/* ==========================================================================
   共用外壳样式：3D 打印工作区与 CNC 工作区共用同一套左侧导航。

   这份文件是侧边栏外壳的唯一来源：外壳（工作区切换、品牌区、模块导航、收起状态）
   的任何调整只需要改这里，两个工作区同时生效；两个工作区各自只保留内容区样式：
   - styles.css      → 3D 打印工作区内容区
   - cnc/styles.css  → CNC 工作区内容区
   ========================================================================== */

:root {
  --rfq-navy: #14233c;
  --rfq-blue: #1677ff;
  --rfq-canvas: #f1f5fc;
}

/* 响应式框架：两个工作区共用同一套宽度基准。 */
html, body { max-width: 100%; overflow-x: hidden; }
body { min-width: 0; }
.app-shell { min-width: 0; }

/* --------------------------------------------------------------- 基础外壳 */
.app-shell { display: grid; grid-template-columns: 392px minmax(0, 1fr); height: 100vh; min-height: 100vh; background: var(--rfq-canvas); }

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 26px 20px 18px;
  color: #fff;
  background: var(--rfq-navy);
  box-shadow: none;
  min-height: 0;
  overflow: hidden;
}

.brand { display: flex; align-items: center; gap: 12px; padding: 8px 10px 30px; }
.brand strong { display: block; font-size: 25px; letter-spacing: .01em; }
.brand span { display: block; margin-top: 7px; color: #a9c9f5; font-size: 17px; letter-spacing: 0; }

/* --------------------------------------------------------------- 左侧导航收起 */
.brand { position: relative; }
.sidebar-toggle { position:absolute; top:4px; right:0; display:grid; place-items:center; width:30px; height:30px; border:1px solid rgba(255,255,255,.18); border-radius:8px; color:#d9e8fb; background:rgba(255,255,255,.06); font-size:22px; line-height:1; }
.sidebar-toggle:hover { background:rgba(255,255,255,.14); }
.app-shell.sidebar-collapsed { grid-template-columns:82px minmax(0,1fr) !important; }
.app-shell.sidebar-collapsed .sidebar { width:82px; padding-left:12px; padding-right:12px; }
.app-shell.sidebar-collapsed .brand { justify-content:center; padding-left:0; padding-right:0; }
.app-shell.sidebar-collapsed .brand > div,
.app-shell.sidebar-collapsed .module-button > span:not(.module-index),
.app-shell.sidebar-collapsed .sidebar-context-placeholder,
.app-shell.sidebar-collapsed .brand { padding-bottom:38px; }
.app-shell.sidebar-collapsed .sidebar-toggle { position:static; transform:rotate(180deg); }
.app-shell.sidebar-collapsed .module-nav { gap:12px; }
.app-shell.sidebar-collapsed .module-button { justify-content:center; min-height:48px; padding:10px 8px; }
.app-shell.sidebar-collapsed .module-index { font-size:13px; }

/* 收起时隐藏整块左侧导航，仅保留 RFQ 状态栏左侧的展开按钮。 */
.app-shell.sidebar-collapsed { grid-template-columns: 0 minmax(0, 1fr) !important; }
.app-shell.sidebar-collapsed .sidebar { width: 0 !important; min-width: 0; padding: 0 !important; overflow: hidden; visibility: hidden; }
.auth-session-bar .session-sidebar-toggle,
.app-shell.sidebar-collapsed .auth-session-bar .session-sidebar-toggle { position: static; flex: 0 0 34px; width: 34px; height: 34px; margin-right: 2px; border-color: #cbd9ec; border-radius: 9px; color: #344054; background: #f8fbff; font-size: 20px; line-height: 1; transform: none !important; }
.auth-session-bar .session-sidebar-toggle:hover { color: #2164b0; background: #eef5ff; }

/* --------------------------------------------------------------- 模块导航 */

/* Supplier information library modules */
.module-nav { display: grid; gap: 18px; margin: 0; padding: 4px 0 0; border-bottom: 0; }
.module-button { display: grid; grid-template-columns: 1fr; align-items: center; gap: 3px; width: 100%; padding: 17px 18px; border: 1px solid #345174; border-radius: 15px; color: #dce9fb; background: transparent; text-align: left; }
.module-button:hover { background: rgba(255,255,255,.06); }
.module-button.active { color: #fff; border-color: var(--rfq-blue); background: var(--rfq-blue); }
.module-index { display: none; color: #78b8c2; font-size: 11px; font-weight: 800; }
.module-button strong { display: block; }
.module-button strong { font-size: 22px; font-weight: 600; }
.module-button.active small { color: #dce9fb; }

