/* 表情选择器样式 */
.emoji-picker {
    position: fixed;
    bottom: 180px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 400px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.emoji-picker__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid #e0e0e0;
    font-weight: 600;
    color: #333;
}

.emoji-picker__close {
    background: transparent;
    border: none;
    font-size: 2rem;
    color: #999;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.emoji-picker__close:hover {
    background: #f0f0f0;
    color: #333;
}

.emoji-picker__content {
    padding: 1rem;
    max-height: 300px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 0.5rem;
}

.emoji-btn {
    background: transparent;
    border: 1px solid transparent;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.emoji-btn:hover {
    background: #f0f0f0;
    border-color: #ddd;
    transform: scale(1.2);
}

.emoji-btn:active {
    transform: scale(0.95);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .emoji-picker {
        width: 95%;
        max-width: none;
        bottom: 160px;
    }
    
    .emoji-picker__content {
        grid-template-columns: repeat(6, 1fr);
        max-height: 250px;
    }
    
    .emoji-btn {
        font-size: 1.3rem;
        padding: 0.4rem;
    }
}

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

.emoji-picker__content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.emoji-picker__content::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 10px;
}

.emoji-picker__content::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}