/* =========================================================================
   Interior Glass Solutions — Glass Visualizer
   Scoped styles. All new classes are prefixed `viz-`.
   Relies on design tokens defined in styles.css (--ink, --accent, etc.).
   ========================================================================= */

.viz-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: clamp(1.4rem, 2.6vw, 2.4rem);
  align-items: start;
  margin-top: clamp(1.8rem, 3.5vw, 2.8rem);
}
@media (max-width: 900px) {
  .viz-wrap { grid-template-columns: 1fr; }
}
/* Empty state (before a photo is chosen) has no controls column yet —
   collapse to a single centered column so the upload area isn't pushed left. */
.viz-wrap:has(> .viz-controls[hidden]) {
  grid-template-columns: 1fr;
  justify-items: center;
}
.viz-wrap:has(> .viz-controls[hidden]) .viz-canvas-col {
  width: 100%;
  max-width: 720px;
}

/* ---------- How-it-works 1-2-3 hint ------------------------------------ */
.viz-how {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.6rem;
}
.viz-how li {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: .92rem;
  color: var(--muted);
}
.viz-how .viz-step-n {
  flex: 0 0 auto;
  width: 30px; height: 30px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(47,159,184,.12);
  color: var(--accent-dk);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .9rem;
}

/* ---------- Privacy note ----------------------------------------------- */
.viz-privacy {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.2rem;
  font-size: .84rem;
  color: var(--accent-dk);
  font-weight: 600;
}
.viz-privacy svg { flex: 0 0 auto; }

/* =========================================================================
   LEFT COLUMN — canvas area
   ========================================================================= */
.viz-canvas-col { min-width: 0; }

/* Empty state / dropzone */
.viz-empty { }
.viz-dropzone {
  border: 2px dashed var(--line);
  border-radius: var(--r-lg);
  background: var(--paper);
  padding: clamp(2.2rem, 5vw, 3.6rem) 1.6rem;
  text-align: center;
  transition: border-color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
  cursor: pointer;
}
.viz-dropzone:hover,
.viz-dropzone:focus-visible {
  border-color: var(--accent);
  background: var(--bg-2);
  outline: none;
}
.viz-dropzone.is-drag {
  border-color: var(--accent);
  background: rgba(47,159,184,.06);
  box-shadow: 0 0 0 4px rgba(47,159,184,.12);
}
.viz-drop-ico {
  width: 62px; height: 62px;
  margin: 0 auto 1.1rem;
  border-radius: 18px;
  display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(47,159,184,.16), rgba(47,159,184,.04));
  color: var(--accent-dk);
}
.viz-dropzone h3 { font-size: 1.2rem; margin-bottom: .4rem; }
.viz-dropzone p { font-size: .95rem; margin-bottom: 1.2rem; }
.viz-drop-cta {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.3rem; border-radius: 100px;
  background: var(--ink); color: #fff;
  font-weight: 600; font-size: .92rem;
}

/* Sample thumbnails */
.viz-samples { margin-top: 1.6rem; }
.viz-samples-label {
  font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted-2); margin-bottom: .7rem;
}
.viz-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .7rem;
}
.viz-thumb {
  position: relative;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  padding: 0;
  transition: border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.viz-thumb img { width: 100%; height: 100%; object-fit: cover; }
.viz-thumb:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--sh-1); }
.viz-thumb span {
  position: absolute; inset: auto 0 0 0;
  font-size: .68rem; font-weight: 600; color: #fff;
  padding: .5rem .5rem .35rem;
  background: linear-gradient(0deg, rgba(12,14,18,.82), transparent);
  text-align: left;
}

/* Canvas stage */
.viz-stage {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-2);
  box-shadow: var(--sh-2);
  line-height: 0;
}
.viz-stage canvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none; /* let Pointer Events own gestures */
}

