/* ============================================
   BinoLink 统一骨架 — 主站后台同款（v0.6.5）
   - 56px 统一顶栏（logo + BinoLink + 页面标题 + 右侧状态），全站共用
   - 230px 纯菜单侧边栏（无品牌区、无边框），PC 常驻
   - ≤768px：侧边栏自动收 58px 纯图标栏（纯 CSS）
   - ≤600px：全站侧边栏抽屉化（☰ 唤出 + 遮罩），工作台聊天口全屏
   ============================================ */
:root {
  --sidebar-w: 230px;
  --sidebar-bg: #FFFFFF;
  --sidebar-hover: #F0F4FF;
  --sidebar-active-bg: #EEF2FF;
  --sidebar-active-border: #4F46E5;
  --sidebar-text: #5A6978;
  --sidebar-text-hover: #1E293B;
  --sidebar-text-active: #4F46E5;
  --sidebar-divider: #E8ECF0;
}

/* ---------- 统一顶栏（全站 56px） ---------- */
.topbar {
  position: sticky; top: 0; z-index: 1000;
  height: 56px; background: var(--sidebar-bg);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; gap: 12px;
}
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.topbar-brand {
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none; color: #1E293B; font-size: 16px; font-weight: 700;
  white-space: nowrap; flex-shrink: 0;
}
.topbar-brand .brand-icon {
  width: 26px; height: 26px; border-radius: 7px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.topbar-brand .brand-icon svg { width: 22px; height: 22px; display: block; }
.topbar-divider { width: 1px; height: 18px; background: var(--sidebar-divider); flex-shrink: 0; }
.topbar-title {
  font-size: 15px; font-weight: 600; color: var(--sidebar-text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topbar-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.topbar-badge {
  font-size: 12px; padding: 2px 10px; border-radius: 999px;
  background: #FFFBEB; color: #D97706;
}
.topbar-badge.online { background: #F0FDF4; color: #16A34A; }
.topbar-badge.offline { background: #FEF2F2; color: #DC2626; }
#sidebar-toggle { display: none; } /* PC 隐藏；≤600 抽屉化时显示（用 ID 防 .btn inline-flex 覆盖） */

/* ---------- 顶栏操作链接按钮（#350：美化「返回工作台 / 查看演示」） ---------- */
/* 带图标的胶囊链接：hover 上浮 + 紫色品牌色，移动端适配 */
.topbar-link {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px; border-radius: 999px;
  font-size: 13px; font-weight: 600; line-height: 1;
  text-decoration: none; white-space: nowrap;
  border: 1px solid transparent;
  background: #F1F3F9; color: #3F4A5C;
  transition: all .15s ease;
}
.topbar-link svg { width: 14px; height: 14px; flex-shrink: 0; }
.topbar-link:hover { background: var(--sidebar-active-bg, #EEF2FF); color: var(--sidebar-active-border, #4F46E5); border-color: #C7D2FE; box-shadow: 0 2px 6px rgba(79,70,229,.14); transform: translateY(-1px); }
.topbar-link:active { transform: translateY(0); }
/* 返回类（次要）：浅灰胶囊底 + 边框，hover 紫字强化（视觉明显区别于纯文本链接） */
.topbar-link-back { background: #F1F3F9; color: #3F4A5C; border-color: #E5E9F0; }
.topbar-link-back:hover { background: #EEF2FF; color: #4F46E5; border-color: #C7D2FE; box-shadow: 0 2px 6px rgba(79,70,229,.14); transform: translateY(-1px); }
/* 演示类（主操作）：紫色渐变胶囊 */
.topbar-link-demo { background: linear-gradient(135deg, #4F46E5, #6366F1); color: #fff; box-shadow: 0 2px 8px rgba(79,70,229,.28); }
.topbar-link-demo:hover { background: linear-gradient(135deg, #4338CA, #4F46E5); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(79,70,229,.35); transform: translateY(-1px); }
/* ≤768 移动端：隐藏图标保留文字（省空间） */
@media (max-width: 768px) {
  .topbar-link { padding: 0 10px; height: 30px; font-size: 12px; gap: 4px; }
  .topbar-link svg { display: none; }
}
/* ≤420 超窄屏：仅保留演示按钮，返回按钮文字隐藏为圆形箭头 */
@media (max-width: 420px) {
  .topbar-link-back { width: 30px; padding: 0; justify-content: center; font-size: 0; overflow: hidden; }
  .topbar-link-back svg { display: block; }
}

