*{box-sizing:border-box;}
html,body{margin:0;height:100%;}
body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg-alt);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;padding:0;}
img{display:block;}
a{color:var(--color-primary);text-decoration:none;}a:hover{color:var(--color-primary-hover);}
.shell{display:grid;grid-template-columns:280px minmax(0,1fr);height:100vh;overflow:hidden;}
.shell.rail-on{grid-template-columns:280px minmax(0,1fr) 58px;}

/* ===== Heartbeat-style sidebar ===== */
.hb{display:flex;flex-direction:column;height:100vh;overflow-y:auto;padding:22px 16px 24px 20px;background:var(--color-bg-alt);scrollbar-width:thin;}
.hb-banner{position:relative;height:128px;border-radius:var(--r-lg);background:var(--color-surface-soft);flex:0 0 auto;margin-bottom:56px;overflow:visible;}
.hb-banner .art{position:absolute;right:8px;bottom:0;height:118px;width:auto;}
.hb-logo{position:absolute;left:12px;bottom:-36px;width:78px;height:78px;border-radius:99px;background:#fff;border:4px solid #fff;box-shadow:var(--shadow-md);overflow:hidden;}
.hb-logo img{width:100%;height:100%;object-fit:cover;transform:scale(1.18);}
.hb-comm{position:relative;margin:0 0 14px;}
.hb-comm-btn{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:var(--r-sm);font-family:var(--font-display);font-weight:800;font-size:20px;}
.hb-comm-btn:hover{background:var(--color-surface);}
.hb-comm-btn i{font-size:14px;color:var(--color-text-muted);transition:transform var(--dur-base) var(--ease-out);}
.hb-comm-btn.open i{transform:rotate(180deg);}
.hb-menu{position:absolute;top:calc(100% + 6px);left:0;width:256px;background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-xl);border:1px solid var(--color-border);padding:6px;z-index:30;animation:hbpop var(--dur-base) var(--ease-out);}
@keyframes hbpop{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}
.hb-menu a,.hb-menu button{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--color-text);text-align:left;}
.hb-menu a:hover,.hb-menu button:hover{background:var(--color-surface);color:var(--color-text);}
.hb-menu i{font-size:18px;color:var(--color-text-muted);}
.hb-menu hr{border:0;border-top:1px solid var(--color-border);margin:6px 4px;}
.hb-menu .cap{font-size:11px;font-weight:700;letter-spacing:var(--tracking-widest);text-transform:uppercase;color:var(--color-text-muted);padding:6px 10px 4px;}
.hb-menu .kid{width:26px;height:26px;border-radius:99px;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:12px;color:#fff;}
.hb-menu .tick{margin-left:auto;color:var(--color-primary);}
.hb-nav{display:flex;flex-direction:column;gap:2px;}
.hb-item{display:flex;align-items:center;gap:13px;padding:8px 10px;border-radius:var(--r-md);font-size:15px;font-weight:500;color:var(--color-text);line-height:22px;}
.hb-item i{font-size:20px;width:20px;text-align:center;color:var(--color-text);}
.hb-item:hover{background:var(--color-surface);color:var(--color-text);}
.hb-item.active{background:var(--color-surface);color:var(--color-primary);font-weight:700;}
.hb-item.active i{color:var(--color-primary);}
.hb-item.unread{color:var(--color-primary);font-weight:700;}
.hb-item.unread i{color:var(--color-primary);}
.hb-item .host{margin-left:auto;font-size:10px;font-weight:700;letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--color-text-muted);opacity:0;transition:opacity var(--dur-fast);}
.hb-item:hover .host{opacity:1;}
.hb-item .new{margin-left:auto;font-size:11px;font-weight:700;padding:1px 8px;border-radius:99px;background:var(--color-accent);color:var(--color-text);}
.hb-div{height:1px;background:var(--color-border);margin:16px 0 14px;flex:0 0 auto;}
.hb-sec-h{display:flex;align-items:center;gap:6px;padding:4px 0 8px;font-size:12px;font-weight:700;letter-spacing:var(--tracking-wider);text-transform:uppercase;}
.hb-sec-h .tog{display:flex;align-items:center;gap:6px;flex:1;text-align:left;font-weight:700;letter-spacing:inherit;}
.hb-sec-h .tog i{font-size:11px;color:var(--color-text-muted);opacity:0;transition:transform var(--dur-base),opacity var(--dur-base);}
.hb-sec-h:hover .tog i{opacity:1;}
.hb-sec-h .tog.closed i{transform:rotate(-90deg);opacity:1;}
.hb-sec-list{margin-bottom:14px;}

