:root{
  color-scheme:dark;
  --bg:#0d0f11;
  --panel:#121519;
  --panel-2:#171b20;
  --surface:#1a1f25;
  --surface-2:#20262d;
  --border:#262c33;
  --border-2:#343c45;
  --text:#f2f4f6;
  --text-2:#c5cbd2;
  --muted:#858e98;
  --muted-2:#65707b;
  --danger:#d99a9a;
  --success:#9fc1a8;
  --max:820px;
}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;background:var(--bg);color:var(--text);font-family:Inter,Geist,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
body{overflow:hidden}
button,textarea{font:inherit}
button{color:inherit}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.app{height:100dvh;display:grid;grid-template-rows:56px 1fr auto;background:var(--bg)}
.topbar{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 max(12px,env(safe-area-inset-left));border-bottom:1px solid rgba(255,255,255,.055);background:rgba(13,15,17,.94);backdrop-filter:blur(16px);z-index:10}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:4px}
.brand{border:0;background:transparent;padding:8px 9px;font-size:17px;font-weight:650;letter-spacing:-.035em;cursor:pointer}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border:0;background:transparent;border-radius:10px;color:var(--muted);cursor:pointer}
.icon-btn:hover,.icon-btn:focus-visible{background:rgba(255,255,255,.055);color:var(--text);outline:none}
.status-dot{width:7px;height:7px;border-radius:50%;background:#4c535b;margin:0 4px;transition:background .2s ease,box-shadow .2s ease}
.status-dot.online{background:#88aa91;box-shadow:0 0 0 3px rgba(136,170,145,.08)}
.status-dot.error{background:#a76f6f}
.conversation{min-height:0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#2c3238 transparent;padding:0 16px 180px}
.conversation-inner{width:min(var(--max),100%);margin:0 auto;min-height:100%}
.empty{padding-top:min(24vh,210px);padding-inline:4px}
.empty h1{margin:0;font-size:clamp(32px,5vw,48px);line-height:1.04;letter-spacing:-.052em;font-weight:600}
.messages{padding:30px 0 10px;display:flex;flex-direction:column;gap:30px}
.turn{display:grid;grid-template-columns:72px minmax(0,1fr);gap:18px;align-items:start}
.turn-role{padding-top:2px;color:var(--muted);font-size:12px;line-height:1.5}
.turn-content{font-size:15px;line-height:1.68;color:var(--text);min-width:0;overflow-wrap:anywhere}
.turn.user .turn-content{color:#e2e6ea}
.turn.error .turn-content{color:#e0a1a1}
.turn.pending .turn-content{color:var(--muted)}
.turn-content p{margin:0 0 12px}
.turn-content p:last-child{margin-bottom:0}
.turn-content ul,.turn-content ol{margin:8px 0 12px;padding-left:22px}
.turn-content li{margin:4px 0}
.turn-content code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;background:#171b20;border:1px solid #252b32;border-radius:6px;padding:2px 5px;font-size:.92em}
.turn-content pre{overflow:auto;background:#111419;border:1px solid #262d35;border-radius:11px;padding:13px 14px;margin:12px 0;white-space:pre}
.turn-content pre code{border:0;background:transparent;padding:0}
.turn-content a{color:#c9d2dc;text-decoration-color:#59636e;text-underline-offset:3px}
.turn-content blockquote{margin:12px 0;padding-left:14px;border-left:2px solid #414a54;color:var(--text-2)}
.turn-meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.meta-chip{font-size:10px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:3px 7px;letter-spacing:.02em}
.sources{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.source-link{display:inline-flex;align-items:center;gap:6px;max-width:220px;border:1px solid var(--border);border-radius:9px;padding:6px 8px;color:var(--text-2);text-decoration:none;font-size:11px;background:#12161a}
.source-link:hover{border-color:var(--border-2);background:#171b20}
.source-link span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.composer-shell{position:fixed;left:0;right:0;bottom:0;z-index:9;padding:32px max(12px,env(safe-area-inset-right)) max(13px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));background:linear-gradient(to top,var(--bg) 62%,rgba(13,15,17,.92) 78%,rgba(13,15,17,0))}
.composer{width:min(var(--max),100%);margin:0 auto;background:#171b20;border:1px solid var(--border-2);border-radius:19px;padding:10px 10px 9px 14px;box-shadow:0 16px 45px rgba(0,0,0,.24)}
.composer:focus-within{border-color:#47515d}
.composer textarea{display:block;width:100%;max-height:190px;resize:none;overflow-y:auto;border:0;outline:0;background:transparent;color:var(--text);font-size:15px;line-height:1.52;padding:5px 4px 10px 0}
.composer textarea::placeholder{color:#737d87}
.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}
.mode-row{display:flex;align-items:center;gap:6px}
.mode-btn{height:31px;display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--muted);font-size:12px;padding:0 9px;cursor:pointer}
.mode-btn svg{width:15px;height:15px}
.mode-btn:hover{background:#1d2228;color:var(--text-2)}
.mode-btn[aria-pressed="true"]{background:#242a31;color:var(--text);border-color:#333b44}
