/* ── CSS Custom Properties ───────────────────────────────────────────────
   All values injected at runtime via JS from wp_options.
   These are the fallback defaults only.
──────────────────────────────────────────────────────────────────────── */
#wp3dq-widget {
  --wp3dq-primary:   #0073aa;
  --wp3dq-accent:    #005d8c;
  --wp3dq-bg:        #ffffff;
  --wp3dq-text:      #1a1a1a;
  --wp3dq-border:    #e0e0e0;
  --wp3dq-success:   #16a34a;
  --wp3dq-error:     #dc2626;
  --wp3dq-radius:    10px;
  --wp3dq-font:      inherit;
  --wp3dq-font-size: 15px;
  --wp3dq-max-width: 860px;
  --wp3dq-vh:        380px;

  max-width:    var(--wp3dq-max-width);
  margin:       0 auto;
  font-family:  var(--wp3dq-font);
  font-size:    var(--wp3dq-font-size);
  color:        var(--wp3dq-text);
  background:   var(--wp3dq-bg);
  border:       1px solid var(--wp3dq-border);
  border-radius:var(--wp3dq-radius);
  padding:      24px;
  box-sizing:   border-box;
}

#wp3dq-widget *, #wp3dq-widget *::before, #wp3dq-widget *::after {
  box-sizing: border-box;
}

/* ── Layout ──────────────────────────────────────────────────────────── */
.wp3dq-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.wp3dq-viewer-col {
  flex: 0 0 auto;
  width: 360px;
  min-width: 0;
  position: sticky;
  top: 16px;
}

.wp3dq-controls-col {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── 3D Viewer ───────────────────────────────────────────────────────── */
.wp3dq-viewer-placeholder {
  width: 100%;
  height: var(--wp3dq-vh);
  border: 2px dashed var(--wp3dq-border);
  border-radius: var(--wp3dq-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #999;
  gap: 10px;
  background: #f8f9fa;
}

.wp3dq-viewer-placeholder p {
  margin: 0;
  font-size: 13px;
  text-align: center;
}

.wp3dq-viewer-canvas {
  width: 100%;
  height: var(--wp3dq-vh);
  border-radius: var(--wp3dq-radius);
  display: block;
}

/* ── Scale controls ──────────────────────────────────────────────────── */
.wp3dq-scale-controls {
  margin-top: 12px;
  padding: 14px;
  background: #f8f9fa;
  border: 1px solid var(--wp3dq-border);
  border-radius: calc(var(--wp3dq-radius) - 2px);
}

.wp3dq-scale-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.wp3dq-scale-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: #666;
}

.wp3dq-lock-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: #555;
  cursor: pointer;
}

.wp3dq-scale-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.wp3dq-axis-label {
  width: 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--wp3dq-primary);
}

.wp3dq-scale-row input[type="range"] {
  flex: 1;
  accent-color: var(--wp3dq-primary);
}

.wp3dq-scale-row input[type="number"] {
  width: 60px;
  padding: 3px 6px;
  border: 1px solid var(--wp3dq-border);
  border-radius: 5px;
  font-size: 12px;
  text-align: center;
}

.wp3dq-dimensions-display {
  margin-top: 8px;
  font-size: 12px;
  color: #666;
  text-align: center;
  min-height: 16px;
}

/* ── Upload area ─────────────────────────────────────────────────────── */
.wp3dq-upload-area {
  border: 2px dashed var(--wp3dq-border);
  border-radius: var(--wp3dq-radius);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}

.wp3dq-upload-area:hover,
.wp3dq-upload-area:focus-within {
  border-color: var(--wp3dq-primary);
  background: rgba(0,115,170,.04);
  outline: none;
}

.wp3dq-upload-area.wp3dq--dragover {
  border-color: var(--wp3dq-primary);
  background: rgba(0,115,170,.08);
}

.wp3dq-upload-icon {
  color: var(--wp3dq-primary);
  margin-bottom: 10px;
}

.wp3dq-upload-title {
  margin: 0 0 4px;
  font-weight: 600;
  font-size: 16px;
}

