body {
    background-color: #f8f9fa;
    font-family: 'Nunito', sans-serif;
}

.login_bg {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
}

#auth .card {
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
    margin: 20px;
}

#auth #auth-center {
    padding: 40px 30px;
}

#auth .login_heading {
    text-align: center;
    margin-bottom: 30px;
}

#auth .login_heading h3 {
    color: #333;
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 1.8rem;
}

#auth .login_heading p {
    margin-bottom: 0;
    color: #666;
    font-size: 0.95rem;
}

#auth .form-input {
    background-color: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 12px 16px;
    height: 50px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#auth .form-input:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.25);
    outline: none;
}

#auth .form-floating label {
    color: #666;
    font-size: 14px;
}

#auth .login_btn {
    height: 50px;
    width: 100%;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: var(--bs-primary);
}

#auth .login_btn:hover {
    background-color: #212121;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.form-control-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #666;
    z-index: 4;
}

.form-control-icon:hover {
    color: var(--bs-primary);
}

.invalid-feedback {
    font-size: 0.875rem;
    margin-top: 5px;
}

/* Mobile responsiveness */
@media screen and (max-width: 576px) {
    #auth #auth-center {
        padding: 30px 20px;
    }

    #auth .card {
        margin: 10px;
        border-radius: 8px;
    }

    #auth .login_heading h3 {
        font-size: 1.5rem;
    }
}

/* Dark theme support */
body.theme-dark {
    background-color: #1a1a1a;
}

body.theme-dark .login_bg {
    background-color: #1a1a1a;
}

body.theme-dark #auth .card {
    background-color: #2d3748;
    color: #fff;
}

body.theme-dark #auth .login_heading h3 {
    color: #fff;
}

body.theme-dark #auth .login_heading p {
    color: #a0aec0;
}

body.theme-dark #auth .form-input {
    background-color: #4a5568;
    border-color: #718096;
    color: #fff;
}

body.theme-dark #auth .form-floating label {
    color: #a0aec0;
}