:root{color-scheme:dark;--bg:#020b13;--bg2:#071725;--panel:#071521;--panel2:#0a1b29;--line:#24577a;--line2:#163b56;--text:#f4f8fc;--muted:#8db1cc;--blue:#13aaf5;--blue2:#54c7ff;--amber:#ffad24;--safe:#35ef64;--danger:#ff5353;--radius:16px}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;min-width:320px;background:radial-gradient(circle at 55% -15%,#12324b 0,#071725 34%,#020b13 72%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app{width:min(1500px,100%);margin:auto;padding:18px}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:4px 4px 16px;border-bottom:1px solid rgba(69,137,184,.2);margin-bottom:16px}.eyebrow{margin:0 0 3px;color:#79bce8;text-transform:uppercase;letter-spacing:.13em;font-size:.72rem;font-weight:850}.topbar h1{margin:0;font-size:clamp(1.75rem,3.4vw,3.2rem);line-height:1;letter-spacing:.025em;text-transform:uppercase}.brandmark{color:var(--blue)}.subtitle{margin:7px 0 0;color:var(--muted);font-size:.9rem;letter-spacing:.035em}.radius-card{min-width:210px;text-align:center;border:1px solid #4d83a8;border-radius:10px;padding:9px 15px;background:rgba(2,12,21,.78);box-shadow:inset 0 0 22px rgba(25,146,216,.05)}.radius-card span{display:block;color:#8fc4e9;font-size:.74rem;font-weight:800;letter-spacing:.07em}.radius-card strong{display:block;color:var(--amber);font-size:1.8rem;line-height:1.1}.radius-card small{color:#9bc5e2}.workspace{display:grid;grid-template-columns:minmax(270px,320px) minmax(0,1fr);gap:16px;align-items:start}.panel{background:linear-gradient(180deg,rgba(8,24,37,.97),rgba(3,14,23,.98));border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 50px rgba(0,0,0,.24)}.controls{padding:16px;position:sticky;top:12px}.panel-title{margin:0 0 12px;color:#a6d4f2;text-transform:uppercase;letter-spacing:.09em;font-size:.82rem}.field{padding:12px 0;border-top:1px solid rgba(65,121,159,.2)}.field:first-of-type{border-top:0;padding-top:0}.field label{display:block;color:#a9d0eb;font-size:.76rem;font-weight:850;letter-spacing:.055em;text-transform:uppercase}.inputrow{display:flex;align-items:center;gap:7px;margin:7px 0 8px}.inputrow input{width:100%;height:42px;padding:6px 12px;background:#020d16;border:1px solid #4c84ac;border-radius:7px;color:white;font-size:1.25rem;font-weight:750;outline:none}.inputrow span{color:#b8d7eb;border:1px solid #234e6b;background:#071725;border-radius:6px;padding:8px 7px}.inputrow input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(19,170,245,.12)}input[type=range]{width:100%;height:22px;margin:0;accent-color:var(--blue);cursor:pointer}.rangeends{display:flex;justify-content:space-between;color:#8fb6d0;font-size:.67rem}.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}button{min-height:43px;border:0;border-radius:8px;padding:10px 12px;font-weight:850;letter-spacing:.02em;background:linear-gradient(180deg,#25baff,#079ce8);color:#02101a;cursor:pointer;box-shadow:0 8px 22px rgba(0,148,224,.14)}button.secondary{background:#0b2031;color:#bfe3fa;border:1px solid #356b90;box-shadow:none}#roll{grid-column:1/-1;font-size:.95rem}button:disabled{opacity:.45;cursor:not-allowed}.stage{padding:14px;min-width:0}.stage-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 2px 10px}.stage-head h2{margin:0;font-size:.9rem;text-transform:uppercase;letter-spacing:.08em}.stage-head p{margin:3px 0 0;color:var(--muted);font-size:.75rem}.scene-wrap{position:relative;border-radius:13px;overflow:hidden;background:#061522;border:1px solid rgba(76,144,190,.3)}.scene-wrap:after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 70px rgba(0,0,0,.28)}#scene{display:block;width:100%;height:auto;min-height:340px}.results-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:12px;margin-top:12px}.result-card,.geometry-card{border:1px solid #275c7f;border-radius:11px;background:#03111c;padding:13px}.result-card h3,.geometry-card h3{margin:0 0 9px;padding-bottom:8px;border-bottom:1px solid rgba(69,128,167,.3);font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:#d6ecfa}.badge{display:inline-block;border:1px solid;border-radius:7px;padding:7px 10px;font-size:.84rem;font-weight:900;margin-bottom:7px}.result-card p,.geometry-card p{margin:3px 0;color:#a9c5d8;font-size:.8rem;line-height:1.45}.geometry-card strong{display:block;color:#f1f8fc;font-size:.85rem;margin-bottom:5px}.note{margin-top:12px;padding:10px 12px;border-top:1px solid rgba(64,117,153,.25);color:#7799b0;font-size:.72rem;line-height:1.45}footer{text-align:center;color:#55758c;font-size:.68rem;padding:18px 6px 4px}.install-mobile{display:none}#b1,#b2,#roof1,#roof2,#m1,#m2,#base1,#base2,#p1,#p2,#lh1,#lh2,#vh1,#vh2,#targetTop,#targetLabel,#targetWarning,#targetValue,#distanceLine,#tick1,#tick2,#distanceLabel,#contact,#contactLabel{transition:all .2s ease-out}#sphereGroup #sphere,#sphereGroup #sp1,#sphereGroup #hub{transition:none}@media(max-width:900px){.app{padding:10px}.topbar{padding:4px 2px 12px;margin-bottom:10px}.radius-card{min-width:150px}.radius-card strong{font-size:1.45rem}.workspace{grid-template-columns:1fr}.controls{position:static;order:2}.stage{order:1;padding:10px}.results-grid{grid-template-columns:1fr 1fr}#scene{min-height:0}.field{padding:10px 0}.actions{grid-template-columns:repeat(3,1fr)}#roll{grid-column:1/-1}.top-install{display:none}.install-mobile{display:block;grid-column:1/-1}}@media(max-width:600px){.app{padding:8px}.topbar{align-items:center}.topbar h1{font-size:clamp(1.42rem,7vw,2rem)}.eyebrow{font-size:.62rem}.subtitle{font-size:.72rem;max-width:230px}.radius-card{min-width:106px;padding:7px 8px}.radius-card span{font-size:.55rem}.radius-card strong{font-size:1.25rem}.radius-card small{font-size:.58rem}.stage{padding:7px;border-radius:12px}.stage-head{align-items:flex-start}.stage-head p{display:none}.scene-wrap{margin:0 -1px}#scene{width:100%;aspect-ratio:760/470}.results-grid{grid-template-columns:1fr;gap:8px;margin-top:8px}.result-card,.geometry-card{padding:10px}.controls{padding:12px}.panel-title{margin-bottom:8px}.actions{grid-template-columns:1fr 1fr}.actions button{min-height:46px}.note{font-size:.67rem;margin-top:8px;padding:8px 5px}.field label{font-size:.72rem}.inputrow input{font-size:1.12rem}footer{padding-bottom:max(8px,env(safe-area-inset-bottom))}}@media(max-width:390px){.radius-card{display:none}.subtitle{max-width:none}}@media(prefers-reduced-motion:reduce){#b1,#b2,#roof1,#roof2,#m1,#m2,#base1,#base2,#p1,#p2,#lh1,#lh2,#vh1,#vh2{transition:none}}@media print{body{background:#fff;color:#000}.app{max-width:none;padding:0}.top-install,.install-mobile,.controls .actions,footer{display:none!important}.workspace{grid-template-columns:250px 1fr}.panel,.result-card,.geometry-card{box-shadow:none;background:#fff;color:#000;border-color:#aaa}.controls{position:static}.stage-head p,.result-card p,.geometry-card p,.note{color:#444}#scene{print-color-adjust:exact;-webkit-print-color-adjust:exact}}

