/* -------- TOPBAR -------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;background:#0a0a0c;border-bottom:1px solid #25252a;
  color:#f5f5f5;
}
.topbar__brand{display:flex;align-items:center;gap:14px}
.topbar__logo{height:36px;width:auto;object-fit:contain;filter:brightness(1.1)}
.topbar__title{font-family:"proxima-nova",sans-serif;font-weight:600;font-size:15px;letter-spacing:.08em;text-transform:uppercase}
.topbar__sub{font-family:"proxima-nova",sans-serif;font-weight:300;font-size:11px;color:#7d7d83;letter-spacing:.06em}
.topbar__tag{font-family:"proxima-nova",sans-serif;font-weight:300;font-style:italic;color:#c8a96a;font-size:15px;letter-spacing:.02em}

/* -------- LAYOUT -------- */
.studio{
  display:grid;grid-template-columns:380px 1fr;
  gap:0;min-height:calc(100vh - 65px);background:#101013;
}
.rail{
  background:#16161a;color:#e8e8ea;
  padding:24px 22px;border-right:1px solid #25252a;
  overflow-y:auto;max-height:calc(100vh - 65px);
}
.rail__section{padding:14px 0;border-bottom:1px solid #24242a}
.rail__section:last-child{border-bottom:0}
.rail__h{
  font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:#9b9ba2;margin-bottom:10px;font-weight:600;
}
.rail__blurb{
  font-size:12px;color:#a8a8b0;margin-top:8px;line-height:1.5;
}
.rail__hint{
  font-size:11px;color:#7c7c85;margin-top:6px;
}
.rail__sub{
  font-size:11px;color:#8a8a92;margin:-4px 0 8px;line-height:1.4;font-style:italic;
}

/* -------- TILES -------- */
.tiles{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.tiles--pattern{grid-template-columns:repeat(3,1fr)}
.tile{
  aspect-ratio:1;border:1px solid #2a2a30;border-radius:4px;
  background:#222 center/cover;cursor:pointer;position:relative;
  transition:border-color .15s, transform .15s;
}
.tile:hover{border-color:#c8a96a}
.tile.is-active{border-color:#c8a96a;border-width:2px;outline:2px solid #c8a96a44}
.tile__label{
  position:absolute;left:0;right:0;bottom:0;
  font-size:9px;text-align:center;padding:2px 0;
  background:rgba(10,10,12,.75);color:#e8e8ea;
  letter-spacing:.04em;text-transform:uppercase;
  opacity:0;transition:opacity .15s;
}
.tile:hover .tile__label,.tile.is-active .tile__label{opacity:1}

/* -------- SWATCHES -------- */
.swatches{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}
.swatch{
  aspect-ratio:1;border:1px solid #2a2a30;border-radius:50%;
  cursor:pointer;background:#888;transition:transform .15s, border-color .15s;
}
.swatch:hover{transform:scale(1.1);border-color:#c8a96a}
.swatch.is-active{border-color:#c8a96a;border-width:2px;outline:2px solid #c8a96a44}
.custom-color{
  display:flex;align-items:center;gap:8px;margin-top:10px;
  font-size:12px;color:#a8a8b0;
}
.custom-color input[type=color]{
  width:32px;height:32px;border:1px solid #2a2a30;border-radius:4px;padding:0;background:none;cursor:pointer;
}
.custom-color code{font-size:11px;letter-spacing:.05em;color:#c8a96a}

/* -------- SEGMENTED CONTROL -------- */
.seg{display:flex;background:#0e0e12;border:1px solid #2a2a30;border-radius:4px;overflow:hidden;flex-wrap:wrap}
.seg__btn{
  flex:1 0 auto;padding:8px 6px;font-size:12px;letter-spacing:.04em;
  color:#a8a8b0;background:transparent;
  border-right:1px solid #2a2a30;
  min-width:0;text-align:center;
}
.seg__btn:last-child{border-right:0}
.seg__btn:hover{color:#fff;background:#1c1c22}
.seg__btn.is-active{color:#0a0a0c;background:#c8a96a;font-weight:600}
.seg__btn[hidden]{display:none}
.seg--small .seg__btn{padding:6px 8px;font-size:11px}
/* Finish has 5-6 buttons; let them wrap to a second row gracefully. */
.seg--finish .seg__btn{flex:1 1 calc(33.33% - 1px);padding:7px 4px;font-size:11px}
.seg--type .seg__btn{padding:9px 4px;font-size:12px}
.seg--interlayer .seg__btn{padding:7px 4px;font-size:11px;flex:1 1 25%}

