:root{--ink:#1d1b3a;--muted:#5b5a72;--bg:#fbf7f1;--card:#fff;--line:#ece6dc;--soft:#f3eee6;--indigo:#3f3ac7;--violet:#6d3fd8;--gold:#f2a12b;--ok:#0f7a55;--bad:#b42318;--hi:#3f3ac7}
@media (prefers-color-scheme:dark){:root{--ink:#f1effa;--muted:#b9b6cf;--bg:#14132a;--card:#1e1c3b;--line:#2f2c58;--soft:#191836;--ok:#4cc38a;--bad:#ff8a80;--hi:#a9a5ff}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Devanagari",sans-serif}
a{color:var(--hi)}img{max-width:100%}
.wrap{max-width:1000px;margin:0 auto;padding:0 16px}
nav{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;gap:14px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.06em;text-decoration:none;color:var(--ink)}
.mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--indigo),var(--violet));display:grid;place-items:center;flex:none}
nav .links{margin-left:auto;display:flex;gap:18px;align-items:center}
nav .links a{color:var(--muted);text-decoration:none;font-size:.95rem}
nav .links a[aria-current]{color:var(--ink);font-weight:700}
@media (max-width:760px){nav .links a:not(.btn){display:none}}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--gold);color:#1d1b3a!important;font-weight:700;text-decoration:none;padding:11px 20px;border-radius:12px;border:0;cursor:pointer;font-size:1rem}
.btn.sm{padding:8px 14px;font-size:.92rem}.btn.ghost{background:transparent;color:inherit!important;border:1.5px solid currentColor}
.crumbs{font-size:.88rem;color:var(--muted);margin:18px 0 0}.crumbs a{color:var(--muted)}
.head{margin:14px 0 26px;background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;border-radius:24px;padding:34px 28px}
.head h1{margin:0 0 8px;font-size:clamp(26px,4.4vw,40px);line-height:1.15}
.head p{margin:0;opacity:.93;max-width:44em}
.head .meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.pill{background:rgba(255,255,255,.16);border-radius:999px;padding:5px 12px;font-size:.9rem}
h2{margin:40px 0 10px;font-size:clamp(21px,3vw,28px);line-height:1.25}
h3{margin:0 0 6px;font-size:1.06rem}
.sub{color:var(--muted);margin:0 0 18px;max-width:46em}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:12px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.kv{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.kv div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center}
.kv b{display:block;font-size:1.5rem;color:var(--hi)}.kv small{color:var(--muted)}
@media (max-width:700px){.kv{grid-template-columns:repeat(2,1fr)}}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
td.n,th.n{text-align:right;white-space:nowrap}
.tw{overflow-x:auto}
.bar{height:8px;border-radius:4px;background:var(--soft);margin-top:6px;overflow:hidden;min-width:80px}
.bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--indigo),var(--gold))}
.topic h3{display:flex;justify-content:space-between;gap:10px}
.topic h3 span{color:var(--muted);font-weight:600;font-size:.9rem;white-space:nowrap}
.topic ul{margin:8px 0 0;padding-left:20px;color:var(--muted)}
.tip{margin-top:10px;background:var(--soft);border-radius:12px;padding:10px 12px;font-size:.95rem}
.tip b{color:var(--ink)}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700}details p{color:var(--muted);margin:10px 0 0}
.cta{margin:44px 0 0;background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;border-radius:24px;padding:32px 24px;text-align:center}
.cta h2{margin:0 0 8px;color:#fff}.cta p{opacity:.9;margin:0 auto 18px;max-width:36em}
.q{font-weight:600;margin:6px 0 10px}
.opts{margin:0;padding-left:0;list-style:none;display:grid;gap:6px}
.opts li{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.opts li.right{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,var(--card))}
.reveal{margin-top:10px}.ans{display:none;margin-top:10px;background:var(--soft);border-radius:12px;padding:10px 12px}
.ans.on{display:block}
.day h2{margin-top:0;font-size:1.25rem}.day .fine{margin-bottom:8px}
.fine{font-size:.86rem;color:var(--muted)}
.tag{display:inline-block;font-size:.78rem;font-weight:700;border-radius:999px;padding:2px 9px;background:var(--soft);color:var(--muted);margin-right:6px}
.tag.new{background:#fde7c4;color:#7a4b00}
footer{margin:48px 0 28px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}
footer a{color:inherit}