:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --bg-strong: #e9eef6;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-solid: #ffffff;
  --text: #101828;
  --muted: #667085;
  --subtle: #98a2b3;
  --line: #d9e1ec;
  --line-strong: #b9c5d6;
  --accent: #2563eb;
  --accent-2: #7c3aed;
  --success: #059669;
  --danger: #dc2626;
  --warning: #d97706;
  --shadow: 0 24px 70px rgba(16, 24, 40, 0.12);
  --shadow-soft: 0 14px 40px rgba(16, 24, 40, 0.08);
  --radius: 8px;
  --control: #f8fafc;
  --control-hover: #eef4ff;
  --focus: 0 0 0 3px rgba(37, 99, 235, 0.24);
  --active-fg: #101828;
  --active-bg: #ffffff;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-strong: #141b2f;
  --panel: rgba(17, 24, 39, 0.9);
  --panel-solid: #111827;
  --text: #f8fafc;
  --muted: #b7c3d7;
  --subtle: #7c8aa4;
  --line: #253149;
  --line-strong: #37445f;
  --accent: #60a5fa;
  --accent-2: #a78bfa;
  --success: #34d399;
  --danger: #fb7185;
  --warning: #fbbf24;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.24);
  --control: #151e31;
  --control-hover: #1d2b49;
  --focus: 0 0 0 3px rgba(96, 165, 250, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 0;
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--bg) 92%, #ffffff 8%) 0%, var(--bg) 48%, var(--bg-strong) 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  transition: background-color 220ms ease, color 220ms ease;
}

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

button:disabled,
input:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

button,
a,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--panel-solid);
  color: var(--text);
  padding: 10px 14px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  width: min(1880px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
}

.brand-lockup,
.topbar-actions,
.preview-meta,
.logo-preview,
.logo-actions,
.range-label-row,
.control-label-row,
.section-heading {
  display: flex;
  align-items: center;
}

.brand-lockup {
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  width: 42px;
  height: 42px;
  padding: 7px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.28);
}

.brand-mark span {
  border-radius: 3px;
  background: #ffffff;
}

.brand-mark span:nth-child(2) {
  opacity: 0.68;
}

.brand-mark span:nth-child(3) {
  opacity: 0.88;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.18rem, 2vw, 1.45rem);
  line-height: 1.1;
}

h2 {
  font-size: 1rem;
  line-height: 1.25;
}

.topbar-actions {
  gap: 10px;
  flex-shrink: 0;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--control);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  white-space: nowrap;
}

.status-pill svg,
button svg,
.type-option svg,
.toast svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(420px, 1fr) minmax(290px, 360px);
  align-items: stretch;
  gap: 18px;
  min-width: 0;
  min-height: calc(100dvh - 112px);
}

.control-panel,
.preview-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.control-panel {
  min-height: calc(100dvh - 112px);
}

.preview-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
  min-height: auto;
}

.control-panel {
  display: flex;
  flex-direction: column;
  min-height: calc(100dvh - 112px);
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

.control-panel::-webkit-scrollbar {
  width: 10px;
}

.control-panel::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: var(--line-strong);
  background-clip: content-box;
}

.panel-section {
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.panel-section:last-child {
  border-bottom: 0;
}

.section-heading {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.type-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.type-option,
.preview-option,
.template-card,
.palette-option,
.gradient-option,
.swatch,
.icon-button,
.primary-action,
.secondary-action,
.copy-action,
.drop-zone,
.segmented button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--control);
  color: var(--text);
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.type-option {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px;
  font-size: 0.88rem;
  font-weight: 800;
}

.type-option:hover,
.preview-option:hover,
.template-card:hover,
.palette-option:hover,
.gradient-option:hover,
.swatch:hover,
.icon-button:hover,
.secondary-action:hover,
.copy-action:hover,
.drop-zone:hover,
.segmented button:hover {
  border-color: color-mix(in srgb, var(--accent) 56%, var(--line));
  background: var(--control-hover);
  transform: translateY(-1px);
}

.type-option.is-active,
.preview-option.is-active,
.template-card.is-active,
.segmented button.is-active {
  border-color: color-mix(in srgb, var(--accent) 74%, var(--line));
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-solid));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 42%, transparent);
}

.field-stack {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.field-group {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.field-label,
.control-label-row label,
.range-label-row label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.text-field,
.text-area {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel-solid) 86%, var(--control));
  color: var(--text);
  padding: 11px 12px;
  font-size: 0.92rem;
  line-height: 1.4;
  transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.text-area {
  resize: vertical;
  min-height: 112px;
}

