body {
    background: linear-gradient(135deg, #fffdfd, #a2a2a2 100%);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #333;
    & form {
        background: white;
        padding: 2.5rem;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        width: 100%;
        max-width: 400px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        & h1 {
            width: fit-content;
            margin: 0 auto;
        }
        & div {
            margin-bottom: 1.5rem;
        }

        & label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }

        & input {
            width: -webkit-fill-available;
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        & input:focus {
            border-color: #667eea;
            outline: none;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
        }

        & button {
            width: 100%;
            padding: 14px;
            background: linear-gradient(to right, #667eea, #764ba2);
            border: none;
            border-radius: 8px;
            color: white;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        & button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }

        & button:active {
            transform: translateY(0);
        }
        .error {
            display: flex;
            color: red;
        }
        .d-none {
            display: none;
        }
    }
}