/* DONYLOGIC™ AI — premium theme */
:root{
  --bg:#05050a; --glass:rgba(16,16,28,.62); --panel:#0e0e18; --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --tx:#f4f4fb; --mu:#8d8da6; --me:rgba(255,255,255,.07); --code:#080811;
  --ac:#8b6cff; --ac2:#4fd8ff; --pk:#ff4fd8; --err:#ff6b81;
  --g:linear-gradient(135deg,var(--ac2),var(--ac) 55%,var(--pk));
  --glow:0 0 0 1px rgba(139,108,255,.45),0 10px 40px -8px rgba(139,108,255,.45);
  --r:18px; --ease:cubic-bezier(.2,.8,.2,1);
  color-scheme:dark; box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  --bg:#f5f5fb; --glass:rgba(255,255,255,.72); --panel:#fff; --line:rgba(20,20,50,.09); --line2:rgba(20,20,50,.16);
  --tx:#0b0b16; --mu:#62627c; --me:rgba(40,40,90,.06); --code:#f1f1f9; color-scheme:light}}
:root[data-theme="light"]{
  --bg:#f5f5fb; --glass:rgba(255,255,255,.72); --panel:#fff; --line:rgba(20,20,50,.09); --line2:rgba(20,20,50,.16);
  --tx:#0b0b16; --mu:#62627c; --me:rgba(40,40,90,.06); --code:#f1f1f9; color-scheme:light}
:root[data-theme="dark"]{
  --bg:#05050a; --glass:rgba(16,16,28,.62); --panel:#0e0e18; --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --tx:#f4f4fb; --mu:#8d8da6; --me:rgba(255,255,255,.07); --code:#080811; color-scheme:dark}

*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  background:var(--bg); color:var(--tx); display:flex; flex-direction:column; overflow:hidden;
  font:16px/1.65 "Inter","SF Pro Text",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  letter-spacing:-.005em; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
button{font:inherit;color:inherit}
::selection{background:rgba(139,108,255,.4)}
:focus-visible{outline:2px solid var(--ac2);outline-offset:2px;border-radius:10px}
*{scrollbar-width:thin;scrollbar-color:var(--line2) transparent}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--line2);border-radius:8px}

/* ambient background */
.aurora{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.aurora i{position:absolute;width:52vmax;height:52vmax;border-radius:50%;filter:blur(110px);opacity:.28;will-change:transform}
.aurora i:nth-child(1){background:var(--ac);top:-22vmax;left:-12vmax;animation:drift 26s ease-in-out infinite alternate}
.aurora i:nth-child(2){background:var(--ac2);bottom:-26vmax;right:-14vmax;opacity:.2;animation:drift 32s ease-in-out infinite alternate-reverse}
.aurora i:nth-child(3){background:var(--pk);top:30%;left:48%;width:30vmax;height:30vmax;opacity:.13;animation:drift 38s ease-in-out infinite alternate}
:root[data-theme="light"] .aurora i{opacity:.16}
@keyframes drift{to{transform:translate3d(8vmax,5vmax,0) scale(1.15)}}
.grain{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
header,main,footer,#side{position:relative;z-index:1}

/* header */
header{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex:none;height:64px;
  padding:0 clamp(14px,4vw,28px);border-bottom:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(22px) saturate(1.5);-webkit-backdrop-filter:blur(22px) saturate(1.5);z-index:6;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
#logo{display:block;line-height:0}
#logo img{height:26px;width:auto;display:block}
:root[data-theme="light"] #logo img{filter:invert(1) hue-rotate(180deg)}
.ai{font-weight:800;font-size:20px;letter-spacing:.04em;background:linear-gradient(90deg,var(--ac2),var(--ac),#ff4fd8);-webkit-background-clip:text;background-clip:text;color:transparent}
#ttl{
  color:var(--mu);font-size:14px;margin-left:6px;padding-left:14px;border-left:1px solid var(--line);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:34vw;
}
.act{display:flex;gap:8px}
.btn{
  border:1px solid var(--line);background:var(--me);border-radius:12px;min-width:40px;height:40px;padding:0 13px;
  font-size:15px;cursor:pointer;transition:border-color .2s,background .2s,transform .2s var(--ease),box-shadow .2s;
}
.btn:hover{border-color:var(--ac);background:var(--glass);box-shadow:0 6px 22px -8px rgba(139,108,255,.6)}
.btn:active{transform:scale(.94)}
#menu{display:none}

