*{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,sans-serif;background:#f1f5f9;color:#0f172a}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.center{display:flex;align-items:center;justify-content:center;min-height:100vh}.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:#0f172a;color:#e2e8f0;display:flex;flex-direction:column;padding:1.25rem}.brand{font-size:1.25rem;font-weight:700;margin-bottom:2rem;color:#fff}.sidebar nav{display:flex;flex-direction:column;gap:.25rem;flex:1}.sidebar nav a{padding:.6rem .75rem;border-radius:8px;color:#94a3b8}.sidebar nav a.active,.sidebar nav a:hover{background:#1e293b;color:#fff}.sidebar-foot{border-top:1px solid #334155;padding-top:1rem;font-size:.85rem}.sidebar-foot button{margin-top:.5rem;background:transparent;border:1px solid #475569;color:#cbd5e1;padding:.35rem .75rem;border-radius:6px;cursor:pointer}.main{flex:1;padding:2rem;overflow:auto}.page-title{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;margin-bottom:2rem}.card{background:#fff;border-radius:12px;padding:1.25rem;border:1px solid #e2e8f0;box-shadow:0 1px 2px #0000000a}.card .label{font-size:.8rem;color:#64748b;margin-bottom:.25rem}.card .value{font-size:1.75rem;font-weight:700}.table-wrap{background:#fff;border-radius:12px;border:1px solid #e2e8f0;overflow:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid #f1f5f9}th{background:#f8fafc;font-weight:600;color:#475569;font-size:.8rem}tr:hover td{background:#fafafa}.btn{display:inline-flex;align-items:center;gap:.35rem;padding:.5rem 1rem;border-radius:8px;border:none;cursor:pointer;font-weight:500;font-size:.875rem}.btn-primary{background:#4f46e5;color:#fff}.btn-secondary{background:#e2e8f0;color:#334155}.btn-danger{background:#fee2e2;color:#b91c1c}.btn-sm{padding:.35rem .65rem;font-size:.8rem}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.85rem;font-weight:500;margin-bottom:.35rem;color:#475569}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.6rem .75rem;border:1px solid #cbd5e1;border-radius:8px;background:#fff}.form-group textarea{min-height:120px;font-family:monospace;font-size:.85rem}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e1b4b)}.login-card{background:#fff;padding:2rem;border-radius:16px;width:100%;max-width:400px;box-shadow:0 25px 50px #00000040}.login-card h1{margin-bottom:.25rem}.login-card p{color:#64748b;margin-bottom:1.5rem;font-size:.9rem}.error{color:#b91c1c;font-size:.85rem;margin-bottom:1rem}.toolbar{display:flex;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap;align-items:center}.badge{display:inline-block;padding:.2rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge-ready{background:#dcfce7;color:#166534}.badge-qr{background:#fef9c3;color:#854d0e}.badge-off{background:#f1f5f9;color:#64748b}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:12px;padding:1.5rem;width:100%;max-width:480px}.modal h3{margin-bottom:1rem}.modal-actions{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1rem}.qr-box{background:#fff;padding:1.5rem;border-radius:12px;text-align:center;border:1px solid #e2e8f0;max-width:360px}.qr-box p{color:#64748b;font-size:.9rem;margin-top:1rem}