:root{--bg:#0a0305;--panel:#170609;--line:#4a1220;--text:#f7e4e6;--muted:#c79aa2;--rose:#ff6b7d;--crimson:#c8102e;color-scheme:dark}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 50% -10%,#2a0710 0,var(--bg) 60%);color:var(--text);font:1.05rem/1.55 Georgia,"Iowan Old Style",serif}
main{max-width:40rem;margin:0 auto;padding:2rem 1rem 1rem}
h1{font-size:clamp(2rem,7vw,3rem);margin:.2em 0 .1em;letter-spacing:.02em}
h1 span{color:var(--rose)}
h2{font-size:1.1rem;margin:0 0 .5rem}
.lede{color:var(--muted);margin-top:0}
.muted{color:var(--muted);font-size:.9rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.empty{color:var(--muted);font-style:italic;text-align:center;margin:2.5rem 0}
.thread{list-style:none;margin:1.5rem 0;padding:0;display:flex;flex-direction:column;gap:.9rem}
.turn{max-width:82%;padding:.7rem 1rem;border:1px solid var(--line);border-radius:1rem;background:var(--panel);overflow-wrap:anywhere;animation:in 1.2s ease both}
.turn.a{align-self:flex-start;border-top-left-radius:.25rem}
.turn.b{align-self:flex-end;border-top-right-radius:.25rem;border-color:var(--crimson)}
.turn small{display:block;color:var(--rose);font:.75rem/1.2 system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.25rem}
.thread.plain{display:block;border-left:2px solid var(--crimson);padding-left:1rem}
.thread.plain .turn{display:inline;max-width:none;border:0;background:none;padding:0;animation:none}
.thread.plain .turn small{display:none}
.thread.plain .turn::after{content:" "}
@keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
form,.share,.names{background:var(--panel);border:1px solid var(--line);border-radius:1rem;padding:1rem;margin:1.2rem 0}
.who{margin:0 0 .5rem;color:var(--rose)}
textarea,input[type=text]{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:.6rem;padding:.6rem .7rem;font:inherit}
textarea{resize:vertical}
.row{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin-top:.6rem}
.row .muted{margin-right:auto}
.row label{flex:1 1 10rem;color:var(--muted);font-size:.9rem}
.row label input{margin-top:.25rem}
.share .row input{flex:1 1 14rem;width:auto}
button{font:600 .95rem system-ui,sans-serif;color:var(--text);background:var(--crimson);border:1px solid var(--crimson);border-radius:.6rem;padding:.55rem 1rem;cursor:pointer}
button:hover{background:#e0132f}
button.ghost{background:none;border-color:var(--line);color:var(--muted)}
button.ghost:hover{border-color:var(--rose);color:var(--text)}
:focus-visible{outline:2px solid var(--rose);outline-offset:2px}
summary{cursor:pointer;color:var(--muted)}
.prompt{margin:.6rem 0 0;min-height:1.3em;font-style:italic}
footer{max-width:40rem;margin:0 auto;padding:1rem 1rem 2.5rem;text-align:center;font-size:.9rem}
footer p{margin:.3rem 0}
a{color:var(--rose)}
@media (prefers-reduced-motion:reduce){.turn{animation:none}}