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

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --bg-color: #fafafa;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --card-bg: #111827;
    --text-color: #e5e7eb;
    --text-secondary: #9ca3af;
    --border-color: #1f2937;
    --primary-color: #8b5cf6;
    --primary-hover: #7c3aed;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
                 'Microsoft YaHei', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* 暗色主题细节优化 */
[data-theme="dark"] .header { background: rgba(17, 24, 39, 0.85); }
[data-theme="dark"] .category-tabs { background: rgba(17,24,39,0.85); border-color: #1f2937; }
[data-theme="dark"] .category-tab:hover { background: rgba(255,255,255,0.06); color: var(--text-color); }
[data-theme="dark"] .modal { background: rgba(0,0,0,0.6); }
[data-theme="dark"] .modal-content { background: #0b1220; border: 1px solid #1f2937; }
[data-theme="dark"] .add-mode-tab.active { background: #0b1220; }
[data-theme="dark"] .upload-area:hover { background: rgba(255,255,255,0.04); }
[data-theme="dark"] .upload-area.dragover { background: rgba(255,255,255,0.06); }
[data-theme="dark"] .meme-action-btn { background: rgba(255,255,255,0.12); }
[data-theme="dark"] .menu-btn-danger:hover { background: rgba(239,68,68,0.15); }
[data-theme="dark"] .message.success { background: rgba(16,185,129,0.15); color: #bbf7d0; border-color: rgba(16,185,129,0.35); }
[data-theme="dark"] .message.error { background: rgba(239,68,68,0.15); color: #fecaca; border-color: rgba(239,68,68,0.35); }
[data-theme="dark"] .icon-btn:hover { background: rgba(255, 255, 255, 0.06); }
[data-theme="dark"] .meme-image-container { background: #111827; }
[data-theme="dark"] .image-skeleton { background: linear-gradient(90deg, #1f2937 0%, #111827 20%, #1f2937 40%, #1f2937 100%); }
[data-theme="dark"] .meme-overlay { background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.8) 100%); }
[data-theme="dark"] .copy-format-menu { background: #0b1220; border-color: #1f2937; }
[data-theme="dark"] .friend-item { background: #0b1220; border-color: #1f2937; }

/* ========== 通用工具类 ========== */

.hidden {
    display: none !important;
}

/* ========== 顶部工具栏 ========== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    flex: 1 1 auto;
    min-width: 0;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logo:hover {
    color: var(--primary-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.copy-format-control {
    position: relative;
}

.copy-format-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    position: relative;
}

.copy-format-btn svg {
    flex-shrink: 0;
}

.copy-format-indicator {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: var(--primary-color);
    color: white;
    font-size: 0.6rem;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 6px;
    font-weight: 600;
}

.copy-format-menu {
    position: absolute;
    top: 48px;
    right: 0;
    width: 220px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 120;
}

.copy-format-option {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    border: none;
    background: transparent;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    font-size: 0.85rem;
    text-align: left;
}

.copy-format-option:hover,
.copy-format-option.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.copy-format-option .option-title {
    font-weight: 600;
}

.copy-format-option .option-desc {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.copy-format-option .option-desc code {
    background: rgba(15, 23, 42, 0.06);
    padding: 1px 4px;
    border-radius: 4px;
    font-size: 0.7rem;
}

/* ========== 友情链接 ========== */
.friends-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
    margin-bottom: 12px;
}

.friend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #fff;
}

.friend-item a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.friend-favicon {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    background: #eef2f7;
}

.friend-remove {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 6px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--text-color);
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    text-decoration: none;
}

.icon-btn:hover {
    background: var(--bg-color);
}

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

.icon-btn.btn-primary:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

/* ========== 移动端优化（按钮与头部） ========== */
@media (max-width: 640px) {
    .header {
        height: auto;
        min-height: calc(56px + env(safe-area-inset-top));
        padding: 0 12px;
        padding-top: env(safe-area-inset-top);
    }
    .logo { font-size: 1rem; max-width: 60vw; }
    .header-right { gap: 6px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .header-right::-webkit-scrollbar { display: none; }
    .icon-btn { width: 36px; height: 36px; }
    .header-right .icon-btn svg { width: 18px; height: 18px; }
    .copy-format-btn { width: 36px; height: 36px; }
    .copy-format-menu { top: 44px; right: 0; width: 200px; }
    .copy-format-indicator { bottom: 3px; right: 3px; font-size: 0.55rem; padding: 1px 3px; }
}

