body {
    font-family: 'Inter', Arial, sans-serif;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.pin-wrapper {
    background: var(--primary-color);
    padding: 2rem;
    border-radius: 16px;
    max-width: 450px;
    width: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    display: block;
    margin: 0 auto 1.5rem;
    max-width: 120px;
    height: auto;
}

.pin-wrapper h2 {
    text-align: center;
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.input-group {
    margin-bottom: 1rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--light-color);
}

.input-group input {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid #dfe6e9;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

button[type="submit"] {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    border: 2px solid var(--bg-color);
    /* Add border */
    padding: 0.75rem;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

button[type="submit"]:hover {
    background-color: var(--bg-color);
    /* keep or change color */
    border-color: var(--bg-color);
    color: var(--dark-color);
    /* optional border color change */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    /* shadow on hover */
}

.message {
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
    color: var(--redAlert-color);
}

.message.success {
    background-color: var(--bg-color);
    color: #ffffff;
}