:root{--bg:#f5f7fb;--panel:#fff;--text:#18212f;--muted:#667085;--border:#e4e7ec;--primary:#175cd3;--primary-dark:#1849a9;--danger:#b42318;--danger-bg:#fee4e2;--success:#067647;--success-bg:#dcfae6;--warning:#b54708;--warning-bg:#fef0c7;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}.topbar{background:#101828;color:#fff;box-shadow:var(--shadow)}.topbar-inner{min-height:64px;display:flex;align-items:center;gap:24px}.brand{font-weight:800;font-size:20px}.nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.nav a,.nav button{color:#d0d5dd;background:transparent;border:0;padding:10px 12px;border-radius:8px;font:inherit;cursor:pointer}.nav a:hover,.nav a.active,.nav button:hover{background:#344054;color:#fff}.push{margin-left:auto}.page{padding:28px 0 48px}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.page-header h1{margin:0 0 4px;font-size:28px}.muted{color:var(--muted)}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:20px}.stat .value{font-size:32px;font-weight:800;margin-top:8px}.status-card{border-left:6px solid #98a2b3}.status-card.locked{border-left-color:var(--success)}.status-card.unlocked{border-left-color:var(--danger);background:var(--danger-bg)}.status-card.unknown{border-left-color:#98a2b3}.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700}.badge.locked{background:var(--success-bg);color:var(--success)}.badge.unlocked{background:var(--danger-bg);color:var(--danger)}.badge.neutral{background:#f2f4f7;color:#344054}.badge.warning{background:var(--warning-bg);color:var(--warning)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:8px;padding:10px 14px;font-weight:700;font-size:14px;cursor:pointer}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#fff;color:#344054;border-color:#d0d5dd}.btn-danger{background:var(--danger);color:#fff}.actions{display:flex;gap:8px;flex-wrap:wrap}.form-group{margin-bottom:16px}.form-label{display:block;font-weight:700;margin-bottom:6px}.form-control,.form-select{width:100%;padding:10px 12px;border:1px solid #d0d5dd;border-radius:8px;background:#fff;color:var(--text);font:inherit}.form-control:focus,.form-select:focus{outline:3px solid #d1e9ff;border-color:#53b1fd}.checkbox{display:flex;align-items:center;gap:8px}.error{color:var(--danger);font-size:13px;margin-top:5px}.alert{padding:12px 14px;border-radius:8px;margin-bottom:16px}.alert-success{background:var(--success-bg);color:var(--success)}.alert-error{background:var(--danger-bg);color:var(--danger)}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border);vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:12px;background:#fff}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(430px,100%)}.scan-actions{display:grid;grid-template-columns:1fr 1fr;gap:16px}.scan-button{min-height:110px;font-size:22px}.scan-button.locked{background:var(--success);color:#fff}.scan-button.unlocked{background:var(--danger);color:#fff}.qr-preview{width:min(360px,100%);background:#fff;border:1px solid var(--border);padding:12px;border-radius:12px}.pagination{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px}.pagination a,.pagination span{padding:7px 10px;border:1px solid var(--border);border-radius:7px;background:#fff}.filters{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;align-items:end}.text-danger{color:var(--danger)}.text-success{color:var(--success)}@media(max-width:900px){.grid-4,.filters{grid-template-columns:repeat(2,1fr)}.topbar-inner{align-items:flex-start;padding:12px 0;flex-direction:column}.push{margin-left:0}.nav{width:100%}}@media(max-width:600px){.grid-4,.grid-2,.filters,.scan-actions{grid-template-columns:1fr}.page-header{flex-direction:column}.container{width:min(100% - 20px,1180px)}}