.roll-dock{display:flex;align-items:center;gap:12px;margin-top:10px;padding:10px;border:1px solid #275c7f;border-radius:11px;background:#03111c}.roll-dock #roll{flex:0 0 min(330px,42%);min-height:50px;font-size:1rem}.roll-dock p{margin:0;color:#8db1cc;font-size:.76rem;line-height:1.35}.controls .actions{grid-template-columns:repeat(3,1fr)}@media(max-width:600px){.roll-dock{display:block;padding:8px}.roll-dock #roll{width:100%;min-height:52px}.roll-dock p{text-align:center;margin-top:7px;font-size:.68rem}.controls .actions{grid-template-columns:repeat(3,1fr)}}

.bottom-info{margin-top:16px;padding:14px}.bottom-info .results-grid{margin-top:0}@media(max-width:900px){.bottom-info{margin-top:10px}}@media(max-width:600px){.bottom-info{padding:10px;margin-top:8px}}

/* V2 lean header */
.lean-header{align-items:center;padding:2px 4px 11px;margin-bottom:10px}.lean-header h1{font-size:clamp(1.55rem,3vw,2.55rem);line-height:1.05;letter-spacing:.035em}.lean-header .subtitle{margin-top:5px;font-size:.78rem;color:#8db1cc}.lean-header .top-install{margin-left:auto}
@media(max-width:600px){.lean-header{padding:2px 2px 9px;margin-bottom:8px}.lean-header h1{font-size:clamp(1.3rem,6.2vw,1.75rem);white-space:normal}.lean-header .subtitle{font-size:.66rem;max-width:none;margin-top:4px}}