/* === Planning Mode Styles === */
.planning-modal-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
}

.planning-modal *,
.planning-modal {
  scrollbar-color: var(--border) transparent;
  scrollbar-width: thin;
}

.planning-modal *::-webkit-scrollbar,
.planning-modal::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.planning-modal *::-webkit-scrollbar-track,
.planning-modal::-webkit-scrollbar-track {
  background: transparent;
}

.planning-modal *::-webkit-scrollbar-thumb,
.planning-modal::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-sm);
}

.planning-modal *::-webkit-scrollbar-thumb:hover,
.planning-modal::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.planning-modal *::-webkit-scrollbar-corner,
.planning-modal::-webkit-scrollbar-corner {
  background: transparent;
}

.planning-modal {
  width: min(95vw, 1200px);
  max-width: 95vw;
  min-width: 360px;
  height: 85vh;
  min-height: 480px;
  max-height: calc(100dvh - var(--overlay-padding-top, 10vh) - 16px);
  overflow: hidden;
  resize: both;
}

.planning-modal .modal-header {
  flex-shrink: 0;
}

.planning-modal .text-muted {
  color: var(--text-muted);
}

.planning-modal-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

.planning-modal-body--split {
  flex-direction: row;
}

.planning-detail {
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Sidebar */
.planning-sidebar {
  width: 260px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  background: var(--card);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.planning-sidebar-header {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.planning-sidebar-footer {
  padding: var(--space-sm) var(--space-md) var(--space-md);
  text-align: center;
}

.planning-sidebar-toggle-archived-link {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast), box-shadow var(--transition-fast);
  border-radius: var(--radius-sm);
}

.planning-sidebar-toggle-archived-link:hover {
  color: var(--text);
  text-decoration: underline;
}

.planning-sidebar-toggle-archived-link:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
}

.planning-sidebar-new {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: calc(var(--space-sm) + var(--space-xs) * 1.25);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.planning-sidebar-new:hover {
  background: var(--card-hover);
  border-color: var(--todo);
}

.planning-sidebar-new.active {
  background: color-mix(in srgb, var(--todo) 15%, transparent);
  border-color: var(--todo);
  color: var(--todo);
}

.planning-sidebar-new:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
}

.planning-sidebar-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.planning-sidebar-empty {
  padding: 16px 12px;
  font-size: 12px;
  text-align: center;
  line-height: 1.5;
}

.planning-sidebar-item {
  position: relative;
  display: flex;
  align-items: stretch;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.planning-sidebar-item:hover {
  background: var(--card-hover);
}

.planning-sidebar-item.selected {
  background: color-mix(in srgb, var(--todo) 18%, transparent);
}

.planning-sidebar-item.pending-delete {
  background: color-mix(in srgb, var(--color-error) 15%, transparent);
}

.planning-sidebar-item-button {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-md);
  background: none;
  border: none;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
  border-radius: var(--radius-md);
}

.planning-sidebar-item-button:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
}

.planning-sidebar-item-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.planning-sidebar-item-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.planning-sidebar-item-meta {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  gap: 4px;
  align-items: center;
}

.planning-sidebar-status-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.planning-sidebar-status-generating { color: var(--todo); }
.planning-sidebar-status-awaiting { color: var(--triage); }
.planning-sidebar-status-complete { color: var(--color-success); }
.planning-sidebar-status-error { color: var(--color-error); }

.planning-sidebar-item-actions {
  display: flex;
  align-items: stretch;
}

.planning-sidebar-item-delete,
.planning-sidebar-item-archive {
  flex-shrink: 0;
  width: calc(var(--space-lg) + var(--space-xl));
  min-width: calc(var(--space-lg) + var(--space-xl));
  height: calc(var(--space-lg) + var(--space-xl));
  min-height: calc(var(--space-lg) + var(--space-xl));
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.planning-sidebar-item:hover .planning-sidebar-item-delete,
.planning-sidebar-item:focus-within .planning-sidebar-item-delete,
.planning-sidebar-item:hover .planning-sidebar-item-archive,
.planning-sidebar-item:focus-within .planning-sidebar-item-archive {
  display: flex;
}

