.chip-designer {
  --navy: #073f73;
  --navy-deep: #062b50;
  --gold: #c5a46d;
  --gold-bright: #e1c690;
  --ink: #f7f3ea;
  --muted: #aeb6c0;
  --panel: #171c22;
  --panel-2: #0d1116;
  --page: #090c10;
  --line: rgba(197, 164, 109, .28);
  --line-soft: rgba(255, 255, 255, .09);
  --success: #9dd7b7;
  --warning: #e6c779;
  --error: #efaaaa;
  --shadow: 0 28px 80px rgba(0, 0, 0, .28);
}

html[data-theme='light'] .chip-designer {
  --ink: #082b4d;
  --muted: #52677a;
  --panel: #ffffff;
  --panel-2: #eef4f8;
  --page: #f5f8fb;
  --line: rgba(7, 63, 115, .24);
  --line-soft: rgba(7, 63, 115, .11);
  --shadow: 0 28px 80px rgba(7, 63, 115, .10);
}

.chip-designer {
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(7, 63, 115, .22), transparent 36%),
    var(--page);
  font-family: var(--sans);
  line-height: 1.55;
}

.size-badge {
  padding: 8px 11px;
  color: var(--gold-bright);
  border: 1px solid var(--line);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.chip-hero {
  padding-block: clamp(70px, 9vw, 130px) clamp(45px, 6vw, 78px);
}

.chip-hero h1 {
  max-width: 950px;
  margin: 12px 0 22px;
  font-size: clamp(3rem, 7vw, 7.8rem);
  line-height: .9;
  letter-spacing: -.055em;
}

.chip-hero p {
  max-width: 870px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
}

.eyebrow {
  display: inline-block;
  color: var(--gold);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.eyebrow.compact { margin-bottom: 8px; font-size: .64rem; }

.configurator {
  padding-block: 10px clamp(90px, 10vw, 150px);
  display: grid;
  grid-template-columns: minmax(360px, .9fr) minmax(0, 1.1fr);
  gap: clamp(44px, 7vw, 100px);
  align-items: start;
}

.preview-column,
.controls-column { min-width: 0; }

.preview-card {
  position: sticky;
  top: 24px;
  padding: clamp(24px, 3vw, 42px);
  background:
    radial-gradient(circle at 50% 38%, rgba(197, 164, 109, .1), transparent 46%),
    linear-gradient(145deg, rgba(28, 33, 40, .98), rgba(12, 15, 19, .98));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

html[data-theme='light'] .preview-card {
  background:
    radial-gradient(circle at 50% 38%, rgba(0, 70, 135, .09), transparent 46%),
    linear-gradient(145deg, #fff, #eef4f8);
}

.preview-card::after {
  content: '';
  position: absolute;
  width: 340px;
  height: 340px;
  right: -170px;
  bottom: -210px;
  border: 1px solid rgba(197, 164, 109, .18);
  border-radius: 50%;
  box-shadow: 0 0 0 48px rgba(197, 164, 109, .02), 0 0 0 96px rgba(197, 164, 109, .012);
  pointer-events: none;
}

.preview-heading {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.preview-heading h2 {
  margin: 0;
  font-size: clamp(1.7rem, 2.6vw, 2.8rem);
  line-height: 1.05;
}

.preview-stage {
  position: relative;
  z-index: 1;
  min-height: 520px;
  display: grid;
  place-items: center;
  padding: 30px 0 34px;
}

.preview-stage::before {
  content: '';
  position: absolute;
  width: min(76%, 430px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .08), rgba(255, 255, 255, 0) 66%);
  filter: blur(3px);
}

.preview-stage::after {
  content: '';
  position: absolute;
  width: min(62%, 340px);
  height: 42px;
  bottom: 54px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .44);
  filter: blur(16px);
}

html[data-theme='light'] .preview-stage::after { background: rgba(0, 49, 91, .17); }

.preview-disc {
  position: relative;
  z-index: 2;
  width: min(100%, 480px);
  aspect-ratio: 1;
  transition: transform .25s ease;
}

