:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#1f2937;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f6f8fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html{min-width:320px;min-height:100%}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}#root{min-height:100vh}:root{--bg:#f5f5f3;--surface:#fff;--surface-2:#ececea;--text:#151515;--muted:#6b6b67;--line:#d8d8d3;--primary:#111;--primary-2:#5f5f5b;--primary-contrast:#fff;--accent:#a98b4a;--danger:#dc2626;--shadow:0 18px 55px #14141414;--radius:8px}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#090909;--surface:#151515;--surface-2:#242424;--text:#f4f4f1;--muted:#a4a4a0;--line:#333330;--primary:#f2f2ef;--primary-2:#9b9b96;--primary-contrast:#111;--accent:#c2a45a;--danger:#f87171;--shadow:0 18px 55px #0000006b}:root,html,body,#root{background:var(--bg)}.app-shell{min-height:100vh;color:var(--text);background:radial-gradient(circle at 18% 0%, #a98b4a1f, transparent 300px), linear-gradient(180deg, #0000000b, transparent 340px), var(--bg);padding-top:14px}.site-header{z-index:20;border:1px solid color-mix(in srgb, var(--line), transparent 18%);border-radius:var(--radius);background:linear-gradient(180deg, color-mix(in srgb, var(--surface), #fff 6%), var(--surface));-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);grid-template-columns:auto 1fr auto;align-items:center;gap:24px;max-width:1240px;margin:0 auto;padding:12px 18px;display:grid;position:sticky;top:0;box-shadow:0 16px 40px #14141414}.brand,.account-link,.header-actions,.site-header nav,.hero-actions,.section-heading,.card-footer,.exam-meta,.toolbar,.admin-nav a{align-items:center;display:flex}.brand{color:var(--text);gap:10px;font-weight:800}.logo-mark{filter:drop-shadow(0 7px 16px #14141429);width:42px;height:42px}.site-header nav{justify-content:center;gap:4px}.site-header nav a,.ghost{border-radius:var(--radius);color:var(--muted);padding:10px 12px;transition:all .18s}.site-header nav a:hover,.site-header nav a.active,.ghost:hover{background:color-mix(in srgb, var(--text), transparent 92%);color:var(--text)}.header-actions{justify-content:flex-end;gap:8px}.icon-button,.primary,.secondary{border-radius:var(--radius);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:10px 14px;transition:transform .18s,background .18s,border-color .18s;display:inline-flex}.icon-button{width:42px;color:var(--text);background:var(--surface);border-color:var(--line);padding:0;position:relative}.icon-button:hover,.primary:hover,.secondary:hover{transform:translateY(-1px)}.badge-wrap span{color:#fff;background:var(--danger);border-radius:18px;place-items:center;min-width:18px;height:18px;font-size:11px;font-weight:800;display:grid;position:absolute;top:-5px;right:-5px}.account-link{color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);gap:8px;min-height:40px;padding:9px 12px}.primary{color:var(--primary-contrast);background:linear-gradient(180deg, color-mix(in srgb, var(--primary), #fff 10%), var(--primary));font-weight:750;box-shadow:inset 0 1px #ffffff2e}.secondary{color:var(--text);background:linear-gradient(180deg, color-mix(in srgb, var(--surface), #fff 10%), var(--surface));border-color:var(--line);font-weight:700}.small{min-height:36px;padding:8px 12px;font-size:14px}.full{width:100%}main{max-width:1240px;margin:0 auto;padding:16px 24px 72px}.hero-section{grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);align-items:stretch;gap:32px;min-height:620px;padding:54px 0 36px;display:grid}.hero-copy{flex-direction:column;justify-content:center;gap:22px;display:flex}.eyebrow,.catalog-card span,.feature-card span,.purchase-panel span,.exam-meta span,.saved{color:var(--primary);text-transform:uppercase;letter-spacing:0;font-size:13px;font-weight:800}.eyebrow{align-items:center;gap:8px;display:inline-flex}h1,h2,h3,p{margin:0}h1{letter-spacing:0;max-width:740px;font-size:clamp(44px,6vw,86px);line-height:.95}h2{letter-spacing:0;font-size:30px;line-height:1.1}h3{letter-spacing:0;font-size:21px;line-height:1.2}.hero-copy