/* 图标样式优化 - 微信风格 */

/* SVG 图标基础样式 */
.voice-mode-toggle svg,
.emoji-btn svg {
    width: 22px;
    height: 22px;
    display: block;
}

/* 语音模式切换按钮 */
.voice-mode-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    border-radius: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    position: relative;
    z-index: 2;
    visibility: visible;
    opacity: 1;
}

.voice-mode-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.voice-mode-toggle:active {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(0.95);
}

/* 表情按钮 */
.emoji-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    border-radius: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    position: relative;
    z-index: 2;
    visibility: visible;
    opacity: 1;
}

.emoji-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.emoji-btn:active {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(0.95);
}

/* 更多按钮（加号） */
.more-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    border-radius: 4px;
    transition: all 0.2s ease;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    position: relative;
    font-size: 32px;
    font-weight: 300;
    line-height: 1;
    z-index: 2;
    visibility: visible;
    opacity: 1;
}

.more-btn::before {
    content: '+';
    position: absolute;
    font-size: 32px;
    font-weight: 300;
    line-height: 1;
}

.more-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.more-btn:active {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(0.95);
}

/* 移动端优化 */
@media (max-width: 768px) {
    .voice-mode-toggle,
    .emoji-btn,
    .more-btn {
        width: 32px;
        height: 32px;
    }
    
    .voice-mode-toggle svg,
    .emoji-btn svg {
        width: 18px;
        height: 18px;
    }
    
    .more-btn::before {
        font-size: 24px;
    }
}