/* /strip-builder: sticky visual on the left (stacked on top on phones), choices as tiles on
   the right, live summary. Brand: black/charcoal type, the cream-to-pale-blue glow used
   sparingly, amber only as an accent. */
@property --light { syntax: "<color>"; inherits: true; initial-value: #ffe4bf; }

.page-strip-builder [hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.sb-head { padding-bottom: clamp(16px, 3vw, 32px); }
.sb-head h1 { max-width: 16ch; margin-bottom: 0.35em; font-size: clamp(2.1rem, 1.4rem + 3vw, 3.6rem); }
.sb-head .lede { margin-bottom: 0; }
.sb-nojs { padding-bottom: var(--section); }
.sb-nojs p { max-width: 44rem; padding: 18px 20px; background: var(--cream); border: 1px solid var(--warm); border-radius: var(--radius); }

/* Layout */
.sb { display: grid; gap: clamp(24px, 4vw, 64px); padding-bottom: var(--section); transition: --light 0.6s ease; }
@media (min-width: 960px) {
  .sb { grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); align-items: start; }
  .sb-stage { position: sticky; top: calc(var(--header-height) + 20px); }
}
.sb-main { min-width: 0; }

/* Stage */
.sb-stage__card {
  overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff;
  box-shadow: 0 30px 60px -40px rgba(15, 15, 16, 0.35);
}
.sb-stage__photos {
  position: relative; aspect-ratio: 16 / 10; max-height: 40vh; width: 100%;
  background:
    radial-gradient(circle at 22% 78%, rgba(244, 215, 159, 0.34), transparent 55%),
    radial-gradient(circle at 80% 20%, rgba(214, 227, 242, 0.55), transparent 55%),
    #faf9f6;
}
@media (min-width: 960px) { .sb-stage__photos { aspect-ratio: 4 / 3; max-height: 36vh; } }
.sb-photo { position: absolute; inset: 0; padding: 6% 8%; opacity: 0; transform: scale(0.97); transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1); }
.sb-photo.is-active { opacity: 1; transform: none; }
.sb-photo img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.sb-stage__empty { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; color: var(--muted); font-size: 0.95rem; letter-spacing: 0.02em; }

/* Indicative light: a shelf edge with the strip under it, washing the wall below. */
.sb-scene { --intensity: 0.35; --thick: 5px; position: relative; height: clamp(96px, 14vh, 140px); overflow: hidden; background: linear-gradient(180deg, #232326, #141416 70%); }
.sb-scene__surface { position: absolute; inset: 0; }
.sb-scene__surface::before { /* the shelf */
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 30%; background: linear-gradient(180deg, #2c2c30, #1d1d20); border-bottom: 1px solid #39393e;
}
.sb-scene__surface::after { /* light spill on the wall */
  content: ""; position: absolute; left: 4%; right: 4%; top: 30%; bottom: -40%;
  background: radial-gradient(ellipse 60% 70% at 50% 0%, color-mix(in srgb, var(--light) 70%, transparent), transparent 70%);
  opacity: calc(var(--intensity) * 0.9); transition: opacity 0.5s ease;
}
.sb-scene__line {
  position: absolute; z-index: 1; left: 8%; right: 8%; top: calc(30% - var(--thick) / 2); height: var(--thick); border-radius: 999px;
  background: color-mix(in srgb, var(--light) 80%, #fff);
  box-shadow: 0 0 calc(10px + 14px * var(--intensity)) calc(1px + 3px * var(--intensity)) color-mix(in srgb, var(--light) 85%, transparent),
    0 0 calc(30px + 50px * var(--intensity)) calc(4px + 8px * var(--intensity)) color-mix(in srgb, var(--light) 45%, transparent);
  transition: height 0.4s ease, top 0.4s ease, box-shadow 0.5s ease;
}
.sb-scene[data-chip="smd"] .sb-scene__line {
  background: radial-gradient(circle, #fff 0 1.6px, color-mix(in srgb, var(--light) 90%, transparent) 2.4px, color-mix(in srgb, var(--light) 25%, transparent) 4px) 0 50% / 9px 100% repeat-x;
}
.sb-scene[data-kind="neon"] .sb-scene__line { left: 6%; right: 6%; }
.sb-scene[data-product="hyperion6"] { --thick: 7px; }
.sb-scene[data-product="hyperion10"] { --thick: 10px; }
.sb-scene[data-product="hyperion16"] { --thick: 14px; }
.sb-scene__profile { position: absolute; z-index: 2; left: 7%; right: 7%; top: 30%; height: 0; transition: height 0.35s ease; }
.sb-scene[data-mount="surface"] .sb-scene__profile,
.sb-scene[data-mount="recessed"] .sb-scene__profile { height: 4px; top: calc(30% - 9px); background: linear-gradient(180deg, #b9bbc0, #7c7e84); border-radius: 2px 2px 0 0; }
.sb-scene[data-mount="recessed"] .sb-scene__profile { left: 4%; right: 4%; }
.sb-scene[data-mount="corner"] .sb-scene__profile { height: 10px; top: calc(30% - 10px); background: linear-gradient(135deg, #b9bbc0 50%, transparent 50%); }
.sb-scene[data-mount="surface"] .sb-scene__line,
.sb-scene[data-mount="recessed"] .sb-scene__line,
.sb-scene[data-mount="corner"] .sb-scene__line { background: color-mix(in srgb, var(--light) 65%, #fff); filter: blur(0.6px); }
.sb-scene__label { position: absolute; right: 12px; bottom: 8px; color: rgba(255, 255, 255, 0.55); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; }

