/* 表情包按钮样式 */
.emoji-button {
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    margin-right: 8px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
}

.emoji-button:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

/* 表情包面板样式 */
.emoji-panel {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 400px;
    max-height: 500px;
    border-radius: 12px;
    z-index: 1000;
    overflow: hidden;
    transition: all 0.3s ease;
}

.emoji-panel.hidden {
    display: none;
}

/* 面板头部 */
.emoji-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
}

.emoji-tabs {
    display: flex;
    gap: 8px;
}

.emoji-tab {
    background: transparent;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

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

.emoji-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

/* 面板内容 */
.emoji-panel-content {
    height: 400px;
    overflow: hidden;
}

.emoji-tab-content {
    display: none;
    height: 100%;
    overflow-y: auto;
    padding: 16px;
}

.emoji-tab-content.active {
    display: block;
}

/* 表情包网格 */
.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
    max-height: 350px;
    overflow-y: auto;
}

.emoji-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.emoji-item:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.emoji-item img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
}

/* 上传区域 */
.emoji-upload-area {
    margin-bottom: 24px;
}

.upload-drop-zone {
    border-radius: 12px;
    padding: 32px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-drop-zone:hover,
.upload-drop-zone.drag-over {
    border-color: var(--primary-color);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.upload-text {
    font-size: 16px;
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 14px;
}

/* 空状态 */
.emoji-empty,
.emoji-loading {
    text-align: center;
    padding: 32px 16px;
    font-size: 14px;
}

/* 消息中的表情包样式 */
.message-emoji {
    max-width: 120px;
    max-height: 120px;
    border-radius: 8px;
    margin: 4px 0;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.message-emoji:hover {
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .emoji-panel {
        width: calc(100vw - 40px);
        right: 20px;
        left: 20px;
        bottom: 60px;
    }
    
    .emoji-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    }
    
    .emoji-item img {
        width: 36px;
        height: 36px;
    }
}

/* 滚动条样式 */
.emoji-grid::-webkit-scrollbar,
.emoji-tab-content::-webkit-scrollbar {
    width: 6px;
}

.emoji-grid::-webkit-scrollbar-track,
.emoji-tab-content::-webkit-scrollbar-track {
    border-radius: 3px;
}

.emoji-grid::-webkit-scrollbar-thumb,
.emoji-tab-content::-webkit-scrollbar-thumb {
    border-radius: 3px;
}

/* 右键菜单样式 */
.emoji-context-menu {
    position: fixed;
    z-index: 10000;
    min-width: 150px;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.15s ease, transform 0.15s ease;
    border-radius: 8px;
}

.emoji-context-menu.show {
    opacity: 1;
    transform: scale(1);
}

.context-menu-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.context-menu-icon {
    margin-right: 8px;
    font-size: 14px;
}

.context-menu-text {
    font-size: 14px;
}

/* 删除操作的特殊样式 */
.context-menu-item[data-action="delete"]:hover {
    background: var(--danger-color);
    color: white;
}

/* 动画效果 */
@keyframes emojiPop {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.emoji-item {
    animation: emojiPop 0.3s ease;
}

/* 保留必要的颜色变量（与主题系统兼容） */
:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --primary-light: rgba(0, 123, 255, 0.1);
    --danger-color: #dc3545;
    --danger-hover: #c82333;
}

/* 表情包数量状态栏 */
.emoji-count-status {
    padding: 8px 12px;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.emoji-count-status .count-info {
    font-weight: 500;
}

.emoji-count-status .count-limit {
    font-size: 11px;
}

/* 上传配额信息 */
.upload-quota-info {
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 15px;
    font-size: 13px;
}

.upload-quota-info .quota-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.upload-quota-info .quota-title {
    font-weight: 600;
}

.upload-quota-info .quota-count {
    font-weight: 500;
}

.upload-quota-progress {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 6px;
}

.upload-quota-progress-bar {
    height: 100%;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.upload-quota-progress-bar.low {
    background: linear-gradient(90deg, #4caf50 0%, #66bb6a 100%);
}

.upload-quota-progress-bar.medium {
    background: linear-gradient(90deg, #ff9800 0%, #ffb74d 100%);
}

.upload-quota-progress-bar.high {
    background: linear-gradient(90deg, #f44336 0%, #ef5350 100%);
}

.upload-quota-info .quota-tip {
    font-size: 11px;
    line-height: 1.4;
}

/* 上传区域禁用状态 */
.emoji-upload-area.disabled {
    opacity: 0.6;
    pointer-events: none;
}

