:root{--bg:#f6f6fb;--card:#fff;--fg:#14141f;--mute:#6b6b80;--line:#e3e3ee;--ac:#6d4aff;--acfg:#fff}
@media(prefers-color-scheme:dark){:root{--bg:#0c0c14;--card:#14141f;--fg:#ececf6;--mute:#8d8da6;--line:#25253a;--ac:#9a82ff;--acfg:#0c0c14}}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(900px 400px at 50% -100px,color-mix(in srgb,var(--ac) 22%,transparent),transparent),var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:1040px;margin:0 auto;padding:40px 20px 56px}
header{text-align:center;margin-bottom:24px}
h1{margin:0;font-size:2.4rem;letter-spacing:-.03em;display:flex;align-items:center;justify-content:center;gap:12px}
.logo{width:30px;height:30px;border-radius:50%;border:6px solid var(--ac);position:relative}
.logo::after{content:"";position:absolute;inset:4px;border-radius:50%;background:var(--fg)}
header p{margin:6px 0 0;color:var(--mute)}
#bar{display:flex;gap:8px;max-width:680px;margin:0 auto}
#in{flex:1;min-width:0;font:inherit;font-size:1.1rem;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--fg);box-shadow:0 4px 24px #0000000d}
button,.btn{font:inherit;cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--fg);border-radius:10px;padding:6px 12px}
#bar button{background:var(--ac);color:var(--acfg);border:0;font-weight:600;padding:0 22px;border-radius:14px}
:focus-visible{outline:2px solid var(--ac);outline-offset:2px}
#in:focus-visible{outline-offset:0;box-shadow:0 4px 28px color-mix(in srgb,var(--ac) 30%,transparent)}
.hint{text-align:center;color:var(--mute);font-size:.85rem;margin:10px auto 28px;max-width:680px}
kbd,code{background:var(--card);border:1px solid var(--line);border-radius:5px;padding:0 5px;font-size:.85em}
#cols{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
section{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;min-height:140px}
h2{margin:0 0 10px;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);display:flex;justify-content:space-between}
ul{list-style:none;margin:0;padding:0}
ul:empty::after{content:"Nothing here yet.";color:var(--mute);font-size:.9rem}
li{display:flex;align-items:flex-start;gap:8px;padding:8px 0;border-top:1px solid var(--line);word-break:break-word}
li:first-child{border-top:0}
li .t{flex:1}
li.done .t{text-decoration:line-through;color:var(--mute)}
li a{color:var(--ac);text-decoration:none}
li a:hover{text-decoration:underline}
li input{margin-top:6px;accent-color:var(--ac);width:16px;height:16px}
li .x{border:0;background:none;color:var(--mute);padding:0 6px;font-size:1.2rem;line-height:1.3;border-radius:6px}
li .x:hover{color:var(--fg)}
footer{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;margin-top:28px;color:var(--mute);font-size:.85rem}
footer button,.btn{font-size:.85rem;padding:4px 10px}
@media(max-width:760px){#cols{grid-template-columns:1fr}h1{font-size:2rem}main{padding-top:28px}}
@media(prefers-reduced-motion:no-preference){li{animation:in .15s ease-out}@keyframes in{from{opacity:0;transform:translateY(-4px)}}}