/* 论坛编辑器样式 */
.forum-editor-toolbar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-surface, #f8f9fa);
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 6px 6px 0 0;
    border-bottom: none;
}

.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 4px;
    background: var(--bg-surface, #ffffff);
    color: var(--text-color, #495057);
    cursor: pointer;
    transition: all 0.2s ease;
}

.toolbar-btn:hover {
    background: var(--bg-hover, #e9ecef);
    color: var(--text-color-hover, #212529);
}

.toolbar-btn:active {
    transform: translateY(1px);
}

.toolbar-btn .emoji {
    font-size: 16px;
    line-height: 1;
}

/* Emoji面板 */
.emoji-panel {
    position: absolute;
    z-index: 1000;
    background: var(--bg-surface, #ffffff);
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 1rem;
    max-width: 380px;
    max-height: 350px;
    overflow-y: auto;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 4px;
}

.emoji-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 6px;
    font-size: 20px;
    line-height: 1;
    transition: background-color 0.2s ease;
}

.emoji-btn:hover {
    background: var(--bg-hover, #f1f3f4);
}

.emoji-btn:active {
    background: var(--bg-active, #e8eaed);
}

/* 图片预览 */
.image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-surface, #f8f9fa);
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 6px;
    min-height: 60px;
}

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

.image-item {
    position: relative;
    width: 120px;
    height: 120px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-surface, #ffffff);
}

.image-item img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    display: block;
}

.image-info {
    padding: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted, #6c757d);
    background: var(--bg-surface, #ffffff);
}

.image-name {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.uploading {
    color: var(--primary-color, #007bff);
    font-weight: 500;
    text-align: center;
    padding: 0.25rem 0;
}

.remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.remove-btn:hover {
    background: rgba(220, 53, 69, 0.8);
}

/* 拖拽样式 */
.drag-over {
    border-color: var(--primary-color, #007bff) !important;
    background-color: rgba(0, 123, 255, 0.1) !important;
}

/* 文本域样式调整 */
.forum-editor-toolbar + textarea,
.forum-editor-toolbar + .form-control {
    border-radius: 0 0 6px 6px;
    border-top: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .emoji-panel {
        max-width: 320px;
        max-height: 280px;
        padding: 0.75rem;
    }
    
    .emoji-grid {
        grid-template-columns: repeat(8, 1fr);
    }
    
    .emoji-btn {
        width: 32px;
        height: 32px;
        font-size: 18px;
    }
    
    .image-item {
        width: 100px;
        height: 100px;
    }
    
    .image-item img {
        height: 70px;
    }
    
    .image-preview {
        padding: 0.75rem;
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .forum-editor-toolbar {
        padding: 0.375rem;
        gap: 0.375rem;
    }
    
    .toolbar-btn {
        width: 28px;
        height: 28px;
    }
    
    .emoji-panel {
        max-width: 280px;
        max-height: 240px;
        padding: 0.5rem;
    }
    
    .emoji-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 3px;
    }
    
    .emoji-btn {
        width: 28px;
        height: 28px;
        font-size: 16px;
    }
    
    .image-item {
        width: 80px;
        height: 80px;
    }
    
    .image-item img {
        height: 55px;
    }
    
    .image-info {
        padding: 0.25rem;
        font-size: 0.7rem;
    }
    
    .remove-btn {
        width: 18px;
        height: 18px;
        font-size: 12px;
        top: 2px;
        right: 2px;
    }
}

/* 深色主题支持 */
@media (prefers-color-scheme: dark) {
    .forum-editor-toolbar {
        background: var(--bg-surface-dark, #2d3748);
        border-color: var(--border-color-dark, #4a5568);
    }
    
    .toolbar-btn {
        background: var(--bg-surface-dark, #2d3748);
        border-color: var(--border-color-dark, #4a5568);
        color: var(--text-color-dark, #e2e8f0);
    }
    
    .toolbar-btn:hover {
        background: var(--bg-hover-dark, #4a5568);
        color: var(--text-color-hover-dark, #f7fafc);
    }
    
    .emoji-panel {
        background: var(--bg-surface-dark, #2d3748);
        border-color: var(--border-color-dark, #4a5568);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
    
    .emoji-btn:hover {
        background: var(--bg-hover-dark, #4a5568);
    }
    
    .emoji-btn:active {
        background: var(--bg-active-dark, #718096);
    }
    
    .image-preview {
        background: var(--bg-surface-dark, #2d3748);
        border-color: var(--border-color-dark, #4a5568);
    }
    
    .image-item {
        background: var(--bg-surface-dark, #2d3748);
        border-color: var(--border-color-dark, #4a5568);
    }
    
    .image-info {
        background: var(--bg-surface-dark, #2d3748);
        color: var(--text-muted-dark, #a0aec0);
    }
    
    .drag-over {
        border-color: var(--primary-color-dark, #63b3ed) !important;
        background-color: rgba(99, 179, 237, 0.2) !important;
    }
}

/* 动画效果 */
.image-item {
    animation: slideIn 0.3s ease-out;
}

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

.uploading {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* 滚动条样式 */
.emoji-panel::-webkit-scrollbar {
    width: 6px;
}

.emoji-panel::-webkit-scrollbar-track {
    background: var(--bg-surface, #f8f9fa);
    border-radius: 3px;
}

.emoji-panel::-webkit-scrollbar-thumb {
    background: var(--border-color, #dee2e6);
    border-radius: 3px;
}

.emoji-panel::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted, #6c757d);
}

/* 工具提示样式 */
.toolbar-btn[title] {
    position: relative;
}

.toolbar-btn[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 1001;
    margin-bottom: 0.25rem;
}

.toolbar-btn[title]:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.8);
    z-index: 1001;
}