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11px;font-size:12px;font-weight:700;display:inline-block}.a-badge--hot{color:#f97316;background:#fff1e6}.a-badge--ok{color:#16a34a;background:#e8f9ef}.a-badge--muted{color:#6b7285;background:#f1f2f6}.a-form{flex-direction:column;gap:16px;display:flex}.a-form__row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.a-field{flex-direction:column;gap:7px;display:flex}.a-field>span{color:var(--a-ink);font-size:13px;font-weight:600}.a-field input,.a-field select,.a-field textarea{border:1px solid var(--a-line);color:var(--a-ink);font:inherit;resize:vertical;background:#fbfcfe;border-radius:11px;padding:11px 14px;font-size:13.5px;transition:border-color .2s,box-shadow .2s}.a-field input:focus,.a-field select:focus,.a-field textarea:focus{border-color:var(--a-accent);outline:none;box-shadow:0 0 0 4px #4f6df526}.a-check{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:9px;font-size:13.5px;font-weight:600;display:inline-flex}.a-check 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solid var(--a-line);background:#fff;justify-content:flex-end;gap:12px;padding:18px 24px;display:flex;position:sticky;bottom:0}@keyframes slideUp{0%{opacity:0;transform:translateY(26px)scale(.98)}to{opacity:1;transform:none}}.a-toast{z-index:300;color:#fff;background:#1a2033;border-radius:13px;align-items:center;gap:10px;padding:13px 20px;font-size:13.5px;font-weight:600;animation:.3s cubic-bezier(.22,1,.36,1) slideUp;display:flex;position:fixed;bottom:22px;right:22px;box-shadow:0 16px 44px #10152b66}.a-toast--error{background:#c0392b}.a-msg{border:1px solid var(--a-line);color:var(--a-ink);white-space:pre-wrap;background:#f8faff;border-radius:13px;padding:14px 16px;font-size:13.5px;line-height:1.85}.a-msg__meta{color:var(--a-muted);flex-wrap:wrap;gap:8px 16px;margin-bottom:14px;font-size:13px;display:flex}.a-msg__meta b{color:var(--a-ink)}.upload-field{flex-direction:column;gap:10px;display:flex}.upload-field__preview{aspect-ratio:16/9;border:1px solid var(--a-line);background:#f8faff;border-radius:12px;width:100%;max-width:260px;overflow:hidden}.upload-field__preview--square{aspect-ratio:1;border-radius:50%;width:96px}.upload-field__preview img{object-fit:cover;width:100%;height:100%}.upload-field__actions{gap:10px;display:flex}.upload-field__hint{color:var(--a-muted);font-size:12px}.a-catalog{border:1px solid var(--a-line);background:#fbfcfe;border-radius:14px;overflow:hidden}.a-catalog__head{border-bottom:1px solid var(--a-line);background:#f1f4fb;flex-wrap:wrap;align-items:center;gap:12px;padding:13px 16px;display:flex}.a-catalog__num{background:var(--a-grad);color:#fff;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:11px;font-weight:800;display:inline-flex}.a-catalog__title{flex:1;min-width:120px;font-size:14px;font-weight:700}.a-catalog__count{color:var(--a-muted);font-size:12px}.a-catalog__lessons{flex-direction:column;gap:6px;padding:8px 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var(--a-line);background:#fff;border-radius:8px;outline:none;flex:1;min-width:140px;padding:7px 10px;font-size:13.5px}.a-catalog__rename:focus{border-color:var(--a-accent)}.a-catalog__section{border-top:1px dashed var(--a-line);padding:10px 12px 8px}.a-catalog__section-head{background:#f6f9ff;border-radius:9px;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;padding:6px 10px;display:flex}.a-catalog__section-num{color:var(--a-accent);min-width:32px;font-size:12px;font-weight:800}.a-catalog__section-title{flex:1;min-width:100px;font-size:13.5px;font-weight:600}.a-catalog__lesson-num{color:var(--a-muted);min-width:40px;font-family:monospace;font-size:12px}.a-theme-picker{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;display:grid}.a-theme-picker__item{border:1px solid var(--a-line);text-align:left;cursor:pointer;background:#fff;border-radius:13px;align-items:center;gap:12px;padding:13px 14px;transition:border-color .2s,box-shadow .2s;display:flex}.a-theme-picker__item:hover{border-color:var(--a-accent)}.a-theme-picker__item--active{border-color:var(--a-accent);box-shadow:0 0 0 3px #4f6df524}.a-theme-picker__swatch{border:1px solid #00000014;border-radius:12px;flex-shrink:0;width:46px;height:46px}.a-theme-picker__swatch--business{background:linear-gradient(135deg,#f4f3ef 55%,#c9992b)}.a-theme-picker__swatch--tech{background:linear-gradient(135deg,#060810 55%,#3ae0ff)}.a-theme-picker__swatch--light{background:linear-gradient(135deg,#fff 55%,#4f6df5)}.a-theme-picker__label{font-size:13.5px;font-weight:700;display:block}.a-theme-picker__hint{color:var(--a-muted);margin-top:2px;font-size:11.5px;display:block}@media (width<=900px){.admin-layout{grid-template-columns:1fr}.admin-side{flex-direction:row;align-items:center;height:auto;padding:14px 18px;position:static;overflow-x:auto}.admin-side__brand{border-right:1px solid #ffffff1a;flex-shrink:0;margin-right:14px;padding:0 16px 0 0}.admin-nav{flex-direction:row;gap:6px;overflow-x:auto}.admin-nav__item{white-space:nowrap}.admin-side__foot{border-top:none;border-left:1px solid #ffffff1a;flex-shrink:0;margin-left:14px;padding:0 0 0 14px}.admin-main{padding:22px 18px 50px}.a-form__row{grid-template-columns:1fr}}