/**
 * Album Page Carousel Styles
 * 
 * Styling for the interactive image carousel and related components
 * used on individual album pages.
 */

.carousel {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    background: var(--carousel-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    /* 1:1 aspect ratio - adjust as needed */
    background: var(--image-bg);
}

.carousel-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.carousel-image.active {
    opacity: 1;
}

.carousel-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.carousel-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
    z-index: 10;
}

.carousel-nav-btn {
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: background 0.2s;
}

.carousel-nav-btn:hover,
.carousel-nav-btn:focus {
    background: var(--button-hover);
    outline: none;
}

.carousel-counter {
    color: white;
    font-size: 14px;
    background: rgba(0, 0, 0, 0.6);
    padding: 4px 12px;
    border-radius: 20px;
}

.carousel-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--carousel-header-bg);
}

.carousel-title {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.btn-slideshow {
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-slideshow:hover,
.btn-slideshow:focus {
    background: var(--button-hover);
    outline: none;
}

.btn-slideshow.active {
    background: var(--accent-color);
}

/* Back home button styling */
.btn-home {
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.2s;
    margin-bottom: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-home:hover,
.btn-home:focus {
    background: var(--button-hover);
    outline: none;
}

/* Popover dialog styling */
.info-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 20;
    transition: background 0.2s;
}

.info-btn:hover,
.info-btn:focus {
    background: var(--button-hover);
}

.info-btn.hidden {
    display: none;
}

.popover {
    position: fixed;
    bottom: 0px;
    display: none;
    background: var(--popover-bg);
    border: 1px solid var(--popover-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    z-index: 1000;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.popover.active {
    display: block;
}

.popover-content {
    line-height: 1.6;
}

.popover-content p {
    margin: 0.5rem 0;
}

.popover-content a {
    color: var(--link-color);
    text-decoration: underline;
}

.popover-content a:visited {
    color: var(--link-visited);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .carousel-title {
        font-size: 1.2rem;
    }

    .carousel-controls {
        padding: 0.75rem;
    }

    .carousel-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .btn-slideshow {
        padding: 0.4rem 0.8rem;
        font-size: 12px;
    }

    .btn-home {
        padding: 0.4rem 0.8rem;
        font-size: 12px;
    }

    .info-btn {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .popover {
        max-width: 95vw;
        max-height: 70vh;
        padding: 1rem;
    }

    .carousel-top {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
}