@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700;800&display=swap');
:root{--lav:#8d82a2;--lav-dark:#6e647f;--lav-soft:#ebe7ef;--ink:#28252c;--muted:#77717d;--line:#ded9e3;--bg:#f6f5f7;--paper:#fff;--ok:#3f795d;--bad:#a34d5a;--warn:#9a7537;--shadow:0 18px 55px rgba(55,46,65,.10);--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Open Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button:disabled{opacity:.55;cursor:not-allowed}.boot{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--muted)}.boot img{width:min(220px,48vw);height:auto;filter:invert(1);mix-blend-mode:multiply;animation:bootPulse 1.35s ease-in-out infinite}.boot span{font-size:11px;letter-spacing:.22em;font-weight:700;opacity:.68}@keyframes bootPulse{0%,100%{opacity:.62;transform:scale(.985)}50%{opacity:1;transform:scale(1)}}.topbar{position:sticky;top:0;z-index:50;background:rgba(246,245,247,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(222,217,227,.85)}.nav{max-width:1240px;margin:auto;padding:14px 24px;display:flex;align-items:center;gap:28px}.brand{font-weight:950;letter-spacing:.13em;white-space:nowrap}.brand span{color:var(--lav)}.links{display:flex;gap:22px;flex:1}.links a{font-size:14px;color:var(--muted);transition:.2s}.links a:hover{color:var(--ink)}.actions{display:flex;align-items:center;gap:9px}.actions select{border:1px solid var(--line);background:var(--paper);border-radius:11px;padding:10px}.wrap{max-width:1240px;margin:auto;padding:38px 24px}.btn{border:0;border-radius:13px;padding:11px 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h1,.page-head h1{font-size:clamp(48px,6.4vw,82px);line-height:.96;letter-spacing:-.045em;margin:15px 0 22px;max-width:840px}.lead{font-size:18px;line-height:1.65;color:var(--muted);max-width:720px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.row.start{justify-content:flex-start;flex-wrap:wrap}.trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:13px}.hero-card{min-height:500px;border-radius:34px;background:linear-gradient(145deg,#dcd7e4,#887a9c);padding:26px;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero-art{height:100%;min-height:448px;display:grid;place-items:center;position:relative}.orb{width:330px;height:330px;border-radius:50%;background:radial-gradient(circle at 35% 25%,#f6f2f8 0,#bbb0c8 35%,#766987 72%,#51475d 100%);box-shadow:inset -20px -28px 60px rgba(0,0,0,.18),0 25px 60px rgba(55,44,68,.22)}.glass{position:absolute;bottom:30px;left:30px;right:30px;padding:22px;border:1px solid rgba(255,255,255,.38);background:rgba(255,255,255,.16);backdrop-filter:blur(18px);border-radius:18px;color:#fff;display:flex;justify-content:space-between;align-items:center}.glass b{font-size:22px;letter-spacing:.1em}.glass span{font-size:11px;letter-spacing:.12em}.section{padding:50px 0}.section h2,.card h2{font-size:34px;margin:8px 0 20px;letter-spacing:-.025em}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 8px 26px rgba(52,43,61,.045)}.course-card{padding:0;overflow:hidden}.card-body{padding:18px}.course-cover{aspect-ratio:16/10;background:linear-gradient(135deg,#d8d2df,#8f819f);background-size:cover;background-position:center;display:flex;align-items:end;padding:20px;color:#fff;font-weight:900;font-size:21px}.course-card h3{font-size:22px;margin:8px 0}.muted{color:var(--muted)}.muted-light{color:#d7d0dd}.price{font-size:24px;font-weight:950}.price.xl{font-size:38px;margin:22px 0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature{border-top:1px solid var(--line);padding:24px 0}.feature>b{color:var(--lav)}.feature h3{font-size:23px}.feature p{line-height:1.65;color:var(--muted)}.page-head{padding:55px 0 42px}.page-title{font-size:clamp(40px,5vw,62px);letter-spacing:-.04em;margin:10px 0 24px}.course-hero{display:grid;grid-template-columns:1fr .9fr;gap:42px;align-items:center;padding:52px 0}.course-hero h1{font-size:clamp(48px,6vw,72px);letter-spacing:-.045em;line-height:.98}.facts{display:flex;gap:24px;color:var(--muted)}.facts b{color:var(--ink)}.video-shell{background:#201c25;color:#fff;border-radius:26px;padding:20px;box-shadow:var(--shadow)}.video-box{aspect-ratio:16/9;border-radius:18px;background:radial-gradient(circle at 50% 30%,#675c73,#2c2632 64%,#1b1820);display:grid;place-items:center;text-align:center;padding:25px}.play-ring{width:76px;height:76px;border-radius:50%;border:1px solid rgba(255,255,255,.4);display:grid;place-items:center;font-size:26px;padding-left:4px}.preview-shell .btn{margin-top:15px}.two-col{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}.lesson-line{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.lesson-line span{color:var(--lav);font-weight:900}.auth-layout{min-height:640px;display:grid;grid-template-columns:1fr 500px;gap:60px;align-items:center}.auth-copy h1{font-size:clamp(48px,6vw,76px);letter-spacing:-.045em}.form-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:var(--shadow)}.form-card.narrow{max-width:620px}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}.field label{font-size:13px;font-weight:800}.field input,.field textarea,.field select,.table select{width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 13px;outline:none}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--lav);box-shadow:0 0 0 3px var(--lav-soft)}.field small{color:var(--muted)}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 28px}.tab{border:1px solid var(--line);background:#fff;border-radius:99px;padding:9px 14px;font-size:13px}.tab.active{background:var(--lav);color:#fff;border-color:var(--lav)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}.stat span{color:var(--muted);display:block;font-size:13px}.stat b{font-size:31px;display:block;margin-top:8px}.pill,.tag,.status{display:inline-flex;border-radius:99px;padding:6px 10px;font-size:12px;font-weight:800}.pill,.tag{background:var(--lav-soft);color:var(--lav-dark)}.learning-layout{display:grid;grid-template-columns:310px 1fr;gap:22px}.lesson-list{display:flex;flex-direction:column;gap:8px}.lesson-btn{border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px;text-align:left;cursor:pointer;display:flex;gap:12px;align-items:center}.lesson-btn span{width:30px;height:30px;border-radius:50%;background:var(--lav-soft);display:grid;place-items:center;font-weight:900}.lesson-btn.active{border-color:var(--lav);box-shadow:0 0 0 2px var(--lav-soft)}.subtitle-row{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:15px}.lock{font-size:34px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:middle}.table th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.table td small{display:block;color:var(--muted);margin-top:3px}.status.paid{background:#e3f1e8;color:var(--ok)}.status.pending{background:#f6eddc;color:var(--warn)}.status.failed,.status.cancelled,.status.refunded{background:#f6e3e6;color:var(--bad)}.checkout-grid{display:grid;grid-template-columns:1fr 380px;gap:32px;align-items:start}.checkout-item{display:flex;justify-content:space-between;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.checkout-item small{display:block;color:var(--muted);margin-top:4px}.summary{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;position:sticky;top:95px}.summary>span{color:var(--muted)}.summary>strong{display:block;font-size:38px;margin:8px 0 18px}.center-card{max-width:700px;margin:80px auto;text-align:center;background:#fff;border:1px solid var(--line);border-radius:30px;padding:48px;box-shadow:var(--shadow)}.success-mark{width:70px;height:70px;border-radius:50%;background:#e2f0e7;color:var(--ok);font-size:36px;display:grid;place-items:center;margin:auto}.admin-layout{display:grid;grid-template-columns:230px 