:root{--line:#e5e7eb;--muted:#6b7280}
*{box-sizing:border-box}body{margin:0;font:15px/1.5 Inter,ui-sans-serif,system-ui,Segoe UI,Roboto,Helvetica,Arial;background:#f6f7fb;color:#0b0f19}
.top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line)}
.nav a,.nav form button{margin-right:8px}.btn{background:#111827;color:#fff;border:1px solid #0b1020;padding:8px 12px;border-radius:8px;text-decoration:none;cursor:pointer}
.btn.ghost{background:#fff;color:#111827;border-color:var(--line)}.input,textarea,select{width:100%;padding:8px 10px;border:1px solid #e5e7eb;border-radius:8px;background:#fff;font:inherit}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin:16px;padding:14px}.muted{color:var(--muted)}
table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:8px 10px;border-bottom:1px solid #e5e7eb;vertical-align:top}
th{font-size:12px;color:#6b7280;text-transform:uppercase;letter-spacing:.6px;text-align:left}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.inline-row{display:none}.inline-row.active{display:table-row;background:#fcfcff}td .stack{display:flex;flex-direction:column;gap:6px}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;border:1px solid #e5e7eb;font-size:12px}.badge.in{background:#eff6ff;color:#1e40af}.badge.out{background:#fff1f2;color:#7f1d1d}
.drop{border:2px dashed #e5e7eb;border-radius:10px;padding:6px;text-align:center}.drop.drag{background:#f0f9ff;border-color:#93c5fd}.brand-chip{display:inline-block;padding:2px 8px;border:1px solid #e5e7eb;border-radius:999px;background:#fff}
.notice{padding:10px;border:1px solid #e5e7eb;border-radius:8px;background:#fefce8}