:root{ --ink:#fff; --bg:#000018; --card:#101024; --muted:#c7d2fe; --focus:#00ffd5; --pop:#ffd45e; --link:#9ae6ff; }
html,body{margin:0;color:var(--ink);background:var(--bg);font:16px/1.6 system-ui,"Comic Sans MS","Comic Neue",Arial,sans-serif}
a{color:var(--link)} a:focus,button:focus,input:focus,summary:focus,textarea:focus,select:focus{outline:3px solid var(--focus);outline-offset:3px}
.wrap{max-width:1100px;margin:0 auto;padding:0 1rem}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:1rem;top:1rem;width:auto;height:auto;background:#000;padding:.5rem .75rem;border-radius:.5rem;z-index:999}
body{background-image:url('data:image/svg+xml;utf8,\
  <svg xmlns="http://www.w3.org/2000/svg" width="80" height="80">\
    <rect width="100%" height="100%" fill="%23000018"/>\
    <circle cx="10" cy="10" r="1.5" fill="%23fff"/>\
    <circle cx="60" cy="20" r="1" fill="%23aee"/>\
    <circle cx="30" cy="50" r="1.2" fill="%23ffd45e"/>\
    <circle cx="75" cy="70" r="1" fill="%237ef2c4"/>\
    <circle cx="20" cy="75" r="1" fill="%23fff"/>\
  </svg>'); background-size:80px 80px; }
header{position:relative;border-bottom:3px ridge #ff00ff;background:
  linear-gradient(180deg,rgba(255,0,255,.15),rgba(0,0,0,0) 40%),
  radial-gradient(50% 60% at 50% 0%,rgba(126,242,196,.15),transparent 60%);
  padding:1.2rem 0 1rem;}
.topbar{display:flex;gap:1rem;align-items:center;justify-content:space-between;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:.6rem}
.logo .badge{background:linear-gradient(90deg,#ffd45e,#7ef2c4);color:#111;padding:.25rem .6rem;border-radius:999px;font-weight:800}
h1{margin:.2rem 0 0;font-size:clamp(2rem,5vw,3.2rem);text-shadow:0 0 8px #ff66ff}
nav{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}
.btn{display:inline-flex;align-items:center;gap:.4rem;background:linear-gradient(180deg,#1a2a4a,#0f1a33);
     border:2px outset #7ef2c4;color:var(--ink);text-decoration:none;padding:.5rem .7rem;border-radius:.5rem;min-height:44px}
.controls{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin-top:.5rem}
.toggle{display:inline-flex;align-items:center;gap:.45rem;background:#111b2f;border:2px inset #9ae6ff;padding:.35rem .6rem;border-radius:.5rem}
.hint{color:var(--muted);font-size:.95rem}
.cloud{position:absolute;right:.5rem;bottom:-1rem;font-size:4rem;filter:drop-shadow(0 6px 0 rgba(0,0,0,.25))}
main{padding:1rem 0 3rem}
.grid{display:grid;grid-template-columns:1fr;gap:1rem} @media(min-width:960px){.grid{grid-template-columns:repeat(2,1fr)}}
section{background:var(--card);border:3px groove #ffd45e;border-radius:10px;padding:1rem}
section h2{display:flex;gap:.5rem;align-items:center;margin:.2rem 0 1rem}
.lvl{font-weight:900;color:#111;background:#ffd45e;padding:.1rem .5rem;border-radius:.4rem}
.lvl.aa{background:#7ec9ff}
ul.sc{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
li.sc-item{background:#0d0f2a;border:2px outset #7ef2c4;border-radius:.6rem}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.6rem .8rem}
.code{font-family:ui-monospace,Menlo,Consolas,monospace;color:#7ef2c4;background:#04141a;padding:.1rem .35rem;border-radius:.3rem}
.explain{padding:.6rem .8rem;color:var(--muted)}
.foot{margin-top:.7rem;color:var(--muted);font-size:.92rem}
details summary{cursor:pointer;list-style:none} details summary::-webkit-details-marker{display:none}
.marq{margin:.5rem 0;border:3px ridge #ff9de6;background:#1b0030;padding:.3rem}
marquee{color:#ffd45e;font-weight:900;text-shadow:0 0 6px #ff00ea}
.sparkle{animation:blink 1s steps(1,end) infinite} @keyframes blink{50%{opacity:.2}}
.spinning{display:inline-block;animation:spin 4s linear infinite} @keyframes spin{to{transform:rotate(360deg)}}
.rainbow{background:linear-gradient(90deg,red,orange,yellow,green,cyan,blue,violet);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 6px #ff00ea)}
.stickers{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.8rem;margin:1rem 0}
figure{margin:0;background:#0e0020;border:3px double #9ae6ff;border-radius:8px;padding:.5rem}
figcaption{color:#ffecb3;font-size:.9rem;margin-top:.3rem}
.counter{display:inline-block;background:#111;border:2px inset #666;padding:.2rem .4rem;font-family:monospace}
.under{margin-top:1rem}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.calm *{animation:none!important;transition:none!important} .calm marquee{display:none}
/* Guestbook */
.guestbook{background:#0b0722;border:3px ridge #7ec9ff}
.gb-form{display:grid;gap:.6rem}
.gb-row{display:grid;gap:.4rem}
.gb-row.inline{grid-template-columns:1fr 1fr;gap:.6rem}
.gb-row label{font-weight:700}
.gb-row input[type="text"], .gb-row textarea, .gb-row select{
  background:#0e1430;color:var(--ink);border:2px inset #6ac1ff;border-radius:.5rem;padding:.5rem;min-height:44px
}
.gb-actions{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.gb-entries{display:grid;gap:.6rem;margin-top:1rem}
.gb-card{background:#0d0f2a;border:2px outset #7ef2c4;border-radius:.6rem;padding:.6rem}
.gb-meta{color:#b7c7ff;font-size:.9rem;margin-bottom:.35rem;display:flex;gap:.5rem;flex-wrap:wrap}
.stars{color:#ffd45e}
.muter{opacity:.8}
.gb-loading{background:#0d102d;border:2px dashed #7ec9ff;border-radius:.6rem;padding:.6rem;color:#7ec9ff;font-style:italic;text-align:center}
#gb-status{min-width:12rem}
#gb-status.is-error{color:#ff9de6}
#gb-status.is-success{color:#7ef2c4}
#gb-status.is-progress{color:#ffd45e}
#gb-status.is-info{color:var(--muted)}
.gb-actions button[disabled]{opacity:.6;cursor:progress}