.shell{--bg0:#282828;--bg1:#3c3836;--bg:#1d2021;--fg:#ebdbb2;--muted:#a89984;--blue:#83a598;--aqua:#8ec07c;--yellow:#fabd2f;--orange:#fe8019;--red:#fb4934;--purple:#d3869b;min-height:100dvh;padding:2px 2px env(safe-area-inset-bottom);background:radial-gradient(1200px 600px at 0 -10%,var(--bg) 0,var(--bg0) 60%);color:var(--fg)}.window{position:relative;display:grid;grid-template-rows:36px 1fr auto;max-width:980px;height:100dvh;margin:0 auto;border:1px solid var(--bg1);border-radius:0;background:var(--bg0);box-shadow:0 16px 40px rgba(0,0,0,.45);overflow:hidden}.titlebar{padding:0 12px;background:linear-gradient(180deg,var(--bg0),var(--bg));border-bottom:1px solid var(--bg1);-webkit-user-select:none;-moz-user-select:none;user-select:none}.nav,.titlebar{display:flex;align-items:center;justify-content:center}.nav{gap:16px;flex-wrap:wrap}.social-link{display:flex;align-items:center;gap:6px;padding:6px 10px;font:11px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--muted);text-decoration:none;border-radius:6px;border:1px solid transparent;transition:all .2s ease}.social-link:hover{color:var(--fg);background:var(--bg1);border-color:var(--yellow);transform:translateY(-1px)}.braille{color:var(--aqua);font-weight:800;letter-spacing:1px;display:inline-block;min-width:1ch}.idle{color:var(--muted)}.intro-block{padding:8px 6px 14px;display:grid;place-items:center}@media (max-width:768px){.intro-block{padding:4px 3px 8px}}.help{margin-top:16px;display:flex;flex-wrap:wrap;justify-content:center;gap:14px 24px;align-items:baseline}.help .intro{flex:0 0 100%;width:100%}.intro{max-width:820px;text-align:left;color:var(--fg)}.intro-line{margin:2px 0;color:var(--fg)}.intro-section{margin:10px 0 6px;color:var(--fg)}.intro-section strong{font-weight:700}.intro-section.spaced{margin-top:1.5rem}.intro-list{list-style:none;padding:0;margin:4px 0 10px}.intro-list li{position:relative;padding-left:14px;margin:3px 0}.intro-list li:before{content:"›";position:absolute;left:0;top:0;color:var(--yellow)}.intro-link{color:var(--fg);text-decoration:none;border-bottom:3px dashed var(--bg1);text-underline-offset:5px}.intro-link:hover{color:var(--yellow);border-bottom-color:var(--yellow)}@media (max-width:768px){.help{margin-top:8px;gap:8px 16px;font-size:12px}}.cmd{color:var(--orange);font-weight:600}.desc{color:var(--muted);margin-left:8px}.term{margin:0;padding:18px;overflow:auto;background:var(--bg0);color:var(--fg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--yellow) var(--bg1)}.term::-webkit-scrollbar{width:8px}.term::-webkit-scrollbar-track{background:var(--bg1);border-radius:4px}.term::-webkit-scrollbar-thumb{background:#fabd2f;border-radius:4px}.term::-webkit-scrollbar-thumb:hover{background:#fabd2f}.stream{margin:0;white-space:pre-wrap;word-break:break-word;font:12px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.2px}.row{padding:10px;border-top:0 solid var(--bg1)}.box,.row{background:var(--bg0)}.box{position:relative;display:flex;align-items:center;border-radius:3px;padding:4px;border:1px solid #fabd2f;box-shadow:inset 0 1px 0 hsla(0,0%,100%,.03)}.prompt{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#fabd2f;font-weight:700;pointer-events:none}.inp{flex:1 1;background:transparent;color:var(--fg);border:0;padding-left:22px;outline:none;font:inherit;caret-color:transparent}.inp::placeholder{color:var(--muted)}.inp:focus{background:var(--bg1)}.measure{position:absolute;left:34px;top:50%;transform:translateY(-50%);white-space:pre;font:inherit;color:transparent;pointer-events:none}.measure-end{visibility:hidden}.sel{position:absolute;top:7px;height:calc(100% - 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