:root{font-family:Arial,Helvetica,sans-serif;color:#253028;background:#fdfdfb;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select{cursor:pointer}button{transition:background .16s,border-color .16s}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #719169;outline-offset:4px}header{height:84px;padding:0 36px;border-bottom:1px solid #e3e6df;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff}.brand{text-decoration:none;color:#253028;font-size:25px;letter-spacing:4px;display:flex;align-items:center;gap:22px;white-space:nowrap}.brand span{border-left:1px solid #d7dcd3;padding-left:22px;font-size:11px;letter-spacing:2px;font-weight:700}.header-note{font-size:14px;color:#747c73}.primary{border:0;border-radius:7px;background:#293c2e;color:white;padding:13px 21px;font-size:15px;display:flex;gap:13px;align-items:center}.primary:hover{background:#405941}.primary:disabled{opacity:.5}main{display:grid;grid-template-columns:minmax(0,1fr) 362px;height:calc(100dvh - 84px);min-height:650px}.workspace{background:#eaece7;display:flex;flex-direction:column;padding:25px 32px 17px;min-width:0;overflow:hidden}.workspace-top{display:flex;justify-content:space-between;gap:10px}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:700;color:#6d796b}.small{font-size:12px;color:#7e887b}#frame-area{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:22px 0}#frame{position:relative;background:#f5f3ee;box-shadow:0 14px 40px #34413016;max-width:100%;max-height:100%;overflow:hidden}#canvas-host{position:absolute;inset:0}canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}canvas:active{cursor:grabbing}.frame-tag{position:absolute;left:13px;top:13px;font-size:11px;color:#80857b;pointer-events:none}#loading{position:absolute;inset:0;display:grid;place-items:center;font-size:14px;background:#f7f6f2}#guides{position:absolute;inset:0;pointer-events:none;background:linear-gradient(to right,transparent calc(33.333% - .5px),#6d796b44 33.333%,transparent calc(33.333% + .5px),transparent calc(66.666% - .5px),#6d796b44 66.666%,transparent calc(66.666% + .5px)),linear-gradient(to bottom,transparent calc(33.333% - .5px),#6d796b44 33.333%,transparent calc(33.333% + .5px),transparent calc(66.666% - .5px),#6d796b44 66.666%,transparent calc(66.666% + .5px))}.hidden{display:none!important}.viewport-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px}.mouse-hints{display:flex;gap:20px;color:#626e5d;font-size:12px}.text-button{padding:0;border:0;background:none;color:#4e624b;font-size:12px}.text-button:hover{text-decoration:underline}.readout{display:flex;justify-content:space-between;font-size:11px;color:#7d8677;margin-top:16px;border-top:1px solid #d6dcd0;padding-top:14px;font-variant-numeric:tabular-nums}aside{overflow-y:auto;padding:29px 27px 20px;background:#fdfdfb;border-left:1px solid #e0e4da}.panel-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.panel-title h1{font-size:25px;font-weight:400;letter-spacing:-.8px;margin:10px 0 0}.index{font-family:Georgia,serif;font-style:italic;font-size:38px;color:#c1cbb9}.control-section{border-top:1px solid #e3e7de;padding:19px 0}h2{font-size:14px;font-weight:600;margin:0 0 15px;display:flex;align-items:center;justify-content:space-between}h2 span{font-size:11px;font-weight:400;color:#899280}.presets{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.presets button{border:1px solid #dce2d5;border-radius:5px;padding:10px 2px;background:#fff;font-size:12px;color:#65705d}.presets button:hover{background:#eef1e9}.presets button.active{background:#e7eedf;border-color:#b0bf9e;color:#314b29}.slider-control{margin:15px 0 19px}.slider-control:last-child{margin-bottom:0}.slider-heading{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#67735f;margin-bottom:8px}.number{width:69px;background:#f3f5ef;border:1px solid #e2e7da;border-radius:4px;padding:3px 5px;text-align:right;font-size:12px;color:#405038;appearance:textfield}.number::-webkit-inner-spin-button{appearance:none}input[type=range]{display:block;width:100%;height:4px;accent-color:#647d53;cursor:pointer;margin:13px 0;background:#e3e8db}input[type=range]::-webkit-slider-thumb{cursor:ew-resize}.field-line,.switch-line{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#64725c;margin-top:18px;gap:12px}select{border:1px solid #dae1d2;border-radius:5px;padding:7px 9px;color:#4b5e42;background:white;font-size:12px;max-width:170px}.switch-line{cursor:pointer;position:relative}.switch-line input{position:absolute;right:0;opacity:0}.toggle{width:31px;height:18px;background:#dce2d4;border-radius:20px;position:relative;flex-shrink:0}.toggle:after{content:'';position:absolute;left:3px;top:3px;background:#fff;width:12px;height:12px;border-radius:50%;transition:transform .15s}.switch-line input:checked+.toggle{background:#637c53}.switch-line input:checked+.toggle:after{transform:translateX(13px)}.switch-line input:focus-visible+.toggle{outline:2px solid #719169;outline-offset:3px}.swatches{display:flex;gap:6px}.swatches button{background:white;border:1px solid #e0e5d9;border-radius:4px;padding:6px;font-size:11px;display:flex;align-items:center;gap:5px;color:#65725b}.swatches button.selected{border-color:#839b70}.swatches i{display:block;width:14px;height:14px;background:#f5f3ee;border:1px solid #e3e2dc;border-radius:50%}.swatches button:last-child i{background:white}.footnote{font-size:12px;line-height:1.65;color:#87917f;border-top:1px solid #e3e7de;padding-top:16px;margin:0}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);background:#263b2b;color:white;border-radius:7px;font-size:14px;padding:13px 22px;opacity:0;pointer-events:none;transition:.2s}#toast.show{opacity:1;transform:translate(-50%,0)}@media(min-height:1000px){aside{padding-top:38px}.control-section{padding-top:24px;padding-bottom:24px}}@media(max-width:950px){.header-note{display:none}main{grid-template-columns:minmax(0,1fr) 320px}.workspace{padding:22px 18px 16px}.mouse-hints{gap:9px;font-size:10px}aside{padding:24px 20px}.small{display:none}}@media(max-width:700px){header{height:70px;padding:0 17px}.brand{font-size:20px;letter-spacing:2px;gap:10px}.brand span{padding-left:10px;font-size:8px;letter-spacing:1px}.primary{font-size:13px;padding:11px 12px;gap:7px}main{height:auto;min-height:0;display:block}.workspace{height:68dvh;min-height:440px;padding:18px 18px 12px}.workspace-top .eyebrow{font-size:10px}aside{overflow:visible;padding:25px 22px}.mouse-hints{font-size:10px;gap:10px}.panel-title{margin-bottom:22px}.control-section{padding:20px 0}input[type=range]{height:7px;margin:18px 0}.presets button{padding:13px 4px;font-size:14px}.slider-heading,.field-line,.switch-line{font-size:14px}.footnote{font-size:13px}.number{font-size:14px}.viewport-bottom{gap:4px}.text-button{font-size:11px}}
.export-actions{display:flex;align-items:center;gap:10px}.copy-button{background:white;color:#293c2e;border:1px solid #a9b6a1;padding:12px 18px;border-radius:7px;font-size:15px;white-space:nowrap}.copy-button:hover{background:#eef2e9}.copy-button:disabled{opacity:.5;cursor:wait}#copy-fallback{border:1px solid #dce2d5;border-radius:12px;padding:18px;max-width:min(90vw,760px);max-height:90dvh;color:#253028;background:#fdfdfb}#copy-fallback::backdrop{background:#18251ab3}.copy-dialog-heading{display:flex;align-items:flex-start;gap:20px;justify-content:space-between;margin-bottom:15px}.copy-dialog-heading p{font-size:14px;line-height:1.5;margin:0}.copy-dialog-heading button{border:0;background:#e9eee3;border-radius:5px;padding:6px 10px;color:#293c2e}#copy-preview{display:block;max-width:100%;max-height:70dvh;object-fit:contain;margin:auto}@media(max-width:700px){header{height:auto;min-height:70px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap;gap:12px}.export-actions{margin-left:auto;gap:7px}.copy-button{font-size:13px;padding:10px 12px}}
.lens-help{font-size:12px;color:#7c8873;line-height:1.6;margin:12px 0 0}.lens-presets{margin-top:18px}.readout{flex-wrap:wrap;gap:7px}