.preview-disc:hover { transform: translateY(-3px) rotate(-1deg); }
.preview-disc svg { width: 100%; height: 100%; display: block; filter: drop-shadow(0 26px 24px rgba(0, 0, 0, .3)); }

.preview-actions {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.button {
  min-height: 52px;
  padding: 13px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  font-weight: 700;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.button:hover { transform: translateY(-2px); border-color: var(--gold); }
.button.primary { color: #07111c; background: var(--gold-bright); border-color: var(--gold-bright); }
.button.outline { background: rgba(255, 255, 255, .025); }
.copy-status { min-height: 24px; margin: 8px 0 0; color: var(--success); font-size: .78rem; }

.controls-intro h2 {
  margin: 8px 0 18px;
  font-size: clamp(2.3rem, 4vw, 4.2rem);
  line-height: .98;
}
.controls-intro p { max-width: 720px; margin: 0 0 36px; color: var(--muted); }

.colour-targets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 26px;
}

.colour-target {
  min-width: 0;
  padding: 20px;
  color: inherit;
  text-align: left;
  background: rgba(255, 255, 255, .025);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

html[data-theme='light'] .colour-target { background: rgba(0, 70, 135, .025); }
.colour-target:hover { transform: translateY(-2px); border-color: rgba(197, 164, 109, .52); }
.colour-target.is-active { background: rgba(197, 164, 109, .08); border-color: var(--gold); box-shadow: inset 0 0 0 1px rgba(197, 164, 109, .12); }

.target-number {
  display: block;
  margin-bottom: 11px;
  color: var(--gold);
  font-size: .7rem;
  font-weight: 750;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.target-row { display: flex; align-items: center; gap: 12px; }
.target-row i,
.swatch-colour {
  flex: 0 0 auto;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .72);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .35);
}
.target-row i { width: 34px; height: 34px; }
.target-row strong { min-width: 0; color: var(--ink); font-size: 1rem; overflow-wrap: anywhere; }
.colour-target small { display: block; margin-top: 9px; color: var(--muted); font-size: .72rem; line-height: 1.45; }

.palette-panel {
  padding: clamp(22px, 3vw, 34px);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

.palette-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.palette-heading h3 { margin: 0; font-size: clamp(1.4rem, 2vw, 1.9rem); }
.inline-actions { display: flex; align-items: center; gap: 16px; }
.inline-actions button {
  padding: 0;
  color: var(--gold-bright);
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(197, 164, 109, .45);
  font-size: .74rem;
  font-weight: 700;
  cursor: pointer;
}
.inline-actions button:hover { color: var(--ink); border-color: var(--gold-bright); }

.palette {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.swatch {
  min-width: 0;
  min-height: 104px;
  padding: 10px 7px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  color: inherit;
  background: rgba(255, 255, 255, .02);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
html[data-theme='light'] .swatch { background: rgba(0, 70, 135, .025); }
.swatch:hover { transform: translateY(-2px); background: rgba(255, 255, 255, .05); border-color: rgba(197, 164, 109, .45); }
.swatch.is-selected { background: rgba(197, 164, 109, .1); border-color: var(--gold); }
.swatch-colour { width: 42px; height: 42px; background: var(--swatch); }
.swatch-copy { min-width: 0; display: grid; gap: 2px; text-align: center; }
.swatch-copy strong { color: var(--ink); font-size: .75rem; line-height: 1; }
.swatch-copy small { min-height: 28px; color: var(--muted); font-size: .58rem; line-height: 1.25; overflow-wrap: anywhere; }

.summary-card {
  margin-top: 26px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(197, 164, 109, .07), rgba(255, 255, 255, .015));
}
.summary-card dl { margin: 0; }
.summary-card dl div { padding: 13px 0; display: grid; grid-template-columns: minmax(130px, .7fr) minmax(0, 1.3fr); gap: 20px; border-bottom: 1px solid var(--line-soft); }
.summary-card dt { color: var(--muted); }
.summary-card dd { margin: 0; color: var(--ink); text-align: right; overflow-wrap: anywhere; }

