/* Gallery Page Styles */

body {
    padding-top: 70px;
}

/* 네비게이션 바 로고 텍스트 색상 */
.nav-logo-text {
    color: white !important;
}

/* 메인으로 링크 스타일 */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: white !important;
    text-decoration: none !important;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: var(--transition-normal);
}

.back-link:hover {
    color: var(--primary) !important;
    text-decoration: none !important;
}

.back-link i {
    font-size: var(--font-size-lg);
}

/* 모바일에서 화살표만 표시 */
@media (max-width: 768px) {
    .back-link span {
        display: none !important;
    }
    
    .back-link {
        padding: var(--space-2) !important;
        border-radius: var(--radius-lg) !important;
    }
    
    /* 모바일에서 body 패딩 38px 설정 */
    html body {
        padding-top: 38px !important;
    }
    
    /* 모바일에서 갤러리 헤더 상단/하단 패딩 15px 설정 - 더 구체적인 선택자 사용 */
    html body .gallery-header {
        padding: 15px var(--space-6) 15px !important;
    }
    
    /* 모바일에서 업로드 모달 콤팩트하게 */
    .modal-content {
        width: 95% !important;
        max-width: 400px !important;
        margin: 10px auto !important;
        max-height: 90vh !important;
        overflow-y: auto !important;
    }
    
    .modal-header {
        padding: 15px 20px 10px !important;
    }
    
    .modal-header h2 {
        font-size: 1.2rem !important;
        margin: 0 !important;
    }
    
    .modal-body {
        padding: 15px 20px !important;
    }
    
    .form-group {
        margin-bottom: 15px !important;
    }
    
    .form-group label {
        font-size: 0.9rem !important;
        margin-bottom: 5px !important;
    }
    
    .form-control {
        padding: 8px 12px !important;
        font-size: 0.9rem !important;
        border-radius: 6px !important;
    }
    
    .form-group small {
        font-size: 0.75rem !important;
        margin-top: 4px !important;
    }
    
    .modal-footer {
        padding: 10px 20px 15px !important;
        gap: 10px !important;
    }
    
    .modal-footer .btn {
        padding: 8px 16px !important;
        font-size: 0.9rem !important;
        flex: 1 !important;
    }
}

/* 에러 메시지 스타일 */
.error-message {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 6px;
    padding: 6px 8px;
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
    border-radius: 4px;
    animation: shake 0.3s ease-in-out;
}

.success-message {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #28a745;
    font-size: 0.85rem;
    margin-top: 6px;
    padding: 6px 8px;
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.2);
    border-radius: 4px;
}

.upload-result {
    margin-top: var(--space-3);
}

.upload-result .success-message,
.upload-result .error-message {
    margin-top: 0;
    padding: var(--space-3);
    font-size: 0.9rem;
    font-weight: 500;
}

.error-message i {
    font-size: 0.8rem;
}

/* 에러 애니메이션 */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* 모바일에서 에러 메시지 */
@media (max-width: 768px) {
    .error-message {
        font-size: 0.8rem !important;
        padding: 5px 6px !important;
        margin-top: 4px !important;
    }
    
    .error-message i {
        font-size: 0.75rem !important;
    }
}

/* 갤러리 헤더 */
.gallery-header {
    text-align: center;
    padding: 15px var(--space-6) 15px;
    background: var(--surface);
}

.gallery-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 0;
    background: linear-gradient(135deg, var(--text-primary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gallery-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

/* 관리자 버튼 */
.admin-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
}

.admin-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.admin-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.admin-btn i {
    font-size: var(--font-size-lg);
}

/* 연도별 탭 */
.year-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-6);
    background: var(--background);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.year-tab {
    padding: var(--space-3) var(--space-6);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.year-tab:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.year-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* 갤러리 슬라이더 (PC/모바일 통일) */
.gallery-carousel {
    display: none; /* PC에서도 캐러셀 숨기고 슬라이더 사용 */
}

.gallery-slider {
    display: block !important; /* 모든 화면에서 슬라이더 표시 */
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: var(--space-8) auto 0;
    padding: 0 var(--space-4);
}

.gallery-item {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
}

/* PC와 태블릿에서 고정 크기 유지 */
@media (min-width: 768px) {
    .gallery-item {
        width: 100%;
        height: 200px;
    }
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
    /* 이미지 로딩 최적화 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    will-change: transform;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    opacity: 0;
    transition: var(--transition-normal);
    pointer-events: none;
}

.gallery-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
    pointer-events: auto;
}

.overlay-btn {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
    color: #2d3748;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.overlay-btn:hover {
    background: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    color: #1a202c;
}

.overlay-btn.view-btn {
    color: #2d3748;
}

.overlay-btn.view-btn:hover {
    color: #1a202c;
}

.overlay-btn.delete-btn {
    background: rgba(220, 53, 69, 0.9);
    color: white;
}

