/* QR Volde — v0.2 "QR Atelier"
   A single continuous world, three visual modes, one client-side QR studio. */

:root {
  color-scheme: light;
  --qv-bg: #f4e6d2;
  --qv-bg-deep: #e6cfb1;
  --qv-ink: #241f1a;
  --qv-muted: #6e5a47;
  --qv-accent: #c96f4a;
  --qv-accent-2: #2f6f6a;
  --qv-panel: rgba(255, 248, 236, 0.86);
  --qv-panel-strong: rgba(255, 250, 241, 0.97);
  --qv-line: rgba(36, 31, 26, 0.16);
  --qv-line-strong: rgba(36, 31, 26, 0.28);
  --qv-active-bg: #241f1a;
  --qv-active-text: #fff8ec;
  --qv-cta-bg: #241f1a;
  --qv-cta-text: #fff8ec;
  --qv-shadow: 0 30px 90px rgba(83, 53, 24, 0.18);
  --qv-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, "Times New Roman", serif;
  --qv-body: "Avenir Next", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --qv-radius: 1.35rem;
}

[data-mode="neon"] {
  color-scheme: dark;
  --qv-bg: #070b16;
  --qv-bg-deep: #03050c;
  --qv-ink: #f4f1ff;
  --qv-muted: #b7b2d6;
  --qv-accent: #ff4fa3;
  --qv-accent-2: #56e0ff;
  --qv-panel: rgba(12, 18, 36, 0.78);
  --qv-panel-strong: rgba(12, 18, 36, 0.95);
  --qv-line: rgba(244, 241, 255, 0.15);
  --qv-line-strong: rgba(244, 241, 255, 0.3);
  --qv-active-bg: #ff4fa3;
  --qv-active-text: #140a13;
  --qv-cta-bg: #ff4fa3;
  --qv-cta-text: #140a13;
  --qv-shadow: 0 30px 90px rgba(0, 0, 0, 0.52);
}

[data-mode="minimal"] {
  color-scheme: light;
  --qv-bg: #f3f0e9;
  --qv-bg-deep: #e5e0d6;
  --qv-ink: #1f2222;
  --qv-muted: #6c706b;
  --qv-accent: #2f6f6a;
  --qv-accent-2: #a98b62;
  --qv-panel: rgba(255, 255, 252, 0.86);
  --qv-panel-strong: rgba(255, 255, 252, 0.97);
  --qv-line: rgba(31, 34, 34, 0.14);
  --qv-line-strong: rgba(31, 34, 34, 0.26);
  --qv-active-bg: #1f2222;
  --qv-active-text: #f3f0e9;
  --qv-cta-bg: #1f2222;
  --qv-cta-text: #f3f0e9;
  --qv-shadow: 0 30px 90px rgba(61, 58, 50, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  background: var(--qv-bg);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--qv-ink);
  font-family: var(--qv-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background: var(--qv-bg);
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

::selection {
  background: var(--qv-accent);
  color: var(--qv-active-text);
}

.qv {
  position: fixed;
  inset: 0;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse at 50% 16%, rgba(255, 255, 255, 0.6), transparent 44%),
    radial-gradient(ellipse at 82% 34%, rgba(201, 111, 74, 0.18), transparent 38%),
    linear-gradient(180deg, var(--qv-bg) 0%, var(--qv-bg-deep) 100%);
  transition: background 600ms ease;
}

[data-mode="neon"] .qv {
  background:
    radial-gradient(ellipse at 74% 20%, rgba(255, 79, 163, 0.22), transparent 38%),
    radial-gradient(ellipse at 22% 32%, rgba(86, 224, 255, 0.14), transparent 42%),
    linear-gradient(180deg, #070b16 0%, #03050c 100%);
}

[data-mode="minimal"] .qv {
  background:
    radial-gradient(ellipse at 50% 12%, rgba(255, 255, 255, 0.9), transparent 44%),
    radial-gradient(ellipse at 78% 38%, rgba(47, 111, 106, 0.08), transparent 42%),
    linear-gradient(180deg, #f3f0e9 0%, #e5e0d6 100%);
}

#world {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}

.qv__grain {
  position: absolute;
  inset: -20%;
  pointer-events: none;
  opacity: 0.18;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  z-index: 2;
}

