/* 项目管理系统（xm.hdztb.com）ERP 风格界面样式 */

:root {
    --xm-primary: #003399;
    --xm-primary-light: #1a4bb8;
    --xm-sidebar: #1f2a3d;
    --xm-sidebar-hover: #2a3850;
    --xm-bg: #f0f2f5;
    --xm-surface: #ffffff;
    --xm-border: #e5e6eb;
    --xm-text: #1d2129;
    --xm-text-soft: #4e5969;
    --xm-muted: #86909c;
    --xm-radius: 4px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    background: var(--xm-bg);
    color: var(--xm-text);
    font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

a {
    color: var(--xm-primary);
    text-decoration: none;
}

/* --------------------------------------------------------------------------
   整体布局：左侧导航 + 右侧内容
   -------------------------------------------------------------------------- */
.xm-layout {
    display: flex;
    min-height: 100vh;
}

.xm-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 20;
    display: flex;
    flex-direction: column;
    width: 216px;
    background: var(--xm-sidebar);
    color: #c9d1dc;
}

.xm-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 56px;
    padding: 0 16px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .5px;
}

.xm-logo-mark {
    display: block;
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
}

.xm-menu {
    flex: 1 1 auto;
    padding: 10px 0;
    overflow-y: auto;
}

.xm-menu-group {
    padding: 12px 16px 6px;
    color: rgba(255, 255, 255, .38);
    font-size: 12px;
    letter-spacing: 1px;
}

.xm-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 42px;
    margin: 2px 8px;
    padding: 0 12px;
    border-radius: var(--xm-radius);
    color: #c9d1dc;
    font-size: 14px;
    transition: background .15s ease, color .15s ease;
}

.xm-menu a:hover {
    background: var(--xm-sidebar-hover);
    color: #fff;
}

.xm-menu a.active {
    background: var(--xm-primary);
    color: #fff;
    font-weight: 600;
}

.xm-menu-icon {
    width: 18px;
    text-align: center;
    font-size: 15px;
}

.xm-sidebar-foot {
    padding: 12px 16px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    color: rgba(255, 255, 255, .38);
    font-size: 12px;
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   顶部栏 + 内容区
   -------------------------------------------------------------------------- */
.xm-main {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-width: 0;
    margin-left: 216px;
}

.xm-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 56px;
    padding: 0 24px;
    background: var(--xm-surface);
    border-bottom: 1px solid var(--xm-border);
}

.xm-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--xm-muted);
    font-size: 13px;
}

.xm-breadcrumb strong {
    color: var(--xm-text);
    font-weight: 600;
}

.xm-header-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--xm-muted);
    font-size: 13px;
}

.xm-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 10px;
    border-radius: 10px;
    background: #e8f7ee;
    color: #0f9d58;
    font-size: 12px;
}

.xm-status::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.xm-content {
    flex: 1 1 auto;
    padding: 20px 24px 32px;
}

.xm-page-title {
    margin-bottom: 16px;
}

.xm-page-title h1 {
    margin: 0 0 4px;
    font-size: 20px;
    font-weight: 600;
    color: var(--xm-text);
}

.xm-page-title p {
    margin: 0;
    color: var(--xm-muted);
    font-size: 13px;
}

/* --------------------------------------------------------------------------
   卡片与网格
   -------------------------------------------------------------------------- */
.xm-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.xm-card {
    background: var(--xm-surface);
    border: 1px solid var(--xm-border);
    border-radius: var(--xm-radius);
}

.xm-card + .xm-card {
    margin-top: 16px;
}

.xm-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f1f4;
    font-size: 14px;
    font-weight: 600;
}

.xm-card-head::before {
    content: "";
    width: 3px;
    height: 14px;
    margin-right: 8px;
    border-radius: 2px;
    background: var(--xm-primary);
}

.xm-card-head > span:first-child {
    flex: 1 1 auto;
}

.xm-card-body {
    padding: 16px;
}

.xm-card-body p {
    margin: 0 0 10px;
    color: var(--xm-text-soft);
    line-height: 1.9;
}

.xm-card-body p:last-child {
    margin-bottom: 0;
}

.xm-info-list {
    margin: 0;
}

.xm-info-list > div {
    display: flex;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px dashed #eef0f3;
}

.xm-info-list > div:last-child {
    border-bottom: 0;
}

.xm-info-list dt {
    flex: 0 0 76px;
    color: var(--xm-muted);
}

.xm-info-list dd {
    flex: 1 1 auto;
    margin: 0;
    color: var(--xm-text);
    word-break: break-all;
}

/* --------------------------------------------------------------------------
   响应式：窄屏下侧栏改为顶部横向导航
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .xm-layout {
        flex-direction: column;
    }

    .xm-sidebar {
        position: static;
        width: auto;
        flex-direction: row;
        align-items: center;
    }

    .xm-logo {
        border-bottom: 0;
        border-right: 1px solid rgba(255, 255, 255, .08);
    }

    .xm-menu {
        display: flex;
        align-items: center;
        padding: 0 8px;
    }

    .xm-menu-group,
    .xm-sidebar-foot {
        display: none;
    }

    .xm-menu a {
        margin: 0 2px;
        height: 36px;
    }

    .xm-main {
        margin-left: 0;
    }

    .xm-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}