:root{--coffee:#5b3a29;--deep:#2a1d18;--cream:#f8f2ea;--line:#eadfd4;--muted:#8b7566;--green:#4f7d5a;--red:#b05a4a;--shadow:0 16px 35px rgba(42,29,24,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--deep);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}.layout{display:flex;min-height:100vh}.sidebar{width:230px;background:#2a1d18;color:#fff;padding:26px 18px;position:fixed;inset:0 auto 0 0}.brand{font-size:22px;font-weight:800;letter-spacing:.08em;margin-bottom:28px}.nav a{display:block;color:#e8d8c8;text-decoration:none;padding:13px 14px;border-radius:14px;margin:5px 0}.nav a:hover,.nav a.active{background:#4b3024;color:#fff}.main{margin-left:230px;flex:1;padding:30px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:22px;margin-bottom:20px}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.stat{font-size:34px;font-weight:800;color:var(--coffee)}.muted{color:var(--muted);font-size:13px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:11px 13px;background:#fff;font:inherit}textarea{min-height:90px}.btn{border:0;background:var(--coffee);color:#fff;border-radius:14px;padding:11px 16px;cursor:pointer;text-decoration:none;display:inline-block}.btn.secondary{background:#eee2d7;color:var(--deep)}.btn.danger{background:var(--red)}.btn.small{padding:7px 10px;border-radius:10px;font-size:12px}table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}th,td{text-align:left;border-bottom:1px solid #f0e7de;padding:12px 10px;font-size:14px}th{background:#f7efe7;color:#6d5545}.thumb{width:90px;height:56px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}.floor{position:relative;min-height:360px;border:1px dashed var(--line);border-radius:20px;background:#fcfaf7;overflow:hidden}.floor img{width:100%;display:block}.seat-pin{position:absolute;background:rgba(91,58,41,.9);color:#fff;border-radius:12px;padding:8px 10px;font-size:12px;text-align:center}.flash{background:#fff6d8;border:1px solid #f0db8d;padding:12px 14px;border-radius:14px;margin-bottom:16px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:390px;background:#fff;border-radius:28px;padding:34px;box-shadow:var(--shadow)}.actions{display:flex;gap:8px;flex-wrap:wrap}.qr{width:96px;height:96px;border:1px solid var(--line);border-radius:12px;background:#fff}
@media(max-width:900px){.sidebar{position:static;width:100%;height:auto}.layout{display:block}.main{margin-left:0}.grid-4,.grid-2,.form-grid{grid-template-columns:1fr}}