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var(--line);border-radius:var(--r-lg);padding:18px;margin-bottom:16px}.mycourse__thumb{width:120px;height:80px;border-radius:10px;flex-shrink:0}.mycourse__info{flex:1;min-width:0}.mycourse__info h3{font-size:1.05rem;margin-bottom:8px}.mycourse__metaline{font-size:.84rem;color:var(--muted);margin-bottom:10px}.mycourse__actions{display:flex;flex-direction:column;gap:8px;flex-shrink:0}@media (max-width: 620px){.mycourse{flex-direction:column;align-items:stretch}.mycourse__thumb{width:100%;height:120px}}.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}@media (max-width: 760px){.cert-grid{grid-template-columns:1fr}}.cert-card{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}.certificate{position:relative;padding:30px;color:#eef2ff;background:linear-gradient(135deg,#0e1633,#1e2a55);border-bottom:3px solid var(--signal)}.certificate:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%);mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%)}.certificate__head{display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1;margin-bottom:22px}.certificate__seal{font-size:1.8rem}.certificate__label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:#9fb0d8}.certificate__body{position:relative;z-index:1}.certificate__to{font-size:.8rem;color:#9fb0d8;margin-bottom:4px}.certificate__name{font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:14px}.certificate__course{font-size:.82rem;color:#9fb0d8;margin-bottom:2px}.certificate__course strong{display:block;font-size:1.05rem;color:#c7d2fe;font-weight:600;margin-top:2px}.certificate__foot{display:flex;justify-content:space-between;align-items:flex-end;margin-top:24px;position:relative;z-index:1;font-size:.76rem;color:#9fb0d8}.certificate__id{font-family:var(--font-mono)}.cert-card__actions{display:flex;gap:10px;padding:16px 20px}.note-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;margin-bottom:16px}.note-item__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.note-item__course{font-size:.78rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--brand)}.note-item__lesson{font-size:.85rem;color:var(--muted)}.note-item p{margin:0;color:var(--ink-soft);white-space:pre-wrap}.support-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:28px}@media (max-width: 700px){.support-cats{grid-template-columns:repeat(2,1fr)}}@media (max-width: 460px){.support-cats{grid-template-columns:1fr}}.support-cat{display:flex;align-items:center;gap:10px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);font-size:.9rem;font-weight:600}.support-cat span{font-size:1.2rem}.lesson{display:grid;grid-template-columns:1fr 340px;min-height:100vh;background:var(--bg-subtle)}@media (max-width: 1000px){.lesson{grid-template-columns:1fr}}.lesson__main{min-width:0;display:flex;flex-direction:column}.lesson__topbar{display:flex;align-items:center;gap:16px;padding:14px 24px;background:var(--ink);color:#fff;position:sticky;top:0;z-index:20}.lesson__topbar a{color:#c7d2fe;font-size:.88rem;display:inline-flex;align-items:center;gap:7px}.lesson__topbar-title{font-weight:600;font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson__topbar-prog{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:.82rem;color:#c7d2fe;min-width:120px}.lesson__topbar-prog .progress{width:80px;background:#ffffff2e}.lesson__video{aspect-ratio:16 / 9;background:radial-gradient(circle at center,#1e2a55,#0e1633);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#c7d2fe;gap:14px;position:relative}.lesson__play{width:76px;height:76px;border-radius:50%;background:#ffffff24;border:1px solid rgba(255,255,255,.25);color:#fff;font-size:1.6rem;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .15s ease,background .2s ease}.lesson__play:hover{transform:scale(1.06);background:#ffffff38}.lesson__video-label{font-size:.84rem;font-family:var(--font-mono)}.lesson__content{padding:30px clamp(20px,4vw,44px);max-width:760px}.lesson__eyebrow{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);margin-bottom:8px}.lesson__content h1{font-size:1.7rem;margin-bottom:18px}.lesson__content h2{font-size:1.2rem;margin:28px 0 12px}.lesson__content p{color:var(--ink-soft)}.lesson__box{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;padding:22px;margin:24px 0}.lesson__box h3{display:flex;align-items:center;gap:10px;font-size:1.05rem;margin-bottom:14px}.resource-link{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:10px;font-size:.9rem;color:var(--ink-soft);cursor:pointer;transition:border-color .15s ease,background .15s ease}.resource-link:hover{border-color:var(--brand);background:var(--bg-subtle)}.resource-link span:first-child{font-size:1.2rem}.resource-link .dl{margin-left:auto;color:var(--brand);font-weight:600;font-size:.82rem}.quiz-q{font-weight:600;margin-bottom:14px}.quiz-opt{display:flex;align-items:center;gap:11px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:10px;cursor:pointer;transition:border-color .15s ease,background .15s ease}.quiz-opt:hover{border-color:var(--brand)}.quiz-opt.is-correct{border-color:var(--success);background:var(--success-50)}.quiz-opt.is-wrong{border-color:#ef4444;background:#fef2f2}.quiz-opt