@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');
:root{font-family:'DM Sans','Microsoft YaHei',sans-serif;color:#dde4d7;background:#111713;color-scheme:dark;--mint:#bfd69d;--sand:#d6b38a;--line:#354031;--muted:#91a18a}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,.file-button{cursor:pointer}button,a{color:inherit}a{text-decoration:none}button{border:1px solid #4b5c40;border-radius:5px;background:#263222;padding:10px 14px;font-size:12px}button:hover,a:hover,.file-button:hover{color:#eefbdc;border-color:#b7ca9a}button:disabled{opacity:.38;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:4px}header{height:90px;display:flex;align-items:center;justify-content:space-between;padding:0 38px;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;gap:18px;align-items:center;letter-spacing:4px;font-size:20px}.brand em{font:italic 52px Georgia;color:var(--mint);letter-spacing:-6px}.brand small{display:block;font:7px 'IBM Plex Mono',monospace;letter-spacing:2px;color:var(--muted);margin-top:8px}nav{display:flex;align-items:center;gap:28px;font-size:12px}nav button{padding:0;background:none;border:0;color:var(--muted)}nav a{color:var(--muted)}nav .selected{color:var(--mint)}.network{font:9px 'IBM Plex Mono',monospace;color:var(--muted)}i#live-dot,.network i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--mint);margin-right:7px}main{max-width:1700px;margin:auto;padding:32px 36px 0}.intro{display:flex;justify-content:space-between;align-items:center;margin:0 0 30px;gap:20px}.eyebrow{font:9px 'IBM Plex Mono',monospace;letter-spacing:2px;color:var(--muted)}h1{font-size:32px;font-weight:500;letter-spacing:1.5px;margin:14px 0}h1 span{color:var(--mint);margin-left:12px}.intro p{font-size:12px;color:var(--muted);margin-bottom:0}.intro-note{font-size:12px;border-left:1px solid #4e5d40;padding-left:20px;color:var(--mint)}.intro-note small{display:block;color:var(--muted);font-size:10px;line-height:1.9;margin-top:8px}.lab-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:16px}.arena-panel,.settings,.results,.record,.chain-panel{border:1px solid var(--line);border-radius:9px;background:#19221a;overflow:hidden}.arena-top{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line);font-size:10px}.arena-top strong{font-weight:400}.arena-top>span:not(:first-child){font:9px 'IBM Plex Mono',monospace;color:var(--muted)}.stage{position:relative;height:clamp(350px,44vw,510px);background:#151d17}#arenas{display:block;width:100%;height:100%;touch-action:pan-y}.arena-label{position:absolute;top:22px;display:flex;align-items:center;gap:11px;font-size:12px;pointer-events:none}.arena-label.a{left:22px}.arena-label.b{left:calc(50% + 22px)}.arena-label b,.strain h3 b{background:#32412c;color:var(--mint);border:1px solid #5b7148;border-radius:4px;padding:7px 10px;font:13px 'IBM Plex Mono',monospace}.arena-label.b b,.group-b h3 b{background:#3f3529;color:var(--sand);border-color:#786344}.arena-label small{display:block;font:9px 'IBM Plex Mono','Microsoft YaHei',sans-serif;color:var(--muted);margin-top:7px}.stage-foot{position:absolute;bottom:14px;left:22px;right:22px;display:flex;justify-content:space-between;font-size:9px;color:var(--muted);pointer-events:none}.food-dot,.trail-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#d5b66c}.trail-dot{background:var(--mint)}#stage-loading{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#172017;font-size:14px;gap:13px}#stage-loading span{font-size:10px;color:var(--muted)}.transport{display:flex;gap:10px;align-items:center;padding:16px 20px;border-top:1px solid var(--line);flex-wrap:wrap}.primary{background:var(--mint);color:#24311b;border-color:var(--mint);font-weight:600}.primary:hover{color:#15200f;background:#d9edbc}.speed{font-size:10px;color:var(--muted);margin-left:auto}.speed select{border:1px solid var(--line);padding:7px 