@media (max-width: 375px) {
    .header-right { gap: 4px; }
    .icon-btn { width: 32px; height: 32px; }
    .header-right .icon-btn svg { width: 16px; height: 16px; }
    .copy-format-btn { width: 32px; height: 32px; }
    .copy-format-menu { top: 40px; width: 190px; }
}

/* ========== 搜索栏 ========== */

.search-bar {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    z-index: 99;
    transition: all 0.3s ease;
}

.search-bar.hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-color);
    border-radius: 12px;
    padding: 10px 16px;
}

.search-container svg {
    color: var(--text-secondary);
    flex-shrink: 0;
}

.search-container input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--text-color);
    outline: none;
}

.search-close {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
}

.search-close:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* 暗色主题下搜索栏细节 */
[data-theme="dark"] .search-close:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* ========== 分类标签 ========== */

.category-tabs {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    z-index: 98;
    box-shadow: var(--shadow-sm);
}

.category-tab {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.category-tab:hover {
    background: var(--bg-color);
    color: var(--text-color);
}

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

.category-tab .count {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.category-tab:not(.active) .count {
    background: var(--bg-color);
    color: var(--text-secondary);
}

/* ========== 画廊容器 ========== */

.gallery-container {
    padding-top: 130px;  /* 60px header + 50px category tabs + 20px spacing */
    padding-bottom: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* 瀑布流布局 - 改为固定高度的网格 */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

/* 网格大小变体 */
.masonry-grid.size-small {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.masonry-grid.size-medium {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.masonry-grid.size-large {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

@media (max-width: 1200px) {
    .masonry-grid.size-large {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .masonry-grid {
        gap: 15px;
    }

    .masonry-grid.size-small {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
    }

    .masonry-grid.size-medium {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }

    .masonry-grid.size-large {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 18px;
    }

    .gallery-container {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media (max-width: 480px) {
    .masonry-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .masonry-grid.size-small {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .masonry-grid.size-large {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .gallery-container {
        padding-top: 140px;  /* 稍微增加以适配更小屏幕 */
    }
}

/* ========== 表情包卡片 ========== */

.meme-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    aspect-ratio: 1 / 1;  /* 统一正方形 */
}

.meme-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.meme-card:hover .meme-overlay {
    opacity: 1;
}

.meme-image-container {
    width: 100%;
    height: 100%;
    position: relative;
    background: #f1f5f9;
}

/* 骨架屏加载状态 */
.image-skeleton {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        #f0f0f0 0%,
        #f8f8f8 20%,
        #f0f0f0 40%,
        #f0f0f0 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

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

.meme-image.loaded {
    animation: fadeIn 0.3s ease;
}

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

.meme-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;  /* 裁剪适配 */
}

.meme-image.loading {
    min-height: 200px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

.meme-image.error {
    min-height: 200px;
    object-fit: contain;
    background: #f4f4f5;
}

/* 悬停覆盖层 */
.meme-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.8) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 16px;
}

.meme-name {
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 8px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* 标签显示 */
.meme-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
}

.meme-tags .tag {
    background: rgba(99, 102, 241, 0.9);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
}

.meme-actions {
    display: flex;
    gap: 6px;
}

.meme-action-btn {
    flex: 1;
    padding: 8px;
    border: none;
    border-radius: 6px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
}

.meme-action-btn:hover {
    transform: scale(1.1);
}

.copy-btn.copied {
    background: var(--success-color);
}

.delete-btn {
    background: rgba(239, 68, 68, 0.9);
}

.delete-btn:hover {
    background: var(--danger-color);
}

/* ========== 空状态 ========== */

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 100px 20px;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: underline;
    padding: 4px 8px;
}

.btn-link:hover {
    color: var(--primary-hover);
}

/* ========== 加载更多按钮 ========== */

.load-more-container {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    padding: 40px 20px;
}

.auto-load-sentinel {
    width: 100%;
    height: 1px;
    pointer-events: none;
}

.btn-load-more {
    padding: 14px 32px;
    border: 2px solid var(--primary-color);
    background: white;
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.btn-load-more:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-load-more:active {
    transform: translateY(0);
}

/* ========== 弹窗 ========== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.modal.show {
    display: flex;
}

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

.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

.modal-content.modal-small {
    max-width: 400px;
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-color);
    color: var(--text-color);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    justify-content: flex-end;
}