.text-field:hover,
.text-area:hover {
  border-color: var(--line-strong);
}

.validation-message {
  margin: 12px 0 0;
  border: 1px solid color-mix(in srgb, var(--danger) 46%, var(--line));
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--danger) 9%, transparent);
  color: var(--danger);
  padding: 10px 12px;
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.35;
}

.control-block {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.control-block:first-of-type {
  margin-top: 0;
}

.control-label-row,
.range-label-row {
  justify-content: space-between;
  gap: 10px;
}

.control-label-row span,
.range-label-row output,
.drop-zone-meta,
.logo-preview span,
.toggle-row small {
  color: var(--subtle);
  font-size: 0.76rem;
  font-weight: 700;
}

.preview-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.preview-card-grid.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.preview-option {
  display: grid;
  justify-items: center;
  gap: 8px;
  min-width: 0;
  padding: 10px 8px;
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
}

.preview-option > span:last-child {
  max-width: 100%;
  overflow-wrap: anywhere;
}

.mini-qr {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  width: 58px;
  aspect-ratio: 1;
  padding: 5px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--active-bg) 84%, var(--panel-solid));
  border: 1px solid var(--line);
}

.mini-qr span {
  border-radius: 1px;
}

.mini-qr span.on {
  background: var(--active-fg);
}

.mini-qr[data-dot-style="rounded"] span.on,
.mini-qr[data-dot-style="extra-rounded"] span.on {
  border-radius: 3px;
}

.mini-qr[data-dot-style="dots"] span.on,
.mini-qr[data-dot-style="dot"] span.on {
  border-radius: 999px;
  transform: scale(0.78);
}

.mini-qr[data-dot-style="classy"] span.on {
  border-radius: 5px 1px 5px 1px;
}

.color-grid,
.gradient-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.color-input-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--control);
  padding: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.color-input-card input[type="color"] {
  width: 42px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.swatch {
  width: 100%;
  aspect-ratio: 1;
  padding: 0;
  overflow: hidden;
  background:
    linear-gradient(45deg, rgba(0, 0, 0, 0.12) 25%, transparent 25% 75%, rgba(0, 0, 0, 0.12) 75%),
    var(--swatch);
  background-size: 12px 12px, auto;
}

.palette-grid,
.gradient-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.palette-option,
.gradient-option {
  display: grid;
  gap: 7px;
  padding: 9px;
  text-align: left;
  font-size: 0.76rem;
  font-weight: 800;
}

.palette-preview,
.gradient-preview {
  display: block;
  height: 34px;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.palette-preview {
  background:
    linear-gradient(90deg, var(--palette-fg) 0 48%, transparent 48% 52%, var(--palette-bg) 52% 100%);
}

.gradient-preview {
  background: linear-gradient(135deg, var(--gradient-a), var(--gradient-b));
}

.segmented {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 6px;
}

.segmented button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 0;
  min-height: 38px;
  padding: 8px 10px;
  font-size: 0.78rem;
  font-weight: 900;
  white-space: normal;
  line-height: 1.15;
}

.direction-group button {
  min-height: 36px;
}

.correction-group button[data-tooltip]::after {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  z-index: 4;
  width: max-content;
  max-width: 190px;
  transform: translate(-50%, 4px);
  border-radius: var(--radius);
  background: var(--text);
  color: var(--panel-solid);
  content: attr(data-tooltip);
  opacity: 0;
  pointer-events: none;
  padding: 8px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.25;
  transition: opacity 140ms ease, transform 140ms ease;
}

.correction-group button[data-tooltip]:hover::after,
.correction-group button[data-tooltip]:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.range-card {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.range-card:first-of-type {
  margin-top: 0;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.size-indicator {
  position: relative;
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.size-indicator::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: max(8%, var(--size-progress, 34%));
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  content: "";
}

.drop-zone {
  display: grid;
  justify-items: center;
  gap: 8px;
  width: 100%;
  min-height: 132px;
  padding: 18px;
  border-style: dashed;
  text-align: center;
}

.drop-zone.is-dragging {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-solid));
}

.drop-zone-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-solid));
  color: var(--accent);
}

.drop-zone-title {
  font-size: 0.95rem;
  font-weight: 900;
}

.logo-preview {
  gap: 10px;
  min-width: 0;
  margin-top: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--control);
}

.logo-preview img {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  object-fit: contain;
}

.logo-preview div:nth-child(2) {
  display: grid;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.logo-preview strong,
.logo-preview span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.logo-actions {
  gap: 6px;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
}

.icon-button.small {
  width: 34px;
  height: 34px;
}

.icon-button.danger {
  color: var(--danger);
}

.preview-panel {
  position: static;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: auto;
  overflow: visible;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.preview-meta {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.preview-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--control);
  color: var(--muted);
  padding: 7px 10px;
  font-size: 0.76rem;
  font-weight: 800;
}