.planning-sidebar-item-delete:hover {
  color: var(--color-error);
  background: color-mix(in srgb, var(--color-error) 15%, transparent);
}

.planning-sidebar-item-archive:hover {
  color: var(--todo);
  background: color-mix(in srgb, var(--todo) 15%, transparent);
}

.planning-sidebar-item-delete:focus-visible,
.planning-sidebar-item-archive:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
}

.planning-sidebar-item.archived .planning-sidebar-item-button {
  opacity: 0.6;
}

.planning-sidebar-confirm {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
}

.planning-mobile-back {
  /* Visible only on mobile (see media query below). On desktop the sidebar
     is always visible alongside the detail pane, so a back button is never
     needed. */
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.planning-mobile-back:hover {
  background: var(--card-hover);
}

.planning-mobile-back:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring-strong);
}

/* Mobile: stack — only one pane visible at a time */
@media (max-width: 768px) {
  /* Full-screen sheet — drop overlay padding so the modal fills the
     viewport instead of being pushed below it, and disable resize since
     touchscreen users can't drag the corner grip anyway. */
  .modal-overlay:has(.planning-modal) {
    padding-top: 0;
    align-items: stretch;
    justify-content: stretch;
  }
  .modal.planning-modal {
    width: 100vw;
    min-width: 0;
    max-width: 100vw;
    height: 100dvh;
    min-height: 0;
    max-height: 100dvh;
    margin: 0;
    border: none;
    border-radius: 0;
    resize: none;
  }
  .modal.planning-modal[style*="--keyboard-overlap"] {
    height: var(--vv-height, 100dvh);
    max-height: var(--vv-height, 100dvh);
    transform: translateY(var(--vv-offset-top, 0px));
    will-change: transform;
  }
  .planning-modal-body--split {
    flex-direction: column;
  }
  .planning-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .planning-modal-body--show-detail .planning-sidebar {
    display: none;
  }
  .planning-modal-body--show-list .planning-detail {
    display: none;
  }
  /* Show back button on mobile whenever it's rendered (the React component
     only renders it when `mobileShowDetail` is true). */
  .planning-mobile-back {
    display: inline-flex;
  }
  /* Always keep action buttons visible on mobile (no hover) */
  .planning-sidebar-item-delete,
  .planning-sidebar-item-archive {
    display: flex;
  }
}

.planning-error {
  flex-shrink: 0;
  margin: 24px 24px 0;
}

.planning-view-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding: var(--space-xl);
}

.planning-view-footer {
  display: flex;
  justify-content: center;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.planning-advanced-disclosure {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.planning-advanced-disclosure .onboarding-disclosure-content {
  padding-inline-start: 0;
  display: flex;
  justify-content: center;
}

.planning-advanced-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
}

.planning-advanced-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.planning-advanced-blurb {
  margin: 0;
  color: var(--text-muted);
  font-size: calc(var(--space-sm) + var(--space-xs));
  line-height: 1.4;
}

.planning-model-select-group {
  max-width: 100%;
  margin: 0;
  width: 100%;
}

.planning-model-select-group .form-label {
  font-size: calc(var(--space-sm) + var(--space-xs) + var(--space-xs) * 0.25);
  color: var(--text-muted);
  text-align: left;
}

.planning-depth-selector {
  align-items: stretch;
  justify-content: flex-start;
  max-width: 100%;
  margin: 0;
  width: 100%;
}

.planning-depth-controls-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.planning-depth-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.planning-depth-chip.btn {
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  min-height: calc(var(--space-lg) + var(--space-xl));
  padding: var(--space-sm) var(--space-md);
}

.planning-depth-chip.btn:hover {
  border-color: var(--todo);
  background: var(--card-hover);
}

.planning-depth-chip-active.btn,
.planning-depth-chip-active.btn:hover {
  background: var(--todo);
  border-color: var(--todo);
  color: var(--bg);
}

