/* ============================================
   Builder — Light style, inside site layout
   ============================================ */

.builder-section {
  padding-top: 100px; /* header offset */
  padding-bottom: var(--sp-8);
  min-height: 100vh;
}

.builder-section .container {
  max-width: 1400px;
}

/* ── Page header ── */
.builder-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}

.builder-heading__left h1 {
  font-size: var(--fs-xl);
  margin-bottom: var(--sp-1);
}

.builder-heading__left p {
  font-size: var(--fs-sm);
  color: var(--color-text-sec);
}

.builder-heading__right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* Price badge */
.price-badge {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: var(--radius-md);
}

.price-badge__label {
  font-size: var(--fs-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--fw-semi);
  opacity: 0.7;
}

.price-badge__value {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
}

.price-badge__meta {
  font-size: var(--fs-xs);
  color: var(--color-text-sec);
  font-family: var(--font-heading);
}

/* Action buttons row */
.builder-actions-row {
  display: flex;
  gap: var(--sp-2);
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  font-family: var(--font-heading);
  transition: all 150ms ease;
  min-height: 40px;
}

.toolbar-btn--order {
  background: var(--color-accent);
  color: #fff;
}

.toolbar-btn--order:hover:not(:disabled) {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

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

.toolbar-btn--clear {
  color: var(--color-text-sec);
  border: 1px solid var(--color-border);
}

.toolbar-btn--clear:hover:not(:disabled) {
  color: var(--color-error);
  border-color: rgba(220, 38, 38, 0.25);
  background: rgba(220, 38, 38, 0.04);
}

.toolbar-btn--clear:disabled {
  opacity: 0.3;
  cursor: default;
}

/* ── Main layout ── */
.builder-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--sp-5);
  align-items: start;
}

/* ── Sidebar ── */
.builder-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-height: calc(100vh - 220px);
}

/* Drop zone */
.drop-zone {
  margin: var(--sp-3);
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--sp-6) var(--sp-3);
  text-align: center;
  cursor: pointer;
  transition: all 200ms ease;
  background: var(--color-bg);
  flex-shrink: 0;
}

.drop-zone:hover,
.drop-zone--active {
  border-color: var(--color-accent);
  background: rgba(37, 99, 235, 0.03);
}

.drop-zone__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

.drop-zone__content p {
  color: var(--color-text-sec);
  font-size: var(--fs-xs);
  margin: 0;
}

.drop-zone__content p strong {
  color: var(--color-primary);
  font-size: var(--fs-sm);
}

.drop-zone svg { opacity: 0.5; }
.drop-zone:hover svg { opacity: 0.8; }

/* Layers label */
.sidebar-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  font-size: 11px;
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-sec);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.sidebar-label span:last-child {
  font-size: 10px;
  background: var(--color-surface-alt);
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: 0;
  text-transform: none;
  font-weight: var(--fw-medium);
  color: var(--color-text-sec);
}

/* Image list */
.image-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 4px 8px 12px;
}

.image-list::-webkit-scrollbar { width: 4px; }
.image-list::-webkit-scrollbar-track { background: transparent; }
.image-list::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

/* Image item */
.image-item {
  display: grid;
  grid-template-columns: 36px 1fr auto auto auto;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  transition: all 120ms ease;
  margin-bottom: 2px;
}

.image-item:hover {
  background: var(--color-bg);
}

.image-item__thumb {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  background: repeating-conic-gradient(var(--color-surface-alt) 0% 25%, var(--color-surface) 0% 50%) 50% / 8px 8px;
  border: 1px solid var(--color-border);
}

.image-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.image-item__info { min-width: 0; }

.image-item__name {
  font-size: 11px;
  font-weight: var(--fw-medium);
  color: var(--color-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.image-item__dims {
  font-size: 10px;
  color: var(--color-text-sec);
  margin-top: 1px;
  font-family: var(--font-heading);
  opacity: 0.6;
}

/* Size inputs */
.image-item__size {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.image-item__size input {
  width: 38px;
  padding: 4px 2px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  text-align: center;
  font-size: 11px;
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  background: var(--color-bg);
  color: var(--color-primary);
  min-height: 28px;
  transition: all 150ms ease;
}

.image-item__size input:focus {
  border-color: var(--color-accent);
  background: rgba(37, 99, 235, 0.04);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.image-item__size span {
  font-size: 10px;
  color: var(--color-text-sec);
  opacity: 0.5;
}

/* Quantity */
.image-item__qty {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.image-item__qty button {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--color-text-sec);
  transition: all 120ms ease;
}

.image-item__qty button:hover {
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.06);
}

.image-item__qty-input {
  width: 32px;
  padding: 2px 1px;
  border: 1px solid transparent;
  border-radius: 4px;
  text-align: center;
  font-size: 11px;
  font-family: var(--font-heading);
  font-weight: var(--fw-semi);
  background: transparent;
  color: var(--color-primary);
  min-height: 24px;
  transition: all 150ms ease;
  -moz-appearance: textfield;
}

.image-item__qty-input::-webkit-inner-spin-button,
.image-item__qty-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.image-item__qty-input:hover {
  border-color: var(--color-border);
  background: var(--color-bg);
}

.image-item__qty-input:focus {
  border-color: var(--color-accent);
  background: rgba(37, 99, 235, 0.04);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

