:root { --bg:#fff; --fg:#202124; --muted:#5f6368; --line:#dfe1e5; --link:#1a0dab; --accent:#4f46e5; --accent2:#06b6d4; --box:#f8f9fa; }
@media (prefers-color-scheme: dark) { :root { --bg:#202124; --fg:#e8eaed; --muted:#9aa0a6; --line:#3c4043; --link:#8ab4f8; --box:#303134; } }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif; }
a { color:var(--link); text-decoration:none; } a:hover { text-decoration:underline; }
.logo { font-weight:800; letter-spacing:-.03em; background:linear-gradient(90deg,var(--accent),var(--accent2)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.logo span { color:var(--fg); -webkit-text-fill-color:var(--fg); }
.home { min-height:100vh; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:20px; }
.home .logo { font-size:78px; margin-bottom:26px; }
form.search { width:100%; max-width:640px; }
.box { display:flex; align-items:center; border:1px solid var(--line); border-radius:999px; padding:0 18px; background:var(--bg); box-shadow:0 1px 6px rgba(32,33,36,.12); }
.box:focus-within { box-shadow:0 1px 10px rgba(32,33,36,.25); }
.box svg { flex:none; color:var(--muted); }
.box input { flex:1; border:0; outline:0; background:transparent; color:var(--fg); font-size:16px; padding:13px 12px; min-width:0; }
.btns { text-align:center; margin-top:26px; }
.btns button, .btns a.btn { display:inline-block; background:var(--box); border:1px solid transparent; border-radius:5px; color:var(--fg); padding:9px 16px; margin:4px 5px; font-size:14px; cursor:pointer; }
.btns button:hover, .btns a.btn:hover { border-color:var(--line); text-decoration:none; }
.stats { color:var(--muted); font-size:13px; margin-top:34px; text-align:center; }
header.bar { display:flex; align-items:center; gap:24px; padding:16px 22px 0; border-bottom:1px solid var(--line); }
header.bar .logo { font-size:28px; flex:none; padding-bottom:16px; }
header.bar form.search { max-width:690px; padding-bottom:16px; }
header.bar .chatlink { margin-left:auto; padding-bottom:16px; font-size:14px; white-space:nowrap; }
main { max-width:690px; padding:12px 22px 60px 160px; }
@media (max-width:900px) { main { padding-left:22px; } header.bar { gap:12px; padding:12px 14px 0; } }
.meta { color:var(--muted); font-size:13px; margin:8px 0 14px; }
.result { margin-bottom:26px; }
.result .site { display:flex; align-items:center; gap:8px; font-size:13px; }
.result .fav { width:26px; height:26px; border-radius:50%; background:var(--box); border:1px solid var(--line); display:grid; place-items:center; font-size:12px; color:var(--muted); flex:none; }
.result .site small { color:var(--muted); display:block; font-size:12px; word-break:break-all; }
.result h3 { margin:2px 0 3px; font-weight:400; font-size:20px; line-height:1.3; }
.result p { margin:0; color:var(--muted); font-size:14px; }
.ai { border:1px solid var(--line); border-radius:16px; padding:16px 18px; margin:6px 0 26px; background:linear-gradient(135deg, rgba(79,70,229,.07), rgba(6,182,212,.07)); }
.ai .head { display:flex; align-items:center; gap:8px; font-weight:600; margin-bottom:8px; }
.ai .head .spark { color:var(--accent); } .ai .head small { color:var(--muted); font-weight:400; margin-left:auto; }
.ai .body { white-space:pre-wrap; } .ai .body sup { font-size:11px; color:var(--accent); }
.ai .src { margin-top:12px; display:flex; flex-wrap:wrap; gap:6px; }
.ai .src a { font-size:12px; border:1px solid var(--line); border-radius:999px; padding:3px 10px; background:var(--bg); color:var(--fg); }
.ai .err { color:var(--muted); font-size:13px; }
.skeleton { height:12px; border-radius:6px; background:var(--line); margin:8px 0; animation:pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity:.4; } }
.pager { display:flex; gap:10px; margin-top:20px; } .pager a, .pager span { padding:8px 14px; border:1px solid var(--line); border-radius:8px; }
.empty { margin-top:30px; color:var(--muted); }
/* Chat */
.chat { max-width:760px; margin:0 auto; padding:18px 18px 12px; display:flex; flex-direction:column; height:100vh; }
.chead { display:flex; align-items:center; gap:8px; margin-bottom:10px; }
.chead .spark { color:var(--accent); } .chead span { color:var(--muted); font-size:13px; } .chead a { margin-left:auto; font-size:13px; }
.hint { background:var(--box); border:1px solid var(--line); border-radius:10px; padding:10px 12px; font-size:13px; color:var(--muted); margin-bottom:10px; }
.msgs { flex:1; overflow-y:auto; display:flex; flex-direction:column; gap:10px; padding:4px 2px; }
.m { max-width:88%; padding:10px 14px; border-radius:16px; line-height:1.5; font-size:14.5px; }
.m.me { align-self:flex-end; background:var(--accent); color:#fff; border-bottom-right-radius:4px; }
.m.ai { align-self:flex-start; background:var(--box); border:1px solid var(--line); border-bottom-left-radius:4px; }
.m.wait { color:var(--muted); animation:pulse 1.2s infinite; }
.m p { margin:0 0 8px; } .m p:last-child { margin:0; } .m ul,.m ol { margin:4px 0 8px 18px; padding:0; }
.m pre { background:var(--bg); border:1px solid var(--line); border-radius:8px; padding:8px 10px; overflow-x:auto; font-size:13px; }
.m code { background:var(--bg); padding:1px 5px; border-radius:4px; font-size:13px; } .m sup { color:var(--accent); font-size:11px; }
.cform { margin-top:10px; border:1px solid var(--line); border-radius:14px; padding:8px 10px; background:var(--bg); }
.cform textarea { width:100%; border:0; outline:0; resize:none; background:transparent; color:var(--fg); font:inherit; font-size:14.5px; }
.crow { display:flex; align-items:center; gap:10px; margin-top:4px; font-size:13px; color:var(--muted); }
.crow button { margin-left:auto; border:1px solid var(--line); background:var(--box); color:var(--fg); border-radius:8px; padding:6px 14px; cursor:pointer; }
.crow button#send { background:var(--accent); color:#fff; border-color:transparent; margin-left:0; } .crow button:disabled { opacity:.5; }