@keyframes sb-tunable { 0%, 100% { --light: #ffc684; } 50% { --light: #dce8ff; } }
@keyframes sb-rgb { 0% { --light: #ff6a6a; } 20% { --light: #ffd36a; } 40% { --light: #6aff9a; } 60% { --light: #6ab8ff; } 80% { --light: #c46aff; } 100% { --light: #ff6a6a; } }
@keyframes sb-rgbtw { 0% { --light: #ff6a6a; } 25% { --light: #fff6ea; } 50% { --light: #6ab8ff; } 75% { --light: #ffc684; } 100% { --light: #ff6a6a; } }
@media (prefers-reduced-motion: no-preference) {
  .sb[data-colour="tunable"] { animation: sb-tunable 6s ease-in-out infinite; }
  .sb[data-colour="rgbw"] { animation: sb-rgb 9s linear infinite; }
  .sb[data-colour="rgbtw"] { animation: sb-rgbtw 9s linear infinite; }
}
@media (prefers-reduced-motion: reduce) {
  .sb[data-colour="tunable"] { --light: #fff1dc; }
  .sb[data-colour="rgbw"], .sb[data-colour="rgbtw"] { --light: #b48cff; }
}

.sb-stage__meta { padding: 18px clamp(18px, 2.4vw, 26px) 20px; }
.sb-stage__name { margin: 0 0 10px; font-size: 1.2rem; font-weight: 500; color: var(--black); }
.sb-stage__chips { display: flex; flex-wrap: wrap; gap: 6px; min-height: 30px; margin: 0 0 16px; padding: 0; list-style: none; }
.sb-stage__chips li { padding: 3px 11px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 0.82rem; animation: sb-in 0.35s ease both; }
.sb-stage__totals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0; padding-top: 14px; border-top: 1px solid var(--line); }
.sb-stage__totals dt { color: var(--muted); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; }
.sb-stage__totals dd { margin: 2px 0 0; font-size: clamp(1.15rem, 1rem + 0.6vw, 1.5rem); color: var(--black); font-variant-numeric: tabular-nums; }

/* Steps */
.sb-edit { margin: 0 0 20px; padding: 14px 16px; background: var(--cream); border: 1px solid var(--warm); border-radius: var(--radius); }
.sb-step { padding: clamp(22px, 3vw, 32px) 0; border-top: 1px solid var(--line); scroll-margin-top: calc(var(--header-height) + 16px); }
.sb-step:first-child { border-top: 0; padding-top: 0; }
.sb-step__head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 14px; margin-bottom: 16px; }
.sb-step__num { color: var(--amber-ink); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; font-variant-numeric: tabular-nums; }
.sb-step__title { margin: 0; font-size: clamp(1.3rem, 1.1rem + 0.7vw, 1.65rem); font-weight: 500; }
.sb-step__choice { margin: 0 0 0 auto; color: var(--charcoal); font-size: 0.92rem; text-align: right; }
.sb-step.is-done .sb-step__choice::before { content: "✓ "; color: var(--amber-ink); }
.sb-step.is-locked .sb-step__head { opacity: 0.5; }
.sb-step__locked { margin: 0; color: var(--muted); font-size: 0.95rem; }
.sb-step__body { animation: sb-in 0.4s ease both; }
.sb-step__intro { margin: 0 0 14px; color: var(--charcoal); }
.sb-step__note { margin: 14px 0 0; color: var(--muted); font-size: 0.9rem; }
.sb-step__note .text-link { margin-right: 12px; color: var(--ink); }
.sb-group { margin: 0; padding: 0; border: 0; min-width: 0; }
.sb-subgroup { margin-top: 18px; }
.sb-subgroup__title { margin: 0 0 10px; color: var(--muted); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; }