.planning-depth-question-count {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  align-items: flex-start;
  font-size: 12px;
  color: var(--text-muted);
}

.planning-depth-question-input.input {
  width: calc(var(--space-2xl) * 2 + var(--space-xs));
  min-height: calc(var(--space-lg) + var(--space-xl));
  padding: var(--space-xs) var(--space-sm);
}

.session-lock-overlay {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 20%;
  z-index: 10;
  backdrop-filter: blur(2px);
}

.session-lock-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
}

.session-lock-take-control {
  margin-left: auto;
}

/* Initial View */
.planning-initial {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: center;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.planning-intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  max-width: 520px;
  margin: 0 auto;
}

.planning-intro h4 {
  font-size: 20px;
  line-height: 1.3;
}

.planning-intro p {
  max-width: 480px;
  line-height: 1.6;
}

.planning-icon {
  color: var(--triage);
  margin-bottom: var(--space-sm);
}

.planning-description {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 480px;
  line-height: 1.5;
}

.planning-textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--space-md);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.planning-textarea:focus {
  border-color: var(--todo);
  box-shadow: var(--focus-ring);
}

.planning-comment-section {
  margin-top: var(--space-lg);
}

.planning-comment-label {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--text-muted);
  font-size: var(--font-size-xs, 12px);
}

.planning-comment-section .planning-textarea {
  min-height: calc(var(--space-md) * 5);
}

.planning-char-count {
  text-align: right;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.planning-initial .form-group,
.planning-summary-form .form-group {
  width: 100%;
  padding: 0;
  margin-top: 0;
}

.planning-initial .form-group,
.planning-examples {
  max-width: 520px;
  margin: 0 auto;
}

.planning-initial .form-group {
  text-align: left;
}

.planning-examples {
  width: 100%;
}

.planning-examples-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  display: block;
}

.planning-example-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.planning-example-chip {
  padding: 8px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-muted);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.planning-example-chip:hover {
  background: var(--card-hover);
  border-color: var(--todo);
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: var(--focus-ring);
}

.planning-start-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.planning-initial .planning-view-footer {
  width: 100%;
  max-width: 568px;
  margin: 0 auto;
  justify-content: center;
}

/* Question View */
.planning-question {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
  min-height: 0;
}

.planning-progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.planning-progress-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.planning-progress-step {
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--border);
  transition: background-color var(--transition-fast);
}

.planning-progress-step.active {
  background: var(--todo);
}

.planning-progress-text {
  font-size: 12px;
  color: var(--text-muted);
}

.planning-question-form {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.planning-question-scroll {
  gap: 16px;
  padding-top: 0;
}

.planning-question-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px 20px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.planning-question-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.planning-question-text {
  font-size: 16px;
  font-weight: 600;
}

.planning-question-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Options */
.planning-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.planning-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.planning-option--radio,
.planning-option--checkbox {
  width: 100%;
}

.planning-option:hover {
  background: var(--card-hover);
  border-color: var(--todo);
  box-shadow: var(--focus-ring);
  transform: translateY(-1px);
}

.planning-option input[type="radio"],
.planning-option input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--todo);
}

.planning-option-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.planning-option-label {
  font-weight: 500;
  color: var(--text);
}

.planning-option-desc {
  font-size: 12px;
  color: var(--text-muted);
}

.planning-radio-group,
.planning-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.planning-confirm-group {
  display: flex;
  gap: var(--space-md);
}

.planning-confirm-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex: 1;
  padding: var(--space-md) var(--space-xl);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
}

.planning-confirm-btn.selected {
  background: var(--todo);
  color: var(--bg);
  border-color: var(--todo);
}

/* Actions */
.planning-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.planning-actions .btn {
  flex-shrink: 0;
}

.planning-actions-primary {
  margin-left: auto;
}

.planning-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Summary View */
.planning-summary {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.planning-summary-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.planning-summary-icon {
  color: var(--color-success);
}

.planning-summary-scroll {
  gap: 20px;
}

.planning-summary-qa-disclosure {
  margin-top: 0;
}

.planning-summary-qa-disclosure .onboarding-disclosure-content {
  padding-inline-start: 0;
}

