:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#3b82f6;--secondary:#0f172a;--secondary-light:#1e293b;--accent:#06b6d4;--success:#10b981;--success-dark:#059669;--warning:#f59e0b;--warning-dark:#d97706;--danger:#ef4444;--danger-dark:#dc2626;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--white:#ffffff;--shadow-sm:0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow:0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);--shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);--shadow-xl:0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);--radius-sm:4px;--radius:8px;--radius-lg:12px;--radius-xl:16px;--transition:0.2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;background-color:var(--gray-100);min-height:100vh;color:var(--gray-700);line-height:1.5;-webkit-font-smoothing:antialiased}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 50%, var(--primary-dark) 100%);padding:20px}.login-box{background:var(--white);padding:36px 32px;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:400px}.login-box h1{text-align:center;color:var(--secondary);margin-bottom:24px;font-size:24px;font-weight:700;letter-spacing:-0.5px}.login-box .logo{text-align:center;margin-bottom:16px;font-size:48px}.form-group{margin-bottom:14px}.form-group label{display:block;margin-bottom:6px;color:var(--gray-700);font-weight:600;font-size:13px}.form-group input, .form-group select{width:100%;padding:10px 14px;border:2px solid var(--gray-200);border-radius:var(--radius);font-size:14px;transition:all var(--transition);background:var(--white);color:var(--gray-800)}.form-group input:hover, .form-group select:hover{border-color:var(--gray-300)}.form-group input:focus, .form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37, 99, 235, 0.1)}.form-group input::placeholder{color:var(--gray-400)}.btn{padding:12px 24px;border:none;border-radius:var(--radius);cursor:pointer;font-size:14px;font-weight:600;transition:all var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}.btn:active{transform:scale(0.98)}.btn:disabled{opacity:0.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);color:var(--white);width:100%;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 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a{color:var(--gray-400);text-decoration:none;display:flex;align-items:center;font-size:13px;font-weight:500;transition:color var(--transition)}.sidebar-footer a:hover{color:var(--danger)}.main-content{flex:1;margin-left:240px;padding:20px 28px;background:var(--gray-100)}.page-header{margin-bottom:16px}.page-header h1{color:var(--secondary);font-size:24px;font-weight:700;letter-spacing:-0.5px}.page-header p{color:var(--gray-500);margin-top:4px;font-size:14px}.card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:18px;margin-bottom:16px;border:1px solid var(--gray-200)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--gray-200)}.card-header h2{font-size:16px;font-weight:700;color:var(--secondary);letter-spacing:-0.3px}.card-header > div{display:flex;gap:8px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(200px, 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th.sortable.desc::after{content:'↓';opacity:1;color:var(--primary)}table tbody tr{transition:background var(--transition)}table tbody tr:hover{background:var(--gray-50)}table tbody tr:last-child td{border-bottom:none}table code{background:var(--gray-100);padding:4px 8px;border-radius:var(--radius-sm);font-size:13px;color:var(--gray-700);font-family:'SF Mono', Monaco, 'Courier New', monospace}.loading{text-align:center;padding:30px;color:var(--gray-500);font-size:14px}.loading::after{content:'';display:inline-block;width:20px;height:20px;border:3px solid var(--primary);border-radius:50%;border-top-color:transparent;animation:spin 0.8s linear infinite;margin-left:12px;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}.badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:100px;font-size:11px;font-weight:600;letter-spacing:0.3px}.badge-success{background:#dcfce7;color:#166534}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:#e0f2fe;color:#075985}@media (max-width:768px){.sidebar{width:100%;height:auto;position:relative}.sidebar-footer{position:relative;margin-top:8px;padding:16px 24px;border-top:none}.main-content{margin-left:0;padding:24px 20px}.app-container{flex-direction:column}.stats-grid{grid-template-columns:1fr}.page-header h1{font-size:26px}.card{padding:20px}}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(15, 23, 42, 0.6);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;padding:20px}.modal-content{background:var(--white);border-radius:var(--radius-xl);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:modalIn 0.2s ease-out}@keyframes modalIn{from{opacity:0;transform:scale(0.95) translateY(-10px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--gray-200)}.modal-header h2{margin:0;font-size:20px;font-weight:700;color:var(--secondary)}.modal-close{background:none;border:none;font-size:28px;cursor:pointer;color:var(--gray-400);line-height:1;padding:4px;border-radius:var(--radius-sm);transition:all var(--transition)}.modal-close:hover{color:var(--gray-600);background:var(--gray-100)}.modal-content form{padding:20px}.modal-content .form-group{margin-bottom:14px}.modal-content .form-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--gray-700);font-size:14px}.modal-content .form-group input, .modal-content .form-group select{width:100%;padding:10px 12px;border:2px solid var(--gray-200);border-radius:var(--radius);font-size:13px;transition:all var(--transition)}.modal-content .form-group input:focus, .modal-content .form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37, 99, 235, 0.1)}.form-row{display:flex;gap:16px}.form-row .form-group{flex:1}.form-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:14px;border-top:1px