.wp3dq-upload-sub {
  margin: 0 0 14px;
  font-size: 13px;
  color: #888;
}

.wp3dq-browse-btn {
  background: var(--wp3dq-primary);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: background .2s;
}
.wp3dq-browse-btn:hover { background: var(--wp3dq-accent); }

/* ── File chosen bar ─────────────────────────────────────────────────── */
.wp3dq-file-chosen {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: var(--wp3dq-radius);
  font-size: 13px;
}

.wp3dq-file-chosen svg { color: var(--wp3dq-success); flex-shrink: 0; }

#wp3dq-filename {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wp3dq-remove-file {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
  color: #888;
  border-radius: 4px;
  display: flex;
  align-items: center;
}
.wp3dq-remove-file:hover { color: var(--wp3dq-error); }

/* ── Section labels ──────────────────────────────────────────────────── */
.wp3dq-section { display: flex; flex-direction: column; gap: 8px; }
.wp3dq-section--row { flex-direction: row; align-items: center; justify-content: space-between; }

.wp3dq-section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #666;
}

/* ── Material cards ──────────────────────────────────────────────────── */
.wp3dq-material-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.wp3dq-material-card {
  border: 2px solid var(--wp3dq-border);
  border-radius: var(--wp3dq-radius);
  padding: 10px 8px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.wp3dq-material-card:hover { border-color: var(--wp3dq-primary); }
.wp3dq-material-card.wp3dq--active {
  border-color: var(--wp3dq-primary);
  background: rgba(0,115,170,.06);
}

.wp3dq-mat-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,.12);
  display: block;
}

.wp3dq-mat-name {
  font-size: 12px;
  font-weight: 600;
}

/* ── Color swatches ──────────────────────────────────────────────────── */
.wp3dq-color-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.wp3dq-color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  transition: transform .15s, border-color .15s;
}

.wp3dq-color-swatch:hover { transform: scale(1.15); }
.wp3dq-color-swatch.wp3dq--active {
  border-color: var(--wp3dq-primary);
  box-shadow: 0 0 0 2px white inset;
}

.wp3dq-swatch-check {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: white;
  text-shadow: 0 1px 2px rgba(0,0,0,.6);
  opacity: 0;
  transition: opacity .15s;
}
.wp3dq-color-swatch.wp3dq--active .wp3dq-swatch-check { opacity: 1; }

/* ── Quality pills ───────────────────────────────────────────────────── */
.wp3dq-quality-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.wp3dq-quality-pill {
  padding: 7px 16px;
  border: 2px solid var(--wp3dq-border);
  border-radius: 999px;
  background: none;
  cursor: pointer;
  font-size: 13px;
  transition: border-color .15s, background .15s, color .15s;
}

.wp3dq-quality-pill:hover { border-color: var(--wp3dq-primary); }
.wp3dq-quality-pill.wp3dq--active {
  background: var(--wp3dq-primary);
  border-color: var(--wp3dq-primary);
  color: #fff;
}

/* ── Quantity ────────────────────────────────────────────────────────── */
.wp3dq-qty-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--wp3dq-border);
  border-radius: var(--wp3dq-radius);
  overflow: hidden;
}

.wp3dq-qty-btn {
  background: #f5f5f5;
  border: none;
  width: 34px;
  height: 34px;
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}
.wp3dq-qty-btn:hover { background: #e8e8e8; }

.wp3dq-quantity-input {
  width: 52px;
  border: none;
  border-left: 1px solid var(--wp3dq-border);
  border-right: 1px solid var(--wp3dq-border);
  text-align: center;
  font-size: 14px;
  height: 34px;
  padding: 0;
}
.wp3dq-quantity-input:focus { outline: none; }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.wp3dq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--wp3dq-radius);
  font-size: var(--wp3dq-font-size);
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, opacity .2s;
  border: 2px solid transparent;
  text-decoration: none;
}

.wp3dq-btn--primary {
  background: var(--wp3dq-primary);
  color: #fff;
  border-color: var(--wp3dq-primary);
  width: 100%;
}
.wp3dq-btn--primary:hover:not(:disabled) { background: var(--wp3dq-accent); border-color: var(--wp3dq-accent); }
.wp3dq-btn--primary:disabled { opacity: .45; cursor: not-allowed; }