/* Footer styles */
.site-footer {
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 88%, transparent), var(--panel));
  box-shadow: var(--shadow-soft);
}

.footer-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-nav {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  background: transparent;
  font-weight: 800;
  font-size: 0.92rem;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.footer-nav a:hover {
  background: color-mix(in srgb, var(--accent) 10%, var(--panel-solid));
  color: var(--text);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(2,6,23,0.06);
}

.footer-meta {
  color: var(--subtle);
  font-size: 0.92rem;
  margin: 0;
}

.footer-meta a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 900;
}

/* Legal page hero and layout enhancements */
.legal-hero {
  margin-bottom: 18px;
}
.legal-hero-inner {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  padding: 18px;
  border-radius: 12px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 10%, var(--panel)), color-mix(in srgb, var(--accent-2) 6%, var(--panel)));
  color: var(--text);
}
.legal-hero .lead {
  margin-top: 8px;
  color: var(--muted);
  font-size: 1rem;
  max-width: 60ch;
}
.hero-illustration {
  opacity: 0.98;
}

.legal-card {
  padding: 20px;
  border-radius: 12px;
}
.legal-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 18px;
  align-items: start;
}
.legal-grid main h2 {
  margin-top: 0;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 18px 0;
  display: grid;
  gap: 10px;
}
.feature-list li {
  padding: 12px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel-solid) 92%, var(--panel));
  border: 1px solid var(--line);
}
.contact-card {
  padding: 14px;
  border-radius: 10px;
  background: var(--control);
  border: 1px solid var(--line);
}
.contact-card h4 {
  margin: 0 0 8px 0;
}
.quick-tips {
  margin-top: 12px;
  padding: 12px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
}

@media (max-width: 920px) {
  .legal-hero-inner { flex-direction: column; align-items: flex-start; }
  .legal-grid { grid-template-columns: 1fr; }
}

/* Legal page header styles */
.legal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 12px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 98%, transparent);
  border: 1px solid color-mix(in srgb, var(--line) 64%, transparent);
}

.legal-brand {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.legal-brand .brand-mark {
  width: 56px;
  height: 56px;
  padding: 10px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow-soft);
}

.legal-brand .eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.legal-brand strong {
  display: block;
  font-size: 1.05rem;
  line-height: 1.1;
}

.legal-nav {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.legal-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 800;
  background: transparent;
  transition: background-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.legal-nav a[aria-current="page"] {
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-solid));
  color: var(--text);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 36%, transparent);
}

.legal-nav a:hover { transform: translateY(-2px); background: color-mix(in srgb, var(--accent) 8%, var(--panel-solid)); color: var(--text); }

@media (max-width: 720px) {
  .legal-header { flex-direction: column; align-items: flex-start; }
  .legal-nav { width: 100%; justify-content: flex-start; }
}

@media (max-width: 720px) {
  .footer-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .footer-meta {
    text-align: center;
  }
}

/* Preview export toolbar */
.preview-export {
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  display: grid;
  gap: 12px;
}

.preview-export .text-field.small {
  max-width: 360px;
  padding: 8px 10px;
  font-size: 0.9rem;
}

.preview-export .export-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.preview-export .export-toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.preview-export .export-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.preview-export .primary-action {
  padding: 10px 16px;
}

@media (max-width: 820px) {
  .preview-export .export-toggle {
    margin-left: 0;
  }
  .preview-export .text-field.small {
    max-width: 100%;
  }
}

.preview-stage {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 12px;
  min-width: 0;
  min-height: auto;
  padding: clamp(10px, 2.5vw, 20px);
}

.qr-shadow-wrap {
  display: grid;
  place-items: center;
  width: 100%;
  min-width: 0;
}

.qr-frame {
  display: grid;
  place-items: center;
  width: min(var(--preview-size), 100%, 68dvh);
  max-width: min(640px, 100%);
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--active-bg);
  box-shadow: var(--shadow);
  transition: background-color 180ms ease, width 180ms ease, box-shadow 180ms ease;
}

/* Keep QR visible on desktop while user scrolls */
@media (min-width: 900px) {
  .qr-frame {
    position: sticky;
    top: 12px; /* smaller offset so QR sits nearer header */
    margin: 0 auto;
    left: auto;
    transform: none;
    z-index: 60;
    width: min(var(--preview-size), 520px);
    max-width: 64dvh;
  }
}

.qr-frame.is-transparent {
  background-color: transparent;
  background-image:
    linear-gradient(45deg, color-mix(in srgb, var(--line) 70%, transparent) 25%, transparent 25% 75%, color-mix(in srgb, var(--line) 70%, transparent) 75%),
    linear-gradient(45deg, color-mix(in srgb, var(--line) 70%, transparent) 25%, transparent 25% 75%, color-mix(in srgb, var(--line) 70%, transparent) 75%);
  background-position: 0 0, 10px 10px;
  background-size: 20px 20px;
}

