:root {
  color-scheme: light dark;
  --paper: #f6f7f9;
  --panel: #fff;
  --ink: #19202d;
  --muted: #586474;
  --edge: #d9dee6;
  --accent: #394acb;
  --selected: #eef0ff;
  --error: #ae2c37;
  --success: #196149;
  --disabled: #e9ecf2;
  --disabled-ink: #657083;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #141822;
    --panel: #1c2230;
    --ink: #f1f3f8;
    --muted: #acb6c8;
    --edge: #3a4458;
    --accent: #a9b2ff;
    --selected: #2b335a;
    --error: #ffa1a8;
    --success: #92dcb9;
    --disabled: #30394a;
    --disabled-ink: #abb5c6;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  word-break: keep-all;
}
html:lang(ja) body, html:lang(zh) body { word-break: normal; }
.qr-tool { width: min(100% - 32px, 826px); margin: clamp(30px, 9vh, 100px) auto; }
.qr-heading { margin-bottom: clamp(20px, 4vw, 34px); }
.qr-heading h1 { margin: 0; font-size: clamp(29px, 5vw, 44px); line-height: 1.16; letter-spacing: -.055em; }
.qr-heading p { margin: 10px 0 0; color: var(--muted); }
.qr-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  border: 1px solid var(--edge);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 14px 38px rgba(10, 18, 38, .06);
}
.qr-settings, .qr-output { padding: clamp(18px, 4vw, 32px); min-width: 0; }
@media (min-width: 621px) {
  .qr-settings {
    /* Let the preview size the row while the settings scroll within it. */
    contain: size;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    scroll-padding-block: 24px;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    scrollbar-color: var(--muted) transparent;
  }
}
.qr-settings > label, .qr-styles legend { font-weight: 700; font-size: 15px; }
#qr-content {
  display: block;
  resize: vertical;
  width: 100%;
  margin-top: 8px;
  padding: 12px 13px;
  border: 1px solid var(--edge);
  border-radius: 10px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  line-height: 1.4;
}
#qr-content::placeholder { color: var(--muted); opacity: 1; }
#qr-content[aria-invalid="true"] { border-color: var(--error); }
:focus-visible, .qr-styles input[type="radio"]:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }
.qr-privacy, .qr-kind, .qr-error { margin: 8px 0 0; font-size: 13px; }
.qr-privacy { color: var(--muted); }
.qr-kind { color: var(--success); font-weight: 650; }
.qr-kind:empty { margin: 0; }
.qr-error { color: var(--error); }
.qr-error:empty { margin: 0; }
.qr-styles { min-width: 0; margin: 24px 0 0; padding: 0; border: 0; }
.qr-styles legend { margin: 0 0 9px; padding: 0; }
.qr-style-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.qr-styles label { position: relative; cursor: pointer; }
.qr-styles input[type="radio"] { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; }
[data-palette="ink"] { --qr-body: #10131a; --qr-eye: #10131a; }
[data-palette="ocean"] { --qr-body: #162940; --qr-eye: #2549a0; }
[data-palette="forest"] { --qr-body: #102d23; --qr-eye: #146647; }
[data-palette="berry"] { --qr-body: #352042; --qr-eye: #932d61; }
[data-qr-background="white"] { --qr-background: #ffffff; }
[data-qr-background="cream"] { --qr-background: #fff7e6; }
[data-qr-background="sky"] { --qr-background: #eef6ff; }
[data-qr-background="mint"] { --qr-background: #edf9f1; }
.qr-palette-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; }
.qr-styles label > span {
  height: 100%;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 3px;
  padding: 6px 3px;
  border: 1px solid var(--edge);
  border-radius: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}
.qr-style-list label > span { min-height: 61px; font-size: 11px; white-space: nowrap; }
.qr-eye-settings + .qr-eye-settings { margin-top: 10px; }
.qr-eye-settings > p { margin: 0 0 5px; color: var(--muted); font-size: 12px; font-weight: 650; }
.qr-eye-options { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.qr-eye-options label > span { min-height: 49px; padding-inline: 1px; font-size: 10px; white-space: nowrap; }
