/* 全局样式 */
body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* 导航栏品牌名称 */
.navbar-brand {
    font-weight: 600;
}

/* 卡片悬停效果 */
.hover-card {
    transition: transform 0.3s, box-shadow 0.3s;
}

.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1) !important;
}

/* 预设列表样式 */
.preset-item {
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.preset-item:hover {
    border-left-color: #0d6efd;
}

.preset-item.active {
    border-left-color: #0d6efd;
    background-color: rgba(13, 110, 253, 0.1);
}

/* 表单元素增强 */
.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    border-color: #86b7fe;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

/* 头像上传按钮 */
#changeAvatarBtn {
    transition: opacity 0.3s;
    opacity: 0.7;
}

#changeAvatarBtn:hover {
    opacity: 1;
}

/* Cropper样式 */
.img-container {
    max-height: 500px;
    margin-bottom: 20px;
}

/* Tab内容区域 */
.tab-content {
    min-height: 400px;
}

/* 导航标签样式增强 */
.nav-tabs .nav-link {
    color: #495057;
    border-radius: 0;
    padding: 0.75rem 1rem;
}

.nav-tabs .nav-link.active {
    font-weight: 600;
    border-bottom: 3px solid #0d6efd;
}

.nav-pills .nav-link.active {
    background-color: #0d6efd;
}

/* 预设编辑器标题 */
.preset-file-title {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 0.5rem;
}

/* 按钮动画 */
.btn {
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
}

/* 聊天频道卡片样式 */
.chat-channel-item {
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.chat-channel-item:hover {
    border-left-color: #0d6efd;
    background-color: rgba(13, 110, 253, 0.05);
}

/* 表格样式增强 */
.table {
    border-color: #dee2e6;
}

.table thead th {
    background-color: #f8f9fa;
    font-weight: 600;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 响应式调整 */
@media (max-width: 767.98px) {
    .preset-item .preset-avatar img {
        width: 32px;
        height: 32px;
    }
    
    .card-header h5 {
        font-size: 1rem;
    }
    
    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}