solid var(--gray-200);margin-top:8px}.features-container{border:2px solid var(--gray-200);border-radius:var(--radius);padding:12px;max-height:180px;overflow-y:auto;background:var(--gray-50)}.feature-checkbox{display:flex;align-items:center;padding:8px 10px;margin-bottom:4px;background:var(--white);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);border:1px solid var(--gray-200)}.feature-checkbox:last-child{margin-bottom:0}.feature-checkbox:hover{border-color:var(--primary);background:#eff6ff}.feature-checkbox input{margin-right:12px;width:18px !important;height:18px;accent-color:var(--primary)}.feature-name{font-weight:600;flex:1;color:var(--gray-700)}.feature-code{font-size:12px;color:var(--gray-500);font-family:'SF Mono', Monaco, monospace}.text-muted{color:var(--gray-500);font-size:14px;margin:0}.text-error{color:var(--danger)}.toast{position:fixed;bottom:24px;right:24px;padding:16px 24px;border-radius:var(--radius);color:var(--white);font-size:14px;font-weight:500;z-index:2000;opacity:0;transform:translateY(20px) scale(0.95);transition:all 0.3s ease;max-width:380px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px}.toast.show{opacity:1;transform:translateY(0) scale(1)}.toast-success{background:linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%)}.toast-error{background:linear-gradient(135deg, var(--danger) 0%, var(--danger-dark) 100%)}.toast-info{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%)}.confirm-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(15, 23, 42, 0.6);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:3000;padding:20px}.confirm-modal-content{background:var(--white);padding:28px;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:400px;width:100%;text-align:center;animation:modalIn 0.2s ease-out}.confirm-modal-content h3{margin-bottom:12px;color:var(--secondary);font-size:20px;font-weight:700}.confirm-modal-content p{margin-bottom:20px;color:var(--gray-600);font-size:14px;line-height:1.5}.confirm-modal-actions{display:flex;gap:12px;justify-content:center}.confirm-modal-actions .btn{min-width:110px}code{background:var(--gray-100);padding:2px 6px;border-radius:var(--radius-sm);font-size:13px;font-family:'SF Mono', Monaco, 'Courier New', monospace}small{font-size:12px;color:var(--gray-500)}strong{font-weight:600;color:var(--gray-800)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width:600px){.form-row{grid-template-columns:1fr}}.form-actions{display:flex;gap:12px;margin-top:16px}.message{padding:12px 16px;border-radius:var(--radius);margin-top:16px;font-size:14px}.message.success{background:rgba(16, 185, 129, 0.1);color:var(--success-dark);border:1px solid rgba(16, 185, 129, 0.3)}.message.error{background:rgba(239, 68, 68, 0.1);color:var(--danger-dark);border:1px solid rgba(239, 68, 68, 0.3)}.info-message{color:var(--primary);display:block;margin-top:8px}.info-text{color:var(--gray-600);font-size:14px;line-height:1.5;margin-bottom:16px}.warning-text{color:var(--warning-dark)}.otp-input{text-align:center;font-size:24px !important;letter-spacing:8px;font-family:'SF Mono', Monaco, 'Courier New', monospace;max-width:200px}.qr-container{background:var(--white);padding:20px;border-radius:var(--radius-lg);display:inline-block;margin:16px 0;border:2px solid var(--gray-200)}.qr-container img{display:block;max-width:200px;height:auto}.secret-code{display:block;background:var(--gray-100);padding:12px 16px;border-radius:var(--radius);font-size:14px;font-family:'SF Mono', Monaco, 'Courier New', monospace;word-break:break-all;border:1px solid var(--gray-200);margin-top:8px}.status-badge{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--radius);font-weight:600;font-size:14px;margin-bottom:16px}.status-badge.status-active{background:rgba(16, 185, 129, 0.1);color:var(--success-dark);border:1px solid rgba(16, 185, 129, 0.3)}.status-badge.status-inactive{background:var(--gray-100);color:var(--gray-600);border:1px solid var(--gray-200)}.status-badge.status-warning{background:rgba(245, 158, 11, 0.1);color:var(--warning-dark);border:1px solid rgba(245, 158, 11, 0.3)}.otp-status{padding:16px;background:var(--gray-50);border-radius:var(--radius);margin-bottom:16px}#otpDisableSection{margin-top:16px}#disableOtpForm{margin-top:16px;padding:16px;background:rgba(239, 68, 68, 0.05);border-radius:var(--radius);border:1px solid rgba(239, 68, 68, 0.2)}.help-text{font-size:12px;color:var(--gray-500);margin-top:4px}.btn-warning{background:linear-gradient(135deg, var(--warning) 0%, var(--warning-dark) 100%);color:var(--white)}.btn-warning:hover{background:linear-gradient(135deg, #fbbf24 0%, var(--warning) 100%);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--gray-200);color:var(--gray-700)}.btn-secondary:hover{background:var(--gray-300)}.pagination{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-top:1px solid var(--gray-200);background:var(--gray-50);border-radius:0 0 var(--radius) var(--radius);flex-wrap:wrap;gap:10px}.pagination-info{font-size:13px;color:var(--gray-600)}.pagination-controls{display:flex;align-items:center;gap:8px}.pagination-btn{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;padding:0 10px;border:1px solid var(--gray-300);background:var(--white);color:var(--gray-700);font-size:13px;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition)}.pagination-btn:hover:not(:disabled){background:var(--gray-100);border-color:var(--gray-400)}.pagination-btn:disabled{opacity:0.5;cursor:not-allowed}.pagination-btn.active{background:var(--primary);border-color:var(--primary);color:var(--white)}.pagination-select{height:32px;padding:0 8px;border:1px solid var(--gray-300);border-radius:var(--radius-sm);background:var(--white);font-size:13px;color:var(--gray-700);cursor:pointer}.pagination-select:focus{outline:none;border-color:var(--primary)}