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.tutor-accordion-item-body,.tutor-accordion-item-body-content,.tutor-nav:not(.tutor-dashboard-permalinks){background-color:#0d171e!important}.tutor-wrap .tutor-color-secondary,.tutor-wrap .tutor-color-muted,.tutor-wrap .tutor-color-subdued,.tutor-wrap .tutor-color-hints{color:#aabecb!important}.eh-footer h2{color:#f4f8fa!important}
.eh-skip,.eh-screen-reader{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.eh-skip:focus{position:fixed;top:12px;left:12px;width:auto;height:auto;padding:12px;clip-path:none;background:var(--eh-lime);color:#000;z-index:1000}
.eh-header{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--eh-line);background:rgba(6,10,13,.94);backdrop-filter:blur(18px)}.admin-bar .eh-header{top:32px}.eh-header__inner{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:25px}.eh-brand{display:inline-flex;align-items:center;gap:10px;color:var(--eh-text);text-decoration:none;font-size:1.2rem;font-weight:800;letter-spacing:-.045em}.eh-brand img{width:46px;height:46px;border-radius:50%}.eh-brand__accent{color:var(--eh-cyan)}.eh-brand small{display:block;font-size:.5rem;color:var(--eh-muted);letter-spacing:.11em;font-weight:500}.eh-nav{display:flex;align-items:center;gap:25px}.eh-nav>a{font-size:.84rem;text-decoration:none;color:#c7d2d8}.eh-nav>a:hover{color:var(--eh-lime)}.eh-nav__login{border-left:1px solid var(--eh-line);padding-left:25px}.eh-menu-toggle{display:none;color:var(--eh-text);border:1px solid var(--eh-line);padding:8px 12px;border-radius:9px;background:var(--eh-surface)}.eh-header .eh-button{gap:12px}
.eh-hero{min-height:720px;padding:80px 0 100px}.eh-hero h1{font-size:clamp(3.2rem,6.7vw,6rem);line-height:.98}.eh-subject-strip{border-block:1px solid var(--eh-line);background:#0a1014}.eh-subject-strip>.eh-wrap{min-height:78px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px;padding-block:20px}.eh-subject-strip span{font-size:.85rem;color:#c7d2d8}.eh-subject-strip span:first-child{color:var(--eh-muted);font-size:.73rem}.eh-live-dot{display:inline-block;width:7px;height:7px;margin-right:8px;background:var(--eh-lime);border-radius:50%;box-shadow:0 0 14px #b7ff0070}
.eh-terminal{position:relative;margin:-96px -8px 0 5px;border:1px solid #263942;background:rgba(10,18,24,.96);border-radius:14px;box-shadow:0 25px 65px #0008;transform:rotate(-3deg)}.eh-terminal__bar{display:flex;align-items:center;gap:6px;padding:14px 18px;border-bottom:1px solid var(--eh-line)}.eh-terminal__bar i{width:7px;height:7px;border-radius:50%;background:#ff6b6b}.eh-terminal__bar i:nth-child(2){background:#ffd166}.eh-terminal__bar i:nth-child(3){background:#a4e584}.eh-terminal__bar span{margin-left:auto;color:var(--eh-muted);font:11px ui-monospace,monospace}.eh-terminal pre,.eh-code-panel pre{overflow:auto;padding:22px;margin:0;font:12px/1.9 ui-monospace,SFMono-Regular,Consolas,monospace;color:#d8e4eb;tab-size:4}.eh-code-purple{color:#c4a3ff}.eh-code-green{color:#b7e899}.eh-code-yellow{color:#ffd580}.eh-code-comment{color:#8299a5}
.eh-section-heading{display:flex;align-items:end;justify-content:space-between;gap:32px}.eh-section-heading>.eh-copy{max-width:340px}.eh-filters{display:flex;flex-wrap:wrap;gap:9px;margin:30px 0}.eh-filters button{border:1px solid var(--eh-line);border-radius:99px;padding:9px 18px;background:transparent;color:var(--eh-muted);font-size:.85rem;cursor:pointer}.eh-filters button[aria-pressed=true]{background:var(--eh-lime);color:#101704;border-color:var(--eh-lime)}.eh-course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.eh-course{overflow:hidden;border:1px solid var(--eh-line);border-radius:18px;background:var(--eh-surface)}.eh-course__image{height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;background:radial-gradient(ellipse at center,#163d48,transparent),repeating-linear-gradient(0deg,transparent,transparent 23px,#ffffff06 24px),#0b181f;color:var(--eh-cyan)}.eh-course__image img{width:100%;height:100%;object-fit:cover}.eh-course__glyph{font:700 65px ui-monospace,monospace}.eh-course__visual-label{font:10px ui-monospace,monospace;letter-spacing:.2em}.eh-course__body{padding:24px}.eh-course__body h3{font-size:1.3rem;line-height:1.3;margin:18px 0 12px}.eh-course__body h3 a{color:var(--eh-text);text-decoration:none}.eh-course__body p{color:var(--eh-muted);font-size:.9rem}.eh-course__meta{display:flex;justify-content:space-between;gap:10px;font-size:.7rem;color:var(--eh-cyan)}.eh-course__meta span:last-child{color:var(--eh-lime)}.eh-course .eh-card__link{font-size:.85rem;text-decoration:none}
