:root{--bg:#fff;--fg:#202124;--mut:#5f6368;--card:#fff;--line:#dadce0;--blue:#4285f4;--link:#1a0dab;--soft:#f1f3f4;color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0)}
@media(prefers-color-scheme:dark){:root{--bg:#202124;--fg:#e8eaed;--mut:#9aa0a6;--card:#2d2e31;--line:#5f6368;--link:#8ab4f8;--soft:#3c4043;color-scheme:dark}}
*{box-sizing:border-box}html,body{margin:0;min-height:100%}
body{background:var(--bg);color:var(--fg);font-family:"Google Sans",Roboto,Arial,sans-serif}
.mascot{width:150px;height:150px;cursor:pointer;filter:drop-shadow(0 8px 10px rgba(0,0,0,.18));animation:float 3.2s ease-in-out infinite;flex:none}
.mascot.big{width:200px;height:200px}.mascot.sm{width:44px;height:44px;filter:none;animation:none}
@keyframes float{50%{transform:translateY(-10px)}}
.mascot.jump{animation:jump .6s}@keyframes jump{30%{transform:translateY(-40px) scale(1.05)}60%{transform:translateY(0) scale(1.1,.9)}}
.home{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}
.logo{font-size:clamp(54px,14vw,84px);font-weight:500;letter-spacing:-2px;margin:6px 0 20px}
.sbw{position:relative;width:100%;max-width:580px}
.sb{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:28px;padding:6px 8px 6px 18px;background:var(--card)}
.sb:focus-within{box-shadow:0 1px 8px rgba(0,0,0,.25)}
.sb input{flex:1;border:0;outline:0;background:none;color:var(--fg);font:inherit;font-size:16px;padding:8px 0;min-width:0}
.sb button{border:0;border-radius:20px;padding:8px 16px;background:var(--soft);color:var(--fg);font:inherit;cursor:pointer}
.sug{position:absolute;left:0;right:0;top:100%;margin:6px 0 0;padding:6px 0;list-style:none;background:var(--card);border:1px solid var(--line);border-radius:18px;z-index:9;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.sug li{padding:10px 18px;cursor:pointer;font-size:15px}.sug li:hover,.sug li.on{background:var(--soft)}
.tiles{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:28px;max-width:520px}
.tile{width:84px;text-align:center;font-size:12px;color:var(--fg);text-decoration:none}
.tile span{display:flex;width:48px;height:48px;border-radius:50%;background:var(--soft);margin:0 auto 6px;align-items:center;justify-content:center;font-size:20px;font-weight:500}
.helper{position:fixed;right:max(14px,env(safe-area-inset-right,0px));bottom:calc(14px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;align-items:flex-end;gap:8px;z-index:5}
.helper .mascot{width:84px;height:84px}
.bubble{position:relative;background:var(--soft);border-radius:18px;padding:12px 16px;max-width:240px;font-size:14px;line-height:1.4;box-shadow:0 2px 10px rgba(0,0,0,.2)}
.bubble:after{content:"";position:absolute;bottom:-9px;right:36px;border:9px solid transparent;border-bottom:0;border-top-color:var(--soft)}
header{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
header .sbw{flex:1;min-width:220px;max-width:640px}
nav{display:flex;gap:18px;padding:8px 16px 0;font-size:14px;border-bottom:1px solid var(--line);overflow-x:auto}
nav a{color:var(--mut);text-decoration:none;padding:8px 0;white-space:nowrap}nav a.on{color:var(--blue);border-bottom:3px solid var(--blue)}
#res{max-width:700px;padding:8px 16px 90px}
.r{margin:22px 0}.r .site{font-size:13px;color:var(--mut);word-break:break-all}
.r a.t{display:block;font-size:20px;color:var(--link);text-decoration:none;margin:3px 0;line-height:1.3}.r a.t:hover{text-decoration:underline}
.r p{margin:0;font-size:14px;line-height:1.55;color:var(--fg)}
.msg{background:var(--soft);border-radius:16px;padding:18px;margin:24px 0;line-height:1.5}
.btn{display:inline-block;margin-top:12px;border:0;border-radius:20px;padding:10px 22px;background:var(--blue);color:#fff;font:inherit;font-weight:500;text-decoration:none;cursor:pointer}
.status{display:flex;align-items:center;gap:12px;color:var(--mut);padding:20px 0}
#chat{position:fixed;right:max(12px,env(safe-area-inset-right,0px));bottom:calc(110px + env(safe-area-inset-bottom,0px));width:min(380px,calc(100vw - 24px));height:min(480px,65vh);background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 6px 24px rgba(0,0,0,.35);display:flex;flex-direction:column;z-index:20;overflow:hidden}
#chat[hidden],.ch-set[hidden]{display:none}
.ch-h{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}
.ch-h button{background:none;border:0;color:var(--fg);font-size:18px;cursor:pointer;padding:4px 8px}
.ch-set{padding:12px 14px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--mut)}
.ch-set input,.ch-in input{display:block;width:100%;margin-top:4px;padding:10px;border-radius:10px;border:1px solid var(--line);background:none;color:var(--fg);font:inherit}
.ch-msgs{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}
.ch-m{max-width:85%;padding:9px 13px;border-radius:16px;font-size:14px;line-height:1.45;white-space:pre-wrap;word-break:break-word}
.ch-m.bot{background:var(--soft);align-self:flex-start}.ch-m.me{background:var(--blue);color:#fff;align-self:flex-end}
.ch-in{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}.ch-in input{margin:0}.ch-in .btn{margin:0;padding:8px 16px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 4px}.chip{border:1px solid;border-radius:14px;padding:3px 10px;font-size:12px}
.errs{font-size:12px;color:var(--mut);margin-bottom:4px}
.src{font-style:normal;font-size:10px;color:#fff;border-radius:8px;padding:1px 6px;margin-left:4px;vertical-align:middle}