:root{color-scheme:dark;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px;--bg:#081321;--panel:#101e2d;--panel2:#142539;--border:#2a435b;--dim:#94a9be;--text:#e8f2fc;--blue:#43c6ec;--yellow:#f4bb58}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{color:var(--text);background:#21374d;border:1px solid #38526b;border-radius:8px;padding:9px 11px;cursor:pointer}button:hover,a:hover{border-color:var(--blue);color:white}button:disabled{opacity:.4;cursor:default}.primary{background:#147ea5;border-color:#279bc6;font-weight:700}.tiny{font-size:12px;padding:5px 8px}a{color:#bce7fa;text-decoration:none;border:1px solid #36506a;border-radius:8px;padding:9px 11px;white-space:nowrap}input,select,textarea{background:#091929;border:1px solid #39536d;border-radius:7px;color:#fff;padding:9px;min-width:0;width:100%}input:focus{outline:2px solid #2b95b8}.top{height:70px;display:flex;gap:13px;align-items:center;padding:12px 18px;background:#101f30;border-bottom:1px solid var(--border)}.brand{min-width:155px;display:flex;gap:10px;align-items:center}.brand b{font-size:23px}.brand b span{color:var(--blue)}.brand>div{color:#90afc4;font-size:11px;line-height:1.3}.top>input{width:235px}.topactions{display:flex;gap:7px;flex:1;justify-content:flex-end;align-items:center;flex-wrap:wrap}.topactions button,.topactions a{font-size:12px}.shell{height:calc(100vh - 70px);display:grid;grid-template-columns:253px minmax(440px,1fr) 307px;gap:10px;padding:10px}.left,.right{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:auto;padding:12px}.heading{font-weight:800;display:flex;justify-content:space-between;align-items:center;margin:6px 0 12px}.steps{display:grid;gap:5px;margin-bottom:20px}.steps button{display:flex;text-align:left;align-items:center;gap:10px;background:transparent;border:1px solid transparent;padding:9px}.steps button:hover,.steps button.active{background:#15445d;border-color:#217f9f}.steps em{font-style:normal;background:#254256;border-radius:7px;padding:6px 9px}.steps small{display:block;color:var(--dim);margin-top:3px}.slope-list{display:grid;gap:6px}.slope{display:flex;align-items:center;gap:6px;text-align:left;justify-content:space-between}.slope.active{border-color:var(--blue);background:#15445d}.slope span{font-size:12px;flex:1}.hint{font-size:12px;line-height:1.55;color:#a7c0d2;margin-top:17px;padding:12px;background:#0a1d30;border:1px solid var(--border);border-radius:9px}.attention{border-color:#75602f;color:#f1d29a}.main{min-height:0;display:flex;flex-direction:column;gap:9px}.toolbar{display:flex;justify-content:space-between;align-items:center;background:var(--panel);border:1px solid var(--border);padding:9px;gap:8px;border-radius:10px;flex-wrap:wrap}.tools,.zoom{display:flex;gap:5px;align-items:center;flex-wrap:wrap}.tools button{font-size:12px}.tools button.selected{color:#061725;background:var(--blue);border-color:var(--blue);font-weight:800}kbd{background:#182c41;border:1px solid #3d556b;border-radius:4px;color:#b9d2e6;font-size:10px;padding:2px 4px}.selected kbd{color:#163142;background:#a4e6f5}.zoom span{font-size:11px;color:var(--dim);padding:0 5px}.canvas-area{display:grid;grid-template-columns:1fr 42%;gap:9px;flex:1;min-height:200px}.planpanel,.threepanel,.bottom{background:var(--panel);border:1px solid var(--border);border-radius:11px;min-height:0;overflow:hidden;display:flex;flex-direction:column}.paneltitle{padding:10px 13px;display:flex;align-items:center;justify-content:space-between;gap:7px;border-bottom:1px solid var(--border);font-size:12px}.paneltitle span{color:var(--dim);font-size:11px}#plan{width:100%;height:100%;flex:1;min-height:120px;touch-action:none;background:#081624;cursor:crosshair}#threeView{flex:1;min-height:120px;background:radial-gradient(ellipse at center,#1d4561,#06121e)}#threeView canvas{display:block;width:100%;height:100%}.canvas-help,.threehelp{padding:8px 11px;font-size:11px;color:var(--dim);background:#102233}.bottom{height:245px;flex-shrink:0}#bottomContent{overflow:auto;padding:10px 13px}.right .field{margin-bottom:12px}.right label{display:block;color:#bfd2e4;font-size:12px;margin-bottom:5px}.right .tip{font-size:11px;line-height:1.5;color:var(--dim);margin-top:4px}.right h3{margin:6px 0 14px}.right .pair{display:grid;grid-template-columns:1fr 1fr;gap:9px}.right .danger{border-color:#b4585a;color:#fbb8b8}.shortcuts{border-top:1px solid var(--border);padding-top:15px;color:var(--dim);font-size:12px;line-height:1.7;margin-top:20px}.shortcuts b{color:var(--text)}table{border-collapse:collapse;width:100%;font-size:12px}td,th{border-bottom:1px solid #304456;padding:7px;text-align:left}th{color:#9fb9cd}td.num,th.num{text-align:right;white-space:nowrap}.muted{color:var(--dim)}.warning{color:#f7c67c}.ok{color:#81d7ad}.pill{font-size:10px;color:#f4c57d;border:1px solid #987542;border-radius:4px;padding:3px}.inspector-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:11px 18px;color:white;background:#165675;border:1px solid #40b5df;border-radius:9px;z-index:50;display:none;max-width:90vw}dialog{width:min(560px,95vw);border:1px solid #3d617a;background:#102134;color:white;border-radius:14px;padding:20px}dialog::backdrop{background:#000b}dialog h2{margin-top:0}.dialogbuttons{display:flex;justify-content:flex-end;gap:7px;margin-top:18px}.modalrow{margin:12px 0}.modalrow label{display:block;margin-bottom:5px}.modalrow small{color:var(--dim)}.helptext{line-height:1.7;color:#c6d6e5;font-size:13px}.badgeo{color:#ffc779}.inline-buttons{display:flex;gap:5px;flex-wrap:wrap}.dimension{cursor:pointer}.dimension:hover{fill:#fff}@media(max-width:1200px){.shell{grid-template-columns:205px minmax(360px,1fr) 250px}.canvas-area{grid-template-columns:1fr 40%}.top{height:auto;min-height:70px}.shell{height:calc(100vh - 90px)}}@media(max-width:920px){body{overflow:auto}.shell{height:auto;display:flex;flex-direction:column}.left{max-height:none}.steps{grid-template-columns:repeat(5,1fr)}.steps button{font-size:11px}.steps small{display:none}.main{height:900px}.right{min-height:350px}.top{flex-wrap:wrap}.top>input{width:45%}}@media(max-width:580px){.canvas-area{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.steps{grid-template-columns:repeat(2,1fr)}.main{height:1150px}.bottom{height:275px}}@media print{.top,.left,.right,.toolbar,.canvas-help,.threehelp{display:none!important}.shell{display:block;height:auto}.main{display:block}.canvas-area{display:block}#threeView{display:none}#plan{height:600px}.bottom{height:auto}body{background:white;color:black}}

