/* === 22-workspace-panel.css (P454 工作空间右栏体验重构) ===
 *
 * 范围:
 *   1) 输入框上方 #workspace-mode-banner 胶囊(对称 12-task-mode.css 的 .tm-banner)
 *   2) 右栏面板 workspace 区段两区:已添加卡片(整体可点切注入) + 可添加卡片([+ 添加] 按钮)
 *
 * 红线(铁律 22):
 *   - 不许 ≥1000 行(本文件简洁,远低)
 *   - 全 5 原色派生(--brand-* / --bg-* / --text-* / --border-*),无新 hex
 *   - 不消费 12-task-mode 命名,与任务模式 banner 视觉对称但 DOM 独立
 *
 * 接口契约:
 *   workspace-mode.js 渲染 .ws-banner-pill;agent-override.js 渲染 .ws-card / .ws-picker-*
 */

/* ═════════════════════════════════════════════════════════════
   Section 22.1 · 输入框上方 Banner
   两层结构(slot 对齐输入框 / pill 胶囊视觉),对称 .tm-banner
   排在 #task-mode-banner 之后(任务在前,工作空间在后)
   ═════════════════════════════════════════════════════════════ */
#workspace-mode-banner.ws-banner-slot {
  display: block;
  max-width: 840px;
  margin: 0 auto 6px;
  padding: 0 12px;
  text-align: left;
}
#workspace-mode-banner.ws-banner-slot.hidden { display: none; }
#workspace-mode-banner .ws-banner-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 4px 2px 10px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--brand-border);
  color: var(--brand-primary);
  font-size: 11px;
  line-height: 1.3;
  max-width: 100%;
  opacity: 0.85;
  animation: ws-banner-slide-in var(--transit-normal) ease-out;
  transition: opacity var(--transit-fast);
}
#workspace-mode-banner .ws-banner-pill:hover { opacity: 1; }
#workspace-mode-banner .ws-banner-icon { flex-shrink: 0; opacity: 0.7; }
#workspace-mode-banner .ws-banner-label {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  min-width: 0;
  max-width: 260px;
}
#workspace-mode-banner .ws-banner-label strong {
  font-weight: 500;
  margin-left: 2px;
}
#workspace-mode-banner .ws-banner-exit {
  flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--brand-primary);
  opacity: 0.5;
  cursor: pointer;
  transition: opacity var(--transit-fast), background var(--transit-fast);
}
#workspace-mode-banner .ws-banner-exit:hover {
  opacity: 1;
  background: var(--brand-bg);
}
@keyframes ws-banner-slide-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 0.85; transform: translateY(0); }
}
@media (max-width: 768px) {
  #workspace-mode-banner.ws-banner-slot { padding: 0 12px; }
  #workspace-mode-banner .ws-banner-pill { font-size: 11px; padding: 2px 4px 2px 9px; }
  #workspace-mode-banner .ws-banner-label { max-width: 180px; }
}

/* ═════════════════════════════════════════════════════════════
   Section 22.2 · 右栏面板 — 已添加工作空间卡片(整体可点切注入)
   ═════════════════════════════════════════════════════════════ */

/* 区段容器 — 复用 .panel-section,只补 workspace 专属间距 */
.feature-panel .panel-section[data-section="workspaces"] {
  margin-top: var(--space-4);
}
.feature-panel .panel-section[data-section="workspaces"] .panel-subsection-title {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: var(--space-3) 0 var(--space-2);
  font-weight: 500;
}
.feature-panel .panel-section[data-section="workspaces"] .panel-subsection-title:first-of-type {
  margin-top: 0;
}

/* ── 已添加卡片(整体可点) ── */
.feature-panel .ws-card {
  position: relative;
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-1);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--bg-hover);
  cursor: pointer;
  transition: background var(--transit-fast), border-color var(--transit-fast);
}
.feature-panel .ws-card:hover {
  background: var(--bg-surface-hover);
}
/* 当前注入态:左线 + 金色名 + 淡渐变背景(对称 .tm-active-block 视觉) */
.feature-panel .ws-card.active {
  background: linear-gradient(90deg, var(--bg-hover) 0%, transparent 100%);
  border-left: 2px solid var(--brand-primary);
  padding-left: calc(var(--space-3) - 2px);
}
.feature-panel .ws-card.active .ws-card-name {
  color: var(--brand-primary);
  font-weight: 500;
}

.feature-panel .ws-card-name {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--text-main);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ── 卡片右侧按钮区(stopPropagation 必须) ── */
.feature-panel .ws-card-actions {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.feature-panel .ws-card-action {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transit-fast), background var(--transit-fast), color var(--transit-fast);
}
.feature-panel .ws-card-action:hover {
  opacity: 1;
  background: var(--bg-surface);
  color: var(--text-main);
}
.feature-panel .ws-card-action.danger:hover {
  color: var(--error-color);
}
.feature-panel .ws-card-action svg {
  display: block;
}

