:root{--bg: #0b0e14;--bg-elev: #121722;--bg-elev-2: #1a2130;--border: #232b3a;--border-strong: #33405a;--text: #e6edf3;--text-dim: #9aa7b8;--text-faint: #6b7688;--accent: #4c8dff;--accent-2: #16c784;--warn: #ffb454;--danger: #ff6b6b;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;color-scheme:dark;font-family:var(--sans);color:var(--text);background:var(--bg)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh}body{background:radial-gradient(1200px 600px at 80% -10%,rgba(76,141,255,.08),transparent 60%),radial-gradient(900px 500px at 0% 0%,rgba(22,199,132,.06),transparent 55%),var(--bg)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.2;margin:0 0 .4em}code,.mono{font-family:var(--mono)}.app{max-width:1080px;margin:0 auto;padding:0 20px 80px}.masthead{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:28px 0 18px;border-bottom:1px solid var(--border);flex-wrap:wrap}.brand{display:flex;align-items:baseline;gap:12px}.brand h1{font-size:22px;letter-spacing:-.02em;margin:0}.brand .dot{color:var(--accent)}.brand .tag{font-size:13px;color:var(--text-dim)}.masthead .links{display:flex;gap:16px;font-size:13px}.safety{display:flex;align-items:center;gap:10px;margin:16px 0 4px;padding:10px 14px;font-size:13px;color:var(--warn);background:#ffb45414;border:1px solid rgba(255,180,84,.25);border-radius:10px}.safety strong{color:var(--warn)}.tabs{display:flex;gap:4px;margin:22px 0 26px;border-bottom:1px solid var(--border);overflow-x:auto}.tab{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--text-dim);font:inherit;font-size:14px;padding:10px 14px;cursor:pointer;white-space:nowrap;display:flex;align-items:center;gap:8px}.tab:hover{color:var(--text)}.tab[aria-selected=true]{color:var(--text);border-bottom-color:var(--accent)}.tab .num{font-family:var(--mono);font-size:11px;color:var(--text-faint)}.tab.soon{opacity:.55}.badge-soon{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);border:1px solid var(--border-strong);border-radius:999px;padding:1px 6px}.panel{background:var(--bg-elev);border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin-bottom:18px}.panel h2{font-size:16px}.panel h3{font-size:14px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em}.muted{color:var(--text-dim)}.faint{color:var(--text-faint)}.lead{font-size:15px;line-height:1.6;color:var(--text-dim);max-width:70ch}.grid{display:grid;gap:14px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:720px){.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}}.invariant{background:var(--bg-elev-2);border:1px solid var(--border);border-radius:12px;padding:14px 16px}.invariant .layer{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin-bottom:8px}.invariant ul{margin:0;padding-left:18px;color:var(--text-dim);font-size:13px;line-height:1.7}.invariant .vehicle{margin-top:10px;font-size:12px;color:var(--text-faint)}label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:6px}input[type=text],textarea,select{width:100%;background:var(--bg);border:1px solid var(--border-strong);border-radius:10px;color:var(--text);font-family:var(--mono);font-size:13px;padding:10px 12px;resize:vertical}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent)}button.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border-strong);background:var(--bg-elev-2);color:var(--text);font:inherit;font-size:13px;padding:9px 14px;border-radius:10px;cursor:pointer;transition:border-color .15s,background .15s}button.btn:hover{border-color:var(--accent)}button.btn.primary{background:var(--accent);border-color:var(--accent);color:#06122b;font-weight:600}button.btn.primary:hover{filter:brightness(1.05)}button.btn:disabled{opacity:.5;cursor:not-allowed}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.stack>*+*{margin-top:14px}.kv{display:grid;grid-template-columns:160px 1fr;gap:8px 16px;font-size:13px}.kv dt{color:var(--text-faint);text-transform:uppercase;font-size:11px;letter-spacing:.05em;padding-top:2px}.kv dd{margin:0;font-family:var(--mono);word-break:break-all;color:var(--text)}@media(max-width:640px){.kv{grid-template-columns:1fr;gap:2px 0}.kv dd{margin-bottom:8px}}.