/* Remove */
.image-item__remove {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-sec);
  flex-shrink: 0;
  transition: all 120ms ease;
  opacity: 0;
}

.image-item:hover .image-item__remove { opacity: 1; }

.image-item__remove:hover {
  color: var(--color-error);
  background: rgba(220, 38, 38, 0.06);
}

/* ── Sidebar Tips ── */
.sidebar-tips {
  flex-shrink: 0;
  border-top: 1px solid var(--color-border);
}

.sidebar-tip {
  border-bottom: 1px solid var(--color-border);
}

.sidebar-tip:last-child {
  border-bottom: none;
}

.sidebar-tip summary {
  padding: 10px 14px;
  font-size: 11px;
  font-weight: var(--fw-semi);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-sec);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color 150ms ease;
  user-select: none;
}

.sidebar-tip summary::-webkit-details-marker {
  display: none;
}

.sidebar-tip summary::after {
  content: '+';
  font-size: 14px;
  font-weight: 400;
  opacity: 0.4;
  transition: transform 200ms ease;
}

.sidebar-tip[open] summary::after {
  content: '−';
}

.sidebar-tip summary:hover {
  color: var(--color-primary);
}

.sidebar-tip ol,
.sidebar-tip ul {
  padding: 0 14px 12px;
  margin: 0;
  font-size: 12px;
  color: var(--color-text-sec);
  line-height: 1.6;
}

.sidebar-tip ol {
  list-style: none;
  counter-reset: tip-step;
}

.sidebar-tip ol li {
  counter-increment: tip-step;
  padding-left: 20px;
  position: relative;
  margin-bottom: 4px;
}

.sidebar-tip ol li::before {
  content: counter(tip-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-accent);
  font-size: 10px;
  font-weight: var(--fw-semi);
  font-family: var(--font-heading);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.sidebar-tip ul li {
  margin-bottom: 4px;
  padding-left: 12px;
  position: relative;
}

.sidebar-tip ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-border);
}

.sidebar-tip ul li strong {
  color: var(--color-primary);
  font-weight: var(--fw-medium);
}

.sidebar-tip__keys {
  padding: 0 14px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 11px;
  color: var(--color-text-sec);
}

.sidebar-tip__keys kbd {
  display: inline-block;
  padding: 1px 5px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: var(--fw-medium);
  color: var(--color-primary);
}

.sidebar-tip__warn {
  margin: 0;
  padding: 8px 14px 12px;
  font-size: 11px;
  color: var(--color-cta);
  font-weight: var(--fw-medium);
  line-height: 1.5;
}

/* ── Canvas Area ── */
.builder-canvas-area {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-alt);
  background-image: radial-gradient(circle, rgba(0,0,0,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-height: 500px;
  height: calc(100vh - 220px);
}

.builder-canvas-area__watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  max-width: 500px;
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

/* Artboard */
.artboard {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: center center;
}

.artboard__sheet {
  background: #fff;
  border-radius: 2px;
  box-shadow:
    0 0 0 1px var(--color-border),
    0 4px 24px rgba(0,0,0,0.08),
    0 1px 4px rgba(0,0,0,0.04);
}

.artboard__sheet canvas {
  display: block;
  border-radius: 2px;
}

.artboard__label {
  position: absolute;
  top: -22px;
  left: 0;
  font-size: 11px;
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  color: var(--color-text-sec);
  white-space: nowrap;
  opacity: 0.6;
}

/* Empty state */
.canvas-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  pointer-events: none;
}

.canvas-empty svg { opacity: 0.15; stroke: var(--color-text-sec); }
.canvas-empty p { font-size: var(--fs-sm); color: var(--color-text-sec); opacity: 0.5; }
.canvas-empty--hidden { display: none; }

/* Zoom controls */
.zoom-controls {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px;
  z-index: 5;
  box-shadow: var(--shadow-sm);
}

.zoom-btn {
  width: 30px;
  height: 28px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-sec);
  font-size: 16px;
  transition: all 120ms ease;
}

.zoom-btn:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}

.zoom-btn--label {
  font-size: 11px;
  font-family: var(--font-heading);
  font-weight: var(--fw-semi);
  width: auto;
  padding: 0 8px;
}

.zoom-sep {
  width: 1px;
  height: 18px;
  background: var(--color-border);
  margin: 0 2px;
}

.zoom-level {
  font-size: 11px;
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  color: var(--color-text-sec);
  min-width: 42px;
  text-align: center;
  cursor: pointer;
}

.zoom-level:hover { color: var(--color-primary); }

/* ── Order summary in modal ── */
.order-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  margin-bottom: var(--sp-5);
  font-size: var(--fs-sm);
}

.order-summary__row {
  display: flex;
  justify-content: space-between;
  padding: var(--sp-1) 0;
}

.order-summary__row--total {
  border-top: 1px solid var(--color-border);
  margin-top: var(--sp-2);
  padding-top: var(--sp-2);
  font-weight: var(--fw-semi);
  font-size: var(--fs-base);
  color: var(--color-primary);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .builder-layout {
    grid-template-columns: 1fr;
  }

  .builder-canvas-area {
    min-height: 400px;
    height: 50vh;
  }

  .builder-heading {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .builder-heading__right {
    width: 100%;
    justify-content: space-between;
  }

  .price-badge {
    flex: 1;
  }
}