.qr-eye-options .qr-style-icon { width: 23px; height: 23px; }
.qr-palette-list label > span { min-height: 56px; }
.qr-palette-list label > span::before {
  content: "";
  width: 24px;
  height: 15px;
  border: 1px solid var(--edge);
  border-radius: 5px;
  background: var(--qr-background, linear-gradient(120deg, var(--qr-body) 50%, var(--qr-eye) 50%));
}
.qr-style-icon {
  width: 34px;
  height: 34px;
  background: currentColor;
  mask-size: 100% 100%;
  mask-repeat: no-repeat;
}
.qr-styles input:checked + span { color: var(--accent); background-color: var(--selected); border-color: var(--accent); }
.qr-custom-color {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
}
.qr-custom-color > input {
  height: 36px;
  min-width: 0;
  padding: 5px 7px;
  border: 1px solid var(--edge);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
}
.qr-custom-color input[type="color"] { width: 46px; cursor: pointer; }
.qr-custom-color .qr-hex {
  width: 96px;
  font: 16px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  text-transform: uppercase;
}
.qr-hex[aria-invalid="true"] { border-color: var(--error); }
.qr-backing {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 8px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}
.qr-backing p { grid-column: 1 / -1; margin: 0; font-size: 12px; }
.qr-custom-color:has(.qr-transparent) { flex-wrap: wrap; gap: 6px; }
.qr-custom-color:has(.qr-transparent) .qr-hex { width: 88px; }
.qr-transparent { display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.qr-transparent input { margin: 0; accent-color: var(--accent); }
.qr-backing select {
  min-height: 36px;
  padding: 4px 8px;
  border: 1px solid var(--edge);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
}
.qr-color-warning {
  margin: 7px 0 0;
  color: var(--error);
  font-size: 13px;
  font-weight: 650;
}
.qr-color-warning:empty { margin: 0; }
.qr-custom-color:has(+ .qr-color-warning:not(:empty)) input { border-color: var(--error); }
.qr-output { border-left: 1px solid var(--edge); }
.qr-output-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.qr-output-head h2 { margin: 0; font-size: 15px; }
.qr-output-head > span { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.qr-output-toggle { display: none; }
.qr-preview { display: grid; place-items: center; aspect-ratio: 1; border: 1px solid var(--edge); background: var(--qr-background); border-radius: 14px; overflow: hidden; }
.qr-preview-stage:has(.is-paper-background) {
  max-width: 342px;
  margin-inline: auto;
  padding: clamp(8px, 2vw, 13px);
  border: 1px solid var(--edge);
  border-radius: 20px;
  background:
    radial-gradient(circle at 5% 18%, #ff79b7a3 0 7px, transparent 10px),
    radial-gradient(circle at 15% 4%, #ffd27594 0 6px, transparent 10px),
    radial-gradient(circle at 91% 8%, #6acdfa99 0 9px, transparent 14px),
    radial-gradient(circle at 97% 69%, #b398f6a8 0 8px, transparent 12px),
    radial-gradient(circle at 76% 96%, #ffb85c9e 0 6px, transparent 11px),
    radial-gradient(circle at 4% 87%, #6de4c591 0 7px, transparent 12px),
    color-mix(in srgb, var(--panel) 84%, var(--accent));
}
.qr-preview-glass:has(.is-paper-background) {
  padding: 6px;
  border: 1px solid #ffffff61;
  border-radius: 16px;
  background: #ffffff26;
  box-shadow: 0 7px 20px #10131a1c;
  backdrop-filter: blur(6px) saturate(.9);
}
.qr-preview.is-paper-background { position: relative; isolation: isolate; }
.qr-preview.is-paper-background::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  /* Bright grain on light paper and dark grain on dark paper preserve the contrast floor. */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='144' height='144'%3E%3Cfilter id='grain' x='0' y='0' width='100%25' height='100%25' color-interpolation-filters='sRGB'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.65' numOctaves='3' seed='8' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 2 0 0 0 -.5'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)'/%3E%3C/svg%3E");