.module-button.has-children { grid-template-columns: minmax(0, 1fr) auto; }
.module-chevron { color: #9fc1ea; font-size: 18px; line-height: 1; transition: transform .18s ease; }
.module-button[aria-expanded="false"] .module-chevron { transform: rotate(-90deg); }
.module-group { display: grid; gap: 7px; }
.module-subnav { display: grid; gap: 5px; margin: 0 0 5px 14px; padding: 7px 0 7px 12px; border-left: 1px solid rgba(159,193,234,.28); }
.module-subnav-button { display: flex; align-items: center; width: 100%; padding: 10px 12px; border: 1px solid transparent; border-radius: 10px; color: #b9cfea; background: transparent; text-align: left; }
.module-subnav-button:hover { color: #fff; background: rgba(255,255,255,.06); }
.module-subnav-button.active { color: #fff; border-color: rgba(96,165,250,.55); background: rgba(22,119,255,.22); box-shadow: inset 3px 0 0 #60a5fa; }
.module-subnav-button span { font-size: 13px; font-weight: 600; }
.app-shell.sidebar-collapsed .module-subnav { display: none; }

/* Final page composition */
.app-shell { grid-template-columns: 270px minmax(0, 1fr) !important; }
.sidebar { width: 270px; padding: 30px 20px 24px; }
.brand { padding: 8px 10px 42px; }
.brand strong { font-size: 24px; }
.brand span { font-size: 15px; }
.module-nav { gap: 22px; }
.module-button { min-height: 68px; padding: 18px 16px; border-radius: 14px; }
.module-button strong { font-size: 20px; }

.brand { justify-content: flex-start; }
.brand > div { min-width: 0; }
.brand strong { white-space: nowrap; }

/* Final rendered dimensions */
.app-shell { grid-template-columns: 280px minmax(0, 1fr) !important; }
.sidebar { width: 280px; padding: 34px 22px 28px; }
.brand { padding-bottom: 38px; }
.brand strong { font-size: 24px; }
.brand span { font-size: 15px; }
.module-nav { gap: 22px; }
.module-button { min-height: 66px; padding: 17px 16px; }
.module-button strong { font-size: 19px; }

/* Authoritative sizing: wide navigation, wide list, flexible detail */
.app-shell { grid-template-columns: 360px minmax(0, 1fr); }
.sidebar { padding: 32px 24px 26px; }
.brand { padding: 10px 12px 40px; }
.brand strong { font-size: 30px; }
.brand span { font-size: 17px; }
.module-nav { gap: 20px; }
.module-button { min-height: 76px; padding: 20px; border-radius: 15px; }
.module-button strong { font-size: 21px; }

/* Final typography and width correction */
.app-shell { grid-template-columns: 430px minmax(0, 1fr); }
.sidebar { padding: 38px 28px 28px; }
.brand { padding: 10px 14px 46px; }
.brand strong { font-size: 32px; }
.brand span { margin-top: 9px; font-size: 19px; }
.module-nav { gap: 22px; }
.module-button { min-height: 86px; padding: 22px 22px; border-radius: 16px; }
.module-button strong { font-size: 24px; }

/* Reference layout sizing */
.app-shell { grid-template-columns: 330px minmax(0, 1fr); }
.sidebar { padding: 30px 20px 24px; }
.brand { padding: 8px 12px 36px; }
.brand strong { font-size: 27px; }
.brand span { font-size: 16px; }
.module-nav { gap: 16px; }
.module-button { min-height: 70px; padding: 18px; border-radius: 14px; }
.module-button strong { font-size: 19px; }

/* Final RFQ-aligned layout overrides */
.app-shell { grid-template-columns: 300px minmax(0, 1fr); }
.module-nav { gap: 10px; }
.module-button { min-height: 64px; padding: 17px 16px; border-radius: 12px; }

@media (max-width: 1360px) {
  .app-shell { grid-template-columns: 240px minmax(0, 1fr) !important; }
  .sidebar { width: 240px; padding: 24px 16px 20px; }
  .brand { padding: 6px 8px 26px; }
  .brand strong { font-size: 23px; }
  .brand span { font-size: 14px; }
  .module-nav { gap: 10px; }
  .module-button { min-height: 56px; padding: 13px 14px; }
  .module-button strong { font-size: 17px; }
}

@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 215px minmax(0, 1fr) !important; }
  .sidebar { width: 215px; padding: 20px 13px 18px; }
  .brand { padding-bottom: 22px; }
  .brand strong { font-size: 21px; }
  .brand span { font-size: 13px; }
  .module-button { min-height: 50px; padding: 11px 12px; }
  .module-button strong { font-size: 15px; }
}

