/* ============================================================
   Customer portal workspace — sidebar, tabs, preview toggle,
   and the Changes panel.
   ============================================================ */

.review-topnav {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-4);
  border-bottom: 1px solid var(--border);
}

/* ---------- Project picker ---------- */
.project-picker {
  position: relative;
  margin-left: auto;
}

.project-picker-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.4rem 0.65rem 0.4rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.project-picker-trigger:hover {
  border-color: var(--border-strong);
  color: var(--ink);
}

.project-picker-name {
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-picker-panel {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  left: auto;
  min-width: 220px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-1);
  z-index: 50;
  box-shadow: 0 8px 24px rgba(8, 19, 55, 0.08);
}

.project-picker-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  width: 100%;
  padding: var(--sp-2) var(--sp-2);
  border-radius: var(--radius-sm);
  background: none;
  border: 0;
  font-size: var(--text-sm);
  color: var(--ink-2);
  cursor: pointer;
  text-align: left;
}

.project-picker-item:hover {
  background: var(--surface-sunken);
}

.project-picker-item.is-current {
  color: var(--ink);
  font-weight: 600;
}

.project-picker-item-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-picker-empty {
  padding: var(--sp-2);
  color: var(--ink-3);
  font-size: var(--text-xs);
}

/* ---------- Workspace sidebar (right pane) ---------- */
.review-layout--workspace .review-chat-pane {
  background: var(--bg);
  border-left: 1px solid var(--border);
}

.workspace-sidebar {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}

/* ---------- Tabs (Cursor-style: flat row at top) ---------- */
.pane-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4) var(--sp-2);
  flex-shrink: 0;
}

.pane-tabs {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  min-width: 0;
}

.pane-tab {
  flex: 0 0 auto;
  padding: 0.35rem 0.65rem;
  background: none;
  border: 0;
  border-radius: 6px;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-4);
  cursor: pointer;
  transition: color var(--t-fast), background var(--t-fast);
}

.pane-tab:hover {
  color: var(--ink-2);
}

.pane-tab.is-active {
  color: var(--ink);
  background: var(--surface-sunken);
  box-shadow: none;
}

.pane-toolbar {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  flex-shrink: 0;
}

.pane-toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--ink-4);
  cursor: pointer;
  transition: color var(--t-fast), background var(--t-fast);
}

.pane-toolbar-btn:hover:not(:disabled) {
  color: var(--ink-2);
  background: var(--surface-sunken);
}

.pane-toolbar-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.tip-btn {
  position: relative;
}

.tip-btn::after {
  content: attr(data-tip);
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(2px);
  padding: 0.3rem 0.55rem;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s ease, transform 0.12s ease;
  z-index: 30;
}

.tip-btn:hover::after,
.tip-btn:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.tip-btn:disabled::after {
  display: none;
}

.sidebar-expand-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink-3);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(8, 19, 55, 0.06);
  transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}

.sidebar-expand-btn:hover {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--ink-4);
}

.sidebar-expand-btn[hidden] {
  display: none;
}

.review-layout--workspace {
  position: relative;
}

.review-layout--workspace.review-layout--sidebar-collapsed {
  grid-template-columns: minmax(0, 1fr) 0;
}

.review-layout--workspace.review-layout--sidebar-collapsed .review-chat-pane {
  overflow: hidden;
  border-left: none;
  opacity: 0;
  pointer-events: none;
}

.workspace-sidebar-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.pane-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.pane-body[hidden] {
  display: none;
}

.pane-body--chat .review-chat {
  background: transparent;
}

.pane-body--changes .changes-panel {
  padding-top: 0;
}

/* ---------- Preview Live / Preview toggle ---------- */
.preview-seg {
  position: relative;
  display: inline-flex;
  background: var(--surface-sunken);
  border-radius: var(--radius-md);
  padding: 2px;
}

.preview-seg::before {
  content: '';
  position: absolute;
  top: 2px;
  bottom: 2px;
  left: 2px;
  width: calc(50% - 2px);
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 3px rgba(8, 19, 55, 0.14);
  transition: transform 0.26s cubic-bezier(0.34, 1.4, 0.45, 1);
}

.preview-seg.seg--preview::before {
  transform: translateX(100%);
}

.seg-btn {
  position: relative;
  z-index: 1;
  flex: 1 1 0;
  min-width: 72px;
  text-align: center;
  padding: 4px 12px;
  border: 0;
  background: none;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--ink-3);
  cursor: pointer;
  transition: color 0.16s var(--ease);
}

.seg-btn.is-active {
  color: var(--ink);
}

.seg-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (prefers-reduced-motion: reduce) {
  .preview-seg::before {
    transition: none;
  }
}

.seg-btn--working::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--primary);
  vertical-align: middle;
  animation: seg-working-pulse 1.2s ease-in-out infinite;
}

@keyframes seg-working-pulse {
  0%,
  100% {
    opacity: 0.25;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.preview-bar-spacer {
  flex: 1;
}

.preview-frame--deployed {
  width: 100%;
  height: 100%;
  border: 0;
  position: absolute;
  inset: 0;
}

.preview-deployed-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  text-align: center;
  color: var(--ink-3);
  font-size: var(--text-sm);
}

/* ---------- Changes panel ---------- */
.changes-panel {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0 var(--sp-4) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.changes-preview-slot {
  flex-shrink: 0;
}

.changes-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: 12px;
  background: var(--surface-sunken);
  overflow: hidden;
}

.changes-empty {
  color: var(--ink-3);
  font-size: var(--text-sm);
  padding: var(--sp-6) var(--sp-3);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}

