@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=Roboto+Mono:wght@400;500;600;700&display=swap');

:root{
  --paper:#b79a68;
  --paper-light:#dec38d;
  --red:#980815;
  --red-dark:#6d050d;
  --ink:#17110d;
  --cream:#f0dfb9;
  --line:rgba(109,5,13,.58);
  --panel-size:min(calc((100vw - 70px)/2),calc(100vh - 160px),700px);
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;
  color:var(--ink);
  font-family:'Roboto Mono',monospace;
  background:
    radial-gradient(circle at 15% 15%,rgba(255,255,255,.14),transparent 28%),
    repeating-linear-gradient(0deg,rgba(58,31,10,.025) 0,rgba(58,31,10,.025) 1px,transparent 1px,transparent 4px),
    var(--paper);
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.15;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
}
button,input{font:inherit}
button{cursor:pointer}
.page-shell{width:max-content;max-width:calc(100% - 28px);margin:14px auto 0}
.bot-stage{display:grid;grid-template-columns:var(--panel-size) var(--panel-size);gap:14px;align-items:stretch}
.portrait-panel,.chat-panel{width:var(--panel-size);height:var(--panel-size);border:2px solid var(--red);overflow:hidden;margin:0}
.portrait-panel{position:relative;background:#17110d}
.portrait-panel .lars-image{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  filter:saturate(.9) contrast(1.05);
}
.portrait-panel:after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 55px rgba(0,0,0,.34);z-index:2}

.chat-panel{display:flex;flex-direction:column;background:rgba(238,216,170,.60);padding:20px 24px}
.chat-head{padding:0 0 15px;border-bottom:1.5px solid var(--line);flex:none}
.chat-name{font:800 clamp(28px,3vw,46px)/.9 'Barlow Condensed',sans-serif;color:var(--red);letter-spacing:.02em}
.chat-kicker{margin-top:8px;font:700 clamp(17px,1.5vw,23px)/1.2 'Barlow Condensed',sans-serif;text-transform:uppercase}
.messages{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:18px 4px 20px 0;scrollbar-width:thin;scrollbar-color:var(--red) transparent}
.messages::-webkit-scrollbar{width:6px}.messages::-webkit-scrollbar-thumb{background:var(--red)}
.entry{position:relative;padding:0 0 21px;margin:0 0 21px;border-bottom:1px solid rgba(109,5,13,.34);font-size:clamp(14px,1.05vw,17px);line-height:1.55;overflow-wrap:anywhere}
.entry:last-child{margin-bottom:0}
.entry.user{color:var(--red);font-weight:700;padding-left:22px}
.entry.user:before{content:">";position:absolute;left:0;top:0}
.entry.bot{display:grid;grid-template-columns:auto 1fr;gap:9px;color:var(--ink)}
.speaker{font-weight:800}
.entry .text{white-space:pre-wrap}
.thinking{opacity:.5}

.chat-form{margin-top:12px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;border:2px solid var(--red);background:rgba(239,218,174,.45);min-height:64px}
.prompt-mark{display:flex;align-items:center;padding-left:18px;color:var(--red);font-weight:800;font-size:22px}
.chat-form input{min-width:0;border:0;background:transparent;color:var(--ink);padding:16px 12px;font-size:18px;outline:none}
.chat-form input::placeholder{color:rgba(23,17,13,.45)}
.chat-form button{border:0;border-left:2px solid var(--red);background:var(--red);color:var(--cream);padding:0 30px;font:800 22px/1 'Barlow Condensed',sans-serif;letter-spacing:.05em}
.chat-form button:hover,.chat-form button:focus-visible{background:var(--red-dark);outline:none}

footer{width:min(calc(var(--panel-size)*2 + 14px),calc(100% - 28px));margin:8px auto 10px;padding:8px 1px;display:flex;gap:12px;align-items:center;justify-content:space-between;color:rgba(23,17,13,.66);font-family:'Barlow Condensed',sans-serif;border-top:1px solid rgba(109,5,13,.24)}
.footer-left{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;min-width:0}
.footer-brand{font-size:20px;font-weight:800;color:var(--red);letter-spacing:-.03em}
.footer-credit{font-size:12px;font-weight:600;color:rgba(23,17,13,.66);white-space:nowrap}
.footer-credit a{color:inherit;text-decoration:none}
.footer-credit a:hover{text-decoration:underline}
.footer-meta{display:flex;gap:11px;flex-wrap:wrap;font-size:12px;font-weight:600;text-transform:uppercase}
footer nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
footer a{color:inherit;text-decoration:none;font-size:12px;font-weight:600}
footer a:hover{text-decoration:underline}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media(max-width:900px){
  :root{--panel-size:min(calc(100vw - 20px),620px)}
  .page-shell{width:var(--panel-size);max-width:none;margin-top:10px}
  .bot-stage{grid-template-columns:var(--panel-size);gap:10px}
  .portrait-panel,.chat-panel{width:var(--panel-size);height:var(--panel-size)}
  footer{width:var(--panel-size);flex-direction:column;align-items:flex-start;gap:5px}
  footer nav{justify-content:flex-start}
}
@media(max-width:600px){
  :root{--panel-size:100vw}
  .page-shell{width:100%;margin:0}
  .bot-stage{gap:0}
  .portrait-panel,.chat-panel{border-left:0;border-right:0}
  .portrait-panel{border-top:0}
  .chat-panel{height:72vh;min-height:470px;padding:17px 16px}
  .entry{font-size:14px;line-height:1.48;margin-bottom:17px;padding-bottom:17px}
  .entry.bot{grid-template-columns:1fr;gap:3px}
  .chat-form{margin-top:0;border-left:0;border-right:0;min-height:58px}
  .prompt-mark{padding-left:13px;font-size:19px}
  .chat-form input{font-size:16px;padding:14px 8px}
  .chat-form button{font-size:18px;padding:0 18px}
  footer{width:100%;margin:8px 0 0;padding:10px 14px;border-top:1px solid rgba(109,5,13,.24)}
}