:root{--bg:#eef4ff;--card:#fff;--ink:#0f1b3d;--mut:#64709a;--pri:#2563eb;--pri-d:#1d4ed8;--line:#dbe5fb;--gold:#f59e0b;--ok:#16a34a;--err:#dc2626;--r:16px;--sh:0 6px 24px rgba(37,99,235,.08)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:linear-gradient(180deg,#eaf2ff,#f6f9ff 480px) fixed;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--pri);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:1.7rem;margin:.2em 0 .5em;line-height:1.2}h2{font-size:1.3rem;margin:.2em 0 .6em}h3{margin:.2em 0 .7em}h4{margin:.6em 0 .1em;font-size:1rem}
p{margin:.5em 0}.muted{color:var(--mut)}.c{text-align:center}.center{text-align:center;padding:36px 20px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 16px}
.main{flex:1;padding:22px 0 40px;min-width:0}
.ic{width:20px;height:20px;flex:none}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:12px 0}.row form{margin:0}
.between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.grow{flex:1;min-width:0}
/* top */
.top{background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top-in{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:1.3rem;color:var(--ink)!important;text-decoration:none!important}
.logo-ic{width:38px;height:30px}
.topnav{display:flex;gap:4px;flex:1}.topnav a{color:var(--ink);padding:8px 12px;border-radius:10px;font-size:.93rem}
.topnav a:hover,.topnav a.on{background:#e6efff;color:var(--pri);text-decoration:none}
.top-r{display:flex;align-items:center;gap:10px}
.who{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:600}.who:hover{text-decoration:none}
.av{border-radius:50%;object-fit:cover;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;vertical-align:middle;flex:none}
/* buttons, chips */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--pri);color:#fff!important;border:0;border-radius:10px;padding:11px 20px;font-weight:600;font-size:.95rem;font-family:inherit;cursor:pointer;text-decoration:none!important;transition:.15s}
.btn:hover{background:var(--pri-d)}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-o{background:#fff;color:var(--pri)!important;border:1.5px solid var(--pri)}.btn-o:hover{background:#eef4ff}
.btn-g{background:var(--ok)}.btn-g:hover{background:#15803d}
.btn-sm{padding:7px 14px;font-size:.86rem}.btn-xs{padding:4px 10px;font-size:.78rem;border-radius:8px}
.btn-block{width:100%}.danger{color:var(--err)!important;border-color:var(--err)}.danger:hover{background:#fef2f2}
.chip{display:inline-flex;align-items:center;gap:5px;background:#fff7e0;color:#92600a;border:1px solid #fde7a6;padding:3px 11px;border-radius:99px;font-size:.84rem;font-weight:600;width:fit-content}
.chip .ic{width:16px;height:16px;color:var(--gold)}
.coin-chip{font-size:.95rem}
.badge{background:var(--err);color:#fff;border-radius:99px;font-size:.7rem;font-style:normal;padding:1px 7px;margin-left:auto}
/* cards & forms */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);border:1px solid var(--line);padding:22px;margin-bottom:18px}
label{display:block;font-weight:600;font-size:.9rem;margin:0 0 14px}label small{font-weight:400;color:var(--mut)}
input,select,textarea{display:block;width:100%;margin-top:6px;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #bcd3ff;border-color:var(--pri)}
input[type=checkbox],input[type=radio]{display:inline-block;width:auto;margin:0 6px 0 0}
input[type=file]{padding:8px;background:#f8fbff}
.chk{display:flex;align-items:center;font-weight:400;margin:0}
.auth{display:grid;grid-template-columns:minmax(0,440px) 1fr;gap:40px;align-items:center;padding:30px 0}
.auth-f{max-width:440px}.auth-f.wide{max-width:none}
.auth-art{display:flex;justify-content:center}
.flash{padding:12px 16px;border-radius:12px;margin-bottom:14px;font-size:.93rem;border:1px solid}
.flash.ok{background:#ecfdf3;color:#14532d;border-color:#bbf7d0}.flash.err{background:#fef2f2;color:#7f1d1d;border-color:#fecaca}.flash.info{background:#eff6ff;color:#1e3a8a;border-color:#bfdbfe}
.ok-t{color:var(--ok);font-weight:600}
.search{display:flex;gap:10px;margin-bottom:18px}.search input,.search select{margin:0;flex:1}
/* hero */
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center;padding:36px 0 20px}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);letter-spacing:-.02em}.hero p{color:var(--mut);font-size:1.05rem;max-width:520px}
.hero-art,.auth-art{position:relative;min-height:240px;display:flex;align-items:center;justify-content:center}
.stack{display:flex;flex-direction:column;gap:6px;align-items:center}
.stack i{display:block;width:210px;height:34px;border-radius:6px;box-shadow:0 4px 0 rgba(0,0,0,.18)}
