/* 图片素材空间样式 */
:root {
    --primary-color: #5b00d7;
    --primary-light: rgba(91, 0, 215, 0.15);
    --primary-border: rgba(91, 0, 215, 0.3);
    --text-color: #ffffff;
    --text-light: rgba(255, 255, 255, 0.7);
    --background-color: linear-gradient(135deg, #0f0f0f, #1a1a1a);
    --card-bg-color: rgba(30, 30, 35, 0.8);
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 80px auto 40px;
    padding: 0 var(--spacing-lg);
}

/* 头部样式 */
.gallery-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.gallery-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
    text-shadow: 0 2px 10px rgba(91, 0, 215, 0.3);
}

.gallery-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

/* 搜索和上传容器 */
.search-upload-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* 搜索框样式 */
.search-box {
    display: flex;
    width: 100%;
    max-width: 500px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 12px 46px 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: all var(--transition-speed);
    background-color: rgba(0, 0, 0, 0.4);
    color: var(--text-color);
    backdrop-filter: blur(8px);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-box button {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 46px;
    background: var(--primary-color);
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: white;
    cursor: pointer;
    transition: background var(--transition-speed);
}

.search-box button:hover {
    background: #4900b0;
}

/* 按钮样式 */
.primary-btn {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 4px 10px rgba(91, 0, 215, 0.3);
}

.primary-btn:hover {
    background-color: #4900b0;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(91, 0, 215, 0.5);
}

.primary-btn.disabled-btn,
.primary-btn.disabled-btn:hover,
.primary-btn:disabled {
    background-color: #767676;
    color: #cccccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    opacity: 0.7;
    pointer-events: none;
}

.primary-btn.disabled-btn i {
    margin-right: 8px;
    animation: rotate 1s linear infinite;
}

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

.secondary-btn {
    padding: 12px 24px;
    background-color: rgba(91, 0, 215, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.secondary-btn:hover {
    background-color: rgba(91, 0, 215, 0.2);
}

/* 图片网格样式 */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* 图片卡片样式 */
.image-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--card-bg-color);
    box-shadow: 0 8px 20px var(--shadow-color);
    transition: all var(--transition-speed);
    cursor: pointer;
    height: 320px; /* 图片高度250px + 信息部分70px */
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5);
    border-color: rgba(91, 0, 215, 0.3);
}

.image-container {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed);
}

.image-card:hover img {
    transform: scale(1.05);
}

/* 版权标识 */
.copyright-mark {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: bold;
    color: var(--text-color);
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 4px;
    backdrop-filter: blur(4px);
    border: 1px solid var(--border-color);
}

.copyright-mark i {
    color: var(--text-color);
}

/* 图片信息样式 */
.image-info {
    padding: var(--spacing-sm) var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
}

.image-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-color);
}

.uploader-name {
    font-size: 12px;
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 点赞功能样式 */
.like-container {
    display: flex;
    align-items: center;
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    position: relative;
    min-height: 36px;
}

.like-button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color var(--transition-speed);
    padding: 4px 8px;
}

.like-button:hover {
    color: #ff4d6d;
}

.like-button.liked {
    color: #ff4d6d;
}

.like-button i {
    font-size: 16px;
}

.like-count {
    font-size: 12px;
    color: var(--text-light);
    margin-left: 4px;
}

/* 模态对话框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background-color: rgba(30, 30, 35, 0.9);
    margin: 5% auto;
    padding: var(--spacing-lg);
    width: 90%;
    max-width: 600px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.3s ease;
    max-height: 80vh;
    overflow-y: auto;
}

.preview-content {
    width: 500px;
    height: 600px;
    max-width: 500px;
    overflow: auto;
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    color: var(--text-light);
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    transition: all var(--transition-speed);
    z-index: 10;
}

.close-btn:hover {
    color: white;
    background-color: rgba(255, 0, 0, 0.7);
    transform: rotate(90deg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-light);
}

.form-group input[type="text"], 
.form-group input[type="file"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: rgba(0, 0, 0, 0.3);
    color: var(--text-color);
    font-size: 16px;
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.file-input-container {
    position: relative;
}

.file-preview {
    margin-top: var(--spacing-sm);
    width: 100%;
    height: 200px;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.file-preview img {
    max-width: 100%;
    max-height: 100%;
    display: none;
}

#no-file-text {
    color: var(--text-light);
}

.upload-progress {
    margin-top: var(--spacing-md);
    height: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-color), #7b61ff);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

#preview-image {
    max-width: 100%;
    max-height: 400px;
    display: block;
    margin: 0 auto;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    object-fit: contain;
}

.preview-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-md);
}

.preview-like-info {
    margin-top: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

#preview-like-button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    transition: all var(--transition-speed);
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

#preview-like-button:hover {
    background-color: rgba(255, 77, 109, 0.1);
    border-color: #ff4d6d;
    color: #ff4d6d;
}

#preview-like-button.liked {
    color: #ff4d6d;
}

#preview-like-button i {
    font-size: 18px;
}

#preview-like-count {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
}

.nav-btn {
    width: 48px;
    height: 48px;
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    font-size: 18px;
}

.nav-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

#loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-light);
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

#result-status {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-light);
}

#result-status.hidden {
    display: none;
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
        margin-top: 70px;
    }
    
    .gallery-header h1 {
        font-size: 2rem;
    }
    
    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--spacing-md);
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
        padding: var(--spacing-md);
    }
    
    .preview-content {
        width: 95%;
        height: auto;
        max-width: 500px;
    }
}

@media (max-width: 480px) {
    .gallery-header h1 {
        font-size: 1.8rem;
    }
    
    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    
    .primary-btn, .secondary-btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .form-actions {
        flex-direction: column;
    }
}

/* 警告消息样式 */
.warning-message {
    background-color: rgba(255, 193, 7, 0.1);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 14px;
    line-height: 1.5;
}

.warning-message i {
    font-size: 20px;
    color: #ffc107;
}

.retry-btn {
    margin-left: auto;
    background-color: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--radius-sm);
    padding: 5px 10px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.retry-btn:hover {
    background-color: rgba(255, 193, 7, 0.3);
}

/* 图片大小信息显示 */
.size-info {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 10px;
    padding: 12px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    line-height: 1.5;
}

.size-info p {
    margin-bottom: 5px;
}

.size-info p:last-child {
    margin-bottom: 0;
    font-style: italic;
    opacity: 0.8;
}

/* 突出显示压缩效果 */
.size-info strong {
    color: #7b61ff;
    font-weight: 600;
}

/* 删除按钮样式 */
.delete-button {
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-left: 10px;
    transition: all 0.2s ease;
    position: relative;
    z-index: 10;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.delete-button:hover {
    background-color: #bd2130;
    transform: scale(1.1);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
}

.preview-delete-btn {
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    transition: all 0.2s ease;
    margin-left: 15px;
    position: relative;
    z-index: 10;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.preview-delete-btn i {
    margin-right: 5px;
}

.preview-delete-btn:hover {
    background-color: #bd2130;
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
}