/* ========================================
   Gallery 페이지 전용 스타일
   ======================================== */

/* 페이지 헤더 */
.page-header {
    background: var(--gradient-main);
    color: var(--text-white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.page-header h1 {
    font-size: var(--font-5xl);
    margin-bottom: var(--spacing-md);
}

.page-header p {
    font-size: var(--font-xl);
    opacity: 0.95;
}

/* 갤러리 그리드 */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.gallery-item {
    position: relative;
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.gallery-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover .gallery-img {
    transform: scale(1.05);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--text-white);
    padding: var(--spacing-lg);
    font-weight: 500;
    font-size: var(--font-base);
    text-align: center;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

/* 라이트박스 모달 */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    cursor: pointer;
    overflow: hidden;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.lightbox-content {
    max-width: 70vw;
    max-height: 70vh;
    position: relative;
    margin: auto;
    display: block;
}

.lightbox-img {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}

.lightbox-caption {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-white);
    font-size: var(--font-lg);
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
}

.lightbox-close {
    position: absolute;
    top: -60px;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    font-size: var(--font-xl);
    cursor: pointer;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 3px solid #fff;
}

.lightbox-close::before {
    content: '✕';
    font-weight: bold;
    font-size: 18px;
}

.lightbox-close:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 136, 0, 0.4);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-white);
    font-size: var(--font-2xl);
    background: rgba(0, 0, 0, 0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-nav:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.lightbox-prev {
    left: -80px;
}

.lightbox-next {
    right: -80px;
}

/* 갤러리 카테고리 필터 */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: var(--font-sm);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--text-white);
}

/* 로딩 스피너 */
.gallery-loading {
    display: none;
    text-align: center;
    padding: var(--spacing-2xl);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 360도 이미지 뷰어 스타일 */
.panorama-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: var(--spacing-3xl) 0;
    margin: var(--spacing-3xl) 0;
    border-radius: var(--border-radius);
}

.panorama-section h2 {
    text-align: center;
    font-size: var(--font-4xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.panorama-section .section-subtitle {
    text-align: center;
    font-size: var(--font-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-2xl);
}

.panorama-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.panorama-viewer {
    position: relative;
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    transition: var(--transition);
    cursor: grab;
}

.panorama-viewer:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.18);
}

.panorama-viewer:active {
    cursor: grabbing;
}

.panorama-clickable {
    cursor: pointer;
}

.panorama-clickable:hover {
    transform: scale(1.02);
}

.panorama-clickable:hover .panorama-help {
    opacity: 1;
    transform: scale(1.1);
}

.panorama-container {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.panorama-preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.panorama-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 136, 0, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-2xl);
    color: var(--text-white);
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(255, 136, 0, 0.3);
    backdrop-filter: blur(10px);
}

.panorama-play-button i {
    margin-left: 3px; /* 플레이 아이콘 중앙 정렬 보정 */
}

.panorama-clickable:hover .panorama-play-button {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 12px 35px rgba(255, 136, 0, 0.4);
}

.panorama-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panorama-title {
    color: var(--text-white);
    font-weight: 600;
    font-size: var(--font-base);
}

.panorama-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.panorama-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-sm);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.panorama-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.panorama-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.panorama-indicator {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-full);
    font-size: var(--font-xs);
    font-weight: 500;
}

.panorama-help {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: rgba(255, 136, 0, 0.9);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-xs);
    animation: fadeInOut 3s ease-in-out;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    20%, 80% { opacity: 1; }
}

/* 개선된 360도 이미지 전체화면 모달 */
.panorama-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    cursor: grab;
}

.panorama-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.panorama-modal:active {
    cursor: grabbing;
}

.panorama-modal-content {
    position: relative;
    width: 90vw;
    height: 70vh;
    max-width: 1200px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.panorama-modal-viewer {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: var(--border-radius);
    background: #000;
}

.panorama-modal-image {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    object-fit: cover;
    transition: transform 0.1s ease-out;
    will-change: transform;
    user-select: none;
    pointer-events: none;
}

.panorama-modal-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    padding: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panorama-modal-title {
    color: var(--text-white);
    font-weight: 600;
    font-size: var(--font-xl);
}

.panorama-modal-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.panorama-modal-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-base);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    font-weight: 500;
}

.panorama-modal-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.panorama-modal-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.panorama-modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-xl);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.panorama-modal-close:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.panorama-modal-close::before {
    content: '✕';
    font-weight: bold;
}

.panorama-modal-help-text {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: rgba(0, 0, 0, 0.9);
    color: var(--text-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: var(--font-sm);
    max-width: 250px;
    z-index: 10;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: none;
}

.panorama-modal-help-text p {
    margin: 0 0 var(--spacing-xs) 0;
}

.panorama-modal-help-text strong {
    color: var(--primary-color);
    font-size: var(--font-base);
}

.panorama-modal-help {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    background: rgba(255, 136, 0, 0.9);
    color: var(--text-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: var(--font-base);
    font-weight: 500;
    animation: fadeInOut 4s ease-in-out;
    backdrop-filter: blur(10px);
}

.panorama-modal-indicator {
    position: absolute;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-full);
    font-size: var(--font-base);
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: var(--font-3xl);
    }
    
    .page-header p {
        font-size: var(--font-base);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .gallery-img {
        height: 200px;
    }
    
    .lightbox-nav {
        font-size: var(--font-xl);
        width: 40px;
        height: 40px;
    }
    
    .lightbox-prev {
        left: -60px;
    }
    
    .lightbox-next {
        right: -60px;
    }
    
    .lightbox-caption {
        font-size: var(--font-base);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .gallery-img {
        height: 180px;
    }
    
    .lightbox-content {
        max-width: 90vw;
        max-height: 75vh;
    }
    
    .lightbox-nav {
        position: fixed;
        bottom: 20px;
    }
    
    .lightbox-prev {
        left: 20px;
    }
    
    .lightbox-next {
        right: 20px;
    }
    
    .lightbox-close {
        top: 20px;
        right: 20px;
        position: fixed;
    }
    
    .lightbox-caption {
        position: fixed;
        bottom: 80px;
        left: 50%;
        transform: translateX(-50%);
        font-size: var(--font-sm);
    }
    
    .gallery-filters {
        gap: var(--spacing-sm);
    }
    
    .filter-btn {
        font-size: var(--font-xs);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .panorama-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .panorama-container {
        height: 250px;
    }
    
    .panorama-controls {
        padding: var(--spacing-md);
    }
    
    .panorama-title {
        font-size: var(--font-sm);
    }
    
    .panorama-btn {
        font-size: var(--font-xs);
        padding: var(--spacing-xs);
    }
    
    .panorama-modal-content {
        width: 95vw;
        height: 60vh;
    }
    
    .panorama-modal-controls {
        padding: var(--spacing-lg);
    }
    
    .panorama-modal-title {
        font-size: var(--font-base);
    }
    
    .panorama-modal-btn {
        font-size: var(--font-sm);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .panorama-modal-close {
        width: 40px;
        height: 40px;
        font-size: var(--font-base);
    }
    
    .panorama-modal-help {
        font-size: var(--font-sm);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .panorama-modal-indicator {
        font-size: var(--font-sm);
        padding: var(--spacing-xs) var(--spacing-md);
    }
}