.wp3dq-btn--ghost {
  background: transparent;
  color: var(--wp3dq-primary);
  border-color: var(--wp3dq-border);
}
.wp3dq-btn--ghost:hover { border-color: var(--wp3dq-primary); }

.wp3dq-btn--lg { padding: 13px 24px; font-size: 16px; }

/* ── Loading ─────────────────────────────────────────────────────────── */
.wp3dq-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  color: #555;
}

.wp3dq-spinner {
  width: 20px; height: 20px;
  border: 3px solid var(--wp3dq-border);
  border-top-color: var(--wp3dq-primary);
  border-radius: 50%;
  animation: wp3dq-spin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes wp3dq-spin { to { transform: rotate(360deg); } }

/* ── Error ───────────────────────────────────────────────────────────── */
.wp3dq-error {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--wp3dq-radius);
  color: var(--wp3dq-error);
  flex-wrap: wrap;
}
.wp3dq-error svg { flex-shrink: 0; margin-top: 2px; }
#wp3dq-error-msg { flex: 1; min-width: 0; }

/* ── Result card ─────────────────────────────────────────────────────── */
.wp3dq-result {
  border: 1px solid var(--wp3dq-border);
  border-radius: var(--wp3dq-radius);
  overflow: hidden;
}

.wp3dq-price-hero {
  background: linear-gradient(135deg, var(--wp3dq-primary), var(--wp3dq-accent));
  padding: 24px;
  text-align: center;
  color: #fff;
}

.wp3dq-price-main {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.1;
}

.wp3dq-price-sub {
  font-size: 14px;
  opacity: .85;
  margin-top: 4px;
}

.wp3dq-bulk-badge {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 12px;
  background: rgba(255,255,255,.25);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

/* Stats grid */
.wp3dq-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--wp3dq-border);
}

.wp3dq-stat {
  padding: 14px 16px;
  border-right: 1px solid var(--wp3dq-border);
  border-bottom: 1px solid var(--wp3dq-border);
}
.wp3dq-stat:nth-child(3n) { border-right: none; }
.wp3dq-stat:nth-last-child(-n+3) { border-bottom: none; }

.wp3dq-stat-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #888;
  margin-bottom: 3px;
}

.wp3dq-stat-value {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

/* Price breakdown */
.wp3dq-breakdown {
  padding: 12px 16px;
  border-bottom: 1px solid var(--wp3dq-border);
}
.wp3dq-breakdown summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--wp3dq-primary);
  font-weight: 600;
}
.wp3dq-breakdown-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
  margin: 10px 0 0;
  font-size: 13px;
}
.wp3dq-breakdown-list dt { color: #666; }
.wp3dq-breakdown-list dd { margin: 0; font-weight: 600; }

/* Result actions */
.wp3dq-result-actions {
  padding: 16px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.wp3dq-result-actions .wp3dq-btn--primary { flex: 1; }

/* Cart confirmation */
.wp3dq-cart-confirm {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #f0fdf4;
  border-top: 1px solid #86efac;
  color: var(--wp3dq-success);
  font-weight: 600;
  font-size: 14px;
}
.wp3dq-cart-link {
  margin-left: auto;
  color: var(--wp3dq-primary);
  text-decoration: underline;
}

/* Disclaimer */
.wp3dq-disclaimer {
  padding: 10px 16px;
  font-size: 11px;
  color: #999;
  text-align: center;
  margin: 0;
  border-top: 1px solid var(--wp3dq-border);
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 680px) {
  .wp3dq-layout {
    flex-direction: column;
  }
  .wp3dq-viewer-col {
    width: 100%;
    position: static;
  }
  .wp3dq-material-picker {
    grid-template-columns: repeat(2, 1fr);
  }
  .wp3dq-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .wp3dq-stat:nth-child(3n)     { border-right: 1px solid var(--wp3dq-border); }
  .wp3dq-stat:nth-child(2n)     { border-right: none; }
  .wp3dq-stat:nth-last-child(-n+2) { border-bottom: none; }
  .wp3dq-price-main { font-size: 32px; }
}

@media (max-width: 480px) {
  #wp3dq-widget { padding: 16px; }
  .wp3dq-result-actions { flex-direction: column; }
  .wp3dq-result-actions .wp3dq-btn { width: 100%; }
}