:root{color:#18211d;font-synthesis:none;background:#edf1ee;font-family:Inter,ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}.shell{flex-direction:column;min-height:100vh;display:flex}.topbar{background:#fff;border-bottom:1px solid #d9dfdb;justify-content:space-between;align-items:center;height:72px;padding:0 24px;display:flex}.brand{align-items:center;gap:12px;display:flex}.brand-mark{color:#fff;background:#173e2e;border-radius:11px;place-items:center;width:38px;height:38px;font-weight:800;display:grid}.brand strong,.brand small{display:block}.brand small{color:#6c756f;margin-top:2px}.health{text-transform:uppercase;letter-spacing:.08em;color:#8f2929;align-items:center;gap:7px;font-size:12px;font-weight:700;display:flex}.health span{background:#b52f2f;border-radius:50%;width:9px;height:9px}.workspace{flex:1;grid-template-columns:68px 1fr 380px;min-height:calc(100vh - 72px);display:grid}.rail{background:#173e2e;flex-direction:column;align-items:center;gap:10px;padding:16px 10px;display:flex}.tool{color:#d9e7df;background:0 0;border:0;border-radius:10px;width:44px;height:44px;font-size:22px}.tool.active,.tool:hover{color:#fff;background:#2d5c48}.canvas{background-image:radial-gradient(#c9d1cc 1px,#0000 1px);background-size:22px 22px;padding:24px;position:relative;overflow:hidden}.view-tabs{background:#fff;border:1px solid #d9dfdb;border-radius:10px;padding:4px;display:inline-flex;box-shadow:0 5px 20px #2541320d}.view-tabs button{color:#66716a;background:0 0;border:0;border-radius:7px;padding:8px 13px}.view-tabs .selected{color:#173e2e;background:#e5efe9;font-weight:700}.diagram-list{justify-content:center;align-items:flex-start;gap:36px;min-height:500px;padding:62px 10px 130px;display:flex;overflow:auto}.diagram-node,.diagram-branch{flex-direction:column;align-items:center;display:flex}.diagram-branches{justify-content:center;align-items:flex-start;gap:34px;display:flex}.diagram-branch{opacity:.76;transition:opacity .15s,transform .15s}.diagram-branch.selected{opacity:1;transform:translateY(-2px)}.node-row{justify-content:center;align-items:center;width:210px;min-height:18px;display:flex;position:relative}.node-row.is-root,.node-row.has-loads{min-height:87px}.node{text-align:left;color:#18211d;background:#fff;border:2px solid #2c624b;border-radius:14px;width:155px;padding:18px;box-shadow:0 8px 28px #173e2e18}.node span,.node small{display:block}.node span{font-weight:800}.node small{color:#6c756f;margin-top:7px}.source-card{z-index:1;position:relative}.junction-dot{z-index:2;background:#fff;border:3px solid #173e2e;border-radius:50%;width:14px;height:14px;position:relative}.load-appendages{flex-direction:column;gap:10px;display:flex;position:absolute;top:50%;left:calc(50% + 50px);transform:translateY(-50%)}.load-appendages:before{content:"";background:#58a47c;width:50px;height:4px;position:absolute;top:50%;right:100%;transform:translateY(-50%)}.terminal-loads{flex-direction:column;align-items:center;gap:10px;margin-top:44px;display:flex;position:relative}.terminal-loads:before{content:"";background:#58a47c;width:4px;height:44px;position:absolute;bottom:100%;left:50%;transform:translate(-50%)}.node.load{border-color:#67927e;position:relative}.node.load.selected{border-color:#173e2e;box-shadow:0 8px 28px #173e2e36}.diagram-branch.selected>.diagram-node>.node-row>.junction-dot{background:#173e2e;box-shadow:0 0 0 5px #8bb5a255}.segment{text-align:center;color:#536059;background:0 0;border:0;width:210px;padding:10px 0;font-size:13px;font-weight:700}.segment i{background:#16804a;width:5px;height:55px;margin:10px auto;display:block}.segment.danger i{background:#c53f32}.segment small{color:#6c756f}.cycle-warning{color:#b52f2f;margin-top:10px;font-weight:700}.canvas-note{background:#ffffffd9;border:1px solid #d9dfdb;border-radius:10px;max-width:540px;padding:14px 16px;position:absolute;bottom:24px;left:24px}.canvas-note span{font-weight:800}.canvas-note p{color:#68726c;margin:4px 0 0;font-size:13px}.inspector{background:#fff;border-left:1px solid #d9dfdb;padding:28px;overflow:auto}.eyebrow{color:#2c624b;letter-spacing:.12em;margin:0 0 7px;font-size:11px;font-weight:800}.inspector h1{margin:0;font-size:25px}.muted{color:#7a837d;margin:6px 0 22px}.no-load{color:#67716b;background:#f3f6f4;border-radius:8px;margin:0;padding:11px;font-size:13px}form>label,.form-grid label{color:#56615a;flex-direction:column;gap:6px;font-size:12px;font-weight:700;display:flex}.form-grid{grid-template-columns:1fr 1fr;gap:13px;margin-top:13px;display:grid}input{color:#18211d;background:#fbfcfb;border:1px solid #cfd7d2;border-radius:8px;width:100%;padding:10px 11px}input:focus{border-color:#2c624b;outline:2px solid #8bb5a2}.primary{color:#fff;background:#173e2e;border:0;border-radius:9px;width:100%;margin-top:16px;padding:12px;font-weight:800}.result-card{background:#edf7f1;border:1px solid #b7d7c5;border-radius:11px;margin-top:22px;padding:17px}.result-card.danger{background:#fff0ef;border-color:#e0b4af}.result-card span,.result-card small{display:block}.result-card strong{margin:5px 0;font-size:30px;display:block}.result-card small{color:#67716b}.status-message{color:#2c624b;min-height:20px;font-size:13px;font-weight:700}.disclaimer{color:#7a837d;border-top:1px solid #e0e5e2;margin-top:18px;padding-top:16px;font-size:12px;line-height:1.5}.empty{color:#7a837d;place-items:center;min-height:480px;display:grid}@media (width<=900px){.workspace{grid-template-columns:56px 1fr}.inspector{border-top:1px solid #d9dfdb;border-left:0;grid-column:1/-1}.diagram-list{min-height:380px}}@media (width<=560px){.topbar{padding:0 14px}.brand small{display:none}.workspace{grid-template-columns:1fr}.rail{flex-direction:row;padding:8px}.canvas{padding:14px}.view-tabs{width:100%}.view-tabs button{flex:1;padding-inline:6px}.diagram-list{justify-content:flex-start;min-width:max-content;padding:40px 0 70px}.diagram-branches{flex-direction:column;gap:28px}.node-row{width:190px}.node{width:140px;padding:15px}.load-appendages{left:calc(50% + 34px)}.load-appendages:before{width:34px}.segment span,.segment small{white-space:nowrap}.canvas-note{margin-top:12px;position:static}.inspector{padding:22px}}