:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#1c3038;background:#f4f6f5;font-size:13px;--green:#137d69;--line:#e2e8e5}*{box-sizing:border-box}body{margin:0}button,label.primary{font:inherit;cursor:pointer}button{border:1px solid var(--line);background:white;border-radius:7px;padding:9px 12px;color:inherit}button:hover{background:#edf4f0}button:disabled{opacity:.4;cursor:default}button.active{background:#e0f1e9;color:#086d57;border-color:#b7d9ca}.primary{background:var(--green)!important;color:white!important;border-color:var(--green);border-radius:7px;padding:11px 14px;font-weight:600}header{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;gap:15px}.brand{font-size:24px;font-weight:750;text-decoration:none;color:#213c41;letter-spacing:-1px;position:relative;padding-left:43px;padding-bottom:12px}.brand>span:not(.logo){color:var(--green)}.logo{position:absolute;left:0;top:0;background:#e1f0e9;border-radius:10px;padding:1px 7px;font-size:29px;color:var(--green)}.brand small{position:absolute;bottom:0;left:44px;font-size:8px;letter-spacing:2px;color:#889690}.header-actions{display:flex;gap:8px;align-items:center}.local{color:#76847d;font-size:11px;margin-right:12px}input[type=file]{display:none}main{height:calc(100dvh - 76px);display:grid;grid-template-columns:302px 1fr}aside{padding:28px 23px;overflow-y:auto;background:#fff;border-right:1px solid var(--line)}.eyebrow{color:var(--green);font-size:9px;font-weight:700;letter-spacing:1.8px}h1{font-size:29px;line-height:1.14;letter-spacing:-1px;margin:12px 0}p.intro{line-height:1.65;color:#7b8983;font-size:12px;margin-bottom:24px}section{border-top:1px solid var(--line);padding:19px 0}.section-title{display:flex;align-items:center;gap:10px;margin-bottom:14px}.section-title b{font-size:10px;color:var(--green);background:#eaf4ee;border-radius:5px;padding:5px}h2{font-size:13px;margin:0;font-weight:650}.badge{margin-left:auto;background:#f0f3f1;padding:3px 7px;border-radius:5px;font-size:10px}.wide{width:100%;margin-top:9px}.subtle{font-size:11px}.row{display:grid;grid-template-columns:1fr 75px;gap:9px;margin:13px 0 0}label{display:block;font-size:10px;color:#738279}input,select{border:1px solid #dbe4de;border-radius:6px;background:#fff;color:#263c33;font:inherit;padding:9px;width:100%;margin-top:6px}input:focus,select:focus{outline:2px solid #90c6b2}#filename{font-size:11px;overflow-wrap:anywhere;line-height:1.5}.hint{color:#738279;line-height:1.6;font-size:10px;margin-top:10px}.note{padding:13px;border-radius:7px;background:#f4f6f3;color:#829087;font-size:9px;letter-spacing:.7px}.note p{font-size:11px;line-height:1.6;letter-spacing:0;margin-bottom:0}.workspace{display:flex;flex-direction:column;min-width:0;padding:18px 20px 0}.toolbar{display:flex;justify-content:space-between;gap:10px;margin-bottom:14px}.tools{display:flex;gap:5px;align-items:center}.tools button{font-size:12px}.tools select{margin:0;width:112px;font-size:11px}.stage{flex:1;position:relative;min-height:280px;border:1px solid #dce3dd;border-radius:10px;overflow:hidden;background-color:#eaf0ec;background-image:radial-gradient(#cbd6ce .8px,transparent .8px);background-size:16px 16px}canvas{width:100%;height:100%;display:block;touch-action:none;outline:none}.stage-label{position:absolute;top:15px;left:17px;font-size:9px;font-weight:600;letter-spacing:1px;color:#6e8274;pointer-events:none;background:#f5f9f5e8;padding:7px 9px;border-radius:5px}.stage-label span{margin-left:6px}.zoom{position:absolute;bottom:18px;right:18px;display:flex;align-items:center;background:white;border:1px solid var(--line);border-radius:7px;box-shadow:0 3px 12px #263a3010}.zoom button{border:0;background:transparent}.zoom span{font-size:11px;min-width:45px;text-align:center}footer{height:40px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:10px;color:#738279}footer span:first-child{color:#34745b}#pages{display:flex;justify-content:space-between;align-items:center;margin-top:7px}#pages[hidden]{display:none}.measurement{display:flex;align-items:center;gap:7px;background:#f6f8f5;padding:10px 9px;margin-bottom:6px;border-radius:6px;font-size:10px}.measurement strong{margin-left:auto;font-size:12px}.measurement button{padding:0 4px;border:0;background:none;color:#8b9990}.empty{font-size:11px;line-height:1.7;color:#8a978f}.measurements{max-height:230px;overflow:auto}@media(max-width:1000px){.local{display:none}.tools