/* ===== main column ===== */
.col{display:flex;flex-direction:column;min-width:0;height:100vh;}
.top{display:flex;align-items:center;gap:12px;height:72px;padding:0 20px 0 18px;flex:0 0 auto;}
.top h1{font-family:var(--font-display);font-weight:800;font-size:18px;line-height:1;}
.view-tog{display:flex;background:var(--color-surface);border-radius:99px;padding:4px;gap:2px;margin-left:18px;}
.view-tog button{height:32px;padding:0 16px;border-radius:99px;font-family:var(--font-display);font-weight:800;font-size:14px;color:var(--color-text-muted);display:flex;align-items:center;gap:6px;transition:background var(--dur-base),color var(--dur-base);}
.view-tog button.on{background:#fff;color:var(--color-primary);box-shadow:var(--shadow-sm);}
.t-search{margin-left:auto;display:flex;align-items:center;gap:8px;width:240px;height:38px;border:1px solid var(--color-border);border-radius:99px;padding:0 14px;color:var(--color-text-muted);}
.t-search input{border:0;outline:0;font:inherit;font-size:14px;width:100%;color:var(--color-text);background:none;}
.t-search:focus-within{border-color:var(--color-primary);}
.t-ic{width:40px;height:40px;border-radius:99px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--color-text);position:relative;flex:0 0 auto;}
.t-ic:hover{background:var(--color-surface);}
.t-ic .pip{position:absolute;top:8px;right:9px;width:9px;height:9px;border-radius:99px;background:var(--color-primary);border:2px solid #fff;}
.burger{display:none;}
.panel{flex:1;min-height:0;overflow-y:auto;background:var(--color-bg);border-radius:var(--r-xl) var(--r-xl) 0 0;padding:28px 32px 56px;}

/* ===== rail ===== */
.rail{display:flex;flex-direction:column;align-items:center;height:100vh;padding:16px 0;gap:12px;}
.rail .lab{font-size:10px;font-weight:700;letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--color-text-muted);}
.av{position:relative;width:40px;height:40px;flex:0 0 40px;border-radius:99px;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:14px;color:#fff;cursor:pointer;}
.av .on{position:absolute;right:-1px;bottom:-1px;width:12px;height:12px;border-radius:99px;background:var(--color-secondary);border:2px solid #fff;}
.av:hover::after{content:attr(data-name);position:absolute;right:50px;top:50%;transform:translateY(-50%);background:var(--color-footer);color:#fff;font-family:var(--font-body);font-weight:500;font-size:12px;padding:5px 10px;border-radius:99px;white-space:nowrap;z-index:5;}
.rail .help{margin-top:auto;width:40px;height:40px;border-radius:99px;background:var(--color-primary);color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center;}

/* ===== dashboard ===== */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:1240px;margin:0 auto;}
.card{background:#fff;border-radius:var(--r-xl);padding:24px;box-shadow:var(--shadow-sm);min-width:0;position:relative;}
.span2{grid-column:span 2;}
.card-h{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:18px;}
.card-h .eyebrow{display:block;margin-bottom:4px;}
.card-h h2{font-size:var(--fs-2xl);font-weight:900;line-height:1.1;}
.more{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-display);font-weight:800;font-size:14px;color:var(--color-primary);white-space:nowrap;}
.more i{font-size:16px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:99px;font-family:var(--font-display);font-weight:800;font-size:15px;white-space:nowrap;transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out),background var(--dur-base);}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn:active{transform:none;}
.btn-pri{background:var(--color-primary);color:#fff;}.btn-pri:hover{background:var(--color-primary-hover);color:#fff;}
.btn-out{border:2px solid var(--color-secondary);color:var(--color-secondary);}.btn-out:hover{background:var(--color-secondary);color:#fff;}
.btn-sm{height:36px;padding:0 16px;font-size:13px;}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:700;padding:.35rem .85rem;border-radius:99px;background:var(--color-accent);color:var(--color-text);}
.pill.soft{background:var(--color-surface);}
.pill.teal{background:var(--color-secondary);color:#fff;}

