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

        body {
            font-family: 'Tajawal', sans-serif;
            background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #1e40af 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            color: #333;
        }

        .login-container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            width: 100%;
            max-width: 900px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 600px;
        }

        .login-info {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: white;
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .login-info::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            animation: float 20s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(1deg); }
        }

        .system-logo {
            width: 100px;
            height: 100px;
            background: rgba(59, 130, 246, 0.2);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 2rem;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            z-index: 1;
        }

        .system-logo i {
            font-size: 2.5rem;
            color: #60a5fa;
        }

        .system-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .system-description {
            font-size: 1.1rem;
            opacity: 0.9;
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        .login-form {
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .form-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .form-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1e293b;
            margin-bottom: 0.5rem;
        }

        .form-subtitle {
            color: #64748b;
            font-size: 1rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: #374151;
            font-size: 0.9rem;
        }

        .form-input {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e5e7eb;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: #f9fafb;
            font-family: 'Tajawal', sans-serif;
        }

        .form-input:focus {
            outline: none;
            border-color: #3b82f6;
            background: white;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        .input-icon {
            position: relative;
        }

        .input-icon i {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: #9ca3af;
            transition: color 0.3s ease;
        }

        .input-icon .form-input {
            padding-left: 3rem;
        }

        .input-icon .form-input:focus + i {
            color: #3b82f6;
        }

        .login-btn {
            width: 100%;
            padding: 1rem;
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'Tajawal', sans-serif;
            margin-top: 1rem;
            position: relative;
            overflow: hidden;
        }

        .login-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s ease;
        }

        .login-btn:hover::before {
            left: 100%;
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
        }

        .login-btn:active {
            transform: translateY(0);
        }

        .login-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none;
        }

        .error-message {
            background: #fef2f2;
            color: #dc2626;
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            border: 1px solid #fecaca;
            font-size: 0.9rem;
            display: none;
        }

        .back-link {
            text-align: center;
            margin-top: 2rem;
        }

        .back-link a {
            color: #6b7280;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .back-link a:hover {
            color: #3b82f6;
        }

        .loading-spinner {
            display: none;
            margin-right: 0.5rem;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .security-features {
            margin-top: 2rem;
            padding: 1.5rem;
            background: #f8fafc;
            border-radius: 10px;
            border: 1px solid #e2e8f0;
        }

        .security-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: #374151;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .security-list {
            list-style: none;
            padding: 0;
        }

        .security-list li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
            font-size: 0.8rem;
            color: #6b7280;
        }

        .security-list i {
            color: #10b981;
            font-size: 0.7rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .login-container {
                grid-template-columns: 1fr;
                max-width: 400px;
            }

            .login-info {
                padding: 2rem;
                min-height: 200px;
            }

            .system-title {
                font-size: 1.5rem;
            }

            .system-description {
                font-size: 1rem;
            }

            .login-form {
                padding: 2rem;
            }

            .form-title {
                font-size: 1.5rem;
            }
        }

        /* Success Animation */
        .success-animation {
            display: none;
            text-align: center;
            padding: 2rem;
        }

        .checkmark {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: #10b981;
            display: inline-block;
            position: relative;
            margin-bottom: 1rem;
        }

        .checkmark::after {
            content: '';
            width: 20px;
            height: 35px;
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -60%) rotate(45deg);
            border: 3px solid white;
            border-top: none;
            border-left: none;
        }

        .success-text {
            color: #10b981;
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .redirect-text {
            color: #6b7280;
            font-size: 0.9rem;
        }