/* ================================
   画廊 · Gallery Styles
   延续 Voyage 航海蓝色系 + Neo-Brutalism
   ================================ */

/* ================================
   画廊 Hero
   ================================ */
.gallery-hero {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 5rem 0 4rem;
    position: relative;
    overflow: hidden;
    border-bottom: 2px solid var(--border-color);
}

.gallery-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
}

.gallery-hero-content {
    position: relative;
    z-index: 1;
}

/* ================================
   统计条
   ================================ */
.gallery-stats-bar {
    display: flex;
    justify-content: center;
    gap: 3rem;
    padding: 1.5rem 0;
    border-bottom: 2px solid var(--border-color);
    background: white;
    flex-wrap: wrap;
}

.gallery-stat {
    text-align: center;
    position: relative;
}

.gallery-stat + .gallery-stat::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 15%;
    height: 70%;
    width: 1px;
    background: var(--voyage-navy);
    opacity: 0.2;
}

.gallery-stat-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 900;
    color: var(--voyage-navy);
    line-height: 1;
}

.gallery-stat-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 700;
    margin-top: 0.25rem;
}

/* ================================
   筛选栏
   ================================ */
.gallery-filters {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 1.5rem 0;
}

.gallery-filter-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.4rem 0.75rem;
    border: 2px solid var(--border-color);
    background: white;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-filter-btn:hover {
    background: var(--voyage-paper);
    transform: translateY(-2px);
    box-shadow: 3px 3px 0px var(--border-color);
}

.gallery-filter-btn--active {
    background: var(--voyage-navy);
    color: white;
    border-color: var(--voyage-navy);
}

.gallery-filter-btn--active:hover {
    background: var(--voyage-blue);
    border-color: var(--voyage-blue);
}

.gallery-filter-divider {
    width: 1px;
    height: 1.5rem;
    background: var(--border-color);
    opacity: 0.2;
}

/* ================================
   Bento Box 图片网格
   ================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border: 2px solid var(--border-color);
    background: white;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.gallery-item:hover {
    transform: translateY(-6px);
    box-shadow: 8px 8px 0px var(--voyage-navy);
    z-index: 2;
}

/* Bento 尺寸变体 */
.gallery-item--wide {
    grid-column: span 2;
}

.gallery-item--tall {
    grid-row: span 2;
}

.gallery-item--featured {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

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

/* 图片高度 */
.gallery-item {
    min-height: 220px;
}

.gallery-item--tall {
    min-height: 460px;
}

.gallery-item--featured {
    min-height: 460px;
}

/* 图片覆盖层信息 */
.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 1rem 1rem;
    background: linear-gradient(transparent, rgba(27, 42, 74, 0.9));
    color: white;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item-caption {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.gallery-item-meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--voyage-sky);
}

/* 删除按钮（管理模式） */
.gallery-item-delete {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 2rem;
    height: 2rem;
    background: var(--accent-red);
    color: white;
    border: 2px solid var(--border-color);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    z-index: 3;
    transition: all 0.2s ease;
}

.gallery-item-delete:hover {
    transform: scale(1.15);
    box-shadow: 2px 2px 0px var(--border-color);
}

.admin-mode .gallery-item-delete {
    display: flex;
}

/* ================================
   Lightbox 灯箱
   ================================ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(10, 10, 10, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox--open {
    display: flex;
    opacity: 1;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border: 3px solid white;
    box-shadow: 0 0 60px rgba(0,0,0,0.5);
    transition: transform 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    background: white;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.lightbox-close:hover {
    background: var(--accent-orange);
    color: white;
    box-shadow: 4px 4px 0px rgba(255,255,255,0.3);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3.5rem;
    height: 3.5rem;
    background: white;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.lightbox-nav:hover {
    background: var(--voyage-navy);
    color: white;
    box-shadow: 4px 4px 0px rgba(255,255,255,0.3);
}

.lightbox-prev {
    left: 1.5rem;
}

.lightbox-next {
    right: 1.5rem;
}

.lightbox-info {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
    max-width: 600px;
}

.lightbox-caption {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.lightbox-counter {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--voyage-sky);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ================================
   上传面板
   ================================ */
.upload-panel {
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: rgba(10, 10, 10, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
}

