:root{--bg: #f6f7fb;--panel: #ffffff;--border: #e3e6ef;--text: #1d2433;--muted: #6b7280;--primary: #4f46e5;--primary-hover: #4338ca;--danger: #dc2626;--success: #16a34a;--warning: #ca8a04;--row-hover: #f5f6fa}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Pretendard,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;height:100%}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);padding:20px 12px;flex-shrink:0}.sidebar h1{font-size:16px;margin:0 0 24px 8px;color:var(--text)}.sidebar nav{display:flex;flex-direction:column;gap:2px}.sidebar nav a{display:block;padding:8px 12px;border-radius:6px;color:var(--text);font-weight:500}.sidebar nav a:hover{background:var(--row-hover);text-decoration:none}.sidebar nav a.active{background:var(--primary);color:#fff}.main{flex:1;overflow:auto}.topbar{background:var(--panel);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;justify-content:space-between;align-items:center}.topbar .user{color:var(--muted);font-size:13px}.topbar button.logout{background:none;border:1px solid var(--border);padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12px;color:var(--muted)}.topbar button.logout:hover{color:var(--danger);border-color:var(--danger)}.content{padding:24px;max-width:1400px}.page-title{font-size:20px;font-weight:700;margin:0 0 16px}.page-actions{margin-bottom:16px;display:flex;gap:8px;align-items:center}.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px}.card+.card{margin-top:16px}button,.btn{font-family:inherit;font-size:13px;padding:7px 14px;border-radius:6px;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;font-weight:500}button:hover,.btn:hover{background:var(--row-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.primary,.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover,.btn.primary:hover{background:var(--primary-hover)}button.danger,.btn.danger{color:var(--danger);border-color:var(--danger)}button.danger:hover{background:var(--danger);color:#fff}.form-row{margin-bottom:14px}.form-row label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.4px}input,textarea,select{font-family:inherit;font-size:14px;width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary)}textarea{min-height:80px;resize:vertical}.form-actions{display:flex;gap:8px;margin-top:16px}.form-error{color:var(--danger);font-size:12px;margin-top:4px}.form-hint{color:var(--muted);font-size:12px;margin-top:4px}.table-wrap{overflow-x:auto}table.data{width:100%;border-collapse:collapse;background:var(--panel)}table.data th,table.data td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);vertical-align:middle}table.data th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);background:#fafbfc}table.data tbody tr:hover{background:var(--row-hover)}table.data .actions{white-space:nowrap}table.data .actions button{margin-right:4px}.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;background:#eef0f6;color:var(--muted)}.badge.active{background:#dcfce7;color:var(--success)}.badge.inactive{background:#fee2e2;color:var(--danger)}.badge.warning{background:#fef3c7;color:var(--warning)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px}.stat-card .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}.stat-card .value{font-size:24px;font-weight:700;margin-top:6px}.modal-backdrop{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:var(--panel);border-radius:8px;padding:20px;max-width:600px;width:90%;max-height:85vh;overflow-y:auto}.modal h2{margin:0 0 16px;font-size:16px}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.auth-card{background:var(--panel);padding:32px;border-radius:12px;width:100%;max-width:360px;border:1px solid var(--border)}.auth-card h1{font-size:18px;margin:0 0 8px}.auth-card p.hint{color:var(--muted);font-size:13px;margin:0 0 20px}.auth-card input.totp{font-size:22px;text-align:center;letter-spacing:6px;font-family:ui-monospace,SFMono-Regular,monospace}.muted{color:var(--muted)}.empty{padding:32px;text-align:center;color:var(--muted);font-size:13px}.spinner{color:var(--muted);padding:16px}.flex{display:flex;gap:8px;align-items:center}.flex-between{display:flex;justify-content:space-between;align-items:center}.mono{font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px}