:root,[data-theme=dark]{color-scheme:dark;--bg: #0d1024;--bg-soft: #161a36;--panel: #1b1f3a;--panel-strong: #232850;--line: rgba(255, 255, 255, .08);--line-strong: rgba(255, 255, 255, .16);--ink-strong: #f5f5ff;--ink: #d8dbf0;--ink-soft: #9ea3c6;--ink-faint: #8c91b4;--accent: #f7931a;--accent-2: #7ad1ff;--accent-3: #ffd479;--accent-4: #6ff0b6;--warning-bg: rgba(255, 174, 95, .12);--warning-ink: #ffb56b;--metric-bg: rgba(122, 209, 255, .1);--pass-bg: rgba(111, 240, 182, .13);--pass-ink: #6ff0b6;--fail-bg: rgba(255, 110, 134, .15);--fail-ink: #ff8d9f;--pending-bg: rgba(255, 212, 121, .13);--pending-ink: #ffd479;--mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Consolas, monospace;--sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--shadow-1: 0 12px 30px rgba(0, 0, 0, .45);--shadow-2: 0 4px 14px rgba(0, 0, 0, .3);--radius-sm: 6px;--radius: 12px;--radius-lg: 18px}[data-theme=light]{color-scheme:light;--bg: #f6f6fb;--bg-soft: #ecedf6;--panel: #ffffff;--panel-strong: #f1f1fa;--line: rgba(20, 23, 60, .08);--line-strong: rgba(20, 23, 60, .16);--ink-strong: #14143c;--ink: #2a2c5b;--ink-soft: #4a4f78;--ink-faint: #63688f;--accent: #9a5400;--accent-2: #0a5c87;--accent-3: #8a4f08;--accent-4: #146b40;--warning-bg: rgba(138, 79, 8, .14);--warning-ink: #6e3e06;--metric-bg: rgba(10, 92, 135, .12);--pass-bg: rgba(20, 107, 64, .15);--pass-ink: #0b5b34;--fail-bg: rgba(140, 26, 53, .13);--fail-ink: #8c1a35;--pending-bg: rgba(138, 79, 8, .15);--pending-ink: #6e3e06;--shadow-1: 0 10px 24px rgba(20, 23, 60, .12);--shadow-2: 0 4px 12px rgba(20, 23, 60, .08)}*{box-sizing:border-box}html,body{margin:0;padding:0;background-color:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#app{max-width:1080px;margin:0 auto;padding:32px 24px 64px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100px;left:12px;z-index:100;padding:10px 16px;background-color:var(--accent);color:var(--bg);border-radius:var(--radius-sm);text-decoration:none;font-weight:600;transition:top .15s ease}.skip-link:focus{top:12px;outline:2px solid var(--accent-2);outline-offset:2px}.hero-panel{position:relative;padding:32px 32px 28px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--panel) 0%,var(--panel-strong) 100%);border:1px solid var(--line);box-shadow:var(--shadow-1);margin-bottom:32px}.hero-panel .hero-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-2);margin:0 0 10px;padding-right:52px}.hero-panel h1{font-size:clamp(28px,4vw,40px);margin:0 0 14px;color:var(--ink-strong);letter-spacing:-.01em;padding-right:52px}.hero-panel p.hero-lede{font-size:17px;color:var(--ink);max-width:70ch;margin:0 0 18px}.hero-panel details{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}.hero-panel summary{cursor:pointer;color:var(--accent);font-weight:600;font-size:14px}.hero-panel details[open] summary{margin-bottom:8px}.hero-metric{display:inline-flex;margin-top:10px;padding:8px 14px;background-color:var(--metric-bg);border:1px solid var(--line);color:var(--accent-2);font-family:var(--mono);font-size:12.5px;border-radius:14px;max-width:100%}.theme-toggle{position:absolute;top:20px;right:20px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line-strong);background-color:var(--panel-strong);color:var(--ink-strong);display:inline-flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;transition:transform .15s ease,background .2s ease}.theme-toggle:hover{transform:rotate(15deg);background-color:var(--panel)}.theme-toggle:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}@media (prefers-reduced-motion: reduce){.theme-toggle,.theme-toggle:hover{transition:none;transform:none}*{animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}}.lab-section{margin-bottom:32px;padding:24px 24px 22px;background-color:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-2)}.section-heading-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:8px}.section-heading-row h2{font-size:22px;margin:0;color:var(--ink-strong);letter-spacing:-.01em}.section-kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}.lab-section>p{margin:6px 0 14px;color:var(--ink);max-width:75ch}.panel-card{padding:16px 18px;background-color:var(--panel-strong);border:1px solid