.v2{--ink:#111925;--ink-2:#161e2d;--ink-3:#1b2336;--border:#1e2a3a;--border-lit:#263145;--text:#c6c6d8;--text-dim:#9090aa;--white:#f2f2f6;--gold:#1D4ED8;--gold-dim:rgba(29,78,216,.12);--gold-line:rgba(29,78,216,.35);--mono:var(--font-geist-mono),"JetBrains Mono",monospace;--step--1:clamp(.75rem,1.2vw,.875rem);--step-0:clamp(1rem,1.5vw,1.1rem);--step-1:clamp(1.1rem,1.8vw,1.25rem);--step-2:clamp(1.4rem,2.4vw,1.75rem);--step-3:clamp(1.9rem,3.5vw,2.5rem);--step-4:clamp(2.8rem,5.5vw,4rem);--step-5:clamp(4rem,9vw,7rem);--gutter:clamp(1.5rem,5vw,4rem);--section-gap:clamp(5rem,10vw,9rem);background:var(--ink);color:var(--text);font-family:var(--font-geist-sans),"Inter",sans-serif;font-size:var(--step-0);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}.v2.v2[data-theme=light]{--ink:#f6f6fa;--ink-2:#ffffff;--ink-3:#ededf4;--border:#dcdce8;--border-lit:#c8c8da;--text:#4a4a60;--text-dim:#7a7a96;--white:#0f1428;--gold:#1D4ED8;--gold-dim:rgba(29,78,216,.08);--gold-line:rgba(29,78,216,.25)}.v2 .wrap{max-width:1160px;margin:0 auto;padding:0 var(--gutter)}.v2 .tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;color:var(--text-dim);display:inline-flex;align-items:center;gap:.5rem}.v2 .tag:before{content:"//";color:var(--gold)}.v2 .reveal{opacity:0;transform:translateY(26px);transition:opacity .6s cubic-bezier(.2,0,.1,1),transform .6s cubic-bezier(.2,0,.1,1)}.v2 .reveal.in{opacity:1;transform:none}.page-hero{padding:8.5rem 0 4rem}.page-hero,.page-hero-bg{border-bottom:1px solid var(--border)}.page-hero-bg{position:relative;overflow:hidden;padding-top:8.5rem}.page-hero-bg:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(29,78,216,.08) 1px,transparent 0);background-size:28px 28px;mask-image:radial-gradient(ellipse 70% 60% at 60% 40%,black,transparent);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 60% 40%,black,transparent);pointer-events:none}.breadcrumb{font-family:var(--mono);font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);display:flex;align-items:center;gap:.55rem;margin-bottom:2rem}.breadcrumb a{color:var(--text-dim);text-decoration:none;transition:color .2s}.breadcrumb a:hover{color:var(--white)}.home-btn{display:inline-flex;align-items:center;gap:.3rem;padding:.28rem .75rem;border-radius:6px;background:#2563eb;color:#ffffff!important;font-size:.76rem;font-weight:600;text-decoration:none!important;white-space:nowrap;transition:background .18s;flex-shrink:0}.home-btn:hover{background:#1d4ed8;color:#ffffff!important}.breadcrumb-sep{color:var(--border-lit)}.page-h1{font-family:Poppins,sans-serif;font-size:clamp(2.4rem,6vw,4.2rem);font-weight:900;letter-spacing:-.03em;line-height:1.1;color:var(--white);margin-bottom:1.2rem}.page-h1 em{font-style:normal;color:var(--gold)}.page-sub{font-size:var(--step-1);color:var(--text-dim);line-height:1.65;max-width:500px}.hero-meta-row{display:flex;align-items:center;gap:3rem;margin-top:2.5rem;padding-top:2.5rem;border-top:1px solid var(--border)}.hm-item{display:flex;flex-direction:column;gap:.3rem}.hm-n{font-family:Poppins,sans-serif;font-size:1.8rem;font-weight:700;color:var(--white);line-height:1}.hm-l{font-family:var(--mono);font-size:.59rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}.search-wrap{padding:2.5rem 0;border-bottom:1px solid var(--border)}.search-inner{gap:1rem}.search-box,.search-inner{display:flex;align-items:center}.search-box{flex:1;gap:.75rem;background:var(--ink-2);border:1px solid var(--border);border-radius:6px;padding:.75rem 1.2rem;transition:border-color .2s}.search-box:focus-within{border-color:var(--border-lit)}.search-icon{color:var(--text-dim);font-size:.9rem;flex-shrink:0}.search-input{flex:1;background:transparent;border:none;outline:none;color:var(--white);font-family:Inter,sans-serif;font-size:var(--step-0)}.search-input::placeholder{color:var(--text-dim)}.search-kbd{font-family:var(--mono);font-size:.55rem;letter-spacing:.07em;color:var(--text-dim);background:var(--ink-3);border:1px solid var(--border);padding:.2rem .4rem;border-radius:3px}.branch-section{padding:var(--section-gap) 0}.branch-section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:2.5rem}.branch-group-label{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}.branch-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden;margin-bottom:1px}.branch-grid.two-col{grid-template-columns:repeat(2,1fr)}.b-card{background:var(--ink-2);padding:2.2rem 2.2rem 2rem;text-decoration:none;display:flex;flex-direction:column;min-height:200px;position:relative;transition:background .22s;overflow:hidden}.b-card:hover{background:var(--ink-3)}.b-card.b-featured{min-height:260px}.b-code{font-family:var(--mono);font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);margin-bottom:auto}.b-icon{font-size:1.4rem;margin-bottom:1.2rem}.b-name{font-size:var(--step-2);font-weight:700;color:var(--white);letter-spacing:-.025em;line-height:1.15;margin-bottom:.35rem;transition:color .22s}.b-card:hover .b-name{color:var(--gold)}.b-full{font-size:var(--step--1);color:var(--text-dim);line-height:1.5}.b-arrow{font-size:1.4rem;color:var(--gold);position:absolute;bottom:1.8rem;right:2rem;opacity:.35;transition:opacity .2s,transform .2s}.b-card:hover .b-arrow{opacity:1;transform:translate(4px,-4px)}.b-ghost{position:absolute;bottom:-14px;right:-6px;font-family:Poppins,sans-serif;font-size:5.5rem;font-weight:900;color:rgba(29,78,216,.06);line-height:1;pointer-events:none;user-select:none;letter-spacing:-.06em;transition:color .25s}.b-card:hover .b-ghost{color:rgba(29,78,216,.12)}.b-pill{align-self:flex-start;font-family:var(--mono);font-size:.56rem;letter-spacing:.08em;text-transform:uppercase;padding:.22rem .65rem;border:1px solid var(--border-lit);border-radius:2px;color:var(--text-dim);margin-top:.9rem;transition:border-color .2s,color .2s}.b-card:hover .b-pill{border-color:var(--gold-line);color:var(--gold)}.foundation-row{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden;margin-bottom:1rem}.b-card-foundation{background:var(--ink-2);padding:2rem 2.2rem;text-decoration:none;display:flex;align-items:center;gap:2rem;position:relative;transition:background .22s;overflow:hidden;min-height:100px}.b-card-foundation:hover{background:var(--ink-3)}.b-f-left{flex:1}.b-f-label{font-family:var(--mono);font-size:.57rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:.4rem}.b-f-name{font-size:var(--step-2);font-weight:700;color:var(--white);letter-spacing:-.025em;transition:color .22s}.b-card-foundation:hover .b-f-name{color:var(--gold)}.b-f-sub{font-size:var(--step--1);color:var(--text-dim);margin-top:.25rem}.b-f-icon{font-size:2rem;flex-shrink:0}.b-f-arrow{font-size:1.1rem;color:var(--gold);opacity:.35;flex-shrink:0;transition:opacity .2s,transform .2s}.b-card-foundation:hover .b-f-arrow{opacity:1;transform:translate(3px,-3px)}.section-divider{padding:1.8rem 0 1.2rem;display:flex;align-items:center;gap:1.2rem}.section-divider:after{content:"";flex:1;height:1px;background:var(--border)}.section-divider span{font-family:var(--mono);font-size:.59rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);white-space:nowrap}.ev-type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden}.et-cell{background:var(--ink-2);padding:1.2rem 1.4rem;display:flex;align-items:center;gap:.9rem;transition:background .2s}.et-cell:hover{background:var(--ink-3)}.et-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.et-name{font-family:var(--mono);font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);transition:color .2s}.et-cell:hover .et-name{color:var(--white)}.et-arrow{color:var(--border-lit);font-size:.8rem;margin-left:auto;transition:color .2s}.et-cell:hover .et-arrow{color:var(--gold)}.filter-bar{padding:2rem 0;display:flex;align-items:center;gap:.35rem;flex-wrap:wrap;border-bottom:1px solid var(--border)}.fb-btn{font-family:var(--mono);font-size:.6rem;letter-spacing:.07em;text-transform:uppercase;padding:.32rem .88rem;border:1px solid var(--border-lit);border-radius:3px;background:transparent;color:var(--text-dim);transition:border-color .2s,color .2s,background .2s}.fb-btn.active,.fb-btn:hover{border-color:var(--gold-line);color:var(--gold);background:var(--gold-dim)}.events-body{padding:var(--section-gap) 0}.events-status{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.events-status h2{font-family:Poppins,sans-serif;font-size:var(--step-3);font-weight:700;color:var(--white);letter-spacing:-.03em}.ev-count,.events-status h2 span{color:var(--text-dim)}.ev-count{font-family:var(--mono);font-size:.63rem;letter-spacing:.08em}.submit-cta{margin-top:1px;padding:2.5rem 2.8rem;border:1px solid var(--border);border-radius:8px;background:var(--ink-2);display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;transition:background .2s}.submit-cta:hover{background:var(--ink-3)}.sc-label{font-family:var(--mono);font-size:.59rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-bottom:.5rem}.sc-title{font-family:Poppins,sans-serif;font-size:var(--step-2);font-weight:700;color:var(--white);letter-spacing:-.025em}.sc-sub{font-size:var(--step--1);color:var(--text-dim);margin-top:.3rem}.btn-gold-outline{font-family:var(--mono);font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;padding:.45rem 1.2rem;border:1px solid var(--gold-line);border-radius:3px;color:var(--gold);text-decoration:none;background:transparent;transition:background .2s}.btn-gold-outline:hover{background:var(--gold-dim)}.empty-state{text-align:center;padding:5rem 2rem;border:1px solid var(--border);border-radius:8px;background:var(--ink-2)}.empty-glyph{font-size:6rem;font-weight:900;color:rgba(29,78,216,.08);line-height:1;margin:0 auto 2rem;letter-spacing:-.06em}.empty-glyph,.empty-title{font-family:Poppins,sans-serif}.empty-title{font-size:var(--step-3);font-weight:700;color:var(--white);letter-spacing:-.03em;margin-bottom:.8rem}.empty-sub{font-size:var(--step-0);color:var(--text-dim);max-width:360px;margin:0 auto 2rem;line-height:1.7}.empty-actions{display:flex;justify-content:center;gap:.8rem;flex-wrap:wrap}.filter-strip{display:flex;align-items:center;gap:.35rem;flex-wrap:wrap;padding:1.5rem 0;border-bottom:1px solid var(--border)}.f-btn{font-family:var(--mono);font-size:.6rem;letter-spacing:.07em;text-transform:uppercase;padding:.3rem .85rem;border:1px solid var(--border-lit);border-radius:3px;background:transparent;color:var(--text-dim);transition:border-color .2s,color .2s,background .2s}.f-btn.active,.f-btn:hover{border-color:var(--gold-line);color:var(--gold);background:var(--gold-dim)}.featured-post-section{padding:var(--section-gap) 0;border-bottom:1px solid var(--border)}.featured-post{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;text-decoration:none}.fp-img-wrap{aspect-ratio:4/3;overflow:hidden;border-radius:4px;border:1px solid var(--border)}.fp-img-wrap img{width:100%;height:100%;object-fit:cover;filter:grayscale(.3) brightness(.55) saturate(.8);transition:transform .45s ease,filter .4s ease;display:block}.featured-post:hover .fp-img-wrap img{transform:scale(1.04);filter:grayscale(.1) brightness(.65) saturate(.9)}.fp-body{border-top:2px solid var(--gold);padding-top:2rem;transition:border-color .2s}.featured-post:hover .fp-body{border-color:var(--white)}.fp-kicker{font-family:var(--mono);font-size:.61rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem}.fp-title{font-family:Poppins,sans-serif;font-size:var(--step-3);font-weight:700;color:var(--white);letter-spacing:-.03em;line-height:1.1;margin-bottom:1.1rem;transition:color .2s}.featured-post:hover .fp-title{color:var(--gold)}.fp-excerpt{font-size:var(--step-0);color:var(--text);line-height:1.7;margin-bottom:1.4rem}.fp-meta{display:flex;align-items:center;gap:.7rem;font-size:var(--step--1);color:var(--text-dim)}.fp-read{color:var(--gold)}.posts-section{padding:var(--section-gap) 0}.posts-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:2.5rem}.posts-header h2{font-family:Poppins,sans-serif;font-size:var(--step-3);font-weight:700;color:var(--white);letter-spacing:-.03em}.posts-header h2 span{color:var(--text-dim)}.post-grid{grid-template-columns:repeat(3,1fr)}.post-grid,.post-grid-wide{display:grid;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden}.post-grid-wide{grid-template-columns:1fr 1fr;margin-top:1px}.pc{background:var(--ink-2);padding:2rem 2.2rem 2.2rem;text-decoration:none;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:background .22s;min-height:280px}.pc:hover{background:var(--ink-3)}.pc:after{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.2,0,.1,1)}.pc:hover:after{transform:scaleX(1)}.pc-cat{font-family:var(--mono);font-size:.58rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:.9rem}.pc-title{font-size:var(--step-1);font-weight:600;color:var(--white);line-height:1.3;letter-spacing:-.015em;margin-bottom:auto;padding-bottom:1.2rem;transition:color .2s}.pc:hover .pc-title{color:var(--gold)}.pc-meta{font-family:var(--mono);font-size:.58rem;color:var(--text-dim);display:flex;align-items:center;gap:.6rem;margin-top:auto}.pc-dot{width:3px;height:3px;border-radius:50%;background:var(--border-lit)}.post-count{font-family:Poppins,sans-serif;font-size:var(--step-4);font-weight:700;color:var(--white);line-height:1}.post-count-l{font-family:var(--mono);font-size:.59rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-top:.3rem}.pagination{display:flex;align-items:center;justify-content:space-between;padding:2.5rem 0;border-top:1px solid var(--border);margin-top:2.5rem;flex-wrap:wrap;gap:1rem}.pag-info{font-family:var(--mono);font-size:.6rem;letter-spacing:.07em;text-transform:uppercase;color:var(--text-dim)}.pag-btns{display:flex;gap:.4rem}.pag-btn{font-family:var(--mono);font-size:.65rem;letter-spacing:.05em;padding:.42rem .85rem;border:1px solid var(--border-lit);border-radius:4px;background:transparent;color:var(--text-dim);transition:border-color .2s,color .2s,background .2s}.pag-btn.current,.pag-btn:hover{border-color:var(--gold-line);color:var(--gold);background:var(--gold-dim)}.quiz-hero{padding:5.5rem var(--gutter) 3.5rem;border-bottom:1px solid var(--border);position:relative;overflow:hidden}.quiz-hero:before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background-image:radial-gradient(circle,rgba(29,78,216,.07) 1px,transparent 0);background-size:30px 30px;mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,#000 35%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,#000 35%,transparent 100%)}.quiz-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;align-items:end;gap:4rem}.hero-title{font-family:Poppins,sans-serif;font-size:clamp(2.4rem,6vw,4.2rem);font-weight:900;letter-spacing:-.03em;line-height:1.1;color:var(--white);margin-bottom:1rem}.hero-title em{font-style:normal;color:var(--gold)}.hero-sub{font-size:var(--step--1);color:var(--text-dim);line-height:1.85;max-width:440px}.hero-pills{display:flex;flex-direction:column;gap:.5rem;align-items:flex-end}.h-pill{display:flex;align-items:center;gap:.7rem;padding:.65rem 1.1rem;border:1px solid var(--border);border-radius:40px;background:var(--ink-2);transition:border-color .2s,background .2s}.h-pill:hover{border-color:var(--border-lit);background:var(--ink-3)}.h-pill-n{font-family:Poppins,sans-serif;font-size:1.3rem;font-weight:700;color:var(--white);line-height:1}.h-pill-l{font-family:var(--mono);font-size:.53rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}.h-pill-div{width:1px;height:24px;background:var(--border)}.cats-section{padding:3rem 0 4rem}.cats-heading{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.cats-h{font-family:Poppins,sans-serif;font-size:var(--step-2);font-weight:700;letter-spacing:-.03em;color:var(--white)}.cats-sub{font-family:var(--mono);font-size:.58rem;letter-spacing:.08em;color:var(--text-dim)}.cat-grid{grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden}.cat-card{justify-content:space-between;padding:2rem 1.75rem 1.6rem;transition:background .2s;min-height:220px}.cat-card:hover{background:var(--ink-3)}.cat-card:before{content:"";position:absolute;left:0;top:0;right:0;height:2px;background:var(--c-accent,var(--gold));transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.2,0,.1,1)}.cat-card:hover:before{transform:scaleX(1)}.cat-ghost{bottom:-18px;right:-8px;font-family:Poppins,sans-serif;font-size:6rem;color:rgba(29,78,216,.05);pointer-events:none;transition:color .3s}.cat-card:hover .cat-ghost{color:rgba(29,78,216,.1)}.cat-icon{width:42px;height:42px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--icon-bg,var(--gold-dim));color:var(--c-accent,var(--gold));margin-bottom:1.5rem;flex-shrink:0}.cat-foot{display:flex;align-items:flex-end;justify-content:space-between;position:relative;z-index:1}.cat-name{font-family:Poppins,sans-serif;font-size:1.15rem;font-weight:700;color:var(--white);letter-spacing:-.025em;line-height:1.1;margin-bottom:.35rem}.cat-count{font-family:var(--mono);font-size:.58rem;letter-spacing:.06em}.cat-arr,.cat-count{color:var(--text-dim)}.cat-arr{font-size:1.1rem;transition:color .18s,transform .18s;flex-shrink:0}.cat-card:hover .cat-arr{color:var(--c-accent,var(--gold));transform:translate(4px,-4px)}.quiz-cta-strip{padding:3rem 0;border-top:1px solid var(--border);display:grid;grid-template-columns:1fr auto;align-items:center;gap:2rem;background:var(--ink-2)}.cta-label{font-family:var(--mono);font-size:.57rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:.5rem}.cta-head{font-family:Poppins,sans-serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:700;letter-spacing:-.03em;color:var(--white);line-height:1.1}.cta-sub{font-size:var(--step--1);color:var(--text-dim);margin-top:.4rem}.cta-btns{display:flex;gap:.65rem;flex-shrink:0}.btn-gold{font-size:.8rem;font-weight:600;background:var(--gold);color:#ffffff;padding:.52rem 1.3rem;border-radius:5px;border:none;text-decoration:none;transition:opacity .18s;display:inline-flex;align-items:center}.btn-gold:hover{opacity:.85}.btn-outline-inner{font-size:.8rem;font-weight:500;background:transparent;color:var(--text);padding:.52rem 1.3rem;border-radius:5px;border:1px solid var(--border-lit);text-decoration:none;transition:border-color .18s,color .18s;display:inline-flex;align-items:center}.btn-outline-inner:hover{border-color:var(--text);color:var(--white)}.page-header-compact{margin-top:60px;padding:2rem 0 0;border-bottom:1px solid var(--border);background:var(--ink);position:relative;overflow:hidden}.page-header-compact:before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background-image:radial-gradient(circle,rgba(29,78,216,.07) 1px,transparent 0);background-size:28px 28px;-webkit-mask-image:radial-gradient(ellipse 70% 100% at 0 50%,#000 30%,transparent 100%);mask-image:radial-gradient(ellipse 70% 100% at 0 50%,#000 30%,transparent 100%)}.ph-inner{position:relative;z-index:1}.ph-top{display:flex;justify-content:space-between;margin-bottom:1.8rem;flex-wrap:wrap;gap:.8rem}.back-btn,.ph-top{align-items:center}.back-btn{display:inline-flex;gap:.45rem;font-family:var(--mono);font-size:.6rem;letter-spacing:.07em;text-transform:uppercase;color:var(--text-dim);padding:.38rem .8rem;border:1px solid var(--border);border-radius:4px;text-decoration:none;transition:color .18s,border-color .18s,background .18s}.back-btn:hover{color:var(--white);border-color:var(--border-lit);background:var(--ink-3)}.ph-title-row{display:flex;align-items:flex-end;gap:2rem;padding-bottom:1.6rem;border-bottom:1px solid var(--border)}.ph-icon{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--cat-accent,var(--gold));background:var(--cat-icon-bg,rgba(29,78,216,.12));flex-shrink:0}.ph-title{font-family:Poppins,sans-serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--white)}.ph-title em{font-style:normal;color:var(--cat-accent,var(--gold))}.ph-meta{margin-left:auto;display:flex;align-items:center;gap:1.5rem;flex-shrink:0}.ph-stat{text-align:right}.ph-stat-n{font-family:Poppins,sans-serif;font-size:1.5rem;font-weight:700;color:var(--white);line-height:1}.ph-stat-l{font-family:var(--mono);font-size:.52rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}.ph-div{width:1px;height:40px}.ph-bar,.ph-div{background:var(--border)}.ph-bar{height:2px;position:relative}.ph-bar-fill{position:absolute;left:0;top:0;height:100%;background:linear-gradient(90deg,var(--cat-accent,var(--gold)),transparent);transition:width .4s ease}.qs-page-body{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 200px)}.qs-sidebar{border-right:1px solid var(--border);position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto;scrollbar-width:none;background:var(--ink);flex-shrink:0}.qs-sidebar::-webkit-scrollbar{display:none}.sidebar-head{padding:1.1rem 1.25rem .75rem;border-bottom:1px solid var(--border)}.sidebar-label{font-family:var(--mono);font-size:.55rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim)}.cat-nav{list-style:none;padding:.5rem 0}.scat-div{height:1px;background:var(--border);margin:.4rem 1.25rem}.scat-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.72rem 1.25rem;border:none;background:transparent;font-family:Inter,sans-serif;font-size:.8rem;font-weight:500;color:var(--text-dim);text-align:left;position:relative;cursor:pointer;transition:color .15s,background .15s}.scat-btn:before{content:"";position:absolute;left:0;top:15%;bottom:15%;width:2px;background:var(--scat-accent,var(--gold));border-radius:0 1px 1px 0;transform:scaleY(0);transition:transform .2s cubic-bezier(.2,0,.1,1)}.scat-btn:hover{color:var(--white);background:var(--ink-2)}.scat-btn.active{color:var(--white);background:var(--ink-3)}.scat-btn.active:before{transform:scaleY(1)}.scat-icon{width:22px;height:22px;border-radius:5px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-right:.6rem;color:var(--scat-accent,var(--gold));transition:background .15s}.scat-btn.active .scat-icon,.scat-btn:hover .scat-icon{background:rgba(255,255,255,.05)}.scat-label{flex:1;line-height:1.2}.scat-count{font-family:var(--mono);font-size:.54rem;letter-spacing:.04em;color:var(--text-dim);background:var(--border);padding:.1rem .42rem;border-radius:2px;flex-shrink:0;transition:background .15s,color .15s}.scat-btn.active .scat-count{background:rgba(29,78,216,.12);color:var(--gold)}.qs-main{min-width:0}.section-bar{display:flex;align-items:center;justify-content:space-between;padding:.8rem var(--gutter);border-bottom:1px solid var(--border);background:var(--ink);position:sticky;top:60px;z-index:100}.sb-title{font-family:Poppins,sans-serif;font-size:var(--step-2);font-weight:700;letter-spacing:-.03em;color:var(--white)}.sb-count,.sb-title span{color:var(--text-dim)}.sb-count{font-family:var(--mono);font-size:.58rem;letter-spacing:.08em}.q-header{display:grid;grid-template-columns:50px 1fr 140px 92px 70px 46px;align-items:center;padding:0 var(--gutter);height:34px;border-bottom:1px solid var(--border);background:rgba(9,9,11,.6);backdrop-filter:blur(8px);position:sticky;top:calc(60px + 48px);z-index:90}.q-col-label{font-family:var(--mono);font-size:.51rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}.q-col-label.right{text-align:right}.q-row{display:grid;grid-template-columns:50px 1fr 140px 92px 70px 46px;align-items:center;padding:0 var(--gutter);min-height:60px;border-bottom:1px solid var(--border);background:var(--ink-2);position:relative;overflow:hidden;text-decoration:none;transition:background .14s}.q-row:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent,var(--gold));transform:scaleY(0);transition:transform .2s cubic-bezier(.2,0,.1,1)}.q-row:hover{background:var(--ink-3)}.q-row:hover:before{transform:scaleY(1)}.q-row:nth-child(2n){background:var(--ink)}.q-row:nth-child(2n):hover{background:var(--ink-3)}.q-idx{font-family:Poppins,sans-serif;font-size:1rem;font-weight:700;color:var(--border-lit);line-height:1;padding-left:2px;transition:color .18s}.q-row:hover .q-idx{color:var(--accent,var(--gold))}.q-name{font-size:.86rem;font-weight:600;color:var(--white);letter-spacing:-.01em;line-height:1.3;display:flex;align-items:center;gap:.45rem;flex-wrap:wrap}.q-new{font-size:.45rem;letter-spacing:.1em;text-transform:uppercase;background:rgba(29,78,216,.12);color:var(--gold);padding:.1rem .38rem;border-radius:2px;border:1px solid rgba(29,78,216,.3)}.q-new,.q-sub{font-family:var(--mono)}.q-sub{font-size:.57rem;letter-spacing:.03em;color:var(--text-dim);margin-top:.18rem}.q-cat{font-family:var(--mono);font-size:.54rem;letter-spacing:.07em;text-transform:uppercase;display:inline-flex;align-items:center;padding:.18rem .55rem;border-radius:3px;white-space:nowrap;border:1px solid transparent}.cat-tech{background:rgba(130,170,255,.08);color:#82aaff;border-color:rgba(130,170,255,.2)}.cat-quant{background:rgba(74,222,128,.07);color:#4ade80;border-color:rgba(74,222,128,.18)}.cat-verbal{background:rgba(251,191,36,.08);color:#fbbf24;border-color:rgba(251,191,36,.2)}.cat-logic{background:rgba(167,139,250,.08);color:#a78bfa;border-color:rgba(167,139,250,.2)}.cat-gk{background:rgba(29,78,216,.08);color:var(--gold);border-color:rgba(29,78,216,.25)}.cat-code{background:rgba(248,113,113,.08);color:#f87171;border-color:rgba(248,113,113,.2)}.cat-company{background:rgba(148,163,184,.07);color:#94a3b8;border-color:rgba(148,163,184,.18)}.q-diff{display:flex;align-items:center;gap:.35rem;font-family:var(--mono);font-size:.57rem;color:var(--text-dim)}.diff-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.diff-dot.easy{background:#4ade80}.diff-dot.med{background:#fbbf24}.diff-dot.hard{background:#f87171}.diff-dot.any{background:var(--gold)}.q-qs{font-family:var(--mono);font-size:.58rem;text-align:right}.q-arr,.q-qs{color:var(--text-dim)}.q-arr{display:flex;align-items:center;justify-content:flex-end;font-size:.9rem;padding-right:2px;transition:color .18s,transform .18s}.q-row:hover .q-arr{color:var(--accent,var(--gold));transform:translate(4px,-4px)}.qs-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5rem var(--gutter);text-align:center;gap:1rem;border-bottom:1px solid var(--border)}.es-num{font-family:Poppins,sans-serif;font-size:6rem;font-weight:900;color:rgba(29,78,216,.08);line-height:1}.es-msg{font-size:var(--step--1);color:var(--text-dim)}.es-link{font-family:var(--mono);font-size:.6rem;letter-spacing:.07em;text-transform:uppercase;color:var(--gold);text-decoration:underline;text-underline-offset:3px}.qs-cta-strip{padding:3rem var(--gutter);border-top:1px solid var(--border);display:grid;grid-template-columns:1fr auto;align-items:center;gap:2rem;background:var(--ink-2)}@media (max-width:960px){.branch-grid{grid-template-columns:1fr 1fr}.featured-post{grid-template-columns:1fr}.post-grid{grid-template-columns:1fr 1fr}.post-grid-wide{grid-template-columns:1fr}.ev-type-grid{grid-template-columns:repeat(2,1fr)}.quiz-hero-inner{grid-template-columns:1fr}.hero-pills{flex-direction:row;align-items:flex-start}.cat-grid{grid-template-columns:repeat(2,1fr)}.hero-inner-events,.qs-page-body,.quiz-cta-strip{grid-template-columns:1fr}.qs-sidebar{display:none}.q-header,.q-row{grid-template-columns:40px 1fr 120px 80px 40px}.q-qs{display:none}}@media (max-width:640px){.branch-grid,.branch-grid.two-col,.foundation-row,.post-grid{grid-template-columns:1fr}.cat-grid{grid-template-columns:1fr 1fr}.cat-card{min-height:170px;padding:1.5rem 1.25rem 1.3rem}.q-header,.q-row{grid-template-columns:34px 1fr 108px 36px}.q-diff{display:none}.qs-cta-strip{grid-template-columns:1fr}.ph-meta{display:none}}.auth-page{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:calc(58px + 1rem) var(--gutter) 2rem;gap:.75rem;background:radial-gradient(ellipse 80% 60% at 50% -10%,rgba(37,99,235,.18) 0,transparent 70%),#0b0d14;position:relative}.auth-bg{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(29,78,216,.06) 1px,transparent 0);background-size:26px 26px;pointer-events:none}.auth-card{width:100%;max-width:440px;background:var(--ink-2);border:1px solid var(--border);border-radius:16px;padding:1.5rem 2rem 1.6rem;flex-direction:column;position:relative;z-index:1;box-shadow:0 4px 40px rgba(0,0,0,.3)}.auth-card,.auth-icon-wrap{display:flex;align-items:center}.auth-icon-wrap{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,#3b66f5,#1d3fc7);justify-content:center;margin-bottom:1.2rem;box-shadow:0 4px 18px rgba(29,78,216,.4)}.auth-title{font-family:Poppins,sans-serif;font-size:1.6rem;font-weight:700;color:var(--white);text-align:center;letter-spacing:-.025em;margin-bottom:.35rem}.auth-sub{font-size:var(--step--1);color:var(--text-dim);text-align:center;margin-bottom:.9rem}.auth-google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:.65rem;background:transparent;border:1.5px solid var(--border-lit);border-radius:8px;padding:.6rem 1rem;color:var(--white);font-family:Inter,sans-serif;font-size:var(--step--1);font-weight:500;cursor:pointer;transition:border-color .18s,background .18s}.auth-google-btn:hover{border-color:#4285f4;background:rgba(66,133,244,.05)}.auth-divider{width:100%;display:flex;align-items:center;gap:.8rem;margin:.85rem 0}.auth-divider:after,.auth-divider:before{content:"";flex:1;height:1px;background:var(--border)}.auth-divider span{font-family:var(--mono);font-size:.58rem;letter-spacing:.07em;text-transform:uppercase;color:var(--text-dim);white-space:nowrap}.auth-form{width:100%;gap:.7rem}.auth-field,.auth-form{display:flex;flex-direction:column}.auth-field{gap:.4rem}.auth-label{font-size:.8rem;font-weight:600;color:var(--text);letter-spacing:.01em}.auth-input-wrap{position:relative;display:flex;align-items:center}.auth-input-icon{position:absolute;left:.85rem;color:var(--text-dim);pointer-events:none;flex-shrink:0}.auth-input{width:100%;background:var(--ink);border:1.5px solid var(--border);border-radius:8px;padding:.65rem .85rem .65rem 2.5rem;color:var(--white);font-family:Inter,sans-serif;font-size:var(--step--1);outline:none;transition:border-color .18s;appearance:none;-webkit-appearance:none}.auth-input::placeholder{color:var(--text-dim)}.auth-input:focus{border-color:#2563eb}.auth-pw-toggle{position:absolute;right:.85rem;background:none;border:none;cursor:pointer;color:var(--text-dim);display:flex;align-items:center;transition:color .18s}.auth-pw-toggle:hover{color:var(--white)}.auth-select-wrap .auth-input{padding-right:2.2rem}.auth-select{cursor:pointer;background-image:none}.auth-select option{background:var(--ink-2);color:var(--white)}.auth-select-arrow{position:absolute;right:.85rem;color:var(--text-dim);pointer-events:none}.auth-forgot{font-size:.78rem;color:#2563eb;text-decoration:none;transition:color .15s}.auth-forgot:hover{color:#1d4ed8;text-decoration:underline}.auth-submit-btn{width:100%;margin-top:.4rem;display:flex;align-items:center;justify-content:center;gap:.6rem;background:#2563eb;color:#fff;font-family:Inter,sans-serif;font-size:1rem;font-weight:600;border:none;border-radius:8px;padding:.8rem 1rem;cursor:pointer;transition:background .18s,transform .15s}.auth-submit-btn:hover{background:#1d4ed8;transform:translateY(-1px)}.auth-submit-btn:active{transform:none}.auth-switch{margin-top:1.2rem;font-size:.85rem;color:var(--text-dim)}.auth-switch-link{color:#2563eb;font-weight:600;text-decoration:none;transition:color .15s}.auth-switch-link:hover{color:#1d4ed8;text-decoration:underline}.auth-legal{margin-top:.8rem;font-size:.72rem;color:var(--text-dim);text-align:center;line-height:1.6}.auth-legal a{color:#2563eb;text-decoration:none}.auth-legal a:hover{text-decoration:underline}.auth-back{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:rgba(242,242,246,.65);font-weight:600;text-decoration:none;position:relative;z-index:1;transition:color .18s}.auth-back:hover{color:var(--white)}.v2[data-theme=light] .auth-back{color:rgba(15,20,40,.6)}.v2[data-theme=light] .auth-back:hover{color:#0d0d1a}.v2[data-theme=light] .auth-page{background:radial-gradient(ellipse 80% 60% at 50% -10%,rgba(37,99,235,.12) 0,transparent 70%),#f0f3fb}.v2[data-theme=light] .auth-card{background:#ffffff;box-shadow:0 4px 40px