p,.page-title p,.content-block p,.catalog-card p,.feature-card p,.lesson-row p,.article-body,.empty{color:var(--muted)}.hero-copy p{max-width:620px;font-size:20px}.hero-actions{flex-wrap:wrap;gap:12px}.hero-panel{grid-template-rows:1fr auto;gap:16px;min-height:520px;display:grid}.score-card{border-radius:var(--radius);color:#fff;min-height:360px;box-shadow:var(--shadow);background:linear-gradient(#21182114,#211821d1),url(https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&w=1200&q=80) 50%/cover;flex-direction:column;justify-content:flex-end;gap:16px;padding:32px;display:flex}.score-card span{color:#f0c878;font-weight:800}.score-card strong{max-width:420px;font-size:38px;line-height:1.02}.score-card p{color:#f2dfbf;max-width:360px}.metric-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.metric{background:linear-gradient(180deg, color-mix(in srgb, var(--surface), #fff 8%), var(--surface));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.metric strong{font-size:24px;display:block}.metric span{color:var(--muted);font-size:13px}.page-section,.page-shell{padding:42px 0}.section-heading,.page-title{margin-bottom:22px}.section-heading{justify-content:space-between;gap:16px}.section-heading a{color:var(--primary);align-items:center;gap:4px;font-weight:800;display:inline-flex}.page-title{gap:10px;display:grid}.page-title h1{font-size:clamp(34px,4vw,58px)}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.card-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-card,.feature-card,.auth-card,.form-card,.homework-card,.purchase-panel,.content-block,.question-card,.admin-course,.checkout-panel,.lesson-row,.cart-row,.result-row{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.catalog-card,.feature-card{flex-direction:column;min-height:100%;display:flex;overflow:hidden}.catalog-card img{aspect-ratio:16/9;object-fit:cover;width:100%}.catalog-card>div,.feature-card{gap:12px;padding:18px}.catalog-card>div{display:grid}.feature-card>svg{color:var(--accent)}.card-footer{justify-content:space-between;gap:12px;margin-top:auto;padding:0 18px 18px}.feature-card .card-footer{padding:0}.card-footer small{color:var(--muted)}.search-bar{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);align-items:center;gap:10px;max-width:520px;margin-bottom:22px;padding:12px 14px;display:flex}.search-bar input,.field input,.field select,.field textarea,.field input[type=file],.upload-row input{width:100%;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);outline:none}.search-bar input{background:0 0;border:0}.library-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px;display:flex}.segmented{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);align-items:center;gap:4px;padding:4px;display:inline-flex}.segmented button{min-height:38px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;padding:8px 12px;font-weight:800}.segmented button.active{color:var(--primary-contrast);background:var(--primary)}.language-switch{color:var(--muted);padding-left:10px}.school-library{gap:18px;display:grid}.desktop-shelf{border-radius:var(--radius);box-shadow:var(--shadow), inset 0 0 0 1px #ffffff2e, inset 18px 0 26px #2e19094d, inset -18px 0 26px #2e190938;background:linear-gradient(90deg,#ffffff29,#0000 12%,#0000001f 54%,#0000 84%),repeating-linear-gradient(90deg,#ffffff0e 0 1px,#0000 1px 38px),linear-gradient(#9d7044,#70451f);border:12px solid #8a5c33;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:26px 18px;padding:32px 32px 46px;display:grid;position:relative;overflow:visible}.desktop-shelf:before,.desktop-shelf:after{content:"";pointer-events:none;position:absolute;left:14px;right:14px}.desktop-shelf:before{z-index:0;background:repeating-linear-gradient(0deg,#0000 0 214px,#3219085c 214px 222px,#f8dcaa24 222px 226px,#0000 226px 240px),linear-gradient(90deg,#ffffff1a,#0000 