}
.qr-preview.is-paper-background.is-dark-background::before { filter: invert(1); opacity: .27; }
.qr-preview.is-paper-background > * { position: relative; }
.qr-preview canvas { width: 100%; height: auto; display: block; }
.qr-placeholder {
  --qr-placeholder-blur: 6px;
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 12px;
  color: #566174;
  text-align: center;
  font-size: 12px;
}
.qr-placeholder svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: color-mix(in srgb, var(--qr-example-ink, currentColor) 78%, currentColor);
  opacity: .36;
}
.qr-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(145deg, #ffffff54, #ffffff0d 55%, #ffffff30);
  box-shadow: inset 0 1px 0 #ffffff66;
  -webkit-backdrop-filter: blur(var(--qr-placeholder-blur));
  backdrop-filter: blur(var(--qr-placeholder-blur));
}
.qr-placeholder span { position: relative; z-index: 2; }
.qr-placeholder strong { font-size: 14px; }
.qr-preview.is-dark-background .qr-placeholder { color: #fff; }
.qr-preview.is-dark-background .qr-placeholder::after {
  background: linear-gradient(145deg, #ffffff24, #ffffff08 55%, #ffffff18);
  box-shadow: inset 0 1px 0 #ffffff33;
}
@supports not ((backdrop-filter: blur(6px)) or (-webkit-backdrop-filter: blur(6px))) {
  .qr-placeholder svg { filter: blur(var(--qr-placeholder-blur)); }
}
.qr-contrast { display: flex; align-items: center; gap: 6px 8px; flex-wrap: wrap; margin-top: 9px; }
#qr-contrast-status { flex: 1 1 152px; margin: 0; font-size: 12px; line-height: 1.4; }
#qr-contrast-status[data-state="pass"] { color: var(--success); }
#qr-contrast-status[data-state="fix"] { color: var(--error); }
#qr-contrast-fix {
  min-height: 36px;
  padding: 6px 9px;
  border: 1px solid var(--edge);
  border-radius: 8px;
  background: var(--panel);
  color: var(--accent);
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.qr-download-options {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
  gap: 8px;
  margin-top: 12px;
}
.qr-download-options label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}
.qr-download-options select {
  width: 100%;
  min-height: 44px;
  padding-inline-start: 8px;
  border: 1px solid var(--edge);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
}
.qr-download-options .standard-select { padding-inline-end: 46px; }
.qr-download-options .standard-select-indicator { border-color: var(--edge); background: var(--selected); color: var(--ink); }
.qr-download-options option { background: var(--panel); color: var(--ink); }
#qr-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 46px;
  margin-top: 12px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--panel);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}
#qr-download:not(:disabled):hover { filter: brightness(.92); }
#qr-download:disabled { background: var(--disabled); color: var(--disabled-ink); cursor: default; }
#qr-download svg { width: 18px; height: 18px; }
@media (min-width: 621px) and (max-height: 820px) {
  .qr-tool { margin-block: clamp(14px, 3dvh, 24px); }
  .qr-heading { margin-bottom: clamp(14px, 3dvh, 24px); }
  .qr-output { padding-block: clamp(14px, 3dvh, 24px); }
  .qr-preview-stage { max-inline-size: max(148px, calc(100dvh - 440px)); margin-inline: auto; }
}
@media (max-width: 620px) {
  .qr-tool { --qr-compact-width: 168px; margin-block: 28px; }
  .qr-tool:has(.qr-output[data-floating]) { padding-block-end: calc(var(--qr-compact-width) + 20px + env(safe-area-inset-bottom)); }
  .qr-workspace { grid-template-columns: minmax(0, 1fr); }
  .qr-output { border-left: 0; border-top: 1px solid var(--edge); }
  .qr-preview { max-width: 292px; margin-inline: auto; }
  .qr-output[data-floating] {
    --qr-float-right: max(12px, env(safe-area-inset-right));
