* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', PingFang SC, 'Microsoft YaHei', sans-serif;
    background-color: #f5f7fa;
    color: #333;
    overflow: hidden;
    height: 100vh;
}

#app {
    display: flex;
    height: 100vh;
}

/* ==================== 左侧侧边栏 ==================== */
.sidebar {
    width: 240px;
    background-color: #1e293b;
    color: #fff;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width 0.3s;
}

.sidebar .logo {
    padding: 24px 20px;
    border-bottom: 1px solid #334155;
}

.sidebar .logo h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.sidebar .logo p {
    font-size: 12px;
    color: #94a3b8;
}

.sidebar .menu {
    flex: 1;
    padding-top: 16px;
    overflow-y: auto;
}

.sidebar .menu ul {
    list-style: none;
}

.sidebar .menu .menu-item {
    margin-bottom: 4px;
}

.sidebar .menu .menu-item a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.sidebar .menu .menu-item:hover a {
    background-color: #334155;
    color: #fff;
}

.sidebar .menu .menu-item.active a {
    background-color: #3b82f6;
    color: #fff;
}

.sidebar .menu .menu-item .icon {
    margin-right: 12px;
    font-size: 16px;
}

.sidebar .menu .menu-item .arrow {
    margin-left: auto;
    transition: transform 0.2s;
}

.sidebar .menu .menu-item.collapsed .arrow {
    transform: rotate(-90deg);
}

.sidebar .menu .submenu {
    background-color: #0f172a;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s;
}

.sidebar .menu .submenu.expanded {
    max-height: 500px;
}

.sidebar .menu .submenu a {
    padding-left: 52px;
    font-size: 14px;
}

/* ==================== 主内容区 ==================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    height: 60px;
    background-color: #fff;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.breadcrumb {
    font-size: 14px;
    color: #64748b;
}

.breadcrumb span {
    margin: 0 8px;
}

.breadcrumb .current {
    color: #3b82f6;
    font-weight: 500;
}

.user-info {
    font-size: 14px;
    color: #64748b;
}

/* ==================== 内容容器 ==================== */
.content-container {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* ==================== 中间预览区 ==================== */
.preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #f5f7fa;
    overflow: hidden;
}

.preview-header {
    height: 50px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    background-color: #fff;
    border-bottom: 1px solid #e2e8f0;
}

.preview-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
}

.preview-frame-container {
    flex: 1;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: auto;
}

#preview-frame {
    width: 375px;
    height: 812px;
    border: 2px solid #cbd5e1;
    border-radius: 20px;
    background-color: #fff;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

/* ==================== 右侧配置面板 ==================== */
.config-panel {
    width: 380px;
    background-color: #fff;
    border-left: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.config-header {
    height: 50px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e2e8f0;
}

.config-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
}

.config-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

/* ==================== 表单样式 ==================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
    background-color: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-group .checkbox-group {
    display: flex;
    align-items: center;
}

.form-group .checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
}

.form-group .checkbox-group label {
    margin-bottom: 0;
    cursor: pointer;
}

/* 图片上传预览 */
.image-upload {
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s;
}

.image-upload:hover {
    border-color: #3b82f6;
}

.image-upload input[type="file"] {
    display: none;
}

.image-upload .placeholder {
    color: #94a3b8;
    font-size: 14px;
}

.image-preview {
    margin-top: 12px;
    max-width: 100%;
    border-radius: 6px;
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    height: auto;
    display: block;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background-color: #3b82f6;
    color: #fff;
}

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-secondary {
    background-color: #f1f5f9;
    color: #334155;
    border: 1px solid #cbd5e1;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

.btn-danger {
    background-color: #ef4444;
    color: #fff;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* 数据卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.stat-card .stat-label {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #1e293b;
}

.stat-card.stat-primary .stat-value {
    color: #3b82f6;
}

.stat-card.stat-success .stat-value {
    color: #10b981;
}

.stat-card.stat-warning .stat-value {
    color: #f59e0b;
}

.stat-card.stat-danger .stat-value {
    color: #ef4444;
}

/* 图表容器 */
.chart-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    margin-bottom: 24px;
}

.chart-container h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1e293b;
}

/* 素材网格 */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 12px;
}

.material-item {
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
}

.material-item:hover {
    border-color: #3b82f6;
}

.material-item.selected {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

.material-item img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    display: block;
}

.material-item .material-name {
    padding: 8px;
    font-size: 12px;
    text-align: center;
    color: #64748b;
}

/* 关卡列表 */
.level-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    max-height: 300px;
    overflow-y: auto;
}

.level-item {
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.level-item:hover {
    border-color: #3b82f6;
}

.level-item.selected {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

.level-item .level-num {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 4px;
}

.level-item .level-name {
    font-size: 12px;
    color: #64748b;
}

/* 服务器状态条 */
.status-bar {
    width: 100%;
    height: 10px;
    background-color: #e2e8f0;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 8px;
}

.status-bar-fill {
    height: 100%;
    transition: width 0.3s;
}

.status-bar-fill.success {
    background-color: #10b981;
}

.status-bar-fill.warning {
    background-color: #f59e0b;
}

.status-bar-fill.danger {
    background-color: #ef4444;
}

/* 表格 */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #334155;
}

table tr:hover {
    background-color: #f8fafc;
}

.table-action-btn {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 4px;
    border: 1px solid #cbd5e1;
    background-color: #fff;
    cursor: pointer;
    margin-right: 4px;
}

.table-action-btn:hover {
    background-color: #f1f5f9;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #94a3b8;
}

.empty-state svg {
    margin-bottom: 16px;
    opacity: 0.5;
}

/* 响应式 */
@media (max-width: 1400px) {
    .config-panel {
        width: 340px;
    }
}