.upload-panel--open {
    display: flex;
}

.upload-box {
    background: white;
    border: 2px solid var(--border-color);
    padding: 2.5rem;
    width: 560px;
    max-width: 95vw;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.upload-box-title {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--voyage-navy);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.upload-dropzone {
    border: 3px dashed var(--voyage-blue);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
    background: var(--voyage-paper);
}

.upload-dropzone:hover,
.upload-dropzone--dragover {
    border-color: var(--accent-orange);
    background: rgba(255, 77, 0, 0.05);
    transform: translateY(-2px);
    box-shadow: 4px 4px 0px var(--border-color);
}

.upload-dropzone-icon {
    font-size: 3rem;
    color: var(--voyage-blue);
    margin-bottom: 0.75rem;
    display: block;
}

.upload-dropzone-text {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--voyage-navy);
}

.upload-dropzone-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.upload-field {
    margin-bottom: 1rem;
}

.upload-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--voyage-navy);
    margin-bottom: 0.4rem;
}

.upload-input,
.upload-select {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 2px solid var(--border-color);
    background: white;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.upload-input:focus,
.upload-select:focus {
    outline: none;
    border-color: var(--voyage-blue);
    box-shadow: 3px 3px 0px var(--voyage-blue);
}

.upload-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.upload-btn {
    flex: 1;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-btn--primary {
    background: var(--voyage-navy);
    color: white;
    border-color: var(--voyage-navy);
}

.upload-btn--primary:hover {
    background: var(--voyage-blue);
    border-color: var(--voyage-blue);
    box-shadow: 4px 4px 0px var(--border-color);
    transform: translateY(-2px);
}

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

.upload-btn--secondary:hover {
    background: var(--voyage-paper);
    box-shadow: 4px 4px 0px var(--border-color);
    transform: translateY(-2px);
}

.upload-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* 上传进度 */
.upload-progress {
    margin-top: 1rem;
    display: none;
}

.upload-progress--active {
    display: block;
}

.upload-progress-bar {
    height: 4px;
    background: var(--border-color);
    position: relative;
    overflow: hidden;
}

.upload-progress-fill {
    height: 100%;
    background: var(--voyage-blue);
    width: 0%;
    transition: width 0.3s ease;
}

.upload-progress-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.4rem;
    letter-spacing: 0.05em;
}

/* 预览列表 */
.upload-previews {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.upload-preview {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

/* ================================
   空状态
   ================================ */
.gallery-empty {
    text-align: center;
    padding: 6rem 2rem;
    border: 3px dashed var(--border-color);
    background: var(--voyage-paper);
}

.gallery-empty-icon {
    font-size: 4rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: block;
}

.gallery-empty-title {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--voyage-navy);
    margin-bottom: 0.5rem;
}

.gallery-empty-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ================================
   管理工具栏
   ================================ */
.gallery-admin-bar {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--voyage-navy);
    border: 2px solid var(--border-color);
    margin-bottom: 1rem;
}

.gallery-admin-bar--visible {
    display: flex;
}

.gallery-admin-indicator {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--voyage-sky);
}

/* ================================
   响应式
   ================================ */
@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .gallery-hero {
        padding: 3rem 0 2.5rem;
    }

    .gallery-stats-bar {
        gap: 1.5rem;
        padding: 1rem 0;
    }

    .gallery-stat-value {
        font-size: 1.5rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-item--featured {
        grid-column: span 2;
        grid-row: span 1;
    }

    .gallery-item--wide {
        grid-column: span 2;
    }

    .gallery-item--tall {
        grid-row: span 1;
    }

    .gallery-item {
        min-height: 160px;
    }

    .gallery-item--tall,
    .gallery-item--featured {
        min-height: 220px;
    }

    .lightbox-nav {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.2rem;
    }

    .lightbox-prev {
        left: 0.75rem;
    }

    .lightbox-next {
        right: 0.75rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    .gallery-filters {
        gap: 0.5rem;
    }

    .gallery-filter-btn {
        font-size: 0.65rem;
        padding: 0.3rem 0.5rem;
    }
}