:root {
  --mod-bg: #f3f4f7;
  --mod-surface: rgba(255, 255, 255, 0.86);
  --mod-surface-strong: #ffffff;
  --mod-panel: rgba(248, 249, 252, 0.94);
  --mod-text: #17181b;
  --mod-muted: #68707f;
  --mod-line: rgba(23, 24, 27, 0.1);
  --mod-line-strong: rgba(23, 24, 27, 0.16);
  --mod-accent: #111218;
  --mod-accent-soft: #eceff6;
  --mod-success: #106645;
  --mod-error: #b12a2a;
  --mod-shadow: 0 30px 90px rgba(17, 18, 24, 0.12);
  --mod-shadow-soft: 0 16px 40px rgba(17, 18, 24, 0.08);
  --mod-radius-xl: 34px;
  --mod-radius-lg: 24px;
  --mod-radius-md: 18px;
  --mod-radius-sm: 12px;
  --mod-max-width: 1480px;
  --site-header-max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.modulator-body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--mod-text);
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.95), transparent 28%),
    linear-gradient(180deg, #fafbfc 0%, #edf0f5 100%);
}

body.modulator-body.quote-open {
  overflow: hidden;
}

body.modulator-body.menu-open {
  overflow: hidden;
  height: 100dvh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 16px max(40px, calc((100vw - var(--site-header-max-width)) / 2 + 20px));
  margin: 0;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(47, 50, 56, 0.1);
  box-shadow: 0 6px 24px rgba(47, 50, 56, 0.04);
  transition:
    padding 0.3s ease,
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.brand-word {
  letter-spacing: 0.22em;
  font-size: 1.15rem;
  font-weight: 800;
}

.site-nav {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-self: center;
}

.site-nav a {
  position: relative;
  color: #6e6e73;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.25s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:hover {
  color: #1d1d1f;
}

.site-nav a.active {
  color: #1d1d1f;
  font-weight: 700;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  min-height: 46px;
  padding: 0 28px;
  margin: 0;
  background: #1d1d1f;
  color: #ffffff;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(29, 29, 31, 0.18);
  transition:
    background 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.header-cta:hover {
  background: #3a3c42;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(29, 29, 31, 0.22);
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0;
  appearance: none;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  margin: 5px 0;
  background: var(--mod-text);
}

.mod-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
  padding: 18px max(24px, calc((100vw - var(--mod-max-width)) / 2 + 12px));
  backdrop-filter: blur(18px);
  background: rgba(250, 251, 252, 0.88);
  border-bottom: 1px solid rgba(23, 24, 27, 0.08);
}

.mod-brand {
  flex: 0 0 auto;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.mod-nav {
  display: flex;
  gap: 22px;
  align-items: center;
  justify-content: center;
  flex: 1 1 auto;
  min-width: 0;
}

.mod-nav a {
  color: var(--mod-muted);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.mod-nav a:hover,
.mod-nav a.active {
  color: var(--mod-text);
}

.mod-topbar-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--mod-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 24px rgba(17, 18, 24, 0.08);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.mod-topbar-cta:hover {
  transform: translateY(-1px);
  background: var(--mod-surface-strong);
  border-color: var(--mod-line-strong);
}

.mod-shell {
  width: min(calc(100% - 32px), var(--mod-max-width));
  margin: 0 auto;
  padding: 88px 0 40px;
}

.mod-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 28px;
}

.mod-hero > div,
.mod-hero-card {
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--mod-radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(247, 248, 251, 0.94));
  box-shadow: var(--mod-shadow-soft);
}

.mod-eyebrow {
  margin: 0 0 14px;
  color: var(--mod-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mod-hero h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(2.6rem, 5vw, 4.7rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

.mod-lead {
  max-width: 62ch;
  margin: 18px 0 0;
  color: var(--mod-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.mod-hero-card {
  display: grid;
  align-content: end;
  gap: 14px;
}

.mod-hero-card span {
  color: var(--mod-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mod-hero-card p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.65;
}

.modulator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(360px, 0.75fr);
  gap: 22px;
  align-items: start;
}

.viewer-panel,
.config-panel {
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--mod-radius-xl);
  background: var(--mod-surface);
  box-shadow: var(--mod-shadow);
  backdrop-filter: blur(12px);
}

.viewer-panel {
  position: sticky;
  top: 102px;
  padding: 24px;
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.viewer-badges,
.viewer-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.viewer-actions [data-view-preset="front"],
.viewer-actions [data-view-preset="top"] {
  display: none;
}

.viewer-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(17, 18, 24, 0.92);
  color: #f7f8fb;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.viewer-badge-muted {
  background: rgba(17, 18, 24, 0.06);
  color: var(--mod-text);
}

.viewer-tool,
.viewer-control,
.secondary-action,
.primary-cta,
.segment,
.choice-card,
.color-pill,
.range-controls button,
.step-nav button,
.quote-close,
.panel-handle {
  min-height: 44px;
}

.viewer-tool,
.viewer-control,
.secondary-action,
.range-controls button,
.step-nav button,
.quote-close {
  border: 1px solid var(--mod-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--mod-text);
  transition:
    background 0.2s ease,
    transform 0.2s ease,
    border-color 0.2s ease;
}

.viewer-tool:hover,
.viewer-control:hover,
.secondary-action:hover,
.range-controls button:hover,
.step-nav button:hover,
.quote-close:hover,
.panel-handle:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.98);
  border-color: var(--mod-line-strong);
}

.viewer-tool {
  padding: 0 16px;
  font-size: 0.84rem;
  font-weight: 700;
}

.viewer-stage {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  border-radius: 30px;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 12%, rgba(241, 245, 251, 0.96), rgba(206, 215, 227, 0.92) 42%, rgba(170, 181, 196, 0.98) 100%),
    linear-gradient(180deg, #e4eaf2 0%, #adb8c8 100%);
  border: 1px solid rgba(23, 24, 27, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    inset 0 -18px 46px rgba(59, 72, 89, 0.08);
}

.viewer-stage::before,
.viewer-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.viewer-stage::before {
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, 0.32), transparent 34%),
    radial-gradient(circle at 50% 110%, rgba(74, 84, 100, 0.12), transparent 44%);
  z-index: 0;
}

.viewer-stage::after {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent 14%, transparent 84%, rgba(24, 27, 33, 0.08)),
    radial-gradient(circle at 50% 50%, transparent 52%, rgba(32, 39, 48, 0.08) 100%);
  z-index: 2;
}

#scene-canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  outline: none;
  touch-action: none;
  position: relative;
  z-index: 1;
}

#measurement-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}

.measurement-label {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(23, 24, 27, 0.06);
  box-shadow: 0 4px 10px rgba(17, 18, 24, 0.05);
  color: rgba(23, 24, 27, 0.9);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: none;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  backdrop-filter: blur(6px);
}

