:root{color-scheme:dark;--bg:#0b1915;--panel:#11251e;--line:#294339;--text:#e8eee5;--muted:#a4b5a8;--accent:#a6dfb8;--mono:ui-monospace,"SFMono-Regular",Consolas,monospace;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px;line-height:1.65}

*{box-sizing:border-box}
body{margin:0;background:radial-gradient(ellipse at 80% 0,#244a3428,transparent 48%),var(--bg);color:var(--text)}
main{max-width:1120px;margin:auto;padding:0 40px}
a{color:inherit;text-underline-offset:4px;text-decoration-color:#70977d}
a:hover{color:var(--accent)}
button,textarea{font:inherit}
button{cursor:pointer}
button:disabled{cursor:default;opacity:.45}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
nav{display:flex;justify-content:space-between;align-items:center;padding:27px 0;border-bottom:1px solid var(--line);font-size:13px}
nav a{text-decoration:none}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.13em}
header{padding:66px 0 40px;max-width:850px}
.eyebrow{font:11px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin:0 0 15px}
h1{font-size:clamp(40px,6vw,68px);line-height:1.09;letter-spacing:-.055em;font-weight:550;margin:0 0 25px}
h1 span{color:#a2bdaa}
.intro{font-size:17px;color:var(--muted);max-width:690px;margin:0}
.intro a{color:var(--text)}
.facts{display:flex;gap:20px;flex-wrap:wrap;margin-top:23px;font:11px var(--mono);color:#adc5af}
.facts span:before{content:'•';color:var(--accent);margin-right:9px}
.workbench{border:1px solid #3b5b49;border-radius:14px;overflow:hidden;box-shadow:0 24px 90px #0002}
.launch-panel{display:flex;justify-content:space-between;align-items:center;gap:20px;background:var(--panel);padding:26px 28px}
.launch-panel .eyebrow{margin-bottom:11px}
.modes{display:flex;gap:10px}
.mode{background:transparent;border:1px solid var(--line);border-radius:7px;color:var(--text);text-align:left;padding:10px 16px;min-width:176px;font-weight:600}
.mode span{display:block;color:var(--muted);font-size:11px;font-weight:400}
.mode.selected{background:#254735;border-color:#93cda0}
.launch-actions{text-align:right}
.primary{background:var(--accent);color:#153a27;border:1px solid var(--accent);border-radius:7px;padding:10px 18px;font-weight:650}
.primary:hover:enabled{background:#c1edce}
.primary span{padding-left:15px}
.quiet{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:7px;padding:10px 14px;margin-left:5px}
.quiet:hover:enabled{border-color:var(--muted)}
#download-note{font-size:11px;color:var(--muted);margin:9px 0 0}
.machine-bar{display:flex;justify-content:space-between;gap:15px;padding:10px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#0d1f18;font:11px var(--mono);color:#a3b9a7}
.machine-bar>div{display:flex;align-items:center;gap:8px}
#status-dot{height:6px;width:6px;background:#859887;border-radius:50%;flex-shrink:0}
#status-dot.running{background:var(--accent);box-shadow:0 0 8px #a6dfb866}
#status-dot.error,#status-dot.halted{background:#e7a58d}
#status-dot.loading{background:#d7c289}
#build-label{white-space:nowrap;color:#809886}
#progress-wrap{padding:12px 24px;background:#11251c;color:var(--muted);font:11px var(--mono)}
progress{width:100%;height:4px;accent-color:var(--accent);display:block;margin-bottom:5px}
.terminal-wrap{background:#08130f;position:relative}
#welcome{min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:35px 24px}
#welcome[hidden]{display:none}
.terminal-glyph{font:36px var(--mono);color:#719f7e;margin-bottom:10px}
#welcome h2{font-size:20px;font-weight:500;letter-spacing:-.025em;margin:0 0 8px}
#welcome p{color:var(--muted);font-size:13px;max-width:540px;margin:0}
#welcome .muted{color:#708b77;font-size:11px;margin-top:15px}
#uart{margin:0;min-height:310px;height:360px;padding:22px 26px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;color:#b9e4c3;font:13px/1.7 var(--mono);tab-size:4}
.terminal-wrap:focus-within #uart{outline:1px solid var(--accent);outline-offset:-3px}
.terminal-wrap:focus-within #uart.reading::after{content:' ';display:inline-block;width:.6em;height:1em;vertical-align:-.15em;background:var(--accent)}
#terminal-input{position:absolute;left:26px;bottom:45px;width:1px;height:1px;padding:0;border:0;opacity:0}
#terminal-help{margin:0;padding:0 26px 12px;color:var(--muted);font:11px/1.5 var(--mono)}
form{background:#0e2118;border-top:1px solid var(--line);padding:13px 22px 17px}
form label{display:flex;justify-content:space-between;color:#8daa93;font-size:10px;margin-bottom:5px}
form label span:first-child{color:#bdd2c0}
.editor{display:flex;align-items:start;gap:12px}
.editor>span{font:14px var(--mono);color:var(--accent);padding-top:8px}
.editor textarea{display:block;min-width:0;flex:1;resize:vertical;min-height:78px;max-height:340px;font:13px/1.65 var(--mono);color:var(--text);background:transparent;border:0;padding:6px 0;outline:none}
.editor textarea::placeholder{color:#54705c}
.editor .primary{margin-top:5px}
form:focus-within{box-shadow:inset 0 0 0 1px #668f71}
.examples{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:15px 22px;background:var(--panel);border-top:1px solid var(--line);font-size:11px;color:var(--muted)}
#examples{display:flex;flex-wrap:wrap;gap:7px}
#examples button{border:1px solid #355140;border-radius:5px;background:transparent;color:#ccdece;padding:5px 10px;font-size:11px}
#examples button:hover{background:#2c4733}
#notice{font-size:13px;color:#e6b495;min-height:20px;margin:12px 0 0}
.language-note{font-size:12px;color:#8ca693;margin:0;max-width:880px}
.details-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;margin:55px 0 35px}
.details-grid h2{font-size:23px;line-height:1.3;font-weight:500;letter-spacing:-.025em;margin:0 0 12px}
.details-grid p:not(.eyebrow){font-size:13px;color:var(--muted)}
.details-grid .small{font-size:11px!important;color:#829e88!important}
.links{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:12px}
.text-button{display:block;border:0;background:transparent;padding:0;color:#87ad91;font-size:11px;text-decoration:underline;text-underline-offset:4px;margin-top:12px}
.technical{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;font-size:12px;color:var(--muted)}
.technical summary{cursor:pointer;color:#b2cbb8}
.technical>div{max-width:820px;padding-top:5px}
.technical p{margin-bottom:12px}
footer{display:flex;justify-content:space-between;gap:25px;padding:30px 0 38px;font-size:10px;color:#78947f}
footer strong{font-weight:600;color:#a9c0ac}
footer>div:last-child{text-align:right}
footer a{text-decoration-color:#45624d}