.overlay-btn.delete-btn:hover {
    background: #dc3545;
}

.gallery-overlay i {
    color: inherit;
    font-size: 1.2rem;
}

/* 캐러셀 네비게이션 */
.carousel-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.carousel-btn {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.carousel-btn:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 캐러셀 인디케이터 */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-normal);
}

.indicator.active {
    background: var(--primary);
    transform: scale(1.2);
}

.indicator:hover {
    background: var(--primary-dark);
}

.gallery-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.7));
    opacity: 0;
    transition: var(--transition-normal);
    display: flex;
    align-items: flex-end;
    padding: var(--space-4);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-info {
    color: white;
    font-size: var(--font-size-sm);
}

/* 갤러리 슬라이더 (모바일) - 기존 스타일 유지하되 display는 위에서 설정 */
.gallery-slider {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    overflow: hidden;
    padding: var(--space-6) 0;
}

/* 이미지 카운터 */
.image-counter {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 20;
    backdrop-filter: blur(8px);
    min-width: 40px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.slider-container {
    display: flex;
    transition: transform 0.3s ease;
    touch-action: pan-x;
    cursor: grab;
}

.slider-container:active {
    cursor: grabbing;
}

.slider-item {
    flex: 0 0 100%;
    width: 100%;
    padding: 0 var(--space-3);
    box-sizing: border-box;
}

.slider-item {
    position: relative;
}

.slider-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    /* 이미지 로딩 최적화 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    will-change: transform;
}

.slider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    opacity: 0;
    transition: var(--transition-normal);
    border-radius: var(--radius-xl);
    pointer-events: none;
}

.slider-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.slider-item:hover .slider-overlay {
    opacity: 1;
    pointer-events: auto;
}

.slider-overlay .overlay-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-normal);
}

.slider-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.slider-btn:disabled {
    background: rgba(0, 0, 0, 0.2);
    cursor: not-allowed;
    opacity: 0.5;
}

.prev-btn {
    left: var(--space-2);
}

.next-btn {
    right: var(--space-2);
}


/* 로딩 스피너 */
.loading-spinner {
    display: none;
    text-align: center;
    padding: var(--space-12);
    color: var(--text-secondary);
}

.loading-spinner.active {
    display: block;
}

.loading-spinner i {
    font-size: var(--font-size-4xl);
    color: var(--primary);
    margin-bottom: var(--space-3);
}

/* 모달 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.image-modal-content {
    background: transparent;
    max-width: 90vw;
    max-height: 90vh;
    overflow: visible;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    display: inline-block;
}

.image-wrapper img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-xl);
}

.image-close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 1.2rem;
    z-index: 10;
}

.image-close-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6);
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    transition: var(--transition-normal);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.close-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-control {
    width: 100%;
    padding: var(--space-3);
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: var(--transition-normal);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
}

.form-group small {
    display: block;
    margin-top: var(--space-2);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.preview-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-6);
    border-top: 1px solid var(--border);
}

.btn {
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-hover);
}

/* 이미지 상세보기 모달 */
.image-modal-content {
    max-width: 90vw;
    max-height: 90vh;
    background: transparent;
    padding: 0;
}

.image-modal-content .close-btn {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    z-index: 10;
}

.image-modal-content img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-xl);
}

.image-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4);
}

.delete-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: #dc3545;
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.delete-btn:hover {
    background: #c82333;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition-normal);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

/* 반응형 */
@media (max-width: 768px) {
    body {
        padding-top: 50px;
    }
    
    .year-tabs {
        top: 50px;
        gap: var(--space-1);
        padding: var(--space-3);
    }
    
    .year-tab {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-sm);
    }
    
    /* PC 캐러셀 숨김 */
    .gallery-carousel {
        display: none;
    }
    
    .carousel-nav,
    .carousel-indicators {
        display: none;
    }
    
    /* 모바일 슬라이더 표시 (더 컴팩트) */
    .gallery-slider {
        display: block !important;
        margin-top: var(--space-4);
        padding: 0 var(--space-3);
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* 모바일에서 캐러셀 컨테이너 숨김 */
    .carousel-container {
        display: none !important;
    }
    
    .modal-content {
        width: 95%;
        max-height: 85vh;
    }
    
    .gallery-header {
        padding: var(--space-8) var(--space-4) var(--space-6);
    }
    
    .gallery-title {
        font-size: var(--font-size-2xl);
    }
    
    .gallery-subtitle {
        font-size: var(--font-size-base);
    }
    
    .admin-btn {
        padding: var(--space-2) var(--space-4);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .gallery-title {
        font-size: var(--font-size-xl);
    }
    
    .gallery-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .year-tab {
        padding: var(--space-1) var(--space-2);
        font-size: 0.75rem;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }
}