rgba(0,0,0,.1);border-color:var(--border)}.v2[data-theme=light] .auth-input{background:#f7f7fb;border-color:var(--border);color:#0d0d1a}.v2[data-theme=light] .auth-input:focus{border-color:#2563eb}.v2[data-theme=light] .auth-google-btn{color:#0d0d1a;border-color:var(--border)}@media (max-width:480px){.auth-card{padding:1.8rem 1.2rem 1.6rem;border-radius:12px}.auth-title{font-size:1.35rem}}.ud-page{padding-top:58px;min-height:100vh;background:var(--ink)}.ud-greeting-strip{border-bottom:1px solid var(--border);background:var(--ink-2);padding:2rem var(--gutter)}.ud-greeting-inner{max-width:1160px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}.ud-greeting-tag{font-family:var(--mono);font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:.4rem;display:flex;align-items:center;gap:.5rem}.ud-greeting-tag:before{content:"//"}.ud-greeting-name{font-family:Fraunces,serif;font-size:clamp(1.6rem,3.5vw,2.2rem);font-weight:900;letter-spacing:-.025em;color:var(--white);line-height:1.1}.ud-greeting-sub{font-size:.82rem;color:var(--text-dim);margin-top:.35rem}.ud-streak-pill{display:flex;align-items:center;gap:.5rem;background:var(--ink-3);border:1px solid var(--border-lit);border-radius:99px;padding:.5rem 1.1rem;font-family:var(--mono);font-size:.8rem;color:var(--white);white-space:nowrap;flex-shrink:0}.ud-streak-fire{font-size:1.1rem}.ud-streak-count{font-size:1.15rem;font-weight:700;color:#f97316}.ud-avatar{width:52px;height:52px;border-radius:50%;background:var(--gold-dim);border:2px solid var(--gold-line);display:flex;align-items:center;justify-content:center;font-family:Fraunces,serif;font-size:1.3rem;font-weight:900;color:var(--gold);flex-shrink:0}.ud-main{max-width:1160px;margin:0 auto;padding:2.2rem var(--gutter) 5rem;display:flex;flex-direction:column;gap:2.5rem}.ud-section-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.1rem}.ud-section-title{font-size:.68rem;font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);display:flex;align-items:center;gap:.45rem}.ud-section-title:before{content:"//";color:var(--gold)}.ud-section-link{font-size:.75rem;font-family:var(--mono);color:var(--text-dim);text-decoration:none;display:flex;align-items:center;gap:.3rem;transition:color .15s}.ud-section-link:hover{color:var(--gold)}.ud-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}@media (max-width:860px){.ud-stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:480px){.ud-stats-grid{grid-template-columns:1fr 1fr}}.ud-stat-card{background:var(--ink-2);border:1px solid var(--border);border-radius:12px;padding:1.2rem 1.3rem;position:relative;overflow:hidden}.ud-stat-card:before{content:attr(data-ghost);position:absolute;right:-.3rem;bottom:-.6rem;font-family:Fraunces,serif;font-size:4.2rem;font-weight:900;color:var(--white);opacity:.04;user-select:none;line-height:1}.ud-stat-label{font-family:var(--mono);font-size:.62rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:.55rem}.ud-stat-value{font-family:Fraunces,serif;font-size:2.1rem;font-weight:900;line-height:1;color:var(--white);letter-spacing:-.025em;margin-bottom:.35rem}.ud-stat-sub{font-size:.72rem;color:var(--text-dim);display:flex;align-items:center;gap:.3rem}.ud-stat-delta{color:#22c55e;font-family:var(--mono);font-size:.68rem}.ud-stat-delta.down{color:#f87171}.ud-actions-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem}@media (max-width:860px){.ud-actions-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:480px){.ud-actions-grid{grid-template-columns:1fr 1fr}}.ud-action-card{background:var(--ink-2);border:1px solid var(--border);border-radius:10px;padding:1.1rem 1.1rem .95rem;text-decoration:none;display:flex;flex-direction:column;gap:.6rem;transition:border-color .15s,transform .18s}.ud-action-card:hover{border-color:var(--border-lit);transform:translateY(-2px)}.ud-action-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}.ud-action-label{font-size:.83rem;font-weight:600;color:var(--white)}.ud-action-sub{font-size:.72rem;color:var(--text-dim)}.ud-action-arrow{font-family:var(--mono);font-size:.68rem;color:var(--text-dim);margin-top:auto;display:flex;align-items:center;gap:.25rem}.ud-courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}@media (max-width:860px){.ud-courses-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:520px){.ud-courses-grid{grid-template-columns:1fr}}.ud-course-card{background:var(--ink-2);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:border-color .15s,transform .18s;text-decoration:none}.ud-course-card:hover{border-color:var(--border-lit);transform:translateY(-2px)}.ud-course-card-top{padding:1.1rem 1.2rem .9rem;border-bottom:1px solid var(--border);display:flex;align-items:flex-start;justify-content:space-between;position:relative;overflow:hidden}.ud-course-ghost{position:absolute;right:.8rem;top:.4rem;font-family:Fraunces,serif;font-size:3.8rem;font-weight:900;color:var(--white);opacity:.06;user-select:none;line-height:1}.ud-course-lang{font-size:1.05rem;font-weight:700;color:var(--white);position:relative;z-index:1}.ud-course-num{font-family:var(--mono);font-size:.6rem;color:var(--text-dim);margin-bottom:.3rem}.ud-course-status{font-family:var(--mono);font-size:.62rem;padding:.18rem .5rem;border-radius:99px;font-weight:600;white-space:nowrap;position:relative;z-index:1}.ud-course-status.active{background:var(--gold-dim);color:var(--gold);border:1px solid var(--gold-line)}.ud-course-status.done{background:rgba(34,197,94,.12);color:#22c55e;border:1px solid rgba(34,197,94,.3)}.ud-course-status.locked{background:var(--ink-3);color:var(--text-dim);border:1px solid var(--border)}.ud-course-card-body{padding:.95rem 1.2rem 1.1rem;flex:1;display:flex;flex-direction:column;gap:.7rem}.ud-course-progress-label{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.65rem;color:var(--text-dim);margin-bottom:.3rem}.ud-course-progress-bar{height:5px;border-radius:99px;background:var(--border);overflow:hidden}.ud-course-progress-fill{height:100%;border-radius:99px;background:var(--gold);transition:width .6s cubic-bezier(.4,0,.2,1)}.ud-course-progress-fill.done-fill{background:#22c55e}.ud-course-meta{display:flex;gap:.8rem;font-family:var(--mono);font-size:.65rem;color:var(--text-dim)}.ud-course-meta span{display:flex;align-items:center;gap:.28rem}.ud-course-cta{font-family:var(--mono);font-size:.7rem;color:var(--gold);display:flex;align-items:center;gap:.3rem;margin-top:auto}.ud-course-cta.locked-txt{color:var(--text-dim)}.ud-xp-layout{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}@media (max-width:680px){.ud-xp-layout{grid-template-columns:1fr}}.ud-level-card{background:var(--ink-2);border:1px solid var(--border);border-radius:12px;padding:1.5rem 1.6rem;display:flex;flex-direction:column;gap:1rem}.ud-level-top{gap:1rem}.ud-level-badge,.ud-level-top{display:flex;align-items:center}.ud-level-badge{width:56px;height:56px;border-radius:50%;background:var(--gold-dim);border:2px solid var(--gold-line);justify-content:center;font-family:Fraunces,serif;font-size:1.5rem;font-weight:900;color:var(--gold);flex-shrink:0}.ud-level-label{font-family:var(--mono);font-size:.62rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;margin-bottom:.2rem}.ud-level-name{font-size:1.1rem;font-weight:700;color:var(--white)}.ud-level-xp-row{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.7rem;color:var(--text-dim);margin-bottom:.35rem}.ud-level-bar{height:8px;border-radius:99px;background:var(--border);overflow:hidden}.ud-level-fill{height:100%;border-radius:99px;background:var(--gold)}.ud-next-level{font-size:.73rem;color:var(--text-dim);display:flex;align-items:center;gap:.35rem}.ud-next-level strong{color:var(--text)}.ud-streak-card{background:var(--ink-2);border:1px solid var(--border);border-radius:12px;padding:1.5rem 1.6rem}.ud-streak-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.2rem}.ud-streak-stat{display:flex;align-items:baseline;gap:.4rem}.ud-streak-big{font-family:Fraunces,serif;font-size:2.4rem;font-weight:900;color:#f97316;line-height:1}.ud-streak-best,.ud-streak-unit{font-family:var(--mono);font-size:.7rem;color:var(--text-dim)}.ud-streak-best{text-align:right}.ud-streak-best