:root{--bg:#0b1220;--panel:#111c30;--panel2:#16233f;--text:#e8eefc;--muted:#93a4c4;--line:#26365a;--accent:#22d3ee;--accent2:#f59e0b;--tan:#d9c7a5;--paper:#fff;--ink:#243b3b;--border:#dce4df}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px system-ui,-apple-system,sans-serif}button,input,select,textarea{font:inherit}button,.button{cursor:pointer;border:1px solid var(--line);border-radius:7px;background:var(--panel2);color:var(--text);padding:9px 12px;text-decoration:none;display:inline-block}button:hover,.button:hover{border-color:var(--accent)}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--accent);color:var(--bg);border-color:var(--accent);font-weight:650}.secondary{background:transparent}.subtle{background:none;border:0}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}header{height:92px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 30px}.brand{display:flex;gap:15px;align-items:center}.brand-icon{font-size:21px;font-weight:750;letter-spacing:-2px;border:1px solid var(--line);padding:13px;border-radius:12px;color:var(--tan)}.brand-icon span{color:var(--accent);margin:0 3px}.brand small{font-size:9px;letter-spacing:2.5px;color:var(--tan)}h1{font-size:21px;margin:4px 0}h2{margin:0}.header-right{display:flex;gap:20px;align-items:center;color:var(--muted);font-size:12px}.workflow{height:58px;padding:0 32px;display:flex;gap:18px;align-items:center;background:var(--panel)}.step{color:var(--muted);font-size:11px;white-space:nowrap}.step b{font-weight:500;font-size:12px;margin-left:8px}.step.active{color:var(--accent)}.workflow i{width:48px;height:1px;background:var(--line)}.workflow button{margin-left:auto}.eyebrow{color:var(--tan);font-size:11px;letter-spacing:2px;font-weight:600}#welcome{max-width:1180px;margin:80px auto;padding:30px;display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center}.intro h2{font-size:52px;line-height:1.12;letter-spacing:-2px;font-weight:650;margin:22px 0}.intro p{color:var(--muted);font-size:16px;line-height:1.7;max-width:470px}.legend{display:flex;gap:15px;align-items:center;flex-wrap:wrap;font-size:12px}.intro .legend{margin-top:28px}.E{color:#db293d}.P{color:#2879e8}.D{color:#19a869}.C{color:#cf8b25}.upload{background:var(--panel);border:1px dashed #3a5276;border-radius:16px;padding:50px 25px;display:block;text-align:center;cursor:pointer}.upload:hover,.upload.dragging{border-color:var(--accent);background:var(--panel2)}.upload-icon{display:inline-flex;align-items:center;justify-content:center;width:65px;height:65px;border-radius:16px;background:#16324f;color:var(--accent);font-size:38px}.upload h3{font-size:20px;margin:22px 0 10px}.upload p{font-size:12px;color:var(--muted);margin-bottom:27px}.upload input{position:absolute;opacity:0;width:1px;height:1px;overflow:hidden}.welcome-foot{grid-column:1/-1;text-align:center;color:var(--muted);font-size:12px;margin-top:10px}.projectbar{padding:18px 24px;display:flex;justify-content:space-between;gap:20px;align-items:end}.projectbar>div{display:flex;gap:12px;align-items:end}label{display:block;font-size:11px;letter-spacing:.2px}.projectbar label{color:var(--tan)}input,select,textarea{border:1px solid #cbd4d0;border-radius:5px;padding:8px;background:#fff;color:var(--ink);max-width:100%}.projectbar input,.projectbar select{background:var(--panel);color:var(--text);border-color:var(--line);display:block;margin-top:6px;width:200px}#projectName{width:290px}.projectbar .voltage select{width:90px}.actions{white-space:nowrap}.editor-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(420px,.85fr);gap:16px;margin:0 24px}.drawing-panel,.requirements{background:var(--paper);color:var(--ink);border:1px solid var(--border);border-radius:10px;overflow:hidden}.toolbar,.tools{padding:13px 15px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:10px}.toolbar>div,.tools>div{display:flex;align-items:center;gap:7px}.toolbar button,.tools button,.requirements button{padding:6px 9px;background:#f5f7f6;color:var(--ink);border-color:var(--border);font-size:12px}.toolbar select{padding:5px;font-size:12px}.tools{flex-wrap:wrap;padding:9px 13px}.tools .legend{gap:10px;font-size:11px}.tools select{padding:5px;font-size:11px}.tools button.active{background:#d8f7fc;border-color:var(--accent)}.canvas-scroll{height:calc(100vh - 480px);min-height:360px;overflow:auto;background:#e9edee;padding:15px}.drawing{position:relative;width:100%;line-height:0;background:#fff;box-shadow:0 2px 12px #0001;touch-action:none}.drawing img{display:block;width:100%;height:auto}.drawing svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;touch-action:none}.marker{fill:transparent;stroke-width:2.2;vector-effect:non-scaling-stroke;cursor:grab}.marker.active{stroke-width:3.7;fill:#f59e0b20}.marker:hover{fill:#22d3ee30;stroke-width:3}.drawing-footer{font-size:11px;color:#677e75;padding:10px 15px;border-top:1px solid var(--border)}.notes-panel{padding:0 15px 14px}.notes-panel label{color:#687d73}.notes-panel textarea{width:100%;height:66px;resize:vertical;margin-top:6px;font-size:12px}.requirements-head{display:flex;gap:8px;justify-content:space-between;align-items:center;padding:18px 17px 13px}.requirements-head small{font-size:9px;color:#71847a;letter-spacing:1.5px}.requirements h2{font-size:18px;margin-top:6px}.requirements h2 span{font-size:12px;color:#73847a;font-weight:400}.filters{display:flex;gap:5px;padding:0 16px 12px}.filters .selected{background:var(--panel);color:white;border-color:var(--panel)}.review-banner{font-size:11px;line-height:1.5;background:#fff8e9;color:#795c20;padding:10px 16px;border-top:1px solid #f3e8cc;border-bottom:1px solid #f3e8cc}.cards{overflow-y:auto;height:calc(100vh - 442px);min-height:440px;padding:12px}.point-card{border:1px solid var(--border);border-radius:7px;margin-bottom:11px;overflow:hidden;background:white}.point-card.selected{border-color:#6caca7;box-shadow:0 0 0 1px #6caca7}.card-top{display:flex;align-items:center;gap:9px;padding:11px 12px;background:#f7f9f7;cursor:pointer}.point-tag{font-weight:750;font-size:14px;min-width:36px}.card-top .machine-title{font-size:12px;font-weight:600;flex:1}.card-top button{padding:2px 6px}.card-body{padding:12px}.card-body label{font-size:10px;color:#6c8076;margin-bottom:8px}.card-body input,.card-body select,.card-body textarea{width:100%;margin-top:4px;padding:7px;font-size:12px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.field-grid .span2{grid-column:1/-1}.source-hint{font-size:10px;line-height:1.5;color:#7e6b3f;margin-top:4px}.source-hint strong{font-weight:600}.card-body details{font-size:10px;color:#75847d;margin-top:9px}.card-body details div{padding-top:6px;line-height:1.6;white-space:pre-wrap}.card-top input[type=checkbox]{width:auto;margin:0}.incomplete{font-size:9px;background:#fff0d0;color:#895d0c;padding:3px 5px;border-radius:3px}footer{display:flex;justify-content:space-between;padding:14px 25px;color:var(--muted);font-size:11px}.mode-add{cursor:crosshair}#busy{position:fixed;inset:0;background:#0b1220b0;backdrop-filter:blur(5px);z-index:10;display:grid;place-items:center}#busy[hidden], [hidden]{display:none!important}.busy-card{background:var(--panel);padding:35px 50px;text-align:center;border:1px solid var(--line);border-radius:14px;width:430px}.busy-card p{color:var(--muted);font-size:12px;line-height:1.6}.spinner{width:35px;height:35px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;margin:auto;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:13px 22px;background:var(--panel2);border:1px solid var(--accent);border-radius:8px;z-index:20;display:none;max-width:650px;line-height:1.5}dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:12px;max-width:700px;width:90%;padding:24px}dialog::backdrop{background:#0009}.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}#projectList button{display:block;width:100%;text-align:left;margin:8px 0}.empty-state{color:#687e74;text-align:center;padding:35px 20px;line-height:1.7}@media(min-width:1650px){.editor-layout{grid-template-columns:minmax(0,1.6fr) 540px}}@media(max-width:1200px){.projectbar{flex-wrap:wrap}.projectbar .actions{width:100%;justify-content:flex-end}.canvas-scroll{height:460px}.cards{height:640px}.editor-layout{grid-template-columns:minmax(0,1fr) 420px}.tools .legend{display:none}}@media(max-width:800px){header{padding:15px;height:auto}.header-right span{display:none}.header-right .button{font-size:10px}.brand-icon{display:none}.workflow{padding:0 15px;gap:8px}.workflow i{width:10px}.step b{font-size:10px;margin-left:3px}.workflow button{font-size:10px}#welcome{display:block;margin:25px auto}.intro h2{font-size:40px}.upload{margin-top:35px}.welcome-foot{margin-top:25px}.editor-layout{display:block;margin:0 12px}.requirements{margin-top:14px}.projectbar{padding:14px}.projectbar>div{flex-wrap:wrap;width:100%}.projectbar input,#projectName{width:170px}.actions button{font-size:11px}.canvas-scroll{height:380px;min-height:0}.cards{height:650px}footer{gap:20px;line-height:1.6}.tools .legend{display:flex}}

.requirements button.incomplete{background:#fff0d0;border-color:#edcb80;color:#895d0c;font-size:10px}

.source-publish{display:flex;align-items:center;gap:6px;padding-top:8px}.source-publish input[type=checkbox]{width:auto;margin:0}

.brand img.app-logo{width:48px;height:48px;border-radius:12px;border:1px solid var(--line)}