/* Tiles */
.sb-tiles { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 210px), 1fr)); }
.sb-tiles--products { grid-template-columns: 1fr; }
.sb-tiles--compact { grid-template-columns: repeat(auto-fill, minmax(min(100%, 128px), 1fr)); }
.sb-tiles--colours { grid-template-columns: repeat(auto-fill, minmax(min(100%, 180px), 1fr)); }
.sb-tiles--profiles { grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); }
.sb-tile { position: relative; display: block; cursor: pointer; animation: sb-in 0.35s ease both; }
.sb-tile input { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.sb-tile__body {
  display: flex; align-items: center; gap: 14px; height: 100%; min-height: 64px; padding: 14px 16px;
  border: 1px solid var(--line-strong); border-radius: 12px; background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}
.sb-tiles--compact .sb-tile__body { flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; }
.sb-tile:hover .sb-tile__body { border-color: var(--ink); }
.sb-tile input:checked + .sb-tile__body { border-color: var(--black); box-shadow: inset 0 0 0 1px var(--black), 0 14px 30px -24px rgba(15, 15, 16, 0.6); background: #fffdf8; }
.sb-tile input:checked + .sb-tile__body::after {
  content: ""; position: absolute; top: 12px; right: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--amber);
}
.sb-tile input:focus-visible + .sb-tile__body { outline: 2px solid var(--focus); outline-offset: 2px; }
.sb-tile:active .sb-tile__body { transform: scale(0.99); }
.sb-tile__text { display: flex; flex-direction: column; min-width: 0; }
.sb-tile__title { color: var(--black); font-size: 1.02rem; font-weight: 500; line-height: 1.3; }
.sb-tile__kicker { color: var(--muted); font-size: 0.82rem; }
.sb-tile__detail { color: var(--charcoal); font-size: 0.88rem; line-height: 1.4; }
.sb-tiles--compact .sb-tile__detail { color: var(--muted); font-size: 0.8rem; }
.sb-tile__code { margin-top: 2px; color: var(--muted); font-size: 0.78rem; letter-spacing: 0.04em; }
.sb-tile__media { flex: none; width: clamp(76px, 18vw, 104px); aspect-ratio: 5 / 4; overflow: hidden; border-radius: 8px; background: #faf9f6; }
.sb-tile__media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.sb-tiles--products .sb-tile__body { padding: 10px 40px 10px 10px; }
.sb-tile__drawing { flex: none; width: 60px; height: 60px; }
.sb-tile__drawing img { width: 100%; height: 100%; object-fit: contain; }
.sb-tiles--feeds { grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 1fr)); }
.sb-tiles--feeds .sb-tile__body { padding: 8px 8px 12px; }
.sb-tile__photo { display: block; width: 100%; aspect-ratio: 366 / 240; margin-bottom: 8px; overflow: hidden; border-radius: 8px; background: #e9e9ea; }
.sb-tile__photo img { width: 100%; height: 100%; object-fit: cover; }
.sb-tiles--feeds .sb-tile__title, .sb-tiles--feeds .sb-tile__detail { padding: 0 6px; }
.sb-tile__figure { color: var(--black); font-size: 1.55rem; font-weight: 400; line-height: 1.1; font-variant-numeric: tabular-nums; }
.sb-tile__figure small { margin-left: 3px; color: var(--muted); font-size: 0.8rem; }
.sb-swatch { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--swatch); box-shadow: inset 0 0 0 1px rgba(15, 15, 16, 0.12); }
.sb-mount { width: 34px; height: 16px; margin-bottom: 8px; border-radius: 2px; background: var(--stone-deep); position: relative; }
.sb-mount::after { content: ""; position: absolute; left: 4px; right: 4px; top: 6px; height: 3px; border-radius: 2px; background: var(--amber); }
.sb-mount--none { background: transparent; }
.sb-mount--surface { box-shadow: inset 0 -3px 0 #9a9ca1; }
.sb-mount--recessed { box-shadow: inset 0 0 0 2px #9a9ca1; }
.sb-mount--corner { clip-path: polygon(0 0, 100% 100%, 0 100%); background: #c9cbcf; }

