:root{--bg:#f6f7fb;--surface:#fff;--text:#1d2433;--muted:#697386;--line:#e6e8ef;--primary:#5b5cf0;--primary2:#7a5cff;--green:#20a67a;--red:#db4b58;--amber:#e19a1a;--shadow:0 14px 42px rgba(34,39,58,.09);--radius:22px;--radius-sm:14px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.58}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 32px));margin-inline:auto}.narrow{max-width:820px}.muted{color:var(--muted)}.eyebrow{display:inline-flex;padding:7px 11px;border-radius:999px;background:#ececff;color:#4d4ed0;font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,232,239,.8)}.navwrap{height:72px;display:flex;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:1.23rem;letter-spacing:-.02em}.brand.big{font-size:1.6rem;margin-bottom:20px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 9px 24px rgba(91,92,240,.25)}.navlinks{margin-left:auto;display:flex;align-items:center;gap:6px}.navlinks a{padding:9px 12px;border-radius:11px;color:#525b6f;font-weight:650;font-size:.93rem}.navlinks a:hover,.navlinks a.active{background:#f0f1f7;color:#252b3b}.nav-toggle{display:none;margin-left:auto;border:0;background:#f1f2f7;border-radius:12px;padding:9px 12px;font-size:1.2rem}.hero{padding:64px 0 36px}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:46px;align-items:center}.hero h1{font-size:clamp(2.7rem,6vw,5.6rem);letter-spacing:-.055em;line-height:.95;margin:16px 0 22px;max-width:850px}.hero h1 span{background:linear-gradient(135deg,#4748da,#8c5bff);-webkit-background-clip:text;color:transparent}.hero p{font-size:1.15rem;color:#60697c;max-width:690px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:#fff;padding:11px 16px;border-radius:13px;font-weight:800;cursor:pointer;font:inherit}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 25px rgba(30,35,50,.08)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));border-color:transparent;color:#fff}.btn-soft{background:#efefff;border-color:#e5e5ff;color:#4a4bd0}.btn-large{padding:14px 20px}.hero-panel{background:linear-gradient(160deg,#232544,#42458c);border-radius:30px;color:#fff;padding:28px;box-shadow:0 28px 70px rgba(38,40,75,.2);min-height:370px;position:relative;overflow:hidden}.hero-panel:before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(140,112,255,.22);right:-80px;top:-50px}.hero-panel h3{font-size:1.5rem;margin:6px 0 14px}.mini-path{display:grid;gap:12px;margin-top:26px;position:relative}.mini-step{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.1);padding:13px;border-radius:15px}.mini-step b{width:34px;height:34px;border-radius:11px;background:rgba(255,255,255,.15);display:grid;place-items:center}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0 44px}.stat{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 8px 30px rgba(34,39,58,.04)}.stat strong{display:block;font-size:1.8rem;letter-spacing:-.03em}.stat span{color:var(--muted);font-size:.92rem}.section{padding:22px 0 52px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-head h2{font-size:2rem;letter-spacing:-.035em;margin:0}.section-head p{color:var(--muted);margin:6px 0 0}.level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.level-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;min-height:156px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 9px 28px rgba(34,39,58,.045);transition:.2s ease}.level-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8d9ff}.level-card.disabled{opacity:.57;filter:saturate(.5);cursor:default}.level-card .level-name{font-size:1.8rem;font-weight:900}.level-card .cycle{color:var(--muted);font-size:.88rem}.pill{display:inline-flex;align-items:center;width:max-content;padding:5px 9px;border-radius:999px;background:#edfaf5;color:#187d60;font-size:.75rem;font-weight:800}.pill.soon{background:#f2f3f6;color:#7a8292}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 34px rgba(34,39,58,.045)}.card h1,.card h2,.card h3{letter-spacing:-.025em}.category-card{min-height:210px;display:flex;flex-direction:column}.category-icon{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:#efefff;color:#5051d6;font-weight:900;margin-bottom:18px}.category-card h3{font-size:1.25rem;margin:0 0 8px}.category-card p{color:var(--muted);margin:0}.category-card .meta{margin-top:auto;padding-top:18px;color:#5b5cf0;font-weight:800}.page-hero{padding:42px 0 22px}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;color:#7a8292;font-size:.9rem;margin-bottom:13px}.breadcrumbs a:hover{color:var(--primary)}.page-hero h1{font-size:clamp(2.2rem,5vw,4.4rem);line-height:1;letter-spacing:-.05em;margin:7px 0 13px}.level-banner{display:grid;grid-template-columns:150px 1fr;gap:24px;align-items:center;background:linear-gradient(135deg,#fff,#f3f2ff);border:1px solid #e5e4ff;border-radius:25px;padding:20px}.level-banner img{border-radius:17px;max-height:170px;object-fit:cover}.lesson-list{display:grid;gap:10px}.lesson-row{background:#fff;border:1px solid var(--line);border-radius:15px;padding:13px 16px;display:grid;grid-template-columns:46px 1fr auto;gap:13px;align-items:center}.lesson-row:hover{border-color:#cfd0ff;box-shadow:0 8px 24px rgba(34,39,58,.05)}.lesson-num{width:38px;height:38px;border-radius:12px;background:#f1f1ff;color:#5455d4;display:grid;place-items:center;font-weight:900;font-size:.83rem}.lesson-title{font-weight:780}.lesson-meta{color:var(--muted);font-size:.84rem}.progressbar{height:7px;background:#eceef3;border-radius:99px;overflow:hidden;margin-top:7px}.progressbar>span{display:block;height:100%;background:linear-gradient(90deg,#5b5cf0,#8b6dff)}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:22px;align-items:start}.lesson-main{min-width:0}.lesson-sidebar{position:sticky;top:92px}.lesson-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.lesson-tabs