.contrast-status { margin: 22px 0 0; padding-left: 22px; position: relative; font-size: .86rem; }
.contrast-status::before { content: '●'; position: absolute; left: 0; }
.contrast-status.is-good { color: var(--success); }
.contrast-status.is-warning { color: var(--warning); }
.contrast-status.is-error { color: var(--error); }

.chip-quote-actions {
  margin-top: 26px;
  padding-top: 26px;
  display: grid;
  grid-template-columns: minmax(150px, .55fr) minmax(240px, 1.45fr);
  gap: 14px 18px;
  align-items: end;
  border-top: 1px solid var(--line-soft);
}

.chip-quote-actions label { display: grid; gap: 8px; }
.chip-quote-actions label span { color: var(--muted); font-size: .75rem; }
.chip-quote-actions input {
  width: 100%;
  min-height: 58px;
  padding: 12px 14px;
  color: var(--ink);
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
}
.chip-quote-actions .button { width: 100%; }
.chip-quote-view { align-self: center; }
.chip-quote-status { min-height: 1.4em; margin: 0; color: var(--success); font-size: .78rem; text-align: right; }

html[data-theme='light'] .chip-quote-actions input { background: #fff; }

.prototype-notes { margin-top: 24px; padding-left: 20px; border-left: 2px solid var(--gold); }
.prototype-notes p { margin: 0 0 9px; color: var(--muted); font-size: .82rem; }
.prototype-notes strong { color: var(--ink); }

@media (max-width: 1120px) {
  .configurator { grid-template-columns: 1fr; }
  .preview-card { position: relative; top: auto; }
  .preview-stage { min-height: 450px; }
}

@media (max-width: 760px) {
  .configurator { gap: 42px; }
  .preview-heading, .palette-heading { align-items: flex-start; flex-direction: column; }
  .preview-stage { min-height: 360px; padding-top: 26px; }
  .preview-disc { width: min(100%, 350px); }
  .colour-targets { grid-template-columns: 1fr; }
  .palette { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .preview-card, .palette-panel, .summary-card { padding: 20px; }
  .preview-stage { min-height: 300px; }
  .palette { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .swatch { min-height: 96px; }
  .summary-card dl div { grid-template-columns: 1fr; gap: 3px; }
  .summary-card dd { text-align: left; }
  .chip-quote-actions { grid-template-columns: 1fr; }
  .chip-quote-status { text-align: left; }
}

/* Coded model selector and updated no-circle GS logo */
[hidden] { display: none !important; }
template { display: none; }

.brand-mark {
  width: 74px;
  height: 50px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.model-browser {
  margin-bottom: 52px;
}

.model-filters {
  margin-bottom: 22px;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  background: rgba(255, 255, 255, .02);
  border: 1px solid var(--line-soft);
}

html[data-theme='light'] .model-filters { background: rgba(0, 70, 135, .02); }

.model-filter-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.model-filter-group legend {
  margin: 0 0 9px;
  padding: 0;
  color: var(--muted);
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.model-filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.model-filter-option {
  min-width: 45px;
  min-height: 39px;
  padding: 8px 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, .02);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  font-size: .76rem;
  font-weight: 750;
  transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease;
}

.model-filter-option:hover { transform: translateY(-1px); color: var(--ink); border-color: rgba(197, 164, 109, .55); }
.model-filter-option.is-active { color: var(--ink); background: rgba(197, 164, 109, .1); border-color: var(--gold); }

.model-results-status {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: .75rem;
}

.model-selector {
  display: grid;
  gap: 24px;
}

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

.model-group-heading {
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.model-group-heading h3 {
  margin: 0 0 9px;
  font-size: 1rem;
}

