/* ── Upload Page ─────────────────────────────────────────────── */
.upload-page {
  padding-block: var(--space-10);
}

.upload-page .page-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.page-sub {
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
}

.upload-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-8);
  align-items: start;
}

.upload-zone-col { }

.upload-config-col {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
}

/* Drop zone */
.upload-dropzone {
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--color-gray-50);
  user-select: none;
}

.upload-dropzone:hover,
.upload-dropzone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-pale);
}

.upload-dropzone-inner {
  pointer-events: auto;
}

.upload-icon {
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.upload-hint {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.upload-or {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin-bottom: var(--space-4);
}

.upload-accepted {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-top: var(--space-4);
}

.upload-progress-wrap {
  height: 6px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.upload-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.2s ease;
}

.upload-progress-label {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  text-align: center;
}

/* Viewer — same structure as product page */
.viewer-canvas-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg, var(--color-secondary) 0%, #1e3a6e 100%);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255,255,255,.08);
}

#viewer-canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

.viewer-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(19,38,72,.6);
}

.viewer-hint {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  color: rgba(255,255,255,.85);
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  pointer-events: none;
  transition: opacity .5s ease;
}

.viewer-controls {
  position: absolute;
  bottom: var(--space-4);
  right: var(--space-4);
  display: flex;
  gap: var(--space-2);
}

.viewer-ctrl-btn {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.viewer-ctrl-btn:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.35); }

/* Config card */
.config-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
}

.config-card h2 {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-5);
}

.config-section {
  margin-bottom: var(--space-5);
}

.config-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-3);
}

/* Material tabs */
.material-tabs {
  display: flex;
  gap: var(--space-2);
}

.material-tab {
  flex: 1;
  padding: var(--space-3) var(--space-2);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.material-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-secondary);
}

.material-tab.active {
  border-color: var(--color-primary);
  background: var(--color-primary-pale);
  color: var(--color-secondary);
}

/* Color grid */
.color-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.color-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-white);
  width: 80px;
}

.color-card:hover {
  border-color: var(--color-primary);
}

.color-card.active {
  border-color: var(--color-primary);
  background: var(--color-primary-pale);
}

.color-card img {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-100);
  display: block;
}

.color-card-name {
  font-size: 11px;
  font-weight: var(--font-medium);
  color: var(--color-secondary);
  text-align: center;
  line-height: 1.2;
}

.color-none-msg {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

/* Scale labels */
.scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-top: var(--space-2);
}

/* Quantity control */
.qty-control {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.qty-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-gray-200);
  background: var(--color-white);
  color: var(--color-secondary);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  line-height: 1;
}

.qty-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.qty-control input[type=number] {
  width: 60px;
  text-align: center;
  padding: var(--space-2);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
}

/* Price estimate block */
.config-price-block {
  background: var(--color-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}

.config-price-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: rgba(255,255,255,.6);
  margin-bottom: var(--space-2);
}

.config-price-row--ex { opacity: .7; }

.config-price-total {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: var(--space-3);
  margin-top: var(--space-3);
}

.config-price-total span:first-child {
  color: var(--color-white);
}

.price-vat-note {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.4);
  text-align: right;
  margin-top: var(--space-2);
}

.upload-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-12);
  padding-block: var(--space-10);
  align-items: start;
}

/* Drop zone (legacy class alias) */
.drop-zone {
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--color-gray-50);
  position: relative;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-pale);
}

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.drop-icon {
  font-size: 56px;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.drop-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.drop-sub {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

.drop-formats {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}

.format-chip {
  padding: var(--space-1) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Upload progress */
.upload-progress-wrap {
  margin-top: var(--space-6);
  display: none;
}

.upload-progress-wrap.visible { display: block; }

.upload-file-info {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-3);
}

.upload-file-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-pale);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.upload-file-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
}

.upload-file-size {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

/* Upload result panel */
.upload-result {
  display: none;
}

.upload-result.visible { display: block; }

.upload-result-viewer {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg, var(--color-secondary) 0%, #1e3a6e 100%);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
}

/* Side panel */
.upload-config-panel {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  display: none;
}

.upload-config-panel.visible { display: block; }

.upload-price-estimate {
  background: var(--color-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  text-align: center;
}

.upload-price-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.5);
  margin-bottom: var(--space-2);
}

.upload-price-value {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
}

.upload-price-vat {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.4);
  margin-top: var(--space-1);
}

.upload-info-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.upload-info-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

.upload-info-value {
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
}

@media (max-width: 1024px) {
  .upload-layout { grid-template-columns: 1fr; }
  .upload-config-panel { position: static; }
  .upload-grid { grid-template-columns: 1fr; }
  .upload-config-col { position: static; }
}