:root{--primary:#7a29ff;--primary-hi:#8639ff;--primary-soft:#7a29ff24;--primary-grad:linear-gradient(135deg, #9b5eff 0%, #5e6bff 100%);--success:#22c55e;--danger:#ff5c5c;--radius:.75rem;--radius-sm:.5rem;--mono:ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--bg:#131316;--bg-elev:#1b1b1f;--surface:#1f1f24;--surface-2:#26262c;--border:#2c2c33;--border-strong:#3a3a42;--text:#f5f5f7;--text-dim:#a0a0aa;--text-muted:#7b7b85;--shadow:0 8px 30px #00000073}@media (prefers-color-scheme:light){:root{--bg:#f5f4f8;--bg-elev:#fff;--surface:#fff;--surface-2:#f0eef6;--border:#e5e2ee;--border-strong:#d6d2e4;--text:#17151f;--text-dim:#55525f;--text-muted:#8b8794;--shadow:0 8px 30px #3c28781a}}*{box-sizing:border-box}html,body,#app{height:100dvh;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}#app{border-left:1px solid var(--border);border-right:1px solid var(--border);background:var(--bg-elev);flex-direction:column;max-width:860px;margin:0 auto;display:flex}@media (width<=880px){#app{border-left:none;border-right:none}}::selection{background:var(--primary-soft)}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-thumb{background:var(--border-strong);background-clip:content-box;border:3px solid #0000;border-radius:999px}.topbar{border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--bg-elev) 88%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:5;align-items:center;gap:.75rem;padding:.7rem 1rem;display:flex;position:sticky;top:0}.brand{align-items:center;gap:.6rem;min-width:0;display:flex}.brand img{border-radius:7px;width:28px;height:28px}.brand .title{letter-spacing:-.01em;white-space:nowrap;font-size:1.02rem;font-weight:650}.brand .title b{color:var(--primary);font-weight:650}.brand .chain-tag{font-family:var(--mono);color:var(--text-muted);border:1px solid var(--border);border-radius:999px;align-items:center;gap:.3rem;padding:.1rem .5rem;font-size:.66rem;display:inline-flex}.brand .chain-tag:before{content:"";background:var(--success);width:6px;height:6px;box-shadow:0 0 6px var(--success);border-radius:999px}.topbar .spacer{flex:1}button{border-radius:var(--radius-sm);border:1px solid var(--primary);background:var(--primary-soft);color:var(--text);cursor:pointer;white-space:nowrap;padding:.5rem .95rem;font-family:inherit;font-size:.85rem;font-weight:600;transition:background .15s,border-color .15s,transform 50ms}button:hover:not(:disabled){border-color:var(--primary-hi);background:#7a29ff52}button:active:not(:disabled){transform:translateY(1px)}button:disabled{cursor:not-allowed;opacity:.45}button.solid{background:var(--primary);color:#fff}button.solid:hover:not(:disabled){background:var(--primary-hi)}button.ghost{border-color:var(--border-strong);color:var(--text-dim);background:0 0}button.ghost:hover:not(:disabled){background:var(--surface-2);border-color:var(--border-strong);color:var(--text)}:focus-visible{outline:2px solid var(--primary-hi);outline-offset:2px}.account-group{align-items:center;gap:.5rem;display:flex}.account-group .account{font-family:var(--mono);color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:999px;align-items:center;gap:.4rem;padding:.3rem .7rem;font-size:.8rem;display:inline-flex}.account-group .account:before{content:"";background:var(--success);border-radius:999px;width:7px;height:7px}.error-banner{color:#fff;background:color-mix(in srgb, var(--danger) 22%, transparent);border-bottom:1px solid color-mix(in srgb, var(--danger) 40%, transparent);margin:0;padding:.55rem 1rem;font-size:.85rem}.feed{flex-direction:column;flex:1;gap:.7rem;min-height:0;padding:1.1rem 1rem .5rem;display:flex;overflow-y:auto}.feed .empty{text-align:center;color:var(--text-muted);max-width:22rem;margin:auto}.feed .empty .big{color:var(--text-dim);margin-bottom:.3rem;font-size:1.05rem;font-weight:600}.msg{align-items:flex-end;gap:.6rem;max-width:82%;display:flex}.msg.mine{flex-direction:row-reverse;align-self:flex-end}.avatar{color:#fff;text-transform:uppercase;border-radius:999px;flex-shrink:0;place-items:center;width:30px;height:30px;font-size:.72rem;font-weight:700;display:grid}.bubble{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);min-width:0;padding:.5rem .75rem}.msg.mine .bubble{background:var(--primary-soft);border-color:color-mix(in srgb, var(--primary) 45%, transparent);border-bottom-right-radius:4px}.msg:not(.mine) .bubble{border-bottom-left-radius:4px}.bubble .sender{color:var(--primary);font-size:.74rem;font-weight:700;font-family:var(--mono);margin-bottom:.15rem}.msg.mine .bubble .sender{display:none}.bubble .text{color:var(--text);word-break:break-word;white-space:pre-wrap}.bubble .meta{font-family:var(--mono);color:var(--text-muted);align-items:center;gap:.5rem;margin-top:.25rem;font-size:.66rem;display:flex}.msg.mine .bubble .meta{justify-content:flex-end}.bubble .meta .id{border:1px solid var(--border);border-radius:4px;padding:0 .3rem}.bubble .meta .id:before{content:"#";opacity:.6}.composer{border-top:1px solid var(--border);background:var(--bg-elev);padding:.7rem 1rem}.composer form{align-items:center;gap:.6rem;display:flex}.composer input[type=text]{border:1px solid var(--border-strong);background:var(--surface);min-width:0;color:var(--text);border-radius:999px;outline:none;flex:1;padding:.6rem .85rem;font-family:inherit;font-size:.95rem;transition:border-color .15s}.composer input[type=text]:focus{border-color:var(--primary)}.composer input[type=text]:disabled{opacity:.6;cursor:not-allowed}.composer input[type=text]::placeholder{color:var(--text-muted)}.composer .send{flex-shrink:0}.composer .hint{color:var(--text-muted);justify-content:space-between;align-items:center;gap:.5rem;margin-top:.35rem;padding:0 .2rem;font-size:.72rem;display:flex}.composer .hint .count.over,.composer .send-error{color:var(--danger)}