/* subject picker: same chips as the angle presets, plus a file input that
   matches the panel instead of the browser default */
.subject-presets{grid-template-columns:repeat(2,1fr)}
#artwork{max-width:58%;font-size:12px;color:var(--ink,#f5f3ee)}
#artwork::file-selector-button{font:inherit;padding:6px 10px;margin-right:8px;
  border-radius:6px;border:1px solid rgba(245,243,238,.25);
  background:rgba(245,243,238,.08);color:inherit;cursor:pointer}
#artwork::file-selector-button:hover{background:rgba(245,243,238,.16)}
#clear-artwork{margin-top:10px}

/* ---------------------------------------------------------------------------
   Embedded layout. This runs inside an iframe on Luka's platform, so sizing to
   100dvh (the iframe's own viewport) plus a 650px floor made the page taller
   than the space it was given — hence scrolling to reach any control. Size to
   the iframe exactly instead, and keep only the side panel scrollable.
--------------------------------------------------------------------------- */
html,body{height:100%}
body{overflow:hidden}
header{height:60px;padding:0 20px}
.brand{font-size:19px;letter-spacing:2.5px;gap:14px}
.brand span{padding-left:14px}
main{height:calc(100% - 60px);min-height:0}
.workspace{padding:14px 20px 10px}
#frame-area{padding:12px 0}
aside{padding:20px 22px 24px}
.panel-title{margin-bottom:16px}
.panel-title h1{font-size:21px}
.index{font-size:30px}

