* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .container {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 400px;
            padding: 30px 25px;
            position: relative;
            z-index: 1;
        }

        h1 {
            color: #6e48aa;
            margin-bottom: 20px;
            text-align: center;
            font-size: 24px;
        }

        input {
            width: 100%;
            padding: 12px 15px;
            margin: 10px 0;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s ease;
        }

        input:focus {
            border-color: #9d50bb;
            box-shadow: 0 0 0 3px rgba(157, 80, 187, 0.2);
            outline: none;
        }

        .btn {
            background: linear-gradient(45deg, #6e48aa, #9d50bb);
            color: white;
            border: none;
            padding: 12px;
            border-radius: 8px;
            font-size: 16px;
            cursor: pointer;
            width: 100%;
            margin-top: 10px;
            transition: all 0.3s ease;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(110, 72, 170, 0.4);
        }

        .error {
            color: #ff4757;
            margin: 10px 0;
            text-align: center;
            font-size: 14px;
        }

        .form-switch {
            text-align: center;
            margin-top: 20px;
            color: #666;
            font-size: 14px;
        }

        .form-switch a {
            color: #6e48aa;
            font-weight: bold;
            text-decoration: underline;
        }

        .form-switch a:hover {
            color: #9d50bb;
        }

        .bg-animation {
            position: fixed;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 0;
        }

        @media (max-width: 480px) {
            .container {
                padding: 25px 15px;
                border-radius: 10px;
            }

            h1 {
                font-size: 20px;
            }

            input {
                font-size: 15px;
                padding: 10px 12px;
            }

            .btn {
                font-size: 15px;
                padding: 10px;
            }

            .form-switch {
                font-size: 13px;
            }
        }