/* ============================================
   LC CONFIGURATOR — Premium 3D Furniture Builder
   ============================================ */

.configurator-page {
  padding: 100px 0 60px;
  background: var(--bg);
  min-height: 100vh;
}

.config-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.config-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--ink);
  margin: 0 0 16px;
  line-height: 1.15;
}
.config-header h1 span { color: var(--ink-muted); font-style: italic; }
.config-subtitle {
  font-size: var(--text-md);
  color: var(--ink-muted);
  line-height: 1.8;
  margin: 0;
}

/* ---- Layout ---- */
.config-layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 32px;
  align-items: start;
}
@media (max-width: 1024px) {
  .config-layout { grid-template-columns: 1fr; }
}
@media (min-width: 1025px) {
  .config-viewport { position: sticky; top: 88px; }
}

/* ---- Sidebar ---- */
.config-sidebar {
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
}

/* ---- Step Indicator ---- */
.step-indicator {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.step-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.step-dot span {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--ink-muted);
  font-size: 0.72rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.step-dot em {
  font-style: normal;
  font-size: 0.65rem;
  color: var(--ink-muted);
  white-space: nowrap;
}
.step-dot.active span {
  background: var(--ink);
  color: var(--surface);
}
.step-dot.active em {
  color: var(--ink);
  font-weight: 600;
}
.step-dot.done span {
  background: var(--success);
  color: #fff;
}
.step-dot:hover { background: var(--bg-alt); }

/* ---- Step Panels ---- */
.config-step-panel { display: none; }
.config-step-panel.active { display: block; }
.step-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--ink);
  margin-bottom: 20px;
}

/* ---- Furniture Grid ---- */
.fg-category { margin-bottom: 18px; }
.fg-cat-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 8px;
}
.fg-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.fg-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: var(--bg);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--ink-soft);
}
.fg-card i {
  font-size: 1.2rem;
  color: var(--ink-muted);
  transition: color 0.2s ease;
}
.fg-card:hover {
  border-color: var(--accent-border);
  background: var(--surface-hover);
}
.fg-card.selected {
  border-color: var(--ink);
  background: var(--surface);
}
.fg-card.selected i { color: var(--ink); }
.fg-card.selected span { font-weight: 600; color: var(--ink); }

/* ---- Structure Counters ---- */
.struct-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: var(--border);
}
.struct-row:last-child { border-bottom: none; }
.struct-row label {
  font-size: 0.88rem;
  color: var(--ink);
  font-weight: 500;
}
.struct-counter {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sc-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-border);
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  font-family: var(--font-body);
}
.sc-btn:hover {
  border-color: var(--ink);
  background: var(--surface);
}
.sc-val {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  min-width: 24px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* ---- Dimensions ---- */
.dim-hint {
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-bottom: 16px;
  font-style: italic;
}
.dim-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 12px;
}
.dim-field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 6px;
}
.dim-input-wrap {
  position: relative;
}
.dim-input-wrap input {
  width: 100%;
  padding: 10px 32px 10px 12px;
  background: var(--bg);
  border: 1.5px solid rgba(26,23,20,0.08);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-family: var(--font-body);
  transition: border-color 0.2s ease;
}
.dim-input-wrap input:focus {
  outline: none;
  border-color: var(--ink);
}
.dim-unit {
  position: absolute;
  right: 10px;
  bottom: 10px;
  font-size: 0.75rem;
  color: var(--ink-muted);
}
.link-btn {
  background: none;
  border: none;
  color: var(--ink-muted);
  font-size: 0.78rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-family: var(--font-body);
}
.link-btn:hover { color: var(--ink); }

/* ---- Materials ---- */
.material-categories {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.mat-cat-btn {
  padding: 8px 16px;
  border: 1.5px solid var(--accent-border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-body);
}
.mat-cat-btn:hover { border-color: var(--ink); }
.mat-cat-btn.active {
  background: var(--ink);
  color: var(--surface);
  border-color: var(--ink);
}

.swatch-section { margin-bottom: 16px; }
.swatch-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 8px;
}
.swatch-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.swatch-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 8px;
  background: var(--bg);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  min-width: 56px;
  font-family: var(--font-body);
}
.swatch-btn:hover { border-color: var(--accent-border); }
.swatch-btn.active {
  border-color: var(--ink);
  background: var(--surface);
}
.swatch-preview {
  width: 36px;
  height: 24px;
  border-radius: 3px;
  border: 1px solid rgba(26,23,20,0.06);
  display: block;
}
.swatch-name {
  font-size: 0.65rem;
  color: var(--ink-soft);
  white-space: nowrap;
}
.swatch-btn.active .swatch-name { font-weight: 600; color: var(--ink); }