/* ═════════════════════════════════════════════════════════════
   Section 22.3 · 标题段「+」添加按钮(替代 P454 原 ↗ + 可添加常驻列表)
   语义:点 + 弹 picker 选已有空间挂到当前助手;创建新空间走 sidebar 入口
   ═════════════════════════════════════════════════════════════ */
.feature-panel .panel-section[data-section="workspaces"] .ws-section-add-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px;
  padding: 0;
  margin-left: auto;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transit-fast), background var(--transit-fast), color var(--transit-fast);
}
.feature-panel .panel-section[data-section="workspaces"] .ws-section-add-btn:hover {
  opacity: 1;
  background: var(--bg-surface);
  color: var(--brand-primary);
}

/* ── 空态:本助手未挂任何空间 ── */
.feature-panel .panel-section[data-section="workspaces"] .ws-empty {
  font-size: 12px;
  color: var(--text-muted);
  padding: var(--space-3) 0;
  text-align: left;
  line-height: 1.6;
}
.feature-panel .panel-section[data-section="workspaces"] .ws-empty strong {
  color: var(--brand-primary);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ═════════════════════════════════════════════════════════════
   Section 22.4 · Workspace Picker 弹窗(标题 + 按钮触发)
   独立 overlay,不依赖 feature-panel scope,可全屏覆盖
   ═════════════════════════════════════════════════════════════ */
.ws-picker-overlay {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  background: rgba(0, 0, 0, 0.4);
  z-index: 9999;
  animation: ws-picker-fade-in var(--transit-fast) ease-out;
}
@keyframes ws-picker-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.ws-picker-panel {
  display: flex; flex-direction: column;
  width: 100%;
  max-width: 420px;
  max-height: 70vh;
  background: var(--bg-base);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-ambient);
  overflow: hidden;
  animation: ws-picker-slide-up var(--transit-normal) ease-out;
}
@keyframes ws-picker-slide-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ws-picker-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}
.ws-picker-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
}
.ws-picker-close {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transit-fast), background var(--transit-fast);
}
.ws-picker-close:hover {
  opacity: 1;
  background: var(--bg-surface);
}

.ws-picker-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2);
  min-height: 60px;
}
.ws-picker-item {
  display: flex; flex-direction: column;
  width: 100%;
  padding: var(--space-3);
  margin-bottom: 2px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  transition: background var(--transit-fast), border-color var(--transit-fast);
}
.ws-picker-item:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
}
.ws-picker-name {
  font-size: 13px;
  font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ws-picker-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ws-picker-empty {
  padding: var(--space-4);
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.ws-picker-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border-light);
  flex-shrink: 0;
}
.ws-picker-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px;
  color: var(--brand-primary);
  text-decoration: none;
  transition: opacity var(--transit-fast);
  opacity: 0.85;
}
.ws-picker-link:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ═════════════════════════════════════════════════════════════
   Section 22.5 · P479 协作 / 只读 / 成员徽章(助手面板内 inline 版)
   工作空间列表页(workspace.css)用 absolute 大徽章定位卡片右上;
   助手右栏卡片是窄行,徽章必须 inline 走 .ws-card 内联流。
   ═════════════════════════════════════════════════════════════ */

.feature-panel .ws-card-badges {
  position: static;
  display: inline-flex;
  gap: 4px;
  flex-shrink: 0;
}
.feature-panel .ws-card-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid var(--border-glass);
  background: var(--bg-surface);
  color: var(--text-secondary);
  line-height: 1.4;
}
.feature-panel .ws-card-badge[data-tone="shared"] {
  border-color: var(--accent);
  color: var(--accent);
}
.feature-panel .ws-card-badge[data-tone="readonly"] {
  border-color: var(--text-tertiary);
  color: var(--text-tertiary);
}
.feature-panel .ws-card-badge[data-tone="member"] {
  border-color: var(--border-glass);
  color: var(--text-secondary);
}
.feature-panel .ws-card[data-kind="shared"] {
  border-left: 2px solid var(--accent);
  padding-left: calc(var(--space-3) - 2px);
}

/* picker 项徽章前缀行(name 与 badge 同行) */
.ws-picker-name-row {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  width: 100%;
}
.ws-picker-name-row .ws-card-badges {
  position: static;
  display: inline-flex;
  gap: 4px;
  flex-shrink: 0;
}
.ws-picker-name-row .ws-card-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid var(--border-glass);
  background: var(--bg-surface);
  color: var(--text-secondary);
  line-height: 1.4;
}
.ws-picker-name-row .ws-card-badge[data-tone="shared"] {
  border-color: var(--accent);
  color: var(--accent);
}
.ws-picker-name-row .ws-card-badge[data-tone="readonly"] {
  border-color: var(--text-tertiary);
  color: var(--text-tertiary);
}
.ws-picker-name-row .ws-card-badge[data-tone="member"] {
  border-color: var(--border-glass);
  color: var(--text-secondary);
}