8px;border-radius:4px;background:#182316;color:var(--mint);margin-left:7px}.trail-toggle{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--muted)}input[type=checkbox]{accent-color:var(--mint)}progress{display:block;width:100%;height:3px;border:0;appearance:none}progress::-webkit-progress-bar{background:#2d3928}progress::-webkit-progress-value{background:var(--mint)}.arena-bottom{display:flex;justify-content:space-between;padding:14px 20px;font-size:9px;color:var(--muted);gap:10px}.settings{padding:22px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:14px}.section-heading h2{font-size:15px;font-weight:500;margin:0}.section-heading>span{font:8px 'IBM Plex Mono',monospace;letter-spacing:1px;color:#7c8c73}.section-heading h2 span{font-size:10px;color:var(--muted);margin-left:12px}fieldset{border:0;margin:0;padding:0}fieldset:disabled{opacity:.55}.field{display:flex;justify-content:space-between;align-items:center;font-size:11px;margin:21px 0}.field input,.field select{background:#131c13;border:1px solid #3d4b34;border-radius:4px;padding:8px;color:#c4d6b4;width:135px;font-size:10px}.strain{border-top:1px solid var(--line);padding:16px 0 6px}.strain h3{font-size:11px;font-weight:400;display:flex;align-items:center;gap:10px;margin:0 0 19px}.strain h3 b{padding:3px 6px;font-size:10px}.strain label{display:block;font-size:10px;color:#a6b39d;margin:12px 0}.strain output{float:right;font:9px 'IBM Plex Mono',monospace;color:var(--mint)}input[type=range]{display:block;width:100%;height:3px;margin:15px 0;accent-color:var(--mint)}.group-b input{accent-color:var(--sand)}.group-b output{color:var(--sand)}.subtle{font-size:10px!important;line-height:1.85!important;color:var(--muted)!important}.outline{width:100%;background:transparent;margin-top:5px}.results{margin-top:20px;padding:24px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:25px}.metric-grid article{border-right:1px solid var(--line);padding-right:18px}.metric-grid article:last-child{border:0}.metric-grid article>span{font-size:11px;color:#adbba3}.metric-grid article>div{display:flex;align-items:baseline;gap:7px;margin:17px 0 9px;flex-wrap:wrap}.metric-grid strong{font:24px 'IBM Plex Mono',monospace;color:var(--mint)}.metric-grid strong.sand{color:var(--sand);margin-left:10px}.metric-grid small{font:8px 'IBM Plex Mono',monospace;color:var(--muted)}.metric-grid p{font-size:9px;color:#7f9075}.conclusion{font-size:11px;color:#bac9ad;line-height:1.9;padding:15px 0 0;margin:20px 0 0;border-top:1px solid var(--line)}details{margin-top:18px;font-size:11px;color:var(--muted)}summary{cursor:pointer;padding:5px 0}details p{font-size:11px;line-height:1.9}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font:10px 'IBM Plex Mono','Microsoft YaHei',sans-serif;margin-top:12px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px;font-weight:400;white-space:nowrap}.evidence-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:20px;margin-top:20px}.record,.chain-panel{padding:24px}.record>p,.chain-panel>p{font-size:11px;color:var(--muted);line-height:1.85;margin:15px 0}.hash-row{margin:19px 0}.hash-row>span{font:9px 'IBM Plex Mono',monospace;display:block;margin-bottom:7px;color:var(--muted)}code{font:10px 'IBM Plex Mono',monospace;overflow-wrap:anywhere;line-height:1.8;color:#b7c8a8}.hash-row code{display:block;padding:9px 12px;border:1px solid #35432d;border-radius:4px;background:#141d13;min-height:36px}.action-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.action-row button,.file-button{font-size:10px;padding:9px 11px}.file-button{border:1px solid #4b5c40;border-radius:5px}.action-row a,details a{font-size:10px;color:var(--mint)}.chain-steps{list-style:none;margin:19px 0;padding:0}.chain-steps li{display:flex;justify-content:space-between;align-items:center;padding:15px 0;border-bottom:1px solid var(--line);gap:10px}.chain-steps li>div{display:flex;align-items:center;gap:14px;font-size:12px}.chain-steps b{font:12px 'IBM Plex Mono',monospace;color:#849775}.chain-steps small{display:block;font-size:9px;color:var(--muted);margin-top:7px;max-width:260px;overflow-wrap:anywhere}.chain-steps