/* ---------- 内容区让位（PC 230px / ≤768 58px / ≤600 归 0 抽屉） ---------- */
.sidebar-content {
  margin-left: var(--sidebar-w);
  min-height: calc(100vh - 56px);
}
@media (max-width: 768px) {
  .sidebar-content { margin-left: 58px; }
}
@media (max-width: 600px) {
  .sidebar-content { margin-left: 0; }
}

/* ---------- 侧边栏骨架（顶栏下方开始，无品牌区/无边框） ---------- */
.sidebar {
  position: fixed; top: 56px; left: 0;
  width: var(--sidebar-w); min-width: var(--sidebar-w);
  height: calc(100vh - 56px);
  background: var(--sidebar-bg);
  display: flex; flex-direction: column;
  z-index: 1000;
  overflow-y: auto; overflow-x: hidden;
}
.sidebar-nav { flex: 1; overflow-y: auto; padding: 10px; }
.sidebar-section-label {
  padding: 14px 12px 4px;
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .8px; color: #94A3B8; white-space: nowrap;
}
.sidebar-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 1px 0; border-radius: 6px;
  font-size: 14px; font-weight: 500; color: var(--sidebar-text);
  text-decoration: none; white-space: nowrap; overflow: hidden;
  transition: background .12s; cursor: pointer; border: none; background: transparent;
  width: 100%; text-align: left; font-family: inherit;
}
.sidebar-item:hover { background: var(--sidebar-hover); color: var(--sidebar-text-hover); }
.sidebar-item.active { background: var(--sidebar-active-bg); color: var(--sidebar-text-active); font-weight: 600; }
.sidebar-icon { width: 19px; height: 19px; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; }
.sidebar-icon svg { width: 18px; height: 18px; display: block; }

/* 底部用户卡（无边框） */
.sidebar-foot {
  padding: 10px; flex-shrink: 0;
}
.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 10px 10px; color: var(--sidebar-text); font-size: 13px;
}
.sidebar-avatar {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  background: var(--sidebar-active-border, #4F46E5);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 13px; font-weight: 600;
}
.sidebar-user-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- PC 手动收起（v0.6.6：agent 默认收起，admin 可手动） ---------- */
/* 按钮：PC 显示，≤768 由媒体查询隐藏（与 .sidebar-foot 同步） */
#sidebar-collapse-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 100%; padding: 7px 10px; border: none; border-radius: 6px;
  background: transparent; color: var(--sidebar-text); font-size: 12px;
  cursor: pointer; gap: 6px; white-space: nowrap; overflow: hidden;
}
#sidebar-collapse-btn:hover { background: var(--sidebar-hover); color: var(--sidebar-text-hover); }
#sidebar-collapse-btn svg { width: 14px; height: 14px; flex-shrink: 0; }
#sidebar-collapse-btn .sidebar-text { font-size: 12px; }

/* 收起态（仅 PC >768 生效；≤768 本来就收 58px，≤600 抽屉不受影响） */
body.sidebar-collapsed .sidebar { width: 58px; min-width: 58px; }
body.sidebar-collapsed .sidebar-content { margin-left: 58px; }
body.sidebar-collapsed .workbench { margin-left: 58px; }
body.sidebar-collapsed .sidebar-section-label { display: none; }
body.sidebar-collapsed .sidebar-nav { padding: 10px 4px; }
body.sidebar-collapsed .sidebar-item { justify-content: center; padding: 10px 4px; }
body.sidebar-collapsed .sidebar-item .sidebar-text { display: none; }
body.sidebar-collapsed .sidebar-user { justify-content: center; padding: 6px 0 10px; }
body.sidebar-collapsed .sidebar-user-name { display: none; }
body.sidebar-collapsed #sidebar-collapse-btn .sidebar-text { display: none; }
body.sidebar-collapsed #sidebar-collapse-btn { justify-content: center; padding: 7px 0; }