/* Toolbar under the canvas (change photo / samples row) */
.viz-canvas-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin-top: 1rem;
}
.viz-canvas-tools .viz-mini-samples {
  display: flex; gap: .45rem; margin-left: auto;
}
.viz-mini-thumb {
  width: 46px; height: 34px;
  border-radius: 6px; overflow: hidden;
  border: 1.5px solid var(--line);
  padding: 0;
  transition: border-color .2s var(--ease);
}
.viz-mini-thumb:hover { border-color: var(--accent); }
.viz-mini-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* =========================================================================
   RIGHT COLUMN — controls panel
   ========================================================================= */
.viz-controls {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  padding: 1.4rem 1.3rem;
  position: sticky;
  top: calc(var(--nav-h) + 12px);
}
@media (max-width: 900px) {
  .viz-controls { position: static; }
}

.viz-selhint {
  font-size: .82rem;
  color: var(--accent-dk);
  background: rgba(47,159,184,.08);
  border-radius: var(--r-sm);
  padding: .55rem .7rem;
  margin-bottom: 1.1rem;
  font-weight: 500;
}

.viz-group { margin-bottom: 1.4rem; }
.viz-group:last-child { margin-bottom: 0; }
.viz-group-title {
  font-size: .74rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted-2); font-weight: 700;
  margin-bottom: .7rem;
}

/* Style swatches */
.viz-swatches {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
}
.viz-swatch {
  display: flex; align-items: center; gap: .55rem;
  padding: .55rem .6rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper);
  font-size: .84rem; font-weight: 600; color: var(--ink-2);
  text-align: left;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.viz-swatch:hover { border-color: var(--accent-lt); }
.viz-swatch.is-active {
  border-color: var(--accent);
  background: rgba(47,159,184,.07);
  box-shadow: 0 0 0 2px rgba(47,159,184,.16) inset;
}
.viz-swatch .viz-chip {
  flex: 0 0 auto;
  width: 26px; height: 26px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background-size: cover;
}
/* mini glass-style chip previews */
.viz-chip--clear   { background: linear-gradient(135deg, rgba(120,170,190,.35), rgba(255,255,255,.7) 55%, rgba(120,170,190,.2)); }
.viz-chip--frosted { background: linear-gradient(135deg, #eef3f5, #dce6ea); }
.viz-chip--tinted  { background: linear-gradient(135deg, rgba(40,44,50,.75), rgba(70,76,84,.6)); }
.viz-chip--reeded  { background: repeating-linear-gradient(90deg, #cdd8dc 0 3px, #f3f7f8 3px 6px); }
.viz-chip--grid    {
  background: #dfeaee;
  background-image: linear-gradient(#14161a 0 0), linear-gradient(#14161a 0 0);
  background-size: 2px 100%, 100% 2px;
  background-position: center center;
  background-repeat: no-repeat;
}

/* Frame options (pills) */
.viz-frames { display: flex; flex-wrap: wrap; gap: .45rem; }
.viz-frame-btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .5rem .85rem;
  border: 1.5px solid var(--line);
  border-radius: 100px;
  font-size: .84rem; font-weight: 600; color: var(--muted);
  transition: all .2s var(--ease);
}
.viz-frame-btn:hover { border-color: var(--ink-3); color: var(--ink); }
.viz-frame-btn.is-active { border-color: var(--accent); color: var(--accent-dk); background: rgba(47,159,184,.07); }
.viz-frame-dot { width: 14px; height: 14px; border-radius: 4px; border: 1px solid var(--line); }
.viz-frame-dot--none   { background: repeating-linear-gradient(45deg, #fff 0 3px, #e6e6e6 3px 6px); }
.viz-frame-dot--black  { background: #14161a; }
.viz-frame-dot--silver { background: linear-gradient(135deg, #eef1f3, #b7bdc4 60%, #8f969e); }

/* Sliders */
.viz-slider { margin-bottom: 1rem; }
.viz-slider:last-child { margin-bottom: 0; }
.viz-slider-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: .35rem;
}
.viz-slider-head label { font-size: .84rem; font-weight: 600; color: var(--ink-2); }
.viz-slider-head output { font-size: .82rem; font-weight: 600; color: var(--accent-dk); font-variant-numeric: tabular-nums; }
.viz-range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 5px; border-radius: 5px;
  background: var(--bg-2);
  outline-offset: 4px;
}
.viz-range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 2px solid #fff;
  box-shadow: var(--sh-1); cursor: pointer;
  transition: transform .15s var(--ease);
}
.viz-range::-webkit-slider-thumb:hover { transform: scale(1.12); }
.viz-range::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 2px solid #fff;
  box-shadow: var(--sh-1); cursor: pointer;
}
.viz-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }

