:root{--bg:#f5f4f0;--fg:#1c1c1b;--card:#fff;--line:#dcdad3;--muted:#5a5852;--accent:#1f5d8c;--accent-ink:#fff;--hl:#ff9a1f}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#171716;--fg:#ecebe6;--card:#222220;--line:#3b3a36;--muted:#a9a79f;--accent:#7fb2dc;--accent-ink:#0d1a24}}
:root[data-theme="dark"]{--bg:#171716;--fg:#ecebe6;--card:#222220;--line:#3b3a36;--muted:#a9a79f;--accent:#7fb2dc;--accent-ink:#0d1a24}
*{box-sizing:border-box}
[hidden]{display:none !important}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--fg)}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:10px 20px;border-bottom:1px solid var(--line);background:var(--card);flex-wrap:wrap}
.brand{font-size:17px}.tag{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:10px;padding:1px 8px;margin-left:6px}
.steps{display:flex;gap:6px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--muted)}
.steps li{padding:3px 10px;border-radius:12px}.steps li.on{background:var(--accent);color:var(--accent-ink)}.steps li.done{color:var(--fg)}
.gaps{margin:0;padding:6px 20px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--line)}
main{max-width:1500px;margin:0 auto;padding:16px 20px 40px}
h1{font-size:21px;margin:0 0 8px}h2{font-size:15px;margin:16px 0 8px}.lead{color:var(--muted);margin:0 0 14px}
.thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.thumbs button{display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--card);cursor:pointer;text-align:left;color:var(--fg);font:inherit}
.thumbs button:hover,.thumbs button:focus-visible{border-color:var(--accent);outline:2px solid var(--accent)}
.thumbs img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}.thumbs span{display:block;padding:6px 10px;font-size:13px}
.split{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:20px;align-items:start}
.stage{position:relative;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px}
.stage canvas{width:100%;height:auto;display:block;border-radius:4px;cursor:crosshair}
.busy{position:absolute;top:16px;left:16px;margin:0;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:4px 10px;font-size:13px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;position:sticky;top:12px}
.panel p{margin:0 0 10px}.hint,.note{color:var(--muted);font-size:13px}
button,.button{font:inherit;min-height:40px;padding:8px 14px;border:1px solid var(--line);background:var(--card);color:var(--fg);border-radius:6px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
button:hover,.button:hover{border-color:var(--accent)}button:disabled{opacity:.45;cursor:default}
.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.link{border:none;background:none;color:var(--accent);padding:4px 0;min-height:0;text-decoration:underline}
.btns{display:flex;flex-direction:column;gap:8px;margin:12px 0}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:10px 0}
.nav{justify-content:space-between}.tabs button.on,.ba button.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.qhead{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;color:var(--muted);margin-bottom:6px}
.answers{display:flex;flex-direction:column;gap:6px;margin:8px 0}
.answers button{display:block;text-align:left}.answers button.on{outline:2px solid var(--accent);border-color:var(--accent)}
.answers .first::before{content:"We think: ";color:var(--muted);margin-right:4px}
.members{max-height:280px;overflow:auto;border:1px solid var(--line);border-radius:6px;margin:8px 0}
.members label{display:flex;justify-content:space-between;gap:8px;padding:6px 10px;border-bottom:1px solid var(--line);font-size:13px;align-items:center}
.members select{font:inherit;padding:4px}
.parts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.parts button{width:100%;justify-content:flex-start;gap:8px;min-height:34px;padding:4px 8px;min-width:0}.parts button.on{outline:2px solid var(--accent);border-color:var(--accent)}
.parts .sw,.scheme .sw{display:inline-block;width:22px;height:22px;border-radius:4px;border:1px solid var(--line);flex:none}