/* Runs */
.sb-runs { display: grid; gap: 12px; margin: 0 0 12px; padding: 0; list-style: none; counter-reset: run; }
.sb-run { padding: 14px; border: 1px solid var(--line-strong); border-radius: 12px; background: #fff; animation: sb-in 0.3s ease both; }
.sb-run.is-invalid { border-color: var(--amber); }
.sb-run__fields { display: grid; gap: 10px; grid-template-columns: minmax(0, 1fr) 76px 44px; grid-template-areas: "label label label" "length qty remove"; align-items: end; }
@media (min-width: 560px) { .sb-run__fields { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) 76px 44px; grid-template-areas: "label length qty remove"; } }
.sb-run__field--label { grid-area: label; }
.sb-run__field--length { grid-area: length; }
.sb-run__field--qty { grid-area: qty; }
.sb-run__remove { grid-area: remove; }
.sb-run__field label { display: block; margin-bottom: 4px; font-size: 0.82rem; font-weight: 500; color: var(--charcoal); }
.sb-run__hint { font-weight: 400; color: var(--muted); }
.sb-run__field input {
  width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: #fff; color: var(--ink); font: inherit; font-size: 1rem;
}
.sb-run__field input:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; border-color: var(--ink); }
.sb-run__remove {
  width: 44px; height: 46px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff;
  color: var(--muted); font-size: 1.4rem; line-height: 1; cursor: pointer;
}
.sb-run__remove:hover { color: var(--black); border-color: var(--ink); }
.sb-run__cuts { margin: 10px 0 0; color: var(--muted); font-size: 0.86rem; }
.sb-run.is-invalid .sb-run__cuts { color: var(--amber-ink); }
.sb-run__using { color: var(--charcoal); }
.sb-cut {
  margin: 2px 0; padding: 3px 10px; border: 1px solid var(--line-strong); border-radius: 999px; background: #fff;
  color: var(--ink); font: inherit; font-size: 0.84rem; cursor: pointer; font-variant-numeric: tabular-nums;
}
.sb-cut:hover { border-color: var(--ink); }
.sb-cut.is-current { background: var(--ink); border-color: var(--ink); color: #fff; }
.sb-add { min-height: 44px; padding: 0 16px; border: 1px dashed var(--line-strong); border-radius: 999px; background: none; color: var(--ink); font: inherit; font-size: 0.95rem; cursor: pointer; }
.sb-add:hover { border-color: var(--ink); border-style: solid; }
.sb-totals { display: flex; flex-wrap: wrap; gap: 6px 28px; margin: 16px 0 0; }
.sb-totals div { display: flex; gap: 8px; align-items: baseline; }
.sb-totals dt { color: var(--muted); font-size: 0.85rem; }
.sb-totals dd { margin: 0; color: var(--black); font-size: 1.1rem; font-variant-numeric: tabular-nums; }

/* Summary */
.sb-step--summary { border-top: 1px solid var(--line); }
.sb-summary__missing { margin: 0 0 16px; color: var(--charcoal); }
.sb-summary__missing a { color: var(--ink); text-decoration-color: var(--amber); }
.sb-summary__card { position: relative; overflow: hidden; padding: clamp(20px, 3vw, 32px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.sb-summary__card::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: var(--glow); }
.sb-summary__eyebrow { margin: 0 0 6px; color: var(--muted); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; }
.sb-summary__title { margin: 0 0 18px; font-size: clamp(1.4rem, 1.2rem + 0.8vw, 1.9rem); font-weight: 400; }
.sb-summary__rows { display: grid; gap: 0 28px; margin: 0 0 20px; }
@media (min-width: 640px) { .sb-summary__rows { grid-template-columns: 1fr 1fr; } }
.sb-summary__rows div { display: grid; grid-template-columns: 8.5rem 1fr; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 0.95rem; }
.sb-summary__rows dt { color: var(--muted); }
.sb-summary__rows dd { margin: 0; color: var(--black); }
.sb-summary__table-wrap { overflow-x: auto; margin: 0 0 20px; }
.sb-summary__table { width: 100%; border-collapse: collapse; font-size: 0.92rem; font-variant-numeric: tabular-nums; }
.sb-summary__table th { padding: 8px 10px 8px 0; color: var(--muted); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em; text-align: left; text-transform: uppercase; border-bottom: 1px solid var(--line-strong); }
.sb-summary__table td { padding: 10px 10px 10px 0; border-bottom: 1px solid var(--line); }
.sb-summary__totals { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 0 0 20px; }
@media (min-width: 640px) { .sb-summary__totals { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.sb-summary__totals div { padding: 12px 14px; border-radius: 10px; background: var(--stone); }
.sb-summary__totals dt { color: var(--muted); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; }
.sb-summary__totals dd { margin: 2px 0 0; color: var(--black); font-size: 1.1rem; }
.sb-spec { margin: 0 0 18px; padding: 12px 16px; border-left: 3px solid var(--amber); background: var(--stone); border-radius: 0 var(--radius) var(--radius) 0; }
.sb-spec__label { margin: 0 0 4px; color: var(--muted); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; }
.sb-spec__text { margin: 0; color: var(--black); font-size: 0.95rem; overflow-wrap: anywhere; user-select: all; }
.sb-summary__links { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0; font-size: 0.92rem; }
.sb-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 22px; }
.sb-link-button { padding: 6px 2px; border: 0; background: none; color: var(--ink); font: inherit; font-size: 0.95rem; cursor: pointer; text-decoration: underline; text-decoration-color: var(--amber); text-underline-offset: 0.25em; }
.sb-actions__status { min-height: 1.6em; margin: 12px 0 0; color: var(--charcoal); font-size: 0.95rem; }
.sb-actions__status .text-link { margin-left: 6px; }