[data-mode="neon"] .qv__grain {
  opacity: 0.12;
  mix-blend-mode: screen;
}

[data-mode="minimal"] .qv__grain {
  opacity: 0.1;
}

.qv__vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 45%, transparent 44%, rgba(38, 27, 16, 0.14) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 18%, transparent 82%, rgba(38, 27, 16, 0.12));
  z-index: 3;
}

[data-mode="neon"] .qv__vignette {
  background:
    radial-gradient(ellipse at 50% 45%, transparent 38%, rgba(0, 0, 0, 0.5) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.16), transparent 20%, transparent 80%, rgba(0, 0, 0, 0.4));
}

.qv__mode-wash {
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
  background: var(--qv-bg);
  opacity: 0;
  transition: opacity 320ms ease;
}

.qv__mode-wash.is-washing {
  opacity: 0.46;
}

.qv__top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding:
    max(1.1rem, env(safe-area-inset-top))
    clamp(1rem, 3vw, 2.5rem)
    0;
}

.qv__brand {
  display: flex;
  align-items: center;
  gap: 0.62rem;
  min-width: 0;
  color: var(--qv-ink);
  text-decoration: none;
  border-radius: 0.7rem;
  outline: none;
}

.qv__brand:focus-visible {
  box-shadow: 0 0 0 3px var(--qv-accent);
}

.qv__mark {
  width: 1.75rem;
  height: 1.75rem;
  flex: none;
  fill: var(--qv-accent);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.08));
}

.qv__brand-name {
  font-family: var(--qv-display);
  font-size: 1.14rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  white-space: nowrap;
}

.qv__brand-tag {
  margin-left: 0.2rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--qv-line-strong);
  color: var(--qv-muted);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}

.qv__top-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: none;
}

.qv__modes {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  padding: 0.22rem;
  border: 1px solid var(--qv-line);
  border-radius: 999px;
  background: var(--qv-panel);
  box-shadow: 0 8px 30px rgba(40, 26, 12, 0.08);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  backdrop-filter: blur(16px) saturate(1.15);
  transition: background 500ms ease, border-color 500ms ease;
}

.qv__mode {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2rem;
  padding: 0.34rem 0.58rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--qv-muted);
  font-size: 0.6rem;
  font-weight: 650;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.qv__mode:hover {
  color: var(--qv-ink);
  background: var(--qv-line);
}

.qv__mode:active {
  transform: scale(0.97);
}

.qv__mode[aria-pressed="true"] {
  color: var(--qv-active-text);
  background: var(--qv-active-bg);
}

.qv__mode:focus-visible,
.qv__studio-btn:focus-visible,
.qv__rail button:focus-visible,
.qv__cta:focus-visible,
.studio button:focus-visible,
.studio input:focus-visible {
  outline: 3px solid var(--qv-accent);
  outline-offset: 3px;
}

.qv__mode-swatch {
  width: 0.62rem;
  height: 0.62rem;
  flex: none;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.38);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}

.qv__mode-swatch--dawn {
  background: linear-gradient(135deg, #f4e6d2 0 48%, #c96f4a 48% 100%);
}

.qv__mode-swatch--neon {
  background: linear-gradient(135deg, #070b16 0 48%, #ff4fa3 48% 100%);
}

.qv__mode-swatch--minimal {
  background: linear-gradient(135deg, #f3f0e9 0 48%, #2f6f6a 48% 100%);
}

.qv__studio-btn {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 0.42rem;
  min-height: 2.45rem;
  padding: 0.48rem 0.82rem;
  border: 1px solid var(--qv-line);
  border-radius: 999px;
  background: var(--qv-panel);
  color: var(--qv-ink);
  box-shadow: 0 8px 30px rgba(40, 26, 12, 0.08);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  backdrop-filter: blur(16px) saturate(1.15);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 180ms ease, background 500ms ease, transform 180ms ease;
}

.qv__studio-btn:hover {
  border-color: var(--qv-accent);
  transform: translateY(-1px);
}

.qv__studio-btn-mark {
  color: var(--qv-accent);
  font-size: 1rem;
  font-weight: 400;
  line-height: 0.8;
}

