/* Styles for QR Generator product */
.qr-generator-grid {
  display: grid;
  grid-template-columns: 1fr 420px; /* give preview a bit more room */
  gap: calc(var(--spacing-md) * 0.9);
  align-items: start;
  width: 100%;
  box-sizing: border-box;
}

.qr-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  background: transparent;
  padding: 0; /* keep preview unchanged; outer padding handled by media queries */
  box-sizing: border-box;
  width: 100%;
}

.qr-form label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.qr-form textarea {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 240, 255, 0.06);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  resize: vertical;
  min-height: 100px;
  box-sizing: border-box;
  max-width: 100%;
}

/* Custom scrollbar for textarea (WebKit) and Firefox */
.qr-form textarea {
  scrollbar-width: thin; /* Firefox */
  scrollbar-color: var(--color-neon-cyan) var(--color-bg-card); /* Firefox */
}
.qr-form textarea::-webkit-scrollbar { width: 10px; height: 10px; }
.qr-form textarea::-webkit-scrollbar-track { background: transparent; border-radius: 10px; }
.qr-form textarea::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-neon-cyan), rgba(0,240,255,0.6));
  border-radius: 8px;
  border: 2px solid rgba(0,0,0,0.12);
}
.qr-form textarea::-webkit-scrollbar-thumb:hover { filter: brightness(1.05); }

/* Also style the custom select dropdown scrollbars */
.custom-select__list { scrollbar-width: thin; scrollbar-color: rgba(0,240,255,0.9) var(--color-bg-card); }
.custom-select__list::-webkit-scrollbar { width: 10px; }
.custom-select__list::-webkit-scrollbar-track { background: transparent; }
.custom-select__list::-webkit-scrollbar-thumb { background: rgba(0,240,255,0.12); border-radius: 8px; }

.qr-form input[type="file"] {
  margin-bottom: 10px;
  color: var(--color-text-secondary);
}

/* Styled file input button (modern and WebKit) */
.qr-form input[type="file"] {
  font-weight: 600;
}
.qr-form input[type="file"]::file-selector-button {
  background: linear-gradient(135deg, rgba(0,240,255,0.08), rgba(57,255,20,0.04));
  color: var(--color-neon-cyan);
  border: 1px solid rgba(0,240,255,0.12);
  padding: 8px 12px;
  margin-right: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.qr-form input[type="file"]::file-selector-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-neon-cyan);
}
.qr-form input[type="file"]::-webkit-file-upload-button {
  appearance: none;
  -webkit-appearance: none;
}

.qr-form .row {
  display: flex;
  gap: 1rem;
  margin-top: 8px;
  align-items: center;
}

.qr-form .row > div {
  flex: 1;
  min-width: 0; /* prevent overflow on small screens */
}

/* Prevent the color swatch from overlapping the size value:
   make the first row (Size / Color / Background) allocate more space
   to the size control and keep color/background compact. */
.qr-form .row:first-of-type > div:first-child {
  flex: 1.6;
  min-width: 140px;
}
.qr-form .row:first-of-type > div:nth-child(2),
.qr-form .row:first-of-type > div:nth-child(2),
.qr-form .row:first-of-type > div:nth-child(3) {
  flex: 0 0 160px;
  min-width: 140px;
  max-width: 200px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-left: 0.5rem;
}
  /* Color and Background row side by side for mobile */
  .color-bg-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  .color-bg-row > div {
    flex: 1 1 120px;
    min-width: 0;
  }

  @media (max-width: 600px) {
    .color-bg-row {
      flex-direction: row;
      gap: 8px;
    }
    .color-bg-row > div {
      flex: 1 1 48%;
      min-width: 0;
    }
  }
.qr-form .row:first-of-type { gap: 1.25rem; }
.qr-form .row:first-of-type .color-control { justify-content: flex-end; }
.size-control #sizeValue { min-width: 64px; text-align: right; margin-right: 0.75rem; white-space: nowrap; }

/* Prevent overlap by moving swatch slightly right and keeping size value on top */
.qr-form .row:first-of-type .color-swatch { margin-left: 0.25rem; }
.qr-form .row:first-of-type .size-control #sizeValue { display: inline-block; z-index: 3; }
.qr-form .row:first-of-type .color-control { z-index: 2; }
.qr-form .row:first-of-type > div:first-child .size-control input[type="range"] { max-width: calc(100% - 120px); }

.qr-form input[type="number"],
.qr-form input[type="color"] {
  width: 100%;
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 240, 255, 0.06);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
}

.actions {
  margin-top: 12px;
  display: flex;
  gap: 0.75rem;
}

/* Local button styles (fallback when global button CSS isn't present) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 10px 16px;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn:active { transform: translateY(0); }
.btn[disabled], .btn.disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

.btn-primary {
  background-color: var(--color-neon-cyan);
  color: #07101a;
  box-shadow: 0 6px 18px rgba(0,240,255,0.12);
}
.btn-primary:hover:not([disabled]) {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,240,255,0.18);
}

/* Use existing global button styles: prefer .btn-primary */
.actions .btn {
  min-width: 160px;
}

