:root{--bg:#f7f8f4;--paper:#fff;--ink:#1b342b;--muted:#5d6e65;--line:#dfe6dd;--accent:#315e48;--brand:#315e48;--rad:18px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{color:var(--ink);background:var(--bg);margin:0}*{box-sizing:border-box}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #b78838;outline-offset:4px}button{min-height:42px}input,select,textarea{max-width:100%;min-width:0}.btn{background:var(--brand);border-radius:10px;box-shadow:none;color:white;border-color:var(--brand)}.btn.ghost{color:var(--ink);background:transparent;border-color:var(--line)}.card{border-radius:var(--rad);border:1px solid var(--line);box-shadow:0 3px 15px #203e2d04;background:var(--paper)}.muted{color:var(--muted)}[hidden]{display:none!important}.skip{position:fixed;left:10px;top:-100px;z-index:999;background:white;padding:12px}.skip:focus{top:10px}.top{background:#fffffff5;border-bottom:1px solid var(--line);gap:16px}.brand{color:var(--ink);letter-spacing:-.7px;font-size:1.35rem}.mark{background:#315e48;border-radius:10px;transform:rotate(-8deg)}.top nav{flex:1;display:flex;gap:8px;flex-wrap:wrap}.top .link{font-size:.9rem;padding:8px;border-radius:8px}.top .link[aria-current=page]{background:#e7eee4;color:#244b36}.wrap{max-width:1240px;padding:30px 34px 60px}.view h1{font-size:clamp(1.8rem,3vw,2.9rem);letter-spacing:-1.6px;line-height:1.15}.view h2{letter-spacing:-.5px}.eyebrow{font-size:.72rem;letter-spacing:1.8px;text-transform:uppercase;font-weight:750;color:#63806b}.pill,.tag{display:inline-flex;padding:5px 10px;border:1px solid var(--line);border-radius:99px;font-size:.72rem;background:#f3f6f0;color:#33513c}.save-state{font-size:.72rem;max-width:225px;color:var(--muted)}
body[data-screen=gate]{background:#fafaf7}body[data-screen=gate]>.top{display:none}body[data-screen=gate]>.wrap{padding:0;max-width:none;margin:0}body[data-screen=gate] #mini{display:none!important}.gate{padding:0;margin:0;max-width:none;min-height:100svh}.auth-layout{display:grid;grid-template-columns:48% 52%;min-height:100svh}.auth-art{position:relative;overflow:hidden;background:#859078;min-height:650px}.auth-art img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center 57%}.auth-art:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#20342366,transparent 43%,#1c302739)}.art-copy{position:relative;z-index:1;padding:54px 50px;color:white;max-width:500px}.art-copy p{font-size:.85rem;color:#f2f1e6;line-height:1.6}.art-copy h2{font-size:clamp(1.8rem,3.3vw,3.15rem);line-height:1.16;letter-spacing:-1.4px;margin:22px 0 16px;font-weight:500}.art-brand{font-size:1.05rem;font-weight:600}.art-bottom{position:absolute;z-index:1;bottom:35px;left:40px;color:white;background:#ffffffe0;color:#28422f;backdrop-filter:blur(9px);padding:12px 18px;border-radius:14px;font-size:.78rem}.auth-panel{display:flex;flex-direction:column;justify-content:center;padding:42px clamp(24px,5vw,90px);background:#fafaf7}.auth-inner{width:100%;max-width:430px;margin:auto}.auth-brand{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:700;letter-spacing:-.6px;margin-bottom:38px}.auth-icon{display:grid;place-items:center;width:38px;height:38px;background:#315e48;border-radius:11px;color:#fff;font-size:1.3rem}.auth-inner h1{font-size:2.3rem;margin:0 0 10px;letter-spacing:-1.4px;font-weight:650}.auth-subtitle{font-size:.9rem;line-height:1.5;margin:0 0 24px}.auth-tabs{display:flex;gap:4px;background:#ebeee7;padding:4px;border-radius:11px;margin-bottom:22px}.auth-tabs button{flex:1;border:0;background:transparent;border-radius:8px;font-weight:600;font-size:.85rem;color:#67766a}.auth-tabs