/* ===== 创意广场样式 ===== */
.square-main {
    padding-top: 80px;
    min-height: 100vh;
}

.square-header {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.05) 0%, rgba(156, 39, 176, 0.05) 100%);
    padding: var(--spacing-2xl) var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.square-header h1 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
}

.square-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* 分类标签 */
.category-tabs {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition);
}

.tab-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

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

/* 作品展示区 */
.gallery-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.gallery-item {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 152, 0, 0.2);
    border-color: var(--primary-color);
}

.gallery-image-container {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 宽高比 */
    overflow: hidden;
    background: var(--bg-tertiary);
}

.gallery-image-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent 50%);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
}

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

.gallery-info {
    color: white;
}

.gallery-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gallery-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.gallery-footer {
    padding: var(--spacing-md);
}

.gallery-prompt {
    font-size: 0.875rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.4;
}

.gallery-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.action-btn {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
}

.action-btn.liked {
    color: var(--error-color);
    border-color: var(--error-color);
}

/* 加载更多 */
.load-more-container {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* 图片详情模态框 */
.modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
    z-index: 1;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--error-color);
    transform: rotate(90deg);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 400px;
    max-height: 90vh;
    overflow: hidden;
}

.modal-image-container {
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.modal-image-container img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.modal-info {
    padding: var(--spacing-xl);
    overflow-y: auto;
    background: var(--bg-secondary);
}

.modal-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.modal-info p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.modal-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.modal-actions .btn {
    flex: 1;
}

/* 骨架屏加载效果 */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-primary) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-item {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.skeleton-image {
    width: 100%;
    padding-top: 100%;
}

.skeleton-text {
    padding: var(--spacing-md);
}

.skeleton-line {
    height: 16px;
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-sm);
}

.skeleton-line:last-child {
    width: 60%;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .modal-body {
        grid-template-columns: 1fr;
    }

    .modal-info {
        max-height: 300px;
    }
}

@media (max-width: 768px) {
    .square-header {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .category-tabs {
        padding: var(--spacing-md);
        gap: var(--spacing-xs);
    }

    .tab-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.875rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--spacing-md);
    }

    .modal-content {
        max-width: 100%;
        margin: 0;
        border-radius: 0;
    }
}