input{accent-color:var(--brand)}.lesson__nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px clamp(20px,4vw,44px) 40px;max-width:760px}.lesson__side{background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column}@media (max-width: 1000px){.lesson__side{border-left:0;border-top:1px solid var(--line)}}.lesson__side-head{padding:20px 22px;border-bottom:1px solid var(--line)}.lesson__side-head h2{font-size:1.02rem;margin-bottom:12px}.lesson__side-prog{display:flex;align-items:center;gap:10px;font-size:.8rem;color:var(--muted)}.lesson__side-list{overflow-y:auto;padding:12px 0}.lesson__mod-title{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-family:var(--font-mono);padding:14px 22px 8px}.lesson__side-lesson{display:flex;align-items:center;gap:11px;padding:11px 22px;font-size:.88rem;color:var(--ink-soft);cursor:pointer;border-left:3px solid transparent;transition:background .12s ease;width:100%;text-align:left;background:none;border-top:0;border-right:0;border-bottom:0;font-family:var(--font-body)}.lesson__side-lesson:hover{background:var(--bg-subtle)}.lesson__side-lesson.is-active{background:var(--brand-50);border-left-color:var(--brand);color:var(--brand-700);font-weight:600}.lesson__side-check{width:20px;height:20px;flex-shrink:0;border-radius:50%;border:2px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;font-size:.7rem}.lesson__side-check.is-done{background:var(--success);border-color:var(--success);color:#fff}.lesson__side-lesson-title{flex:1;min-width:0}.lesson__side-dur{font-size:.74rem;color:var(--muted)}.admin{background:var(--bg-subtle);min-height:100vh}.admin__bar{background:var(--ink);color:#fff;padding:16px 0}.admin__bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}.admin__bar .badge{background:#ffffff24;color:#fff}.admin__tag{font-family:var(--font-mono);font-size:.78rem;color:#9fb0d8}.admin__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:28px}@media (max-width: 820px){.admin__stats{grid-template-columns:repeat(2,1fr)}}@media (max-width: 520px){.admin__stats{grid-template-columns:1fr}}.astat{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px}.astat__label{font-size:.82rem;color:var(--muted);display:flex;align-items:center;gap:8px}.astat__num{font-family:var(--font-display);font-size:2rem;font-weight:700;margin-top:8px;line-height:1}.astat__delta{font-size:.8rem;margin-top:6px;font-weight:600}.astat__delta.up{color:var(--success)}.admin__cols{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start}@media (max-width: 900px){.admin__cols{grid-template-columns:1fr}}.chart{display:flex;align-items:flex-end;gap:12px;height:180px;padding-top:10px}.chart__bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end}.chart__fill{width:100%;max-width:46px;border-radius:8px 8px 0 0;background:var(--gradient);transition:height .4s ease}.chart__label{font-size:.76rem;color:var(--muted);font-family:var(--font-mono)}.atable{width:100%;border-collapse:collapse;font-size:.9rem}.atable th{text-align:left;font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-family:var(--font-mono);padding:10px 12px;border-bottom:1px solid var(--line)}.atable td{padding:13px 12px;border-bottom:1px solid var(--line);color:var(--ink-soft)}.atable tr:last-child td{border-bottom:0}.atable__course{font-weight:600;color:var(--ink)}.status{font-size:.74rem;font-weight:700;padding:3px 9px;border-radius:999px}.status--published{background:var(--success-50);color:var(--success)}.status--draft{background:#eef0f5;color:var(--muted)}.admin__actions{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.admin__action{display:flex;align-items:center;gap:12px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);font-weight:600;font-size:.9rem;cursor:pointer;transition:border-color .15s ease,transform .15s ease}.admin__action:hover{border-color:var(--brand);transform:translateY(-2px)}.admin__action span{font-size:1.3rem}.activity-item{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line);font-size:.9rem}.activity-item:first-child{border-top:0}.activity-item__avatar{width:34px;height:34px;flex-shrink:0;border-radius:50%;background:var(--gradient-soft);display:inline-flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;color:var(--brand-700)}.activity-item__text{flex:1;color:var(--ink-soft)}.activity-item__text strong{color:var(--ink)}.activity-item__time{font-size:.74rem;color:var(--muted);white-space:nowrap}.notfound{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 24px}.notfound__code{font-family:var(--font-display);font-size:clamp(4rem,14vw,8rem);font-weight:700;line-height:1;background:var(--gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.page-section{padding-block:clamp(44px,6vw,72px)}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}@media (max-width: 700px){.contact-cards{grid-template-columns:1fr}}.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;text-align:center}.contact-card__icon{font-size:1.6rem;margin-bottom:10px}.contact-card h3{font-size:1rem;margin-bottom:4px}.contact-card p{font-size:.88rem;color:var(--muted);margin:0}