.changes-empty p {
  margin: 0;
  max-width: 24ch;
}

.changes-empty-hint {
  color: var(--ink-4);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.changes-empty-eddy {
  padding-right: var(--sp-3);
}

.preview-card {
  border: none;
  border-radius: 12px;
  background: var(--surface-sunken);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.preview-card--empty {
  text-align: center;
  padding: var(--sp-4);
  gap: 0.25rem;
}

.preview-empty-lead {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink);
}

.preview-empty-hint {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--ink-3);
  line-height: 1.45;
}

.preview-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-card-status {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.preview-card-status--ready {
  color: var(--success);
}

.preview-card-status--conflict,
.preview-card-status--merged_deploy_failed,
.preview-card-status--failed {
  color: var(--warning);
}

.preview-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.preview-url-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--primary);
  text-decoration: none;
  word-break: break-all;
}

.preview-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.preview-chips-label {
  font-size: var(--text-xs);
  color: var(--ink-4);
}

.pr-chip {
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--surface-sunken);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--ink-2);
}

.preview-conflict {
  background: var(--warning-bg);
  border-radius: var(--radius-md);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-xs);
  color: var(--ink-2);
  line-height: 1.45;
}

.preview-conflict p {
  margin: 0.25rem 0 0;
}

.preview-conflict-files {
  color: var(--ink-3);
  margin: 4px 0 0;
}

.preview-card-actions {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  padding-top: 0.15rem;
}

.preview-progress-stage {
  font-size: var(--text-sm);
  color: var(--ink-2);
  margin: 0;
}

.preview-warn,
.preview-manual-note {
  font-size: var(--text-xs);
  color: var(--ink-3);
  margin: 0;
  line-height: 1.45;
}

.preview-done {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  color: var(--success);
  font-weight: 600;
  margin: 0;
}

.preview-card--gated {
  align-items: center;
  text-align: center;
  gap: var(--sp-2);
  padding: var(--sp-5) var(--sp-4);
}

.preview-gate-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--surface-sunken);
  color: var(--ink-3);
}

.preview-gate-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink);
}

.preview-gate-text {
  font-size: var(--text-xs);
  color: var(--ink-3);
  margin: 0;
  max-width: 30ch;
  line-height: 1.45;
}

/* Change rows — list inside one group */
.change-card {
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border-bottom: 1px solid rgba(8, 19, 55, 0.06);
  background: transparent;
}

.change-card:last-child {
  border-bottom: 0;
}

.change-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-2);
}

.change-card-title {
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink);
  min-width: 0;
}

.change-badge {
  flex-shrink: 0;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.change-badge.is-active {
  background: var(--primary-soft);
  color: var(--primary);
}

.change-badge.is-neutral {
  background: var(--surface-sunken);
  color: var(--ink-2);
}

.change-badge.is-ok {
  background: rgba(24, 108, 255, 0.08);
  color: var(--primary);
}

.change-badge.is-done {
  background: var(--success-bg);
  color: var(--success);
}

.change-badge.is-warn {
  background: var(--warning-bg);
  color: var(--warning);
}

.change-badge.is-muted {
  background: transparent;
  color: var(--ink-4);
}

.change-card-prompt {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--ink);
}

.change-card-summary {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--ink-3);
  line-height: 1.45;
}

.change-card-error {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--danger);
}

.change-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.change-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--text-xs);
  color: var(--ink-4);
  text-decoration: none;
}

a.change-meta-chip:hover {
  color: var(--primary);
}

.change-meta-chip--in {
  color: var(--success);
}

.change-card-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  padding-top: 0.25rem;
}

.change-reject {
  color: var(--ink-3);
}

.btn-xs {
  padding: 3px 10px;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.spinner--sm {
  width: 14px;
  height: 14px;
  border-width: 2px;
}

.modal-actions {
  display: flex;
  gap: var(--sp-2);
  justify-content: flex-end;
}

/* ---------- Chat attachments (chips above composer) ---------- */
.chat-attach-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chat-attach-chips:not(:empty) {
  margin-bottom: 8px;
}

.chat-attach-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 6px 3px 8px;
  border-radius: var(--radius-pill);
  background: var(--surface-sunken);
  font-size: var(--text-xs);
  color: var(--ink-2);
}

.chat-attach-x {
  display: inline-flex;
  background: none;
  border: 0;
  color: var(--ink-3);
  cursor: pointer;
  padding: 0;
  margin-left: 2px;
}

.preview-expiry {
  font-size: var(--text-xs);
  color: var(--ink-4);
  margin: 0;
}

/* Portal chat tweaks inside sidebar */
.review-chat--composer-top .chat-composer {
  padding: 0 var(--sp-4) var(--sp-3);
  background: transparent;
  border: 0;
}

.review-chat:not(.review-chat--composer-top) .chat-composer {
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
  border-top: 1px solid var(--border);
}

.review-chat--composer-top .chat-input-wrap {
  background: var(--surface);
  border-radius: 16px;
}

.review-chat--composer-top .chat-input {
  min-height: 5.75rem;
  padding: 1rem 0.9rem 0.45rem;
  line-height: 1.5;
}

.review-chat--composer-top .chat-thread {
  flex: 1;
  min-height: 0;
}

.review-chat--composer-top .chat-messages {
  padding: var(--sp-2) var(--sp-4) var(--sp-4);
}

@media (max-width: 760px) {
  .pane-toolbar-btn--collapse {
    display: none;
  }

  .sidebar-expand-btn {
    display: none;
  }
}