/* -------- SLIDER -------- */
.slider{display:flex;align-items:center;gap:10px}
.slider input[type=range]{flex:1;accent-color:#c8a96a}
.slider output{font-size:12px;color:#c8a96a;min-width:40px;text-align:right}
.slider--inline{margin-top:10px;font-size:11px;color:#a8a8b0}
.slider--inline label{
  font-size:10px;letter-spacing:.08em;text-transform:uppercase;
  color:#7d7d83;min-width:30px;
}

/* -------- STAGE -------- */
.stage{
  display:flex;flex-direction:column;background:#101013;color:#e8e8ea;
  padding:18px 24px 24px;
}
.stage__toolbar{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:14px;gap:14px;
}
.stage__env{display:flex;align-items:center;gap:8px;font-size:12px;color:#a8a8b0}
.stage__env select{
  background:#0e0e12;border:1px solid #2a2a30;border-radius:4px;
  color:#e8e8ea;padding:5px 8px;font-size:12px;
}
.stage__lighting{display:flex;align-items:center;gap:8px;font-size:12px;color:#a8a8b0}
.stage__lighting-label{
  font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#7d7d83;
}
.stage__lighting .seg{min-width:170px}

/* -------- PREVIEW (3D Three.js canvas) -------- */
.preview{
  position:relative;aspect-ratio:4/3;width:100%;margin:0 auto 18px;
  border-radius:6px;overflow:hidden;background:#0a0a0c;
  box-shadow:0 24px 60px -24px rgba(0,0,0,.7),0 0 0 1px #25252a;
}
.preview__canvas{
  display:block;width:100%;height:100%;
  cursor:grab;
  background:#a8a8ad;
}
.preview__canvas:active{cursor:grabbing}
.preview__hint{
  position:absolute;left:0;right:0;bottom:10px;
  text-align:center;font-size:11px;color:rgba(20,20,24,.55);
  letter-spacing:.04em;pointer-events:none;
  font-style:italic;text-shadow:0 1px 0 rgba(255,255,255,.4);
}

/* -------- SPEC SHEET -------- */
.spec{
  background:#16161a;border:1px solid #25252a;border-radius:6px;
  padding:18px 22px;color:#e8e8ea;
}
.spec__header{
  display:flex;justify-content:space-between;align-items:baseline;
  margin-bottom:12px;
}
.spec__h{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:#9b9ba2;font-weight:600;
}
.spec__code{
  font-size:13px;color:#c8a96a;letter-spacing:.06em;
}
.spec__list{
  display:grid;grid-template-columns:1fr 1fr;gap:6px 24px;
  font-size:13px;margin-bottom:14px;
}
.spec__list dt{color:#7d7d83;font-size:11px;letter-spacing:.05em;text-transform:uppercase}
.spec__list dd{color:#e8e8ea;margin:0 0 6px}
.spec__actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{
  padding:9px 14px;border:1px solid #2a2a30;border-radius:4px;
  background:#0e0e12;color:#e8e8ea;font-size:12px;letter-spacing:.04em;
  transition:background .15s,border-color .15s;
}
.btn:hover{background:#1c1c22;border-color:#3a3a44}
.btn--primary{background:#c8a96a;color:#0a0a0c;border-color:#c8a96a;font-weight:600}
.btn--primary:hover{background:#d8b97a;border-color:#d8b97a}
.btn--ghost{background:transparent}
.spec__note{
  font-size:11px;color:#6a6a72;margin-top:12px;font-style:italic;
}