/* Send form */
.sb-send { margin-top: 28px; padding: clamp(20px, 3vw, 32px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--stone); scroll-margin-top: calc(var(--header-height) + 16px); animation: sb-in 0.4s ease both; }
.sb-send__title { margin: 0; font-size: 1.4rem; font-weight: 500; }
.sb-send__title:focus { outline: none; }
.sb-send__intro { margin: 0; color: var(--muted); }
.sb-send .field textarea { min-height: 110px; }

/* Toast and phone mini bar */
.sb-toast {
  position: fixed; left: 50%; bottom: 76px; z-index: 60; max-width: min(92vw, 520px); margin: 0; padding: 12px 18px;
  border-radius: 12px; background: var(--black); color: #fff; font-size: 0.92rem; box-shadow: 0 18px 40px -20px rgba(0, 0, 0, 0.6);
  opacity: 0; transform: translate(-50%, 12px); pointer-events: none; transition: opacity 0.25s ease, transform 0.25s ease;
}
.sb-toast:empty { display: none; }
.sb-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.sb-mini {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55; display: flex; align-items: center; gap: 10px;
  padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom)); background: rgba(15, 15, 16, 0.94); color: #fff; font-size: 0.9rem;
  transform: translateY(110%); transition: transform 0.3s ease;
}
.sb-mini.is-visible { transform: none; }
.sb-mini span:nth-child(2) { flex: 1; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.sb-mini a { color: #fff; text-decoration-color: var(--amber); }
.sb-mini__dot { flex: none; width: 12px; height: 12px; border-radius: 50%; background: var(--light); box-shadow: 0 0 10px 2px var(--light); }
@media (min-width: 960px) { .sb-mini { display: none; } .sb-toast { bottom: 28px; } }

@keyframes sb-in { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .sb-tile, .sb-step__body, .sb-run, .sb-send, .sb-stage__chips li { animation: none; }
  .sb-photo, .sb-mini, .sb-toast { transition: none; }
}

/* Print: the summary only */
@media print {
  .site-header, .site-footer, .skip-link, .cta-band, .breadcrumbs, .sb-head .lede, .sb-stage, .sb-config, .sb-actions,
  .sb-actions__status, .sb-send, .sb-mini, .sb-toast, .sb-edit { display: none !important; }
  .sb { display: block; padding: 0; }
  .sb-step--summary { border: 0; padding: 0; }
  .sb-summary__card { border: 0; padding: 0; }
  .sb-summary__card::before { display: none; }
}

/* Text-only tiles (control, power, IP) stack their title over the detail. */
.sb-tile__body:has(> .sb-tile__title) { flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; }
@media (max-width: 559px) {
  .sb-actions .button { flex: 1 1 100%; }
  .sb-summary__rows div { grid-template-columns: 7rem 1fr; }
}
/* Colour light reads saturated; whites are softened towards white above. */
.sb[data-colour="rgbw"] [data-chip="cob"] .sb-scene__line, .sb[data-colour="rgbtw"] [data-chip="cob"] .sb-scene__line { background: var(--light); }