.planning-summary-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  flex: 1;
  min-height: 0;
}

.planning-summary-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--space-lg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.planning-summary-form .form-group label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.planning-expand-btn {
  margin-left: auto;
  padding: 0;
  background: none;
  border: none;
  color: var(--todo);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
}

.planning-expand-btn:hover {
  text-decoration: underline;
}

.planning-size-label {
  font-size: calc(var(--space-sm) + var(--space-xs) * 0.75);
  color: var(--text-muted);
}

/* Taller description textarea in subtask breakdown */
.planning-summary-form .form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Compact size dropdown */
.planning-size-select {
  width: 100%;
  padding: 10px 36px 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.planning-size-select:focus {
  outline: none;
  border-color: var(--todo);
  box-shadow: var(--focus-ring);
}

.planning-size-select:hover:not(:focus) {
  border-color: var(--text-muted);
}

.planning-deps-list {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: var(--space-sm);
  max-height: 180px;
  overflow-y: auto;
  padding-right: 4px;
  overscroll-behavior: contain;
}

.planning-dep-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 12px;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.planning-dep-chip:hover {
  background: var(--card-hover);
  border-color: var(--todo);
  box-shadow: var(--focus-ring);
  transform: translateY(-1px);
}

.planning-dep-chip.selected {
  background: var(--card-hover);
  border-color: var(--todo);
  box-shadow: inset 0 0 0 1px var(--todo);
}

.planning-dep-chip input[type="checkbox"] {
  accent-color: var(--todo);
}

.planning-dep-id {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-muted);
}

.planning-dep-title {
  color: var(--text);
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.planning-deliverables {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
  font-size: 14px;
  color: var(--text);
}

.planning-deliverables li {
  position: relative;
  padding-left: 16px;
  line-height: 1.5;
}

.planning-deliverables li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--todo);
}

.planning-summary-actions {
  justify-content: space-between;
}

.planning-summary-actions-right {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

/* Loading State */
.planning-loading {
  display: flex;
  flex: 1;
  min-height: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-xl);
  color: var(--text-muted);
}

/* AI Thinking Output Display */
.planning-thinking-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  max-width: 600px;
}

.planning-thinking-toggle {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.planning-thinking-toggle:hover {
  background: var(--card-hover);
  color: var(--text);
}

.planning-thinking-output {
  width: 100%;
  max-height: 300px;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: left;
}

.planning-thinking-output pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}

.planning-loading-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.planning-stop-btn {
  border-color: var(--color-error);
  color: var(--color-error);
  background: color-mix(in srgb, var(--color-error) 12%, transparent);
}

.planning-stop-btn:hover {
  border-color: var(--color-error-dark);
  color: var(--color-error-dark);
  background: color-mix(in srgb, var(--color-error) 18%, transparent);
}

.planning-stop-btn {
  min-height: 36px;
}

.planning-elapsed {
  font-size: 12px;
  color: var(--text-muted);
}

/* Subtask Drag-and-Drop Styles */
.subtask-item {
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.subtask-item-dragging {
  opacity: 0.5;
  transform: scale(0.98);
}

.subtask-item-drop-target {
  background: color-mix(in srgb, var(--todo) 12%, transparent);
  border-color: var(--todo);
}

.subtask-item-drop-before {
  position: relative;
}

.subtask-item-drop-before::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--todo);
  z-index: 1;
}

.subtask-item-drop-after {
  position: relative;
}

.subtask-item-drop-after::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--todo);
  z-index: 1;
}

.subtask-item-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.subtask-drag-handle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: grab;
  color: var(--text-dim);
  transition: color var(--transition-fast);
  user-select: none;
}

.subtask-drag-handle:hover {
  color: var(--text-muted);
}

.subtask-item-dragging .subtask-drag-handle {
  cursor: grabbing;
  color: var(--todo);
}

.subtask-item-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.subtask-item-actions .btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--transition-fast);
}