button[aria-pressed=true]{background:white;color:#2e4f39;box-shadow:0 2px 5px #0000000b}.providers{display:grid;gap:10px}.provider{display:flex;justify-content:center;align-items:center;gap:12px;width:100%;background:#fff;border:1px solid #d7dfd3;border-radius:9px;min-height:46px;font-size:.85rem;font-weight:600;color:#273b2b}.provider svg{width:19px;height:19px}.auth-divider{display:flex;align-items:center;gap:14px;font-size:.72rem;color:#7e8a7b;margin:18px 0}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:#dfe5da;flex:1}.auth-form{margin:0}.auth-form .field{display:flex;flex-direction:column;gap:7px;font-size:.78rem;font-weight:600;margin-bottom:15px}.auth-form input{height:46px;background:white;border:1px solid #d6ded0;border-radius:9px;padding:11px 13px;color:#1b342b;width:100%;font-size:.9rem}.auth-form .pw{position:relative;display:flex}.auth-form .pw input{padding-right:65px}.auth-form .pw button{position:absolute;right:5px;top:4px;height:38px;min-height:38px;border:0;background:transparent;font-size:.73rem;color:#53735b;padding:6px 10px}.auth-form .primary{width:100%;height:46px;border:0;background:#315e48;color:white;border-radius:9px;font-size:.88rem;font-weight:600;margin-top:6px}.auth-form .check{display:flex;gap:8px;font-size:.75rem;font-weight:400}.auth-form .check input{width:16px;height:16px;margin-top:0}.auth-help{display:flex;justify-content:flex-end;margin-top:-9px;margin-bottom:10px}.text-btn{padding:2px 0;min-height:32px;border:0;background:transparent;color:#44684b;font-size:.75rem;cursor:pointer;text-decoration:underline;text-underline-offset:3px}.auth-msg{font-size:.78rem;color:#79562c;line-height:1.55;overflow-wrap:anywhere;margin:10px 0;min-height:1px}.guest-btn{width:100%;background:transparent;border:0;border-radius:8px;color:#64705f;font-size:.78rem;min-height:40px;margin-top:9px}.auth-footer{font-size:.67rem;color:#7b8875;text-align:center;line-height:1.7;margin:18px 0 0}.auth-footer a{color:inherit;text-decoration:underline}.auth-form .primary:hover{background:#244b37}.hero-home{background:#e9efdf;border:1px solid #dce6ce;border-radius:24px;position:relative;overflow:hidden;padding:30px 34px;margin-bottom:22px}.hero-home h1{margin:12px 0}.hero-home p{max-width:600px;line-height:1.65}.hero-home .hero-leaf{position:absolute;right:-20px;bottom:-45px;font-size:180px;opacity:.12;pointer-events:none}.quick-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0}.metric{padding:20px}.metric b{display:block;font-size:1.7rem;margin-bottom:5px;letter-spacing:-1px}.metric small{color:var(--muted);font-size:.75rem}.section-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:24px 0 15px}.section-top h2{margin:0}.filter-panel{padding:20px;margin:20px 0}.filter-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.filter-grid .field{margin:0}.catalog{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.resource-card{padding:22px;display:flex;flex-direction:column;gap:12px}.resource-card h3{font-size:1.05rem;line-height:1.4;margin:0}.resource-card p{font-size:.8rem;line-height:1.6;margin:0}.resource-card .resource-top{display:flex;justify-content:space-between;gap:8px;align-items:center}.book-icon{width:40px;height:40px;border:1px solid #cbdaba;background:#eef2e7;border-radius:11px;display:grid;place-items:center;color:#54763f;font-size:1.3rem}.resource-card .resource-actions{display:flex;gap:8px;align-items:center;margin-top:auto;flex-wrap:wrap}.resource-card .btn{font-size:.77rem;min-height:38px}.resource-card .tag{font-size:.65rem}.resource-meta{font-size:.68rem;color:var(--muted)}.resource-detail{padding:24px;margin-bottom:20px}.resource-detail