var(--line);border-radius:var(--radius)}button{font-family:var(--sans);font-size:14px;font-weight:700;min-height:44px;padding:10px 18px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background-color:var(--accent);color:var(--bg);cursor:pointer;transition:filter .15s ease,transform .05s ease}[data-theme=light] button{color:#fff}button:hover{filter:brightness(1.08)}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}button.secondary{background-color:var(--panel-strong);color:var(--ink-strong);border-color:var(--line-strong)}[data-theme=light] button.secondary{color:var(--ink-strong)}.playground-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.reuse-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-sm)}.table-wrap:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.math-table{width:100%;min-width:320px;border-collapse:collapse;font-size:14px}.math-table th,.math-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}.math-table th{color:var(--accent);font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.1em}.scenario-status{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;border:1px solid var(--line)}.scenario-status--valid{background-color:var(--pass-bg);color:var(--pass-ink)}.scenario-status--invalid{background-color:var(--fail-bg);color:var(--fail-ink)}.scenario-status--pending{background-color:var(--pending-bg);color:var(--pending-ink)}code,.mono{font-family:var(--mono);font-size:13px}pre{background-color:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;overflow-x:auto;color:var(--ink-strong)}.scripture-footer{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);text-align:center;color:var(--ink-soft);font-style:italic;font-size:14px}.scripture-footer cite{font-style:normal;color:var(--ink)}@media (max-width: 600px){#app{padding:22px 16px 48px}.hero-panel{padding:26px 22px 22px}.theme-toggle{top:14px;right:14px}}.mini-card-title{display:block;color:var(--ink-strong);font-size:14px;margin-bottom:6px}.mini-card-body{margin:0;color:var(--ink-soft);font-size:13.5px}.lab-note{margin:14px 0 0;padding:10px 14px;background-color:var(--warning-bg);border:1px solid var(--line);border-left:3px solid var(--warning-ink);border-radius:var(--radius-sm);color:var(--ink);font-size:13px}.pattern-card .pattern-script{display:flex;align-items:baseline;gap:8px;margin:8px 0;flex-wrap:wrap}.pattern-label{flex:0 0 auto;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:2px 7px;border-radius:999px;background-color:var(--metric-bg);color:var(--accent-2)}.pattern-script code{font-size:12px;color:var(--ink-strong);word-break:break-word}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.kv-row{display:grid;grid-template-columns:110px 1fr;gap:4px 12px;padding:8px 0;border-top:1px solid var(--line)}.kv-key{font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent)}.kv-value{color:var(--ink-strong);word-break:break-all}.kv-hint{grid-column:2;font-size:12px;color:var(--ink-soft)}.scenario-pick{margin:18px 0 6px}.pick-label{display:block;font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft);margin-bottom:8px}.scenario-buttons{display:flex;flex-wrap:wrap;gap:8px}.scenario-btn{background-color:var(--panel-strong);color:var(--ink);border:1px solid var(--line-strong);border-left-width:4px}.scenario-btn.good{border-left-color:var(--pass-ink)}.scenario-btn.bad{border-left-color:var(--fail-ink)}.scenario-btn.is-active{background-color:var(--accent);color:var(--bg);border-color:var(--accent)}[data-theme=light] .scenario-btn:not(.is-active){color:var(--ink)}[data-theme=light] .scenario-btn.is-active{color:#fff}.scenario-blurb{margin:14px 0 4px}.scenario-blurb .twist{margin:0 0 8px;color:var(--ink);font-size:14.5px}.scenario-blurb .expectation{margin:0;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.signed-over{font-size:12.5px;color:var(--ink-soft)}.tx-panel strong,.script-panel .script-tag{display:inline-block}.tx-panel td.tampered{color:var(--fail-ink);font-weight:700}.script-line{display:flex;gap:10px;align-items:baseline;margin:6px 0;flex-wrap:wrap}.script-tag{flex:0 0 auto;font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;padding:3px 8px;border-radius:999px}.script-tag.unlock{background-color:var(--metric-bg);color:var(--accent-2)}.script-tag.lock{background-color:var(--pending-bg);color:var(--pending-ink)}.script-line