18%,#0003 80%),repeating-linear-gradient(90deg,#44230b29 0 2px,#0000 2px 56px);border-radius:3px;top:10px;bottom:18px}.desktop-shelf:after{z-index:0;background:linear-gradient(#b5814e,#5f3514);border-radius:3px;height:24px;bottom:18px;box-shadow:0 -5px #3d1e0847,0 12px 18px #2e190942}.mobile-shelves{display:none}.grade-shelf{gap:10px;display:grid}.grade-shelf h2{margin:0;font-size:18px}.shelf-row{border-radius:var(--radius);background:linear-gradient(90deg,#ffffff29,#0000 32%,#00000029),repeating-linear-gradient(90deg,#44230b24 0 2px,#0000 2px 44px),linear-gradient(#9d7044,#70451f);border:9px solid #8a5c33;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px;padding:20px 18px 36px;display:grid;position:relative;box-shadow:inset 12px 0 18px #2e19093d,inset -12px 0 18px #2e19092e}.shelf-row:after{content:"";z-index:0;background:linear-gradient(#b5814e,#5f3514);border-radius:3px;height:20px;position:absolute;bottom:12px;left:10px;right:10px;box-shadow:0 -4px #3d1e0847,0 9px 14px #2e190938}.book-tile{z-index:2;border-radius:var(--radius);min-width:0;box-shadow:none;background:0 0;border:0;padding:2px 8px 8px;display:block;position:relative}.desktop-shelf .book-tile{box-shadow:none;align-self:end}.book-tile:before{content:none}.book-cover-wrap{perspective:900px;background:0 0;min-height:0;padding:0 12px 14px 18px;display:block;position:relative;overflow:visible;transform:translateZ(0)}.book-cover-trigger{width:100%;color:inherit;cursor:pointer;text-align:left;background:0 0;border:0;padding:0;display:block;position:relative}.book-cover-trigger:before{content:"";z-index:1;background:linear-gradient(90deg, #2d181094, #2d18102e), linear-gradient(180deg, var(--primary), color-mix(in srgb, var(--primary), #000 28%));border-radius:4px 0 0 4px;width:22px;position:absolute;top:9px;bottom:22px;left:9px;transform:skewY(-2deg);box-shadow:inset -4px 0 8px #0003}.book-cover-trigger:after{content:"";z-index:0;background:repeating-linear-gradient(#f5ead8 0 2px,#d5c4aa 2px 4px),#efe2ce;border-radius:0 0 7px 7px;height:20px;position:absolute;bottom:3px;left:27px;right:5px;transform:skew(-16deg);box-shadow:8px 9px 14px #2b180a57}.book-page-block{z-index:0;background:linear-gradient(90deg,#ffffff94,#d6c3a3b8),repeating-linear-gradient(90deg,#eadcc5 0 3px,#fff5e6 3px 6px);border-radius:4px 9px 9px 4px;position:absolute;inset:12px 2px 16px 24px;transform:rotateY(-6deg)translate(6px);box-shadow:9px 8px 18px #2b180a38}.book-cover-trigger img{z-index:2;aspect-ratio:3/4.2;object-fit:cover;transform-origin:0;border:1px solid #fff4deb8;border-radius:4px 9px 9px 4px;width:100%;display:block;position:relative;transform:rotateY(-7deg);box-shadow:inset 9px 0 13px #0000002e,8px 10px 16px #2b180a61}.book-cover-glass{z-index:3;pointer-events:none;transform-origin:0;mix-blend-mode:screen;background:linear-gradient(115deg,#ffffff57,#0000 24% 58%,#ffffff29 60%,#0000 72%),linear-gradient(90deg,#00000042,#0000 14%);border-radius:4px 9px 9px 4px;position:absolute;inset:1px 12px 14px 18px;transform:rotateY(-7deg)}.book-cover-label{z-index:4;color:#fff8e8;background:linear-gradient(#211821bd,#211821e6);border:1px solid #f0c87880;border-radius:5px;gap:3px;padding:8px 9px;display:grid;position:absolute;bottom:26px;left:30px;right:24px;box-shadow:0 8px 18px #00000038}.book-cover-label small,.book-cover-label strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.book-cover-label small{color:#f0c878;text-transform:uppercase;font-size:10px;font-weight:900}.book-cover-label strong{font-size:12px;line-height:1.1}.compact-book{padding:6px}.compact-book .book-cover-label{padding:6px 7px;bottom:24px;left:28px;right:22px}.compact-book .book-cover-label strong{font-size:11px}.book-actions{z-index:8;opacity:0;pointer-events:none;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0f0f0ee0;border:1px solid #fff3;border-radius:7px;grid-template-columns:1fr;gap:8px;padding:10px;transition:opacity .16s,transform .16s;display:grid;position:absolute;top:50%;left:18px;right:12px;transform:translateY(-42%)scale(.96);box-shadow:0 16px 26px #0000004d}.book-actions .secondary,.book-actions .primary{min-height:36px;padding:8px 9px;font-size:13px}.book-actions .secondary{color:#f6f6f2;background:#ffffff14;border-color:#ffffff38}.book-tile:hover .book-actions,.book-tile:focus-within .book-actions{opacity:1;pointer-events:none;transform:translateY(-50%)scale(1)}.book-tile.actions-open .book-actions{opacity:1;pointer-events:auto;transform:translateY(-50%)scale(1)}.reader-layout{grid-template-columns:280px minmax(0,1fr);align-items:start;gap:18px;display:grid}.reader-info{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);gap:12px;padding:18px;display:grid;position:sticky;top:92px}.reader-info img{border-radius:6px;width:100%}.pdf-reader{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);min-height:78vh;overflow:hidden}.pdf-reader object,.pdf-reader iframe{border:0;width:100%;height:78vh;display:block}.video-reader{gap:18px;display:grid}.video-reader video{aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--radius);width:100%;max-height:72vh;box-shadow:var(--shadow);background:#000}.detail-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:18px;display:grid}.detail-cover,.wide-image{border-radius:var(--radius);object-fit:cover;width:100%;box-shadow:var(--shadow)}.detail-cover{aspect-ratio:16/8}.purchase-panel,.content-block,.auth-card,.form-card{padding:22px}.purchase-panel{gap:14px;display:grid;position:sticky;top:92px}.purchase-panel strong{font-size:30px}.content-block,.lesson-list,.question-list,.article-body,.cart-list,.result-list{margin-top:18px}.homework-card{gap:14px;margin-top:18px;padding:18px;display:grid}.homework-card span{color:var(--primary);text-transform:uppercase;font-size:12px;font-weight:900}.homework-card h2{margin:4px 0 6px}.homework-card textarea{resize:vertical;min-height:92px}.file-picker{border:1px dashed var(--line);border-radius:var(--radius);min-height:48px;color:var(--muted);cursor:pointer;align-items:center;gap:10px;padding:12px 14px;display:flex}.file-picker input{display:none}.file-picker strong{color:var(--text)}.section-subtitle{margin-top:24px}.highlight-card{border-color:color-mix(in srgb, var(--primary), transparent 45%);background:linear-gradient(135deg, color-mix(in srgb, var(--primary), transparent 88%), var(--surface))}.homework-row{grid-template-columns:minmax(0,1fr) minmax(360px,.9fr);align-items:start;gap:18px}.homework-row p{color:var(--muted);margin:6px 0 0}.mentor-student-list{gap:10px}.mentor-student-link{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);padding:16px 18px;display:block}.mentor-student-link strong{color:var(--text)}.homework-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.homework-actions input{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);width:100%;min-height:38px;color:var(--text);grid-column:1/-1;padding:8px 10px}.parent-dashboard{gap:14px;display:grid}.parent-child-card{gap:16px;padding:18px;display:grid}.parent-topic-list{gap:8px;display:grid}.parent-topic-list p{border:1px solid var(--line);border-radius:var(--radius);color:var(--text);background:color-mix(in srgb, var(--surface), var(--page) 35%);margin:0;padding:10px 12px;font-weight:700}.parent-homework{border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);gap:6px;padding:12px;display:grid}.parent-homework.uploaded{border-style:solid;border-color:color-mix(in srgb, var(--primary), transparent 50%)}.parent-homework p{margin:0}.lesson-list,.question-list,.cart-list,.result-list,.admin-list{gap:12px;display:grid}.lesson-row,.cart-row,.result-row{grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:16px;display:grid}.lesson-row svg{color:var(--primary)}.exam-meta{flex-wrap:wrap;gap:10px;margin-bottom:18px}.exam-meta span{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);align-items:center;gap:6px;padding:8px 