.mat-info-card {
  background: var(--bg);
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 4px;
}
.mat-info-title {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink);
  margin-bottom: 4px;
}
.mat-info-desc {
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.6;
  margin-bottom: 4px;
}
.mat-info-detail {
  font-size: 0.75rem;
  color: var(--ink-muted);
}
.mat-info-price {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: 6px;
}

/* ---- Hardware ---- */
.hw-section {
  margin-bottom: 18px;
}
.hw-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 8px;
}
.hw-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hw-btn {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 14px;
  background: var(--bg);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  font-family: var(--font-body);
}
.hw-btn:hover { border-color: var(--accent-border); }
.hw-btn.active {
  border-color: var(--ink);
  background: var(--surface);
}
.hw-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
}
.hw-desc {
  font-size: 0.75rem;
  color: var(--ink-muted);
}
.hw-price {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: 2px;
}

/* ---- Extras ---- */
.extra-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: var(--bg);
  border: 1.5px solid var(--accent-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}
.extra-check:has(input:checked) {
  border-color: var(--ink);
  background: var(--surface);
}
.extra-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--ink);
  cursor: pointer;
  flex-shrink: 0;
}
.extra-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.extra-text strong {
  font-size: 0.88rem;
  color: var(--ink);
}
.extra-text em {
  font-style: normal;
  font-size: 0.75rem;
  color: var(--ink-muted);
}

/* ---- Review ---- */
.review-card {
  margin-bottom: 20px;
}
.rv-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: var(--border);
  font-size: 0.85rem;
}
.rv-row:last-child { border-bottom: none; }
.rv-label { color: var(--ink-muted); }
.rv-val { color: var(--ink); font-weight: 500; text-align: right; }

.price-estimate {
  background: var(--bg);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  margin-bottom: 20px;
}
.price-header {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 8px;
}
.price-total {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--ink);
  margin-bottom: 8px;
}
.price-note {
  font-size: 0.75rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

.review-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
.review-field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 6px;
}
.review-field input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1.5px solid rgba(26,23,20,0.08);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--ink);
  font-family: var(--font-body);
  transition: border-color 0.2s ease;
}
.review-field input:focus {
  outline: none;
  border-color: var(--ink);
}

.review-actions {
  display: flex;
  gap: 10px;
}

/* ---- Buttons ---- */
.btn-primary {
  flex: 1;
  padding: 13px 20px;
  background: var(--ink);
  color: var(--surface);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }

.btn-secondary {
  padding: 13px 18px;
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--accent-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}
.btn-secondary:hover { border-color: var(--ink); }

.muted {
  font-size: 0.85rem;
  color: var(--ink-muted);
  padding: 20px 0;
  text-align: center;
}

/* ---- Navigation ---- */
.step-nav {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: var(--border);
}
.btn-nav {
  padding: 10px 20px;
  border: 1.5px solid var(--accent-border);
  border-radius: var(--radius-sm);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
}
.btn-nav:hover:not(:disabled) { border-color: var(--ink); }
.btn-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.btn-next {
  flex: 1;
  justify-content: flex-end;
  background: var(--ink);
  color: var(--surface);
  border-color: var(--ink);
}
.btn-next:hover:not(:disabled) { opacity: 0.85; }

/* ---- Viewport ---- */
.config-viewport {
  position: relative;
}
.viewport-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.viewport-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.viewport-controls {
  display: flex;
  gap: 4px;
}
.vp-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink-muted);
  font-size: 0.78rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}
.vp-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.viewport-canvas-wrap {
  background: var(--surface);
  border: var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
}

#cfgCanvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  cursor: grab;
}
#cfgCanvas:active { cursor: grabbing; }

.viewport-hint {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  color: var(--ink-muted);
  background: rgba(246,241,235,0.85);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 20px;
  pointer-events: none;
  white-space: nowrap;
}

/* ---- Mobile ---- */
@media (max-width: 1024px) {
  .configurator-page { padding: 80px 0 40px; }
  .config-sidebar { border-radius: 0; border-left: none; border-right: none; }
  .config-layout { gap: 0; }
  .config-viewport { order: -1; margin-bottom: 0; }
  .viewport-canvas-wrap { aspect-ratio: 16/10; border-radius: 0; border: none; }
  .step-nav { position: sticky; bottom: 0; background: var(--surface); padding: 12px 28px; margin: 0 -28px; border-top: var(--border); z-index: 10; }
}
@media (max-width: 640px) {
  .fg-items { grid-template-columns: repeat(2, 1fr); }
  .dim-grid { grid-template-columns: 1fr; }
  .review-contact { grid-template-columns: 1fr; }
  .review-actions { flex-direction: column; }
  .step-indicator { gap: 2px; }
  .step-dot em { display: none; }
  .viewport-canvas-wrap { aspect-ratio: 1/1; }
}