strong{color:var(--text);display:block;font-size:.9rem}.ud-calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.ud-cal-day-label{font-family:var(--mono);font-size:.55rem;color:var(--text-dim);text-align:center;margin-bottom:2px;letter-spacing:.03em}.ud-cal-cell{aspect-ratio:1;border-radius:4px;background:var(--border)}.ud-cal-cell.done{background:var(--gold)}.ud-cal-cell.today{background:#f97316;box-shadow:0 0 0 2px rgba(249,115,22,.3)}.ud-cal-cell.partial{background:var(--gold-dim);border:1px solid var(--gold-line)}.ud-quiz-layout{display:grid;grid-template-columns:2fr 1fr;gap:1.2rem}@media (max-width:720px){.ud-quiz-layout{grid-template-columns:1fr}}.ud-quiz-list-card{background:var(--ink-2);border:1px solid var(--border);border-radius:12px;overflow:hidden}.ud-quiz-item{display:flex;align-items:center;gap:1rem;padding:.95rem 1.2rem;border-bottom:1px solid var(--border);transition:background .12s}.ud-quiz-item:last-child{border-bottom:none}.ud-quiz-item:hover{background:var(--ink-3)}.ud-quiz-subject{flex:1;min-width:0}.ud-quiz-name{font-size:.85rem;color:var(--white);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:.18rem}.ud-quiz-meta{font-family:var(--mono);font-size:.64rem;color:var(--text-dim);display:flex;align-items:center;gap:.6rem}.ud-quiz-score-bar{width:90px;flex-shrink:0}.ud-quiz-bar-track{height:5px;border-radius:99px;background:var(--border);margin-bottom:.25rem;overflow:hidden}.ud-quiz-bar-fill{height:100%;border-radius:99px}.ud-quiz-pct{font-family:var(--mono);font-size:.68rem;color:var(--text-dim);text-align:right}.ud-quiz-rank-badge{font-family:var(--mono);font-size:.65rem;padding:.18rem .45rem;border-radius:4px;font-weight:600;flex-shrink:0}.ud-quiz-rank-badge.high{background:rgba(34,197,94,.12);color:#22c55e}.ud-quiz-rank-badge.mid{background:var(--gold-dim);color:var(--gold)}.ud-quiz-rank-badge.low{background:rgba(248,113,113,.1);color:#f87171}.ud-score-summary-card{background:var(--ink-2);border:1px solid var(--border);border-radius:12px;padding:1.5rem 1.3rem;display:flex;flex-direction:column;align-items:center;gap:.9rem;justify-content:center}.ud-radial{position:relative;width:110px;height:110px;flex-shrink:0}.ud-radial svg{transform:rotate(-90deg)}.ud-radial-bg{fill:none;stroke:var(--border);stroke-width:8}.ud-radial-fill{fill:none;stroke:var(--gold);stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset .8s cubic-bezier(.4,0,.2,1)}.ud-radial-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.ud-radial-pct{font-family:Fraunces,serif;font-size:1.7rem;font-weight:900;color:var(--white);line-height:1}.ud-radial-label{font-family:var(--mono);font-size:.55rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em}.ud-score-row{display:flex;justify-content:space-between;align-items:center;font-size:.78rem;margin-bottom:.45rem;color:var(--text-dim)}.ud-score-row:last-child{margin-bottom:0}.ud-score-dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:.35rem}.ud-events-list{display:flex;flex-direction:column;gap:.75rem}.ud-event-card{background:var(--ink-2);border:1px solid var(--border);border-radius:10px;padding:1rem 1.2rem;display:flex;align-items:center;gap:1.1rem;transition:border-color .15s;text-decoration:none}.ud-event-card:hover{border-color:var(--border-lit)}.ud-event-date{width:50px;flex-shrink:0;text-align:center;background:var(--ink-3);border:1px solid var(--border);border-radius:8px;padding:.45rem .5rem}.ud-event-month{font-family:var(--mono);font-size:.55rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);margin-bottom:.1rem}.ud-event-day{font-family:Fraunces,serif;font-size:1.35rem;font-weight:900;color:var(--white);line-height:1}.ud-event-body{flex:1;min-width:0}.ud-event-title{font-size:.88rem;font-weight:600;color:var(--white);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:.2rem}.ud-event-meta{font-family:var(--mono);font-size:.65rem;color:var(--text-dim);display:flex;align-items:center;gap:.7rem}.ud-event-tag{font-family:var(--mono);font-size:.62rem;font-weight:600;padding:.2rem .55rem;border-radius:99px;flex-shrink:0}.ud-event-tag.hackathon{background:rgba(167,139,250,.12);color:#a78bfa;border:1px solid rgba(167,139,250,.25)}.ud-event-tag.webinar{background:var(--gold-dim);color:var(--gold);border:1px solid var(--gold-line)}.ud-event-tag.workshop{background:rgba(34,211,238,.1);color:#22d3ee;border:1px solid rgba(34,211,238,.2)}.ud-event-tag.contest{background:rgba(34,197,94,.12);color:#22c55e;border:1px solid rgba(34,197,94,.25)}.ud-lb-layout{display:grid;grid-template-columns:1fr 340px;gap:1.2rem}@media (max-width:760px){.ud-lb-layout{grid-template-columns:1fr}}.ud-lb-card{background:var(--ink-2);border:1px solid var(--border);border-radius:12px;overflow:hidden}.ud-lb-header{padding:.65rem 1.2rem;font-family:var(--mono);font-size:.6rem;text-transform:uppercase;letter-spacing:.07em;color:var(--text-dim)}.ud-lb-header,.ud-lb-row{display:grid;grid-template-columns:2.5rem 1fr 80px 60px;gap:.5rem;border-bottom:1px solid var(--border)}.ud-lb-row{align-items:center;padding:.75rem 1.2rem;transition:background .12s}.ud-lb-row:last-child{border-bottom:none}.ud-lb-row:hover{background:var(--ink-3)}.ud-lb-row.me-row{background:var(--gold-dim);border-color:var(--gold-line)}.ud-rank{font-family:Fraunces,serif;font-size:1.1rem;font-weight:900;color:var(--text-dim);text-align:center}.ud-rank.gold{color:#fbbf24}.ud-rank.silver{color:#94a3b8}.ud-rank.bronze{color:#a16207}.ud-rank.me{color:var(--gold)}.ud-lb-user{gap:.65rem;min-width:0}.ud-lb-avatar,.ud-lb-user{display:flex;align-items:center}.ud-lb-avatar{width:30px;height:30px;border-radius:50%;background:var(--ink-3);border:1px solid var(--border);justify-content:center;font-size:.75rem;font-family:var(--mono);color:var(--text-dim);flex-shrink:0}.ud-lb-avatar.me-av{background:var(--gold-dim);color:var(--gold);border-color:var(--gold-line)}.ud-lb-uname{font-size:.83rem;color:var(--white);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ud-lb-uname.me-name{color:var(--gold);font-weight:600}.ud-lb-usn{font-size:.62rem;color:var(--text-dim)}.ud-lb-usn,.ud-lb-xp{font-family:var(--mono)}.ud-lb-xp{font-size:.78rem;color:var(--text);text-align:right}.ud-lb-badge-cell{display:flex;justify-content:flex-end}.ud-tier-badge{font-family:var(--mono);font-size:.58rem;font-weight:700;padding:.15rem .4rem;border-radius:4px;text-transform:uppercase;letter-spacing:.05em}.ud-tier-badge.gold-tier{background:rgba(251,191,36,.12);color:#fbbf24;border:1px solid rgba(251,191,36,.25)}.ud-tier-badge.silver-tier{background:rgba(148,163,184,.1);color:#94a3b8;border:1px solid rgba(148,163,184,.2)}.ud-tier-badge.blue-tier{background:var(--gold-dim);color:var(--gold);border:1px solid var(--gold-line)}.ud-rank-card{background:var(--ink-2);border:1px solid var(--border);border-radius:12px;padding:1.5rem 1.4rem;flex-direction:column;gap:1.1rem;text-align:center}.ud-rank-card,.ud-rank-trophy{display:flex;align-items:center}.ud-rank-trophy{width:64px;height:64px;border-radius:50%;background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.25);justify-content:center;font-size:1.8rem}.ud-rank-num{font-family:Fraunces,serif;font-size:3.5rem;font-weight:900;color:var(--white);line-height:1}.ud-rank-num span{color:var(--gold)}.ud-rank-of{color:var(--text-dim)}.ud-rank-of,.ud-rank-tier{font-family:var(--mono);font-size:.7rem}.ud-rank-tier{background:var(--gold-dim);border:1px solid var(--gold-line);color:var(--gold);padding:.3rem .8rem;border-radius:99px}.ud-rank-stats{width:100%;display:flex;flex-direction:column;gap:.55rem}.ud-rank-stat-row{display:flex;justify-content:space-between;font-size:.78rem;color:var(--text-dim);padding:.45rem .6rem;background:var(--ink-3);border-radius:6px;border:1px solid var(--border)}.ud-rank-stat-row span:last-child{color:var(--white);font-weight:500;font-family:var(--mono);font-size:.75rem}@media (max-width:640px){.ud-greeting-strip{padding:1.4rem 1.2rem}.ud-greeting-inner{flex-direction:column;align-items:flex-start;gap:1rem}.ud-streak-pill{align-self:flex-start}.ud-greeting-name{font-size:clamp(1.4rem,7vw,1.8rem)}.ud-main{padding:1.5rem 1.2rem 4rem;gap:2rem}.ud-xp-bar-wrap{flex-direction:column;align-items:flex-start;gap:.5rem}.ud-ev-mode,.ud-qs-date{display:none}}@media (max-width:390px){.ud-actions-grid,.ud-stats-grid{grid-template-columns:1fr 1fr}.ud-courses-grid{grid-template-columns:1fr}.ud-stat-value{font-size:1.7rem}}.courses-page{padding-top:58px;min-height:100vh}.cat-hero{border-bottom:1px solid var(--border);padding:clamp(3.5rem,8vw,6rem) var(--gutter) clamp(2.5rem,6vw,4rem);position:relative;overflow:hidden}.cat-hero:before{content:"";position:absolute;inset:0;z-index:0;background-image:radial-gradient(circle,var(--border) 1px,transparent 1px);background-size:36px 36px;mask-image:radial-gradient(ellipse 60% 80% at 80% 50%,black,transparent);-webkit-mask-image:radial-gradient(ellipse 60% 80% at 80% 50%,black,transparent);opacity:.45}.cat-hero-inner{position:relative;z-index:1;max-width:1160px;margin:0 auto}.cat-kicker{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:1.2rem;display:flex;align-items:center;gap:.7rem}.cat-kicker:before{content:"";width:22px;height:1px;background:var(--gold);display:block}.cat-hero h1{font-family:Poppins,sans-serif;font-size:clamp(2.4rem,6vw,4.2rem);font-weight:900;line-height:1.1;letter-spacing:-.03em;color:var(--white);margin-bottom:1rem}.cat-hero h1 em{font-style:normal;color:var(--gold)}.cat-hero p{font-size:clamp(.9rem,1.6vw,1.05rem);color:var(--text);max-width:520px;line-height:1.7}.cat-filters{display:flex;align-items:center;gap:.6rem;padding:1.4rem var(--gutter);border-bottom:1px solid var(--border);max-width:1160px;margin:0 auto}.filter-btn{padding:.38rem .9rem;border-radius:99px;font-size:.78rem;font-weight:500;border:1px solid var(--border);background:transparent;color:var(--text-dim);cursor:pointer;transition:all .15s}.filter-btn:hover{border-color:var(--border-lit);color:var(--white)}.filter-btn.active{background:var(--gold-dim);border-color:var(--gold-line);color:var(--gold)}.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:1.25rem;padding:2rem var(--gutter);max-width:1160px;margin:0 auto}.cat-card{background:var(--ink-2);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;position:relative;transition:border-color .2s,transform .2s;text-decoration:none}.cat-card:hover{border-color:var(--border-lit);transform:translateY(-3px)}.cat-card.soon{opacity:.65;pointer-events:none}.cat-card-top{padding:1.8rem 1.6rem 1.4rem;position:relative;border-bottom:1px solid var(--border);display:flex;align-items:flex-start;justify-content:space-between}.cat-ghost{font-family:Fraunces,serif;font-size:4.5rem;font-weight:900;line-height:1;letter-spacing:-.04em;opacity:.07;position:absolute;right:1.2rem;top:.8rem;user-select:none;color:var(--white)}.cat-card-num{font-family:var(--mono);font-size:.62rem;color:var(--text-dim);letter-spacing:.08em;margin-bottom:.5rem}.cat-card-lang{font-size:1.35rem;font-weight:700;color:var(--white)}.cat-badge,.cat-card-lang{position:relative;z-index:1}.cat-badge{font-family:var(--mono);font-size:.62rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;padding:.2rem .55rem;border-radius:99px;flex-shrink:0}.cat-badge.free{background:rgba(34,197,94,.12);color:#22c55e;border:1px solid rgba(34,197,94,.3)}.cat-badge.new{background:var(--gold-dim);color:var(--gold);border:1px solid var(--gold-line)}.cat-badge.soon{background:rgba(148,163,184,.1);color:#94a3b8;border:1px solid rgba(148,163,184,.2)}.cat-card-body{padding:1.2rem 1.6rem 1.4rem;flex:1}.cat-card-tagline{font-size:.78rem;font-family:var(--mono);color:var(--text-dim);margin-bottom:.6rem}.cat-card-desc{font-size:.84rem;color:var(--text);line-height:1.65;margin-bottom:1rem}.cat-card-meta{display:flex;align-items:center;gap:1rem;font-family:var(--mono);font-size:.68rem;color:var(--text-dim)}.cat-card-meta span{display:flex;align-items:center;gap:.3rem}.cat-card-footer{padding:1rem 1.6rem;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.cat-price{font-family:var(--mono);font-size:1rem;font-weight:700;color:var(--white)}.cat-price.free{color:#22c55e}.cat-price-original{font-family:var(--mono);font-size:.72rem;color:var(--text-dim);text-decoration:line-through;margin-left:.35rem}.cat-card-cta{font-size:.78rem;font-weight:600;padding:.42rem .95rem;border-radius:6px;border:1px solid var(--gold-line);background:var(--gold-dim);color:var(--gold);transition:background .15s,border-color .15s;white-space:nowrap}.cat-card:hover .cat-card-cta{background:var(--gold);color:#fff;border-color:var(--gold)}.cat-card-cta.soon-cta{border-color:var(--border);background:transparent;color:var(--text-dim)}.detail-page{max-width:1200px;margin:0 auto;padding:2.5rem var(--gutter) 5rem;display:grid;grid-template-columns:1fr 340px;gap:3rem;align-items:start}@media (max-width:860px){.detail-page{grid-template-columns:1fr}.detail-sticky{position:static!important}}.detail-breadcrumb{grid-column:1/-1;display:flex;align-items:center;gap:.5rem;font-size:.78rem;color:var(--text-dim);margin-bottom:-.5rem}.detail-breadcrumb a{color:var(--text-dim);text-decoration:none}.detail-breadcrumb a:hover{color:var(--white)}.detail-breadcrumb span{color:var(--border-lit)}.detail-header{margin-bottom:2rem}.detail-badge-row{display:flex;align-items:center;gap:.65rem;margin-bottom:.9rem}.detail-lang-badge{font-family:var(--mono);font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;padding:.22rem .6rem;border-radius:4px;border:1px solid var(--border);color:var(--text-dim)}.detail-title{font-family:Poppins,sans-serif;font-size:clamp(2rem,4.5vw,3rem);font-weight:900;line-height:1.1;letter-spacing:-.025em;color:var(--white);margin-bottom:.7rem}.detail-title em{font-style:normal;color:var(--gold)}.detail-tagline{font-size:1rem;color:var(--text);line-height:1.6;margin-bottom:1.2rem}.detail-meta-strip{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;font-family:var(--mono);font-size:.72rem;color:var(--text-dim)}.detail-meta-strip span{display:flex;align-items:center;gap:.35rem}.detail-section{margin-bottom:2.2rem}.detail-section-title{font-size:.72rem;font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);margin-bottom:.9rem;display:flex;align-items:center;gap:.5rem}.detail-section-title:before{content:"//";color:var(--gold)}.learn-grid{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}@media (max-width:600px){.learn-grid{grid-template-columns:1fr}}.learn-item{display:flex;align-items:flex-start;gap:.55rem;font-size:.84rem;color:var(--text);line-height:1.5}.learn-check{width:16px;height:16px;border-radius:99px;background:rgba(34,197,94,.15);border:1px solid rgba(34,197,94,.3);color:#22c55e;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}.curriculum-list{display:flex;flex-direction:column;gap:.5rem}.curr-module{border:1px solid var(--border);border-radius:8px;overflow:hidden}.curr-module-header{display:flex;align-items:center;gap:.65rem;padding:.85rem 1rem;cursor:pointer;background:var(--ink-2);transition:background .15s}.curr-module-header:hover{background:var(--ink-3)}.curr-num{font-family:var(--mono);font-size:.62rem;color:var(--text-dim);min-width:1.6rem}.curr-title{flex:1;font-size:.88rem;color:var(--white);font-weight:500}.curr-count{font-family:var(--mono);font-size:.65rem;color:var(--text-dim)}.curr-chevron{color:var(--text-dim);transition:transform .2s}.curr-chevron.open{transform:rotate(90deg)}.curr-lessons{background:var(--ink)}.curr-lesson{display:flex;align-items:center;gap:.6rem;padding:.6rem 1rem .6rem 2.8rem;border-top:1px solid var(--border);font-size:.82rem;color:var(--text-dim)}.curr-lesson-icon{flex-shrink:0;color:var(--border-lit)}.curr-lesson.exercise-row,.curr-lesson.exercise-row .curr-lesson-icon{color:var(--gold)}.detail-sticky{position:sticky;top:74px}.pricing-card{background:var(--ink-2);border:1px