/* ========== 表单 ========== */

.add-mode-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    background: var(--bg-color);
    padding: 4px;
    border-radius: 10px;
}

.add-mode-tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.add-mode-tab:hover {
    color: var(--text-color);
}

.add-mode-tab.active {
    background: var(--card-bg);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.add-mode-content {
    display: block;
}

.add-mode-content.hidden {
    display: none;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-color);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: #f8f9ff;
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: #f0f1ff;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

.upload-area p {
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 4px;
}

.upload-hint {
    color: var(--text-secondary);
    font-size: 0.85rem !important;
}

.image-preview {
    margin-top: 16px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.image-preview.hidden {
    display: none;
}

.image-preview img {
    width: 100%;
    display: block;
    max-height: 300px;
    object-fit: contain;
    background: var(--bg-color);
}

.preview-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    font-size: 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-remove:hover {
    background: var(--danger-color);
    transform: scale(1.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-color);
}

.form-group textarea,
.form-group input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s ease;
    resize: vertical;
    background: var(--card-bg);
    color: var(--text-color);
}

.form-group textarea:focus,
.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-color);
    color: var(--text-color);
}

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

.message {
    margin-top: 12px;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
}

.message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
    display: block;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    display: block;
}

/* ========== 菜单 ========== */

.menu-stats {
    background: var(--bg-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.menu-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-btn {
    width: 100%;
    padding: 14px 16px;
    border: none;
    background: var(--bg-color);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.2s ease;
}

.menu-btn:hover {
    background: var(--border-color);
    transform: translateX(4px);
}

.menu-btn svg {
    color: var(--text-secondary);
}

.menu-btn-danger {
    color: var(--danger-color);
}

.menu-btn-danger:hover {
    background: #fee2e2;
}

.menu-btn-danger svg {
    color: var(--danger-color);
}

/* ========== 管理员验证弹窗美化 ========== */

#adminModal .modal-header h2 {
    display: flex;
    align-items: center;
    gap: 8px;
}

#adminModal .form-group {
    margin-bottom: 0;
}

#adminModal .form-group label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 12px;
}

#adminKeyInput {
    width: 100%;
    padding: 14px 16px;
    padding-right: 48px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    background: var(--bg-color);
}

#adminKeyInput:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--card-bg);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    transform: translateY(-1px);
}

#adminKeyInput::placeholder {
    letter-spacing: normal;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* 密码输入框容器 */
.admin-input-wrapper {
    position: relative;
}

.admin-input-wrapper .toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px 8px;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.admin-input-wrapper .toggle-password:hover {
    opacity: 1;
}

#adminMessage {
    margin-top: 12px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== 标签管理弹窗 ========== */

.tags-meme-info {
    background: var(--bg-color);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.tags-meme-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.tags-meme-name {
    color: var(--text-color);
    font-weight: 600;
}

.tags-hint {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ========== 网格大小选择器 ========== */

.size-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.size-option {
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.size-option:hover {
    border-color: var(--primary-color);
    background: #f8f9ff;
}

.size-option.active {
    border-color: var(--primary-color);
    background: #f0f1ff;
}

.size-option span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-color);
}

.size-preview {
    width: 100%;
    aspect-ratio: 1;
    background: #f8fafc;
    border-radius: 8px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-grid {
    display: grid;
    gap: 4px;
    width: 100%;
    height: 100%;
}

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

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

.preview-grid.large {
    grid-template-columns: repeat(1, 1fr);
}

.preview-item {
    background: var(--primary-color);
    border-radius: 4px;
    opacity: 0.6;
}

/* ========== Toast ========== */

.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 16px 24px;
    border-radius: 12px;
    background: #1e293b;
    color: white;
    font-weight: 600;
    box-shadow: var(--shadow-xl);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 2000;
    max-width: 300px;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--success-color);
}

.toast.error {
    background: var(--danger-color);
}

/* ========== 移动端优化 ========== */

@media (max-width: 768px) {
    .header {
        padding: 0 15px;
    }

    .logo {
        font-size: 1.1rem;
    }

    .icon-btn {
        width: 36px;
        height: 36px;
    }

    .gallery-container {
        padding-top: 135px;  /* 60px header + 55px category tabs + 20px spacing */
    }

    .modal-content {
        max-width: 100%;
        border-radius: 16px 16px 0 0;
        margin-top: auto;
    }

    .toast {
        bottom: 20px;
        right: 20px;
        left: 20px;
        max-width: none;
    }
}