code{color:var(--ink-strong);font-size:12.5px;word-break:break-word}.script-bytes{margin-top:10px;font-family:var(--mono);font-size:11px;color:var(--ink-soft);word-break:break-all}.token-strip{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:12px;background-color:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:16px}.token{font-family:var(--mono);font-size:12.5px;font-weight:600;min-height:0;line-height:1.2;padding:5px 9px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background-color:var(--panel);color:var(--ink-soft);cursor:pointer;transition:background .15s ease,color .15s ease,transform .1s ease}.token.executed{color:var(--ink-strong);border-color:var(--accent)}.token.active{background-color:var(--accent);color:var(--bg);border-color:var(--accent);transform:translateY(-1px)}[data-theme=light] .token.active{color:#fff}.token-sep{color:var(--ink-soft);font-weight:700;padding:0 2px}.viz-grid{display:grid;grid-template-columns:minmax(220px,1fr) minmax(260px,1.4fr);gap:16px}.viz-left,.viz-right{min-width:0}.stack-view{display:flex;flex-direction:column;gap:8px;padding:14px;min-height:220px;background-color:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);justify-content:flex-end}.stack-caption{order:-1;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:4px}.stack-item{display:flex;flex-direction:column;gap:2px;padding:8px 12px;background-color:var(--panel);border:1px solid var(--line-strong);border-radius:var(--radius-sm);box-shadow:var(--shadow-2);animation:stack-pop .18s ease}@keyframes stack-pop{0%{transform:translateY(-6px);opacity:.4}to{transform:translateY(0);opacity:1}}.stack-item.top{border-color:var(--accent)}.stack-item.is-true{border-color:var(--pass-ink);background-color:var(--pass-bg)}.stack-item.is-false{border-color:var(--fail-ink);background-color:var(--fail-bg)}.stack-item-label{font-size:11.5px;color:var(--ink-soft)}.stack-item-hex{font-size:12.5px;color:var(--ink-strong);word-break:break-all}.stack-empty{text-align:center;color:var(--ink-soft);font-size:28px}.step-desc{display:flex;flex-direction:column;gap:6px;padding:14px;min-height:90px;background-color:var(--panel-strong);border:1px solid var(--line);border-left:4px solid var(--line-strong);border-radius:var(--radius-sm)}.step-desc.step-verify-pass{border-left-color:var(--pass-ink)}.step-desc.step-verify-fail,.step-desc.step-abort{border-left-color:var(--fail-ink)}.step-desc.step-push,.step-desc.step-op{border-left-color:var(--accent)}.step-token{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.04em}.step-action{color:var(--ink-strong);font-size:14px}.step-note{color:var(--ink-soft);font-size:12.5px}.verdict:empty{display:none}.verdict{margin-top:14px;padding:14px 16px;border-radius:var(--radius-sm);border:1px solid var(--line)}.verdict-accept{background-color:var(--pass-bg);border-color:var(--pass-ink)}.verdict-reject{background-color:var(--fail-bg);border-color:var(--fail-ink)}.verdict-head{font-weight:800;font-size:15px;margin-bottom:6px}.verdict-accept .verdict-head{color:var(--pass-ink)}.verdict-reject .verdict-head{color:var(--fail-ink)}.verdict p{margin:6px 0 0;font-size:13.5px;color:var(--ink)}.verdict-security{font-weight:600;color:var(--ink-strong)}.verdict-reason{font-family:var(--mono);font-size:12px;color:var(--ink-soft)}.viz-controls{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}@media (max-width: 640px){.viz-grid,.kv-row{grid-template-columns:1fr}.kv-hint{grid-column:1}}.copy-btn{min-height:0;padding:4px 9px;font-size:13px;line-height:1;border-radius:var(--radius-sm)}.hex-field{margin:10px 0}.hex-field-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px}.hex-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent)}.hex-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;padding:8px 10px;background-color:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);white-space:nowrap}.hex-scroll:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.hex-scroll code{color:var(--ink-strong);font-size:12px}.inspectors{margin-top:16px;display:flex;flex-direction:column;gap:10px}.inspector{background-color:var(--panel-strong);border:1px solid