solid var(--border);border-radius:14px;overflow:hidden}.pricing-card-top{padding:1.6rem 1.4rem 1.3rem;border-bottom:1px solid var(--border);text-align:center}.pricing-price-row{display:flex;align-items:baseline;justify-content:center;gap:.5rem;margin-bottom:.5rem}.pricing-amount{font-family:Fraunces,serif;font-size:2.8rem;font-weight:900;color:var(--white)}.pricing-amount.free-amount{color:#22c55e}.pricing-original{font-family:var(--mono);font-size:.9rem;color:var(--text-dim);text-decoration:line-through}.pricing-discount{display:inline-block;font-family:var(--mono);font-size:.68rem;background:rgba(34,197,94,.12);color:#22c55e;border:1px solid rgba(34,197,94,.25);padding:.18rem .5rem;border-radius:99px;margin-top:.3rem}.pricing-sub{font-size:.78rem;color:var(--text-dim);margin-top:.4rem}.pricing-card-body{padding:1.3rem 1.4rem}.btn-enroll{width:100%;height:46px;display:flex;align-items:center;justify-content:center;gap:.5rem;border-radius:8px;font-size:.9rem;font-weight:700;cursor:pointer;border:none;transition:opacity .2s,transform .15s;margin-bottom:1rem;text-decoration:none}.btn-enroll:hover{opacity:.88;transform:translateY(-1px)}.btn-enroll.paid{background:var(--gold);color:#fff}.btn-enroll.gratis{background:#22c55e;color:#052e16}.btn-enroll.unlocked{background:var(--ink-3);color:#22c55e;border:1px solid rgba(34,197,94,.3);cursor:default}.btn-enroll.unlocked:hover{opacity:1;transform:none}.btn-enroll.coming{background:var(--border);color:var(--text-dim);cursor:not-allowed}.btn-enroll.coming:hover{opacity:1;transform:none}.includes-list{display:flex;flex-direction:column;gap:.55rem;margin-top:.2rem}.includes-item{display:flex;align-items:center;gap:.55rem;font-size:.8rem;color:var(--text-dim)}.includes-item svg{color:var(--gold);flex-shrink:0}.pricing-guarantee{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border);display:flex;align-items:center;gap:.5rem;font-size:.73rem;color:var(--text-dim)}.checkout-page{max-width:920px;margin:0 auto;padding:2.5rem var(--gutter) 5rem}.checkout-header{margin-bottom:2rem}.checkout-back{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;color:var(--text-dim);text-decoration:none;margin-bottom:1.2rem;transition:color .15s}.checkout-back:hover,.checkout-title{color:var(--white)}.checkout-title{font-size:1.5rem;font-weight:700;margin-bottom:.25rem}.checkout-sub{font-size:.85rem;color:var(--text-dim)}.checkout-layout{display:grid;grid-template-columns:1fr 340px;gap:2rem;align-items:start}@media (max-width:760px){.checkout-layout{grid-template-columns:1fr}}.pay-form{background:var(--ink-2);border:1px solid var(--border);border-radius:14px;overflow:hidden}.pay-form-section{padding:1.4rem 1.5rem;border-bottom:1px solid var(--border)}.pay-form-section:last-child{border-bottom:none}.pay-form-label{font-family:var(--mono);font-size:.63rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:.9rem;display:flex;align-items:center;gap:.4rem}.pay-form-label:before{content:"//";color:var(--gold)}.form-row{display:flex;gap:.75rem}.form-group{flex:1;margin-bottom:.85rem}.form-group:last-child{margin-bottom:0}.form-group label{display:block;font-size:.74rem;color:var(--text-dim);margin-bottom:.35rem}.form-group input{width:100%;height:40px;background:var(--ink-3);border:1px solid var(--border);border-radius:7px;color:var(--white);font-family:Inter,sans-serif;font-size:.85rem;padding:0 .85rem;transition:border-color .15s;outline:none}.form-group input::placeholder{color:var(--text-dim)}.form-group input:focus{border-color:var(--gold-line)}.card-input-wrap{position:relative}.card-input-wrap input{padding-right:3rem}.card-brand-icon{position:absolute;right:.8rem;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:.68rem;color:var(--text-dim)}.mock-card{border-radius:12px;background:linear-gradient(135deg,var(--ink-3) 0,#1e2132 100%);border:1px solid var(--border-lit);padding:1.3rem 1.4rem;margin-bottom:1.2rem;position:relative;overflow:hidden;min-height:120px}.mock-card:before{content:"";position:absolute;top:-30px;right:-30px;width:120px;height:120px;border-radius:50%;background:var(--gold-dim)}.mock-card-bank{font-family:var(--mono);font-size:.65rem;color:var(--text-dim);margin-bottom:.8rem}.mock-card-number{font-family:var(--mono);font-size:1rem;color:var(--white);letter-spacing:.15em;margin-bottom:.9rem}.mock-card-row{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.72rem;color:var(--text-dim)}.btn-pay{width:100%;height:50px;display:flex;align-items:center;justify-content:center;gap:.6rem;border-radius:9px;border:none;background:var(--gold);color:#fff;font-size:.95rem;font-weight:700;cursor:pointer;transition:opacity .2s,transform .15s}.btn-pay:hover{opacity:.88;transform:translateY(-1px)}.btn-pay:disabled{background:var(--border);color:var(--text-dim);cursor:not-allowed;transform:none;opacity:1}.pay-secure-note{display:flex;align-items:center;justify-content:center;gap:.4rem;margin-top:.75rem;font-size:.73rem;color:var(--text-dim)}.order-card{background:var(--ink-2);border:1px solid var(--border);border-radius:14px;overflow:hidden;position:sticky;top:74px}.order-card-header{padding:1.1rem 1.3rem;border-bottom:1px solid var(--border);font-family:var(--mono);font-size:.65rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em}.order-card-body{padding:1.2rem 1.3rem}.order-course-row{gap:.85rem;margin-bottom:1.2rem}.order-course-row,.order-icon{display:flex;align-items:center}.order-icon{width:44px;height:44px;border-radius:8px;background:var(--ink-3);border:1px solid var(--border);justify-content:center;font-family:Fraunces,serif;font-size:1.1rem;font-weight:900;color:var(--text-dim);flex-shrink:0}.order-course-name{font-size:.88rem;color:var(--white);font-weight:600}.order-course-sub{font-size:.74rem;color:var(--text-dim);margin-top:.15rem}.order-line{display:flex;justify-content:space-between;font-size:.82rem;color:var(--text);margin-bottom:.5rem}.order-line span:last-child{color:var(--white);font-weight:500}.order-divider{border:none;border-top:1px solid var(--border);margin:.8rem 0}.order-total{display:flex;justify-content:space-between;font-size:.92rem;font-weight:700;color:var(--white)}.order-total-amount{color:var(--gold);font-family:var(--mono)}.order-badge-list{margin-top:1.2rem;display:flex;flex-direction:column;gap:.45rem}.order-badge-item{display:flex;align-items:center;gap:.45rem;font-size:.74rem;color:var(--text-dim)}.order-badge-item svg{color:#22c55e;flex-shrink:0}@keyframes scale-in{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.success-overlay{position:fixed;inset:0;z-index:800;background:rgba(9,9,11,.92);backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:center}.success-card{background:var(--ink-2);border:1px solid var(--border-lit);border-radius:18px;padding:3rem 2.5rem;text-align:center;max-width:400px;width:90%;animation:scale-in .3s cubic-bezier(.2,0,.1,1)}.success-icon{width:64px;height:64px;border-radius:50%;background:rgba(34,197,94,.15);border:1px solid rgba(34,197,94,.3);display:flex;align-items:center;justify-content:center;margin:0 auto 1.4rem;color:#22c55e}.success-title{font-size:1.4rem;font-weight:700;color:var(--white);margin-bottom:.5rem}.success-sub{font-size:.88rem;color:var(--text);line-height:1.6;margin-bottom:1.8rem}.success-xp{display:inline-flex;align-items:center;gap:.4rem;background:var(--gold-dim);border:1px solid var(--gold-line);color:var(--gold);font-family:var(--mono);font-size:.8rem;padding:.4rem .9rem;border-radius:99px;margin-bottom:1.8rem}.btn-go{display:block;width:100%;height:46px;background:var(--gold);color:#fff;border-radius:8px;border:none;font-size:.9rem;font-weight:700;cursor:pointer;text-decoration:none;display:flex;align-items:center;justify-content:center;transition:opacity .2s}.btn-go:hover{opacity:.88}@keyframes spin{to{transform:rotate(1turn)}}.spinner{width:18px;height:18px;border-radius:50%;border:2px solid rgba(255,255,255,.25);border-top-color:#fff;animation:spin .7s linear infinite;display:inline-block}