.model-group-heading span {
  color: var(--muted);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.model-option {
  min-width: 0;
  min-height: 178px;
  padding: 22px;
  display: grid;
  align-content: start;
  gap: 8px;
  color: inherit;
  text-align: left;
  background: rgba(255, 255, 255, .025);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

html[data-theme='light'] .model-option { background: rgba(0, 70, 135, .025); }
.model-option:hover { transform: translateY(-2px); border-color: rgba(197, 164, 109, .52); }
.model-option.is-active { background: rgba(197, 164, 109, .08); border-color: var(--gold); box-shadow: inset 0 0 0 1px rgba(197, 164, 109, .12); }
.model-option-number { color: var(--gold); font-size: .68rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.model-option strong { font-size: 1.1rem; line-height: 1.2; }
.model-option small { color: var(--muted); font-size: .76rem; line-height: 1.5; }
.model-option-meta { margin-top: auto; padding-top: 8px; color: var(--gold-bright); font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

.colour-intro { padding-top: 2px; }
.colour-targets { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.preview-disc svg { transition: opacity .18s ease; }

@media (max-width: 1280px) and (min-width: 761px) {
  .model-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

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

@media (max-width: 760px) {
  .model-browser { margin-bottom: 42px; }
  .model-filters { padding: 16px; }
  .model-grid { grid-template-columns: 1fr; }
  .model-option { min-height: 0; }
  .brand-mark { width: 66px; height: 45px; }
}

.value-panel {
  margin: 0 0 32px;
  padding: 18px 20px;
  display: grid;
  grid-template-columns: minmax(180px, 230px) minmax(0, 1fr);
  gap: 14px 18px;
  align-items: end;
  background: linear-gradient(135deg, rgba(197, 164, 109, .075), rgba(255, 255, 255, .015));
  border: 1px solid var(--line);
}

.value-panel h2 {
  grid-column: 1 / -1;
  margin: 0 0 2px;
  font-size: clamp(1.55rem, 2.4vw, 2.25rem);
  line-height: 1;
}

.value-select-wrap,
.chip-feature-options {
  display: grid;
  gap: 7px;
}

.value-select-wrap > span,
.chip-options-subheading {
  color: var(--gold);
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.value-select-wrap select {
  width: 100%;
  min-height: 46px;
  padding: 9px 40px 9px 13px;
  color: var(--ink);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 0;
  font: inherit;
  font-size: .98rem;
  font-weight: 700;
  cursor: pointer;
}

.value-select-wrap select:focus-visible {
  outline: 3px solid rgba(225, 198, 144, .55);
  outline-offset: 3px;
}

.preview-disc [data-chip-value-layer] { pointer-events: none; }

.chip-feature-checks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

.inner-symbols-option {
  min-width: 0;
  min-height: 46px;
  padding: 7px 8px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 7px;
  color: var(--ink);
  background: rgba(255, 255, 255, .025);
  border: 1px solid var(--line-soft);
  font-size: .69rem;
  font-weight: 700;
  line-height: 1.18;
  cursor: pointer;
}

html[data-theme='light'] .inner-symbols-option { background: rgba(0, 70, 135, .025); }
.inner-symbols-option:hover { border-color: rgba(197, 164, 109, .58); }
.inner-symbols-option input {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin: 0;
  accent-color: var(--gold);
  cursor: pointer;
}
.preview-disc [data-chip-symbol-layer] { pointer-events: none; }

/* Compact, symmetrical export visual panel */
.export-panel {
  position: relative;
  z-index: 2;
  margin: 0 0 14px;
  padding: 16px;
  background: rgba(255, 255, 255, .025);
  border: 1px solid var(--line-soft);
}

html[data-theme='light'] .export-panel { background: rgba(0, 70, 135, .025); }

.export-panel-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.export-panel-heading h3 {
  margin: 4px 0 0;
  color: var(--ink);
  font-size: 1rem;
}

.export-selection {
  color: var(--gold-bright);
  font-size: .69rem;
  font-weight: 750;
  letter-spacing: .06em;
  text-align: right;
  text-transform: uppercase;
}

.export-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 11px;
}

.export-control-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.export-control-group-wide { grid-column: auto; }