.send-btn{width:34px;height:34px;display:grid;place-items:center;border:0;border-radius:10px;background:#eef1f3;color:#111417;cursor:pointer}
.send-btn svg{width:18px;height:18px;stroke-width:2.2}
.send-btn:disabled{opacity:.35;cursor:default}
.error-line{width:min(var(--max),100%);min-height:15px;margin:6px auto 0;color:#bd8686;font-size:11px;text-align:center}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.48);backdrop-filter:blur(2px);z-index:20}
.drawer{position:fixed;top:0;bottom:0;width:min(360px,92vw);background:#101317;border-color:var(--border);z-index:21;display:flex;flex-direction:column;box-shadow:0 24px 70px rgba(0,0,0,.45);transition:transform .18s ease}
.drawer-left{left:0;border-right:1px solid var(--border);transform:translateX(-103%)}
.drawer-right{right:0;border-left:1px solid var(--border);transform:translateX(103%)}
.drawer.open{transform:translateX(0)}
.drawer-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 14px 0 18px;border-bottom:1px solid var(--border)}
.drawer-head h2{margin:0;font-size:17px;letter-spacing:-.025em;font-weight:620}
.new-chat-wide{margin:14px 14px 8px;height:40px;display:flex;align-items:center;gap:9px;border:1px solid var(--border);border-radius:10px;background:#15191e;padding:0 11px;color:var(--text-2);cursor:pointer;text-align:left}
.new-chat-wide:hover{background:#1a1f25;border-color:#343c45}
.new-chat-wide svg{width:16px;height:16px}
.history-list{padding:4px 10px 18px;overflow:auto;display:flex;flex-direction:column;gap:3px}
.history-empty{padding:16px 10px;color:var(--muted);font-size:12px}
.history-item{display:block;width:100%;border:0;background:transparent;border-radius:9px;padding:10px;text-align:left;cursor:pointer;color:var(--text-2)}
.history-item:hover,.history-item.active{background:#191e24;color:var(--text)}
.history-item strong{display:block;font-size:13px;font-weight:530;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.history-item span{display:block;margin-top:4px;color:var(--muted-2);font-size:10px}
.settings-stack{overflow:auto;padding:16px 14px 30px}
.setting-group{border:1px solid var(--border);border-radius:13px;background:#13171b;margin-bottom:12px;overflow:hidden}
.setting-row{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 13px;border-bottom:1px solid var(--border)}
.setting-row.no-border{border-bottom:0}
.setting-row strong{display:block;font-size:13px;font-weight:590}
.setting-row p{margin:4px 0 0;color:var(--muted);font-size:11px;line-height:1.45;max-width:220px}
.status-pill{flex:0 0 auto;border:1px solid var(--border-2);border-radius:999px;padding:5px 7px;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.06em}
.status-pill.online{color:var(--success);border-color:#3a5140}
.status-pill.error{color:#d2a0a0;border-color:#573b3b}
.switch{width:39px;height:23px;border:0;border-radius:999px;background:#2b3138;padding:2px;cursor:pointer;transition:background .15s ease}
.switch span{display:block;width:19px;height:19px;border-radius:50%;background:#9ca5ae;transition:transform .15s ease,background .15s ease}
.switch[aria-checked="true"]{background:#dde2e6}
.switch[aria-checked="true"] span{transform:translateX(16px);background:#171b20}
.subtle-row,.danger-row{width:100%;height:43px;display:flex;align-items:center;justify-content:space-between;border:0;border-bottom:1px solid var(--border);background:transparent;padding:0 13px;text-align:left;font-size:12px;cursor:pointer}
.subtle-row:last-child,.danger-row:last-child{border-bottom:0}
.subtle-row{color:var(--text-2)}
.subtle-row:hover,.danger-row:hover{background:#181d22}
.subtle-row span:last-child{color:var(--muted);font-size:11px}
.danger-row{color:#d39a9a}
.memory-panel{border-top:1px solid var(--border);padding:8px}
.memory-list{display:flex;flex-direction:column;gap:5px}
.memory-empty{padding:10px;color:var(--muted);font-size:11px}
.memory-item{display:flex;align-items:flex-start;gap:8px;border:1px solid #252c33;border-radius:9px;background:#111519;padding:9px}
.memory-item p{flex:1;margin:0;color:var(--text-2);font-size:11px;line-height:1.45}
.memory-delete{flex:0 0 auto;border:0;background:transparent;color:var(--muted);padding:1px;cursor:pointer}
.memory-delete:hover{color:#d39a9a}
.memory-delete svg{width:15px;height:15px}
.tiny-note{text-align:center;color:#59636d;font-size:9px;margin:16px 0 0;text-transform:uppercase;letter-spacing:.09em}
@media(max-width:680px){
  .app{grid-template-rows:52px 1fr auto}.topbar{height:52px;padding-inline:8px}.brand{padding-left:6px}.icon-btn{width:36px;height:36px}
  .conversation{padding:0 13px 166px}.empty{padding-top:16vh}.empty h1{font-size:36px}
  .messages{padding-top:23px;gap:25px}.turn{grid-template-columns:1fr;gap:5px}.turn-role{font-size:10px}.turn-content{font-size:14.5px;line-height:1.65}
  .composer-shell{padding-left:9px;padding-right:9px}.composer{border-radius:16px;padding-left:12px}.mode-btn{padding:0 8px}.mode-btn span{font-size:11px}
  .drawer{width:100%;border-left:0;border-right:0}.source-link{max-width:180px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}