/* -------- GALLERY -------- */
.gallery{
  background:#13131a;border:1px solid #25252a;border-radius:6px;
  border-left:3px solid #c8a96a;
  padding:18px 22px;color:#e8e8ea;margin-bottom:14px;
}
.gallery__header{margin-bottom:14px}
.gallery__eyebrow{
  display:inline-block;
  font-size:9px;letter-spacing:.18em;text-transform:uppercase;
  color:#c8a96a;font-weight:700;margin-bottom:6px;
  padding:3px 8px;background:rgba(200,169,106,.1);border-radius:3px;
}
.gallery__h{
  font-size:14px;letter-spacing:.02em;
  color:#e8e8ea;font-weight:600;margin-bottom:4px;
  text-transform:none;
}
.gallery__sub{
  font-size:12px;color:#7d7d83;
}
.gallery__grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
  gap:10px;
}
.gallery__card{
  position:relative;aspect-ratio:4/3;border-radius:5px;overflow:hidden;
  cursor:pointer;background:#0a0a0c center/cover;
  border:1px solid #25252a;transition:transform .2s, border-color .2s;
}
.gallery__card:hover{
  border-color:#c8a96a;transform:translateY(-2px);
}
.gallery__card:focus-visible{outline:2px solid #c8a96a;outline-offset:2px}
.gallery__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:8px 10px 7px;
  background:linear-gradient(to top,rgba(10,10,12,.92) 0%,rgba(10,10,12,.7) 60%,transparent 100%);
  color:#e8e8ea;
}
.gallery__title{
  font-size:11px;line-height:1.3;font-weight:600;
  letter-spacing:.02em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gallery__loc{
  font-size:10px;color:#c8a96a;margin-top:2px;letter-spacing:.04em;
}
.gallery__empty{
  font-size:12px;color:#6a6a72;font-style:italic;padding:14px 0;
}
.gallery__code{
  font-family:"proxima-nova",monospace;font-size:9px;letter-spacing:.05em;
  color:#c8a96a;margin-top:3px;opacity:.85;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
/* "Load this spec" — hidden until hover/focus so cards stay clean as eye candy,
   then surfaces the action that turns one into a starting point. */
.gallery__load{
  position:absolute;top:6px;right:6px;z-index:2;
  font-family:"proxima-nova",sans-serif;font-size:9px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;
  color:#0a0a0c;background:#c8a96a;border:none;border-radius:3px;
  padding:5px 8px;cursor:pointer;
  opacity:0;transform:translateY(-3px);pointer-events:none;
  transition:opacity .15s,transform .15s,background .15s;
}
.gallery__card:hover .gallery__load,
.gallery__card:focus-within .gallery__load,
.gallery__load:focus-visible{
  opacity:1;transform:translateY(0);pointer-events:auto;
}
.gallery__load:hover{background:#dcc084}
.gallery__load:focus-visible{outline:2px solid #fff;outline-offset:2px}

/* -------- TOAST -------- */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,12px);
  z-index:1500;max-width:520px;
  background:rgba(16,16,22,.97);border:1px solid #c8a96a;border-radius:5px;
  color:#e8e8ea;font-size:12px;letter-spacing:.02em;
  padding:10px 16px;box-shadow:0 14px 32px -10px rgba(0,0,0,.7);
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
}
.toast.is-visible{opacity:1;transform:translate(-50%,0)}

/* -------- SPEC FLYOUT (upper right, persistent CTAs) -------- */
.spec-flyout{
  position:fixed;top:80px;right:20px;z-index:200;
  width:300px;
  background:rgba(16,16,22,.96);
  border:1px solid #25252a;border-radius:6px;
  box-shadow:0 18px 40px -12px rgba(0,0,0,.7);
  color:#e8e8ea;
  backdrop-filter:blur(10px);
}
.spec-flyout__head{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 14px;border-bottom:1px solid #25252a;
}
.spec-flyout__codewrap{display:flex;flex-direction:column;gap:2px}
.spec-flyout__code{
  font-family:"proxima-nova",monospace;font-size:11px;
  color:#c8a96a;letter-spacing:.06em;font-weight:600;
  display:block;
}
.spec-flyout__legend{
  font-family:"proxima-nova",sans-serif;font-size:8px;
  color:#5a5a60;letter-spacing:.08em;text-transform:uppercase;font-weight:400;
  display:block;
}
.spec-flyout__toggle{
  font-family:"proxima-nova",sans-serif;font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;color:#9b9ba2;font-weight:600;
  background:transparent;border:1px solid #2a2a30;border-radius:3px;
  padding:4px 8px;cursor:pointer;display:flex;align-items:center;gap:5px;
  transition:color .15s,border-color .15s;
}
.spec-flyout__toggle:hover{color:#c8a96a;border-color:#c8a96a}
.spec-flyout__chevron{display:inline-block;transition:transform .2s}
.spec-flyout__toggle[aria-expanded="true"] .spec-flyout__chevron{transform:rotate(180deg)}
.spec-flyout__body{
  padding:12px 14px;border-bottom:1px solid #25252a;
  max-height:60vh;overflow-y:auto;
}
.spec-flyout__body[hidden]{display:none}
.spec-flyout__body .spec__list{
  display:grid;grid-template-columns:1fr 1fr;gap:5px 12px;
  font-size:12px;margin-bottom:10px;
}
.spec-flyout__body .spec__list dt{
  color:#7d7d83;font-size:10px;letter-spacing:.06em;text-transform:uppercase;
  font-weight:600;
}
.spec-flyout__body .spec__list dd{color:#e8e8ea;margin:0 0 4px}
.spec-flyout__body .spec__note{
  font-size:10px;color:#6a6a72;font-style:italic;margin-top:6px;line-height:1.4;
}
.spec-flyout__actions{
  display:flex;gap:6px;padding:10px 14px;flex-wrap:wrap;
}
.spec-flyout__actions .btn{
  font-family:"proxima-nova",sans-serif;font-size:11px;
  padding:7px 10px;letter-spacing:.05em;flex:1;text-align:center;
}

