:root { --bg:#fafaf7; --fg:#1d1d1b; --mut:#6b6b66; --line:#e3e2dc; --acc:#3a5a40; --warn:#a4161a; --gate:#eef2ea; }
@media (prefers-color-scheme: dark) { :root { --bg:#151514; --fg:#ecebe6; --mut:#9a9993; --line:#2c2c2a; --acc:#8fb996; --warn:#ff6b6b; --gate:#1f2a20; } }
* { box-sizing: border-box; }
body { margin:0; font:15px/1.45 system-ui, sans-serif; background:var(--bg); color:var(--fg); }
header { display:flex; gap:12px; align-items:center; padding:10px 16px; border-bottom:1px solid var(--line); }
header #state.frozen { color:var(--warn); font-weight:600; }
header button { margin-left:auto; }
#login { max-width:360px; margin:12vh auto; padding:0 16px; }
#login label { display:block; margin:10px 0; }
input, textarea, button { font:inherit; color:inherit; background:transparent; border:1px solid var(--line); border-radius:6px; padding:8px; }
input, textarea { width:100%; }
button { cursor:pointer; background:var(--acc); color:var(--bg); border:0; padding:8px 14px; }
#chat { display:grid; grid-template-columns: 260px 1fr; height: calc(100vh - 46px); }
#side { border-right:1px solid var(--line); padding:8px 12px; overflow:auto; font-size:13px; }
#side h2 { font-size:12px; text-transform:uppercase; color:var(--mut); }
#side ul { padding-left:16px; }
main { display:flex; flex-direction:column; min-width:0; }
#log { flex:1; overflow:auto; padding:16px; }
.msg { margin:0 0 12px; white-space:pre-wrap; overflow-wrap:anywhere; }
.msg.me { text-align:right; }
.msg.me span { background:var(--line); }
.msg span { display:inline-block; padding:8px 12px; border-radius:10px; max-width:85%; text-align:left; }
.msg.gate span { background:var(--gate); }
.msg.refused span { border:1px solid var(--warn); }
#sendform { display:flex; gap:8px; padding:10px 16px; border-top:1px solid var(--line); }
@media (max-width: 700px) { #chat { grid-template-columns: 1fr; } #side { display:none; } }