* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

:root {
    --bg-main: #ffffff;
    --bg-secondary: #f7f8fa;
    --text-primary: #1d2129;
    --text-secondary: #4e5969;
    --border-color: #e5e6eb;
    --accent-blue: #4080ff;
    --status-red: #f53f3f;
    --status-green: #00b42a;
    --status-yellow: #ff7d00;
    --status-gray: #86909c;
}

body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* 导航栏 */
nav {
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

nav h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-right span {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 主容器（分栏布局） */
.container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 65px);
}

/* 左侧边栏 */
.sidebar {
    width: 320px;
    background-color: var(--bg-main);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.search-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 16px;
}

.filter-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filter-title h4 {
    font-size: 16px;
    font-weight: 600;
}

.toggle-filter {
    font-size: 13px;
    color: var(--accent-blue);
    cursor: pointer;
}

.sidebar-list {
    flex: 1;
    overflow-y: auto;
}

/* 左侧列表项 */
.sidebar-item {
    padding: 12px 16px;
    border-left: 3px solid transparent;
    cursor: pointer;
    transition: background 0.2s;
}

.sidebar-item:hover {
    background-color: var(--bg-secondary);
}

.sidebar-item.active {
    background-color: #e8f3ff;
    border-left-color: var(--accent-blue);
}

.sidebar-item .item-id {
    color: var(--status-red);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
}

.sidebar-item .item-title {
    font-size: 14px;
    color: var(--text-secondary);
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 右侧详情区 */
.content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.detail-view {
    background-color: var(--bg-main);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    overflow: hidden;
}

.placeholder {
    padding: 60px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
}

/* 详情头部 */
.detail-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.detail-id {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.detail-title {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.4;
}

/* 详情信息区 */
.detail-section {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.detail-section:last-child {
    border-bottom: none;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.info-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

/* 状态标签颜色 */
.status-tag {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    display: inline-block;
}
.status-已修复 { background: #e6f7e9; color: var(--status-green); }
.status-未修复 { background: #ffece8; color: var(--status-red); }
.status-待确认 { background: #fff7e8; color: var(--status-yellow); }
.status-不予修复 { background: #f2f3f5; color: var(--status-gray); }
.status-无法修复 { background: #fff3e0; color: #e67e22; }
.status-特意设计为之 { background: #f3e5f5; color: #7b1fa2; }

/* 描述文本 */
.detail-desc {
    white-space: pre-line;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.paginator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    background: #fff;
}
.paginator button {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}
.paginator button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.paginator span {
    font-size: 14px;
    color: var(--text-secondary);
}