.qv__copy {
  position: absolute;
  left: clamp(1rem, 3vw, 2.5rem);
  bottom: clamp(1.2rem, 4vh, 2.6rem);
  z-index: 15;
  width: min(34rem, calc(100vw - 2rem));
  padding: clamp(1.2rem, 2.4vw, 2rem);
  border: 1px solid var(--qv-line);
  border-radius: var(--qv-radius);
  background: linear-gradient(145deg, var(--qv-panel-strong), var(--qv-panel));
  box-shadow: var(--qv-shadow);
  -webkit-backdrop-filter: blur(22px) saturate(1.12);
  backdrop-filter: blur(22px) saturate(1.12);
  transition: background 500ms ease, border-color 500ms ease, box-shadow 500ms ease;
}

.qv__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.58rem;
  margin: 0 0 0.78rem;
  color: var(--qv-muted);
  font-size: 0.63rem;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.qv__eyebrow::before {
  content: "";
  width: 1.7rem;
  height: 1px;
  flex: none;
  background: var(--qv-accent);
}

.qv__title {
  margin: 0 0 0.9rem;
  color: var(--qv-ink);
  font-family: var(--qv-display);
  font-size: clamp(2.35rem, 4.7vw, 4.25rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.96;
  text-wrap: balance;
}

.qv__body {
  max-width: 30rem;
  margin: 0 0 1.15rem;
  color: var(--qv-muted);
  font-size: clamp(0.92rem, 1.1vw, 1.03rem);
  line-height: 1.62;
  text-wrap: pretty;
}

.qv__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  margin: 0 0 1.2rem;
  padding: 0;
  list-style: none;
}

.qv__tags li {
  padding: 0.3rem 0.58rem;
  border: 1px solid var(--qv-line);
  border-radius: 999px;
  color: var(--qv-muted);
  font-size: 0.57rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.qv__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  padding: 0.78rem 1.05rem;
  border-radius: 999px;
  background: var(--qv-cta-bg);
  color: var(--qv-cta-text);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.16);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 500ms ease, color 500ms ease;
}

.qv__cta span {
  transition: transform 180ms ease;
}

.qv__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
}

.qv__cta:hover span {
  transform: translateX(3px);
}

.qv__cta[hidden] {
  display: none;
}

.qv__rail {
  position: absolute;
  top: 50%;
  right: clamp(1rem, 2.5vw, 2rem);
  z-index: 15;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.52rem;
  transform: translateY(-50%);
}

.qv__rail button {
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  min-width: 2rem;
  min-height: 2rem;
  padding: 0.5rem 0;
  border: 0;
  background: transparent;
  color: var(--qv-muted);
  font-size: 0.56rem;
  font-weight: 650;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 200ms ease;
}

.qv__rail-dot {
  width: 0.42rem;
  height: 0.42rem;
  flex: none;
  border-radius: 50%;
  background: var(--qv-line-strong);
  transition: background 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.qv__rail-label {
  opacity: 0;
  transform: translateX(4px);
  text-shadow: 0 1px 8px var(--qv-bg), 0 0 3px var(--qv-bg);
  transition: opacity 200ms ease, transform 200ms ease;
}

.qv__rail button:hover .qv__rail-label,
.qv__rail button:focus-visible .qv__rail-label,
.qv__rail button[aria-current="step"] .qv__rail-label {
  opacity: 0.82;
  transform: translateX(0);
}

.qv__rail button[aria-current="step"] {
  color: var(--qv-ink);
}

.qv__rail button[aria-current="step"] .qv__rail-dot {
  background: var(--qv-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--qv-accent) 18%, transparent);
  transform: scale(1.1);
}

.qv__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 25;
  height: 2px;
  background: var(--qv-line);
  overflow: hidden;
}

.qv__progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--qv-accent), var(--qv-accent-2));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 120ms linear;
}

.qv__hint {
  position: absolute;
  left: 50%;
  bottom: 1.05rem;
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.44rem 0.7rem;
  border: 1px solid var(--qv-line);
  border-radius: 999px;
  background: var(--qv-panel);
  color: var(--qv-muted);
  font-size: 0.56rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transform: translateX(-50%);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  pointer-events: none;
  transition: opacity 420ms ease, transform 420ms ease;
}

.qv__hint span {
  color: var(--qv-accent);
  font-size: 0.75rem;
  animation: qv-bob 1.8s ease-in-out infinite;
}

.qv__hint.is-hidden {
  opacity: 0;
  transform: translate(-50%, 0.4rem);
}

@keyframes qv-bob {
  0%, 100% { transform: translateY(-1px); }
  50% { transform: translateY(2px); }
}

.qv__fallback {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--qv-bg);
  color: var(--qv-ink);
}