/* hero */
.hero{background:var(--color-surface);display:flex;align-items:center;gap:20px;overflow:hidden;min-height:230px;padding-right:0;}
.hero .tx{flex:1;min-width:0;padding:6px 0;}
.hero h2{font-size:var(--fs-4xl);font-weight:900;line-height:1.1;margin:10px 0 10px;}
.hero p{color:var(--color-text-muted);font-size:16px;max-width:440px;margin-bottom:20px;}
.hero .acts{display:flex;gap:10px;flex-wrap:wrap;}
.hero img{width:260px;flex:0 0 260px;align-self:flex-end;margin-bottom:-24px;}
/* countdown */
.count{display:flex;flex-direction:column;justify-content:space-between;}
.count .big{display:flex;align-items:baseline;gap:8px;margin:6px 0 4px;}
.count .big b{font-family:var(--font-display);font-weight:900;font-size:76px;line-height:1;color:var(--color-primary);letter-spacing:var(--tracking-tight);}
.count .big span{font-family:var(--font-display);font-weight:800;font-size:22px;}
.count p{font-size:14px;color:var(--color-text-muted);}
.count .topics{display:flex;flex-direction:column;gap:8px;margin-top:16px;}
.count .tp{display:grid;grid-template-columns:96px minmax(0,1fr) 36px;align-items:center;gap:10px;font-size:13px;}
.count .tp b{font-weight:700;text-align:right;font-size:12px;}
.track{height:8px;border-radius:99px;background:var(--color-surface);overflow:hidden;}
.track i{display:block;height:100%;border-radius:99px;}

/* arcade games */
.games{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.game{border-radius:var(--r-xl);padding:14px 14px 16px;display:flex;flex-direction:column;color:var(--color-text);transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base);}
.game:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:var(--color-text);}
.game .art{height:120px;border-radius:var(--r-lg);background:#fff;display:flex;align-items:flex-end;justify-content:center;overflow:hidden;margin-bottom:12px;position:relative;}
.game .art img{height:112px;width:auto;}
.game .art .lvl{position:absolute;top:8px;left:8px;font-size:11px;font-weight:700;padding:2px 9px;border-radius:99px;background:var(--color-bg);}
.game h4{font-size:17px;font-weight:900;line-height:1.15;margin-bottom:4px;}
.game p{font-size:13px;color:var(--color-text-muted);line-height:1.4;margin-bottom:12px;}
.game .play{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-family:var(--font-display);font-weight:800;font-size:14px;}
.game .play span{width:34px;height:34px;border-radius:99px;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;}
.g-a{background:var(--color-surface-soft);}.g-b{background:#e4f3f1;}.g-c{background:var(--color-surface);}.g-d{background:#fbe6e1;}
.streak{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;}
.streak i{color:var(--color-primary);font-size:20px;}

/* daily bite */
.bite{background:var(--color-footer);color:#fff;display:flex;flex-direction:column;overflow:hidden;}
.bite .eyebrow{color:var(--color-accent);}
.bite h3{color:#fff;font-size:var(--fs-xl);font-weight:900;margin:6px 0 12px;line-height:1.25;padding-right:70px;}
.bite .q{font-size:15px;line-height:1.55;color:var(--color-text-on-dark-muted);margin-bottom:14px;}
.bite .bar-model{display:grid;grid-template-columns:repeat(5,1fr);gap:3px;margin-bottom:6px;}
.bite .bar-model i{height:24px;border-radius:4px;background:rgba(255,255,255,.14);}
.bite .bar-model i.f{background:var(--color-accent);}
.bite .bm-lab{display:flex;justify-content:space-between;font-size:12px;color:var(--color-text-on-dark-muted);margin-bottom:16px;}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.opt{height:46px;border-radius:var(--r-md);background:rgba(255,255,255,.08);border:2px solid rgba(255,255,255,.12);color:#fff;font-family:var(--font-display);font-weight:800;font-size:17px;transition:background var(--dur-base),border-color var(--dur-base);}
.opt:hover{border-color:var(--color-accent);}
.opt.right{background:var(--color-secondary);border-color:var(--color-secondary);}
.opt.wrong{background:var(--color-primary);border-color:var(--color-primary);}
.bite .fb{font-size:14px;margin-top:12px;min-height:21px;color:var(--color-text-on-dark-muted);}
.bite .fb b{color:#fff;}
.bite .polly{position:absolute;right:10px;top:14px;width:78px;}