/* the always-visible bar under the viewport */
.quickbar{display:flex;flex-direction:column;gap:7px;margin:2px 0 10px;
  padding:10px 12px;background:#f1f3ee;border:1px solid #dfe4d8;border-radius:8px}
.qrow{display:flex;align-items:center;gap:10px;min-width:0}
.qlabel{font-size:10px;letter-spacing:1.4px;font-weight:700;color:#6d796b;
  width:52px;flex:0 0 auto}
.qbtns{display:flex;gap:5px;flex-wrap:wrap;min-width:0}
.qbtns button{border:1px solid #dce2d5;border-radius:5px;background:#fff;
  font-size:11.5px;color:#65705d;padding:6px 9px;white-space:nowrap}
.qbtns button:hover{background:#eef1e9}
.qbtns button.active{background:#e7eedf;border-color:#b0bf9e;color:#314b29}
.qmm{font-size:11px;color:#8b9487}

/* Side-by-side much sooner — stacking is what pushed the controls off-screen.
   The quick bar means the panel is a bonus, not a necessity. */
@media(max-width:950px){main{grid-template-columns:minmax(0,1fr) 300px}}
@media(max-width:820px){main{grid-template-columns:minmax(0,1fr) 260px}
  aside{padding:16px 14px}.presets{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){main{display:block;height:auto}body{overflow:auto}
  .workspace{height:auto}aside{overflow:visible}}
@media(max-height:620px){header{height:52px}main{height:calc(100% - 52px)}
  .quickbar{gap:5px;padding:8px 10px}.qbtns button{padding:5px 8px}}

/* ---------------------------------------------------------------------------
   Platform skin. Same variables as static/longform.html, so the studio stops
   looking like a different product bolted into the page. Declared last and
   scoped to plain selectors so it overrides the original light theme without
   editing it — the upstream viewer stays intact underneath.
--------------------------------------------------------------------------- */
:root{
  --bg:#0f1115; --panel:#171a21; --panel2:#1e222b; --line:#2a2f3a;
  --text:#e8eaf0; --muted:#8b93a5; --accent:#5b8cff;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color:var(--text); background:var(--bg);
  font-family:var(--mono);
}
body{background:var(--bg);color:var(--text)}
header{background:var(--panel);border-bottom:1px solid var(--line)}
.brand{color:var(--text)}
.brand span{border-left-color:var(--line);color:var(--muted)}
.header-note,.small,.eyebrow,.qlabel,.qmm,.mouse-hints,.readout,.footnote,
h2 span,.slider-heading,.field-line,.switch-line,.panel-title .index{color:var(--muted)}
.primary{background:var(--accent);color:#0b1020;font-weight:700}
.primary:hover{background:#7aa2ff}
.copy-button{background:var(--panel2);color:var(--text);border-color:var(--line)}
.copy-button:hover{background:#262c38}

.workspace{background:var(--bg)}
#frame{background:var(--panel2);box-shadow:0 14px 40px #00000055}
#loading{background:var(--panel2);color:var(--muted)}
.frame-tag{color:var(--muted)}
.readout{border-top-color:var(--line)}
aside{background:var(--panel);border-left:1px solid var(--line)}
.panel-title h1{color:var(--text)}
.control-section{border-top-color:var(--line)}
h2{color:var(--text)}
.text-button{color:var(--accent)}

.quickbar{background:var(--panel);border-color:var(--line)}
.presets button,.qbtns button,.swatches button,select,.number{
  background:var(--panel2);border-color:var(--line);color:var(--text)}
.presets button:hover,.qbtns button:hover,.swatches button:hover{background:#262c38}
/* Luka is colourblind: selected must differ by FILL BRIGHTNESS and border
   weight, not hue. A blue-vs-grey difference alone would be invisible. */
.presets button.active,.qbtns button.active,.swatches button.selected{
  background:#31405e;border-color:var(--accent);color:#dce6ff;font-weight:700}
input[type=range]{accent-color:var(--accent);background:var(--line)}
.toggle{background:var(--line)}
.switch-line input:checked+.toggle{background:var(--accent)}
#toast{background:var(--panel2);color:var(--text);border:1px solid var(--line)}
#copy-fallback{background:var(--panel);border-color:var(--line);color:var(--text)}
#copy-fallback::backdrop{background:#000000bf}
.copy-dialog-heading button{background:var(--panel2);color:var(--text)}
#artwork{color:var(--text)}
#artwork::file-selector-button{background:var(--panel2);border-color:var(--line);
  color:var(--text)}
#artwork::file-selector-button:hover{background:#262c38}
button:focus-visible,input:focus-visible,select:focus-visible{outline-color:var(--accent)}