:root{--bg:#121416;--panel:#1a1d20;--panel-2:#22262a;--line:#2e3338;--text:#ece8e1;--muted:#9aa0a6;--accent:#c9a45c;--accent-ink:#16130c;--user:#2a2f35;--danger:#e57373}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer}.brand-mark{background:var(--accent);width:44px;height:44px;color:var(--accent-ink);border-radius:12px;place-items:center;font-family:Georgia,serif;font-size:24px;font-weight:700;display:inline-grid}.brand-mark.sm{border-radius:7px;width:26px;height:26px;font-size:15px}.brand-mark.lg{border-radius:18px;width:64px;height:64px;font-size:36px}.muted{color:var(--muted)}.error{color:var(--danger);margin:8px 0 0}.login{place-items:center;min-height:100dvh;padding:16px;display:grid}.login-card{background:var(--panel);border:1px solid var(--line);text-align:center;border-radius:16px;width:100%;max-width:360px;padding:28px}.login-card h1{margin:12px 0 4px;font-family:Georgia,serif;font-weight:500}.login-card form{gap:10px;margin-top:18px;display:grid}.login-card input{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px}.login-card button{background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:12px;font-weight:600}.app{height:100dvh;display:flex;overflow:hidden}.sidebar{background:var(--panel);border-right:1px solid var(--line);flex-direction:column;flex-shrink:0;gap:10px;width:272px;padding:12px;display:flex}.new-btn{background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:10px;font-weight:600}.convos{flex:1;align-content:start;gap:2px;display:grid;overflow-y:auto}.convo{border-radius:8px;align-items:center;display:flex}.convo.active,.convo:hover{background:var(--panel-2)}.convo-title{text-align:left;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:0;flex:1;padding:9px 10px;font-size:14px;overflow:hidden}.convo-del{color:var(--muted);visibility:hidden;background:0 0;border:0;padding:4px 10px}.convo:hover .convo-del{visibility:visible}.signout{border:1px solid var(--line);width:100%;color:var(--muted);background:0 0;border-radius:10px;padding:8px}.scrim{display:none}.main{flex-direction:column;flex:1;min-width:0;display:flex}.topbar{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:10px 16px;display:flex}.menu{background:0 0;border:0;font-size:20px;display:none}.title{align-items:center;gap:8px;font-family:Georgia,serif;font-size:18px;display:flex}.toggles{gap:6px;margin-left:auto;display:flex}.toggles label{border:1px solid var(--line);cursor:pointer;color:var(--muted);-webkit-user-select:none;user-select:none;border-radius:999px;padding:5px 11px;font-size:13px}.toggles label.on{border-color:var(--accent);color:var(--accent)}.toggles input{display:none}.thread{flex-direction:column;flex:1;gap:14px;width:100%;max-width:820px;margin:0 auto;padding:20px 16px;display:flex;overflow-y:auto}.empty{text-align:center;color:var(--muted);margin:auto}.empty p{color:var(--text);font-family:Georgia,serif;font-size:22px}.msg{overflow-wrap:anywhere;line-height:1.55}.msg p{margin:0 0 10px}.msg p:last-child{margin-bottom:0}.msg.user{background:var(--user);white-space:pre-wrap;border-radius:16px 16px 4px;align-self:flex-end;max-width:85%;padding:10px 14px}.msg.assistant{align-self:stretch}.msg table{border-collapse:collapse;margin:8px 0;display:block;overflow-x:auto}.msg th,.msg td{border:1px solid var(--line);text-align:left;padding:6px 10px}.msg code{background:var(--panel-2);border-radius:5px;padding:1px 5px}.msg a{color:var(--accent)}.status{color:var(--muted);font-size:14px;font-style:italic}.dots{gap:4px;display:inline-flex}.dots i{background:var(--muted);border-radius:50%;width:6px;height:6px;animation:1.2s infinite blink}.dots i:nth-child(2){animation-delay:.2s}.dots i:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.composer{padding:12px 16px calc(12px + env(safe-area-inset-bottom));align-items:flex-end;gap:8px;width:100%;max-width:820px;margin:0 auto;display:flex}.composer textarea{resize:none;background:var(--panel);border:1px solid var(--line);field-sizing:content;border-radius:14px;flex:1;max-height:180px;padding:12px 14px}.mic,.send{border:0;border-radius:12px;height:46px}.mic{background:var(--panel-2);width:46px;font-size:18px}.mic.live{background:var(--danger);color:#fff}.send{background:var(--accent);color:var(--accent-ink);padding:0 18px;font-weight:600}.send:disabled{opacity:.45;cursor:default}@media (max-width:760px){.sidebar{z-index:20;transition:transform .2s;position:fixed;inset:0 auto 0 0;transform:translate(-100%)}.sidebar.open{transform:none}.scrim{z-index:10;background:#00000080;display:block;position:fixed;inset:0}.menu{display:block}.convo-del{visibility:visible}.toggles label{padding:4px 8px;font-size:12px}}