:root{color-scheme:dark;--bg:#0b1018;--panel:#111925;--line:#253142;--muted:#91a0b6;--text:#eef3fb;--accent:#82d8cc}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}[hidden]{display:none!important}button,input,textarea{font:inherit}button{border:1px solid transparent;background:var(--accent);color:#071b19;padding:10px 18px;border-radius:10px;cursor:pointer;font-weight:650}button:hover{filter:brightness(1.08)}button:disabled{opacity:.5;cursor:wait}input,textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#0d1521;color:var(--text);padding:13px;resize:vertical}input:focus,textarea:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.muted,.footnote,small{color:var(--muted)}h1,h2,p{margin-top:0}h1{font-size:30px;letter-spacing:-1px}h2{font-size:24px;letter-spacing:-.6px;line-height:1.3}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--accent);font-weight:700;margin:0 0 9px}.mark{display:grid;place-items:center;width:54px;height:54px;background:#193830;border:1px solid #305b50;border-radius:16px;color:var(--accent);font-size:30px;font-weight:300;margin-bottom:22px}.mark.small{width:38px;height:38px;font-size:24px;border-radius:11px;margin:0}.login{min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 50% 20%,#182d33 0%,var(--bg) 65%)}.login-card{width:100%;max-width:430px;padding:36px;background:#111925e8;border:1px solid var(--line);border-radius:24px;box-shadow:0 30px 100px #0005}.login form{display:grid;gap:12px;margin-top:25px}.error{color:#ffb6b6;min-height:20px;margin:16px 0 0}main{display:grid;grid-template-columns:260px 1fr;min-height:100dvh}aside{background:var(--panel);border-right:1px solid var(--line);padding:24px 18px;display:flex;flex-direction:column;height:100dvh;position:sticky;top:0}.brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}.brand strong{letter-spacing:3px}.brand small{display:block;font-size:12px}nav{display:flex;gap:4px;margin:20px 0 12px}nav button,.quiet{background:transparent;color:var(--muted);padding:8px 10px;font-size:13px}nav .selected{color:var(--accent);background:#1b3032}#conversation-list{overflow:auto;flex:1}#conversation-list button{display:block;background:transparent;color:var(--text);width:100%;text-align:left;font-weight:400;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:4px 0}#conversation-list .active{background:#22313e}.sidebar-footer{border-top:1px solid var(--line);padding-top:12px;display:grid;gap:8px;overflow-wrap:anywhere}.content{min-width:0;display:flex;flex-direction:column;max-width:1100px;width:100%;margin:auto;height:100dvh}header{padding:26px 36px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}header h2{margin:0}#chat-view{display:flex;flex-direction:column;flex:1;min-height:0}#messages{flex:1;overflow:auto;padding:28px 36px}.welcome{height:100%;min-height:240px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:var(--muted)}.welcome h2{color:var(--text)}.message{margin:0 0 25px;padding:18px 22px;border-radius:14px;border:1px solid var(--line);background:#111c29;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{background:#16302f;border-color:#2a4945;margin-left:12%}.message .role{display:block;font-size:10px;font-weight:750;letter-spacing:1.8px;margin-bottom:8px;color:var(--accent)}#chat-form{margin:0 36px;display:flex;align-items:flex-end;gap:12px;padding:12px;border:1px solid var(--line);background:var(--panel);border-radius:16px}#chat-form textarea{border:0;background:transparent;resize:none;max-height:180px}.footnote{text-align:center;font-size:11px;padding:0 24px;margin:10px 0 18px}.notice{margin:16px 36px 0;background:#3c2429;color:#ffc8cb;padding:12px;border-radius:10px;font-size:13px}#memory-view{padding:28px 36px;overflow:auto;flex:1}#memory-form{display:grid;gap:12px;padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--panel);margin-bottom:24px}.row{display:flex;gap:10px;align-items:center}.memory-card{padding:20px;border-bottom:1px solid var(--line)}.memory-card h3{margin:0 0 6px;font-size:16px}.memory-card p{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:700px){main{grid-template-columns:1fr}aside{height:auto;position:relative;padding:14px;border-right:0;border-bottom:1px solid var(--line)}.brand{margin-bottom:12px}aside>#new-chat{position:absolute;right:14px;top:14px;font-size:12px}nav{margin:12px 0 0}#conversation-list{max-height:110px}.sidebar-footer{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding-top:6px}.content{height:calc(100dvh - 230px);min-height:500px}header{padding:18px}#messages{padding:18px}#chat-form{margin:0 14px}.notice{margin:12px 18px 0}#memory-view{padding:20px 18px}}