-size:14px;margin-bottom:6px}.action-form{margin-bottom:18px}.action-form textarea{max-width:900px}
.action-edit-form textarea{margin:0 0 8px}.action-edit-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}.action-edit-bottom .muted{flex:1}@media(max-width:700px){.action-edit-bottom{align-items:flex-start;flex-direction:column}}