/* 浅色主题（默认）变量 */
:root {
    /* 表情包面板专用变量 */
    --emoji-panel-bg: #ffffff;
    --emoji-panel-header-bg: #f8f9fa;
    --emoji-panel-border: #dee2e6;
    --emoji-panel-shadow: rgba(0, 0, 0, 0.1);
    --emoji-panel-text-primary: #212529;
    --emoji-panel-text-secondary: #6c757d;
    --emoji-panel-hover-bg: #f8f9fa;
    --emoji-panel-card-bg: #ffffff;
    --emoji-panel-scrollbar-track: #f8f9fa;
    --emoji-panel-scrollbar-thumb: #dee2e6;
    --emoji-panel-scrollbar-thumb-hover: #6c757d;
    
    /* 上传区域变量 */
    --emoji-upload-border: #dee2e6;
    --emoji-upload-bg: #ffffff;
    --emoji-upload-hover-bg: rgba(0, 123, 255, 0.1);
    --emoji-upload-disabled-bg: #f5f5f5;
    --emoji-upload-disabled-border: #ddd;
    --emoji-upload-disabled-text: #999;
    
    /* 状态栏变量 */
    --emoji-status-bg: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    --emoji-status-border: #dee2e6;
    --emoji-status-text: #6c757d;
    
    /* 配额信息变量 */
    --emoji-quota-bg: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    --emoji-quota-border: #bbdefb;
    --emoji-quota-title: #1976d2;
    --emoji-quota-text: #424242;
    --emoji-quota-progress-bg: #e0e0e0;
    --emoji-quota-tip: #666;
    
    /* 右键菜单变量 */
    --emoji-context-bg: #ffffff;
    --emoji-context-border: #dee2e6;
    --emoji-context-shadow: rgba(0, 0, 0, 0.15);
    --emoji-context-hover-bg: #f8f9fa;
    --emoji-context-text: #212529;
}

/* 深色主题适配 */
body.dark-theme {
    /* 表情包面板深色主题变量 */
    --emoji-panel-bg: #1e1e1e;
    --emoji-panel-header-bg: #2d2d2d;
    --emoji-panel-border: #404040;
    --emoji-panel-shadow: rgba(0, 0, 0, 0.3);
    --emoji-panel-text-primary: #ffffff;
    --emoji-panel-text-secondary: #b0b0b0;
    --emoji-panel-hover-bg: #3d3d3d;
    --emoji-panel-card-bg: #2d2d2d;
    --emoji-panel-scrollbar-track: #2d2d2d;
    --emoji-panel-scrollbar-thumb: #404040;
    --emoji-panel-scrollbar-thumb-hover: #555555;
    
    /* 上传区域深色主题 */
    --emoji-upload-border: #404040;
    --emoji-upload-bg: #2d2d2d;
    --emoji-upload-hover-bg: rgba(102, 126, 234, 0.15);
    --emoji-upload-disabled-bg: #1a1a1a;
    --emoji-upload-disabled-border: #333;
    --emoji-upload-disabled-text: #666;
    
    /* 状态栏深色主题 */
    --emoji-status-bg: linear-gradient(135deg, #2d2d2d 0%, #3d3d3d 100%);
    --emoji-status-border: #404040;
    --emoji-status-text: #b0b0b0;
    
    /* 配额信息深色主题 */
    --emoji-quota-bg: linear-gradient(135deg, #1a2332 0%, #2d1b3d 100%);
    --emoji-quota-border: #3d4a5c;
    --emoji-quota-title: #64b5f6;
    --emoji-quota-text: #e0e0e0;
    --emoji-quota-progress-bg: #404040;
    --emoji-quota-tip: #b0b0b0;
    
    /* 右键菜单深色主题 */
    --emoji-context-bg: #1e1e1e;
    --emoji-context-border: #404040;
    --emoji-context-shadow: rgba(0, 0, 0, 0.4);
    --emoji-context-hover-bg: #3d3d3d;
    --emoji-context-text: #ffffff;
}

/* 更新现有样式以使用新变量 */
.emoji-panel {
    background: var(--emoji-panel-bg);
    border: 1px solid var(--emoji-panel-border);
    box-shadow: 0 8px 32px var(--emoji-panel-shadow);
}

.emoji-panel-header {
    background: var(--emoji-panel-header-bg);
    border-bottom: 1px solid var(--emoji-panel-border);
}

