.ttchat-app{max-width:760px;margin:24px auto;border:1px solid #29312f;background:#0c1211;color:#d7f7dc;font-family:"Courier New",monospace;border-radius:10px;overflow:hidden}
.ttchat-start,.ttchat-room{padding:22px}.ttchat-terminal-bar{display:flex;justify-content:space-between;font-size:12px;color:#77d68a;border-bottom:1px solid #29312f;padding-bottom:10px;margin-bottom:18px}.ttchat-start h2{margin:0 0 8px;color:#b7ffbf;font-size:28px}.ttchat-sub{color:#9db3a1;margin-bottom:22px}.ttchat-label{display:block;margin-bottom:7px}.ttchat-input,.ttchat-compose textarea{box-sizing:border-box;width:100%;border:1px solid #35503e;background:#07100c;color:#e7ffea;border-radius:7px;padding:12px;font:inherit;outline:none}.ttchat-input:focus,.ttchat-compose textarea:focus{border-color:#76d789}.ttchat-character-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}.ttchat-character{border:1px solid #35503e;background:#101a16;color:#d7f7dc;text-align:left;padding:14px;border-radius:8px;cursor:pointer}.ttchat-character:hover{border-color:#76d789}.ttchat-character strong,.ttchat-character span{display:block}.ttchat-character span{color:#8fa596;font-size:12px;margin-top:6px}.ttchat-primary{width:100%;border:0;background:#89e49b;color:#0b1710;font-weight:700;padding:13px;border-radius:7px;cursor:pointer}.ttchat-note{font-size:12px;color:#74867a;margin:14px 0 0}.ttchat-room-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:1px solid #29312f}.ttchat-online{font-size:11px;color:#72df88;margin-left:8px}.ttchat-exit{background:transparent;color:#9db3a1;border:1px solid #35503e;border-radius:6px;padding:7px 10px;cursor:pointer}.ttchat-log{height:440px;overflow-y:auto;padding:20px 2px}.ttchat-msg{display:flex;gap:8px;margin-bottom:14px;line-height:1.55;word-break:break-word}.ttchat-msg.user{color:#f0f4f1}.ttchat-msg.assistant{color:#b7ffbf}.ttchat-who{flex:0 0 auto;font-weight:700}.ttchat-status{min-height:22px;color:#71877a;font-size:12px}.ttchat-compose{display:grid;grid-template-columns:1fr auto;gap:8px}.ttchat-compose textarea{resize:none;min-height:46px}.ttchat-compose button{border:0;background:#89e49b;color:#0b1710;font-weight:700;border-radius:7px;padding:0 18px;cursor:pointer}.ttchat-compose button:disabled{opacity:.5}.ttchat-shake{animation:ttchat-shake .3s linear}@keyframes ttchat-shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
@media(max-width:640px){.ttchat-app{margin:12px 0;border-radius:6px}.ttchat-start,.ttchat-room{padding:16px}.ttchat-character-grid{grid-template-columns:1fr}.ttchat-log{height:52vh;min-height:320px}.ttchat-start h2{font-size:24px}.ttchat-compose{grid-template-columns:1fr auto}.ttchat-compose button{padding:0 14px}}