:root{color-scheme:dark;--bg: #10100f;--card: #1c1914;--line: #3a3229;--text: #f2f0ed;--muted: #a79f96;--btn: #fc300a;--mine: #352419;--theirs: #22201a}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font:15px/1.5 Arial,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.app{min-height:100dvh;display:flex;flex-direction:column}.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}.brand{font-weight:650}.muted{color:var(--muted)}.login{max-width:420px;margin:12vh auto;padding:28px;background:linear-gradient(125deg,#1d1a16,#161614);border:1px solid var(--line);border-radius:16px}h1{font-size:28px;letter-spacing:-1px;margin:0 0 8px}label{display:grid;gap:6px;margin:14px 0;color:#c8b9ab;font-size:13px}input,textarea{width:100%;background:#11110f;border:1px solid #594737;border-radius:9px;color:#eee4db;padding:12px 14px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border:0;border-radius:9px;background:var(--btn);color:#fff;font-weight:550}.btn.ghost{background:transparent;border:1px solid #3c3530;color:#beb3a8}.btn:disabled{opacity:.45;cursor:not-allowed}.err{color:#ff8d6c;margin-top:10px}.shell{flex:1;display:grid;grid-template-columns:minmax(240px,320px) minmax(0,1fr);min-height:0}.list{border-right:1px solid var(--line);overflow:auto}.item{display:block;width:100%;text-align:left;background:transparent;color:inherit;border:0;border-bottom:1px solid #2b2621;padding:14px 16px}.item.active{background:#332018}.item b{display:block}.badge{display:inline-block;margin-top:6px;background:#fa300c;color:#fff;border-radius:5px;padding:0 6px;font-size:11px}.chat{display:flex;flex-direction:column;min-width:0;padding:16px}.msgs{flex:1;overflow:auto;display:flex;flex-direction:column;gap:10px}.msg{max-width:88%;padding:12px 14px;border-radius:12px;border:1px solid #383025;background:var(--theirs);white-space:pre-wrap;overflow-wrap:anywhere}.msg.mine{margin-left:auto;background:var(--mine);border-color:#5c3e26}.msg small{display:block;color:#b4977c;margin-bottom:6px}.composer{display:flex;gap:8px;margin-top:12px}.composer textarea{min-height:52px;resize:vertical}.status{font-size:13px;color:var(--muted);margin:8px 0}.empty{padding:40px 20px;color:var(--muted)}@media(max-width:800px){.shell{grid-template-columns:1fr}.list{max-height:36vh;border-right:0;border-bottom:1px solid var(--line)}}