/* 功能按钮和菜单组件样式 - 微信风格 */

/* 功能按钮样式增强 */
.function-button {
    background: #07c160;
    color: white;
    border: none;
    padding: 0;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: 4px;
    touch-action: manipulation;
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%) scale(1);
    opacity: 1;
    box-shadow: 0 2px 8px rgba(7, 193, 96, 0.2);
    font-size: 16px;
    z-index: 10;
}

/* 功能按钮图标 */
.function-button .function-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

/* 功能按钮悬停效果 */
.function-button:hover {
    background: #06ad56;
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 4px 12px rgba(7, 193, 96, 0.3);
}

.function-button:hover .function-icon {
    transform: rotate(90deg);
}

/* 功能按钮激活效果 */
.function-button:active {
    background: #059748;
    transform: translateY(-50%) scale(0.95);
}

/* 功能按钮显示状态 */
.function-button.show {
    transform: translateY(-50%) scale(1);
    opacity: 1;
    pointer-events: auto;
}

/* 功能按钮隐藏状态 */
.function-button.hide {
    transform: translateY(-50%) scale(0);
    opacity: 0;
    pointer-events: none;
}

/* 功能菜单容器 - 微信风格底部滑出 */
.function-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: none;
    pointer-events: none;
}

.function-menu.show {
    display: block;
    pointer-events: auto;
}

/* 功能菜单遮罩层 */
.function-menu-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.function-menu.show .function-menu-overlay {
    opacity: 1;
}

/* 功能菜单内容 - 底部面板 */
.function-menu-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    max-height: 60vh;
    overflow: hidden;
    z-index: 1001;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.function-menu.show .function-menu-content {
    transform: translateY(0);
}

/* 功能菜单头部 - 微信风格 */
.function-menu-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 24px 20px;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
}

/* 拖拽指示器 */
.function-menu-header::before {
    content: '';
    width: 36px;
    height: 4px;
    background: #d1d1d6;
    border-radius: 2px;
    margin-bottom: 16px;
}

.function-menu-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    color: #666;
}

.function-menu-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    border-radius: 50%;
    color: #666;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.function-menu-close:hover {
    background: #f5f5f5;
    color: #333;
}

/* 功能菜单网格 - 微信风格 */
.function-menu-grid {
    padding: 24px 20px 32px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px 16px;
    max-height: 50vh;
    overflow-y: auto;
}

/* 功能菜单项 - 垂直布局 */
.function-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 8px;
    min-height: 80px;
    justify-content: center;
}

.function-menu-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

.function-menu-item:active {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(0.95);
}

/* 功能菜单项图标 - 微信风格 */
.function-menu-item-icon {
    font-size: 28px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: #f8f9fa;
    border-radius: 12px;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.function-menu-item:hover .function-menu-item-icon {
    transform: scale(1.05);
}

/* 功能菜单项内容 */
.function-menu-item-content {
    text-align: center;
    width: 100%;
}

.function-menu-item-title {
    font-size: 12px;
    font-weight: 400;
    color: #333;
    line-height: 1.2;
    margin: 0;
}

.function-menu-item-description {
    display: none; /* 微信风格不显示描述 */
}

/* 响应式设计 - 微信风格 */
@media (max-width: 480px) {
    .function-menu-grid {
        padding: 20px 16px 28px;
        gap: 20px 12px;
        grid-template-columns: repeat(4, 1fr);
    }

    .function-menu-item {
        padding: 8px 4px;
        min-height: 72px;
    }

    .function-menu-item-icon {
        font-size: 24px;
        width: 44px;
        height: 44px;
        margin-bottom: 6px;
    }

    .function-menu-item-title {
        font-size: 11px;
    }

    .function-menu-header {
        padding: 10px 20px 16px;
    }

    .function-menu-header h3 {
        font-size: 15px;
    }
}

/* 大屏幕适配 */
@media (min-width: 768px) {
    .function-menu-grid {
        grid-template-columns: repeat(6, 1fr);
        padding: 32px 40px 40px;
        gap: 32px 20px;
    }

    .function-menu-item {
        min-height: 90px;
        padding: 16px 12px;
    }

    .function-menu-item-icon {
        width: 52px;
        height: 52px;
        font-size: 30px;
        margin-bottom: 10px;
    }

    .function-menu-item-title {
        font-size: 13px;
    }
}

/* 动画增强 - 底部滑出效果 */
.function-menu.animate-in .function-menu-content {
    animation: menuSlideUp 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes menuSlideUp {
    0% {
        transform: translateY(100%);
    }
    100% {
        transform: translateY(0);
    }
}

/* 关闭动画 */
.function-menu.animate-out .function-menu-content {
    animation: menuSlideDown 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes menuSlideDown {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(100%);
    }
}

/* 滚动条样式 */
.function-menu-grid::-webkit-scrollbar {
    width: 6px;
}

.function-menu-grid::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.function-menu-grid::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.function-menu-grid::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 管理命令菜单项统一样式 - 与其他图标保持一致 */
.function-menu-item[data-action="clearChat"] .function-menu-item-icon,
.function-menu-item[data-action="pwaManage"] .function-menu-item-icon,
.function-menu-item[data-action="logout"] .function-menu-item-icon {
    background: #f8f9fa;
    color: inherit;
}

/* 管理命令菜单项悬停效果 - 统一样式 */
.function-menu-item[data-action="clearChat"]:hover .function-menu-item-icon,
.function-menu-item[data-action="pwaManage"]:hover .function-menu-item-icon,
.function-menu-item[data-action="logout"]:hover .function-menu-item-icon {
    background: #f8f9fa;
    transform: scale(1.05);
}