:root{--bg:#101a2b;--panel:#172640;--line:#2a3c5c;--tx:#e8eef7;--mut:#9fb0c8;--ac:#ffb454;--ok:#5ad1e6;--bad:#ff7a7a}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.6 ui-sans-serif,system-ui,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:16px}
h1,h2,h3{font-family:ui-monospace,"Cascadia Code",Consolas,monospace;line-height:1.25;margin:.2em 0 .5em}
header{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:10px 0 16px;border-bottom:1px solid var(--line);margin-bottom:16px}
.brand{font:700 18px ui-monospace,Consolas,monospace;color:var(--ac)}
.xp{color:var(--mut);font-size:14px}.xp b{color:var(--ok)}
nav{display:flex;gap:8px;flex-wrap:wrap}
button,input{font:inherit;color:inherit}
button{background:var(--ac);color:#1a1200;border:0;border-radius:6px;padding:9px 14px;font-weight:600;cursor:pointer}
button.ghost{background:transparent;color:var(--tx);border:1px solid var(--line)}
button.small{padding:5px 10px;font-size:14px}
button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--ok);outline-offset:2px}
input{width:100%;background:#0c1524;border:1px solid var(--line);border-radius:6px;padding:10px;margin:0 0 10px}
a{color:var(--ok)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;margin:0 0 12px}
.row{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.item{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-top:1px solid var(--line);cursor:pointer}
.item:first-of-type{border-top:0}
.done{color:var(--ok)}.mut{color:var(--mut)}
.bar{height:6px;background:#0c1524;border-radius:3px;overflow:hidden;margin-top:8px}.bar i{display:block;height:100%;background:var(--ok)}
label.opt{display:flex;gap:10px;align-items:flex-start;padding:6px 0}label.opt input{width:auto;margin:5px 0 0}
pre{background:#0c1524;border:1px solid var(--line);padding:12px;border-radius:6px;overflow:auto;white-space:pre-wrap;user-select:all}
table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:6px 4px;border-top:1px solid var(--line)}
#msg{position:sticky;bottom:0;margin:0;padding:12px 16px;text-align:center;display:none;background:var(--panel);border-top:1px solid var(--line)}
#msg.on{display:block}#msg.bad{color:var(--bad)}#msg.good{color:var(--ok)}
@media (prefers-reduced-motion:no-preference){.bar i{transition:width .4s}}