@media (hover: hover) {
  .subtask-item-actions .btn-icon:hover:not(:disabled) {
    background: var(--card-hover);
    border-color: var(--border);
    color: var(--text);
  }
}

.subtask-item-actions .btn-icon:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Responsive */
@media (max-width: 768px) {
  .planning-modal {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    min-height: 100vh;
    min-height: 100dvh;
    max-width: 100%;
    max-height: 100%;
    border-radius: 0;
  }

  .planning-error {
    margin: var(--space-lg) var(--space-lg) 0;
  }

  .planning-view-scroll {
    padding: var(--space-lg);
    gap: var(--space-lg);
  }

  .planning-question-scroll {
    padding-top: var(--space-sm);
    gap: var(--space-md);
  }

  .planning-view-footer,
  .planning-actions {
    padding: 12px 16px calc(16px + env(safe-area-inset-bottom));
  }

  .planning-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .planning-actions .btn,
  .planning-start-btn {
    width: 100%;
    justify-content: center;
  }

  .planning-actions-primary {
    margin-left: 0;
  }

  .planning-summary-actions-right {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .planning-example-chips {
    flex-direction: column;
    align-items: stretch;
  }

  .planning-example-chip {
    width: 100%;
    text-align: left;
    border-radius: var(--radius-lg);
  }

  .planning-depth-selector {
    gap: var(--space-sm);
  }

  .planning-depth-controls-row {
    flex-direction: column;
    align-items: stretch;
  }

  .planning-depth-chip-group {
    justify-content: flex-start;
  }

  .planning-depth-question-count {
    align-items: flex-start;
  }

  .planning-deps-list {
    flex-direction: column;
    flex-wrap: nowrap;
    max-height: 200px;
  }

  .planning-dep-chip {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-lg);
  }

  .planning-dep-title {
    max-width: none;
  }

  /* Planning thinking output mobile adjustments */
  .planning-thinking-container {
    max-width: 100%;
  }

  .planning-thinking-output {
    max-height: 200px;
    padding: var(--space-md);
  }

  .planning-thinking-output pre {
    font-size: 12px;
  }

  .planning-loading-actions {
    flex-direction: column;
    width: 100%;
  }

  .planning-loading-actions .btn {
    width: 100%;
    min-height: 36px;
    justify-content: center;
  }

  /* Prevent mobile zoom on focus for planning text inputs (16px minimum) */
  .planning-textarea {
    font-size: 16px;
  }

  .planning-comment-section .planning-textarea {
    min-height: calc(var(--space-md) * 5);
  }

  /* Planning options compact on mobile */
  .planning-option {
    padding: 12px;
  }

  /* Subtask breakdown: touch-friendly drag handles with padding */
  .subtask-drag-handle {
    min-width: 36px;
    min-height: 36px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Subtask action buttons: mobile-friendly sizing */
  .subtask-item-actions .btn-icon {
    min-width: 36px;
    min-height: 36px;
  }

  /* Subtask items: prevent overflow */
  .subtask-item-header {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  /* Dependency chips: touch-friendly */
  .planning-dep-chip {
    min-height: 36px;
  }

  /* Size select: prevent iOS zoom */
  .planning-size-select {
    font-size: 16px;
  }

  /* Progress bar compact on narrow screens */
  .planning-progress-bar {
    gap: var(--space-xs);
  }

  .planning-progress-text {
    font-size: 11px;
  }

  /* Confirm buttons: mobile-friendly sizing */
  .planning-confirm-btn {
    min-height: 36px;
    padding: var(--space-sm) var(--space-md);
  }

  /* Model selection: rows don't overflow */
  .planning-modal-body .inline-create-model-row {
    gap: var(--space-sm);
  }

  .planning-modal-body .model-badge {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Model selection: prevent iOS zoom on select elements */
  .planning-modal-body select {
    font-size: 16px;
  }
}