.measurement-label[data-measurement="height"] {
  min-width: 62px;
  transform: translate(-50%, -50%) rotate(-90deg);
}

.measurement-label.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.viewer-hud {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(44px, auto));
  gap: 8px;
  width: min-content;
  z-index: 20;
  pointer-events: auto;
}

.viewer-hud [data-camera-action="rotate-left"],
.viewer-hud [data-camera-action="rotate-right"],
.viewer-hud [data-camera-action="pan-up"],
.viewer-hud [data-camera-action="pan-left"],
.viewer-hud [data-camera-action="pan-right"],
.viewer-hud [data-camera-action="pan-down"] {
  display: none;
}

.viewer-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  font-weight: 700;
  position: relative;
  z-index: 1;
  pointer-events: auto;
  touch-action: manipulation;
  cursor: pointer;
}

.viewer-control-wide {
  grid-column: span 2;
}

.viewer-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.viewer-summary > div {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(23, 24, 27, 0.08);
}

.summary-kicker {
  display: inline-block;
  margin: 0;
  color: var(--mod-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.viewer-summary strong {
  display: inline-block;
  font-size: 0.92rem;
  line-height: 1.2;
}

.summary-price-pill {
  background: var(--mod-accent) !important;
  color: #fff;
  border-color: transparent !important;
}

.summary-price-pill .summary-kicker {
  color: rgba(255, 255, 255, 0.6);
}

.summary-price-pill strong {
  color: #fff;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.price-disclaimer {
  margin: 8px 0 0;
  padding: 0 4px;
  font-size: 0.68rem;
  color: var(--mod-muted);
  line-height: 1.4;
}

.warning-stack {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.warning-stack:empty {
  display: none;
  margin-top: 0;
}

.warning-card {
  padding: 14px 16px;
  border-radius: var(--mod-radius-md);
  background: rgba(255, 245, 219, 0.9);
  border: 1px solid rgba(163, 121, 9, 0.18);
  color: #6b4b04;
  font-size: 0.92rem;
  line-height: 1.55;
}

.warning-card.is-soft {
  background: rgba(240, 244, 255, 0.9);
  border-color: rgba(46, 94, 195, 0.16);
  color: #28437e;
}

.config-panel {
  position: sticky;
  top: 102px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  padding: 18px;
  min-height: 720px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(246, 248, 251, 0.92));
  border-color: rgba(255, 255, 255, 0.82);
  box-shadow:
    0 30px 80px rgba(17, 18, 24, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.panel-handle {
  display: none;
  width: 100%;
  align-items: center;
  gap: 14px;
  justify-content: center;
  padding: 10px 18px;
  margin-bottom: 12px;
  border: 1px solid var(--mod-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
}

.panel-handle span {
  display: inline-block;
  width: 38px;
  height: 5px;
  border-radius: 999px;
  background: rgba(23, 24, 27, 0.16);
}

.panel-summary-card {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 16px;
  margin-bottom: 14px;
  border-radius: var(--mod-radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(246, 248, 251, 0.94));
  border: 1px solid rgba(23, 24, 27, 0.08);
}

.panel-summary-card span {
  display: block;
  margin-bottom: 6px;
  color: var(--mod-muted);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.panel-summary-card strong {
  display: block;
  font-size: 1rem;
  line-height: 1.35;
}

.step-nav {
  position: relative;
  z-index: 3;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px;
  margin-bottom: 16px;
  border: 1px solid rgba(23, 24, 27, 0.08);
  border-radius: var(--mod-radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 249, 252, 0.96));
  box-shadow: 0 10px 24px rgba(17, 18, 24, 0.045);
}

.step-nav button {
  flex: 1 1 calc(50% - 4px);
  min-width: 0;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.98);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.step-nav button.active,
.segment.active,
.choice-card.active,
.color-pill.active {
  background: rgba(17, 18, 24, 0.95);
  color: #f8f9fc;
  border-color: rgba(17, 18, 24, 0.95);
  box-shadow: 0 16px 28px rgba(17, 18, 24, 0.18);
}

.panel-scroll {
  position: relative;
  z-index: 1;
  min-height: 0;
  padding: 8px 8px 0 0;
  overflow: auto;
}

.panel-scroll::-webkit-scrollbar {
  width: 8px;
}

.panel-scroll::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(23, 24, 27, 0.16);
}

.config-step + .config-step {
  margin-top: 20px;
}

.config-step {
  padding: 20px;
  border-radius: var(--mod-radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(247, 249, 252, 0.92));
  border: 1px solid rgba(23, 24, 27, 0.07);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 10px 24px rgba(17, 18, 24, 0.035);
}

.step-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.step-heading h2 {
  margin: 0;
  font-size: clamp(1.35rem, 1.5vw, 1.7rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.info-button {
  flex: 0 0 auto;
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  padding: 0;
  border: 1px solid var(--mod-line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  color: var(--mod-text);
  font-weight: 800;
}

.step-copy {
  display: none;
}

.segmented,
.segmented-small {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

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

.segmented-small {
  grid-template-columns: repeat(2, minmax(0, auto));
  justify-content: end;
}

.segment {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--mod-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--mod-text);
  font-size: 0.85rem;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.toggle-card,
.action-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  margin-top: 18px;
  border-radius: var(--mod-radius-md);
  background:
    linear-gradient(180deg, rgba(250, 251, 253, 0.98), rgba(243, 246, 250, 0.92));
  border: 1px solid rgba(23, 24, 27, 0.07);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.toggle-card strong,
.action-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.96rem;
}

.toggle-card p,
.action-card p {
  margin: 0;
  color: var(--mod-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

#step-roof .action-card p,
#step-glazing .action-card p,
#step-summary .toggle-card p {
  display: none;
}

.secondary-action,
.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    opacity 0.2s ease;
}

.secondary-action {
  border: 1px solid var(--mod-line);
  background: rgba(255, 255, 255, 0.92);
}

.secondary-action:disabled {
  opacity: 0.52;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.secondary-action:disabled:hover {
  transform: none;
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--mod-line);
}

.primary-cta {
  border: 1px solid rgba(17, 18, 24, 0.92);
  background: rgba(17, 18, 24, 0.96);
  color: #f8f9fc;
  box-shadow: 0 18px 34px rgba(17, 18, 24, 0.22);
}

.primary-cta:hover,
.secondary-action:hover {
  transform: translateY(-1px);
}

.primary-cta:disabled {
  opacity: 0.54;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.range-group {
  margin-top: 18px;
}

.range-group.is-hidden {
  display: none;
}

.range-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.range-header span {
  color: var(--mod-muted);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.range-header strong {
  font-size: 1rem;
}