/* ---------- 抽屉遮罩（≤600 生效） ---------- */
.sidebar-overlay {
  display: none; position: fixed; inset: 0; z-index: 1050;
  background: rgba(15, 23, 42, .45);
}
body.sidebar-mobile-open .sidebar-overlay { display: block; }
.sidebar-overlay.hidden { display: none !important; }

/* ---------- ≤768px：自动收窄 58px 纯图标栏 ---------- */
@media (max-width: 768px) {
  /* ≤768 聊天口全屏优先：覆盖 body.sidebar-collapsed .workbench 的 58px 让位（sidebar.css 后加载，覆盖 workbench.css） */
  body.sidebar-collapsed .workbench { margin-left: 0; }
  .sidebar { width: 58px; min-width: 58px; }
  .sidebar-section-label { display: none; }
  .sidebar-nav { padding: 10px 4px; }
  .sidebar-item { justify-content: center; padding: 10px 4px; }
  .sidebar-item .sidebar-text { display: none; }
  .sidebar-foot { display: none; }
}
/* ---------- ≤600px：全站抽屉化（含工作台，聊天口全屏优先） ---------- */
@media (max-width: 600px) {
  #sidebar-toggle { display: inline-flex; }
  /* 抽屉模式用最高特异性覆盖 .sidebar-collapsed（PC 收起态 localStorage 记忆不得影响移动端布局） */
  body.sidebar-collapsed .workbench,
  body.sidebar-collapsed .sidebar-content { margin-left: 0; }
  /* 抽屉模式用最高特异性覆盖 .sidebar-collapsed（PC 收起态 localStorage 记忆不得影响移动端抽屉宽度） */
  body.sidebar-collapsed .sidebar,
  .sidebar {
    top: 0; height: 100vh; height: 100dvh;
    width: 240px; min-width: 240px;
    border-right: 1px solid var(--sidebar-divider);
    box-shadow: 0 0 40px rgba(15, 23, 42, .25);
    transform: translateX(-100%); transition: transform .22s ease;
    z-index: 1100;
  }
  body.sidebar-mobile-open .sidebar { transform: translateX(0); }
  /* 抽屉模式覆盖 .sidebar-collapsed 的同名规则（PC 收起记忆不得影响移动端抽屉完整显示） */
  body.sidebar-collapsed .sidebar-section-label,
  .sidebar-section-label { display: block; }
  body.sidebar-collapsed .sidebar-nav,
  .sidebar-nav { display: block; padding: 10px; }
  body.sidebar-collapsed .sidebar-item,
  .sidebar-item { flex-direction: row; justify-content: flex-start; padding: 9px 12px; margin: 1px 0; gap: 10px; font-size: 14px; min-height: 0; border-radius: 6px; }
  .sidebar-item.active { background: var(--sidebar-active-bg); }
  body.sidebar-collapsed .sidebar-item .sidebar-text,
  .sidebar-item .sidebar-text { display: block; font-size: 13px; }
  .sidebar-icon { width: 19px; height: 19px; }
  .sidebar-icon svg { width: 18px; height: 18px; }
  body.sidebar-collapsed .sidebar-foot,
  .sidebar-foot { display: block; }
  #sidebar-collapse-btn { display: none; } /* 抽屉模式无收起概念 */
  body.sidebar-collapsed .sidebar-user,
  .sidebar-user { display: flex; justify-content: flex-start; padding: 6px 10px 10px; }
  body.sidebar-collapsed .sidebar-user-name,
  .sidebar-user-name { display: block; }
  .sidebar-overlay { display: block; }
}