1fr;gap:22px;align-items:start}.admin-nav{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px;position:sticky;top:95px}.admin-nav a{display:block;padding:11px 12px;border-radius:11px;font-size:13px;color:var(--muted)}.admin-nav a.active{background:var(--lav-soft);color:var(--lav-dark);font-weight:800}.admin-stats{grid-template-columns:repeat(4,1fr);margin-bottom:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.span2{grid-column:span 2}.content-row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.content-row b,.content-row small{display:block;margin-top:5px}.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.legal{max-width:850px;line-height:1.75}.drawer{position:fixed;right:18px;top:80px;width:min(420px,calc(100vw - 36px));max-height:calc(100vh - 100px);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;z-index:70;box-shadow:0 28px 80px rgba(42,34,50,.2)}.hidden{display:none!important}.drawer-items{margin:14px 0}.drawer-item{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}.drawer-item small{display:block;color:var(--muted);margin-top:4px}.drawer-total{display:flex;justify-content:space-between;padding:16px 0;font-size:18px}.toast{position:fixed;right:22px;bottom:22px;z-index:100;background:var(--ink);color:#fff;border-radius:14px;padding:13px 17px;box-shadow:var(--shadow);max-width:390px}.toast.bad,.notice.bad{background:#f7e5e8;color:#7d3542;border-color:#e6bdc5}.notice{padding:15px 17px;border:1px solid #d9d2e1;background:var(--lav-soft);border-radius:14px}.footer-grid{display:flex;justify-content:space-between;gap:20px;align-items:center}.footer-links{display:flex;gap:18px;color:var(--muted);font-size:13px}footer{border-top:1px solid var(--line);margin-top:60px}.hide-sm{display:inline-flex}@media(max-width:980px){.grid{grid-template-columns:repeat(2,1fr)}.hero,.course-hero{grid-template-columns:1fr}.hero{min-height:auto}.hero-card{min-height:400px}.two-col{grid-template-columns:1fr}.auth-layout{grid-template-columns:1fr;gap:20px}.checkout-grid{grid-template-columns:1fr}.summary{position:static}.admin-layout{grid-template-columns:1fr}.admin-nav{position:static;display:flex;overflow:auto}.admin-nav a{white-space:nowrap}.admin-stats{grid-template-columns:repeat(2,1fr)}.learning-layout{grid-template-columns:1fr}.lesson-list{display:grid;grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.wrap{padding:26px 16px}.nav{padding:12px 16px}.links{display:none}.hide-sm{display:none}.grid,.feature-grid,.stats,.news-grid,.form-grid{grid-template-columns:1fr}.span2{grid-column:auto}.hero{padding:28px 0;gap:24px}.hero-card{min-height:315px}.hero-art{min-height:260px}.orb{width:220px;height:220px}.glass{left:16px;right:16px;bottom:16px;padding:15px}.glass span{display:none}.course-hero{padding:30px 0}.page-title{font-size:42px}.learning-layout{display:block}.lesson-list{display:flex;margin-bottom:16px}.footer-grid{align-items:flex-start;flex-direction:column}.footer-links{flex-wrap:wrap}.admin-stats{grid-template-columns:1fr 1fr}.subtitle-row{align-items:flex-start;flex-direction:column}}
.stream-frame{width:100%;height:100%;min-height:420px;border:0;border-radius:18px;background:#151218;display:block}
@media(max-width:700px){.stream-frame{min-height:240px}}
.tariff-grid{display:grid;gap:10px;margin:22px 0}.tariff-option{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;border:1px solid var(--line);background:#fff;border-radius:16px;padding:14px 16px;cursor:pointer}.tariff-option:has(input:checked){border-color:var(--lav);box-shadow:0 0 0 2px var(--lav-soft)}.tariff-option input{width:18px;height:18px;accent-color:var(--lav)}.tariff-option span{display:flex;flex-direction:column;gap:3px}.tariff-option small{color:var(--muted)}.tariff-option strong{font-size:18px}.section-gap{margin-top:20px}