/* guides */
.guides{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.guide{display:flex;flex-direction:column;border-radius:var(--r-xl);border:1px solid var(--color-border);overflow:hidden;color:var(--color-text);transition:box-shadow var(--dur-base),transform var(--dur-base);}
.guide:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);color:var(--color-text);}
.guide .art{height:130px;display:flex;align-items:flex-end;justify-content:center;}
.guide .art img{height:120px;width:auto;}
.guide .bd{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1;}
.guide .tag{font-size:11px;font-weight:700;letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--color-secondary);margin-bottom:6px;}
.guide h4{font-size:17px;font-weight:800;line-height:1.25;margin-bottom:10px;}
.guide .meta{margin-top:auto;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--color-text-muted);}

/* workshops */
.ws-list{display:flex;flex-direction:column;gap:10px;}
.ws{display:flex;gap:14px;align-items:center;padding:12px;border-radius:var(--r-lg);background:var(--color-bg);}
.ws .date{width:54px;flex:0 0 54px;height:58px;border-radius:var(--r-md);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);}
.ws .date small{font-size:11px;font-weight:700;letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--color-primary);}
.ws .date b{font-family:var(--font-display);font-weight:900;font-size:22px;line-height:1;}
.ws .inf{flex:1;min-width:0;}
.ws h5{font-size:15px;font-weight:800;line-height:1.25;margin-bottom:3px;}
.ws .inf span{font-size:12.5px;color:var(--color-text-muted);display:flex;align-items:center;gap:5px;}
.ws .rsv{width:36px;height:36px;flex:0 0 36px;border-radius:99px;border:2px solid var(--color-secondary);color:var(--color-secondary);display:flex;align-items:center;justify-content:center;font-size:16px;transition:background var(--dur-base),color var(--dur-base);}
.ws .rsv:hover,.ws .rsv.done{background:var(--color-secondary);color:#fff;}
.ws .seats{font-size:11px;font-weight:700;color:var(--color-primary);}

/* books */
.books{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.book{display:flex;flex-direction:column;color:var(--color-text);}
.book:hover{color:var(--color-text);}
.cover{aspect-ratio:3/4;border-radius:6px 14px 14px 6px;overflow:hidden;box-shadow:var(--shadow-lg);margin-bottom:12px;position:relative;transition:transform var(--dur-slower) var(--ease-out);}
.book:nth-child(odd) .cover{transform:rotate(-2deg);}.book:nth-child(even) .cover{transform:rotate(2deg);}
.book:hover .cover{transform:none;}
.cover img.full{width:100%;height:100%;object-fit:cover;}
.cover.mock{display:flex;flex-direction:column;padding:14px 12px 0;}
.cover.mock::before{content:"";position:absolute;left:0;top:0;bottom:0;width:7px;background:rgba(0,0,0,.12);}
.cover.mock .lv{font-size:10px;font-weight:700;letter-spacing:var(--tracking-widest);text-transform:uppercase;opacity:.9;}
.cover.mock b{font-family:var(--font-display);font-weight:900;font-size:19px;line-height:1.05;margin-top:4px;}
.cover.mock img{margin-top:auto;align-self:center;height:52%;width:auto;}
.c-red{background:var(--color-primary);color:#fff;}.c-teal{background:var(--color-secondary);color:#fff;}.c-yel{background:var(--color-accent);color:var(--color-text);}
.book h5{font-size:15px;font-weight:800;line-height:1.25;margin-bottom:4px;}
.book .pr{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:700;}
.book .pr span{font-size:12px;font-weight:500;color:var(--color-text-muted);}

/* testimonials */
.notes{display:flex;flex-direction:column;gap:12px;}
.note{display:block;border-radius:var(--r-lg);overflow:hidden;border:4px solid #fff;box-shadow:var(--shadow-md),var(--ring-soft);height:150px;transition:transform var(--dur-slower) var(--ease-out);}
.note:nth-child(1){transform:rotate(-2deg);}.note:nth-child(2){transform:rotate(2deg);}
.note:hover{transform:none;}
.note img{width:100%;height:100%;object-fit:cover;object-position:30% 30%;}
.tst-foot{margin-top:16px;display:flex;align-items:center;gap:12px;}
.tst-foot img{width:56px;}
.tst-foot p{font-size:14px;color:var(--color-text-muted);line-height:1.45;}
.tst-foot b{color:var(--color-text);}

