/* ── Sidebar layout ──────────────────────────────────────────────────────── */
.sidebar {
  flex-shrink: 0;
  width: var(--sidebar-collapsed-width);
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-slow);
  overflow: hidden;
  z-index: var(--z-sidebar);
  position: relative;
}

.sidebar.expanded {
  width: var(--sidebar-width);
}

/* Top icon strip */
.sidebar-top {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 10px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar.collapsed .sidebar-top {
  flex-direction: column;
  padding: 10px 10px;
  gap: 6px;
}

.sidebar.expanded .sidebar-top {
  flex-direction: row;
}

.sidebar-icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: var(--radius-md);
  color: var(--text-dim);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.sidebar-icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

/* Sessions list */
.sidebar-sessions {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.sidebar.expanded .sidebar-sessions {
  opacity: 1;
  pointer-events: auto;
}

.session-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Session item */
.session-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition);
  position: relative;
  min-width: 0;
}

.session-item:hover { background: var(--bg-hover); }
.session-item.active { background: var(--bg-active); }

.session-item .session-name {
  flex: 1;
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  cursor: text;
}

.session-item .session-name[contenteditable="true"] {
  background: var(--bg-raised);
  border-radius: 4px;
  padding: 1px 4px;
  outline: 1px solid var(--blue-bright);
  white-space: nowrap;
  cursor: text;
}

.session-item .session-menu-btn {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity var(--transition), background var(--transition), color var(--transition);
  font-size: 16px; line-height: 1;
}

.session-item:hover .session-menu-btn,
.session-item.active .session-menu-btn {
  opacity: 1;
}

.session-item .session-menu-btn:hover {
  background: var(--bg-raised);
  color: var(--text);
}

/* Section label */
.session-date-label {
  font-size: 11px;
  color: var(--text-muted);
  padding: 8px 10px 3px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Bottom account section */
.sidebar-bottom {
  flex-shrink: 0;
  padding: 8px;
  border-top: 1px solid var(--sidebar-border);
}

.account-section {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sidebar.collapsed .account-section {
  flex-direction: column;
}

.sidebar.expanded .account-section {
  flex-direction: row;
}

.btn-signin {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: var(--yellow);
  color: #111;
  font-size: 13px;
  font-weight: 600;
  transition: opacity var(--transition);
  white-space: nowrap;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.sidebar.expanded .btn-signin {
  opacity: 1;
  pointer-events: auto;
}

.user-profile-btn {
  display: flex; align-items: center; gap: 9px;
  flex: 1; min-width: 0;
  padding: 6px 8px; border-radius: var(--radius-md);
  transition: background var(--transition);
}
.user-profile-btn:hover { background: var(--bg-hover); }

.user-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; color: white;
  flex-shrink: 0;
}

.user-info {
  display: flex; flex-direction: column;
  min-width: 0;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}

.sidebar.expanded .user-info {
  opacity: 1; pointer-events: auto;
}

.user-name {
  font-size: 13px; font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.user-plan {
  font-size: 11px; font-weight: 600;
}
.user-plan[data-plan="free"] { color: var(--plan-free); }
.user-plan[data-plan="light"] { color: var(--plan-light); }
.user-plan[data-plan="core"] { color: var(--plan-core); }
.user-plan[data-plan="creator"] { color: var(--plan-creator); }
.user-plan[data-plan="professional"] { color: var(--plan-professional); }

/* Context menus */
.context-menu {
  position: fixed;
  background: var(--bg-raised);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-menu);
  overflow: hidden;
  min-width: 170px;
  animation: slideUp 0.14s ease;
}

.context-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px;
  font-size: 13px; color: var(--text);
  cursor: pointer;
  transition: background var(--transition);
}
.context-item:hover { background: var(--bg-hover); }
.context-item.danger { color: #f07070; }
.context-item.warning { color: var(--yellow); }
.context-item svg { flex-shrink: 0; color: var(--text-dim); }
.context-item.danger svg { color: #f07070; }