.actions .btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.preview {
  text-align: center;
  align-self: start;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.preview-actions {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap; /* wrap buttons on narrow widths */
  align-self: center; /* center actions relative to the preview/canvas */
  width: 100%;
  max-width: 520px; /* match canvas max width so actions align under it */
  box-sizing: border-box;
}

.canvas-wrap {
  background: var(--color-bg-card);
  display: inline-block;
  padding: 14px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
  border: 1px solid rgba(0, 240, 255, 0.04);
  max-width: 100%;
}

.canvas-wrap { display: inline-flex; align-items: center; justify-content: center; width:100%; max-width:520px; }

/* make canvas responsive within canvas-wrap (JS still controls actual drawing size) */
.canvas-wrap canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-md) / 1.2);
  max-width: 100%;
}

.hint {
  margin-top: 8px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Breadcrumbs */
.breadcrumbs {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin: 0 0 0.75rem 0;
  padding: 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}
.breadcrumbs li+li:before { content: '›'; margin: 0 0.5rem; color: rgba(255,255,255,0.06); }
.breadcrumbs a { color: var(--color-neon-cyan); text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }

/* End-of-page SEO block */
.page--cta { margin-top: var(--spacing-lg); padding-top: var(--spacing-sm); border-top: 1px solid rgba(255,255,255,0.02); }
.page--cta .page__title--small { font-size: var(--h3-size); color: var(--color-neon-green); margin-bottom: 0.25rem; }
.use-cases { display: flex; flex-wrap: wrap; gap: 0.75rem; list-style: none; padding: 0; margin: 0.5rem 0 1rem 0; }
.use-cases li { background: rgba(255,255,255,0.02); padding: 6px 10px; border-radius: 8px; color: var(--color-text-secondary); border: 1px solid rgba(0,240,255,0.04); }
.faq { margin-top: 1rem; }
.faq h3 { margin-bottom: 0.5rem; color: var(--color-neon-magenta); }
.faq details { background: rgba(255,255,255,0.01); padding: 10px 12px; border-radius: 8px; margin-bottom: 0.5rem; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--color-text-primary); }
.faq p { margin-top: 0.5rem; color: var(--color-text-secondary); }
.cta { margin-top: 1rem; }
.cta .btn { text-decoration: none; }

@media (max-width:600px) {
  .use-cases { flex-direction: column; }
}

@media (max-width:900px){
  .qr-generator-grid{ grid-template-columns: 1fr; }
  .qr-form .row { flex-direction: column; }
}

/* Slightly reduce preview column on medium screens */
@media (max-width:1100px) {
  /* Use single-column layout on medium screens to avoid overflow */
  .qr-generator-grid { grid-template-columns: 1fr; }
}

/* Larger screens: give preview more presence and spacing */
@media (min-width:1200px){
  .qr-generator-grid {
    grid-template-columns: 1fr 460px;
    gap: calc(var(--spacing-lg) / 2);
  }

  .qr-form {
    padding: var(--spacing-md);
    background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.00));
    border-radius: var(--radius-md);
  }

  .preview {
    padding-left: var(--spacing-sm);
  }
}

@media (min-width:1600px){
  .qr-generator-grid { grid-template-columns: 1fr 520px; gap: var(--spacing-lg); }
}

/* Mobile specific tweaks */
@media (max-width:600px) {
  .container { padding-left: 1rem; padding-right: 1rem; }

  .qr-generator-grid {
    gap: var(--spacing-sm);
  }

  .qr-form {
    gap: 0.75rem;
  }

  .qr-form textarea {
    min-height: 120px;
  }

  .qr-form .row {
    gap: 0.6rem;
  }

  .size-control {
    flex-direction: column;
    align-items: stretch;
  }

  .size-control #sizeValue {
    text-align: left;
    min-width: 0;
  }

  .color-control {
    gap: 0.5rem;
    flex-direction: row;
    align-items: center;
  }

  .color-swatch {
    width: 40px;
    height: 40px;
  }

  .canvas-wrap {
    padding: 10px;
  }

  .canvas-wrap canvas {
    width: 320px;
    max-width: 100%;
    height: auto;
  }

  .preview-actions {
    margin-top: 10px;
    align-self: center;
    width: 100%;
    max-width: 520px;
  }

  .preview-actions .btn {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .actions .btn {
    min-width: 0;
  }

  .qr-form input[type="file"]::file-selector-button {
    padding: 10px 14px;
  }
}

/* Ensure buttons and preview behave responsively on medium-small screens */
@media (max-width:900px) {
  .preview-actions .btn { width: 100%; }
  .canvas-wrap { padding: 10px; }
}

/* Improve alignment and full-width controls on small & medium screens */
@media (max-width:900px) {
  .qr-generator-grid { grid-template-columns: 1fr; }
  .qr-form, .preview { width: 100%; max-width: 100%; }
  .qr-form { padding: 0; }
  .qr-form .row { flex-direction: column; align-items: stretch; }
  .qr-form .row > div { width: 100%; }
  .qr-form textarea,
  .qr-form input[type="color"],
  .qr-form input[type="file"],
  .qr-form input[type="range"],
  .qr-form select,
  .size-control,
  .color-control { width: 100%; box-sizing: border-box; }
  .size-control { flex-direction: row; align-items: center; }
  .size-control #sizeValue { text-align: center; }
  .custom-select__button { width: 100%; }
  .preview { margin-top: 1rem; }
}