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

.range-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: 12px;
}

.range-controls button {
  min-width: 80px;
  padding: 0 16px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.range-controls input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--mod-line);
  border-radius: var(--mod-radius-sm);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.76);
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  margin-top: 18px;
}

.color-section-label {
  margin-top: 18px;
  color: var(--mod-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.color-section-label + .color-grid {
  margin-top: 10px;
}

.color-section-label-secondary {
  margin-top: 16px;
}

.color-grid-clickitup {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 12px;
}

.color-pill {
  display: grid;
  gap: 8px;
  justify-items: center;
  padding: 12px 8px;
  border: 1px solid var(--mod-line);
  border-radius: var(--mod-radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.94));
  font-weight: 700;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.color-pill span:last-child {
  font-size: 0.72rem;
  letter-spacing: 0.01em;
  text-align: center;
  line-height: 1.2;
}

.swatch {
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, 0.1),
    0 8px 16px rgba(17, 18, 24, 0.12);
}

.swatch.ral7043 {
  background: radial-gradient(circle at 32% 28%, #9da3ae, #5f6673 68%, #404651 100%);
}

.swatch.ral8017 {
  background: radial-gradient(circle at 32% 28%, #7f665a, #4f382f 60%, #2f1d17 100%);
}

.swatch.ral9005 {
  background: radial-gradient(circle at 32% 28%, #646b75, #242830 56%, #0f1116 100%);
}

.swatch.ral9006 {
  background: radial-gradient(circle at 32% 28%, #f5f7fb, #cfd7e2 54%, #8e97a4 100%);
}

.swatch.ral1013 {
  background: radial-gradient(circle at 32% 28%, #fbf4e8, #e9dcc6 58%, #b9a88c 100%);
}

.swatch.ral9016 {
  background: radial-gradient(circle at 32% 28%, #ffffff, #f1f4f8 52%, #c7d0dc 100%);
}

.swatch.ral9006::after,
.swatch.ral1013::after,
.swatch.ral9016::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  border: 1px solid rgba(126, 138, 156, 0.3);
}

.choice-cards {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.choice-card {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--mod-line);
  border-radius: var(--mod-radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 249, 252, 0.92));
  text-align: left;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 10px 24px rgba(17, 18, 24, 0.035);
}

.model-card {
  gap: 14px;
  padding: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 248, 252, 0.95));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    0 14px 32px rgba(17, 18, 24, 0.045);
}

.model-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1.42 / 1;
  object-fit: contain;
  padding: 14px 16px 18px;
  border-radius: calc(var(--mod-radius-md) - 6px);
  background: #ffffff;
  border: 1px solid rgba(23, 24, 27, 0.045);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 18px 28px rgba(20, 28, 40, 0.05);
  filter:
    saturate(1.02)
    contrast(1.02)
    drop-shadow(0 14px 14px rgba(30, 36, 46, 0.08));
}

.model-card strong {
  font-size: 1.03rem;
  line-height: 1.2;
  letter-spacing: -0.024em;
}

.model-card:hover {
  transform: translateY(-3px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 20px 40px rgba(17, 18, 24, 0.08);
}

.model-card.active {
  background: rgba(17, 18, 24, 0.95);
  border-color: rgba(17, 18, 24, 0.94);
  box-shadow:
    0 20px 42px rgba(17, 18, 24, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.model-card.active img {
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 12px 20px rgba(0, 0, 0, 0.14);
  filter:
    saturate(1.03)
    contrast(1.04)
    drop-shadow(0 16px 18px rgba(0, 0, 0, 0.12));
}

.model-card.active strong {
  color: #f7f8fb;
}

.roof-system-card {
  gap: 10px;
}

.choice-card strong {
  font-size: 1rem;
}

.choice-card span {
  color: var(--mod-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

#step-glazing .choice-card span {
  display: none;
}

.segment.is-disabled,
.segment:disabled,
.choice-card.is-disabled,
.choice-card:disabled {
  opacity: 0.46;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.segment.is-disabled:hover,
.segment:disabled:hover,
.choice-card.is-disabled:hover,
.choice-card:disabled:hover {
  transform: none;
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--mod-line);
}

.summary-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.summary-list-item {
  display: grid;
  gap: 6px;
  align-content: start;
  min-height: 94px;
  padding: 16px 18px;
  border-radius: var(--mod-radius-md);
  background: rgba(244, 246, 250, 0.94);
  border: 1px solid rgba(23, 24, 27, 0.08);
}

.summary-list-item span {
  display: block;
  color: var(--mod-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.summary-list-item strong {
  display: block;
  font-size: 1rem;
  line-height: 1.4;
}

.summary-lines {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.summary-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.summary-line strong,
.summary-line span {
  display: inline;
}

.summary-line strong {
  color: var(--mod-text);
  font-size: 0.84rem;
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.summary-line span {
  color: var(--mod-text);
  font-size: 0.98rem;
  line-height: 1.45;
  font-weight: 600;
}

.summary-divider {
  border: none;
  border-top: 1px solid var(--mod-line);
  margin: 4px 0;
}

.summary-line-total {
  padding: 10px 12px;
  border-radius: var(--mod-radius-sm);
  background: var(--mod-accent);
}

.summary-line-total strong,
.summary-line-total span {
  color: #fff;
}

.summary-line-total span {
  font-size: 1.08rem;
}

.panel-footer {
  position: sticky;
  bottom: 0;
  z-index: 2;
  padding-top: 14px;
  padding-bottom: 4px;
  background: linear-gradient(180deg, rgba(243, 244, 247, 0), rgba(243, 244, 247, 0.92) 22%, rgba(243, 244, 247, 1) 100%);
  backdrop-filter: blur(8px);
}

.panel-footer-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 0 12px;
}

.panel-footer-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(23, 24, 27, 0.07);
  color: var(--mod-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-footnote {
  margin: 0 0 12px;
  color: rgba(23, 24, 27, 0.86);
  font-size: 0.88rem;
  line-height: 1.42;
}

.panel-footer .primary-cta {
  width: 100%;
}

.info-toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  z-index: 40;
  min-width: min(520px, calc(100vw - 32px));
  max-width: min(620px, calc(100vw - 32px));
  padding: 16px 20px;
  border-radius: 18px;
  background: rgba(17, 18, 24, 0.96);
  color: #f8f9fc;
  box-shadow: 0 18px 40px rgba(17, 18, 24, 0.28);
  font-size: 0.92rem;
  line-height: 1.6;
  transform: translate(-50%, 0);
}

.quote-modal[hidden],
.info-toast[hidden] {
  display: none;
}

.quote-modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: start center;
  padding: 16px;
  overflow: auto;
}

.quote-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 18, 24, 0.46);
  backdrop-filter: blur(8px);
}