#qrCode {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  min-width: 0;
}

#qrCode canvas,
#qrCode svg {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

/* Desktop: keep QR canvas centered and not stretched full-size */
@media (min-width: 900px) {
  #qrCode canvas,
  #qrCode svg {
    width: auto;
    height: auto;
    max-width: 86%;
    max-height: 86%;
  }
}

.preview-message {
  width: min(520px, 100%);
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.template-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.template-card {
  display: grid;
  gap: 9px;
  min-width: 0;
  padding: 10px;
  text-align: left;
}

.template-thumb {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-auto-rows: 1fr;
  gap: 2px;
  aspect-ratio: 1;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--template-bg);
  overflow: hidden;
}

.template-thumb span {
  border-radius: 1px;
  background: var(--template-fg);
}

.template-thumb span:nth-child(4n) {
  background: var(--template-accent);
}

.template-thumb span:nth-child(7n) {
  opacity: 0.24;
}

.template-thumb span.major {
  background: linear-gradient(135deg, var(--template-gradient-a), var(--template-gradient-b));
  opacity: 1;
}

.template-thumb[data-dot-style="rounded"] span,
.template-thumb[data-dot-style="extra-rounded"] span {
  border-radius: 3px;
}

.template-thumb[data-dot-style="dots"] span,
.template-thumb[data-dot-style="dot"] span {
  border-radius: 999px;
  transform: scale(0.78);
}

.template-thumb[data-dot-style="classy"] span {
  border-radius: 5px 1px 5px 1px;
}

.template-name {
  overflow: hidden;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.export-section {
  display: grid;
  gap: 14px;
}

.export-section .control-block {
  margin-top: 0;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--control);
  padding: 11px 12px;
  cursor: pointer;
}

.toggle-row span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.toggle-row strong {
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.25;
}

.toggle-row input {
  width: 42px;
  height: 24px;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.compact-toggle {
  margin-top: 0;
}

.export-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.primary-action,
.secondary-action,
.copy-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 12px;
  font-size: 0.9rem;
  font-weight: 900;
}

.primary-action {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  box-shadow: 0 16px 32px color-mix(in srgb, var(--accent) 28%, transparent);
}

.primary-action:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 38px color-mix(in srgb, var(--accent) 34%, transparent);
}

.copy-action {
  width: 100%;
}

.toast-region {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 1200;
  display: grid;
  gap: 10px;
  width: min(360px, calc(100vw - 32px));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--panel-solid);
  color: var(--text);
  padding: 12px;
  box-shadow: var(--shadow-soft);
  pointer-events: auto;
  animation: toast-in 220ms ease both;
}

.toast span {
  min-width: 0;
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.35;
}

.toast-success {
  border-left-color: var(--success);
}

.toast-error {
  border-left-color: var(--danger);
}

.toast-info {
  border-left-color: var(--accent);
}

.toast.is-leaving {
  animation: toast-out 180ms ease both;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-8px);
  }
}

@media (max-width: 1260px) {
  .workspace-grid {
    grid-template-columns: minmax(280px, 360px) minmax(420px, 1fr);
  }

  .right-panel {
    grid-column: 1 / -1;
    max-height: none;
  }

  .template-grid {
    grid-template-columns: repeat(5, minmax(120px, 1fr));
  }
}

@media (max-width: 940px) {
  .app-shell {
    padding: 14px;
  }

  .topbar {
    align-items: flex-start;
  }

  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .control-panel,
  .preview-panel {
    max-height: none;
  }

  .preview-panel {
    position: static;
    min-height: auto;
  }

  .preview-stage {
    min-height: 420px;
  }

  .template-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }

  .panel-section,
  .preview-head {
    padding: 14px;
  }

  .type-grid,
  .preview-card-grid,
  .preview-card-grid.compact,
  .color-grid,
  .gradient-controls,
  .palette-grid,
  .gradient-card-grid,
  .template-grid {
    grid-template-columns: 1fr;
  }

  .swatch-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .segmented {
    grid-auto-flow: row;
    grid-auto-rows: minmax(38px, auto);
  }

  .correction-group,
  .direction-group {
    grid-auto-flow: column;
  }

  .preview-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .preview-meta {
    justify-content: flex-start;
  }

  .preview-stage {
    min-height: 340px;
    padding: 14px;
  }

  .qr-frame {
    width: min(var(--preview-size), 100%, 82vw);
  }

  .toast-region {
    top: auto;
    right: 12px;
    bottom: 12px;
    left: 12px;
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}