/* Action buttons */
.viz-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .55rem;
  margin-top: 1.4rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line);
}
.viz-actions .viz-download { grid-column: 1 / -1; }
.viz-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .7rem .9rem;
  border-radius: 100px;
  font-weight: 600; font-size: .88rem;
  border: 1.5px solid var(--line);
  color: var(--ink-2);
  background: var(--paper);
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.viz-btn:hover { border-color: var(--ink-3); color: var(--ink); }
.viz-btn:active { transform: translateY(1px); }
.viz-btn--primary {
  background: var(--accent); border-color: var(--accent); color: #fff;
}
.viz-btn--primary:hover { background: var(--accent-dk); border-color: var(--accent-dk); color: #fff; box-shadow: var(--sh-2); }
.viz-btn--danger:hover { border-color: #c0473d; color: #c0473d; }

/* Disclaimer */
.viz-disclaimer {
  margin-top: 1.6rem;
  padding: 1rem 1.15rem;
  border-radius: var(--r-sm);
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  font-size: .84rem;
  color: var(--muted);
  line-height: 1.5;
}
.viz-disclaimer strong { color: var(--ink-2); }
.viz-disclaimer a { color: var(--accent-dk); font-weight: 600; }
.viz-disclaimer a:hover { text-decoration: underline; }

/* =========================================================================
   QUICK-START PRESETS
   ========================================================================= */
.viz-presets-block { margin-top: 1.6rem; }
.viz-presets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .6rem;
}
@media (max-width: 520px) { .viz-presets { grid-template-columns: 1fr; } }
.viz-preset {
  display: flex; align-items: center; gap: .7rem;
  padding: .7rem .8rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper);
  text-align: left;
  cursor: pointer;
  transition: border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.viz-preset:hover,
.viz-preset:focus-visible {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--sh-1);
  outline: none;
}
.viz-preset.is-pending { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47,159,184,.16); }
.viz-preset-chip {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background-size: cover;
}
.viz-preset-txt { display: flex; flex-direction: column; gap: .1rem; min-width: 0; }
.viz-preset-txt strong { font-size: .86rem; color: var(--ink); font-weight: 600; line-height: 1.2; }
.viz-preset-txt small { font-size: .72rem; color: var(--muted); }

/* Preset pills above the canvas */
.viz-presets-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1rem;
  overflow-x: auto;
  padding-bottom: .25rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.viz-presets-bar-label {
  flex: 0 0 auto;
  font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted-2); font-weight: 700;
}
.viz-preset-pill {
  flex: 0 0 auto;
  padding: .45rem .85rem;
  border: 1.5px solid var(--line);
  border-radius: 100px;
  background: var(--paper);
  font-size: .82rem; font-weight: 600; color: var(--ink-2);
  white-space: nowrap;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.viz-preset-pill:hover { border-color: var(--accent); color: var(--accent-dk); background: rgba(47,159,184,.06); }

/* =========================================================================
   BEFORE / AFTER COMPARE
   ========================================================================= */
.viz-compare { position: absolute; inset: 0; pointer-events: none; z-index: 3; }
.viz-stage.is-dragging .viz-compare { pointer-events: none !important; }
.viz-compare-tag {
  position: absolute; top: 10px;
  font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: #fff;
  background: rgba(12,14,18,.72);
  padding: .3rem .6rem; border-radius: 100px;
  backdrop-filter: blur(2px);
}
.viz-compare-tag--before { left: 10px; }
.viz-compare-tag--after  { right: 10px; background: rgba(47,159,184,.9); }
.viz-compare-divider {
  position: absolute; top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 0 0 1px rgba(12,14,18,.28), 0 0 10px rgba(12,14,18,.35);
  pointer-events: none;
}
.viz-compare-handle {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 42px; height: 42px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--accent);
  color: var(--accent-dk);
  display: grid; place-items: center;
  box-shadow: var(--sh-2);
  cursor: ew-resize;
  pointer-events: auto;
  touch-action: none;
  transition: transform .15s var(--ease);
}
.viz-compare-handle:hover { transform: translate(-50%, -50%) scale(1.08); }
.viz-btn--toggle.is-active {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

