:root {
            --primary: #0e3963;
            --primary-light: #5dade2;
            --secondary: #85c1e9;
            --accent: #e67e22;
            --light: #ffffff;
            --dark: #2c3e50;
            --success: #10B981;
            --warning: #F59E0B;
            --danger: #EF4444;
            --gray-100: #F3F4F6;
            --gray-200: #E5E7EB;
            --gray-300: #D1D5DB;
            --gray-400: #9CA3AF;
            --gray-500: #6B7280;
            --gray-600: #4B5563;
            --gray-700: #374151;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, rgba(14, 57, 99, 0.1) 0%, #f5f5f5 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            color: var(--dark);
        }

        .login-container {
            background: white;
            border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 420px;
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .logo-section {
            text-align: center;
            margin-bottom: 32px;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 24px;
            color: var(--primary);
        }

        .logo-icon {
            font-size: 28px;
            color: var(--primary);
        }

        .logo-text {
            font-size: 24px;
            font-weight: 700;
        }

        .welcome-text h1 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .welcome-text p {
            color: var(--gray-500);
            font-size: 14px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--gray-700);
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--gray-300);
            border-radius: 8px;
            font-size: 14px;
            transition: all 0.2s ease;
            font-family: inherit;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 57, 99, 0.1);
        }

        .btn {
            width: 100%;
            padding: 12px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background-color: #0a2a4a;
        }

        .error-message {
            color: var(--danger);
            font-size: 14px;
            margin-top: 5px;
            display: none;
        }

        @media (max-width: 480px) {
            .login-container {
                padding: 30px 20px;
            }
        }

        .staff-badge {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
        }

        .back-link {
            text-align: center;
            margin-top: 20px;
        }

        .back-link a {
            color: var(--primary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .back-link a:hover {
            text-decoration: underline;
        }

        .notification {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            background-color: #4CAF50;
            color: white;
            padding: 15px 30px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 10px;
            opacity: 0;
            transition: opacity 0.3s ease-in-out;
        }

        .notification.show {
            opacity: 1;
        }

        .notification.error {
            background-color: #f44336;
        }

        .notification-icon {
            width: 20px;
            height: 20px;
        }