var(--line);border-radius:var(--radius);padding:0 16px}.inspector>summary{cursor:pointer;padding:14px 0;font-weight:700;color:var(--ink-strong);list-style-position:inside}.inspector[open]>summary{border-bottom:1px solid var(--line);margin-bottom:12px}.inspector>div{padding-bottom:16px}.insp-help{margin:0 0 12px;color:var(--ink-soft);font-size:13px}.seg-table .seg-bytes{word-break:break-all}.seg-note{color:var(--ink-soft);font-size:12px}.seg-changed{background-color:var(--warning-bg)}.seg-changed td:first-child{font-weight:700;color:var(--warning-ink)}.seg-was{color:var(--fail-ink);font-style:italic}.insp-flags{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.verify-line{margin:12px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px}.verify-aside{color:var(--ink-soft);font-size:12.5px}.pipe-row{display:flex;align-items:baseline;gap:10px;padding:6px 0 6px 12px;border-left:2px solid var(--line-strong);margin-left:6px}.pipe-arrow{font-family:var(--mono);font-size:11px;color:var(--accent-2);flex:0 0 auto}.pipe-row code{color:var(--ink-strong);word-break:break-all}.pipe-compare{display:grid;grid-template-columns:1fr;gap:10px;margin:14px 0 4px}.pipe-cap{display:block;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);margin-bottom:2px}.pipe-compare code{word-break:break-all;color:var(--ink-strong)}.pipe-compare code.ok{color:var(--pass-ink)}.pipe-compare code.mismatch{color:var(--fail-ink)}.advanced{margin:14px 0 6px;border-top:1px solid var(--line);padding-top:12px}.advanced>summary{cursor:pointer;font-weight:600;color:var(--accent);font-size:14px}.adv-help{margin:10px 0;color:var(--ink-soft);font-size:13px}.adv-grid{display:grid;grid-template-columns:1fr;gap:6px 12px;margin-bottom:8px}.adv-label{font-size:12.5px;color:var(--ink);font-weight:600}.adv-input{width:100%;font-family:var(--mono);font-size:13px;padding:9px 11px;background-color:var(--bg-soft);border:1px solid var(--line-strong);border-radius:var(--radius-sm);color:var(--ink-strong)}.adv-input:focus-visible{outline:2px solid var(--accent-2);outline-offset:1px}.adv-err{min-height:18px;margin:4px 0;color:var(--fail-ink);font-size:12.5px;font-weight:600}.adv-actions{display:flex;gap:10px;flex-wrap:wrap}.pick-group-label{display:block;font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft);margin:8px 0 4px}.scenario-row{display:flex;flex-wrap:wrap;gap:8px}.scenario-btn.edge{font-style:italic}.speed-label{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-soft)}.speed-sel{font-family:var(--sans);font-size:13px;padding:8px 1.8rem 8px 10px;min-height:44px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background-color:var(--panel-strong);color:var(--ink-strong);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%238b949e' stroke-width='2' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .6rem center}.scrubber-wrap{margin-top:12px}.scrubber{width:100%;accent-color:var(--accent);cursor:pointer}.scrubber:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.step-diff{margin-top:10px;display:flex;flex-direction:column;gap:6px}.step-diff:empty{display:none}.diff-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.diff-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);min-width:56px}.diff-chip{font-family:var(--mono);font-size:11.5px;padding:3px 8px;border-radius:999px;border:1px solid var(--line)}.diff-chip.pop{background-color:var(--fail-bg);color:var(--fail-ink)}.diff-chip.push{background-color:var(--pass-bg);color:var(--pass-ink)}.diff-none{color:var(--ink-faint)}.matrix-heading{font-size:16px;color:var(--ink-strong);margin:24px 0 10px}.matrix-table{font-size:13px}.matrix-table th{white-space:nowrap}.matrix-active{background-color:var(--metric-bg)}.matrix-jump{min-height:0;padding:4px 8px;font-size:12.5px;font-weight:700;background-color:transparent;color:var(--accent);border:1px solid transparent;text-align:left}[data-theme=light] .matrix-jump{color:var(--accent)}.matrix-jump:hover{border-color:var(--line-strong)}.verdict-pill{font-family:var(--mono);font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px}.verdict-pill.ok{background-color:var(--pass-bg);color:var(--pass-ink)}.verdict-pill.no{background-color:var(--fail-bg);color:var(--fail-ink)}