.export-control-group legend {
  margin: 0 0 6px;
  padding: 0;
  color: var(--muted);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.export-choice-row {
  display: grid;
  align-items: stretch;
  gap: 6px;
}

.export-choice-row-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.export-choice-row-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.export-choice-row-backgrounds { grid-template-columns: repeat(6, minmax(0, 1fr)); }

.export-choice-row label {
  position: relative;
  min-width: 0;
  display: flex;
  cursor: pointer;
}

.export-choice-row input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.export-choice-row span {
  width: 100%;
  min-height: 40px;
  height: 40px;
  padding: 6px 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  color: var(--muted);
  background: rgba(255, 255, 255, .02);
  border: 1px solid var(--line-soft);
  font-size: clamp(.61rem, .72vw, .69rem);
  font-weight: 700;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease;
}

html[data-theme='light'] .export-choice-row span { background: rgba(0, 70, 135, .02); }
.export-choice-row label:hover span { transform: translateY(-1px); color: var(--ink); border-color: rgba(197, 164, 109, .55); }
.export-choice-row input:checked + span { color: var(--ink); background: rgba(197, 164, 109, .1); border-color: var(--gold); }
.export-choice-row input:focus-visible + span { outline: 3px solid rgba(225, 198, 144, .52); outline-offset: 2px; }

.export-download-group legend { color: var(--gold); }
.export-action-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}
.export-action-button {
  min-width: 0;
  min-height: 42px;
  padding: 7px 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--ink);
  background: rgba(197, 164, 109, .08);
  border: 1px solid var(--gold);
  font: inherit;
  font-size: .7rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
html[data-theme='light'] .export-action-button { background: rgba(197, 164, 109, .12); }
.export-action-button:hover { transform: translateY(-1px); background: rgba(197, 164, 109, .16); border-color: var(--gold-bright); }
.export-action-button:focus-visible { outline: 3px solid rgba(225, 198, 144, .52); outline-offset: 2px; }
.export-action-button:disabled { opacity: .55; cursor: wait; transform: none; }

.preview-stage[data-export-background='transparent'] {
  background-color: var(--panel-2);
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, .035) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, .035) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, .035) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, .035) 75%);
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  background-size: 24px 24px;
}

html[data-theme='light'] .preview-stage[data-export-background='transparent'] {
  background-color: #eef2f5;
  background-image:
    linear-gradient(45deg, rgba(0, 73, 134, .055) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0, 73, 134, .055) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0, 73, 134, .055) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0, 73, 134, .055) 75%);
}

.preview-stage[data-export-background='black'],
.preview-stage[data-export-background='beige'],
.preview-stage[data-export-background='burgundy'],
.preview-stage[data-export-background='dark-green'],
.preview-stage[data-export-background='dark-blue'] {
  background-image:
    radial-gradient(circle at 38% 25%, rgba(255, 255, 255, .11), transparent 43%),
    repeating-linear-gradient(18deg, rgba(255, 255, 255, .022) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(102deg, rgba(0, 0, 0, .032) 0 1px, transparent 1px 5px);
}

.preview-stage[data-export-background='dark-green'] { background-color: #0b4a35; }
.preview-stage[data-export-background='burgundy'] { background-color: #6d1831; }
.preview-stage[data-export-background='dark-blue'] { background-color: #102f54; }
.preview-stage[data-export-background='black'] { background-color: #111416; }
.preview-stage[data-export-background='beige'] { background-color: #c6ad84; }

.preview-disc:hover { transform: none; }
.preview-disc svg { transform: none; filter: none; }

@media (max-width: 980px) {
  .value-panel { grid-template-columns: 1fr; }
  .value-panel h2 { grid-column: auto; }
}

@media (max-width: 760px) {
  .value-panel { padding: 16px; }
  .chip-feature-checks { grid-template-columns: 1fr; }
  .inner-symbols-option { min-height: 40px; }
  .export-panel { padding: 14px; }
  .export-panel-heading { align-items: flex-start; flex-direction: column; }
  .export-selection { text-align: left; }
  .export-choice-row-backgrounds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 420px) {
  .export-action-row { grid-template-columns: 1fr; }
}