.qv__fallback[hidden] {
  display: none;
}

.qv__fallback > div {
  max-width: 34rem;
}

.qv__fallback-kicker {
  margin: 0 0 0.7rem;
  color: var(--qv-accent);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.qv__fallback h1 {
  margin: 0 0 0.8rem;
  font-family: var(--qv-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
}

.qv__fallback p:last-child {
  margin: 0;
  color: var(--qv-muted);
  line-height: 1.6;
}

body.no-webgl .qv__copy,
body.no-webgl .qv__rail,
body.no-webgl .qv__hint,
body.no-webgl .qv__progress {
  display: none;
}

#scroll-space {
  height: 560vh;
  pointer-events: none;
}

/* QR Studio --------------------------------------------------------------- */

.studio {
  position: fixed;
  inset: 0;
  width: min(56rem, calc(100vw - 2rem));
  max-width: none;
  max-height: calc(100vh - 2rem);
  margin: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--qv-ink);
  overflow: visible;
}

.studio::backdrop {
  background: rgba(12, 8, 5, 0.56);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.studio__panel {
  max-height: calc(100vh - 2rem);
  overflow: auto;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--qv-line-strong);
  border-radius: 1.6rem;
  background: linear-gradient(145deg, var(--qv-panel-strong), var(--qv-panel));
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.35);
  -webkit-backdrop-filter: blur(24px) saturate(1.1);
  backdrop-filter: blur(24px) saturate(1.1);
}

.studio__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(1.1rem, 2.5vw, 1.7rem);
}

.studio__kicker {
  margin: 0 0 0.42rem;
  color: var(--qv-accent);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.studio h2 {
  margin: 0;
  font-family: var(--qv-display);
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
  text-wrap: balance;
}

.studio__close {
  appearance: none;
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  flex: none;
  padding: 0;
  border: 1px solid var(--qv-line);
  border-radius: 50%;
  background: transparent;
  color: var(--qv-muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.studio__close:hover {
  color: var(--qv-ink);
  border-color: var(--qv-accent);
  transform: rotate(6deg);
}

.studio__body {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(1.2rem, 3vw, 2.2rem);
  align-items: start;
}

.studio__form {
  min-width: 0;
}

.studio__label {
  display: block;
  margin: 0 0 0.45rem;
  color: var(--qv-muted);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.studio__input {
  width: 100%;
  min-height: 3rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--qv-line-strong);
  border-radius: 0.85rem;
  background: color-mix(in srgb, var(--qv-panel-strong) 70%, transparent);
  color: var(--qv-ink);
  font-size: 0.9rem;
  line-height: 1.4;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

[data-mode="neon"] .studio__input {
  background: rgba(0, 0, 0, 0.24);
}

.studio__input:focus {
  border-color: var(--qv-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--qv-accent) 14%, transparent);
}

.studio__presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
  margin: 0.7rem 0 0.75rem;
}

.studio__preset {
  appearance: none;
  padding: 0.38rem 0.62rem;
  border: 1px solid var(--qv-line);
  border-radius: 999px;
  background: transparent;
  color: var(--qv-muted);
  font-size: 0.62rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.studio__preset:hover {
  color: var(--qv-ink);
  border-color: var(--qv-line-strong);
}

.studio__preset.is-active {
  border-color: var(--qv-active-bg);
  background: var(--qv-active-bg);
  color: var(--qv-active-text);
}

.studio__note {
  min-height: 2.5em;
  margin: 0 0 1rem;
  color: var(--qv-muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.studio__note.is-error {
  color: #b33a2f;
}

[data-mode="neon"] .studio__note.is-error {
  color: #ff9a8a;
}

/* Atelier style picker ---------------------------------------------------- */

.studio__atelier {
  margin: 0.15rem 0 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--qv-line);
}

.studio__atelier-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.studio__atelier-head .studio__label {
  margin: 0;
}

.studio__style-name {
  color: var(--qv-accent);
  font-family: var(--qv-display);
  font-size: 0.82rem;
  line-height: 1.1;
  text-align: right;
}

.studio__styles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.42rem;
}

.studio__style {
  appearance: none;
  min-width: 0;
  padding: 0.24rem;
  border: 1px solid var(--qv-line);
  border-radius: 0.65rem;
  background: color-mix(in srgb, var(--qv-panel-strong) 38%, transparent);
  color: var(--qv-muted);
  text-align: left;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.studio__style:hover {
  border-color: var(--qv-line-strong);
  transform: translateY(-1px);
}