/* sidebar */
#side{
  position:fixed;left:0;top:calc(64px + env(safe-area-inset-top,0px));bottom:env(safe-area-inset-bottom,0px);width:60px;
  display:flex;flex-direction:column;padding:12px 9px;overflow:hidden;white-space:nowrap;z-index:5;
  background:var(--glass);backdrop-filter:blur(26px) saturate(1.5);-webkit-backdrop-filter:blur(26px) saturate(1.5);
  border-right:1px solid var(--line);transition:width .28s var(--ease),box-shadow .28s;
}
#side:hover,#side.open,#side:focus-within{width:312px;box-shadow:24px 0 60px -20px rgba(0,0,0,.5)}
.sb{
  display:flex;align-items:center;gap:13px;width:100%;border:0;background:transparent;font-size:14px;
  padding:10px 11px;border-radius:12px;cursor:pointer;text-align:left;transition:background .15s;
}
.sb:hover{background:var(--me)}
.sb i{font-style:normal;width:22px;text-align:center;flex:none;font-size:17px}
.sb span{overflow:hidden;text-overflow:ellipsis}
#new{background:var(--g);color:#fff;font-weight:650;box-shadow:0 10px 26px -10px rgba(139,108,255,.9)}
#new:hover{background:var(--g);filter:brightness(1.12)}
.find{margin:10px 0 2px;display:none}
#side:hover .find,#side.open .find,#side:focus-within .find{display:block}
#q{
  width:100%;border:1px solid var(--line);background:var(--me);color:var(--tx);border-radius:12px;
  padding:9px 13px;font:inherit;font-size:13.5px;outline:0;transition:border-color .2s,box-shadow .2s;
}
#q:focus{border-color:var(--ac);box-shadow:0 0 0 4px rgba(139,108,255,.16)}
.list{flex:1;overflow-y:auto;margin-top:6px;opacity:0;pointer-events:none;transition:opacity .2s}
#side:hover .list,#side.open .list,#side:focus-within .list{opacity:1;pointer-events:auto}
.grp{color:var(--mu);font-size:12px;font-weight:600;padding:14px 11px 5px}
.it{display:flex;align-items:center;border-radius:12px;position:relative}
.it:hover{background:var(--me)}
.it.on{background:var(--me);box-shadow:inset 3px 0 0 var(--ac)}
.it .sb{flex:1;min-width:0}
.it .sb:hover{background:transparent}
.x{border:0;background:transparent;color:var(--mu);cursor:pointer;font-size:15px;padding:6px 8px;border-radius:8px;display:none}
.it:hover .x,.it:focus-within .x{display:block}
.x:hover{color:var(--tx);background:var(--bg)}
.x.del:hover{color:var(--err)}
.empty{color:var(--mu);font-size:13px;padding:10px 11px}
.foot{display:none;border-top:1px solid var(--line);padding-top:8px;margin-top:6px}
#side:hover .foot,#side.open .foot,#side:focus-within .foot{display:block}

