/* ═══════════════════════════════════════════════════════════
   Sidebar Components — Instance List, Badges, Add Instance
   ═══════════════════════════════════════════════════════════ */

/* ── Instance List ── */
.instance-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 var(--space-sm);
}

/* ── Instance Item ── */
.instance-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 11px;
  cursor: pointer;
  border-radius: 16px;
  margin: 0;
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  position: relative;
}

.instance-item:hover {
  background: color-mix(in srgb, var(--color-surface-raised) 70%, transparent);
  border-color: var(--color-border);
  transform: translateX(2px);
}

.instance-item.active {
  background: var(--color-accent-bg);
  border-color: color-mix(in srgb, var(--color-accent) 34%, transparent);
}

.instance-item.active .instance-item-name {
  color: var(--color-accent);
}

/* ── Instance Avatar / Icon ── */
.instance-icon {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--color-surface-raised) 80%, transparent);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.instance-item.active .instance-icon {
  border-color: var(--color-accent);
}

/* ── Instance Info ── */
.instance-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.instance-item-name {
  font-size: var(--font-size-base);
  color: var(--color-text);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.instance-item-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Status Dot ── */
.instance-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.instance-status.online {
  background: var(--color-success);
  box-shadow: 0 0 4px var(--color-success);
}

.instance-status.offline {
  background: var(--color-text-dim);
}

.instance-status.busy {
  background: var(--color-warning);
  box-shadow: 0 0 4px var(--color-warning);
}

/* ── Unread Badge ── */
.unread-badge {
  background: var(--color-error);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 600;
  min-width: 16px;
  height: 16px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-xs);
  flex-shrink: 0;
}

/* ── Instance Action Buttons ── */
.prompt-edit-btn,
.instance-delete-btn {
  background: color-mix(in srgb, var(--color-surface-solid) 60%, transparent);
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  cursor: pointer;
  padding: 3px 6px;
  border-radius: var(--radius-xl);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  margin-right: 2px;
}

.instance-item:hover .prompt-edit-btn,
.instance-item:hover .instance-delete-btn,
.instance-item.active .prompt-edit-btn,
.instance-item.active .instance-delete-btn,
.prompt-edit-btn:focus-visible,
.instance-delete-btn:focus-visible {
  opacity: 1;
  pointer-events: auto;
}

.prompt-edit-btn:hover {
  color: var(--color-accent);
}

.instance-delete-btn:hover {
  color: var(--color-error);
}

/* ── Prompt Editor Modal ── */
.pe-sections-list {
  display: flex;
  flex-direction: column;
}

.pe-section-row {
  transition: background var(--transition-fast);
}

.pe-section-row:hover {
  background: var(--color-surface-raised);
}

/* ── Add Instance Button ── */
.add-instance-btn {
  width: 100%;
  background: color-mix(in srgb, var(--color-surface-raised) 52%, transparent);
  border: 1px dashed var(--color-border);
  color: var(--color-text-muted);
  padding: var(--space-md);
  border-radius: 16px;
  cursor: pointer;
  font-family: inherit;
  font-size: var(--font-size-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: all var(--transition-fast);
}

.add-instance-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-bg);
}

/* ── Instance Section Headers ── */
.sidebar-section {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-xs);
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  font-family: var(--font-mono);
}

/* ── Sidebar Search ── */
.sidebar-search {
  padding: var(--space-md);
}

.sidebar-search input {
  width: 100%;
  background: color-mix(in srgb, var(--color-surface-raised) 72%, transparent);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-xl);
  font-family: inherit;
  font-size: var(--font-size-md);
  outline: none;
}

.sidebar-search input:focus {
  border-color: var(--color-accent);
}

.sidebar-search input::placeholder {
  color: var(--color-text-dim);
}