.studio__style.is-active {
  border-color: var(--qv-accent);
  background: color-mix(in srgb, var(--qv-accent) 9%, var(--qv-panel-strong));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--qv-accent) 14%, transparent);
}

.studio__style-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 0.46rem;
  background: #fffdf8;
}

.studio__style-label {
  display: block;
  min-height: 2.1em;
  margin: 0.3rem 0.08rem 0.05rem;
  overflow: hidden;
  color: var(--qv-muted);
  font-size: 0.58rem;
  font-weight: 650;
  letter-spacing: 0.015em;
  line-height: 1.12;
  text-overflow: ellipsis;
}

.studio__style.is-active .studio__style-label {
  color: var(--qv-ink);
}

.studio__fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 0.75rem 0 0.55rem;
}

.studio__field {
  display: block;
  min-width: 0;
}

.studio__field > span {
  display: block;
  margin-bottom: 0.28rem;
  color: var(--qv-muted);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.studio__field input {
  width: 100%;
  min-height: 2.45rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--qv-line-strong);
  border-radius: 0.65rem;
  background: color-mix(in srgb, var(--qv-panel-strong) 70%, transparent);
  color: var(--qv-ink);
  font-size: 0.76rem;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.studio__field input:focus {
  border-color: var(--qv-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--qv-accent) 14%, transparent);
}

.studio__custom {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 0.65rem;
  margin-top: 0.55rem;
  padding: 0.65rem;
  border: 1px solid var(--qv-line);
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--qv-panel-strong) 34%, transparent);
}

.studio__custom[hidden] {
  display: none;
}

.studio__custom-group {
  min-width: 0;
}

.studio__swatches,
.studio__motifs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.3rem;
}

.studio__swatch {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 0.32rem;
  min-width: 0;
  padding: 0.22rem 0.34rem 0.22rem 0.22rem;
  border: 1px solid var(--qv-line);
  border-radius: 999px;
  background: transparent;
  color: var(--qv-muted);
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease;
}

.studio__swatch:hover,
.studio__swatch.is-active {
  border-color: var(--qv-accent);
}

.studio__swatch.is-active {
  background: color-mix(in srgb, var(--qv-accent) 9%, transparent);
}

.studio__swatch-chip {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
}

.studio__swatch-label {
  overflow: hidden;
  font-size: 0.55rem;
  font-weight: 650;
  line-height: 1.1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.studio__motif {
  appearance: none;
  padding: 0.3rem 0.46rem;
  border: 1px solid var(--qv-line);
  border-radius: 999px;
  background: transparent;
  color: var(--qv-muted);
  font-size: 0.56rem;
  font-weight: 650;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.studio__motif:hover,
.studio__motif.is-active {
  color: var(--qv-ink);
  border-color: var(--qv-accent);
}

.studio__motif.is-active {
  background: color-mix(in srgb, var(--qv-accent) 9%, transparent);
}

.studio__text-button {
  appearance: none;
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--qv-muted);
  font-size: 0.6rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  cursor: pointer;
}

.studio__text-button:hover {
  color: var(--qv-accent);
}

.studio__text-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.studio__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
}

.studio__primary,
.studio__secondary {
  appearance: none;
  min-height: 2.65rem;
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.studio__primary {
  border: 1px solid var(--qv-cta-bg);
  background: var(--qv-cta-bg);
  color: var(--qv-cta-text);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.16);
}

.studio__secondary {
  border: 1px solid var(--qv-line-strong);
  background: transparent;
  color: var(--qv-ink);
}

.studio__primary:hover,
.studio__secondary:hover {
  transform: translateY(-1px);
}

.studio__secondary:hover {
  border-color: var(--qv-accent);
}

.studio__primary:disabled,
.studio__secondary:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

body.has-dialog {
  overscroll-behavior: none;
}

.studio__privacy {
  margin: 0;
  color: var(--qv-muted);
  font-size: 0.56rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.studio__preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid var(--qv-line);
  border-radius: 1.15rem;
  background: color-mix(in srgb, var(--qv-panel-strong) 42%, transparent);
}

.studio__canvas-wrap {
  width: 100%;
  max-width: 18rem;
  padding: 0.7rem;
  border-radius: 0.8rem;
  background: #fffdf8;
  box-shadow: 0 12px 36px rgba(40, 26, 12, 0.14);
}