/* conversation */
main,footer{margin-left:60px}
main{flex:1;overflow-y:auto;padding:26px clamp(14px,4vw,28px) 12px;scroll-behavior:smooth}
.wrap{max-width:800px;margin:0 auto}
.hero{text-align:center;padding:9vh 0 18px}
.orb{
  width:78px;height:78px;border-radius:50%;margin:0 auto 26px;position:relative;
  background:radial-gradient(circle at 30% 28%,#fff 0,rgba(255,255,255,.0) 34%),var(--g);
  box-shadow:0 0 90px rgba(139,108,255,.55),inset 0 -8px 20px rgba(0,0,0,.25);animation:float 6s ease-in-out infinite;
}
.orb::after{content:"";position:absolute;inset:-14px;border-radius:50%;border:1px solid var(--line2);animation:ring 3.2s ease-out infinite}
@keyframes float{50%{transform:translateY(-8px)}}
@keyframes ring{from{transform:scale(.85);opacity:.9}to{transform:scale(1.35);opacity:0}}
.hero h1{
  font-size:clamp(30px,6vw,50px);margin:0 0 10px;letter-spacing:-.035em;line-height:1.08;font-weight:750;
  background:linear-gradient(180deg,var(--tx) 40%,var(--mu));-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{color:var(--mu);margin:0 0 34px;font-size:17px}
.chips{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;text-align:left}
.chip{
  display:flex;gap:12px;align-items:flex-start;padding:15px 17px;border-radius:var(--r);cursor:pointer;font-size:14.5px;
  border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .3s var(--ease),border-color .2s,box-shadow .3s;
}
.chip i{font-style:normal;font-size:20px;line-height:1.2}
.chip:hover{transform:translateY(-3px);border-color:var(--ac);box-shadow:0 18px 40px -18px rgba(139,108,255,.75)}
.msg{display:flex;gap:14px;margin:0 0 26px;animation:in .35s var(--ease)}
@keyframes in{from{opacity:0;transform:translateY(8px)}}
.msg.u{justify-content:flex-end}
.av{
  width:32px;height:32px;border-radius:50%;flex:none;margin-top:2px;background:var(--g);
  box-shadow:0 0 0 3px var(--bg),0 6px 20px -4px rgba(139,108,255,.8);
}
.col{min-width:0;max-width:100%}
.u .col{max-width:84%}
.b{overflow-wrap:anywhere}
.u .b{
  background:linear-gradient(135deg,rgba(79,216,255,.14),rgba(139,108,255,.2));border:1px solid var(--line2);
  padding:11px 17px;border-radius:20px 20px 5px 20px;white-space:pre-wrap;
}
.a .b>:first-child{margin-top:0}.a .b>:last-child{margin-bottom:0}
.b p{margin:0 0 .85em}
.b h1,.b h2,.b h3{margin:1.2em 0 .45em;line-height:1.25;letter-spacing:-.02em}
.b h1{font-size:1.45em}.b h2{font-size:1.22em}.b h3{font-size:1.06em}
.b ul,.b ol{margin:0 0 .85em;padding-left:1.5em}
.b li{margin:.25em 0}.b li::marker{color:var(--ac)}
.b blockquote{margin:0 0 .85em;padding:3px 16px;border-left:3px solid var(--ac);color:var(--mu);background:var(--me);border-radius:0 12px 12px 0}
.b a{color:var(--ac2);text-decoration:underline;text-decoration-color:rgba(79,216,255,.4);text-underline-offset:3px}
.b a:hover{text-decoration-color:var(--ac2)}
.b code{font:.87em ui-monospace,"JetBrains Mono",SFMono-Regular,Menlo,Consolas,monospace;background:var(--me);border:1px solid var(--line);padding:2px 7px;border-radius:7px}
.code{margin:0 0 1em;border:1px solid var(--line2);border-radius:14px;background:var(--code);overflow:hidden;box-shadow:0 14px 34px -22px rgba(0,0,0,.8)}
.ch{
  display:flex;justify-content:space-between;align-items:center;padding:7px 8px 7px 14px;font-size:12px;color:var(--mu);
  border-bottom:1px solid var(--line);background:var(--me);
}
.ch span{display:flex;align-items:center;gap:9px}
.ch span::before{content:"";width:9px;height:9px;border-radius:50%;background:#ff5f57;box-shadow:15px 0 #febc2e,30px 0 #28c840;margin-right:30px}
.cp{border:0;background:transparent;color:var(--mu);cursor:pointer;font-size:12px;padding:5px 10px;border-radius:8px;transition:.15s}
.cp:hover{background:var(--glass);color:var(--tx)}
.code pre{margin:0;padding:14px 16px;overflow-x:auto}
.code pre code{background:none;border:0;padding:0;font-size:13.5px;line-height:1.6;white-space:pre}
.tools{display:flex;gap:4px;margin-top:8px;opacity:0;transition:opacity .2s}
.msg:hover .tools,.msg:focus-within .tools{opacity:1}
.tl{border:0;background:transparent;color:var(--mu);font-size:12.5px;cursor:pointer;padding:5px 10px;border-radius:9px;transition:.15s}
.tl:hover{background:var(--me);color:var(--tx)}
.dots{display:inline-flex;gap:6px;padding:10px 0}
.dots i{width:8px;height:8px;border-radius:50%;background:var(--g);animation:bl 1.1s infinite ease-in-out}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes bl{0%,80%,100%{opacity:.25;transform:scale(.75)}40%{opacity:1;transform:scale(1)}}
.b.err{color:var(--err);background:rgba(255,107,129,.08);border:1px solid rgba(255,107,129,.3);padding:10px 15px;border-radius:14px}
.cur::after{content:"";display:inline-block;width:8px;height:1.05em;margin-left:3px;vertical-align:-3px;border-radius:2px;background:var(--g);animation:bl 1s infinite}
#jump{
  position:fixed;left:calc(50% + 30px);bottom:calc(128px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);
  display:none;z-index:3;border-radius:999px;background:var(--glass);backdrop-filter:blur(16px);box-shadow:0 12px 34px -10px rgba(0,0,0,.6);
}
#jump.on{display:block;animation:in .25s var(--ease)}