10px;display:inline-flex}.question-card{gap:14px;padding:18px;display:grid}.option-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.option{border:1px solid var(--line);border-radius:var(--radius);min-height:46px;color:var(--text);background:var(--surface-2);cursor:pointer}.option.selected{color:var(--primary-contrast);background:var(--primary);border-color:var(--primary)}.auth-card{gap:14px;max-width:430px;display:grid}.field{gap:7px;display:grid}.field span{color:var(--muted);font-size:14px;font-weight:700}.field input,.field select,.field textarea,.upload-row input{min-height:42px;padding:10px 12px}.field textarea{resize:vertical;min-height:120px}.check-row{color:var(--text);align-items:center;gap:8px;font-weight:750;display:inline-flex}.center{justify-content:center}.error{color:var(--danger);font-weight:700}.notice{border:1px solid color-mix(in srgb, var(--primary), transparent 55%);border-radius:var(--radius);color:var(--primary);background:color-mix(in srgb, var(--primary), transparent 92%);padding:12px;font-weight:750}.two-column,.admin-layout{grid-template-columns:minmax(0,1fr) 360px;gap:18px;display:grid}.admin-layout{grid-template-columns:240px minmax(0,1fr);align-items:start}.admin-nav{gap:6px;display:grid;position:sticky;top:92px}.admin-nav a{border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);color:var(--text);gap:8px;padding:12px;font-weight:750}.admin-content{min-width:0}.toolbar{justify-content:space-between;margin-bottom:14px}.admin-course{gap:14px;padding:16px;display:grid}.upload-row,.form-grid{gap:10px;display:grid}.upload-row{grid-template-columns:repeat(3,minmax(0,1fr))}.form-card{gap:16px;display:grid}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid .field:nth-child(5),.form-grid .field:nth-child(6){grid-column:1/-1}.checkout-panel{justify-content:space-between;align-items:center;gap:12px;margin-top:16px;padding:18px;display:flex}.wide-image{max-height:440px}.article-body{white-space:pre-wrap;max-width:760px;font-size:18px}.empty,.loading{border:1px dashed var(--line);border-radius:var(--radius);text-align:center;background:color-mix(in srgb, var(--surface), transparent 28%);padding:28px}.pitch-page{gap:24px;padding:26px 0 18px;display:grid}.pitch-hero{border:1px solid color-mix(in srgb, var(--line), transparent 22%);border-radius:var(--radius);color:#f6f6f2;min-height:430px;box-shadow:var(--shadow);background:linear-gradient(135deg,#ffffff14,#0000 34%),linear-gradient(#191918,#060606);grid-template-columns:minmax(0,1.08fr) 420px;align-items:stretch;gap:28px;padding:38px;display:grid;overflow:hidden}.pitch-hero>div:first-child{flex-direction:column;justify-content:center;gap:18px;display:flex}.pitch-kicker,.pitch-label,.pitch-proof span,.source-label{color:var(--accent);text-transform:uppercase;letter-spacing:0;font-size:12px;font-weight:900}.pitch-hero h1{max-width:720px;font-size:clamp(44px,6vw,78px)}.pitch-hero p{color:#d7d7d1;max-width:720px;font-size:18px;line-height:1.45}.pitch-actions{flex-wrap:wrap;gap:12px;display:flex}.pitch-hero .secondary{color:#f6f6f2;background:#ffffff0f;border-color:#ffffff38}.pitch-snapshot{grid-template-columns:repeat(2,minmax(0,1fr));align-self:center;gap:12px;display:grid}.pitch-snapshot .metric{color:#f6f6f2;min-height:112px;box-shadow:none;background:linear-gradient(#ffffff1f,#ffffff0a);border-color:#ffffff2e}.pitch-snapshot .metric span{color:#c6c6bf}.pitch-section{gap:8px;max-width:860px;padding-top:4px;display:grid}.pitch-section h2,.pitch-band h2,.pitch-close h2,.pitch-price h2{font-size:clamp(26px,3vw,42px)}.pitch-section p,.pitch-card p,.pitch-proof p,.pitch-band li,.pitch-close p,.pitch-price p,.price-card p{color:var(--muted);font-size:15px;line-height:1.55}.pitch-evidence,.pitch-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.pitch-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.pitch-card,.pitch-proof,.pitch-band,.pitch-close{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg, color-mix(in