.stack i:nth-child(2){width:190px;margin-left:30px}.stack i:nth-child(3){width:230px;margin-left:-10px}.stack i:nth-child(4){width:200px}
.bigcoin{position:absolute;top:10px;right:18%;width:78px;height:78px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fde68a,#f59e0b);display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;box-shadow:0 8px 20px rgba(245,158,11,.4)}
.stats3{display:flex;gap:28px;margin-top:22px}.stats3 div{display:flex;flex-direction:column}.stats3 b{font-size:1.6rem}.stats3 span{color:var(--mut);font-size:.85rem}
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}
.feat-i{margin:0}.feat-i h3{margin:10px 0 4px}.feat-i p{color:var(--mut);font-size:.92rem;margin:0}
.fi{display:inline-flex;width:44px;height:44px;border-radius:12px;background:#e6efff;color:var(--pri);align-items:center;justify-content:center}
.sec-h{display:flex;justify-content:space-between;align-items:baseline;margin-top:26px}.sec{margin:26px 0 12px}
/* layout w/ sidebar */
.with-side{display:grid;grid-template-columns:210px minmax(0,1fr);gap:24px;align-items:start}
.side{position:sticky;top:84px;padding-top:22px}
.side nav,.adm-side nav{display:flex;flex-direction:column;gap:3px}
.side a,.side .lo,.adm-side a,.adm-side .lo{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--ink);font-weight:500;font-size:.93rem;font-family:inherit;background:none;border:0;cursor:pointer;width:100%;text-align:left;text-decoration:none!important}
.side a:hover,.side .lo:hover{background:#e6efff}.side a.on{background:#dbe8ff;color:var(--pri);font-weight:700}
.side form,.adm-side form{margin:0}
/* books */
.lib{display:grid;grid-template-columns:200px minmax(0,1fr);gap:20px;align-items:start}
.cats{padding:16px}.cats h3{font-size:.95rem}
.cats a{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:9px;color:var(--ink);font-size:.9rem}.cats a small{margin-left:auto;color:var(--mut)}
.cats a.on,.cats a:hover{background:#e6efff;color:var(--pri);text-decoration:none}.cats .ic{width:17px;height:17px}
.grid3{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.grid4{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.bk{display:flex;flex-direction:column;gap:6px;color:var(--ink);margin:0}.bk:hover{text-decoration:none}
.bk h4{margin:4px 0 0}.bk small{color:var(--mut)}
.grid4 .bk{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px;box-shadow:var(--sh)}
.bk .btn{margin-top:auto}
.cover{aspect-ratio:3/4;border-radius:10px;overflow:hidden;box-shadow:0 6px 16px rgba(15,27,61,.18);width:100%}
.cover img{width:100%;height:100%;object-fit:cover;display:block}
.cover-gen{display:flex;flex-direction:column;justify-content:space-between;padding:14px;color:#fff;position:relative}
.cover-gen:before{content:"";position:absolute;left:8px;top:0;bottom:0;width:3px;background:rgba(255,255,255,.25)}
.cg-t{font-weight:800;font-size:1.02rem;line-height:1.2;letter-spacing:-.01em;padding-left:8px}.cg-a{font-size:.74rem;opacity:.85;padding-left:8px}
.cover.sm{width:44px;border-radius:5px;box-shadow:none}.cover.sm .cg-t{font-size:.35rem;padding:0}.cover.sm .cg-a,.cover.sm:before{display:none}.cover.sm.cover-gen{padding:4px}
.cover.big{max-width:220px}
.bdet{display:grid;grid-template-columns:220px 1fr;gap:26px}
.toc{margin:0;padding-left:20px}.toc li{margin:6px 0}
.reader{display:grid;grid-template-columns:230px minmax(0,1fr);gap:20px;align-items:start}
.toc-s a{display:block;padding:8px 10px;border-radius:9px;color:var(--ink);font-size:.9rem}.toc-s a.on,.toc-s a:hover{background:#e6efff;color:var(--pri);text-decoration:none}
.page .text{font-size:1.08rem;line-height:1.8;margin:18px 0 26px;max-width:70ch}
.prog{display:flex;align-items:center;gap:10px;margin:10px 0}.prog span{font-size:.85rem;color:var(--mut)}
.bar{height:9px;background:#e4ecfb;border-radius:99px;overflow:hidden;flex:1}.bar i{display:block;height:100%;background:linear-gradient(90deg,#3b82f6,#2563eb);border-radius:99px}
.qa{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:0 0 14px}.qa legend{font-weight:700;padding:0 6px}
.qa.g{background:#f0fdf4;border-color:#bbf7d0}.qa.x{background:#fef2f2;border-color:#fecaca}
.opt{display:block;padding:8px 6px;font-weight:400;cursor:pointer;margin:0}
/* shop, clubs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 18px}.tabs a{padding:7px 16px;border-radius:99px;background:#fff;border:1px solid var(--line);color:var(--ink);font-size:.9rem}
.tabs a.on,.tabs a:hover{background:var(--pri);color:#fff;border-color:var(--pri);text-decoration:none}
.gift{display:flex;flex-direction:column;gap:7px;align-items:flex-start;margin:0}.gift .btn,.gift form{width:100%;margin-top:auto}