/* =========================================================================
   PANEL COUNT + DESIGN SUMMARY + QUOTE
   ========================================================================= */
.viz-controls-top {
  display: flex; align-items: flex-start; gap: .6rem;
  margin-bottom: 1.1rem;
}
.viz-controls-top .viz-selhint { margin-bottom: 0; flex: 1 1 auto; }
.viz-count {
  flex: 0 0 auto;
  font-size: .72rem; font-weight: 700;
  color: var(--accent-dk);
  background: rgba(47,159,184,.1);
  border-radius: 100px;
  padding: .35rem .6rem;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.viz-btn--quote {
  grid-column: 1 / -1;
  background: var(--ink); border-color: var(--ink); color: #fff;
}
.viz-btn--quote:hover { background: #000; border-color: #000; color: #fff; box-shadow: var(--sh-2); }
.viz-summary {
  margin-top: 1.3rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}
.viz-summary-list {
  list-style: none;
  margin: .6rem 0 0;
  padding: 0;
  display: flex; flex-direction: column; gap: .4rem;
}
.viz-summary-list li {
  display: flex; align-items: center; gap: .55rem;
  font-size: .82rem; color: var(--ink-2);
  padding: .5rem .6rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg);
}
.viz-summary-list li.is-active { border-color: var(--accent); background: rgba(47,159,184,.06); }
.viz-summary-num {
  flex: 0 0 auto;
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--ink); color: #fff;
  font-size: .72rem; font-weight: 700;
  font-family: var(--font-display);
}
.viz-summary-desc { min-width: 0; }
.viz-summary-desc strong { font-weight: 600; }
.viz-summary-desc small { color: var(--muted); }

/* =========================================================================
   3D / PERSPECTIVE PLACEMENT
   ========================================================================= */

/* Helper note under the canvas */
.viz-canvas-note {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  margin-top: .9rem;
  padding: .6rem .8rem;
  border-radius: var(--r-sm);
  background: rgba(47,159,184,.07);
  border: 1px solid rgba(47,159,184,.18);
  font-size: .84rem;
  line-height: 1.45;
  color: var(--ink-2);
}
.viz-canvas-note svg { flex: 0 0 auto; margin-top: .15rem; color: var(--accent-dk); }
.viz-canvas-note strong { color: var(--ink); font-weight: 600; }
.viz-canvas-note em { color: var(--accent-dk); font-style: normal; font-weight: 600; }

/* One-time "drag the corners" toast overlaid on the stage */
.viz-corner-hint {
  position: absolute;
  left: 50%;
  top: 14px;
  transform: translateX(-50%) translateY(-6px);
  z-index: 4;
  max-width: min(90%, 340px);
  text-align: center;
  padding: .55rem .95rem;
  border-radius: 100px;
  background: rgba(12,14,18,.86);
  color: #fff;
  font-size: .82rem;
  font-weight: 600;
  line-height: 1.3;
  box-shadow: var(--sh-2);
  backdrop-filter: blur(3px);
  pointer-events: none;
  opacity: 0;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.viz-corner-hint.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* "Place on a surface" plane buttons */
.viz-planes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
}
.viz-plane-btn {
  display: flex; align-items: center; gap: .5rem;
  padding: .5rem .6rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper);
  font-size: .82rem; font-weight: 600; color: var(--ink-2);
  text-align: left;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.viz-plane-btn:hover { border-color: var(--accent-lt); }
.viz-plane-btn.is-pending {
  border-color: var(--accent);
  background: rgba(47,159,184,.07);
  box-shadow: 0 0 0 2px rgba(47,159,184,.16) inset;
}
.viz-plane-ico {
  flex: 0 0 auto;
  width: 26px; height: 22px;
  border-radius: 4px;
  background: rgba(47,159,184,.1);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
/* little trapezoids that hint the plane orientation */
.viz-plane-ico::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: linear-gradient(135deg, rgba(120,170,190,.55), rgba(255,255,255,.85));
  border: 1px solid rgba(33,126,147,.5);
}
.viz-plane-ico--front::after { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
.viz-plane-ico--left::after  { clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 82%); }
.viz-plane-ico--right::after { clip-path: polygon(0 0, 100% 18%, 100% 82%, 0 100%); }
.viz-plane-ico--floor::after { clip-path: polygon(22% 0, 78% 0, 100% 100%, 0 100%); }
.viz-plane-note {
  margin-top: .6rem;
  font-size: .76rem;
  line-height: 1.4;
  color: var(--muted);
}

