:root{
  --room:#0f2a24;--room-deep:#081b17;--paper:#fffdf8;--paper-soft:#f5f0e6;
  --ink:#17211d;--ink-soft:#66716a;--tomato:#c4362f;--cobalt:#1f5d7a;
  --brass:#c89d3f;--line:#d9d0bf;--wash:#f9f4ea;--shadow:0 24px 70px rgba(4,18,15,.28);
}
@media (prefers-color-scheme:dark){:root{
  --room:#071815;--room-deep:#04100e;--paper:#171d1a;--paper-soft:#202823;
  --ink:#f4efe5;--ink-soft:#b8b0a2;--tomato:#f26b5e;--cobalt:#7ab8d6;
  --brass:#d7b768;--line:#39433d;--wash:#212a25;--shadow:0 24px 70px rgba(0,0,0,.45);
}}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--room);color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
  min-height:100dvh;display:flex;flex-direction:column;align-items:center;
  padding:clamp(16px,4vw,40px) clamp(14px,4vw,24px);
}
.shell{width:100%;max-width:680px;display:flex;flex-direction:column;flex:1}
header{margin-bottom:clamp(18px,4vw,28px)}
header h1{margin:0;display:block;font:inherit}
.wordmark{
  font-family:"Fraunces",Georgia,serif;font-weight:700;
  font-size:clamp(1.5rem,4.5vw,2rem);color:var(--paper);
  letter-spacing:-.02em;text-decoration:none;display:inline-block;
}
.wordmark span{color:var(--brass)}
.tagline{color:rgba(255,253,248,.62);font-size:.95rem;margin:.35rem 0 0}
@media (prefers-color-scheme:dark){.tagline{color:var(--ink-soft)}}
.thread{
  background:var(--paper);border-radius:20px;padding:clamp(16px,4vw,26px);
  box-shadow:var(--shadow);flex:1;display:flex;flex-direction:column;gap:14px;
}
.msg{max-width:88%;padding:.7rem .95rem;border-radius:16px;font-size:.96rem}
.msg.them{background:var(--wash);border:1px solid var(--line);border-bottom-left-radius:5px;align-self:flex-start}
.msg.me{background:var(--room);color:var(--paper);border-bottom-right-radius:5px;align-self:flex-end}
@media (prefers-color-scheme:dark){.msg.me{background:var(--brass);color:#101512}}
.msg p{margin:0 0 .55rem}
.msg p:last-child{margin:0}
.msg strong{font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.chip{
  font:inherit;font-size:.88rem;cursor:pointer;
  background:transparent;color:var(--ink);
  border:1px solid var(--line);border-radius:999px;padding:.5rem .9rem;
  transition:background .15s,border-color .15s,transform .1s;
}
.chip:hover{background:var(--paper-soft);border-color:var(--ink-soft)}
.chip:active{transform:scale(.98)}
.chip:focus-visible{outline:2px solid var(--cobalt);outline-offset:2px}
.cta{
  display:inline-flex;align-items:center;gap:.4rem;text-decoration:none;
  background:var(--tomato);color:#fff;border-radius:999px;
  padding:.55rem 1.05rem;font-size:.9rem;font-weight:600;
}
.cta.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.cta:focus-visible{outline:2px solid var(--cobalt);outline-offset:2px}
.price{font-family:"Fraunces",Georgia,serif;font-weight:600}
footer{margin-top:18px;font-size:.82rem;color:rgba(255,253,248,.55);display:flex;flex-wrap:wrap;gap:.35rem 1rem}
@media (prefers-color-scheme:dark){footer{color:var(--ink-soft)}}
footer a{color:inherit}
@media (prefers-reduced-motion:no-preference){
  .msg,.chips{animation:rise .22s ease-out}
  @keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
}
.static-fallback{max-width:100%}
.cta-row{margin-top:.6rem}