:root{color-scheme:dark;--bg:#101311;--panel:#171b18;--line:#303630;--text:#e8eee6;--muted:#939e93;--lime:#d4f783;--red:#f28b7a;--orange:#eeb676;--green:#a8d8aa;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px}button,input,select{font:inherit}button,a,input,summary,select{outline-offset:5px}button{cursor:pointer;color:inherit;background:transparent;border:1px solid var(--line);border-radius:7px;padding:9px 14px}button:hover{border-color:#819471;background:#263023}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-decoration:none}aside{position:fixed;inset:0 auto 0 0;width:238px;background:#151916;border-right:1px solid var(--line);padding:30px 21px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px}.logo{background:var(--lime);color:#192018;font-size:32px;font-weight:800;width:45px;height:45px;text-align:center;border-radius:11px}.logo span{font-size:23px}.brand b{letter-spacing:1.5px;font-size:17px}.brand small{display:block;font-size:7px;letter-spacing:1.7px;margin-top:8px;color:var(--muted)}.workspace{display:flex;align-items:center;gap:9px;border:1px solid var(--line);padding:12px;margin-top:38px;border-radius:6px;font-size:12px}.workspace span{margin-left:auto}i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lime)}.nav-label{font-size:10px;letter-spacing:1.5px;color:#6d796f;margin-top:32px}nav button{display:flex;width:100%;gap:12px;align-items:center;border:0;text-align:left;color:var(--muted);padding:14px 12px;margin:4px 0}nav button.active{background:#293124;color:var(--lime)}kbd{margin-left:auto;font-size:10px;opacity:.7}.sidebar-bottom{margin-top:auto}.sidebar-bottom b{display:block;font-size:12px}.sidebar-bottom p{color:var(--muted);font-size:11px}.mini-grid{font-size:48px;color:#687b57;margin-bottom:14px}.version{display:block;font-size:9px;letter-spacing:1px;margin-top:27px;color:var(--green);padding-top:20px;border-top:1px solid var(--line)}main{margin-left:238px;padding:0 38px;max-width:1800px}header{height:79px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}header b{color:var(--text);font-weight:400}.slash{padding:0 15px;opacity:.5}#connection{display:flex;gap:8px;align-items:center}.heading{display:flex;justify-content:space-between;align-items:center;padding:38px 0 30px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--lime);margin:0 0 15px}h1{font-size:38px;line-height:1.5;font-weight:550;letter-spacing:-1px;margin:0}h1 span{color:var(--lime)}.intro{color:var(--muted);font-size:12px;margin-top:16px}.hero-art{position:relative;width:270px;height:175px;background:radial-gradient(#5d70464f 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14px;text-align:left;background:var(--panel);min-height:116px;position:relative}.scenario.selected{border-color:var(--lime);background:#222a1d}.scenario.selected:after{content:'●';position:absolute;right:14px;top:15px;color:var(--lime);font-size:9px}.scenario .icon{font-size:23px;display:block;color:var(--orange);height:33px}.scenario b{font-size:12px;font-weight:500;display:block}.scenario small{display:block;font-size:9px;color:var(--muted);margin-top:7px;letter-spacing:.3px}.experiment{display:grid;grid-template-columns:1fr 1.5fr;gap:18px;margin-top:27px}.config,.diagram,.trace-panel,.connect-grid article{border:1px solid var(--line);border-radius:9px;background:var(--panel);padding:20px}.config .section-title,.diagram .section-title{margin-top:0}.pill{font:8px monospace!important;border:1px solid #49523e;border-radius:4px;padding:5px 7px;color:var(--lime)!important}.config>p{font-size:11px;color:var(--muted);line-height:1.8;min-height:40px}.field-row{display:flex;gap:12px;margin:15px 0}label{font-size:10px;color:var(--muted);flex:1;min-width:0}input:not([type=range]),select{display:block;border:1px solid #3d463a;background:#111612;color:var(--text);border-radius:5px;padding:10px;width:100%;margin-top:7px}summary{font-size:10px;cursor:pointer;color:var(--muted)}summary span{float:right;color:#71806b}.strategy{border-top:1px solid var(--line);margin-top:18px;padding:15px 0}.strategy>span{font-size:10px;color:var(--muted)}.strategy b{display:block;font-size:12px;font-weight:400;margin:9px 0}.strategy em{font:10px monospace;color:#6b7864;padding:0 14px}.strategy small{font-size:9px;color:var(--muted)}.primary{background:var(--lime);color:#16200e;border:0;width:100%;font-weight:600;padding:13px}.primary:hover{background:#e1ff9d}.primary span{float:right}.hint{text-align:center;font-size:9px!important;margin:10px 0 0!important;min-height:0!important}.live-dot{font:8px monospace;color:var(--green)!important}.flow{display:flex;justify-content:center;align-items:center;padding:45px 0 35px;gap:12px}.flow-node{text-align:center;font-size:27px;padding:19px 13px;border:1px solid #495041;background:#1e251e;border-radius:10px;min-width:100px}.flow-node b{display:block;font-size:11px;margin:10px 0 7px;font-weight:500}.flow-node small{display:block;font-size:8px;color:var(--muted)}.fault-node{color:var(--orange);border-color:#795c3a;background:#2d261c}.flow-link{color:#66765a;font-size:22px}.lesson{border-left:2px