.quote-modal-card {
  position: relative;
  display: grid;
  gap: 18px;
  width: min(1080px, calc(100vw - 32px));
  max-height: min(980px, calc(100dvh - 32px));
  margin: 0;
  padding: 24px;
  overflow: auto;
  border-radius: 28px;
  background: rgba(248, 249, 252, 0.98);
  box-shadow: 0 40px 90px rgba(17, 18, 24, 0.34);
}

.quote-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 48px;
  padding: 0;
  border-radius: 50%;
  font-size: 1.6rem;
}

.quote-modal-header h2 {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.quote-modal-header p:last-child {
  margin: 14px 0 0;
  max-width: 60ch;
  color: var(--mod-muted);
  line-height: 1.65;
}

.quote-preview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.quote-preview-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(23, 24, 27, 0.08);
}

.quote-preview-card > span {
  display: block;
  margin-bottom: 12px;
  color: var(--mod-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.locked-config-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.locked-config-summary .summary-list-item {
  min-height: 0;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(244, 246, 250, 0.78);
}

.locked-config-summary .summary-list-item strong {
  font-size: 0.95rem;
  line-height: 1.35;
}

.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.snapshot-item {
  overflow: hidden;
  border-radius: 18px;
  background: rgba(244, 246, 250, 1);
  border: 1px solid rgba(23, 24, 27, 0.08);
}

.snapshot-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.snapshot-caption {
  padding: 10px 12px 12px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quote-request-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.quote-request-form label {
  display: grid;
  gap: 10px;
  font-weight: 700;
}

.quote-request-form input[type="text"],
.quote-request-form input[type="email"],
.quote-request-form input[type="tel"],
.quote-request-form textarea {
  width: 100%;
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid rgba(23, 24, 27, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--mod-text);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.quote-request-form textarea {
  min-height: 140px;
  padding: 14px 16px;
  resize: vertical;
}

.quote-request-form input:focus,
.quote-request-form textarea:focus {
  outline: none;
  border-color: rgba(17, 18, 24, 0.34);
  box-shadow: 0 0 0 3px rgba(17, 18, 24, 0.08);
}

.quote-request-form label.is-invalid input,
.quote-request-form label.is-invalid textarea,
.quote-request-form label.is-invalid .checkbox-card {
  border-color: rgba(177, 42, 42, 0.72);
  box-shadow: 0 0 0 3px rgba(177, 42, 42, 0.12);
}

.quote-request-form label.is-invalid.checkbox-row-policy {
  border-color: rgba(177, 42, 42, 0.72);
  box-shadow: 0 0 0 3px rgba(177, 42, 42, 0.12);
}

.form-span {
  grid-column: 1 / -1;
}

.checkbox-row {
  align-items: start;
}

.checkbox-row-policy {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  border: 1px solid rgba(23, 24, 27, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
}

.checkbox-row-policy input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.checkbox-row-policy span {
  color: var(--mod-muted);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.6;
}

.gdpr-copy {
  margin: 0;
  color: var(--mod-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.gdpr-copy a {
  text-decoration: underline;
}

.quote-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.quote-form-status {
  min-height: 1.6em;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
}

.quote-form-status.is-success {
  color: var(--mod-success);
}

.quote-form-status.is-error {
  color: var(--mod-error);
}

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

@media (max-width: 1180px) {
  .mod-hero {
    grid-template-columns: 1fr;
  }

  .modulator-layout {
    grid-template-columns: 1fr;
  }

  .viewer-panel,
  .config-panel {
    position: relative;
    top: auto;
  }
}

@media (min-width: 981px) {
  html,
  body.modulator-body {
    height: 100dvh;
  }

  body.modulator-body {
    overflow: hidden;
  }

  .mod-shell {
    height: 100dvh;
    padding: 84px 0 12px;
    overflow: hidden;
  }

  .modulator-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.75fr);
    height: 100%;
    min-height: 0;
    align-items: stretch;
  }

  .viewer-panel,
  .config-panel {
    position: relative;
    top: auto;
    height: 100%;
    max-height: 100%;
    min-height: 0;
  }

  .viewer-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    gap: 14px;
    overflow: hidden;
  }

  .viewer-toolbar,
  .viewer-summary {
    margin: 0;
  }

  .viewer-stage,
  #scene-canvas {
    min-height: 0;
    height: 100%;
  }

  .config-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    overflow: hidden;
  }

  .panel-scroll {
    min-height: 0;
    height: 100%;
    overflow: auto;
    overscroll-behavior: contain;
  }
}

@media (min-width: 1181px) {
  .modulator-layout {
    height: 100%;
    min-height: 0;
    align-items: stretch;
  }

  .viewer-panel,
  .config-panel {
    position: relative;
    top: auto;
    height: 100%;
    max-height: 100%;
    min-height: 0;
  }

  .viewer-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    gap: 14px;
    overflow: hidden;
  }

  .viewer-toolbar,
  .viewer-summary {
    margin: 0;
  }

  .viewer-stage,
  #scene-canvas {
    min-height: 0;
    height: 100%;
  }

  .viewer-summary > div {
    padding: 16px;
  }

  .config-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    overflow: hidden;
  }

  .panel-summary-card,
  .step-nav {
    margin-bottom: 12px;
  }

  .panel-scroll {
    min-height: 0;
    height: 100%;
    overflow: auto;
    overscroll-behavior: contain;
  }
}

@media (min-width: 821px) and (max-height: 980px) {
  .mod-shell {
    padding-top: 16px;
    padding-bottom: 20px;
  }

  .mod-hero {
    display: none;
  }

  .modulator-layout {
    min-height: calc(100dvh - 112px);
    align-items: stretch;
  }

  .viewer-panel,
  .config-panel {
    top: 92px;
    height: calc(100dvh - 108px);
    max-height: calc(100dvh - 108px);
  }

  .viewer-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    gap: 12px;
    padding: 18px;
    overflow: hidden;
  }

  .viewer-toolbar {
    margin-bottom: 0;
  }

  .viewer-stage {
    min-height: 0;
    height: 100%;
  }

  #scene-canvas {
    min-height: 0;
  }

  .viewer-summary {
    margin-top: 0;
  }

  .viewer-summary > div {
    padding: 14px 16px;
  }

  .config-panel {
    overflow: hidden;
  }

  .panel-summary-card,
  .step-nav {
    margin-bottom: 12px;
  }

  .panel-scroll {
    min-height: 0;
    overflow: auto;
    overscroll-behavior: contain;
  }
}

@media (max-width: 980px) {
  .modulator-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .mod-topbar {
    gap: 16px;
    flex-wrap: wrap;
  }

  .mod-nav {
    order: 3;
    flex: 1 0 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .viewer-stage {
    min-height: 560px;
  }

