/* Product Configurator tool -- centered modal with segment pickers.
 * Mounts inside the platform tool overlay (.tool-overlay-container, z:8000).
 * Canonical CSS tokens only -- no hardcoded colours.
 */

.pcfg-modal {
  width: min(720px, 96vw);
  max-height: 92vh;
  margin: auto;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  overflow: hidden;
  font-family: inherit;
  color: var(--text-primary);
  transition: width 0.18s ease;
}

.pcfg-modal-with-cutsheet {
  width: min(1500px, 98vw);
  grid-template-columns: minmax(360px, 480px) minmax(0, 1fr);
}

.pcfg-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-height: 92vh;
}

.pcfg-cutsheet {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-height: 92vh;
  border-left: 1px solid var(--border);
  background: var(--panel-2);
}

.pcfg-cutsheet[hidden] { display: none; }

.pcfg-cutsheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.pcfg-cutsheet-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

.pcfg-cutsheet-close {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 6px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
}

.pcfg-cutsheet-close:hover {
  background: var(--row-hover);
  color: var(--text-primary);
}

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

.pcfg-cutsheet-status {
  padding: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
}

.pcfg-cutsheet-status-error { color: var(--error); }

/* ---------- Cutsheet toolbar + viewport (zoom/pan) ---------- */

.pcfg-cs-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex: 0 0 auto;
}

.pcfg-cs-toolbar-group {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.pcfg-cs-toolbar-spacer {
  flex: 1 1 auto;
}

.pcfg-cs-btn {
  appearance: none;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: inherit;
}

.pcfg-cs-btn-text {
  width: auto;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 600;
}

.pcfg-cs-btn:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.pcfg-cs-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pcfg-cs-page-indicator,
.pcfg-cs-zoom-indicator {
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  min-width: 70px;
  text-align: center;
}

.pcfg-cs-viewport {
  flex: 1 1 auto;
  position: relative;
  overflow: hidden;
  background: var(--panel-2);
  cursor: grab;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pcfg-cs-viewport.pcfg-cs-dragging {
  cursor: grabbing;
}

.pcfg-cs-stage {
  /* Flex-centred in the viewport at rest. JS then applies
     translate (pan) + scale (zoom) via transform; transform-origin
     stays at center so cursor-anchored zoom math (cursor offset
     from viewport center) lines up with the pan adjustment. */
  transform: translate(0px, 0px) scale(1);
  transform-origin: center center;
  will-change: transform;
}

.pcfg-cs-canvas {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  user-select: none;
  -webkit-user-drag: none;
}

.pcfg-cs-overlay-status {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-secondary);
  pointer-events: none;
  font-style: italic;
  display: none;
}

.pcfg-cs-overlay-status-error {
  border-color: var(--error);
  color: var(--error);
}

.pcfg-cutsheet-toggle {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.pcfg-cutsheet-toggle:hover {
  background: var(--row-hover);
  color: var(--text-primary);
}

.pcfg-cutsheet-toggle-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text-primary);
}

.pcfg-seg-clear {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  border-radius: 999px;
  width: 18px;
  height: 18px;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  margin-left: auto;
}

.pcfg-seg-clear:hover {
  background: var(--row-hover);
  border-color: var(--accent);
  color: var(--text-primary);
}

.pcfg-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}

.pcfg-title {
  flex: 1;
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pcfg-close {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}

.pcfg-close:hover {
  background: var(--row-hover);
  color: var(--text-primary);
}

.pcfg-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pcfg-loading,
.pcfg-error,
.pcfg-no-ladder {
  padding: 24px;
  color: var(--text-secondary);
  text-align: center;
  font-size: 13px;
}

.pcfg-error {
  color: var(--error);
}

/* ---------- Header product card ---------- */

.pcfg-product {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.pcfg-product-mfr {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

.pcfg-product-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.pcfg-product-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ---------- Previously used chips ---------- */

.pcfg-prev,
.pcfg-prev-empty {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pcfg-prev-empty-text {
  font-size: 12px;
  color: var(--text-tertiary);
  font-style: italic;
}

.pcfg-prev-header {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

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

.pcfg-chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 999px;
  font-size: 12px;
  font-family: var(--font-mono, monospace);
  cursor: pointer;
}

