:root{--bg:#050a16;--bg2:#0a1428;--panel:rgba(14,26,52,.55);--line:rgba(120,160,230,.14);--blue:#2f7bff;--blue2:#5ea0ff;--txt:#eef3ff;--mut:#8a9bbd;--glow:rgba(47,123,255,.35);--r:20px;--ease:cubic-bezier(.22,.8,.26,1)}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{background:radial-gradient(900px 500px at 60% -10%,rgba(47,123,255,.16),transparent 70%),var(--bg);color:var(--txt);font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--blue2);outline-offset:2px;border-radius:8px}
.app{display:flex;height:100dvh}
.logo{display:inline-flex;align-items:center;font-weight:600;letter-spacing:.02em}
.logo img{height:28px;width:auto;display:block}.logo.sm img{height:22px}.logo.xl img{height:64px;filter:drop-shadow(0 0 28px var(--glow))}
.logo .wm{font-size:20px}.logo.xl .wm{font-size:44px;text-shadow:0 0 30px var(--glow)}
.side{width:268px;flex:none;display:flex;flex-direction:column;gap:12px;padding:18px 14px;background:rgba(6,12,26,.8);border-right:1px solid var(--line);transition:transform .28s var(--ease)}
.brand{padding:4px 8px 8px}
.new{padding:11px 14px;border-radius:14px;background:linear-gradient(180deg,rgba(47,123,255,.28),rgba(47,123,255,.12));border:1px solid rgba(94,160,255,.35);text-align:left;transition:.2s var(--ease)}
.new:hover{box-shadow:0 0 24px var(--glow)}
.nav{display:flex;flex-direction:column}.nav a{padding:8px 12px;border-radius:10px;color:var(--mut);text-decoration:none;font-size:14px;cursor:pointer}
.nav a.on,.nav a:hover{color:var(--txt);background:rgba(120,160,230,.08)}.nav a[data-soon]:not(.on){opacity:.55}
.lbl{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);padding:6px 12px 0}
.hist{flex:1;overflow:auto;display:flex;flex-direction:column;gap:2px}
.hi{display:flex;align-items:center;border-radius:10px}.hi:hover,.hi.on{background:rgba(120,160,230,.09)}
.hi button.t{flex:1;text-align:left;padding:8px 12px;font-size:14px;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hi.on .t{color:var(--txt)}.hi .x{opacity:0;padding:4px 10px;color:var(--mut)}.hi:hover .x,.hi .x:focus-visible{opacity:1}
.prof{display:flex;align-items:center;gap:10px;padding:10px;border-top:1px solid var(--line);color:var(--mut);font-size:14px}
.av{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(47,123,255,.2);color:var(--blue2);font-size:13px}
.main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}
.top{display:none;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line);padding-top:max(10px,env(safe-area-inset-top))}
.top .model{margin-left:auto;font-size:12px;color:var(--mut)}
.icon{width:36px;height:36px;border-radius:10px;color:var(--mut)}.icon:hover{background:rgba(120,160,230,.1);color:var(--txt)}
.scroll{flex:1;overflow-y:auto;scroll-behavior:smooth;padding:0 20px}
.home{max-width:720px;margin:0 auto;min-height:100%;padding-bottom:230px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;animation:rise .6s var(--ease)}
.home h1{font-size:clamp(28px,4.5vw,42px);font-weight:600;letter-spacing:-.02em;margin-top:14px}
.home p{color:var(--mut)}
.sugg{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:90px}
.sugg button{padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--mut);font-size:14px;transition:.2s var(--ease)}
.sugg button:hover{color:var(--txt);border-color:rgba(94,160,255,.4);transform:translateY(-2px)}
.thread{max-width:760px;margin:0 auto;padding:32px 0 220px}
body.chatting .home{display:none}body:not(.chatting) .thread{display:none}
.msg{margin-bottom:36px;animation:rise .35s var(--ease)}
.msg.user{display:flex;justify-content:flex-end}
.msg.user .bub{max-width:85%;padding:10px 16px;border-radius:18px 18px 4px 18px;background:rgba(47,123,255,.16);border:1px solid rgba(94,160,255,.22);white-space:pre-wrap;word-break:break-word}
.ahead{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mut);margin-bottom:10px;min-height:24px}
.ahead b{color:var(--txt);font-weight:500}
.act{display:inline-flex;align-items:center;gap:8px;transition:opacity .3s}
.worked{display:inline-flex;gap:6px;color:var(--mut);font-size:12px;padding:2px 10px;border:1px solid var(--line);border-radius:999px}
.orb{display:block;color:var(--blue2);filter:drop-shadow(0 0 6px var(--glow))}
.md{font-size:16.5px;line-height:1.75;word-break:break-word}
.md>*+*{margin-top:14px}
.md h1,.md h2,.md h3{line-height:1.3;letter-spacing:-.01em;font-weight:600;margin-top:26px}
.md h1{font-size:26px}.md h2{font-size:21px}.md h3{font-size:17.5px}
.md ul,.md ol{padding-left:24px}.md li+li{margin-top:5px}
.md a{color:var(--blue2);text-underline-offset:3px}
.md blockquote{border-left:2px solid var(--blue);padding-left:14px;color:var(--mut)}
.md code{font:13.5px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:rgba(120,160,230,.12);padding:2px 6px;border-radius:6px}
.md hr{border:0;border-top:1px solid var(--line)}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.md table{border-collapse:collapse;width:100%;font-size:14.5px}.md th,.md td{padding:9px 14px;text-align:left;border-bottom:1px solid var(--line)}.md th{color:var(--mut);font-weight:500;background:rgba(120,160,230,.06)}.md tr:last-child td{border:0}
