:root{color-scheme:light dark;--bg:#fafafa;--panel:#fff;--ink:#202124;--muted:#5f6368;--line:#ddd;--focus:#175cd3;--button:#252525;--button-ink:#fff}
*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink)}body{font:16px/1.48 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.room{max-width:920px;margin:0 auto;height:100vh;height:100dvh;display:flex;flex-direction:column;background:var(--panel);border-inline:1px solid var(--line)}header{padding:18px 24px 12px;border-bottom:1px solid var(--line)}.heading{display:flex;justify-content:space-between;align-items:center;gap:16px}h1{font-size:22px;letter-spacing:-.03em;line-height:1.2;margin:0}#connection{font-size:12px;color:var(--muted);white-space:nowrap}.introduction{font-size:14px;margin:8px 0;white-space:pre-wrap}details{font-size:13px;color:var(--muted)}summary{cursor:pointer;width:fit-content}.about{max-height:25vh;overflow:auto;padding-right:8px}.about p{white-space:pre-wrap;margin:10px 0}.about h2{font-size:13px;margin:12px 0 0}.conversation{flex:1;min-height:90px;overflow:auto;overscroll-behavior:contain;padding:18px 24px;scrollbar-gutter:stable}.context-link{display:block;width:fit-content;font-size:13px;color:var(--muted);margin:0 0 18px}ol{list-style:none;margin:0;padding:0}li{margin:0 0 18px;overflow-wrap:anywhere}.message-head{display:flex;align-items:baseline;gap:12px}.nick{font-size:14px;font-weight:650}time{font-size:11px;color:var(--muted)}.body{margin:2px 0 0;white-space:pre-wrap;word-break:break-word;line-height:1.5}.action{font-style:italic}.empty{color:var(--muted);font-size:14px;margin:12px 0}.body a{color:inherit;text-underline-offset:.15em}footer{border-top:1px solid var(--line);padding:12px 24px 16px}.nick-field{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}label{font-size:12px;font-weight:600}#nickname{width:145px;padding:6px 8px}#nick-hint{font-size:11px;color:var(--muted)}.compose-line{display:flex;gap:10px;margin-top:4px;align-items:stretch}input,textarea{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:2px}textarea{flex:1;min-width:0;resize:vertical;max-height:22vh;padding:8px 10px}button{font:600 13px system-ui,sans-serif;border:1px solid var(--button);border-radius:2px;padding:10px 18px;background:var(--button);color:var(--button-ink);cursor:pointer}button:disabled{opacity:.55;cursor:wait}.feedback{display:flex;justify-content:space-between;gap:14px;min-height:18px;font-size:11px;color:var(--muted);margin-top:5px}#status{overflow-wrap:anywhere}#byte-count{white-space:nowrap}#new-messages{font-size:12px;padding:5px 12px;align-self:center;margin:-10px 0 6px;z-index:1}a,button,input,textarea,summary{touch-action:manipulation}:focus-visible{outline:2px solid var(--focus);outline-offset:3px}[hidden]{display:none!important}code{font:12px ui-monospace,monospace}noscript p{font-size:12px}
.colour-0{color:#075985}.colour-1{color:#9f1239}.colour-2{color:#166534}.colour-3{color:#6b21a8}.colour-4{color:#9a3412}.colour-5{color:#0f766e}.colour-6{color:#3730a3}.colour-7{color:#854d0e}.colour-8{color:#a21caf}.colour-9{color:#1e40af}.colour-10{color:#3f6212}.colour-11{color:#9d174d}
@media(prefers-color-scheme:dark){:root{--bg:#101112;--panel:#151719;--ink:#e7e8e9;--muted:#a3a8ad;--line:#36393d;--focus:#93c5fd;--button:#e5e7eb;--button-ink:#181a1c}.colour-0{color:#7dd3fc}.colour-1{color:#fda4af}.colour-2{color:#86efac}.colour-3{color:#d8b4fe}.colour-4{color:#fdba74}.colour-5{color:#5eead4}.colour-6{color:#a5b4fc}.colour-7{color:#fde68a}.colour-8{color:#f0abfc}.colour-9{color:#93c5fd}.colour-10{color:#bef264}.colour-11{color:#f9a8d4}}
@media(max-width:600px){body{font-size:15px}.room{border:0}header{padding:14px 15px 10px}.conversation{padding:14px 15px}footer{padding:10px 15px max(10px,env(safe-area-inset-bottom))}h1{font-size:20px}#nick-hint{flex-basis:100%}.nick-field{gap:6px}li{margin-bottom:15px}button{padding:9px 14px}#nickname{font-size:16px}textarea{font-size:16px}.introduction{font-size:13px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media print{header,footer,#more,#new-messages{display:none}.room{height:auto}.conversation{overflow:visible}}

/* Single input: nickname first, messages afterwards. No connection panel. */
#message{flex:1;min-width:0;width:100%;min-height:44px;padding:9px 11px;font-size:16px}
#composer-label{display:block;overflow-wrap:anywhere}
#send{min-height:44px}
.about{font-size:13px;color:var(--muted)}
.feedback{min-height:0}
#status:empty{display:none}
#byte-count{margin-left:auto}