.studio__canvas-wrap--art {
  max-width: 19rem;
  padding: 0.38rem;
  border-radius: 1rem;
}

.studio__canvas-wrap canvas {
  display: block;
  width: 100%;
  height: auto;
}

.studio__preview-label {
  margin: 0.75rem 0 0.2rem;
  color: var(--qv-ink);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.studio__preview-note {
  max-width: 17rem;
  margin: 0;
  color: var(--qv-muted);
  font-size: 0.72rem;
  line-height: 1.45;
  text-align: center;
}

@media (max-width: 1100px) {
  .qv__rail-label {
    display: none;
  }

  .qv__copy {
    width: min(31rem, calc(100vw - 2rem));
  }
}

@media (max-width: 900px) {
  .studio__body {
    grid-template-columns: 1fr;
  }

  .studio__preview {
    order: -1;
    padding: 0.8rem;
  }

  .studio__canvas-wrap {
    max-width: 14rem;
  }

  .studio__canvas-wrap--art {
    max-width: 15rem;
  }

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

@media (max-width: 600px) {
  .studio__fields {
    grid-template-columns: 1fr;
  }

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

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

  .studio__style-label {
    font-size: 0.55rem;
  }
}

@media (max-width: 760px) {
  .qv__top {
    padding-top: max(0.85rem, env(safe-area-inset-top));
    gap: 0.55rem;
  }

  .qv__brand-tag {
    display: none;
  }

  .qv__brand-name {
    font-size: 1.04rem;
  }

  .qv__mark {
    width: 1.55rem;
    height: 1.55rem;
  }

  .qv__mode-label {
    display: none;
  }

  .qv__mode {
    min-width: 1.9rem;
    min-height: 1.9rem;
    padding: 0.35rem;
    justify-content: center;
  }

  .qv__mode-swatch {
    width: 0.72rem;
    height: 0.72rem;
  }

  .qv__studio-btn {
    min-height: 2.2rem;
    padding: 0.42rem 0.66rem;
    font-size: 0.62rem;
  }

  .qv__studio-btn-mark {
    font-size: 0.9rem;
  }

  .qv__copy {
    left: 0.72rem;
    right: 0.72rem;
    bottom: max(0.72rem, env(safe-area-inset-bottom));
    width: auto;
    padding: 1rem 1.05rem 1.05rem;
    border-radius: 1.15rem;
  }

  .qv__eyebrow {
    margin-bottom: 0.55rem;
    font-size: 0.56rem;
  }

  .qv__title {
    margin-bottom: 0.62rem;
    font-size: clamp(1.95rem, 8.3vw, 2.7rem);
    line-height: 0.98;
  }

  .qv__body {
    margin-bottom: 0.8rem;
    font-size: 0.88rem;
    line-height: 1.5;
  }

  .qv__tags {
    margin-bottom: 0.85rem;
  }

  .qv__cta {
    padding: 0.68rem 0.92rem;
    font-size: 0.7rem;
  }

  .qv__hint {
    top: max(4.65rem, calc(env(safe-area-inset-top) + 4rem));
    bottom: auto;
    font-size: 0.52rem;
  }

  .qv__rail {
    display: none;
  }

  .studio {
    width: calc(100vw - 1rem);
    max-height: calc(100vh - 1rem);
  }

  .studio__panel {
    max-height: calc(100vh - 1rem);
    padding: 1rem;
    border-radius: 1.25rem;
  }

  .studio__head {
    margin-bottom: 1rem;
  }

  .studio__close {
    width: 2rem;
    height: 2rem;
  }

  .studio__canvas-wrap {
    max-width: 13rem;
  }

  .studio__preview-note {
    max-width: 15rem;
  }
}

@media (max-width: 430px) {
  .qv__brand-name {
    font-size: 0.98rem;
  }

  .qv__studio-btn > span:last-child {
    display: none;
  }

  .qv__studio-btn {
    width: 2.2rem;
    min-width: 2.2rem;
    padding: 0;
    justify-content: center;
  }

  .qv__studio-btn-mark {
    font-size: 1.15rem;
  }

  .qv__copy {
    padding: 0.9rem 0.95rem 0.95rem;
  }

  .qv__tags li {
    font-size: 0.52rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .qv__hint span {
    animation: none;
  }
}