/* Modal styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.visible {
    visibility: visible;
    opacity: 1;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 25px var(--shadow-strong);
    position: relative;
    max-width: 500px;
    width: 90%;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal-overlay.visible .modal-content {
    transform: translateY(0);
}

.modal-content h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 2rem;
}

.close-button {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--secondary-color);
    cursor: pointer;
    transition: color 0.2s ease;
}

.close-button:hover {
    color: var(--primary-color);
}

.login-form .form-group {
    margin-bottom: 20px;
}