@media (max-width: 900px) {
  .app-shell { display: block; min-height: 100vh; }
  .sidebar { position: relative; top: auto; z-index: 5; width: 100%; height: auto; padding: 14px 16px 12px; }
  .brand { padding: 0 2px 12px; }
  .brand strong { font-size: 20px; }
  .brand span { display: inline; margin-left: 8px; font-size: 13px; }
  .module-nav { display: flex; gap: 8px; padding: 0 0 3px; overflow-x: auto; scrollbar-width: thin; }
  .module-button { flex: 0 0 auto; width: auto; min-height: 44px; padding: 10px 14px; border-radius: 10px; white-space: nowrap; }
  .module-button strong { font-size: 14px; }
  .app-shell.sidebar-collapsed { display: block; }
  .app-shell.sidebar-collapsed .sidebar { display: none; }
}

@media (max-width: 640px) {
  .sidebar { padding: 12px; }
  .brand span { display: block; margin: 4px 0 0; }
}

.module-button small {
  display: block;
  margin-top: 5px;
  color: #96b3dc;
  font-size: 11px;
  font-weight: 400;
}

.module-button.active small { color: #dce9fb; }

/* ===== 侧边导航 v2：紧凑模块列表，仅保留编号与名称 ===== */
.app-shell { grid-template-columns: 292px minmax(0, 1fr) !important; }
.sidebar { width: 292px; padding: 26px 18px 22px; }
.sidebar .brand { padding: 6px 10px 30px; }
.sidebar .brand strong { font-size: 26px; }
.sidebar .brand span { font-size: 14px; }

.module-nav { display: grid; gap: 8px; margin: 0; padding: 0; border-bottom: 0; }
.module-button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 52px;
  padding: 11px 13px;
  border: 1px solid rgba(120,160,215,.28);
  border-radius: 12px;
  color: #dce9fb;
  background: rgba(255,255,255,.035);
  text-align: left;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}
.module-button:hover { border-color: rgba(150,190,240,.55); background: rgba(255,255,255,.09); }
.module-button.active { border-color: var(--rfq-blue); color: #fff; background: var(--rfq-blue); }
.module-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  color: #8fc3ff;
  background: rgba(22,119,255,.18);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .02em;
}
.module-button.active .module-index { color: #fff; background: rgba(255,255,255,.2); }
.module-button strong { display: block; font-size: 16px; font-weight: 650; line-height: 1.3; }
.module-button small { display: none; }
.module-button.has-children { grid-template-columns: 34px minmax(0, 1fr) auto; }
.module-chevron { color: #9fc1ea; font-size: 15px; line-height: 1; transition: transform .18s ease; }
.module-button.active .module-chevron { color: #fff; }

.module-group { display: grid; gap: 6px; }
.module-subnav {
  display: grid;
  gap: 2px;
  margin: 0 0 2px 16px;
  padding: 4px 0 4px 12px;
  border-left: 1px solid rgba(159,193,234,.3);
}
.module-subnav[hidden] { display: none; }
.module-subnav-button {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 9px;
  color: #b9cfea;
  background: transparent;
  text-align: left;
}
.module-subnav-button:hover { color: #fff; background: rgba(255,255,255,.08); }
.module-subnav-button.active { color: #fff; border-color: rgba(96,165,250,.5); background: rgba(22,119,255,.24); box-shadow: inset 2px 0 0 #60a5fa; }
.module-subnav-button span { font-size: 13px; font-weight: 600; }

.app-shell.sidebar-collapsed .module-subnav { display: none; }

@media (max-width: 1360px) {
  .app-shell { grid-template-columns: 272px minmax(0, 1fr) !important; }
  .sidebar { width: 272px; padding: 22px 14px 18px; }
  .sidebar .brand { padding-bottom: 24px; }
  .sidebar .brand strong { font-size: 23px; }
  .sidebar .brand span { font-size: 13px; }
  .module-button { min-height: 48px; padding: 10px 12px; }
  .module-button strong { font-size: 15px; }
}

@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 248px minmax(0, 1fr) !important; }
  .sidebar { width: 248px; padding: 20px 12px 16px; }
  .sidebar .brand { padding-bottom: 20px; }
  .sidebar .brand strong { font-size: 21px; }
  .sidebar .brand span { font-size: 12px; }
  .module-button { min-height: 46px; padding: 9px 11px; }
  .module-button strong { font-size: 14px; }
}