.code{border:1px solid var(--line);border-radius:14px;background:rgba(3,8,20,.8);overflow:hidden;animation:rise .3s var(--ease)}
.code .ch{display:flex;justify-content:space-between;align-items:center;padding:6px 8px 6px 14px;font-size:12px;color:var(--mut);border-bottom:1px solid var(--line)}
.code button{padding:3px 10px;border-radius:8px;font-size:12px;color:var(--mut)}.code button:hover{color:var(--txt);background:rgba(120,160,230,.12)}
.code pre{padding:14px;overflow-x:auto}.code code{background:none;padding:0;font-size:13.5px;line-height:1.6;white-space:pre}
.cur::after{content:"";display:inline-block;width:7px;height:16px;margin-left:3px;vertical-align:-2px;background:var(--blue2);border-radius:2px;animation:blink 1s steps(2) infinite}
.acts{display:flex;gap:6px;margin-top:12px}.acts button{font-size:12.5px;color:var(--mut);padding:4px 10px;border-radius:8px}.acts button:hover{background:rgba(120,160,230,.1);color:var(--txt)}
.err{border:1px solid rgba(255,120,120,.28);background:rgba(255,90,90,.06);border-radius:14px;padding:14px 16px;display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.err button{padding:7px 16px;border-radius:999px;background:rgba(47,123,255,.25);border:1px solid rgba(94,160,255,.4)}
.dock{position:absolute;left:0;right:0;bottom:0;padding:40px 20px max(14px,env(safe-area-inset-bottom));background:linear-gradient(transparent,var(--bg) 55%);pointer-events:none}
.dock>*{pointer-events:auto}
body:not(.chatting) .dock{bottom:50%;transform:translateY(calc(50% + 10px));background:none;padding-top:0;margin-top:40px}
.composer,.hint{max-width:760px;margin:0 auto}
.composer{border-radius:var(--r);padding:12px 12px 10px;background:var(--panel);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.45),0 0 60px rgba(47,123,255,.08);transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.composer:focus-within,.composer.active{border-color:rgba(94,160,255,.45);box-shadow:0 20px 60px rgba(0,0,0,.45),0 0 70px var(--glow)}
textarea{width:100%;background:none;border:0;color:var(--txt);font:inherit;font-size:16px;resize:none;outline:0;padding:6px 8px;max-height:200px}
textarea::placeholder{color:var(--mut)}
.bar{display:flex;align-items:center;gap:4px;margin-top:4px}
.tool{padding:6px 12px;border-radius:10px;font-size:13px;color:var(--mut)}.tool:hover{background:rgba(120,160,230,.1);color:var(--txt)}.tool[data-soon]{opacity:.5}
.send{margin-left:auto;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;font-size:18px;transition:.2s var(--ease);box-shadow:0 0 18px var(--glow)}
.send:disabled{background:rgba(120,160,230,.14);box-shadow:none;color:var(--mut);cursor:default}.send:not(:disabled):hover{transform:scale(1.06)}
.send.stop{font-size:13px}
.chips{display:flex;flex-wrap:wrap;gap:6px}.chips:not(:empty){margin-bottom:8px}
.chip{display:inline-flex;gap:6px;align-items:center;padding:3px 6px 3px 10px;border-radius:999px;border:1px solid var(--line);font-size:12.5px;background:rgba(120,160,230,.08)}
.chip button{color:var(--mut);padding:0 4px}
.hint{text-align:center;font-size:12px;color:var(--mut);margin-top:8px}
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;background:rgba(2,5,12,.7);backdrop-filter:blur(6px);animation:fade .2s}
.modal[hidden]{display:none}
.card{width:min(520px,calc(100% - 28px));max-height:86dvh;overflow:auto;background:var(--bg2);border:1px solid var(--line);border-radius:22px;padding:20px 22px;box-shadow:0 30px 80px rgba(0,0,0,.6);animation:rise .25s var(--ease)}
.mh{display:flex;justify-content:space-between;align-items:center}
.card h3{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);margin:18px 0 6px;font-weight:500}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 0;font-size:14.5px}
select{background:var(--bg);color:var(--txt);border:1px solid var(--line);border-radius:10px;padding:6px 10px}
kbd{background:rgba(120,160,230,.12);border-radius:6px;padding:1px 7px;font-size:12px;margin:0 4px 0 10px}.keys{font-size:14px;color:var(--mut);line-height:2.1}
.scrim{display:none}
body.reduce *{animation:none!important;transition:none!important}body.reduce{--glow:transparent}
@keyframes rise{from{opacity:0;transform:translateY(10px);filter:blur(4px)}to{opacity:1;transform:none;filter:none}}
@keyframes fade{from{opacity:0}}@keyframes blink{50%{opacity:0}}
@media(max-width:860px){
 .side{position:fixed;z-index:30;inset:0 auto 0 0;transform:translateX(-102%);width:min(300px,84vw)}
 body.menu .side{transform:none;box-shadow:20px 0 60px rgba(0,0,0,.6)}
 .scrim{position:fixed;inset:0;z-index:20;background:rgba(2,5,12,.6);display:block;opacity:0;pointer-events:none;transition:opacity .25s}
 body.menu .scrim{opacity:1;pointer-events:auto}
 .top{display:flex}.scroll{padding:0 16px}.dock{padding:30px 12px max(10px,env(safe-area-inset-bottom))}
 .thread{padding-top:20px}.sugg{margin-top:70px}.md{font-size:16px}.tool{padding:6px 8px}
 .hint{display:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}