:root{--bg:#f6f7f9;--card:#fff;--ink:#1b2238;--mute:#5d6580;--line:#dfe3ec;--acc:#2f4fd8;--soft:#e9edfc;--side:#161c33;--sideink:#d7dcf0}
@media(prefers-color-scheme:dark){:root{--bg:#10131f;--card:#181d2e;--ink:#e6e9f5;--mute:#98a0bd;--line:#2a3150;--acc:#8ea2ff;--soft:#1f2745;--side:#0b0e18}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.7 Literata,Georgia,serif;display:flex;min-height:100vh}
h1,h2,h3,.brand,summary,button,input{font-family:"Bricolage Grotesque",system-ui,sans-serif}
#side{width:300px;flex:none;background:var(--side);color:var(--sideink);padding:24px 18px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:block;color:#fff;font-size:26px;font-weight:800;line-height:1.1;text-decoration:none;margin-bottom:18px}
#q{width:100%;padding:10px 12px;border-radius:8px;border:1px solid #39426a;background:#0f1428;color:#fff;font-size:15px}
#nav a{display:flex;gap:10px;padding:8px 6px;color:var(--sideink);text-decoration:none;font:500 15px/1.3 "Bricolage Grotesque",sans-serif;border-radius:6px}
#nav a:hover,#nav a.on{background:#252d52;color:#fff}
#nav b{width:22px;flex:none;color:#8ea2ff}#nav a.done b{color:#6fe3a8}
.prog{font-size:13px;color:#8d96bb}
main{flex:1;min-width:0;padding:48px clamp(20px,5vw,72px) 80px;max-width:980px;outline:0}
.hero h1{font-size:clamp(34px,6vw,60px);line-height:1.05;font-weight:800;margin:0 0 14px}
.hero p{color:var(--mute);max-width:60ch}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:32px}
.tile{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;color:inherit;text-decoration:none}
.tile:hover{border-color:var(--acc)}
.tile h3{margin:0 0 6px;font-size:18px}.tile p{margin:0;font-size:15px;line-height:1.5;color:var(--mute);font-style:italic}
.tile.done{border-left:4px solid #2fb37a}
.q{font-family:"Bricolage Grotesque";font-size:clamp(26px,4.4vw,44px);font-weight:700;line-height:1.15;margin:6px 0 24px;color:var(--acc)}
h1.t{font-size:18px;color:var(--mute);font-weight:500;margin:0}
h2{font-size:24px;margin:44px 0 12px}
.lead{font-size:20px}
dl{margin:0}dt{font:700 16px "Bricolage Grotesque";margin-top:14px;color:var(--acc)}dd{margin:2px 0 0}
.th{border-left:3px solid var(--acc);padding:2px 0 2px 16px;margin:16px 0}.th b{font-family:"Bricolage Grotesque"}
details{background:var(--card);border:1px solid var(--line);border-radius:10px;margin:10px 0;padding:0 16px}
summary{cursor:pointer;padding:14px 0;font-weight:700;font-size:17px}
details[open]{border-color:var(--acc)}details p{margin:0 0 16px}
.keep{background:var(--soft);border-radius:12px;padding:18px 22px;margin-top:40px}
.keep b{font-family:"Bricolage Grotesque"}
.row{display:flex;justify-content:space-between;gap:12px;margin-top:36px;flex-wrap:wrap}
button,.row a{font-size:15px;padding:10px 16px;border-radius:8px;border:1px solid var(--acc);background:transparent;color:var(--acc);cursor:pointer;text-decoration:none}
button.ok{background:var(--acc);color:var(--bg)}
#menu{display:none}
:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
@media(max-width:820px){
 body{display:block}
 #side{position:fixed;inset:0 25% 0 0;width:auto;max-width:320px;z-index:5;transform:translateX(-100%);transition:transform .2s}
 body.open #side{transform:none}
 #menu{display:block;position:fixed;top:10px;right:10px;z-index:6;background:var(--card)}
 main{padding-top:64px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}