:root{--primary:#9a4b3a;--primary-hover:#843d2e;--on-primary:#fff;--primary-soft:#f6dcd3;--bg:#fff8f4;--surface:#fff;--surface-2:#f6ece7;--text:#2b1d19;--muted:#7a655e;--line:#ead9d1;--danger:#ba1a1a;--ok:#2e7d4f;--radius:20px;--radius-sm:14px;--shadow:0 1px 2px rgb(60 30 20/6%),0 8px 24px rgb(60 30 20/6%);--nav-h:68px;color-scheme:light}@media (prefers-color-scheme:dark){:root{--primary:#f2b8a8;--primary-hover:#f7cbbf;--on-primary:#4a1d11;--primary-soft:#5c2e22;--bg:#1d1311;--surface:#271b18;--surface-2:#33241f;--text:#f4e6e0;--muted:#b9a39b;--line:#43322c;--danger:#ffb4ab;--ok:#7fd1a0;--shadow:none;color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-rounded,SF Pro Rounded,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom))}a{color:inherit;text-decoration:none}h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 12px}h1{font-size:clamp(1.7rem,4vw + 1rem,2.6rem)}h2{font-size:1.3rem}h3{font-size:1.05rem}p{margin:0 0 12px}img,video{max-width:100%;display:block}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:8px}.page{max-width:1040px;margin:0 auto;padding:20px 20px 40px}.page.mid{max-width:760px}.page.narrow{max-width:560px}.stack>*+*{margin-top:16px}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.muted{color:var(--muted)}.grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.topbar-inner{max-width:1040px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:20px}.brand{font-weight:800;font-size:1.2rem;letter-spacing:-.03em;color:var(--primary)}.brand span{color:var(--muted);font-weight:600}.spacer{margin-left:auto}.tabs{display:none;gap:4px}.tab{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;font-weight:600;color:var(--muted)}.tab svg{width:22px;height:22px;flex:none}.tab[aria-current=page]{background:var(--primary-soft);color:var(--text)}.tab:hover{color:var(--text)}.bottom-nav{position:fixed;inset:auto 0 0 0;z-index:30;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--line);display:flex}.bottom-nav .tab{flex:1 1;flex-direction:column;justify-content:center;gap:2px;padding:6px 8px;border-radius:0;background:none;font-size:.75rem}.bottom-nav .tab[aria-current=page]{background:none;color:var(--primary)}.bottom-nav .tab[aria-current=page] svg{background:var(--primary-soft);border-radius:999px;padding:3px 14px;width:56px;height:30px;box-sizing:border-box}@media (min-width:760px){.tabs{display:flex}.bottom-nav{display:none}body{padding-bottom:0}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 24px;border-radius:16px;border:1px solid transparent;background:var(--primary);color:var(--on-primary);font:inherit;font-weight:700;cursor:pointer;transition:background .15s,transform .05s}.btn:hover{background:var(--primary-hover)}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.55;cursor:default}.btn.block{width:100%}.btn.outline{background:transparent;color:var(--text);border-color:var(--line)}.btn.outline:hover{background:var(--surface-2)}.btn.small{min-height:40px;padding:0 16px;border-radius:12px}.chip{display:inline-block;padding:3px 12px;border-radius:999px;background:var(--primary-soft);color:var(--text);font-size:.8rem;font-weight:700}input:not([type]),input[readonly],input[type=text],select{font:inherit;color:var(--text);background:var(--surface-2);border:1px solid transparent;border-radius:14px;padding:10px 14px;min-height:44px;max-width:100%}select{padding-right:8px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-pad{padding:20px}a.card{display:block;transition:transform .15s,box-shadow .15s}a.card:hover{transform:translateY(-2px)}.cover{aspect-ratio:16/10;background:linear-gradient(135deg,var(--primary-soft),var(--surface-2));display:grid;place-items:center;font-size:2.6rem;overflow:hidden}.cover img{width:100%;height:100%;object-fit:cover}.card-body{padding:16px 18px 18px}.card-body h3{margin-bottom:6px}.price{font-weight:800;color:var(--primary)}.hero{border-radius:28px;padding:clamp(28px,6vw,56px);background:radial-gradient(circle at 85% 20%,var(--primary-soft),transparent 55%),var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}.hero p{font-size:1.1rem;color:var(--muted);max-width:34ch}.section-title{display:flex;align-items:baseline;justify-content:space-between;margin:32px 0 12px}.section-title h2{margin:0}.lesson-list{list-style:none;margin:0;padding:0;counter-reset:lesson}.lesson-list li{counter-increment:lesson}.lesson-list