.pcfg-chip:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.pcfg-chip-legacy {
  cursor: default;
  color: var(--text-tertiary);
  background: transparent;
  border-style: dashed;
}

.pcfg-chip-legacy:hover {
  border-color: var(--border);
  background: transparent;
}

.pcfg-chip-legacy-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

.pcfg-prev-more {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-left: 4px;
}

/* ---------- Component tabs (multi-component families only) ---------- */

.pcfg-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
  padding-bottom: 0;
}

.pcfg-tab {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
}

.pcfg-tab:hover {
  color: var(--text-primary);
  background: var(--row-hover);
}

.pcfg-tab-active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
  background: var(--panel);
}

.pcfg-tab-role {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
}

.pcfg-tab-role-leader {
  background: var(--accent-soft);
  color: var(--accent);
}

.pcfg-tab-role-child {
  background: var(--row-alt);
  color: var(--text-tertiary);
}

.pcfg-tab-optional {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--warning-soft);
  color: var(--warning);
}

.pcfg-component-optional-hint {
  margin-top: -8px;
  font-size: 12px;
  color: var(--text-tertiary);
}

.pcfg-component-detachable-hint {
  margin-top: 6px;
  padding: 8px 10px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.pcfg-tab-status {
  font-size: 10px;
  font-family: var(--font-mono, monospace);
  padding: 1px 5px;
  border-radius: 3px;
}

.pcfg-tab-status-missing {
  background: var(--error-soft);
  color: var(--error);
}

.pcfg-tab-status-ready {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ---------- Footer multi-component lines ---------- */

.pcfg-pn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  font-size: 12px;
}

.pcfg-pn-role {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
}

.pcfg-pn-role-leader {
  background: var(--accent-soft);
  color: var(--accent);
}

.pcfg-pn-role-child {
  background: var(--row-alt);
  color: var(--text-tertiary);
}

.pcfg-pn-status {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px;
}

.pcfg-pn-status-new {
  background: var(--accent-soft);
  color: var(--accent);
}

.pcfg-pn-status-exists {
  background: var(--row-alt);
  color: var(--text-tertiary);
}

.pcfg-pn-attrs {
  color: var(--text-tertiary);
  font-size: 11px;
}

/* ---------- Segments ---------- */

.pcfg-segment {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pcfg-seg-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.pcfg-seg-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.pcfg-seg-required,
.pcfg-seg-optional {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.pcfg-seg-required {
  color: var(--accent);
}

.pcfg-seg-optional {
  color: var(--text-tertiary);
}

.pcfg-radios {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pcfg-radio {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.pcfg-radio:hover {
  border-color: var(--accent);
}

.pcfg-radio-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text-primary);
}

.pcfg-radio-code {
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  color: var(--text-tertiary);
}

.pcfg-radio-active .pcfg-radio-code {
  color: var(--text-secondary);
}

.pcfg-select {
  appearance: none;
  height: 32px;
  padding: 0 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  max-width: 320px;
}

.pcfg-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

/* ---------- Footer ---------- */

.pcfg-footer {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--panel-2);
}

.pcfg-summary {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pcfg-pn-line {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.pcfg-pn-label {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

.pcfg-pn-value {
  font-family: var(--font-mono, monospace);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.pcfg-pn-empty {
  font-size: 12px;
  color: var(--text-tertiary);
  font-style: italic;
}

.pcfg-variant-line {
  font-size: 12px;
  color: var(--text-tertiary);
}

.pcfg-status {
  font-size: 12px;
  padding: 6px 8px;
  border-radius: 6px;
}

.pcfg-status-exists {
  color: var(--text-secondary);
  background: var(--row-alt);
  border: 1px solid var(--border);
}

.pcfg-status-new {
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
}

.pcfg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

@media (max-width: 640px) {
  .pcfg-modal {
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
    grid-template-columns: minmax(0, 1fr);
  }
  .pcfg-modal-with-cutsheet {
    width: 100vw;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) minmax(160px, 220px);
  }
  .pcfg-cutsheet { border-left: none; border-top: 1px solid var(--border); }
  .pcfg-radio,
  .pcfg-chip,
  .pcfg-select {
    font-size: 16px; /* prevent iOS zoom on focus */
  }
}