.gi{width:100%;aspect-ratio:4/3;background:linear-gradient(160deg,#f1f6ff,#e4eeff);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:3.4rem;overflow:hidden}
.gi img{width:100%;height:100%;object-fit:cover}
/* profile */
.prof-h{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.prof-h h1{margin:0}.quote{font-style:italic;color:var(--mut);margin:6px 0}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin:20px 0 8px}
.stat{border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center;display:flex;flex-direction:column;gap:2px;background:#fbfdff}
.stat span{font-size:.82rem;color:var(--mut)}.stat b{font-size:1.7rem;display:inline-flex;justify-content:center;align-items:center;gap:6px}.stat small{color:var(--pri);font-weight:600}
.gold{color:#b7791f}.gold .ic{color:var(--gold);width:24px;height:24px}
.lvl{margin-top:10px}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.two>.card{margin-bottom:0}
.log{list-style:none;margin:0;padding:0}.log li{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid #eef2fb}.log li:last-child{border:0}
.log small{display:block;color:var(--mut);font-size:.78rem}.plus{color:var(--ok);font-weight:700}.minus{color:var(--err);font-weight:700}
.st{font-style:normal;font-size:.78rem;padding:3px 10px;border-radius:99px;background:#eef2ff;color:#3730a3;white-space:nowrap}.st-done{background:#dcfce7;color:#166534}.st-cancel{background:#fee2e2;color:#991b1b}
.ulist{padding:6px 18px}.urow{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid #eef2fb;flex-wrap:wrap}.urow:last-child{border:0}.urow small{display:block}
.urow.unseen{background:linear-gradient(90deg,#eff6ff,transparent);margin:0 -18px;padding-left:18px;padding-right:18px}
.pager{display:flex;gap:6px;justify-content:center;margin-top:22px}.pager a{padding:6px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}.pager a.on{background:var(--pri);color:#fff}
.foot{border-top:1px solid var(--line);padding:18px 0;color:var(--mut);font-size:.86rem;text-align:center;background:#fff}
/* admin */
body.adm{background:#f1f5fb;display:block}
.adm-wrap{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:100vh}
.adm-side{background:#0f1f46;color:#fff;padding:18px 12px;position:sticky;top:0;height:100vh;overflow:auto}
.adm-side .brand{color:#fff!important;margin:0 6px 18px;flex-wrap:wrap}.adm-side .brand small{width:100%;font-weight:400;font-size:.75rem;opacity:.7;margin-left:46px;margin-top:-6px}
.adm-side a,.adm-side .lo{color:#cfdbf7}.adm-side a:hover,.adm-side .lo:hover,.adm-side a.on{background:#1d3a80;color:#fff}
.adm-main{padding:22px 26px 50px;min-width:0}
.adm-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.adm-bar h1{margin:0}.adm-bar span{color:var(--mut);font-size:.9rem}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}
.tile{border-radius:14px;padding:18px;color:#fff!important;display:flex;flex-direction:column;gap:4px;text-decoration:none!important}.tile span{font-size:.9rem;opacity:.9}.tile b{font-size:2.3rem;line-height:1}
.t1{background:#2563eb}.t2{background:#0d9488}.t3{background:#65a30d}.t4{background:#ea580c}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}.tbl th{text-align:left;color:var(--mut);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;padding:8px 10px;border-bottom:2px solid var(--line)}
.tbl td{padding:9px 10px;border-bottom:1px solid #eef2fb;vertical-align:middle}.tbl tr.dim td{opacity:.5}
.acts{display:flex;gap:5px;flex-wrap:wrap}.acts form{margin:0}
.scroll{overflow-x:auto}.inl{display:flex;gap:8px}.inl input{margin:0}
/* responsive */
@media(max-width:900px){
 .hero,.auth,.bdet,.two,.lib,.reader{grid-template-columns:minmax(0,1fr)}.hero-art,.auth-art{display:none}
 .feat{grid-template-columns:repeat(2,1fr)}
 .with-side{grid-template-columns:minmax(0,1fr);gap:0}.side{min-width:0}
 .side{position:static;padding:12px 0 0}.side nav{flex-direction:row;overflow-x:auto;gap:6px;padding-bottom:4px}
 .side a,.side .lo{white-space:nowrap;width:auto;background:#fff;border:1px solid var(--line)}.side a .badge{margin-left:4px}
 .adm-wrap{grid-template-columns:1fr}.adm-side{position:static;height:auto}.adm-side nav{flex-direction:row;flex-wrap:wrap}.adm-side a,.adm-side .lo{width:auto}
 .adm-main{padding:16px}
 .cover.big{max-width:160px}
}
@media(max-width:640px){
 .topnav{display:none}.top-in{gap:8px}.top-r{margin-left:auto}.who span{display:none}
 .feat{grid-template-columns:1fr}.card{padding:16px}
 .grid3,.grid4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .search{flex-direction:column}.stats3{gap:18px}
}