:root {
            --primary: #4361ee;
            --secondary: #3a0ca3;
            --accent: #4cc9f0;
            --light: #f8f9fa;
            --dark: #212529;
            --success: #4bb543;
            --error: #dc3545;
            --warning: #ffc107;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            color: white;
        }
        
        /* Navigation */
        .navbar {
            background-color: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
        }
        
        .nav-container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 1.5rem;
            font-weight: 600;
            color: white;
            text-decoration: none;
        }
        
        .logo img {
            height: 40px;
            margin-right: 10px;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 1.5rem;
        }
        
        .nav-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        
        .nav-links a:hover, 
        .nav-links a.active {
            color: white;
            background-color: rgba(255, 255, 255, 0.15);
        }
        
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* Alert Styles */
        .alert-container {
            position: fixed;
            top: 100px;
            right: 20px;
            z-index: 1000;
            max-width: 400px;
        }
        
        .alert {
            padding: 1rem 1.5rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            animation: slideIn 0.3s ease;
        }
        
        .alert-success {
            background: var(--success);
            color: white;
            border-left: 4px solid #3a9c35;
        }
        
        .alert-error {
            background: var(--error);
            color: white;
            border-left: 4px solid #c82333;
        }
        
        .alert-warning {
            background: var(--warning);
            color: var(--dark);
            border-left: 4px solid #e0a800;
        }
        
        @keyframes slideIn {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        
        /* Login Container */
        .login-container {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem 1rem;
        }
        
        .login-card {
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
            overflow: hidden;
            width: 100%;
            max-width: 450px;
            color: var(--dark);
        }
        
        .login-header {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            padding: 2.5rem 2rem;
            text-align: center;
        }
        
        .login-header h1 {
            font-weight: 600;
            margin-bottom: 0.5rem;
            font-size: 1.8rem;
        }
        
        .login-header p {
            opacity: 0.9;
            font-weight: 400;
        }
        
        .login-body {
            padding: 2.5rem 2rem;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-label {
            display: block;
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }
        
        .form-control {
            width: 100%;
            padding: 0.9rem 1rem;
            border-radius: 8px;
            border: 1px solid #e1e5e9;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        
        .password-input {
            position: relative;
        }
        
        .toggle-password {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: #6c757d;
            cursor: pointer;
            font-size: 1.2rem;
        }
        
        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }
        
        .remember-me {
            display: flex;
            align-items: center;
        }
        
        .remember-me input {
            margin-right: 0.5rem;
        }
        
        .forgot-password {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        
        .forgot-password:hover {
            color: var(--secondary);
        }
        
        .login-btn {
            width: 100%;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .login-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }
        
        .login-btn i {
            margin-right: 0.5rem;
        }
        
        .login-btn:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 7px 15px rgba(67, 97, 238, 0.4);
        }
        
        .register-link {
            text-align: center;
            margin-top: 1.5rem;
            color: #6c757d;
        }
        
        .register-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        
        .register-link a:hover {
            color: var(--secondary);
        }
        
        /* Status Indicators */
        .status-active {
            color: var(--success);
            font-weight: 600;
        }
        
        .status-inactive {
            color: var(--error);
            font-weight: 600;
        }
        
        /* Footer */
        .footer {
            background-color: rgba(0, 0, 0, 0.1);
            padding: 1.5rem 0;
            text-align: center;
            margin-top: auto;
        }
        
        .footer p {
            opacity: 0.8;
        }
        
        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: rgba(255, 255, 255, 0.95);
                flex-direction: column;
                padding: 1rem 0;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
                z-index: 1000;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links li {
                margin: 0;
            }
            
            .nav-links a {
                display: block;
                padding: 0.8rem 1.5rem;
                color: var(--dark);
            }
            
            .nav-links a:hover,
            .nav-links a.active {
                background-color: rgba(67, 97, 238, 0.1);
                color: var(--primary);
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .login-body {
                padding: 2rem 1.5rem;
            }
            
            .alert-container {
                left: 20px;
                right: 20px;
                max-width: none;
            }
        }