/* composer */
footer{flex:none;padding:8px clamp(14px,4vw,28px) 14px}
.box{
  max-width:800px;margin:0 auto;display:flex;align-items:flex-end;gap:10px;padding:9px 9px 9px 20px;border-radius:24px;
  background:var(--glass);backdrop-filter:blur(24px) saturate(1.5);-webkit-backdrop-filter:blur(24px) saturate(1.5);
  border:1px solid var(--line2);box-shadow:0 22px 60px -26px rgba(0,0,0,.75);transition:border-color .25s,box-shadow .25s;
}
.box:focus-within{border-color:transparent;box-shadow:var(--glow)}
textarea{flex:1;resize:none;border:0;outline:0;background:transparent;color:var(--tx);font:inherit;max-height:190px;padding:9px 0}
textarea::placeholder{color:var(--mu)}
#send{
  width:44px;height:44px;border:0;border-radius:15px;flex:none;background:var(--g);color:#fff;font-size:17px;cursor:pointer;
  box-shadow:0 10px 24px -8px rgba(139,108,255,.9);transition:transform .2s var(--ease),opacity .2s,box-shadow .2s;
}
#send:hover:not(:disabled){transform:scale(1.08) rotate(-6deg)}
#send:active:not(:disabled){transform:scale(.92)}
#send:disabled{opacity:.3;box-shadow:none;cursor:default}
#send.stop{background:var(--me);color:var(--tx);border:1px solid var(--line2);box-shadow:none;animation:pulse 1.6s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(139,108,255,.18)}}
.note{max-width:800px;margin:9px auto 0;text-align:center;font-size:12px;color:var(--mu)}

#toast{
  position:fixed;left:50%;top:80px;transform:translate(-50%,-14px);z-index:9;padding:10px 18px;border-radius:999px;font-size:13.5px;
  background:var(--glass);backdrop-filter:blur(18px);border:1px solid var(--line2);box-shadow:0 14px 40px -12px rgba(0,0,0,.6);
  opacity:0;pointer-events:none;transition:.25s var(--ease);
}
#toast.on{opacity:1;transform:translate(-50%,0)}
#bd{display:none}

@media (max-width:760px){
  main,footer{margin-left:0}
  #side{transform:translateX(-100%);width:312px;transition:transform .28s var(--ease)}
  #side:hover{width:312px}#side.open{transform:none}
  #menu{display:inline-flex;align-items:center}
  #ttl{display:none}
  #bd.on{display:block;position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(3px);z-index:4}
  .tools{opacity:1}.hero{padding-top:5vh}.note{font-size:11px}
  #jump{left:50%}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ===== FX layer ===== */
@property --a{syntax:"<angle>";inherits:false;initial-value:0deg}
@keyframes spin{to{--a:360deg}}
@keyframes rise{from{opacity:0;transform:translateY(22px) scale(.97)}to{opacity:1;transform:none}}
@keyframes shine{to{background-position:-200% 0}}
@keyframes slide{to{background-position:200% 0}}
@keyframes twinkle{0%,100%{opacity:.25}50%{opacity:.9}}
@keyframes breathe{50%{transform:scale(1.06);opacity:.85}}
@keyframes wob{25%{transform:rotate(-12deg) scale(1.15)}75%{transform:rotate(10deg) scale(1.15)}}
@keyframes ripple{to{transform:scale(2.6);opacity:0}}
@keyframes sheen{from{transform:translateX(-120%) skewX(-20deg)}to{transform:translateX(320%) skewX(-20deg)}}