button{font-size:10px;white-space:nowrap}.history{border-top:1px solid var(--line);margin-top:16px;padding-top:8px}.history>div{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted);gap:10px;margin:8px 0}.history button{font-size:9px;padding:6px 9px}.history-label{font-size:9px;color:var(--muted);margin:5px 0 12px}#tx-payload{display:block;margin:12px 0}footer{display:flex;justify-content:space-between;gap:15px;padding:25px 0;font:8px 'IBM Plex Mono','Microsoft YaHei',sans-serif;color:#7b8c73}dialog{background:#1b261b;color:#d8e3ce;border:1px solid #566947;border-radius:12px;padding:35px;max-width:650px;width:calc(100% - 30px)}dialog::backdrop{background:#000a;backdrop-filter:blur(5px)}dialog h2{font-size:23px;font-weight:400}dialog p{font-size:12px;line-height:2;color:#a8baa0}dialog a{font-size:12px;color:var(--mint)}#method-close{position:absolute;right:12px;top:10px;border:0;background:none;font-size:22px}#notice{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);max-width:90vw;padding:13px 22px;background:#314429;border:1px solid #6a8355;border-radius:6px;font-size:12px;color:#e4f1d7;display:none;z-index:20}#notice.visible{display:block}[hidden]{display:none!important}
@media(max-width:1150px){header{padding:0 24px}.network{display:none}main{padding:24px 22px 0}h1{font-size:26px}.lab-grid{grid-template-columns:minmax(0,1fr) 245px;gap:12px}.settings{padding:18px}.stage{height:420px}.metric-grid strong{font-size:20px}.metric-grid strong.sand{margin-left:0}.transport{padding:13px}.arena-label{left:15px!important;font-size:11px}.arena-label.b{left:calc(50% + 15px)!important}.arena-label small{font-size:8px}.stage-foot{font-size:8px;left:15px;right:15px}.intro-note{display:none}}
@media(max-width:900px){.lab-grid{grid-template-columns:1fr}.settings{padding:22px}#config-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.field{margin-top:12px}.settings .subtle{margin:8px 0}.settings .outline{width:auto}.evidence-grid{grid-template-columns:1fr}.stage{height:420px}.metric-grid{grid-template-columns:1fr 1fr;gap:22px}.metric-grid article:nth-child(2){border:0}.metric-grid strong{font-size:24px}}
@media(max-width:650px){header{height:72px;padding:0 16px;gap:10px}.brand{font-size:15px;gap:11px;letter-spacing:3px}.brand em{font-size:40px}.brand small{font-size:5px;letter-spacing:1px}nav{gap:14px;font-size:10px}nav button{font-size:10px}nav .selected{display:none}main{padding:22px 12px 0}.intro{margin-bottom:22px}h1{font-size:24px;line-height:1.5}h1 span{display:block;margin:0}.intro p{font-size:11px;line-height:1.8}.stage{height:760px}.arena-label.b{top:calc(50% + 22px);left:22px!important}.arena-label.a{left:22px!important}.arena-top{padding:15px 13px}.arena-top>span:last-child{font-size:8px}.stage-foot{bottom:9px}.transport .primary{flex:1}.speed{margin-left:0}.transport{gap:9px}.arena-bottom{font-size:8px}.arena-bottom>span:first-child{max-width:65%;line-height:1.6}.results,.record,.chain-panel{padding:19px}.metric-grid{gap:20px 12px}.metric-grid article{padding-right:8px}.metric-grid strong{font-size:22px}.metric-grid article>div{gap:5px}.metric-grid article>span{font-size:10px}.metric-grid p{font-size:8px;line-height:1.6}.section-heading>span{font-size:7px}.section-heading h2{font-size:14px}.field{display:block}.field input,.field select{display:block;width:100%;margin-top:10px}#config-fields{gap:0 22px}footer{flex-wrap:wrap;font-size:7px;line-height:1.8}}
.arena-panel{display:flex;flex-direction:column}.arena-top{order:0}.transport{order:1;border-top:0;border-bottom:1px solid var(--line)}.stage{order:2;height:clamp(280px,calc(100dvh - 390px),460px)}.arena-panel progress{order:3}.arena-bottom{order:4}@media(max-width:650px){.stage{height:600px}.transport{position:sticky;top:0;z-index:2;background:#19221a}}
@media(max-width:650px){.transport .primary{flex:1 0 calc(100% - 75px);white-space:nowrap}.transport #pause{flex:0 0 55px}.transport .speed{margin-right:auto}}