  .viewer-panel,
  .config-panel {
    position: relative;
    top: auto;
    height: auto;
    max-height: none;
  }

  .config-panel {
    display: block;
    min-height: 0;
  }

  .quote-preview-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 1100px) {
  .mod-shell {
    width: min(calc(100% - 16px), var(--mod-max-width));
    padding-top: 92px;
    padding-bottom: 40px;
  }

  .site-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
  }

  .site-header.menu-open {
    z-index: 70;
  }

  .header-cta {
    margin: 0;
    margin-left: auto;
    min-height: 44px;
    padding: 0 20px;
    border-radius: 999px;
    order: 3;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
    position: relative;
    z-index: 72;
    order: 2;
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(29, 29, 31, 0.08);
    background: rgba(255, 255, 255, 0.9);
  }

  .nav-toggle::before,
  .nav-toggle span {
    content: "";
    position: absolute;
    left: 11px;
    width: 20px;
    height: 2px;
    margin: 0;
    border-radius: 999px;
    background: var(--mod-text);
    transition:
      transform 0.28s ease,
      opacity 0.2s ease,
      top 0.28s ease;
  }

  .nav-toggle::before {
    top: 14px;
  }

  .nav-toggle span:first-child {
    top: 21px;
  }

  .nav-toggle span:last-child {
    top: 28px;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 104px 28px 40px;
    background: #ffffff;
    backdrop-filter: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(100%);
    transition:
      transform 0.32s ease,
      opacity 0.2s ease,
      visibility 0.2s ease;
    z-index: 71;
    overflow: hidden;
    will-change: transform;
  }

  .site-nav::before {
    content: none;
  }

  .site-nav a {
    width: 100%;
    display: flex;
    align-items: center;
    min-height: 64px;
    padding: 14px 0;
    font-size: clamp(1.25rem, 4.8vw, 1.65rem);
    letter-spacing: 0.03em;
    border-bottom: 1px solid rgba(29, 29, 31, 0.08);
    color: #1d1d1f;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav a:last-of-type {
    border-bottom: 0;
  }

  .site-header.menu-open .site-nav {
    pointer-events: auto;
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
  }

  .site-header.menu-open .nav-toggle {
    position: fixed;
    top: 16px;
    right: 24px;
    z-index: 73;
    background: #ffffff;
    border-color: rgba(29, 29, 31, 0.12);
    box-shadow: 0 10px 24px rgba(29, 29, 31, 0.08);
  }

  .site-header.menu-open .nav-toggle::before {
    opacity: 0;
  }

  .site-header.menu-open .nav-toggle span:first-child {
    top: 21px;
    transform: rotate(45deg);
  }

  .site-header.menu-open .nav-toggle span:last-child {
    top: 21px;
    transform: rotate(-45deg);
  }

  .site-header.menu-open .brand,
  .site-header.menu-open .header-cta {
    opacity: 0;
    pointer-events: none;
  }

  .mod-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
  }

  .mod-nav {
    display: none;
  }

  .mod-brand {
    min-width: 0;
    font-size: 0.84rem;
  }

  .mod-topbar-cta {
    min-height: 44px;
    padding: 0 16px;
    font-size: 0.72rem;
    justify-self: end;
  }

  .modulator-layout {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .viewer-panel {
    position: sticky;
    top: 72px;
    z-index: 16;
    padding: 14px;
  }

  .viewer-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 8px;
    margin-bottom: 12px;
  }

  .viewer-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    min-width: 0;
  }

  .viewer-actions {
    display: inline-flex;
    width: auto;
    gap: 0;
  }

  .viewer-actions [data-view-preset="front"],
  .viewer-actions [data-view-preset="top"] {
    display: none;
  }

  .viewer-tool {
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.72rem;
  }

  .viewer-badge {
    min-height: 30px;
    padding: 0 10px;
    font-size: 0.68rem;
  }

  .viewer-stage {
    min-height: clamp(300px, 58vw, 420px);
    max-height: 420px;
    aspect-ratio: 1 / 0.8;
    border-radius: 24px;
  }

  .viewer-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
  }

  .viewer-summary > div {
    padding: 8px 12px;
  }

  .viewer-hud {
    right: 12px;
    bottom: 12px;
    grid-template-columns: repeat(2, 42px);
    gap: 8px;
  }

  .viewer-hud [data-camera-action="rotate-left"],
  .viewer-hud [data-camera-action="rotate-right"],
  .viewer-hud [data-camera-action="pan-up"],
  .viewer-hud [data-camera-action="pan-left"],
  .viewer-hud [data-camera-action="pan-right"],
  .viewer-hud [data-camera-action="pan-down"],
  .viewer-hud [data-camera-action="reset"] {
    display: none;
  }

  .measurement-label {
    min-width: 52px;
    min-height: 22px;
    padding: 0 7px;
    font-size: 0.58rem;
  }

  .measurement-label[data-measurement="height"] {
    min-width: 56px;
  }

  .config-panel {
    position: relative;
    display: block;
    left: auto;
    right: auto;
    bottom: auto;
    top: auto;
    z-index: auto;
    min-height: 0;
    max-height: none;
    padding: 0;
    grid-template-rows: none;
    box-shadow: none;
    backdrop-filter: none;
    background: transparent;
    border: 0;
  }

  .panel-handle {
    display: none;
  }

  .panel-scroll {
    padding-right: 0;
    overflow: visible;
  }

  .config-step {
    padding: 16px;
    border-radius: 20px;
    scroll-margin-top: calc(72px + clamp(300px, 58vw, 420px) + 18px);
  }

  .config-step + .config-step {
    margin-top: 12px;
  }

  .step-heading {
    gap: 10px;
  }

  .step-heading h2 {
    font-size: 1.2rem;
  }

  .info-button {
    width: 38px;
    min-height: 38px;
  }

  .step-copy {
    margin-top: 10px;
    font-size: 0.9rem;
    line-height: 1.55;
  }

  .toggle-card,
  .action-card,
  .summary-list,
  .range-controls {
    grid-template-columns: 1fr;
  }

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

  .segmented-small {
    justify-content: start;
  }

  .range-group {
    margin-top: 16px;
  }

  .model-grid,
  .color-grid,
  .color-grid-clickitup {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    overflow-x: auto;
    padding-bottom: 4px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }

  .model-grid::-webkit-scrollbar,
  .color-grid::-webkit-scrollbar,
  .color-grid-clickitup::-webkit-scrollbar {
    display: none;
  }

  .model-grid {
    grid-auto-columns: minmax(210px, 68vw);
  }

  .color-grid {
    grid-auto-columns: minmax(82px, 16vw);
  }

  .color-grid-clickitup {
    grid-auto-columns: minmax(168px, 38vw);
  }

  .model-card,
  .color-pill {
    scroll-snap-align: start;
  }

  .panel-footer {
    position: static;
    margin-top: 14px;
    padding-bottom: 0;
    background: none;
    backdrop-filter: none;
  }

