@charset "UTF-8";
:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#28354b;background:#fff;font-synthesis:none;font-size:13px;--bg:#fff;--surface:#fff;--canvas:#f8fafc;--text:#28354b;--muted:#8993a4;--line:#e8ecf2;--accent:#386bd6;--soft:#eef3fe;--navy:#273b59;--grid:#e5eaf1;--input:#fff}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;border:1px solid transparent;border-radius:6px;min-height:34px;padding:7px 10px;color:inherit;cursor:pointer;white-space:nowrap}button:hover{background:var(--soft);color:var(--accent)}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,svg:focus-visible{outline:3px solid #80a7ff;outline-offset:2px}svg.icon{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}[data-icon]{display:inline-flex;align-items:center}.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600;box-shadow:0 2px 3px #386bd60b}.primary:hover{background:#2d5fc9;color:#fff}.secondary{border-color:var(--line);background:var(--surface)}.danger{color:#bd4854}.icon-button{width:34px;padding:7px}.full-width{width:100%}.small{font-size:11px;line-height:1.65}.muted{color:var(--muted)}h1,h2,h3,p{margin:0}h2{font-size:13px;font-weight:600}h3{font-size:13px;font-weight:600}.eyebrow{font-size:9px;letter-spacing:1.7px;font-weight:650;color:var(--muted)}.separator{height:20px;width:1px;background:var(--line);margin:0 5px;flex-shrink:0}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}.field{margin:15px 0}.field label,.field-label{display:block;font-size:11px;color:#727f93;margin-bottom:7px;font-weight:500}input,select,textarea{border:1px solid var(--line);border-radius:5px;background:var(--input);padding:9px 10px;color:var(--text);min-width:0}input:not([type=radio]):not([type=checkbox]):not([type=color]),select,textarea{width:100%}input[type=number]{font-variant-numeric:tabular-nums}input[type=color]{width:30px;height:30px;padding:3px;cursor:pointer}input[type=checkbox],input[type=radio]{accent-color:var(--accent)}.field-row{display:flex;gap:9px}.field-row>*{flex:1;min-width:0}.field-row .field{margin-top:0}.text-button{padding:6px 0;color:var(--accent);font-size:11px;justify-content:flex-start}.count-badge{font-size:9px;color:#7b889d;border:1px solid var(--line);padding:3px 6px;border-radius:4px;font-weight:500}.section-link{width:100%;justify-content:flex-start;min-height:40px;padding:7px 0;font-size:11px;font-weight:550}.section-link .icon{color:#77869c}.arrow{margin-left:auto;color:#8895a9}.button-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.button-row button{flex:1}.empty-note{padding:20px 0;line-height:1.7;font-size:12px;color:var(--muted)}kbd{font:10px inherit;color:#a0a9b8;border:1px solid var(--line);border-radius:3px;padding:1px 4px;min-width:17px;text-align:center}.badge{display:inline-flex;align-items:center;gap:5px;background:var(--soft);color:var(--accent);font-size:10px;padding:5px 8px;border-radius:4px}.warning{font-size:11px;line-height:1.65;color:#a66a21;background:#fff6e8;padding:10px;border-radius:5px;margin-top:12px}.notice{padding:12px 14px;border:1px solid var(--line);border-radius:7px;font-size:12px;line-height:1.7;color:var(--muted)}.toggle-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.toggle-row input{width:17px;height:17px}.key-list{display:grid;grid-template-columns:1fr auto;gap:9px;align-items:center;font-size:12px}.step{display:flex;gap:14px;margin:20px 0;line-height:1.7}.step-number{width:30px;height:30px;background:var(--soft);border-radius:8px;display:grid;place-items:center;color:var(--accent);flex-shrink:0;font-weight:600}.step p{color:var(--muted);font-size:12px;margin-top:3px}
dialog{width:min(560px,calc(100vw - 28px));max-height:90dvh;padding:25px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--text);box-shadow:0 24px 100px #182b4c25}dialog::backdrop{background:#1e30484d;backdrop-filter:blur(2px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.dialog-header h2{font-size:22px;font-weight:600;letter-spacing:-.6px;margin-top:6px}.dialog-header .icon-button{align-self:flex-start}.template-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.template-card{border:1px solid var(--line);padding:17px 13px;text-align:left;white-space:normal;align-items:flex-start;flex-direction:column;min-height:102px;gap:7px}.template-card .icon{color:var(--accent);width:21px;height:21px}.template-card strong{font-size:12px}.template-card small{font-size:10px;color:var(--muted);line-height:1.5}.export-choice{width:100%;border:1px solid var(--line);padding:14px;margin:5px 0;justify-content:flex-start}.export-choice span:last-child{margin-left:auto;color:var(--muted);font-size:10px}.saved-project{display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line);padding:8px 0}.saved-project>button:first-child{flex:1;justify-content:flex-start;white-space:normal;text-align:left;flex-direction:column;align-items:flex-start}.saved-project small{color:var(--muted)}#toast{position:fixed;bottom:52px;left:50%;transform:translateX(-50%) translateY(15px);max-width:calc(100vw - 30px);background:var(--navy);color:white;padding:12px 19px;border-radius:7px;z-index:100;opacity:0;pointer-events:none;transition:opacity .15s,transform .15s;font-size:12px;box-shadow:0 4px 16px #20344a15}#toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}.fraction{display:inline-flex;vertical-align:middle;flex-direction:column;text-align:center;line-height:1.35;margin:0 5px;min-width:20px;font-variant-numeric:tabular-nums}.fraction>span:first-child{border-bottom:1px solid currentColor;padding:0 4px 2px}.fraction>span:last-child{padding-top:2px}.math-line{display:flex;flex-wrap:wrap;align-items:center;gap:3px;line-height:2.4;font-size:13px}.sim-results{max-height:350px;overflow:auto;margin-top:15px}.sim-row{padding:10px 0;border-bottom:1px solid var(--line)}.sim-row-top{display:flex;justify-content:space-between;font-size:11px;gap:10px}.sim-bar{height:6px;background:var(--soft);border-radius:4px;margin:7px 0;overflow:hidden}.sim-bar>span{display:block;height:100%;background:var(--accent);border-radius:4px}.sim-values{font-size:10px;color:var(--muted);display:flex;justify-content:space-between}.progress-track{height:5px;background:var(--soft);border-radius:4px;overflow:hidden;margin:15px 0 8px}.progress-track>span{display:block;height:100%;width:0;background:var(--accent)}