/* Stellation explorer: viewer left, controls right, stacking under 860px. Scoped to .stl. */
.stl-intro{padding-block:56px 32px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:16px 48px;align-items:end}
@media (max-width:860px){.stl-intro{grid-template-columns:1fr;padding-block:40px 24px}}
.stl{font-size:14px}
.stl .layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,360px);gap:20px;align-items:start}
@media (max-width:860px){.stl .layout{grid-template-columns:minmax(0,1fr)}}
.stl .panel{border:var(--rule);background:var(--well)}
.stl .ctl{display:flex;flex-direction:column;gap:6px;min-width:0}
.stl .ctl label,.stl .lab{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;margin:0}
.stl input[type=range]{width:100%;accent-color:var(--ink)}
.stl button{font:inherit;font-size:13px;min-height:40px;padding:0 14px;border:1px solid var(--line-strong);background:transparent;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:0}
.stl button:hover:not(:disabled){background:var(--accent-tint)}
.stl button.primary{background:var(--ink);color:var(--ground);font-weight:700;border-color:var(--ink)}
.stl button.primary:hover{background:var(--accent-tint);color:var(--ink)}
.stl button[aria-pressed="true"]{background:var(--accent-tint);color:var(--ink);border-color:var(--ink)}
.stl button:disabled{opacity:.45;cursor:not-allowed}
.stl canvas:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.stl .chips{display:flex;flex-wrap:wrap;gap:6px}
.stl .stat{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;margin:0}
.stl .note{font-size:12px;color:var(--muted);margin:0;max-width:72ch}
.stl .stage{display:flex;flex-direction:column;gap:10px;min-width:0}
.stl .view{position:relative;width:100%;aspect-ratio:1/1;max-height:min(78vh,760px);border:var(--rule);background:var(--well);overflow:hidden}
.stl .view canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:none}
.stl .view canvas:active{cursor:grabbing}
.stl .badge{position:absolute;left:12px;top:12px;right:12px;display:flex;flex-direction:column;gap:2px;pointer-events:none}
.stl .badge .nm{font-family:var(--display);font-weight:700;font-size:clamp(18px,2.4vw,26px);line-height:1.15}
.stl .badge .sub{font-size:12px;color:var(--muted)}
.stl .side{display:flex;flex-direction:column;gap:16px;min-width:0}
.stl .ctls{padding:18px;display:flex;flex-direction:column;gap:16px}
.stl .solids button,.stl .cby button{min-height:34px;font-size:12.5px;padding:0 10px}
.stl .toggle{display:flex;align-items:center;gap:10px;min-height:30px;cursor:pointer;font-size:13px}
.stl .toggle input{width:18px;height:18px;accent-color:var(--ink)}
.stl .types{padding:14px 18px;display:flex;flex-direction:column;gap:8px}
.stl .tlist{max-height:300px;overflow:auto;display:flex;flex-direction:column;gap:2px;scrollbar-width:thin;scrollbar-color:rgba(27,31,59,.18) transparent}
.stl .tlist::-webkit-scrollbar{width:6px}
.stl .tlist::-webkit-scrollbar-thumb{background:rgba(27,31,59,.18);border-radius:3px}
.stl .trow{display:flex;align-items:center;gap:10px;font-size:12.5px;min-height:30px;cursor:pointer;font-variant-numeric:tabular-nums}
.stl .trow input{width:16px;height:16px;accent-color:var(--ink);flex:none}
.stl .trow i{width:14px;height:14px;flex:none;border:1px solid var(--line)}
.stl .trow span{flex:1;min-width:0}
.stl .trow em{font-style:normal;color:var(--muted)}
.stl .btns{display:flex;flex-wrap:wrap;gap:6px;margin:0}
.stl #none{min-height:26px;font-size:11px;padding:0 8px}