/* =========================================================================
   GLASS DOORS — Element / door-style / handle controls
   ========================================================================= */
.viz-types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
}
.viz-type-btn {
  display: flex; align-items: center; gap: .55rem;
  padding: .55rem .6rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper);
  font-size: .84rem; font-weight: 600; color: var(--ink-2);
  text-align: left;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.viz-type-btn:hover { border-color: var(--accent-lt); }
.viz-type-btn.is-active {
  border-color: var(--accent);
  background: rgba(47,159,184,.07);
  box-shadow: 0 0 0 2px rgba(47,159,184,.16) inset;
}
.viz-type-ico {
  flex: 0 0 auto;
  width: 22px; height: 26px;
  border-radius: 3px;
  border: 1.5px solid var(--ink-3);
  background: linear-gradient(135deg, rgba(120,170,190,.3), rgba(255,255,255,.7));
  position: relative;
}
/* wall = plain glazed rectangle */
.viz-type-ico--wall::after {
  content: ""; position: absolute; inset: 3px;
  border: 1px solid rgba(33,126,147,.35);
}
/* door = leaf split with a little handle */
.viz-type-ico--door::before {
  content: ""; position: absolute; top: 2px; bottom: 2px; left: 50%;
  width: 1.5px; background: var(--ink-3); transform: translateX(-50%);
}
.viz-type-ico--door::after {
  content: ""; position: absolute; top: 42%; height: 16%;
  left: 34%; width: 2px; background: var(--ink); border-radius: 2px;
  box-shadow: 4px 0 0 var(--ink);
}

.viz-door-opts { margin-top: .9rem; }
.viz-subgroup { margin-bottom: .8rem; }
.viz-subgroup:last-child { margin-bottom: 0; }
.viz-subtitle {
  font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted-2); font-weight: 700;
  margin-bottom: .5rem;
}
.viz-doors, .viz-handles { display: flex; flex-wrap: wrap; gap: .4rem; }
.viz-door-btn, .viz-handle-btn {
  padding: .45rem .75rem;
  border: 1.5px solid var(--line);
  border-radius: 100px;
  background: var(--paper);
  font-size: .8rem; font-weight: 600; color: var(--muted);
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.viz-door-btn:hover, .viz-handle-btn:hover { border-color: var(--ink-3); color: var(--ink); }
.viz-door-btn.is-active, .viz-handle-btn.is-active {
  border-color: var(--accent); color: var(--accent-dk); background: rgba(47,159,184,.07);
}

/* door chip preview for the quick-look preset card */
.viz-chip--door {
  background: linear-gradient(135deg, rgba(120,170,190,.35), rgba(255,255,255,.7) 55%, rgba(120,170,190,.2));
  position: relative;
}
.viz-chip--door::before {
  content: ""; position: absolute; top: 3px; bottom: 3px; left: 50%;
  width: 2px; background: #14161a; transform: translateX(-50%);
}
.viz-chip--door::after {
  content: ""; position: absolute; top: 40%; height: 20%;
  left: 30%; width: 2px; background: #14161a; border-radius: 2px;
  box-shadow: 6px 0 0 #14161a;
}

/* Reduced motion: kill the hover lifts / thumb scaling */
@media (prefers-reduced-motion: reduce) {
  .viz-thumb:hover,
  .viz-preset:hover,
  .viz-preset:focus-visible,
  .viz-compare-handle:hover,
  .viz-range::-webkit-slider-thumb:hover { transform: none; }
  .viz-preset { transition: border-color .2s ease; }
  .viz-corner-hint { transition: opacity .35s ease; }
}