/* QR DESIGN panel — matches reference UI (Frame / Logo / Color & Shape) */

.qr-design {
  margin-top: 0.25rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
}

.qr-design__body {
  display: grid;
  gap: 1rem;
  min-width: 0;
  max-width: 100%;
}

.qr-design__loading {
  margin: 0;
  padding: 0.35rem 0 0.5rem;
  color: #64748b;
}

/* Tabs — blue underline style */
.qr-design__tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid #e2e8f0;
}

.qr-design__tab {
  position: relative;
  padding: 0.65rem 1rem;
  border: none;
  border-radius: 0;
  background: transparent;
  color: #64748b;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.15s ease;
}

.qr-design__tab:hover {
  color: #2563eb;
}

.qr-design__tab.is-active {
  color: #2563eb;
}

.qr-design__tab.is-active::after {
  content: "";
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  bottom: -1px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: #2563eb;
}

.qr-design__panel {
  display: grid;
  gap: 1rem;
}

.qr-design__panel[hidden] {
  display: none !important;
}

/* Picker grids */
.qr-design__grid {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
  max-width: 100%;
}

.qr-design__grid--frames {
  grid-template-columns: repeat(9, minmax(0, 1fr));
}

.qr-design__grid--logo {
  grid-template-columns: repeat(8, minmax(0, 1fr));
}

.qr-design__grid--patterns {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  max-width: 22rem;
}

@media (max-width: 720px) {
  .qr-design__grid--frames {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .qr-design__grid--logo {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .qr-design__grid--patterns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: none;
  }
}

.qr-design__pick {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  min-height: 3.25rem;
  padding: 0.25rem;
  border: 1.5px solid #e5e7eb;
  border-radius: 0.5rem;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.qr-design__pick:hover {
  border-color: #93c5fd;
}

.qr-design__pick.is-selected {
  border-color: #2563eb;
  background: #eff6ff;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.15);
}

.qr-design__pick .qr-design-icon {
  display: block;
  width: 100%;
  height: auto;
  max-height: 3.1rem;
  pointer-events: none;
}

.qr-design__pick .qr-design-icon--pattern {
  max-height: 2rem;
}

.qr-design__grid--logo .qr-design__pick .qr-design-icon,
.qr-design__grid--logo .qr-design__pick .qr-design__brand {
  width: 1.65rem;
  height: 1.65rem;
  max-width: 1.65rem;
  max-height: 1.65rem;
}

.qr-design__brand {
  display: block;
  width: 1.65rem;
  height: 1.65rem;
  object-fit: contain;
  pointer-events: none;
}

/* Upload */
.qr-design__upload {
  display: block;
  cursor: pointer;
}

.qr-design__upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0;
  border: none;
  background: none;
  color: #2563eb;
  font-size: 0.9rem;
  font-weight: 700;
  transition: color 0.15s ease;
}

.qr-design__upload:hover .qr-design__upload-btn {
  color: #1d4ed8;
}

.qr-design__hint {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: #94a3b8;
  line-height: 1.4;
}

/* Color fields — fieldset label on border */
.qr-design__colors {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 560px) {
  .qr-design__colors {
    grid-template-columns: 1fr;
  }
}

.qr-design__color-box {
  position: relative;
  padding: 1rem 0.75rem 0.65rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  background: #fff;
}

.qr-design__color-box-label {
  position: absolute;
  top: -0.55rem;
  left: 0.65rem;
  padding: 0 0.35rem;
  background: #fff;
  font-size: 0.78rem;
  font-weight: 500;
  color: #6b7280;
  line-height: 1;
}

.qr-design__color-input {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
}

.qr-design__color-input input[type="text"] {
  width: 100%;
  border: none;
  padding: 0.15rem 0;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: #111827;
  background: transparent;
  outline: none;
}

.qr-design__color-input input[type="color"] {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0.1rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.4rem;
  background: #fff;
  cursor: pointer;
}

.qr-design__advanced {
  font-size: 0.85rem;
  color: #64748b;
}

.qr-design__advanced summary {
  cursor: pointer;
  font-weight: 600;
  color: #475569;
}

.qr-design__advanced-grid {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.65rem;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
}

/* Custom select — Error correction & advanced fields */
.tool-field--select .qr-design__select-wrap {
  position: relative;
  display: block;
}

.qr-design__select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding: 0.58rem 2.1rem 0.58rem 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.55rem;
  background: #fff;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: #1e293b;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.qr-design__select:hover {
  border-color: #cbd5e1;
}

.qr-design__select:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.qr-design__select-chevron {
  position: absolute;
  right: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: #64748b;
}

.qr-design__select-wrap:focus-within .qr-design__select-chevron {
  color: #2563eb;
}