button span{display:none}.workspace{padding:12px 10px 0}footer span:last-child{display:none}}@media(max-width:700px){header{padding:10px;height:auto;flex-wrap:wrap}.brand{font-size:22px}.header-actions{margin-left:auto;flex-wrap:wrap}.header-actions button{font-size:10px;padding:7px}.header-actions label{font-size:10px;padding:8px}main{height:auto;display:flex;flex-direction:column}aside{padding:20px;display:block}h1{font-size:23px}p.intro{margin-bottom:12px}section{padding:12px 0}.workspace{height:75dvh;order:-1}.note{display:none}.toolbar{flex-wrap:wrap}.stage{min-height:240px}.tools select{width:96px}}
#candidates{max-height:155px;overflow:auto;display:flex;flex-wrap:wrap;gap:5px;margin-top:9px}#candidates button{font-size:11px;padding:6px 8px;border-color:#c5ddd0;color:#1f7659}
.statusbar{display:flex;align-items:center;gap:13px;min-height:55px;flex-shrink:0;padding:12px 16px;margin-bottom:13px;border:1px solid #d1e4d8;border-left:4px solid #278066;border-radius:8px;background:#eef7f1;color:#214e3b;font-size:13px;line-height:1.5}.statusbar #status-badge{flex-shrink:0;letter-spacing:.65px;font-size:9px;font-weight:750;padding:5px 8px;border-radius:5px;background:#d7ecdf;color:#216445}.statusbar[data-state="calibrating"],.statusbar[data-state="pending"]{border-color:#efdeb9;border-left-color:#c39033;background:#fff8e9;color:#755618}.statusbar[data-state="calibrating"] #status-badge,.statusbar[data-state="pending"] #status-badge{background:#f4e7c7;color:#88611b}.statusbar[data-state="measuring"]{border-left-color:#098a72}.statusbar[data-state="busy"],.statusbar[data-state="pan"]{background:#eef3f8;border-color:#d7e2ed;border-left-color:#547b9d;color:#355572}.statusbar[data-state="busy"] #status-badge,.statusbar[data-state="pan"] #status-badge{background:#dde8f2;color:#355572}@media(max-width:700px){.statusbar{font-size:12px;gap:9px;padding:9px 10px;align-items:flex-start;min-height:64px}.statusbar #status-badge{font-size:8px;max-width:92px;text-align:center}}
.guide-buttons{display:flex;gap:6px;margin:8px 0}.guide-buttons button{flex:1;font-size:10px;padding:9px 6px}.check-label{display:flex;gap:7px;align-items:center;font-size:11px;line-height:1.5;margin:12px 0}.check-label input{width:auto;margin:0;accent-color:var(--green)}#guide-list{max-height:145px;overflow:auto;margin-top:10px}#guide-list .measurement{justify-content:space-between;background:#f2f4fa;color:#506b98}kbd{font:600 10px Segoe UI,Arial;border:1px solid #cdd6ce;border-bottom-width:2px;background:white;border-radius:4px;padding:1px 4px}.statusbar[data-state="construction"]{background:#f1eef8;border-color:#ded7ed;border-left-color:#8b72b9;color:#685086}.statusbar[data-state="construction"] #status-badge{background:#e4dbf3;color:#685086}
.vector-panel{border-top-color:#dfd5eb}.vector-panel .section-title b{background:#eee4f8;color:#8050a7}.lab-tag{font-size:8px;font-weight:700;letter-spacing:.6px;color:#9162ab;background:#f2eafa;padding:5px 7px;border-radius:4px;display:inline-block}.vector-options{grid-template-columns:1fr 1fr}.guide-buttons[hidden]{display:none}#vector-summary{font-weight:600;color:#8154a0}#vector-accept{color:#15654b;background:#e1f2e8;border-color:#b4d8c3}#vector-progress:empty{display:none}
#vector-center-options[hidden],#vector-edge-options[hidden]{display:none}#vector-mode{color:#714795;background:#faf7fd}
.geometry-types{display:flex;gap:14px;flex-wrap:wrap}.geometry-types .check-label{margin:8px 0}#curve-list{max-height:180px;overflow:auto;margin-top:8px}#curve-list .measurement{align-items:center;font-size:10px;line-height:1.4;background:#f6effa}#curve-list .measurement span{flex:1}#curve-list .measurement button{font-size:13px;color:#8251a4;padding:3px 5px}.toolbar{flex-wrap:wrap}.tools{flex-wrap:wrap}
#tutorial{width:min(850px,calc(100% - 24px));max-height:calc(100dvh - 24px);overflow:auto;background:#f9fbfa;color:#1b3037;border:1px solid #ceddd9;border-radius:16px;padding:20px}
#tutorial::backdrop{background:#102830bb}
.tutorial-head{display:flex;justify-content:space-between;align-items:start;gap:12px;margin-bottom:12px}
.tutorial-head h2{margin:0;font-size:20px}
#tutorial p{margin:8px 0;font-size:14px;line-height:1.45}
#tutorial video{display:block;width:100%;max-height:65dvh;background:#102830;border-radius:8px}