  .panel-footnote {
    margin-top: 0;
  }
}

@media (min-width: 1101px) and (max-width: 1180px) {
  .model-grid,
  .color-grid,
  .color-grid-clickitup {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    overflow-x: auto;
    padding-bottom: 4px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }

  .model-grid::-webkit-scrollbar,
  .color-grid::-webkit-scrollbar,
  .color-grid-clickitup::-webkit-scrollbar {
    display: none;
  }

  .model-grid {
    grid-auto-columns: minmax(220px, 38vw);
  }

  .color-grid {
    grid-auto-columns: minmax(104px, 16vw);
  }

  .color-grid-clickitup {
    grid-auto-columns: minmax(180px, 24vw);
  }

  .model-card,
  .color-pill {
    scroll-snap-align: start;
  }
}

@media (max-width: 820px) {
  .modulator-layout {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .mod-shell {
    width: min(calc(100% - 20px), var(--mod-max-width));
    padding-top: 92px;
    padding-bottom: 48px;
  }

  .mod-hero {
    display: none;
  }

  .mod-topbar {
    padding: 14px 16px;
  }

  .mod-nav {
    display: none;
  }

  .mod-topbar-cta {
    min-height: 44px;
    padding: 0 16px;
    font-size: 0.72rem;
  }

  .mod-hero > div,
  .mod-hero-card {
    padding: 24px 20px;
    border-radius: 26px;
  }

  .mod-hero h1 {
    max-width: none;
    font-size: clamp(2.2rem, 10vw, 3.2rem);
  }

  .viewer-panel {
    position: sticky;
    top: 72px;
    z-index: 16;
    padding: 16px;
  }

  .viewer-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
  }

  .viewer-actions {
    display: inline-flex;
    width: auto;
  }

  .viewer-actions [data-view-preset="front"],
  .viewer-actions [data-view-preset="top"] {
    display: none;
  }

  .viewer-stage {
    min-height: clamp(300px, 72vw, 380px);
    aspect-ratio: 1 / 0.86;
    border-radius: 24px;
  }

  .viewer-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
  }

  .viewer-summary > div {
    padding: 6px 10px;
  }

  .viewer-summary .summary-kicker {
    font-size: 0.58rem;
  }

  .viewer-summary strong {
    font-size: 0.78rem;
  }

  .viewer-hud {
    right: 12px;
    bottom: 12px;
    grid-template-columns: repeat(2, 44px);
    gap: 8px;
  }

  .viewer-hud [data-camera-action="rotate-left"],
  .viewer-hud [data-camera-action="rotate-right"],
  .viewer-hud [data-camera-action="pan-up"],
  .viewer-hud [data-camera-action="pan-left"],
  .viewer-hud [data-camera-action="pan-right"],
  .viewer-hud [data-camera-action="pan-down"],
  .viewer-hud [data-camera-action="reset"] {
    display: none;
  }

  .config-panel {
    position: relative;
    display: block;
    left: auto;
    right: auto;
    bottom: auto;
    top: auto;
    z-index: auto;
    min-height: 0;
    max-height: none;
    padding: 0;
    grid-template-rows: none;
    box-shadow: none;
    backdrop-filter: none;
    background: transparent;
    border: 0;
  }

  .config-panel:not(.is-expanded) {
    max-height: none;
  }

  .config-panel:not(.is-expanded) .step-nav,
  .config-panel:not(.is-expanded) .panel-scroll {
    display: block;
  }

  .panel-handle {
    display: none;
  }

  .panel-scroll {
    padding-right: 0;
    overflow: visible;
  }

  .config-step {
    padding: 18px 16px;
    scroll-margin-top: calc(72px + clamp(300px, 72vw, 380px) + 18px);
  }

  .step-heading,
  .toggle-card,
  .action-card {
    grid-template-columns: 1fr;
  }

  .segmented,
  .summary-list,
  .range-controls {
    grid-template-columns: 1fr;
  }

  .segmented-small {
    justify-content: start;
  }

  .range-controls button {
    min-width: 0;
  }

  .quote-modal-card {
    width: calc(100vw - 20px);
    margin: 0;
    padding: 20px;
    border-radius: 24px;
  }

  .snapshot-grid,
  .quote-request-form {
    grid-template-columns: 1fr;
  }

  .locked-config-summary {
    grid-template-columns: 1fr;
  }

  .quote-form-actions {
    flex-direction: column-reverse;
  }
}

@media (max-width: 560px) {
  .viewer-stage {
    min-height: clamp(280px, 74vw, 330px);
    aspect-ratio: 1 / 0.9;
  }

  .viewer-hud {
    right: 14px;
    bottom: 14px;
    grid-template-columns: repeat(2, 42px);
    gap: 8px;
  }

  .viewer-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 8px;
  }

  .viewer-badges,
  .viewer-actions {
    width: auto;
  }

  .viewer-badges {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, max-content));
    gap: 8px;
    align-items: center;
    min-width: 0;
  }

  .viewer-actions {
    display: inline-flex;
    gap: 0;
    min-width: 0;
  }

  .viewer-tool {
    width: auto;
    min-height: 36px;
    padding: 0 12px;
    font-size: 0.63rem;
  }

  .viewer-badge {
    min-height: 30px;
    padding: 0 10px;
    font-size: 0.68rem;
  }

  .measurement-label {
    min-width: 52px;
    min-height: 22px;
    padding: 0 7px;
    font-size: 0.58rem;
  }

  .measurement-label[data-measurement="height"] {
    min-width: 56px;
  }

  .viewer-summary > div,
  .config-step,
  .quote-preview-card {
    border-radius: 20px;
  }

  .choice-card,
  .toggle-card,
  .action-card,
  .summary-list-item {
    padding: 16px;
  }

  .model-card img {
    aspect-ratio: 1.45 / 1;
  }

}

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

@media (max-width: 1100px) {
  .modulator-layout {
    display: block !important;
  }

  .viewer-panel,
  .config-panel {
    width: 100% !important;
    max-width: 100% !important;
  }

  .viewer-panel {
    margin-bottom: 12px !important;
  }

  .config-panel {
    clear: both !important;
    margin-top: 0 !important;
  }

  .panel-scroll {
    display: block !important;
    width: 100% !important;
  }

  .config-step,
  .panel-footer {
    width: 100% !important;
  }
}

/* Minimal viewer layout: let the simulator fill the entire viewer card */
.viewer-toolbar {
  display: none !important;
}

.viewer-summary {
  display: flex !important;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 14px !important;
  margin: 0 !important;
}