/* === Planning & Breakdown Modal — Inline Style Replacements === */

/* Icon color utilities */
.icon-triage {
  color: var(--triage);
}
.icon-triage-lg {
  color: var(--triage);
  margin-bottom: 12px;
}
.icon-todo {
  color: var(--todo);
}
.icon-success {
  color: var(--color-success);
}
.icon-text-secondary {
  color: var(--text-muted);
  flex-shrink: 0;
}
.icon-milestone {
  color: var(--icon-milestone);
  flex-shrink: 0;
}
.icon-slice {
  color: var(--icon-slice);
  flex-shrink: 0;
}
.icon-feature {
  color: var(--icon-feature);
  margin-top: 4px;
  flex-shrink: 0;
}

/* Icon margin utilities */
.icon-mr-4 {
  margin-right: 4px;
}
.icon-mr-6 {
  margin-right: 6px;
}
.icon-mr-8 {
  margin-right: 8px;
}
.icon-ml-4 {
  margin-left: 4px;
}
.icon-ml-6 {
  margin-left: 6px;
}

/* Error panel */
.ai-error-panel {
  border: 1px solid var(--color-error);
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-error) 10%, transparent);
  padding: 14px;
  display: grid;
  gap: 10px;
}
.ai-error-icon {
  font-size: 20px;
}
.ai-error-actions {
  display: flex;
  gap: 8px;
}

/* Text link button */
.text-link-btn {
  font-size: 12px;
  background: none;
  border: none;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}

/* Form hint error variant */
.form-hint-error {
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-error);
}

/* Text muted small */
.text-muted-sm {
  margin-left: 8px;
  font-size: 12px;
}

/* Model selector spacing */
.model-select-row--left {
  margin-right: auto;
  min-width: min(100%, 320px);
  max-width: 420px;
  text-align: left;
}
.model-selector-current--spaced {
  margin-top: 8px;
}

/* Roadmap hierarchy (MissionInterviewModal) */
.roadmap-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.roadmap-card {
  border: 1px solid var(--border-primary);
  border-radius: 8px;
  overflow: hidden;
}
.roadmap-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-secondary);
  cursor: pointer;
}
.roadmap-card-body {
  padding: 0 12px 12px 36px;
}
.roadmap-textarea-sm {
  font-size: 12px;
  margin-top: 2px;
}
.roadmap-textarea-md {
  font-size: 12px;
  margin-top: 8px;
}
.roadmap-textarea-xs {
  font-size: 11px;
  margin-top: 2px;
}
.roadmap-field-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}
.roadmap-field-group {
  margin-top: 6px;
}
.roadmap-slice-card {
  margin-top: 8px;
  border: 1px solid var(--border-primary);
  border-radius: 6px;
  overflow: hidden;
}
.roadmap-slice-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: var(--bg-tertiary);
  cursor: pointer;
}
.roadmap-slice-body {
  padding: 8px 10px 10px 30px;
}
.roadmap-slice-field-group {
  margin-bottom: 8px;
}
.roadmap-input-title {
  flex: 1;
  padding: 4px 8px;
  font-size: 13px;
  font-weight: 600;
}
.roadmap-input-subtitle {
  flex: 1;
  padding: 3px 6px;
  font-size: 12px;
  font-weight: 500;
}
.roadmap-input-feature {
  width: 100%;
  padding: 2px 6px;
  font-size: 12px;
}
.roadmap-feature-row {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 6px 0;
}
.roadmap-feature-row + .roadmap-feature-row {
  border-top: 1px solid var(--border-primary);
}
.roadmap-feature-text {
  font-size: 11px;
  color: var(--text-muted);
  margin: 2px 0 0 6px;
}
.roadmap-feature-text--italic {
  font-size: 11px;
  color: var(--text-muted);
  margin: 2px 0 0 6px;
  font-style: italic;
}
.roadmap-feature-content {
  flex: 1;
  min-width: 0;
}
.roadmap-add-feature-btn {
  font-size: 11px;
  padding: 4px 8px;
  margin-top: 6px;
  gap: 4px;
  display: flex;
  align-items: center;
}
.roadmap-shrink {
  flex-shrink: 0;
}

/* Subtask header override */
.subtask-item-header--between {
  justify-content: space-between;
}