a{padding:9px 12px;background:#fff;border:1px solid var(--line);border-radius:12px;font-weight:750;color:#616a7c}.lesson-tabs a.active{background:#5b5cf0;color:white;border-color:#5b5cf0}.lesson-content{font-size:1.04rem}.lesson-content p{margin:0 0 18px}.source-block{white-space:pre-wrap;font-family:inherit;background:#fafaff;border:1px solid #e7e7ff;border-radius:18px;padding:22px;overflow-wrap:anywhere}.callout{border-left:4px solid var(--primary);background:#f1f1ff;padding:14px 16px;border-radius:0 14px 14px 0;margin:18px 0}.side-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;margin-bottom:14px}.side-card h3{margin:0 0 9px}.side-card .kv{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid #eff0f4}.side-card .kv:last-child{border-bottom:0}.quiz-shell{max-width:900px}.quiz-question{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;margin:0 0 15px}.quiz-question h3{margin:0 0 14px;font-size:1.07rem}.option{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid #e6e8ef;border-radius:12px;margin:8px 0;cursor:pointer}.option:hover{background:#f8f8ff}.score-box{background:linear-gradient(135deg,#252743,#5557ad);color:#fff;border-radius:24px;padding:25px;margin-bottom:18px}.score-big{font-size:3.2rem;font-weight:950;line-height:1}.game-board{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px}.word-bank{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}.word-chip{border:1px solid #dfe1e8;background:#fff;padding:9px 12px;border-radius:11px;font-weight:750;cursor:pointer}.word-chip.used{opacity:.35}.answer-zone{min-height:62px;border:2px dashed #d9dbea;border-radius:14px;padding:10px;display:flex;gap:8px;flex-wrap:wrap}.searchbar{display:flex;gap:10px}.searchbar input{flex:1}.search-results{display:grid;gap:12px;margin-top:20px}.result{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}.result mark{background:#fff2a8}.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.book-card{overflow:hidden;padding:0}.book-cover{aspect-ratio:1/1;object-fit:cover;width:100%}.book-card .body{padding:18px}.pdf-frame{width:100%;height:75vh;border:1px solid var(--line);border-radius:18px;background:#fff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid h2,.span-2{grid-column:1/-1}label{display:grid;gap:6px;font-weight:750;font-size:.9rem}input,select,textarea{width:100%;border:1px solid #dfe2e9;background:#fff;border-radius:12px;padding:11px 12px;font:inherit;color:var(--text);outline:none}input:focus,select:focus,textarea:focus{border-color:#8889f4;box-shadow:0 0 0 4px rgba(91,92,240,.1)}.checks{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0}.check{padding:6px 9px;border-radius:999px;font-size:.8rem;font-weight:800}.check.ok{background:#eaf8f2;color:#17765b}.check.ko{background:#ffecee;color:#a82f3a}.flash{padding:12px 15px;border-radius:13px;margin:16px 0;background:#eef1ff;color:#4145a6}.flash.error{background:#fff0f1;color:#a62d37}.flash.success{background:#eaf8f2;color:#176f56}.install-bg{background:radial-gradient(circle at 20% 10%,#eeeeff,transparent 35%),var(--bg)}.install-wrap{padding:50px 0}.success-panel{text-align:center;padding:42px}.footer{border-top:1px solid var(--line);margin-top:65px;background:#fff;padding:38px 0}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:30px}.footer p{color:var(--muted);margin:.3rem 0}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:11px;border-bottom:1px solid var(--line);vertical-align:top}.table th{font-size:.78rem;text-transform:uppercase;color:#7d8494;letter-spacing:.05em}.admin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.admin-stat{background:#fff;border:1px solid var(--line);border-radius:17px;padding:17px}.admin-stat strong{font-size:1.7rem;display:block}.auth-shell{padding:60px 0;display:grid;place-items:center}.auth-card{width:min(520px,100%)}code{background:#f0f1f6;border-radius:7px;padding:2px 6px}.source-page{margin-bottom:18px}.source-page summary{cursor:pointer;font-weight:800;color:#5354d0}.source-page pre{white-space:pre-wrap;font-family:inherit;background:#fafafa;border:1px solid var(--line);padding:15px;border-radius:12px}.pagination{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.pagination a,.pagination span{padding:8px 11px;border:1px solid var(--line);background:#fff;border-radius:10px}.pagination .current{background:var(--primary);color:#fff;border-color:var(--primary)}
@media(max-width:980px){.hero-grid,.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static}.level-grid,.book-grid{grid-template-columns:repeat(3,1fr)}.cards{grid-template-columns:repeat(2,1fr)}.stats,.admin-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.navlinks{display:none;position:absolute;left:16px;right:16px;top:64px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.navlinks.open{display:flex}.nav-toggle{display:block}.hero{padding-top:36px}.hero-panel{min-height:auto}.level-grid,.book-grid,.cards{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.form-grid h2,.span-2{grid-column:auto}.level-banner{grid-template-columns:90px 1fr}.lesson-row{grid-template-columns:42px 1fr}.lesson-row>.lesson-meta:last-child{display:none}.footer-grid{grid-template-columns:1fr}.searchbar{flex-direction:column}}
@media(max-width:480px){.container{width:min(var(--max),calc(100% - 22px))}.level-grid,.book-grid,.cards,.stats{grid-template-columns:1fr}.hero h1{font-size:2.65rem}.page-hero h1{font-size:2.3rem}.card{padding:18px}}