/* VIT ART visual identity refresh */
.brand-logo{display:inline-flex;align-items:center;flex:0 0 auto;background:transparent;border-radius:0;overflow:visible;box-shadow:none}
.brand-logo img{display:block;width:128px;height:46px;object-fit:contain;object-position:center;filter:invert(1);mix-blend-mode:multiply}
.footer-logo img{width:148px;height:54px}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.footer-brand p{margin:0}
.author-hero{padding:0;min-height:560px;background:linear-gradient(145deg,#e8e4ed 0%,#cbc3d3 48%,#a79caf 100%);isolation:isolate}
.author-orb{position:absolute;z-index:2;top:34px;left:50%;transform:translateX(-50%);width:min(82%,430px);aspect-ratio:1;border-radius:50%;overflow:hidden;background:#aaa9ad;border:1px solid rgba(255,255,255,.55);box-shadow:inset -20px -30px 70px rgba(56,48,63,.14),0 24px 58px rgba(58,48,67,.18)}
.author-orb-glow{position:absolute;z-index:1;width:72%;height:72%;left:50%;top:80px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.55),rgba(255,255,255,0) 70%);filter:blur(10px)}
.hero-author-photo{width:100%;height:100%;object-fit:contain;object-position:center bottom;display:block;transform:scale(1.045);transform-origin:center bottom}
.author-glass{z-index:4;bottom:24px;left:24px;right:24px;background:rgba(55,48,61,.42);border-color:rgba(255,255,255,.42);box-shadow:0 14px 36px rgba(49,41,56,.12)}.author-glass>div{display:flex;flex-direction:column;gap:4px}.author-glass b{font-size:30px;letter-spacing:.08em}.author-glass>span{font-size:11px;letter-spacing:.14em}.author-kicker{font-size:10px;letter-spacing:.18em;opacity:.86}
.author-strip{margin:-8px 0 26px;display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:center;padding:24px 28px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.64);box-shadow:0 10px 34px rgba(52,43,61,.045)}.author-strip>div{display:flex;flex-direction:column;gap:5px}.author-strip strong{font-size:28px;letter-spacing:-.02em}.author-strip p{margin:0;color:var(--muted);font-size:16px;line-height:1.6;max-width:720px}

/* Admin media library */
.library-tools{display:grid;grid-template-columns:minmax(190px,260px) minmax(260px,1fr);gap:12px;margin:16px 0}.library-tools select,.library-tools input{width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;padding:11px 13px;outline:none}.library-tools select:focus,.library-tools input:focus{border-color:var(--lav);box-shadow:0 0 0 3px var(--lav-soft)}
.admin-media-table{min-width:960px}.admin-actions{white-space:nowrap}.admin-actions .btn{margin:2px}.file-btn{position:relative}.media-state{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--muted)}.media-state.ok{color:var(--ok)}
#lessonEditCard{border-color:#cfc7d7;box-shadow:0 16px 42px rgba(66,55,76,.08)}

@media(max-width:980px){.author-hero{min-height:590px}.author-orb{width:min(78%,470px);top:30px}}
@media(max-width:720px){.brand-logo img{width:106px;height:40px}.footer-logo img{width:132px;height:48px}.author-hero{min-height:470px}.author-orb{width:86%;top:26px}.author-glass{left:14px;right:14px;bottom:14px;padding:14px}.author-glass b{font-size:24px}.author-strip{grid-template-columns:1fr;gap:10px;padding:20px}.author-strip strong{font-size:24px}.library-tools{grid-template-columns:1fr}}

/* V3 — Comfortaa + course-level preview management */
body{font-weight:400}
.hero h1,.page-head h1,.page-title,.course-hero h1,.auth-copy h1{font-weight:700;letter-spacing:-.035em}
.section h2,.card h2,.course-card h3,.feature h3{font-weight:700;letter-spacing:-.02em}
.btn,.brand,.eyebrow,.mini,.table th,.pill,.tag,.status{font-weight:700}
.course-preview-admin{border-color:#d5cfdd;background:linear-gradient(180deg,#fff 0%,#fbfafc 100%)}
.course-preview-admin .pill{white-space:nowrap}