dl{display:grid;grid-template-columns:140px 1fr;gap:8px;font-size:.83rem}.resource-detail dd{margin:0;overflow-wrap:anywhere}.empty-box{padding:28px;border:1px dashed #cbd7c4;border-radius:16px;background:#f0f4eb}.empty-box h3{margin:0 0 10px}.pager{display:flex;justify-content:center;gap:18px;align-items:center;padding:24px}.class-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:22px}.class-item{display:block;text-align:left;width:100%;margin-bottom:10px;background:#fff;border:1px solid var(--line);padding:18px;border-radius:14px;color:var(--ink)}.class-item[aria-current=true]{border-color:var(--brand);background:#edf2e8}.class-item small{display:block;margin-top:6px;color:var(--muted)}.class-block{padding:22px;margin:0 0 15px}.class-block h3{margin:0 0 12px}.class-block p{overflow-wrap:anywhere}.class-block textarea{min-height:90px}.class-controls{display:flex;flex-wrap:wrap;gap:10px}.study-form{display:grid;gap:12px;padding:22px}.study-form textarea{min-height:90px}.study-form .field{margin:0}.error-line{color:#8d4135;font-size:.82rem;overflow-wrap:anywhere}.subject-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.subject-cards button{background:var(--paper);border:1px solid var(--line);padding:20px 16px;text-align:left;border-radius:15px;color:var(--ink)}.subject-cards small{display:block;color:var(--muted);margin-top:7px;font-size:.73rem}.progress-list{display:grid;gap:12px}.progress-list .card{padding:18px}.legal{max-width:760px;margin:50px auto;padding:25px}.legal p{line-height:1.7}.tool{padding:22px}.tool h3{font-size:1rem}.tool p{font-size:.83rem;line-height:1.6}.foot{font-size:.8rem}body[data-screen=gate] #fx{display:none}html[data-theme=dark]{--bg:#152019;--paper:#1d2c22;--ink:#e9f0e5;--muted:#b3c2b1;--line:#3a4d3c;--accent:#9fc999;--brand:#487452}html[data-theme=dark] .hero-home{background:#243b28;border-color:#375538}html[data-theme=dark] .pill,html[data-theme=dark] .tag{background:#283d2a;color:#d1e6c8}html[data-theme=dark] .empty-box{background:#213424}html[data-theme=dark] .class-item{background:#1d2c22}html[data-theme=dark] .top{background:#1d2c22}html[data-theme=dark] .btn.ghost{color:var(--ink)}
@media(max-width:1000px){.catalog{grid-template-columns:repeat(2,minmax(0,1fr))}.top{flex-wrap:wrap}.top nav{order:3;flex-basis:100%;overflow:auto}.filter-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.art-copy{padding:40px 32px}.auth-panel{padding:35px}.subject-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.auth-layout{grid-template-columns:1fr}.auth-art{min-height:230px;height:29svh;max-height:320px}.auth-art img{object-position:center 63%}.art-copy{padding:24px}.art-copy h2{font-size:1.6rem;max-width:260px;margin:12px 0}.art-copy p,.art-bottom{display:none}.auth-panel{padding:30px 24px 24px;justify-content:flex-start}.auth-brand{margin-bottom:22px}.auth-inner h1{font-size:1.9rem}.auth-inner{max-width:460px}.top{gap:10px;padding:16px}.wrap{padding:22px 16px 50px}.hero-home{padding:24px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.class-grid{grid-template-columns:1fr}.catalog{grid-template-columns:1fr}.resource-detail dl{grid-template-columns:1fr}.resource-detail dt{font-weight:700}.save-state{max-width:100%}.row{flex-wrap:wrap}.pair{grid-template-columns:minmax(0,1fr)}.gate .auth-tabs button{font-size:.8rem}.filter-panel{padding:14px}.class-block{padding:18px}.subject-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.section-top{align-items:flex-start}.grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr))}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}