.viewer-panel {
  display: grid !important;
  grid-template-rows: minmax(0, 1fr) auto auto !important;
  gap: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
}

.viewer-stage {
  min-height: clamp(520px, 72vh, 980px) !important;
  max-height: none !important;
  height: 100% !important;
  aspect-ratio: auto !important;
  border-radius: inherit !important;
}

.warning-stack {
  margin-top: 0 !important;
  padding: 12px 14px 14px;
}

.config-panel {
  min-height: clamp(520px, 72vh, 980px) !important;
}

.panel-summary-card {
  margin-bottom: 14px !important;
}

.step-nav {
  margin-bottom: 14px !important;
}

.step-nav button {
  flex: 1 1 calc(33.333% - 6px);
  min-height: 50px;
  font-size: 0.74rem;
  line-height: 1.15;
  letter-spacing: 0.05em;
  text-align: center;
  white-space: normal;
}

#step-start .choice-cards {
  margin-top: 0;
}

#step-start .choice-card strong {
  font-size: 1.02rem;
}

.panel-footnote {
  max-width: 34ch;
}

@media (min-width: 981px) {
  .viewer-panel {
    grid-template-rows: minmax(0, 1fr) auto !important;
  }

  .viewer-stage,
  #scene-canvas {
    min-height: 0 !important;
    height: 100% !important;
  }
}

@media (max-width: 1100px) {
  .viewer-panel {
    padding: 0 !important;
  }

  .viewer-stage {
    min-height: clamp(420px, 68vw, 700px) !important;
  }

  .config-panel {
    min-height: 0 !important;
  }
}

@media (max-width: 820px) {
  .panel-summary-card {
    grid-template-columns: 1fr;
  }

  .step-nav button {
    flex: 1 1 calc(50% - 4px);
  }

  .viewer-stage {
    min-height: clamp(380px, 78vw, 560px) !important;
  }
}

/* Final minimalist panel pass */
.panel-summary-card {
  padding: 14px 16px !important;
  gap: 10px !important;
}

.panel-summary-card span {
  margin-bottom: 4px !important;
  font-size: 0.68rem !important;
  letter-spacing: 0.14em !important;
}

.panel-summary-card strong {
  font-size: 0.92rem !important;
  line-height: 1.2 !important;
}

.step-nav {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px !important;
  padding: 8px !important;
  margin-bottom: 12px !important;
}

.step-nav button {
  min-height: 42px !important;
  padding: 8px 10px !important;
  font-size: 0.7rem !important;
  line-height: 1.1 !important;
  letter-spacing: 0.05em !important;
  white-space: normal !important;
}

.config-step {
  padding: 16px !important;
  border-radius: 20px !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 8px 18px rgba(17, 18, 24, 0.028) !important;
}

.config-step + .config-step {
  margin-top: 12px !important;
}

.config-step .step-heading {
  gap: 12px !important;
}

.config-step .mod-eyebrow {
  margin: 0 0 4px !important;
  font-size: 0.67rem !important;
  letter-spacing: 0.14em !important;
}

.config-step .step-heading h2 {
  font-size: 1.1rem !important;
  line-height: 1.06 !important;
  letter-spacing: -0.03em !important;
}

.config-step.is-active .step-heading {
  margin-bottom: 12px !important;
}

.config-step:not(.is-active) {
  padding: 16px !important;
  cursor: default !important;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 249, 252, 0.95)) !important;
}

.config-step:not(.is-active) > :not(.step-heading) {
  display: block !important;
}

.config-step:not(.is-active) .step-heading h2 {
  font-size: 1.1rem !important;
}

.choice-cards,
.model-grid {
  margin-top: 0 !important;
}

.choice-cards {
  gap: 10px !important;
}

.model-grid {
  gap: 10px !important;
}

.choice-card,
.toggle-card,
.action-card,
.summary-list-item {
  border-radius: 16px !important;
}

.choice-card {
  padding: 14px 16px !important;
  gap: 4px !important;
  min-height: 0 !important;
}

.choice-card strong {
  font-size: 0.95rem !important;
  line-height: 1.2 !important;
  letter-spacing: -0.02em !important;
}

.choice-card span {
  display: none !important;
}

.model-card {
  padding: 10px !important;
  gap: 10px !important;
}

.model-card img {
  aspect-ratio: 1.24 / 1 !important;
  padding: 10px 12px 12px !important;
}

.model-card strong {
  font-size: 0.9rem !important;
  line-height: 1.15 !important;
}

.segmented,
.segmented-small {
  margin-top: 0 !important;
  gap: 8px !important;
}

.segment {
  min-height: 42px !important;
  padding: 0 12px !important;
  font-size: 0.8rem !important;
  line-height: 1.15 !important;
}

.action-card,
.toggle-card {
  padding: 14px 16px !important;
  margin-top: 12px !important;
  gap: 12px !important;
}

.action-card strong,
.toggle-card strong {
  margin-bottom: 0 !important;
  font-size: 0.92rem !important;
}

.range-group {
  margin-top: 12px !important;
}

.range-header {
  margin-bottom: 8px !important;
}

.range-header span {
  font-size: 0.72rem !important;
}

.range-header strong {
  font-size: 0.92rem !important;
}

.range-controls {
  margin-top: 10px !important;
}

.range-controls input {
  min-height: 42px !important;
  padding: 0 12px !important;
  border-radius: 14px !important;
}

.color-section-label {
  margin-top: 12px !important;
  font-size: 0.7rem !important;
}

.color-section-label + .color-grid {
  margin-top: 8px !important;
}

.color-grid {
  gap: 8px !important;
  margin-top: 12px !important;
}

.color-pill {
  gap: 6px !important;
  padding: 10px 6px !important;
  border-radius: 14px !important;
}

.color-pill span:last-child {
  font-size: 0.68rem !important;
  line-height: 1.15 !important;
}

.swatch {
  width: 26px !important;
  height: 26px !important;
}

.summary-list {
  gap: 10px !important;
  margin-top: 12px !important;
}

.summary-list-item {
  padding: 14px 16px !important;
}

.summary-list-item span {
  margin-bottom: 6px !important;
  font-size: 0.7rem !important;
}

.summary-list-item strong {
  font-size: 0.92rem !important;
  line-height: 1.28 !important;
}

.summary-lines {
  gap: 8px !important;
  margin-top: 12px !important;
}

.summary-line strong {
  font-size: 0.8rem !important;
}

.summary-line span {
  font-size: 0.94rem !important;
  line-height: 1.38 !important;
}

.panel-footer {
  padding-top: 10px !important;
  padding-bottom: 2px !important;
  background: linear-gradient(180deg, rgba(243, 244, 247, 0), rgba(243, 244, 247, 0.96) 20%, rgba(243, 244, 247, 1) 100%) !important;
}