.parts .nm{flex:1 1 auto;text-align:left;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.parts .sh{flex:0 1 auto;font-size:12px;color:var(--muted);min-width:0;max-width:45%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shades{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;max-height:300px;overflow:auto;padding:2px}
.shades h3{grid-column:1/-1;font-size:12px;color:var(--muted);margin:6px 0 0;font-weight:600}
.shades button{min-height:44px;padding:0;border-radius:6px}.shades button.on{outline:3px solid var(--accent);outline-offset:1px}
.scheme{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-direction:column;gap:6px}.scheme li{display:flex;gap:10px;align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr}.thumbs{grid-template-columns:repeat(2,minmax(0,1fr))}.panel{position:static}}
.parts li{display:flex;gap:4px;min-width:0}.parts li>button:first-child{flex:1;min-width:0}.parts .ren{flex:none;width:30px;padding:0;min-height:34px;color:var(--muted)}
.parts .ren:hover{color:var(--accent)}.parts .sw{width:18px;height:18px}
.parts input,#newpart-box input{font:inherit;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--fg);flex:1;min-width:0}
#newpart-box{flex-wrap:wrap}#newpart-box label{width:100%;font-size:13px;color:var(--muted)}
.stage.working canvas{opacity:.75;cursor:progress}.busy{z-index:2;font-weight:600}
.unseen-h{margin-top:26px;font-size:17px}
.members .mrow{display:flex;justify-content:space-between;gap:8px;padding:6px 10px;border-bottom:1px solid var(--line);font-size:13px;align-items:center}
.members .mrow:hover{background:color-mix(in srgb,var(--hl) 14%,transparent)}.members .mrow>span:first-child{min-width:0}
.members.cols{max-height:none}.seg{display:flex;flex:none}.seg button{min-height:30px;padding:3px 9px;font-size:13px;border-radius:0}
.seg button:first-child{border-radius:6px 0 0 6px}.seg button:last-child{border-radius:0 6px 6px 0;margin-left:-1px}.seg button.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
#q-split.on{font-weight:600}#sel-real{margin:4px 0 8px;width:100%}
.stage canvas.overlay{position:absolute;left:8px;top:8px;width:calc(100% - 16px);height:auto;touch-action:none;cursor:crosshair}
.legend{display:flex;align-items:center;gap:6px;font-size:13px;margin:6px 0}.legend i{display:inline-block;width:14px;height:14px;border-radius:3px;opacity:.8}.legend i+i,.legend i:nth-of-type(2){margin-left:10px}
.members .own{color:var(--muted,#888);font-size:12px}
.refbox{margin-top:18px;padding-top:12px;border-top:1px dashed var(--line)}
.splitbtn{display:block;width:100%;margin:6px 0 10px}
.members .mrow>span:first-child{flex:1 1 45%}.members .mrow select{flex:0 1 55%;min-width:0;max-width:55%}

/* v0.4.1 */
.leave{background:#fff7e6;border:1px solid #f0c36d;border-radius:8px;padding:10px 14px;margin:0 0 14px}.leave p{margin:0 0 8px}.leave button{margin-right:8px}
.keep{margin-top:14px}
.zoom{overflow:hidden;overflow:clip;border-radius:4px;position:relative}.zoom canvas{border-radius:0}
.answers button small.desc{display:block;color:#7a7a74;font-size:12px;font-weight:400;margin-top:2px}
.menu{position:absolute;z-index:5;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 4px 18px rgba(0,0,0,.18);padding:8px;min-width:220px;max-height:70%;overflow:auto}.menu .mh{margin:2px 4px 6px;font-weight:600;font-size:13px}.menu button{display:block;width:100%;text-align:left;margin:2px 0}.menu .row{display:flex;gap:6px;margin:2px 0}.menu .row input{flex:1;min-width:0}
hr.leave-line{border:0;border-top:1px solid var(--line);margin:6px 0}
.peekbtn{display:block;margin:8px 0 0 auto;font-size:13px;padding:4px 12px;user-select:none;touch-action:none}  /* below the photo, never over it */
.newq{display:flex;gap:6px}.newq input{flex:1;min-width:0}
#parts li{position:relative}.binmenu{right:0;top:100%;min-width:200px}.binmenu button.sub{padding-left:22px;font-size:13px}
.ptype{display:inline-flex;margin:0 0 8px}.ptype button{border-radius:0;font-size:13px;padding:4px 12px}.ptype button:first-child{border-radius:6px 0 0 6px}.ptype button:last-child{border-radius:0 6px 6px 0;border-left:0}.ptype button.on{background:var(--accent,#2d5b8a);color:#fff}
.parts .ren{color:var(--fg,#1c1c1b)}.hint .tools{display:block;margin-top:4px;font-size:12.5px}