/* ---- ambient: dot grid + stars ---- */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.085) 1px,transparent 1.2px);background-size:30px 30px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0,#000 8%,transparent 72%);
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0,#000 8%,transparent 72%);
}
:root[data-theme="light"] body::before{background-image:radial-gradient(rgba(60,50,140,.16) 1px,transparent 1.2px)}
.aurora{transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.aurora i:nth-child(1){animation-duration:22s}
.aurora::after{
  content:"";position:absolute;inset:0;opacity:.7;
  background:
    radial-gradient(1.5px 1.5px at 12% 22%,#fff,transparent),radial-gradient(1.5px 1.5px at 78% 14%,#bfe9ff,transparent),
    radial-gradient(1px 1px at 34% 68%,#fff,transparent),radial-gradient(1.5px 1.5px at 90% 72%,#e2d6ff,transparent),
    radial-gradient(1px 1px at 58% 38%,#fff,transparent),radial-gradient(1.5px 1.5px at 22% 88%,#bfe9ff,transparent);
  animation:twinkle 5s ease-in-out infinite;
}
:root[data-theme="light"] .aurora::after{display:none}

/* ---- header: living hairline ---- */
header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;pointer-events:none;opacity:.75;
  background:linear-gradient(90deg,transparent,var(--ac2),var(--ac),var(--pk),transparent);background-size:200% 100%;animation:slide 7s linear infinite;
}

/* ---- hero ---- */
.orb{animation:float 6s ease-in-out infinite,breathe 4s ease-in-out infinite}
.orb::before{
  content:"";position:absolute;inset:-26px;border-radius:50%;pointer-events:none;
  background:conic-gradient(from var(--a),transparent 0 72%,var(--ac2) 86%,var(--pk) 96%,transparent);
  -webkit-mask:radial-gradient(circle,transparent 66%,#000 67%,#000 69%,transparent 70%);mask:radial-gradient(circle,transparent 66%,#000 67%,#000 69%,transparent 70%);
  animation:spin 5s linear infinite;
}
.hero h1{
  background:linear-gradient(100deg,var(--tx) 30%,var(--ac2) 42%,var(--ac) 50%,var(--pk) 58%,var(--tx) 70%);
  background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 7s linear infinite;
}
.hero>*{animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
.hero>.orb{animation:rise .8s cubic-bezier(.2,.8,.2,1) both,float 6s 1s ease-in-out infinite,breathe 4s ease-in-out infinite}
.hero h1{animation:rise .8s .08s cubic-bezier(.2,.8,.2,1) both,shine 7s 1s linear infinite}
.hero p{animation-delay:.16s}
.chip{position:relative;overflow:hidden;animation:rise .7s cubic-bezier(.2,.8,.2,1) both}
.chip:nth-child(1){animation-delay:.28s}.chip:nth-child(2){animation-delay:.36s}
.chip:nth-child(3){animation-delay:.44s}.chip:nth-child(4){animation-delay:.52s}
.chip::before,.it::before,.code::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),rgba(139,108,255,.24),rgba(79,216,255,.08) 45%,transparent 70%);
}
.chip:hover::before,.it:hover::before,.code:hover::before{opacity:1}
.chip i{display:inline-block;transition:transform .3s}
.chip:hover i{animation:wob .6s ease}
.chip span{position:relative}