.course-preview-admin .field small{margin-top:4px;line-height:1.45}
.media-architecture-note{margin-bottom:20px;line-height:1.6}
.media-architecture-note a{color:var(--lav-dark);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
@media(max-width:720px){.course-preview-admin .row{align-items:flex-start;flex-direction:column}.course-preview-admin .pill{align-self:flex-start}}

/* V4 — Open Sans, branded loading state, Paddle-ready policy UI */
.checkout-consent{display:grid;grid-template-columns:20px 1fr;gap:10px;align-items:start;margin:18px 0;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fbfafc;font-size:13px;line-height:1.55}.checkout-consent input{width:18px;height:18px;margin-top:2px;accent-color:var(--lav)}.checkout-consent a{text-decoration:underline;text-underline-offset:3px;color:var(--lav-dark)}
.legal-rich{max-width:920px}.legal-rich>.lead{max-width:820px}.legal-sections{display:grid;gap:14px;margin-top:30px}.legal-sections section{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px;box-shadow:0 7px 24px rgba(52,43,61,.035)}.legal-sections h2{font-size:20px;margin:0 0 8px;letter-spacing:-.02em}.legal-sections p{margin:0;color:var(--muted);line-height:1.72}.legal-version{margin-top:20px;color:var(--muted);font-size:12px}

/* V5 — SELF / PLUS product architecture */
.hero>div:first-child{min-width:0}.hero h1{font-size:clamp(44px,5.2vw,70px);line-height:1.02;letter-spacing:-.035em;max-width:760px}
.digital-product-note{margin-top:18px;padding:14px 16px;border-left:3px solid var(--lav);background:rgba(235,231,239,.58);border-radius:0 14px 14px 0;display:flex;flex-direction:column;gap:4px}.digital-product-note span{color:var(--muted);font-size:13px;line-height:1.5}
.plan-badge{display:inline-flex;align-items:center;justify-content:center;border-radius:99px;padding:6px 10px;font-size:11px;font-weight:800;letter-spacing:.06em}.plan-badge.self{background:#eeebf1;color:#625a6e}.plan-badge.plus{background:#28252c;color:#fff}.mini-plan{padding:3px 7px;font-size:9px;margin-right:4px}.tariff-option.plan-plus{background:linear-gradient(135deg,#fff,#f2eff5)}.tariff-option.plan-plus:has(input:checked){border-color:#61586d;box-shadow:0 0 0 2px #e4dfe9}
.course-account-list{display:grid;gap:20px}.account-course{display:grid;grid-template-columns:280px 1fr;padding:0;overflow:hidden}.account-course .course-cover{height:100%;min-height:230px;aspect-ratio:auto}.account-course-body{padding:24px}.account-course-body h3{font-size:25px;margin:0}.account-course-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.progress-line{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:11px 0;margin:15px 0;color:var(--muted)}.progress-line b{color:var(--ink)}.certificate-ok{color:var(--ok);font-weight:700;font-size:13px}
.course-learning-head{align-items:flex-start}.learning-head-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.v5-lesson-btn>div{display:flex;flex-direction:column;gap:2px;min-width:0}.v5-lesson-btn b{white-space:normal}.v5-lesson-btn small{color:var(--muted);font-size:10px}.student-work-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.assignment-box{border-top:1px solid var(--line);padding-top:15px;margin-top:12px}.assignment-box .student-submission-form{margin-top:18px}.assignment-box.status-approved{border-top-color:#b7d3c2}.file-chip-row{display:flex;gap:8px;flex-wrap:wrap}.file-chip{display:inline-flex;align-items:center;border:1px solid var(--line);background:#fff;border-radius:99px;padding:7px 11px;font-size:12px;font-weight:700}.file-chip:hover{border-color:var(--lav)}
