:root{--u:8px;--fs:13px;--lh:20px;--ease:cubic-bezier(.22,1,.36,1)}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink)}
body{font:400 var(--fs)/var(--lh) "JetBrains Mono",ui-monospace,Menlo,monospace;-webkit-font-smoothing:antialiased;min-height:100svh;display:flex;flex-direction:column}
p,ol,ul,dl,dd,h1,h2{margin:0;padding:0;font-weight:400}ul,ol{list-style:none}
a{color:inherit;text-decoration:none}.dim{color:var(--dim)}.mid{color:var(--mid)}em{font-style:normal;color:var(--mid)}.acc{color:var(--acc)}
:focus-visible{outline:1px solid var(--ink);outline-offset:4px}
::selection{background:var(--acc);color:var(--bg)}
.grain{position:fixed;inset:0;pointer-events:none;z-index:9;opacity:.05;background:repeating-linear-gradient(0deg,#fff 0 1px,transparent 1px 3px);mix-blend-mode:overlay}
.top,.wrap,.bar{max-width:880px;width:100%;margin:0 auto;padding-left:calc(var(--u)*3);padding-right:calc(var(--u)*3)}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;padding-bottom:16px}
.brand{display:inline-flex;gap:8px;align-items:center;min-height:32px}.brand svg{width:16px;height:16px}
.crumb{color:var(--dim)}.crumb b{color:var(--mid);font-weight:400}
.wrap{flex:1}
.tab{display:flex;gap:8px;align-items:center;height:32px;padding:0 12px;background:var(--tab);border:1px solid var(--line);border-bottom:0;font-size:12px;color:var(--mid)}
.tab .r{margin-left:auto;color:var(--dim)}
.frame{position:relative;border:1px solid var(--line2);background:var(--panel);padding:16px}
.cm{position:absolute;width:6px;height:6px;border:0 solid var(--mid);pointer-events:none}
.cm.tl{left:-3px;top:-3px;border-width:1px 0 0 1px}.cm.tr{right:-3px;top:-3px;border-width:1px 1px 0 0}
.cm.bl{left:-3px;bottom:-3px;border-width:0 0 1px 1px}.cm.br{right:-3px;bottom:-3px;border-width:0 1px 1px 0}
.fh{display:flex;justify-content:space-between;gap:8px;font-size:11px;letter-spacing:.06em;color:var(--mid)}.fh b{color:var(--ink);font-weight:500}
.stage{position:relative;height:360px;margin:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;
background:repeating-linear-gradient(0deg,transparent 0 7px,rgba(var(--glow),.03) 7px 8px)}
.stage>canvas,.stage>svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage pre{margin:0;font:inherit;font-size:12px;line-height:14px;white-space:pre;color:var(--ink)}
.rule{display:flex;justify-content:space-between;font-size:10px;color:var(--dim);padding:0 2px}
.ff{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:11px;margin-top:8px;color:var(--dim);font-variant-numeric:tabular-nums}
.ff .r{margin-left:auto}
.notes{padding:32px 0 40px}.notes .pr{color:var(--mid)}.notes p+p{margin-top:4px}.notes .blk+.blk{margin-top:24px}
.lnk{color:var(--ok);background:linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;padding-bottom:1px;transition:color .3s var(--ease),background-size .45s var(--ease)}
.lnk:hover{color:var(--ink);background-size:0 1px;background-position:100% 100%}
.bar{border-top:1px solid var(--line2);padding-top:16px;padding-bottom:calc(24px + env(safe-area-inset-bottom));display:flex;justify-content:space-between;align-items:flex-end;font-size:11px;color:var(--dim);gap:16px}
.bar .title{color:var(--ink);letter-spacing:.12em;font-weight:500;font-size:13px}
.cur{display:inline-block;width:.6em;height:1.05em;vertical-align:-2px;background:var(--ink);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
body.idle .notes,body.idle .top{opacity:.55;transition:opacity 1.6s var(--ease)}.notes,.top{transition:opacity .5s var(--ease)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}.btn{all:unset;cursor:pointer;font-size:12px;padding:4px 10px;border:1px solid var(--line2);color:var(--mid)}.btn:hover,.btn:focus-visible{color:var(--ink);border-color:var(--mid)}
@media (max-width:480px){:root{--fs:12.5px}.stage{height:280px}.top,.wrap,.bar{padding-left:20px;padding-right:20px}.crumb .hide-s{display:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.tier{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ok);border:1px solid var(--line2);padding:0 6px;line-height:16px}