/* Size slider styling */
.size-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.size-control input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 10px;
  background: var(--color-bg-card);
  border-radius: 999px;
  outline: none;
  flex: 1;
}
.size-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-neon-cyan);
  box-shadow: 0 4px 14px rgba(0,240,255,0.18);
  border: 2px solid rgba(255,255,255,0.06);
}
.size-control input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-neon-cyan);
  box-shadow: 0 4px 14px rgba(0,240,255,0.18);
  border: 2px solid rgba(255,255,255,0.06);
}
/* Ensure track color for Firefox */
.size-control input[type="range"]::-moz-range-track {
  background: var(--color-bg-card);
  height: 10px;
  border-radius: 999px;
}
.size-control #sizeValue {
  min-width: 72px;
  text-align: right;
  color: var(--color-text-secondary);
  font-weight: 600;
}

/* Color swatch control */
.color-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}
.color-control input[type="color"] {
  /* keep the native input but visually hide it; still accessible */
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
}
.color-swatch {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 2px solid rgba(0,0,0,0.16);
  background: var(--color-neon-cyan);
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}
.color-swatch:focus {
  outline: none;
  box-shadow: 0 0 0 6px rgba(0,240,255,0.06);
}

/* SVG preview + controls */
.preview svg { max-width:100%; height:auto; display:block; background: #fff; border-radius:6px; }
.preview-actions { margin-top:10px; display:flex; gap:8px; align-items:center; justify-content:center; align-self: center; width:100%; max-width:520px; box-sizing:border-box; }
select#moduleShape, select#frameStyle { width:100%; padding:8px; border-radius:6px; border:1px solid rgba(0,0,0,0.06); background:var(--color-bg); color:var(--color-text); }
.canvas-wrap svg { width: 320px; height: 320px; }
input[type="range"]#quietZone,
input[type="range"]#logoSize {
  -webkit-appearance: none;
  appearance: none;
  height: 10px;
  background: var(--color-bg-card);
  border-radius: 999px;
  outline: none;
  width: 100%;
  accent-color: var(--color-neon-cyan);
}

input[type="range"]#quietZone::-webkit-slider-thumb,
input[type="range"]#logoSize::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-neon-cyan);
  box-shadow: 0 4px 14px rgba(0,240,255,0.18);
  border: 2px solid rgba(255,255,255,0.06);
}

input[type="range"]#quietZone::-moz-range-thumb,
input[type="range"]#logoSize::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-neon-cyan);
  box-shadow: 0 4px 14px rgba(0,240,255,0.18);
  border: 2px solid rgba(255,255,255,0.06);
}

/* Ensure track color for Firefox */
input[type="range"]#quietZone::-moz-range-track,
input[type="range"]#logoSize::-moz-range-track {
  background: var(--color-bg-card);
  height: 10px;
  border-radius: 999px;
}

/* Fallbacks for older engines: tint the thumb */
input[type="range"]#quietZone::-webkit-slider-thumb,
input[type="range"]#logoSize::-webkit-slider-thumb {
  background: var(--color-neon-cyan);
  border: 2px solid rgba(255,255,255,0.06);
}

input[type="range"]#quietZone::-moz-range-thumb,
input[type="range"]#logoSize::-moz-range-thumb {
  background: var(--color-neon-cyan);
  border: 2px solid rgba(255,255,255,0.06);
}
input#bgColor { width: 56px; height: 36px; padding: 4px; border-radius: 6px; border: 1px solid rgba(0,0,0,0.06); }
select#eyeStyle { width:100%; padding:8px; border-radius:6px; border:1px solid rgba(0,0,0,0.06); background:var(--color-bg); color:var(--color-text); }
.qr-form select {
  width: 100%;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.06);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

/* Try to style native options where supported (Firefox + some engines) */
.qr-form select option {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  padding: 6px 10px;
}

/* Custom select fallback (used by JS replacement) */
.custom-select { position: relative; display: inline-block; width: 100%; }
.custom-select__button {
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.06);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.custom-select__button.open { box-shadow: 0 8px 18px rgba(0,0,0,0.12); }
.custom-select__list {
  position: absolute;
  left: 0; right: 0; top: calc(100% + 8px);
  background: var(--color-bg-card);
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.06);
  max-height: 240px;
  overflow: auto;
  z-index: 60;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
  display: none;
  list-style: none;
  margin: 0; padding: 6px 6px;
}
.custom-select__list.open { display: block; }
.custom-select__option {
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--color-text-primary);
  cursor: pointer;
}
.custom-select__option:hover,
.custom-select__option.selected { background: rgba(255,255,255,0.02); }

.logo-note small { display:block; margin-top:6px; color: var(--color-neon-magenta); font-size:0.85rem; }