@media(max-width:760px){main{padding:0 20px}
header{padding:43px 0 30px}
.intro{font-size:15px}
.launch-panel{padding:20px;align-items:stretch;flex-direction:column}
.mode{min-width:0;flex:1}
.launch-actions{text-align:left}
.launch-actions p{display:inline-block;margin-left:12px!important}
.machine-bar{padding:10px 16px}
#build-label{display:none}
.details-grid{gap:28px;grid-template-columns:1fr;margin-top:35px}
.facts{gap:10px;font-size:10px}
footer{flex-direction:column;gap:15px}
footer>div:last-child{text-align:left}
#uart{padding:18px 16px;height:340px;font-size:12px}
form{padding:12px}
.editor{gap:8px}
.editor textarea{font-size:12px}
.editor .primary{padding:8px 13px}
.examples{padding:12px;gap:8px}
}


select{font:inherit;font-size:12px;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:6px;margin-bottom:12px}.launch-actions>label{font-size:12px;color:var(--muted)}
.command{background:#08130f;padding:16px;border:1px solid var(--line);border-radius:7px;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.6 var(--mono)}
code,kbd{font-family:var(--mono);font-size:.93em}.details-grid>article{min-width:0}

.modes{flex-wrap:wrap}.mode{min-width:135px}.launch-panel>div:first-child{min-width:0}