.first-visit-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.first-visit-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.first-visit-modal {
    background-color: var(--color-card-bg);
    border-radius: 15px;
    padding: 2.5rem 2rem 2rem 2rem;
    max-width: 550px;
    width: 90%;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    color: var(--color-base-black);
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.first-visit-overlay.is-visible .first-visit-modal {
    transform: translateY(0);
}

.first-visit-modal__logo {
    height: 50px;
    width: auto;
    margin-bottom: 1.5rem;
}

.first-visit-modal__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-deep);
    margin-bottom: 1rem;
}

.first-visit-modal__text {
    font-size: 0.95rem;
    line-height: 1.7;
    text-align: left;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.first-visit-modal__text strong {
    color: var(--color-danger-red);
}

.first-visit-modal__btn {
    display: inline-block;
    padding: 12px 36px;
    background-color: var(--color-btn-green);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: filter 0.3s ease, transform 0.2s ease;
}

.first-visit-modal__btn:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.first-visit-modal__btn:active {
    transform: translateY(0);
}

html.dark-mode .first-visit-modal {
    background-color: #111d33;
}

html.dark-mode .first-visit-modal__title {
    color: #00cc88;
}

@media (max-width: 800px) {
    .first-visit-modal {
        padding: 2rem 1.5rem 1.5rem 1.5rem;
    }
    
    .first-visit-modal__title {
        font-size: 1.25rem;
    }
    
    .first-visit-modal__text {
        font-size: 0.9rem;
    }
}