:root{--bg: #14161a;--surface: #1a1d22;--card: #22262d;--hover: #2a3038;--border: #2e343c;--text: #e8eaed;--muted: #8b919a;--green: #7dce8a;--ink: #102016;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;height:100%;background:var(--bg);color:var(--text)}button,input{font:inherit}.gate{min-height:100%;display:grid;place-items:center;padding:24px}.card{width:min(440px,100%);background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}.card.wide{width:min(560px,100%);max-height:80vh;overflow:auto}h1{margin:0 0 8px;font-size:20px}h2{margin:0 0 8px;font-size:12px;color:var(--muted)}.hint{color:var(--muted);font-size:13px;margin:0 0 16px}.error{color:#f5a3a3;font-size:13px}label{display:block;color:var(--muted);font-size:12px;margin:10px 0 6px}input{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px 12px}button{border:0;cursor:pointer;border-radius:999px;padding:10px 16px}button.primary{width:100%;margin-top:16px;background:var(--green);color:var(--ink);font-weight:600}button.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}button.tiny{padding:4px 8px;font-size:12px}button:disabled{opacity:.6}.room{display:flex;flex-direction:column;height:100%}.room>header,.modal header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}.actions{display:flex;gap:8px}.actions .ghost{width:auto}.body{flex:1;display:flex;min-height:0}.chat{flex:1;display:flex;flex-direction:column;min-width:0}.log{flex:1;overflow:auto;padding:16px}.sys{text-align:center;margin:8px 0}.sys span{display:inline-block;background:var(--hover);color:var(--muted);font-size:12px;border-radius:12px;padding:4px 10px}.row{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:10px}.row.mine{align-items:flex-end}.meta{color:var(--muted);font-size:12px;margin:0 4px 4px}.bubble{max-width:78%;background:var(--card);border-radius:16px 16px 16px 4px;padding:8px 12px;line-height:1.35;word-break:break-word}.row.mine .bubble{background:var(--green);color:var(--ink);border-radius:16px 16px 4px}.file-icon{display:inline-block;margin-right:6px;font-size:12px;opacity:.8}.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.composer input{flex:1;border-radius:22px}.composer .primary,.composer .ghost{width:auto;margin:0;min-width:72px}aside{width:240px;background:var(--surface);border-left:1px solid var(--border);padding:12px;overflow:auto}.peer{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}.peer .hint{margin:2px 0 0}.qr-box{margin:8px auto 12px;width:220px;height:220px;padding:10px;background:#fff;border-radius:12px}.qr-box img{width:100%;height:100%;display:block}.qr-room{text-align:center;font-size:18px;margin:0 0 6px}.card .ghost{width:100%;margin-top:10px}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:grid;place-items:center;padding:16px}@media(max-width:720px){.body{flex-direction:column-reverse}aside{width:auto;max-height:140px;border-left:0;border-bottom:1px solid var(--border)}.composer{flex-wrap:wrap}.composer input{min-width:100%}}