@media (max-width: 900px) {
  .sidebar { width: 100%; padding: 14px 14px 10px; }
  .sidebar .brand { padding: 0 2px 12px; }
  .sidebar .brand strong { font-size: 20px; }
  .sidebar .brand span { display: inline; margin-left: 8px; font-size: 12px; }
  .module-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; overflow: visible; }
  .module-button { min-height: 46px; padding: 9px 11px; white-space: normal; }
  .module-button strong { font-size: 14px; }
  .module-subnav { margin-left: 8px; }
}

@media (max-width: 640px) {
  .module-nav { grid-template-columns: minmax(0, 1fr); }
  .sidebar .brand span { display: block; margin: 3px 0 0; }
  .module-button { min-height: 44px; }
}

/* --------------------------------------------------------------- RFQ 登录状态栏 */

/* 账号状态栏与左侧导航同属共用外壳：3D 打印与 CNC 共用同一份结构与外观。
   这里把按钮的尺寸、圆角、描边颜色写死为 3D 打印工作区的取值，避免两个工作区
   各自的内容区按钮规范（圆角、内边距、--line 变量）让状态栏看起来不一样。 */
.auth-session-bar { position:relative; z-index:1; align-self:start; grid-column: 1 / -1; display:flex; align-items:center; gap:16px; min-height:58px; padding:10px 16px; border:1px solid #cfe0f4; border-radius:14px; color:#17365f; background:#fff; box-shadow:0 3px 12px rgba(35,65,105,.04); }
.auth-session-status { display:flex; align-items:center; gap:8px; padding:8px 12px; border:1px solid #b9e5cd; border-radius:999px; color:#12814d; background:#f0fbf5; font-size:13px; white-space:nowrap; }
.auth-status-dot { width:8px; height:8px; border-radius:50%; background:#22b573; box-shadow:0 0 0 3px rgba(34,181,115,.14); }
.auth-session-user { display:flex; align-items:baseline; gap:10px; min-width:0; color:#17365f; }
.auth-session-user strong { font-size:15px; white-space:nowrap; }
.auth-session-user span { overflow:hidden; color:#7185a1; font-size:12px; text-overflow:ellipsis; white-space:nowrap; }
.auth-session-actions { display:flex; gap:8px; margin-left:auto; }
.auth-session-actions .button { white-space:nowrap; padding:8px 12px; border-radius:9px; font-size:12px; font-weight:700; }
.auth-session-actions .button.ghost { color:#475467; border-color:#e4e7ec; background:#fff; }
.auth-session-actions .button.danger { color:#c4323b; border-color:#fac7ca; background:#fff7f7; }
.auth-session-actions .button:hover { transform:translateY(-1px); box-shadow:0 5px 14px rgba(16,24,40,.08); }
.auth-session-bar,
.auth-session-bar .button { font-family:"Microsoft YaHei UI","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif; font-variant-numeric:tabular-nums; font-feature-settings:"tnum" 1; }

/* 3D 打印工作区的内容区是网格布局，状态栏固定占第一行；CNC 内容区是块级布局，这两条不生效也无害。 */
.auth-session-bar { grid-column: 1 / -1 !important; grid-row: 1 !important; }

@media (max-width: 1100px) {
  .auth-session-bar { flex-wrap: wrap; gap: 10px; }
  .auth-session-actions { width: 100%; margin-left: 44px; flex-wrap: wrap; }
}

@media (max-width: 900px) {
  .auth-session-bar { grid-column: 1 !important; grid-row: 1 !important; }
}

@media (max-width: 640px) {
  .auth-session-bar { padding: 10px; border-radius: 12px; }
  .auth-session-user { flex: 1 1 calc(100% - 52px); flex-wrap: wrap; gap: 3px 8px; }
  .auth-session-user strong, .auth-session-user span { white-space: normal; }
  .auth-session-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; margin-left: 0; }
  .auth-session-actions .button:last-child { grid-column: 1 / -1; }
}

@media (max-width: 420px) {
  .auth-session-actions { grid-template-columns: 1fr; }
  .auth-session-actions .button:last-child { grid-column: auto; }
}

/* ------------------------------------------------- 工作区宿主（同一个入口）
   CNC 工作区在当前页面内挂载：外层地址栏始终是站点根路径，切换工作区不跳转、不刷新，
   所以两个工作区看起来是同一个系统的两套模块列表。CNC 仍然按 /cnc/ 加载，只是不再
   出现在地址栏里，接口前缀 /cnc/api 与 3D 打印的 /api 都不受影响。
   宿主铺满视口并在最上层，内侧文档占满整屏，因此响应式断点与两个工作区单独打开时完全一致。 */
.workspace-frame-host {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: var(--rfq-canvas);
}

.workspace-frame-host[hidden] { display: none; }

.workspace-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--rfq-canvas);
}

body.workspace-cnc { overflow: hidden; }