/* -------- LIGHTBOX -------- */
.lightbox{
  position:fixed;inset:0;z-index:1000;
  background:rgba(8,8,10,.94);
  display:flex;align-items:center;justify-content:center;
  padding:48px;
}
.lightbox[hidden]{display:none}
.lightbox__inner{
  margin:0;max-width:1200px;max-height:100%;display:flex;flex-direction:column;
  background:#0a0a0c;border:1px solid #25252a;border-radius:6px;overflow:hidden;
  box-shadow:0 30px 80px -20px rgba(0,0,0,.7);
}
.lightbox__inner img{
  display:block;max-width:100%;max-height:80vh;width:auto;height:auto;
  background:#0a0a0c;
}
.lightbox__caption{
  padding:14px 20px;color:#e8e8ea;font-size:13px;
  border-top:1px solid #25252a;background:#16161a;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.lightbox__caption strong{display:block;margin-bottom:2px;color:#fff;font-weight:600}
.lightbox__caption span{color:#c8a96a;font-size:12px;letter-spacing:.04em}
.lightbox__code{
  display:block;margin-top:6px;
  font-family:"proxima-nova",monospace;font-size:11px;letter-spacing:.06em;
  color:#9b9ba2;
}
.lightbox__load{flex:none;white-space:nowrap}
.lightbox__close{
  position:absolute;top:18px;right:24px;
  width:36px;height:36px;border-radius:50%;
  background:#16161a;border:1px solid #25252a;color:#e8e8ea;
  font-size:22px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .15s,border-color .15s;
}
.lightbox__close:hover{background:#1c1c22;border-color:#c8a96a;color:#c8a96a}

/* The per-section interlayer/finish pattern tiles are superseded by the single
   always-visible #pattern-picker. Keep them in the DOM (app.js still populates
   them) but never show them, so there's one place to pick a pattern. */
#interlayer-tiles,#finish-tiles{display:none !important}

/* ---- Zoom / framing buttons overlaid on the preview ---- */
.preview__zoom{
  position:absolute;top:12px;right:12px;display:flex;gap:6px;z-index:6;
}
.zoom-btn{
  min-width:34px;height:34px;padding:0 8px;border-radius:6px;
  border:1px solid #2c2c33;background:rgba(16,16,18,.78);color:#e8e8ea;
  font-size:18px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  transition:border-color .15s,color .15s,background .15s;
}
.zoom-btn:hover{border-color:#c8a96a;color:#c8a96a;background:rgba(20,20,24,.9)}
.zoom-btn--reset{font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:0 12px}

/* 45° rotation keypad — 3×3 grid, arrows on the edges, reset in the middle. */
.preview__dpad{
  position:absolute;top:12px;left:12px;z-index:6;
  display:grid;grid-template-columns:repeat(3,32px);grid-template-rows:repeat(3,32px);
  gap:4px;
}
.dpad-btn{
  border:1px solid #2c2c33;background:rgba(16,16,18,.78);color:#e8e8ea;
  border-radius:6px;font-size:12px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  transition:border-color .15s,color .15s,background .15s;
}
.dpad-btn:hover{border-color:#c8a96a;color:#c8a96a;background:rgba(20,20,24,.9)}
.dpad-btn:focus-visible{outline:2px solid #c8a96a;outline-offset:2px}
.dpad-btn:active{background:rgba(200,169,106,.25)}
.dpad-btn--up{grid-column:2;grid-row:1}
.dpad-btn--left{grid-column:1;grid-row:2}
.dpad-btn--home{grid-column:2;grid-row:2;font-size:14px;color:#9b9ba2}
.dpad-btn--right{grid-column:3;grid-row:2}
.dpad-btn--down{grid-column:2;grid-row:3}

/* ---- Collapsible rail sections (click a heading to fold) ---- */
.rail__h{
  cursor:pointer;user-select:none;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.rail__h::after{
  content:"\25BE";font-size:10px;color:#9b9ba2;flex:0 0 auto;
  transition:transform .15s,color .15s;
}
.rail__h:hover::after{color:#c8a96a}
.rail__section.is-collapsed .rail__h::after{transform:rotate(-90deg)}
.rail__section.is-collapsed .rail__h{margin-bottom:0}
.rail__section.is-collapsed > *:not(.rail__h){display:none}