.panel-footer-meta,
.panel-footnote {
  display: none !important;
}

@media (max-width: 980px) {
  .step-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .config-step {
    padding: 14px !important;
  }

  .model-card img {
    aspect-ratio: 1.18 / 1 !important;
  }
}

/* Final step-nav and model-list clean pass */
.panel-scroll {
  padding: 0 2px 0 0 !important;
}

.panel-summary-card {
  position: static !important;
  z-index: auto !important;
}

.step-nav {
  position: static !important;
  z-index: auto !important;
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 8px !important;
  padding: 0 !important;
  margin: 0 0 12px !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.step-nav button {
  min-height: 38px !important;
  padding: 0 12px !important;
  border: 1px solid rgba(23, 24, 27, 0.08) !important;
  border-radius: 12px !important;
  background: rgba(255, 255, 255, 0.96) !important;
  color: var(--mod-text) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    0 6px 16px rgba(17, 18, 24, 0.03) !important;
  font-size: 0.68rem !important;
  font-weight: 800 !important;
  line-height: 1 !important;
  letter-spacing: 0.04em !important;
  text-transform: uppercase !important;
  text-align: center !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}

.step-nav button.active {
  background: rgba(17, 18, 24, 0.96) !important;
  color: #f8f9fc !important;
  border-color: rgba(17, 18, 24, 0.96) !important;
  box-shadow: 0 12px 24px rgba(17, 18, 24, 0.16) !important;
}

.step-nav button[data-step-link="summary"] {
  grid-column: 1 / -1;
}

.step-nav button:hover {
  transform: translateY(-1px);
  border-color: rgba(17, 18, 24, 0.18) !important;
}

.model-grid {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) !important;
  grid-auto-flow: row !important;
  grid-auto-columns: auto !important;
  gap: 10px !important;
  overflow-x: visible !important;
  padding-bottom: 0 !important;
  scroll-snap-type: none !important;
  scrollbar-width: auto !important;
}

.model-card {
  display: grid !important;
  grid-template-columns: 128px minmax(0, 1fr) !important;
  align-items: center !important;
  gap: 16px !important;
  min-height: 108px !important;
  padding: 12px 14px !important;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.95)) !important;
  border: 1px solid rgba(23, 24, 27, 0.08) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.84),
    0 8px 18px rgba(17, 18, 24, 0.04) !important;
}

.model-card img {
  display: block !important;
  width: 128px !important;
  height: 84px !important;
  aspect-ratio: auto !important;
  object-fit: contain !important;
  padding: 6px !important;
  border: 1px solid rgba(23, 24, 27, 0.06) !important;
  border-radius: 16px !important;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 249, 252, 0.94)) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 10px 20px rgba(20, 28, 40, 0.06) !important;
  filter:
    saturate(1.02)
    contrast(1.02)
    drop-shadow(0 8px 12px rgba(30, 36, 46, 0.08)) !important;
}

.model-card strong {
  font-size: 0.98rem !important;
  line-height: 1.18 !important;
  letter-spacing: -0.02em !important;
}

.model-card:hover {
  transform: translateY(-1px) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.84),
    0 12px 22px rgba(17, 18, 24, 0.06) !important;
}

.model-card.active {
  background: #ffffff !important;
  border: 2px solid rgba(17, 18, 24, 0.96) !important;
  box-shadow:
    0 14px 26px rgba(17, 18, 24, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.92) !important;
}

.model-card.active strong {
  color: var(--mod-text) !important;
}

.model-card.active img {
  border-color: rgba(17, 18, 24, 0.08) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.96),
    0 12px 20px rgba(0, 0, 0, 0.1) !important;
}

.option-list {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) !important;
  gap: 10px !important;
  margin-top: 0 !important;
}

.option-card {
  display: grid !important;
  grid-template-columns: 72px minmax(0, 1fr) !important;
  align-items: center !important;
  min-height: 78px !important;
}

.option-card-mark {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 246, 250, 0.94));
  border: 1px solid rgba(23, 24, 27, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 8px 18px rgba(17, 18, 24, 0.04);
  color: var(--mod-text);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.option-card-body {
  min-width: 0;
}

.option-card .option-card-mark {
  display: inline-flex !important;
}

.option-card strong {
  display: block;
  font-size: 0.98rem !important;
  line-height: 1.18 !important;
  letter-spacing: -0.02em !important;
}

.option-card.active .option-card-mark {
  background: rgba(17, 18, 24, 0.96);
  color: #f8f9fc;
  border-color: rgba(17, 18, 24, 0.96);
  box-shadow: 0 10px 20px rgba(17, 18, 24, 0.14);
}

.option-card.is-disabled,
.option-card:disabled {
  opacity: 0.42;
}

.option-card.is-disabled .option-card-mark,
.option-card:disabled .option-card-mark {
  box-shadow: none;
}

@media (max-width: 980px) {
  .step-nav button {
    min-height: 36px !important;
    font-size: 0.66rem !important;
  }

  .model-card {
    grid-template-columns: 110px minmax(0, 1fr) !important;
    min-height: 96px !important;
    gap: 12px !important;
  }

  .model-card img {
    width: 110px !important;
    height: 72px !important;
  }

  .model-card strong {
    font-size: 0.92rem !important;
  }

  .option-card {
    grid-template-columns: 64px minmax(0, 1fr) !important;
    min-height: 72px !important;
  }

  .option-card-mark {
    width: 50px;
    height: 50px;
    font-size: 0.68rem;
  }
}

@media (min-width: 1101px) {
  body.modulator-body {
    overflow: hidden;
  }

  .mod-shell {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 79px 0 0 !important;
    height: 100dvh;
  }

  .modulator-layout {
    height: calc(100dvh - 79px) !important;
    min-height: calc(100dvh - 79px) !important;
    grid-template-columns: minmax(0, 1fr) clamp(360px, 29vw, 430px) !important;
    gap: 0 !important;
    align-items: stretch !important;
  }

  .viewer-panel,
  .config-panel {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    height: 100% !important;
    min-height: 0 !important;
    max-height: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
  }

  .viewer-panel {
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
  }

  .viewer-stage {
    min-height: 100% !important;
    height: 100% !important;
    border-radius: 0 !important;
  }

  #scene-canvas {
    height: 100% !important;
  }

  .config-panel {
    display: block !important;
    width: 100% !important;
    padding: 16px 16px 14px !important;
    border: 0 !important;
    border-left: 1px solid rgba(23, 24, 27, 0.08) !important;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 249, 252, 0.98)) !important;
  }

  .panel-scroll {
    height: 100% !important;
    min-height: 0 !important;
    padding: 0 2px 0 0 !important;
    overflow: auto !important;
  }

  .warning-stack {
    margin: 0 !important;
    padding: 14px 18px 18px !important;
  }
}