    --qr-float-left: max(12px, env(safe-area-inset-left));
    --qr-float-bottom: max(12px, env(safe-area-inset-bottom));
    position: fixed;
    right: var(--qr-float-right);
    bottom: var(--qr-float-bottom);
    z-index: 2;
    display: flex;
    flex-direction: column;
    width: min(348px, calc(100% - var(--qr-float-left) - var(--qr-float-right)));
    max-height: calc(100dvh - var(--qr-float-bottom) - max(12px, env(safe-area-inset-top)));
    padding: 12px;
    border: 1px solid var(--edge);
    border-radius: 16px;
    background: var(--panel);
    box-shadow: 0 8px 30px #0004;
  }
  .qr-output[data-floating] .qr-output-head { align-items: center; flex: none; margin-bottom: 8px; }
  .qr-output[data-floating] .qr-output-head > span { margin-inline-start: auto; }
  .qr-output[data-floating] .qr-output-toggle {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--edge);
    border-radius: 8px;
    background: var(--selected);
    color: var(--ink);
    cursor: pointer;
  }
  .qr-output-toggle svg { width: 18px; height: 18px; }
  .qr-output-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
  .qr-output[data-floating][data-expanded] .qr-output-scroll {
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    scrollbar-width: thin;
    scroll-padding-block: 16px;
    padding: 3px;
  }
  .qr-output[data-floating][data-expanded] .qr-preview-stage {
    width: min(100%, clamp(160px, 100dvh - 390px, 212px));
    margin-inline: auto;
  }
  .qr-output[data-floating]:not([data-expanded]) { width: var(--qr-compact-width); padding: 11px; border-radius: 12px; }
  .qr-output[data-floating]:not([data-expanded]) .qr-output-head { margin-bottom: 5px; }
  .qr-output[data-floating]:not([data-expanded]) .qr-output-head h2 { font-size: 11px; }
  .qr-output[data-floating]:not([data-expanded]) .qr-output-head > span,
  .qr-output[data-floating]:not([data-expanded]) .qr-output-actions { display: none; }
  .qr-output[data-floating]:not([data-expanded]) .qr-output-toggle {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    width: 100%;
    height: 100%;
    padding: 6px 7px;
    border: 0;
    border-radius: inherit;
    background: transparent;
  }
  .qr-output[data-floating]:not([data-expanded]) .qr-output-toggle svg { width: 15px; height: 15px; }
  .qr-output[data-floating]:not([data-expanded]) .qr-preview { border-radius: 7px; }
  .qr-output[data-floating]:not([data-expanded]) .qr-preview-stage:has(.is-paper-background),
  .qr-output[data-floating]:not([data-expanded]) .qr-preview-glass:has(.is-paper-background) {
    padding: 2px;
    border-radius: 9px;
  }
  .qr-output[data-floating]:not([data-expanded]) .qr-placeholder { --qr-placeholder-blur: 3px; padding: 4px; }
  .qr-output[data-floating]:not([data-expanded]) .qr-placeholder span { font-size: 0; }
  .qr-output[data-floating]:not([data-expanded]) .qr-placeholder strong { font-size: 9px; }
}

.qr-overlay-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.qr-secondary, .qr-overlay-save {
  min-height: 40px;
  padding: 7px 12px;
  border: 1px solid var(--edge);
  border-radius: 9px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.qr-secondary:disabled, .qr-overlay-save:disabled {
  background: var(--disabled);
  color: var(--disabled-ink);
  cursor: default;
}
.qr-overlay-dialog {
  width: min(calc(100% - 24px), 500px);
  max-height: calc(100dvh - 24px);
  padding: clamp(14px, 3vw, 22px);
  border: 1px solid var(--edge);
  border-radius: 18px;
  background: var(--panel);
  color: var(--ink);
}
.qr-overlay-dialog::backdrop { background: #080c17a8; }
.qr-overlay-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.qr-overlay-head h2 { margin: 0; font-size: 19px; }
.qr-overlay-help, .qr-overlay-status { margin: 8px 0; color: var(--muted); font-size: 13px; }
.qr-overlay-status:empty { margin: 0; }
.qr-overlay-status[data-state="error"] { color: var(--error); }