.submission-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);gap:20px;align-items:start}.submission-version{padding:15px 0;border-bottom:1px solid var(--line)}.submission-version:last-child{border-bottom:0}.dialogue-card{position:sticky;top:95px}.message-thread{display:flex;flex-direction:column;gap:10px;max-height:520px;overflow:auto;padding:4px 2px 16px}.message{max-width:90%;border-radius:15px;padding:11px 13px;background:#f2eff4}.message.teacher{align-self:flex-end;background:#ded8e5}.message p{margin:5px 0;line-height:1.5}.message small{font-size:10px;color:var(--muted)}
.dashboard-quick{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.quick-card{display:flex;flex-direction:column;gap:6px}.quick-card b{font-size:18px}.quick-card span{color:var(--muted);font-size:13px;line-height:1.5}.v5-admin-stats{grid-template-columns:repeat(3,1fr)}.span-stat{grid-column:span 3}
#productCourseSelect{border:1px solid var(--line);border-radius:12px;background:#fff;padding:11px 13px;min-width:260px}.tariff-admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.tariff-admin-card{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fbfafc}.new-tariff-box{margin-top:16px;border:1px dashed var(--line);border-radius:18px;padding:14px}.new-tariff-box summary{cursor:pointer;font-weight:800}.new-tariff-box .tariff-admin-card{margin-top:14px}.lesson-assignment-row{display:grid;grid-template-columns:minmax(210px,1fr) 150px minmax(240px,1.4fr) auto;gap:10px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.lesson-assignment-row small{display:block;color:var(--muted);margin-top:3px}.lesson-assignment-row input[type="text"],.lesson-assignment-row input:not([type]){border:1px solid var(--line);border-radius:10px;padding:9px 10px}.toggle-line{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700}.toggle-line input{width:18px;height:18px;accent-color:var(--lav)}.big-toggle{margin:16px 0;font-size:15px}.runtime-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.runtime-grid>div{border:1px solid var(--line);border-radius:13px;padding:12px}.runtime-grid span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase}.runtime-grid b{display:block;margin-top:4px}.support-channel,.support-contact{min-width:130px;border:1px solid var(--line);border-radius:9px;padding:8px}.certificate-ok{margin-bottom:0}
code{background:#f1edf3;border-radius:7px;padding:3px 6px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px}.faq-item{border-bottom:1px solid var(--line);padding:14px 0}.faq-item summary{cursor:pointer;font-weight:800}
@media(max-width:1050px){.tariff-admin-grid{grid-template-columns:1fr}.lesson-assignment-row{grid-template-columns:1fr 1fr}.lesson-assignment-row .lesson-assignment-text{grid-column:span 2}.runtime-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.account-course{grid-template-columns:1fr}.account-course .course-cover{min-height:190px}.student-work-grid,.submission-layout{grid-template-columns:1fr}.dialogue-card{position:static}.dashboard-quick{grid-template-columns:1fr}.v5-admin-stats{grid-template-columns:1fr 1fr}.span-stat{grid-column:span 2}.runtime-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.hero h1{font-size:clamp(40px,12vw,58px)}.lesson-assignment-row{grid-template-columns:1fr}.lesson-assignment-row .lesson-assignment-text{grid-column:auto}.runtime-grid,.v5-admin-stats{grid-template-columns:1fr}.span-stat{grid-column:auto}.learning-head-meta{justify-content:flex-start}.account-course-actions .btn{width:100%}}
.certificate-template-box{display:grid;grid-template-columns:minmax(220px,1fr) minmax(220px,1fr) auto auto;gap:10px;align-items:center;border:1px dashed var(--line);border-radius:16px;padding:14px;background:#fbfafc}.certificate-template-box>div{display:flex;flex-direction:column;gap:4px}.certificate-template-box small{color:var(--muted);line-height:1.4}.certificate-template-box input[type=file]{max-width:100%}@media(max-width:900px){.certificate-template-box{grid-template-columns:1fr}}