solid var(--lime);padding:1px 15px;background:#22291f}.lesson>span{font-size:10px;color:var(--lime)}.lesson p{font-size:11px;line-height:1.8;color:var(--muted)}.legend{display:flex;gap:25px;justify-content:center;font-size:9px;color:var(--muted);margin-top:24px}.legend i{margin-right:5px}.green{background:var(--green)}.orange{background:var(--orange)}.red{background:var(--red)}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px}.result-card{padding:23px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.result-head{display:flex;justify-content:space-between;align-items:center}.badge{font:10px monospace;padding:6px 9px;border-radius:4px;background:#283623;color:var(--green)}.badge.failed{background:#3f2823;color:var(--red)}.badge.running,.badge.inconclusive{background:#39311d;color:var(--orange)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:25px 0}.stats strong{font:28px monospace;display:block;margin-bottom:7px}.stats small{font-size:10px;color:var(--muted)}.assertion{display:flex;gap:9px;font-size:11px;padding:7px 0;color:var(--muted)}.pass{color:var(--green)}.fail{color:var(--red)}.trace-panel{margin-top:18px}.trace-actions{display:flex;gap:7px;align-items:center}.trace-actions select{width:auto;margin:0;padding:8px;font-size:10px}.trace-actions button{font-size:10px}h2 small{font:9px monospace;color:var(--muted);margin-left:10px}.playback{display:flex;align-items:center;gap:16px;padding:10px 0 20px}.playback input{flex:1;accent-color:var(--lime)}#position{font:10px monospace;min-width:55px}.trace-body{display:grid;grid-template-columns:1.3fr 1fr;gap:20px}#timeline{height:320px;overflow:auto}.event{display:flex;gap:14px;border:0;border-bottom:1px solid #283025;border-radius:0;width:100%;text-align:left;padding:11px;font-size:10px}.event.selected{background:#293322}.event.fault{color:var(--orange)}.event code{color:var(--muted);min-width:25px}.event small{margin-left:auto;color:var(--muted);font-size:9px}#event-detail{background:#111611;border:1px solid var(--line);border-radius:6px;padding:20px;font:11px monospace;overflow:auto;min-width:0}pre{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;color:#bcd1ac;font-size:11px}.page-title{padding:50px 0 30px}.page-title h1{font-size:30px}.page-title>p:last-child{color:var(--muted)}.connect-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.connect-grid h2{margin:22px 0 10px}.connect-grid p{color:var(--muted);font-size:12px;line-height:1.9}.connect-grid pre{background:#101510;padding:20px;border:1px solid var(--line);border-radius:6px}.history-row{display:flex;align-items:center;gap:20px;padding:20px;border-bottom:1px solid var(--line);width:100%;text-align:left}.history-row small{color:var(--muted);margin-left:auto}.history-row b{font-weight:500}footer{display:flex;justify-content:space-between;padding:30px 0;margin-top:30px;border-top:1px solid var(--line);font:8px monospace;color:#788270;letter-spacing:1px}#toast{position:fixed;bottom:25px;right:25px;max-width:450px;background:#d4f783;color:#17210e;padding:17px 22px;border-radius:8px;box-shadow:0 8px 40px #0008;z-index:9}[hidden]{display:none!important}.text-button{border:0;font-size:11px;color:var(--muted)}@media(min-width:1500px){main{padding:0 60px}.scenarios{gap:15px}.scenario{padding:22px}.heading{padding:50px 0}.flow{padding-top:60px;padding-bottom:50px}}@media(max-width:1100px){aside{width:190px;padding:25px 15px}.brand b{font-size:14px}main{margin-left:190px;padding:0 24px}.hero-art{display:none}.experiment{grid-template-columns:1fr}.flow{padding:25px}.scenarios{grid-template-columns:repeat(4,1fr)}.scenario b{font-size:10px}}@media(max-width:700px){aside{position:static;width:100%;padding:18px}.brand{justify-content:center}.workspace,.nav-label,.sidebar-bottom{display:none}nav{display:flex;margin-top:15px}nav button{font-size:11px;justify-content:center;padding:10px 5px}nav kbd{display:none}main{margin:0;padding:0 18px}header{height:55px;font-size:9px}h1{font-size:29px}.intro{line-height:1.8}.scenarios{grid-template-columns:repeat(2,1fr)}.comparison,.connect-grid,.trace-body{grid-template-columns:1fr}.trace-panel .section-title{align-items:flex-start;flex-direction:column}.trace-actions{flex-wrap:wrap}.flow{gap:5px}.flow-node{min-width:80px;padding:15px 6px}.flow-link{font-size:16px}footer span:nth-child(2){display:none}.history-row{flex-wrap:wrap;gap:10px}.history-row small{margin:0}.page-title h1{font-size:24px}}
.experiment>*,.comparison>*,.trace-body>*,.connect-grid>*{min-width:0}.event{flex-wrap:wrap;overflow-wrap:anywhere}.event small{max-width:100%;overflow-wrap:anywhere}.trace-actions{flex-wrap:wrap}.trace-panel{min-width:0}.section-title{flex-wrap:wrap}

.demo-banner{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;padding:16px 20px;margin-top:20px;border:1px solid #607044;border-radius:8px;background:#252e1c;font-size:11px;line-height:1.8}.demo-banner b,.demo-banner a{color:#d4f783}.demo-banner span{flex:1;min-width:200px;color:#c4ceba}.demo-banner a{text-decoration:underline}