.qr-overlay-status[data-state="pass"] { color: var(--success); }
#qr-overlay-stage {
  display: block;
  width: min(100%, 340px, 44dvh);
  height: auto;
  margin: 10px auto;
  border: 1px solid var(--edge);
  border-radius: 12px;
}
#qr-overlay-stage[data-editing] { cursor: grab; touch-action: none; }
#qr-overlay-stage[data-editing]:active { cursor: grabbing; }
.qr-overlay-file { display: grid; gap: 6px; margin-top: 10px; font-size: 13px; }
.qr-overlay-file span { min-width: 0; overflow-wrap: anywhere; color: var(--muted); }
.qr-image-drop { display: grid; gap: 3px; justify-items: center; padding-block: 12px; border-style: dashed; }
.qr-image-drop small { color: var(--muted); font-weight: 400; }
.qr-image-drop:hover, .qr-overlay-dialog[data-file-over] .qr-image-drop { border-color: var(--accent); background: var(--selected); }
.qr-advanced, .qr-badge-options { margin-top: 18px; border: 1px solid var(--edge); border-radius: 10px; font-size: 13px; }
.qr-advanced summary, .qr-badge-options summary { padding: 11px 12px; border-radius: 10px; font-weight: 700; cursor: pointer; }
.qr-advanced-group, .qr-badge-panel { padding: 10px 12px; border-top: 1px solid var(--edge); }
.qr-advanced-group > label { display: flex; align-items: center; gap: 6px; font-weight: 650; }
.qr-advanced-options { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 8px 10px; margin-top: 10px; }
.qr-advanced-options input[type="color"], .qr-advanced-options select { justify-self: start; min-height: 32px; max-width: 100%; font: inherit; }
.qr-advanced-options > p, .qr-advanced-group > p, .qr-knob-row p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.qr-advanced-options > p, .qr-knob-row { grid-column: 1 / -1; }
.qr-badge-options { margin-top: 10px; }
.qr-badge-shapes { display: flex; align-items: center; gap: 8px; }
.qr-badge-shapes select {
  min-height: 32px;
  padding-inline: 8px;
  border: 1px solid var(--edge);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
}
.qr-badge-icons { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 5px; margin-top: 8px; }
.qr-badge-icons button {
  display: grid;
  justify-items: center;
  gap: 3px;
  padding: 4px 1px;
  border: 1px solid var(--edge);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}
.qr-badge-icons button:hover, .qr-badge-icons button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--selected);
}
.qr-badge-icons canvas { width: 28px; height: 28px; }
.qr-knob-row { display: flex; align-items: center; gap: 10px; }
.qr-knob { position: relative; flex: 0 0 48px; height: 48px; border: 1px solid var(--edge); border-radius: 50%; background: var(--selected); }
.qr-knob span { position: absolute; inset: 5px; border-radius: 50%; background: var(--panel); transform: rotate(var(--mix-angle, 0deg)); }
.qr-knob span::after { content: ""; position: absolute; top: 4px; left: calc(50% - 1px); width: 2px; height: 8px; border-radius: 2px; background: var(--accent); }
.qr-knob input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.qr-knob:focus-within { outline: 2px solid var(--accent); outline-offset: 3px; }
.qr-knob-row output { color: var(--ink); font-weight: 650; }
#qr-overlay-center { margin-top: 8px; }
.qr-overlay-controls {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 44px;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 13px;
}
.qr-overlay-controls input { width: 100%; margin: 0; accent-color: var(--accent); }
.qr-overlay-controls output { text-align: right; font-variant-numeric: tabular-nums; }
.qr-overlay-save { width: 100%; background: var(--accent); color: var(--panel); }
.qr-tool-buttons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; margin-top: 14px; }
.qr-tool-buttons .qr-tool-button { padding-inline: 5px; background: #ffab55; border-color: #ef8c37; color: #321a0c; }
.qr-tool-buttons .qr-tool-button:hover { background: #ffc080; }