/* leaderboard */
.lb{display:flex;flex-direction:column;gap:6px;}
.lb-row{display:grid;grid-template-columns:26px 34px minmax(0,1fr) auto;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-md);font-size:14px;}
.lb-row.me{background:var(--color-surface);font-weight:700;}
.lb-row .rk{font-family:var(--font-display);font-weight:900;color:var(--color-text-muted);text-align:center;}
.lb-row:nth-child(-n+3) .rk{color:var(--color-primary);}
.lb-row .av{width:34px;height:34px;flex-basis:34px;font-size:12px;}
.lb-row .xp{font-family:var(--font-display);font-weight:800;}

/* mobile chrome */
.m-drawer,.m-scrim,.m-tabs,.t-ic.m-only{display:none;}

@media (max-width:1280px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .games{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guides{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guides .guide:nth-child(3){display:none;}
}
@media (max-width:1100px){
  .shell,.shell.rail-on{grid-template-columns:260px minmax(0,1fr);}
  .rail{display:none;}
  .t-search{display:none;}
  .top .t-ic:first-of-type{margin-left:auto;}
}
@media (max-width:860px){
  .shell,.shell.rail-on{grid-template-columns:minmax(0,1fr);}
  .hb{display:none;}
  .top{height:60px;padding:0 8px;gap:4px;position:relative;}
  .burger{display:flex;width:44px;height:44px;border-radius:99px;align-items:center;justify-content:center;font-size:25px;}
  .top h1{position:absolute;left:50%;transform:translateX(-50%);font-size:20px;}
  .d-only,.view-tog.d-only{display:none;}
  .t-ic.m-only{display:flex;}
  .t-ic{width:44px;height:44px;}
  .m-view{display:flex;margin:0 0 14px;}
  .m-view button{flex:1;justify-content:center;}
  .panel{padding:16px 14px 100px;border-radius:0;}
  .grid{grid-template-columns:minmax(0,1fr);gap:14px;}
  .span2{grid-column:auto;}
  .card{padding:20px 18px;}
  .hero{flex-direction:column;align-items:stretch;padding-right:18px;gap:0;}
  .hero h2{font-size:var(--fs-3xl);}
  .hero img{width:200px;flex-basis:auto;align-self:center;margin:8px 0 -20px;}
  .books{grid-template-columns:repeat(2,minmax(0,1fr));}
  .m-tabs{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--color-border);padding:8px 4px calc(8px + env(safe-area-inset-bottom));}
  .m-tabs a{display:flex;flex-direction:column;align-items:center;gap:3px;min-height:48px;justify-content:center;color:var(--color-text-muted);font-size:13px;font-weight:500;}
  .m-tabs a i{font-size:25px;}
  .m-tabs a.on{color:var(--color-primary);font-weight:700;}
  .m-scrim{display:block;position:fixed;inset:0;background:rgba(74,44,32,.4);backdrop-filter:blur(4px);z-index:50;opacity:0;pointer-events:none;transition:opacity var(--dur-base);}
  .m-scrim.open{opacity:1;pointer-events:auto;}
  .m-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:min(86vw,360px);z-index:60;background:#fff;overflow-y:auto;padding:28px 18px 110px;transform:translateX(-102%);transition:transform var(--dur-slow) var(--ease-out);}
  .m-drawer.open{transform:none;}
  .m-comm{display:flex;align-items:center;gap:18px;padding:0 6px;margin-bottom:24px;}
  .m-logo{width:66px;height:66px;border-radius:99px;overflow:hidden;flex:0 0 66px;box-shadow:var(--shadow-sm);}
  .m-logo img{width:100%;height:100%;object-fit:cover;transform:scale(1.18);}
  .m-comm b{font-family:var(--font-display);font-size:20px;font-weight:800;}
  .m-nav{display:flex;flex-direction:column;gap:2px;}
  .m-nav .hb-item{font-size:17px;padding:13px 10px;color:var(--color-text-muted);}
  .m-nav .hb-item i{font-size:23px;color:var(--color-text-muted);}
  .m-nav .hb-item.active{color:var(--color-text);font-weight:500;}
  .m-nav .hb-item.active i{color:var(--color-text);}
  .m-nav .hb-item.unread{color:var(--color-text);font-weight:700;}
  .m-nav .hb-item.unread i{color:var(--color-primary);}
  .m-nav .hb-item .host{display:none;}
  .m-sec h3{font-size:18px;font-weight:800;margin:22px 10px 4px;}
}
@media (min-width:861px){.m-view{display:none;}}
@media (max-width:520px){
  .games,.guides{grid-template-columns:minmax(0,1fr);}
  .guides .guide:nth-child(3){display:flex;}
  .count .big b{font-size:64px;}
}