srgb, var(--surface), #fff 8%), var(--surface));box-shadow:var(--shadow)}.pitch-card,.pitch-proof{align-content:start;gap:10px;min-height:156px;padding:20px;display:grid}.pitch-proof{border-left:4px solid var(--accent)}.pitch-proof a{width:fit-content;color:var(--text);align-items:center;gap:6px;font-weight:800;display:inline-flex}.pitch-card.strong{border-color:color-mix(in srgb, var(--accent), var(--line) 56%);min-height:150px}.planned{color:var(--muted)}.planned-card{background:linear-gradient(180deg, color-mix(in srgb, var(--surface-2), #fff 10%), var(--surface))}.pitch-band{background:linear-gradient(135deg, color-mix(in srgb, var(--surface), var(--accent) 8%), var(--surface));grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);align-items:start;gap:24px;padding:28px;display:grid}.pitch-band ul{gap:9px;margin:0;padding:0;list-style:none;display:grid}.pitch-band li{padding-left:26px;position:relative}.pitch-band li:before{content:"";border:2px solid var(--accent);background:var(--surface);border-radius:50%;width:10px;height:10px;position:absolute;top:.72em;left:0}.pitch-close{color:#f6f6f2;background:linear-gradient(135deg,#c2a45a29,#0000 42%),linear-gradient(#181817,#070707);gap:12px;padding:30px;display:grid}.pitch-close p{color:#d7d7d1;max-width:880px}.pitch-price{border:1px solid color-mix(in srgb, var(--accent), var(--line) 48%);border-radius:var(--radius);background:linear-gradient(135deg, color-mix(in srgb, var(--surface), var(--accent) 10%), var(--surface));box-shadow:var(--shadow);grid-template-columns:minmax(0,1.2fr) minmax(190px,.4fr) minmax(220px,.5fr);align-items:stretch;gap:16px;padding:28px;display:grid}.pitch-price>div:first-child{align-content:center;gap:8px;display:grid}.price-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);align-content:center;gap:8px;min-height:150px;padding:20px;display:grid}.price-card span{color:var(--muted);text-transform:uppercase;font-size:13px;font-weight:900}.price-card strong{color:var(--text);font-size:44px;line-height:1}.price-card.optional{background:color-mix(in srgb, var(--surface-2), var(--surface) 45%)}.workspace-layout{grid-template-columns:250px minmax(0,1fr);align-items:start;gap:18px;display:grid}.workspace-nav{gap:8px;display:grid;position:sticky;top:92px}.workspace-nav a{border:1px solid var(--line);border-radius:var(--radius);color:var(--text);background:var(--surface);align-items:center;gap:9px;padding:12px;font-weight:800;display:flex}.workspace-main,.workspace-stack{gap:16px;min-width:0;display:grid}.workspace-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.workspace-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace-card,.student-row{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.workspace-card{gap:9px;padding:18px;display:grid}.workspace-card span,.student-row span{color:var(--muted);font-size:13px;font-weight:850}.workspace-card em,.student-courses small,.student-row small{border:1px solid var(--line);width:fit-content;color:var(--text);background:var(--surface-2);border-radius:999px;padding:6px 9px;font-size:12px;font-style:normal;font-weight:800;display:inline-flex}.permission-list,.student-courses{flex-wrap:wrap;gap:8px;display:flex}.student-row{grid-template-columns:minmax(0,1fr) minmax(220px,.8fr) auto;align-items:center;gap:14px;padding:16px;display:grid}.student-row>div:first-of-type{gap:4px;display:grid}.compact-row{grid-template-columns:minmax(0,1fr) auto}.hr-metrics,.student-metrics{grid-template-columns:repeat(4,minmax(0,1fr))}.quick-action-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.quick-action{border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb, var(--surface), var(--page) 22%);min-height:76px;box-shadow:var(--shadow);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px;display:grid}.quick-action>svg:first-child{color:var(--accent)}.quick-action>svg:last-child{color:var(--muted)}.quick-action