.qr-prank-dialog label { display: block; margin: 12px 0 4px; font-size: 13px; font-weight: 700; }
.qr-prank-dialog .qr-wifi-check { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.qr-tool-input {
  width: 100%;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--edge);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
}
.qr-tool-input[aria-invalid="true"] { border-color: var(--error); }
.qr-tool-input.standard-select { padding-inline-end: 48px; }
.qr-prank-dialog .standard-select-indicator { border-color: var(--edge); background: var(--selected); color: var(--ink); }
.qr-prank-presets, .qr-prank-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-block: 8px; }
.qr-prank-actions { margin-bottom: 0; }
.qr-prank-actions button { flex: 1 1 auto; width: auto; }
.qr-coupon-image {
  display: block;
  width: min(100%, 400px);
  height: auto;
  margin-inline: auto;
  border-radius: 12px;
}
.qr-custom-dot, .qr-dot-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 10px; }
.qr-custom-dot label > span { display: flex; align-items: center; gap: 6px; padding: 4px 8px; }
.qr-custom-dot .qr-style-icon { width: 22px; height: 22px; }
.qr-dot-toolbar [aria-pressed="true"] { border-color: var(--accent); color: var(--accent); background: var(--selected); }
.qr-dot-workspace { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .46fr); gap: 12px; margin-top: 12px; align-items: start; }
#qr-dot-grid {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  width: min(100%, 290px);
  border: 1px solid var(--edge);
  touch-action: none;
  user-select: none;
}
#qr-dot-grid button {
  aspect-ratio: 1;
  padding: 0;
  border: 1px solid var(--edge);
  border-width: 0 1px 1px 0;
  background: var(--panel);
  cursor: crosshair;
}
#qr-dot-grid button[aria-pressed="true"] { background: var(--ink); }
#qr-dot-grid button[data-fixed] { box-shadow: inset 0 0 0 2px var(--accent); cursor: default; }
#qr-dot-grid button:focus-visible { position: relative; outline-offset: -2px; }
.qr-dot-sample { margin: 0; text-align: center; color: var(--muted); font-size: 12px; }
.qr-dot-sample canvas { display: block; width: min(100%, 108px); height: auto; margin: 0 auto 6px; border: 1px solid var(--edge); border-radius: 8px; color: var(--ink); }

.qr-topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; margin-bottom: clamp(12px, 3vw, 22px); }
.qr-home, .qr-preferred-language, .qr-languages > summary { display: inline-flex; align-items: center; gap: 7px; min-height: 38px; padding: 6px 10px; font-size: .82rem; text-decoration: none; }
.qr-preferred-language { margin-left: auto; color: var(--accent); white-space: nowrap; }
.qr-home svg, .qr-languages svg { width: 17px; height: 17px; flex: none; }
.qr-languages { position: relative; z-index: 2; }
.qr-languages > summary { border: 1px solid var(--edge); border-radius: 9px; cursor: pointer; white-space: nowrap; list-style: none; }
.qr-languages > summary::-webkit-details-marker { display: none; }
.qr-languages nav { position: absolute; right: 0; top: calc(100% + 4px); display: grid; min-width: max-content; padding: 5px; border: 1px solid var(--edge); border-radius: 9px; background: var(--panel); box-shadow: 0 8px 25px #0003; }
.qr-languages nav a { display: block; padding: 7px 11px; border-radius: 5px; color: var(--ink); text-decoration: none; }
.qr-languages nav a:hover, .qr-languages nav a[aria-current="page"] { color: var(--accent); text-decoration: underline; }
.qr-guide { display: grid; gap: 7px; margin-top: 20px; color: var(--muted); font-size: .88rem; }
.qr-guide details { border: 1px solid var(--edge); border-radius: 9px; }
.qr-guide summary { padding: 9px 12px; color: var(--ink); cursor: pointer; }
.qr-guide p { margin: 0; padding: 0 12px 12px; line-height: 1.65; }
.qr-brand-options { margin-top: 12px; border-top: 1px solid var(--edge); }
.qr-brand-options > summary { padding: 11px 0 4px; }
.qr-badge-icons button { overflow-wrap: anywhere; }