:root{--color-bg:#f4f6f8;--color-surface:#fff;--color-border:#e2e5e9;--color-text:#1a2230;--color-text-muted:#626c7a;--color-primary:#2054d6;--color-primary-hover:#1a44b3;--color-danger:#c62828;--color-danger-hover:#a11f1f;--color-success:#1b8a5a;--radius:8px;--shadow:0 1px 2px #1018280f, 0 1px 3px #10182814;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--color-bg);color:var(--color-text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:var(--color-primary)}.app-shell{min-height:100vh;display:flex}.sidebar{color:#d6dae3;background:#11182a;flex-direction:column;flex-shrink:0;width:240px;padding:20px 0;display:flex}.sidebar-brand{color:#fff;border-bottom:1px solid #ffffff14;margin-bottom:12px;padding:0 20px 20px;font-size:18px;font-weight:700}.sidebar nav{flex-direction:column;gap:2px;padding:0 10px;display:flex}.sidebar a{color:#b7bfcd;border-radius:6px;padding:10px 12px;font-size:14px;text-decoration:none}.sidebar a:hover{color:#fff;background:#ffffff0f}.sidebar a.active{background:var(--color-primary);color:#fff}.sidebar-footer{color:#8992a3;border-top:1px solid #ffffff14;margin-top:auto;padding:12px 20px 0;font-size:12px}.main-content{flex:1;max-width:1100px;padding:28px 36px}.page-header{margin-bottom:22px}.page-header h1{margin:0 0 4px;font-size:22px}.page-header p{color:var(--color-text-muted);margin:0;font-size:14px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;padding:20px}.card h2{margin-top:0;font-size:16px}.card-subtitle{color:var(--color-text-muted);margin-top:-8px;margin-bottom:16px;font-size:13px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--color-border);padding:10px 12px}th{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.03em;font-size:12px;font-weight:600}.badge{color:var(--color-text-muted);background:#eef1f6;border-radius:999px;margin-right:4px;padding:2px 8px;font-size:12px;display:inline-block}.badge-primary{color:var(--color-primary);background:#e6ecfc}.badge-success{color:var(--color-success);background:#e5f5ee}.badge-danger{color:var(--color-danger);background:#fbe9e9}form .field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}label{color:var(--color-text);font-size:13px;font-weight:600}input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{border:1px solid var(--color-border);color:var(--color-text);background:#fff;border-radius:6px;width:100%;padding:9px 11px;font-size:14px}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);outline:2px solid #b8c9f7}button,.btn{cursor:pointer;background:var(--color-primary);color:#fff;border:none;border-radius:6px;padding:9px 16px;font-size:14px;font-weight:600}button:hover{background:var(--color-primary-hover)}button:disabled{cursor:not-allowed;background:#a9b4c8}.btn-secondary{color:var(--color-text);border:1px solid var(--color-border);background:#fff}.btn-secondary:hover{background:#f4f6f8}.btn-danger{background:var(--color-danger)}.btn-danger:hover{background:var(--color-danger-hover)}.btn-row{align-items:center;gap:10px;display:flex}.alert{border-radius:6px;margin-bottom:16px;padding:10px 14px;font-size:14px}.alert-error{color:var(--color-danger);background:#fbe9e9;border:1px solid #f3c6c6}.alert-success{color:var(--color-success);background:#e5f5ee;border:1px solid #bfe6d3}.alert-warning{color:#8a5b00;background:#fff7e6;border:1px solid #ffe1a3}.login-page{background:var(--color-bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{width:360px}.help-text{color:var(--color-text-muted);font-size:12px}.checkbox-row{align-items:center;gap:8px;display:flex}.checkbox-row input{width:auto}