/* Professional 3D direct-manipulation overlay */
.three-actions{display:flex;gap:5px;align-items:center}#threeView{position:relative;overflow:hidden}#threeView canvas{position:absolute;inset:0}.roof-dim-layer{position:absolute;inset:0;pointer-events:none;overflow:hidden}.roof-dim-badge,.roof-point-badge{pointer-events:auto;position:absolute;transform:translate(-50%,-50%);z-index:3;font-size:11px;line-height:1.1;padding:5px 7px;border-radius:7px;white-space:nowrap;box-shadow:0 2px 9px #0008}.roof-dim-badge{background:#e8f7ff;color:#0c3449;border:1px solid #52c8ee;font-weight:800}.roof-point-badge{background:#ffc46c;color:#222;border:2px solid #fff;min-width:24px;height:24px;padding:2px;border-radius:99px;font-weight:800}.roof-3d-tooltip{position:absolute;left:10px;bottom:9px;font-size:10px;color:#d7e7f1;background:#0b1c2bdc;padding:6px 9px;border-radius:6px;pointer-events:none;max-width:92%}.threepanel .paneltitle{min-height:42px}.threepanel{min-height:270px}@media(max-width:1300px){.canvas-area{grid-template-columns:1fr 1fr}}

/* v0.4: CAD 3D interaction */
.roof-3d-modes{display:flex;gap:4px;padding:6px;background:#0e2334;border-bottom:1px solid #29445c;flex-wrap:wrap}.roof-3d-modes button{padding:5px 8px;font-size:11px}.roof-3d-modes .selected{background:#097b9f;color:#fff;border-color:#59d9f3}.roof-dim-layer{z-index:5;pointer-events:none}.roof-dim-layer button{pointer-events:auto}.roof-point-badge{border:2px solid #fff;background:#29c5ef;color:#052033;min-width:27px;min-height:27px;box-shadow:0 0 0 3px #0581a877,0 2px 9px #000a}.roof-point-badge.selected{background:#ffbf50}.roof-control-badge{background:#adf6a2;color:#143422;border:2px solid white;min-width:25px;min-height:25px;border-radius:50%;padding:2px}.roof-dim-badge{background:#effbff;box-shadow:0 0 0 1px #19597e,0 2px 8px #000d}.roof-dim-badge:hover,.roof-point-badge:hover{filter:brightness(1.17)}

/* v0.5: 3D house presentation and camera views */
.three-actions{flex-wrap:wrap;justify-content:flex-end}.three-actions .selected{background:#187b9b;border-color:#43c6ec;color:white}.roof-dim-layer{pointer-events:none}.roof-dim-layer button{pointer-events:auto}#threeView canvas{cursor:grab}.threepanel .paneltitle{align-items:flex-start}.threepanel .paneltitle b{padding-top:6px}@media(max-width:1400px){.canvas-area{grid-template-columns:1fr 1fr}.three-actions button{font-size:10px;padding:4px 6px}}

/* v0.5.1: point markers must stay clickable above dimension labels */
.roof-dim-badge{z-index:6}
.roof-point-badge{z-index:8}
.roof-control-badge{z-index:8}