div{gap:3px;min-width:0;display:grid}.quick-action strong,.quick-action span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.quick-action span{color:var(--muted);font-size:13px;font-weight:700}.continue-card{border-color:color-mix(in srgb, var(--primary), transparent 48%);background:linear-gradient(135deg, color-mix(in srgb, var(--primary), transparent 88%), var(--surface));text-decoration:none}.continue-card strong{border-radius:var(--radius);background:var(--text);width:fit-content;color:var(--page);padding:10px 14px}.class-card{min-height:132px;text-decoration:none}.class-card strong{font-size:22px}.teacher-student-row{grid-template-columns:minmax(0,1fr) minmax(190px,.7fr) auto}.teacher-message{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.teacher-message span{color:var(--muted)}.note-list{gap:10px;display:grid}.note-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);gap:5px;padding:12px;display:grid}.note-item span{color:var(--muted)}.student-row svg{color:var(--accent)}.footer{max-width:1240px;color:var(--muted);border-top:1px solid var(--line);grid-template-columns:minmax(260px,1fr) auto;gap:22px;margin:0 auto;padding:30px 24px 42px;display:grid}.footer-brand{align-items:center;gap:12px;display:flex}.footer-brand .logo-mark{width:38px;height:38px}.footer-brand div,.footer-meta{gap:5px;display:grid}.footer-brand strong{color:var(--text);font-size:17px}.footer-nav{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:6px;display:flex}.footer-nav a{border-radius:var(--radius);color:var(--muted);padding:9px 11px;font-weight:750}.footer-nav a:hover{color:var(--text);background:var(--surface-2)}.footer-meta{border-top:1px solid var(--line);grid-column:1/-1;grid-template-columns:1fr auto;padding-top:18px;font-size:14px}@media (width<=980px){.site-header{grid-template-columns:1fr auto}.brand{grid-area:1/1}.header-actions{grid-area:1/2}.site-header nav{grid-area:2/1/auto/-1;justify-content:flex-start;padding-bottom:4px;overflow-x:auto}.hero-section,.detail-layout,.reader-layout,.two-column,.admin-layout,.workspace-layout,.pitch-hero,.pitch-band,.pitch-price{grid-template-columns:1fr;min-height:auto}.hero-panel,.purchase-panel,.reader-info,.admin-nav,.workspace-nav{position:static}.desktop-shelf{display:none}.mobile-shelves{gap:18px;display:grid}.metric-grid,.card-grid,.card-grid.compact,.pitch-evidence,.pitch-grid,.pitch-grid.two,.quick-action-grid,.workspace-grid,.workspace-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.pitch-hero{padding:32px}.upload-row{grid-template-columns:1fr}.pdf-reader,.pdf-reader object,.pdf-reader iframe{height:70vh;min-height:70vh}}@media (width<=640px){main,.site-header,.footer{padding-left:16px;padding-right:16px}.brand span,.account-link{display:none}.site-header nav{flex-wrap:nowrap;padding-bottom:0;overflow-x:auto}.site-header nav a{white-space:nowrap;padding:8px 10px;font-size:14px}.header-actions{gap:6px}.hero-section{padding-top:28px}.hero-copy p{font-size:17px}.metric-grid,.card-grid,.card-grid.compact,.option-grid,.form-grid,.pitch-evidence,.pitch-grid,.pitch-grid.two,.pitch-snapshot,.quick-action-grid{grid-template-columns:1fr}.pitch-page{gap:24px;padding-top:18px}.pitch-hero,.pitch-band,.pitch-close,.pitch-price{padding:24px}.pitch-hero p,.pitch-section p,.pitch-card p,.pitch-proof p,.pitch-band li,.pitch-close p,.pitch-price p,.price-card p{font-size:15px}.price-card{min-height:124px}.price-card strong{font-size:38px}.library-controls,.segmented{width:100%}.segmented{overflow-x:auto}.segmented button{white-space:nowrap}.lesson-row,.cart-row,.result-row,.student-row,.workspace-grid,.workspace-grid.two{grid-template-columns:1fr}.checkout-panel{flex-direction:column;align-items:stretch}.footer{grid-template-columns:1fr;align-items:stretch}.footer-nav{justify-content:flex-start}.footer-meta{grid-template-columns:1fr}}