.emoji-tab {
    color: var(--emoji-panel-text-secondary);
}

.emoji-tab:hover:not(.active) {
    background: var(--emoji-panel-hover-bg);
}

.emoji-close {
    color: var(--emoji-panel-text-secondary);
}

.emoji-close:hover {
    background: var(--emoji-panel-hover-bg);
    color: var(--emoji-panel-text-primary);
}

.emoji-item {
    background: var(--emoji-panel-card-bg);
}

.emoji-item:hover {
    background: var(--emoji-panel-hover-bg);
}

.emoji-name {
    color: var(--emoji-panel-text-secondary);
}

.upload-drop-zone {
    border: 2px dashed var(--emoji-upload-border);
    background: var(--emoji-upload-bg);
}

.upload-drop-zone:hover,
.upload-drop-zone.drag-over {
    background: var(--emoji-upload-hover-bg);
}

.upload-text {
    color: var(--emoji-panel-text-primary);
}

.upload-hint {
    color: var(--emoji-panel-text-secondary);
}

.emoji-empty,
.emoji-loading {
    color: var(--emoji-panel-text-secondary);
}

/* 滚动条主题适配 */
.emoji-grid::-webkit-scrollbar-track,
.emoji-tab-content::-webkit-scrollbar-track {
    background: var(--emoji-panel-scrollbar-track);
}

.emoji-grid::-webkit-scrollbar-thumb,
.emoji-tab-content::-webkit-scrollbar-thumb {
    background: var(--emoji-panel-scrollbar-thumb);
}

.emoji-grid::-webkit-scrollbar-thumb:hover,
.emoji-tab-content::-webkit-scrollbar-thumb:hover {
    background: var(--emoji-panel-scrollbar-thumb-hover);
}

/* 右键菜单主题适配 */
.emoji-context-menu {
    background: var(--emoji-context-bg);
    border: 1px solid var(--emoji-context-border);
    box-shadow: 0 4px 16px var(--emoji-context-shadow);
}

.context-menu-item {
    color: var(--emoji-context-text);
}

.context-menu-item:hover {
    background: var(--emoji-context-hover-bg);
}

/* 表情包数量状态栏主题适配 */
.emoji-count-status {
    background: var(--emoji-status-bg);
    border-bottom: 1px solid var(--emoji-status-border);
    color: var(--emoji-status-text);
}

.emoji-count-status .count-limit {
    color: var(--emoji-panel-text-primary);
}

/* 上传配额信息主题适配 */
.upload-quota-info {
    background: var(--emoji-quota-bg);
    border: 1px solid var(--emoji-quota-border);
}

.upload-quota-info .quota-title {
    color: var(--emoji-quota-title);
}

.upload-quota-info .quota-count {
    color: var(--emoji-quota-text);
}

.upload-quota-progress {
    background-color: var(--emoji-quota-progress-bg);
}

.upload-quota-info .quota-tip {
    color: var(--emoji-quota-tip);
}

/* 上传区域禁用状态主题适配 */
.emoji-upload-area.disabled {
    background: var(--emoji-upload-disabled-bg);
    border-color: var(--emoji-upload-disabled-border);
}

.emoji-upload-area.disabled .upload-text {
    color: var(--emoji-upload-disabled-text);
}

.emoji-upload-area.disabled .upload-hint {
    color: var(--emoji-upload-disabled-text);
}

/* 深色主题下的特殊样式调整 */
body.dark-theme .emoji-panel {
    /* 增强深色主题下的阴影效果 */
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 4px 16px rgba(0, 0, 0, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.2);
}

body.dark-theme .emoji-item:hover {
    /* 深色主题下的悬停效果 */
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
}

body.dark-theme .upload-drop-zone:hover,
body.dark-theme .upload-drop-zone.drag-over {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
}

body.dark-theme .emoji-context-menu {
    /* 深色主题下的右键菜单增强阴影 */
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.5),
        0 4px 12px rgba(0, 0, 0, 0.4);
}

/* 主题切换动画 */
.emoji-panel,
.emoji-panel-header,
.emoji-tab,
.emoji-close,
.emoji-item,
.upload-drop-zone,
.emoji-context-menu,
.context-menu-item,
.emoji-count-status,
.upload-quota-info {
    transition: 
        background-color 0.3s ease,
        border-color 0.3s ease,
        color 0.3s ease,
        box-shadow 0.3s ease;
}