/* ========================================
 * Modern Image Carousel - Complete Redesign
 * Optimized for Portrait Mobile Photos
 * ======================================== */

/* Carousel Header */
.carousel-header {
    text-align: center;
    margin-bottom: 0.5rem;
}

.slider-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin: 0;
    color: var(--heading-color, #333);
}

.slider-title .rainbow_text {
    background: linear-gradient(135deg, 
        #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #ffeaa7, #fd79a8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

/* Main Carousel Container */
.carousel-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    margin: 0.5rem auto;
    max-width: min(480px, 98vw);
    width: 100%;
    padding: 0.5rem 0.5rem 0.7rem 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 1px 2px rgba(0, 0, 0, 0.2);
    overflow-x: hidden;
}

/* Main Image Display Area */
.carousel-display {
    position: relative;
    width: 100%;
    /* max-width: min(280px, 90vw); Optimized for portrait 9:16 */
    aspect-ratio: 9 / 16;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.carousel-display:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
}

/* Main Image */
.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    display: block;
}

.carousel-display:hover .carousel-image {
    transform: scale(1.02);
}

/* Camera Controls */
.carousel-controls {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.camera-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    color: #333;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.camera-btn:hover,
.camera-btn:focus {
    background: rgba(0, 170, 187, 0.95);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 170, 187, 0.3);
}

/* Timer Overlay */
.timer-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 1rem 2rem;
    border-radius: 16px;
    font-size: 2.5rem;
    font-weight: bold;
    z-index: 20;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Video Stream for Camera */
.camera-stream {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
    z-index: 5;
}

/* Thumbnail Navigation */
.carousel-thumbnails {
    display: flex;
    gap: 8px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
    max-width: 100%;
}

.carousel-thumbnails::-webkit-scrollbar {
    height: 4px;
}

.carousel-thumbnails::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.carousel-thumbnails::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

/* Individual Thumbnails */
.thumbnail-item {
    flex-shrink: 0;
    width: 48px;
    height: 64px; /* Portrait thumbnails */
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
}

.thumbnail-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    transition: opacity 0.3s ease;
}

.thumbnail-item:hover::after {
    opacity: 0;
}

.thumbnail-item:hover {
    transform: scale(1.05) translateY(-2px);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.thumbnail-item.active {
    border-color: #00aabb;
    transform: scale(1.08);
    box-shadow: 0 0 16px rgba(0, 170, 187, 0.4);
}

.thumbnail-item.active::after {
    opacity: 0;
}

.thumbnail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.thumbnail-item:hover .thumbnail-image {
    transform: scale(1.1);
}

/* Carousel Info */
.carousel-info {
    text-align: center;
    color: var(--text-secondary, #fff);
    font-size: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    width: 100%;
    box-sizing: border-box;
    .carousel-info {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.3rem;
        word-break: break-word;
        overflow-x: unset;
        max-width: 100vw;
    }
    .carousel-info {
        font-size: 0.85rem;
        max-width: 100vw;
        overflow-x: auto;
        box-sizing: border-box;
        word-break: break-word;
    }
}

.image-counter {
    font-weight: 500;
    min-width: 60px;
}

.carousel-subtitle {
    font-style: italic;
    opacity: 0.7;
}

/* Photo Group Selector */
.photo-group-selector {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.group-nav-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary, #fff);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 2rem;
    font-weight: bold;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.group-nav-btn:hover,
.group-nav-btn:focus {
    background: rgba(0, 170, 187, 0.8);
    border-color: rgba(0, 170, 187, 1);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 170, 187, 0.3);
}

.group-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    background: rgba(255, 255, 255, 0.05);
}

.group-nav-btn:disabled:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.4);
    transform: none;
    box-shadow: none;
}

.group-name {
    font-weight: 500;
    min-width: 120px;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
    .carousel-main {
        padding: 0.3rem 0.2rem 0.5rem 0.2rem;
        gap: 0.5rem;
    }
    
    .carousel-display {
        max-width: 70%;
    }
    
    .thumbnail-item {
        width: 40px;
        height: 56px;
    }
    
    .carousel-controls {
        bottom: 8px;
        right: 8px;
        gap: 6px;
    }
    
    .camera-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .timer-display {
        padding: 0.8rem 1.5rem;
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .carousel-display {
        max-width: 70%;
    }
    
    .thumbnail-item {
        width: 36px;
        height: 48px;
    }
    
    .carousel-thumbnails {
        gap: 6px;
        padding: 8px;
    }
}

/* Loading Animation */
.carousel-image.loading {
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .carousel-display,
    .carousel-image,
    .thumbnail-item,
    .thumbnail-image,
    .camera-btn {
        transition: none;
    }
}

/* Focus states for keyboard navigation */
.thumbnail-item:focus,
.camera-btn:focus {
    outline: 2px solid #00aabb;
    outline-offset: 2px;
}

/* ========================================
 * Light Mode Styling
 * ======================================== */

.Light-Mode .carousel-main {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 1px 2px rgba(0, 0, 0, 0.12);
}

.Light-Mode .slider-title {
    color: #2d3748;
}

.Light-Mode .carousel-subtitle {
    color: #4a5568;
}

.Light-Mode .carousel-info {
    color: #4a5568;
}

.Light-Mode .image-counter {
    color: #2d3748;
}

.Light-Mode .group-name {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #2d3748;
}

.Light-Mode .group-nav-btn {
    background: rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.15);
    color: #4a5568;
}

.Light-Mode .group-nav-btn:hover,
.Light-Mode .group-nav-btn:focus {
    background: rgba(0, 170, 187, 0.9);
    border-color: rgba(0, 170, 187, 1);
    color: white;
}

.Light-Mode .group-nav-btn:disabled {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.08);
    color: rgba(0, 0, 0, 0.3);
}

.Light-Mode .carousel-thumbnails {
    background: rgba(0, 0, 0, 0.03);
}

.Light-Mode .carousel-thumbnails::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
}

.Light-Mode .carousel-thumbnails::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

.Light-Mode .thumbnail-item {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.1);
}

.Light-Mode .thumbnail-item:hover {
    border-color: rgba(0, 0, 0, 0.3);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.Light-Mode .thumbnail-item.active {
    border-color: #00aabb;
    box-shadow: 0 0 16px rgba(0, 170, 187, 0.3);
}

.Light-Mode .camera-btn {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #2d3748;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.Light-Mode .camera-btn:hover,
.Light-Mode .camera-btn:focus {
    background: rgba(0, 170, 187, 0.9);
    color: white;
    box-shadow: 0 6px 16px rgba(0, 170, 187, 0.25);
}

.Light-Mode .timer-display {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

/* Light mode carousel display adjustments */
.Light-Mode .carousel-display {
    box-shadow: 
        0 12px 28px rgba(0, 0, 0, 0.15),
        0 2px 8px rgba(0, 0, 0, 0.1);
}

.Light-Mode .carousel-display:hover {
    box-shadow: 
        0 16px 36px rgba(0, 0, 0, 0.18),
        0 4px 12px rgba(0, 0, 0, 0.12);
}