/* ---- composer: rotating gradient border + live send button ---- */
.box{position:relative}
.box::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1.6px;pointer-events:none;opacity:0;transition:opacity .35s;
  background:conic-gradient(from var(--a),transparent 0 55%,var(--ac2),var(--ac),var(--pk),transparent 95%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);animation:spin 3.6s linear infinite;
}
.box:focus-within::before{opacity:1}
.box::after{
  content:"";position:absolute;left:12%;right:12%;bottom:-14px;height:22px;border-radius:50%;pointer-events:none;
  background:var(--g);filter:blur(22px);opacity:0;transition:opacity .4s;
}
.box:focus-within::after{opacity:.38}
.box:has(textarea:not(:placeholder-shown)) #send:not(:disabled){animation:breathe 2.2s ease-in-out infinite}
#send{position:relative;overflow:hidden}
#send .rip{position:absolute;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;background:rgba(255,255,255,.55);pointer-events:none;animation:ripple .6s ease-out forwards}

/* ---- messages ---- */
.av{position:relative}
.av::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;opacity:0;transition:opacity .3s;pointer-events:none;
  background:conic-gradient(from var(--a),transparent 62%,var(--ac2),var(--pk));
  -webkit-mask:radial-gradient(circle,transparent 63%,#000 65%);mask:radial-gradient(circle,transparent 63%,#000 65%);
}
.msg:has(.dots) .av::after,.msg:has(.cur) .av::after{opacity:1;animation:spin 1s linear infinite}
.msg:has(.dots) .av,.msg:has(.cur) .av{animation:breathe 1.4s ease-in-out infinite}
.u .b{position:relative;overflow:hidden;transition:box-shadow .3s,transform .3s}
.u .b:hover{box-shadow:0 12px 34px -16px rgba(139,108,255,.8);transform:translateY(-1px)}
.u .b::after{content:"";position:absolute;top:0;bottom:0;left:0;width:30%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);transform:translateX(-120%) skewX(-20deg)}
.u .b:hover::after{animation:sheen .9s ease}
.code{position:relative}
.code::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--g);opacity:.8}
.code pre{position:relative}
.cur::after{box-shadow:0 0 14px var(--ac2)}
.tl,.cp{position:relative;transition:background .2s,color .2s,transform .2s}
.tl:active,.cp:active{transform:scale(.92)}

/* ---- sidebar ---- */
.it{position:relative;overflow:hidden;transition:transform .25s cubic-bezier(.2,.8,.2,1)}
.it:hover{transform:translateX(3px)}
.it.on{background:linear-gradient(90deg,rgba(139,108,255,.2),transparent)}
.it.on::after{content:"";position:absolute;left:0;top:18%;bottom:18%;width:3px;border-radius:3px;background:var(--g);box-shadow:0 0 12px var(--ac)}
.grp{background:linear-gradient(90deg,var(--mu),transparent);-webkit-background-clip:text;background-clip:text;color:transparent}
#new{position:relative;overflow:hidden}
#new::after{content:"";position:absolute;top:0;bottom:0;left:0;width:30%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:sheen 5s 1s ease-in-out infinite}
#new i{transition:transform .35s cubic-bezier(.2,.8,.2,1)}
#new:hover i{transform:rotate(90deg) scale(1.2)}
.list .it{animation:rise .45s cubic-bezier(.2,.8,.2,1) both}
.list .it:nth-child(2){animation-delay:.04s}.list .it:nth-child(3){animation-delay:.08s}.list .it:nth-child(4){animation-delay:.12s}.list .it:nth-child(5){animation-delay:.16s}

/* ---- details ---- */
#toast{border:1px solid transparent;background:linear-gradient(var(--panel),var(--panel)) padding-box,var(--g) border-box}
#jump{border:1px solid transparent;background:linear-gradient(var(--panel),var(--panel)) padding-box,var(--g) border-box}
.btn:hover{box-shadow:0 8px 26px -8px rgba(139,108,255,.8),inset 0 0 0 1px rgba(139,108,255,.4)}
#theme{transition:transform .5s cubic-bezier(.2,.8,.2,1),border-color .2s}
#theme:hover{transform:rotate(180deg)}
.b.err{animation:rise .4s both}
::-webkit-scrollbar-thumb:hover{background:var(--ac)}

@media (max-width:760px){.aurora::after{display:none}.orb::before{inset:-20px}.chip:nth-child(n){animation-delay:.2s}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.hero>*,.chip{opacity:1!important}}