:root {
            --primary-color: #4e54c8;
            --secondary-color: #8f94fb;
        }

        body {
            font-family: "Cairo", sans-serif;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
            background-size: 400% 400%;
            animation: gradientBG 15s ease infinite;
        }

        .login-page {
            flex: 1;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 32px 16px;
        }

        @keyframes gradientBG {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .login-box {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 40px;
            width: 100%;
            max-width: 400px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.2);
            border: 1px solid rgba(255,255,255,0.5);
            animation: fadeInUp 0.8s ease-out;
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .login-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .login-header h2 {
            font-family: "Tajawal", sans-serif;
            color: #333;
            font-weight: 700;
        }

        .login-header i {
            font-size: 50px;
            background: -webkit-linear-gradient(var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .form-control {
            border-radius: 10px;
            padding: 12px 15px;
            background: #f8f9fa;
            border: 2px solid transparent;
        }

        .form-control:focus {
            background: #fff;
            box-shadow: 0 0 0 4px rgba(78, 84, 200, 0.1);
            border-color: var(--secondary-color);
        }

        .btn-custom {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border: none;
            color: white;
            padding: 12px;
            border-radius: 50px;
            font-weight: 600;
            transition: .3s;
        }

        .btn-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(78, 84, 200, 0.4);
        }