.eh-lab{background:radial-gradient(ellipse at left,#13c8ff09,transparent)}.eh-lab .eh-path{align-items:center;gap:55px}.eh-lab-tags{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 30px}.eh-lab-tags span{border:1px solid var(--eh-line);padding:4px 10px;border-radius:5px;color:var(--eh-muted);font-size:.7rem}.eh-code-panel{min-width:0;border:1px solid #263942;border-radius:18px;overflow:hidden;background:#0b1319;box-shadow:0 25px 90px #0004}.eh-code-panel pre{font-size:13px}.eh-code-output{display:grid;gap:10px;padding:20px 24px;background:#b7ff0007;border-block:1px solid var(--eh-line)}.eh-code-output span{color:var(--eh-muted);font:10px ui-monospace,monospace;letter-spacing:.15em}.eh-code-output samp{color:var(--eh-lime);font-size:13px}.eh-code-panel details{padding:18px 24px;font-size:.82rem;color:var(--eh-muted)}.eh-code-panel summary{cursor:pointer;color:var(--eh-text)}.eh-code-panel details code{color:var(--eh-cyan)}
.eh-footer{padding:65px 0 0;background:#080e12;border-top:1px solid var(--eh-line)}.eh-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.eh-footer h2{font-size:.85rem;margin:0 0 18px}.eh-footer p{color:var(--eh-muted);font-size:.85rem}.eh-footer__grid>div>a:not(.eh-brand){display:block;margin:10px 0;text-decoration:none;color:var(--eh-muted);font-size:.8rem}.eh-footer a:hover{color:var(--eh-lime)}.eh-footer__bottom{margin-top:50px;padding-block:22px;border-top:1px solid var(--eh-line);display:flex;justify-content:space-between;gap:15px;color:var(--eh-muted);font-size:.7rem}.eh-footer__bottom a{color:var(--eh-muted);text-decoration:none}.eh-reading{min-height:60vh;max-width:900px}.eh-reading h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.12;letter-spacing:-.035em}.eh-entry{margin-bottom:50px}.eh-entry__content{overflow-wrap:anywhere;color:#bfced6}.eh-entry__content pre{background:#101d24;padding:20px;overflow:auto}.eh-entry__content h2,.eh-entry__content h3{color:var(--eh-text)}.eh-entry__content input,.eh-entry__content textarea{max-width:100%}
@media(max-width:1100px){.eh-nav{gap:16px}.eh-nav__login{padding-left:16px}.eh-brand{font-size:1.05rem}}
@media(max-width:980px){.eh-header__inner{min-height:75px}.eh-menu-toggle{display:block}.eh-nav{display:none;position:absolute;top:100%;left:0;right:0;padding:24px;background:#0d151a;border-bottom:1px solid var(--eh-line);align-items:stretch;flex-direction:column}.eh-nav.is-open{display:flex}.eh-nav>a{padding:10px}.eh-nav__login{border:0}.eh-hero{padding:65px 0}.eh-hero__grid{gap:55px}.eh-hero__visual{width:100%;max-width:440px}.eh-hero h1{font-size:clamp(3.3rem,8vw,5.8rem)}.eh-course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.eh-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}.eh-section-heading{align-items:start;flex-direction:column;gap:8px}}
@media(max-width:640px){.eh-hero h1{font-size:clamp(2.9rem,11vw,4.3rem)}.eh-hero__visual{max-width:360px}.eh-terminal{margin-top:-50px;margin-inline:0;transform:none}.eh-terminal pre{font-size:10px;padding:15px}.eh-logo-orbit{max-width:290px}.eh-subject-strip>.eh-wrap{justify-content:start;column-gap:22px}.eh-subject-strip span:first-child{width:100%}.eh-course-grid{grid-template-columns:1fr}.eh-footer__bottom{flex-direction:column}.eh-footer__grid{gap:28px 20px}.eh-footer__grid>div:first-child{grid-column:1/-1}.eh-code-panel pre{font-size:11px;padding:18px 12px}.eh-hero__lead{font-size:1rem}.eh-header .eh-brand small{font-size:.43rem}.admin-bar .eh-header{top:46px}}