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-family:var(--mono);padding:2px 8px;border-radius:999px;border:1px solid var(--border-strong)}.pill.ok{color:var(--accent-2);border-color:#16c78466;background:#16c78414}.pill.bad{color:var(--danger);border-color:#ff6b6b66;background:#ff6b6b14}.callout{border-left:3px solid var(--accent);padding:4px 0 4px 14px;margin:14px 0;color:var(--text-dim);font-size:13px;line-height:1.6}.callout.warn{border-left-color:var(--warn)}.diagram{background:linear-gradient(0deg,#4c8dff08,#4c8dff08),var(--bg);border:1px solid var(--border);border-radius:12px;padding:18px 16px}.diagram-title{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:14px;display:flex;align-items:center;gap:8px}.diagram-svg{width:100%;height:auto;display:block}.diagram-caption{margin-top:12px;font-size:12px;color:var(--text-faint);line-height:1.6;text-align:center}.legend{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:12px;font-size:11.5px;color:var(--text-dim)}.legend .swatch{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}.chain-wrap{display:flex;flex-direction:column;gap:18px}.mempool{border:1px dashed var(--border-strong);border-radius:10px;padding:10px 12px;min-height:58px}.mempool .mp-label{font-size:11px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}.mp-txs{display:flex;flex-wrap:wrap;gap:6px}.tx-dot{width:16px;height:16px;border-radius:4px;background:#ffb4542e;border:1px solid var(--warn);animation:tx-pulse 1.6s ease-in-out infinite}@keyframes tx-pulse{0%,to{opacity:.55;transform:translateY(0)}50%{opacity:1;transform:translateY(-2px)}}.chain-row{display:flex;align-items:stretch;gap:0;overflow-x:auto;padding-bottom:6px}.block{position:relative;flex:0 0 auto;width:120px;border-radius:10px;border:1px solid var(--border-strong);background:var(--bg-elev-2);padding:10px 12px;transition:border-color .4s,background .4s,opacity .4s,transform .4s;animation:block-in .45s cubic-bezier(.2,.8,.2,1)}@keyframes block-in{0%{opacity:0;transform:translate(18px) scale(.96)}to{opacity:1;transform:translate(0) scale(1)}}.block.pending{border-color:var(--warn);box-shadow:0 0 0 1px #ffb45440,0 0 22px #ffb4541f}.block.confirmed{border-color:var(--accent)}.block.finalized{border-color:var(--accent-2);background:#16c7840f}.block.orphan{border-color:var(--danger);background:#ff6b6b14;opacity:.35;transform:translateY(10px) scale(.95)}.block .bh{font-size:11px;color:var(--text);font-weight:600;font-family:var(--mono)}.block .bhash{font-size:10px;color:var(--text-faint);font-family:var(--mono);margin-top:3px;word-break:break-all}.block .bmeta{font-size:10px;color:var(--text-dim);margin-top:6px;display:flex;justify-content:space-between}.block .conf{font-family:var(--mono)}.link{flex:0 0 auto;width:22px;align-self:center;height:2px;background:linear-gradient(90deg,var(--border-strong),var(--accent));position:relative}.link:after{content:"";position:absolute;right:-1px;top:-3px;border:4px solid transparent;border-left-color:var(--accent)}.packet{fill:var(--accent)}.pnode rect{transition:stroke .35s,fill .35s}.pipe{display:flex;align-items:stretch;gap:0;overflow-x:auto;padding-bottom:4px}.pipe.vertical{flex-direction:column;align-items:stretch}.pstep{flex:1 1 0;min-width:150px;border:1px solid var(--border-strong);border-radius:10px;background:var(--bg-elev-2);padding:10px 12px;opacity:.5;transition:opacity .4s,border-color .4s,box-shadow .4s}.pstep.active{opacity:1}.pstep.ok{border-color:var(--accent-2);box-shadow:0 0 0 1px #16c78440}.pstep.bad{border-color:var(--danger);box-shadow:0 0 0 1px #ff6b6b40}.pstep .pt{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent)}.pstep .pv{font-family:var(--mono);font-size:12px;margin-top:6px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pstep .pn{font-size:11px;color:var(--text-faint);margin-top:5px;line-height:1.4}.pconn{flex:0 0 26px;align-self:center;height:3px;border-radius:2px;background-image:linear-gradient(90deg,var(--accent) 0 45%,transparent 45% 100%);background-size:12px 3px;background-repeat:repeat-x;opacity:.35}.pconn.flow{opacity:1;animation:conn-flow .7s linear infinite}.pipe.vertical .pconn{flex-basis:22px;width:3px;height:auto;align-self:center;background-image:linear-gradient(180deg,var(--accent) 0 45%,transparent 45% 100%);background-size:3px 12px;background-repeat:repeat-y}@keyframes conn-flow{0%{background-position:0 0}to{background-position:12px 0}}@media(prefers-reduced-motion:reduce){.pconn.flow,.tx-dot,.block{animation:none}}.stackd{display:flex;flex-direction:column;gap:6px}.stackd .slayer{border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:linear-gradient(90deg,rgba(76,141,255,calc(var(--depth) * .05)),transparent 70%),var(--bg-elev-2);display:grid;grid-template-columns:150px 1fr;gap:12px;align-items:center}@media(max-width:640px){.stackd .slayer{grid-template-columns:1fr;gap:6px}}.stackd .sname{font-size:13px;font-weight:600;color:var(--text)}.stackd .svehicle{font-size:11px;color:var(--text-faint);margin-top:2px}.stackd .schips{display:flex;flex-wrap:wrap;gap:6px}.chip{font-size:11.5px;font-family:var(--mono);color:var(--text-dim);border:1px solid var(--border);border-radius:999px;padding:2px 9px;background:var(--bg)}.stackd .bedrock{text-align:center;font-size:11px;color:var(--text-faint);letter-spacing:.08em;text-transform:uppercase;margin-top:4px}.foot{margin-top:40px;padding-top:20px;border-top:1px solid var(--border);color:var(--text-faint);font-size:12px;line-height:1.7}