/* v12: coordinated face and chip-edge preview */
.preview-disc {
  aspect-ratio: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
}
.preview-disc [data-chip-svg] {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  display: block;
}
.preview-disc [data-chip-edge-svg] {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
  filter: drop-shadow(0 12px 12px rgba(0, 0, 0, .28));
}
.preview-disc[data-has-edge='true'] { padding-bottom: 10px; }
.preview-disc[data-has-edge='true'] [data-chip-svg] { filter: drop-shadow(0 0 16px rgba(0, 0, 0, .26)); }
.preview-stage:has(.preview-disc[data-has-edge='true'])::after { bottom: 34px; }

@media (max-width: 760px) {
  .preview-disc { gap: 13px; }
}


/* v18: physical-depth contour and optional glitter-ring control */
.preview-disc [data-chip-depth-layer],
.preview-disc [data-chip-glitter-layer] { pointer-events: none; }

.glitter-ring-option {
  grid-column: auto;
}

.glitter-ring-option span::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 8px;
  vertical-align: -1px;
  border-radius: 50%;
  background: conic-gradient(from 20deg, #d89916, #ffe274, #a87014, #f4bc2b, #fff0a3, #bd7d10, #d89916);
  box-shadow: 0 0 0 1px rgba(255,255,255,.18);
}

@media (max-width: 760px) {
  .glitter-ring-option { grid-column: auto; }
}

/* v19: uniform 360-degree chip contour and edge-touching glitter ring */


/* v20: silver glitter selector */
.glitter-ring-option-silver span::before {
  background: conic-gradient(from 20deg, #6f747d, #f6f8fb, #9da3ad, #ffffff, #c7cbd2, #777d87, #e8ebef, #6f747d);
  box-shadow: 0 0 0 1px rgba(255,255,255,.28);
}


/* v24: compact mobile live preview while choosing chip colours */
.mobile-chip-preview {
  display: none;
}

@media (max-width: 760px) {
  .mobile-chip-preview {
    position: fixed;
    right: 12px;
    bottom: 12px;
    z-index: 50;
    width: 112px;
    padding: 8px;
    box-sizing: border-box;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(.96);
    pointer-events: none;
    background: rgba(13, 18, 24, .94);
    border: 1px solid rgba(225, 198, 144, .62);
    box-shadow: 0 14px 34px rgba(0, 0, 0, .42);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
    backdrop-filter: blur(8px);
  }

  .mobile-chip-preview.is-visible {
    display: grid;
    gap: 5px;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
  }

  .mobile-chip-preview img {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    display: block;
    object-fit: contain;
  }

  .mobile-chip-preview-label {
    color: var(--gold-bright);
    font-size: .52rem;
    font-weight: 800;
    letter-spacing: .1em;
    line-height: 1;
    text-align: center;
    text-transform: uppercase;
  }

  .mobile-chip-preview strong {
    color: #fff;
    font-size: .65rem;
    line-height: 1;
    text-align: center;
  }

  .mobile-chip-preview[data-export-background='transparent'] {
    background-color: rgba(31, 37, 44, .96);
  }
  .mobile-chip-preview[data-export-background='black'] { background-color: rgba(17, 20, 22, .96); }
  .mobile-chip-preview[data-export-background='beige'] { background-color: rgba(145, 124, 90, .96); }
  .mobile-chip-preview[data-export-background='burgundy'] { background-color: rgba(80, 19, 37, .96); }
  .mobile-chip-preview[data-export-background='dark-green'] { background-color: rgba(7, 55, 39, .96); }
  .mobile-chip-preview[data-export-background='dark-blue'] { background-color: rgba(10, 37, 67, .96); }
}

@media (max-width: 380px) {
  .mobile-chip-preview {
    right: 9px;
    bottom: 9px;
    width: 98px;
    padding: 7px;
  }
}