a{display:flex;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid var(--line)}.lesson-list li:last-child a{border-bottom:0}.lesson-list a:before{content:counter(lesson);flex:none;width:34px;height:34px;border-radius:50%;background:var(--primary-soft);display:grid;place-items:center;font-weight:700;font-size:.9rem}.lesson-list a:hover{background:var(--surface-2)}.player{position:relative;border-radius:var(--radius);overflow:hidden;background:#000;box-shadow:var(--shadow)}.player video{width:100%;aspect-ratio:16/9}.watermark{position:absolute;color:rgb(255 255 255/35%);text-shadow:0 0 2px #000;pointer-events:none;transition:all 1s;font-size:14px}.notes h2{margin-top:8px}.time{font:inherit;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;background:var(--primary-soft);color:var(--text);border:0;border-radius:999px;padding:2px 12px;margin-right:8px;cursor:pointer}.time:hover{background:var(--primary);color:var(--on-primary)}.notes ul{list-style:none;padding:0;margin:0 0 12px}.notes li{padding:6px 0}.radio{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;font-weight:600}.radio:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}.radio input{accent-color:var(--primary);width:20px;height:20px}fieldset{border:0;padding:0;margin:0 0 16px;display:grid;grid-gap:8px;gap:8px}legend{font-weight:700;margin-bottom:8px;padding:0}.alert{color:var(--danger);font-weight:600}.notice{padding:16px;border-radius:var(--radius-sm);background:var(--surface-2)}.notice.ok{background:color-mix(in srgb,var(--ok) 15%,var(--surface))}.notice.err{background:color-mix(in srgb,var(--danger) 12%,var(--surface))}.spinner{width:22px;height:22px;border-radius:50%;border:3px solid var(--primary-soft);border-top-color:var(--primary);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.big-code{font-size:1.6rem;font-weight:800;letter-spacing:.08em;color:var(--primary)}.copy-row{display:flex;gap:8px;flex-wrap:wrap}.copy-row input{flex:1 1 220px;min-width:0}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation-duration:.01ms!important}}.chat{display:flex;flex-direction:column;gap:10px;max-height:420px;overflow-y:auto}.chat:empty{display:none}.bubble{max-width:88%;padding:10px 14px;border-radius:18px;background:var(--surface-2)}.bubble.me{align-self:flex-end;background:var(--primary);color:var(--on-primary);border-bottom-right-radius:6px}.bubble.bot{align-self:flex-start;border-bottom-left-radius:6px}.bubble.err{align-self:flex-start;background:color-mix(in srgb,var(--danger) 12%,var(--surface));color:var(--danger);font-weight:600}.cites{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.cites .time{display:inline-block;margin:0;font-size:.85rem}.page.admin{max-width:1200px}.admin-nav{display:flex;gap:4px;flex-wrap:wrap}.seg{display:inline-flex;background:var(--surface-2);border-radius:999px;padding:3px}.seg button{font:inherit;font-weight:600;border:0;background:none;color:var(--muted);padding:6px 14px;border-radius:999px;cursor:pointer}.seg button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.kpis{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.kpi-value{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;margin:2px 0 10px}.bars{display:flex;align-items:flex-end;gap:2px;height:44px}.bar{flex:1 1;min-width:2px;background:var(--primary);opacity:.75;border-radius:3px 3px 0 0}.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse;font-size:.95rem}.table td,.table th{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}.table th{color:var(--muted);font-weight:600}.table tbody tr:last-child td{border-bottom:0}.table .num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.chip.ok{background:color-mix(in srgb,var(--ok) 20%,var(--surface))}.chip.bad{background:color-mix(in srgb,var(--danger) 18%,var(--surface))}.field{display:grid;grid-gap:4px;gap:4px;font-weight:600}.field span{font-size:.85rem;color:var(--muted)}textarea{font:inherit;color:var(--text);background:var(--surface-2);border:1px solid transparent;border-radius:14px;padding:10px 14px;resize:vertical}.field input,.field select,textarea{width:100%}.form-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.cover-preview{max-width:420px;border-radius:var(--radius-sm)}.lesson-admin{list-style:none;margin:0;padding:0}.lesson-admin li{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:14px 18px;border-bottom:1px solid var(--line)}.lesson-admin li:last-child{border-bottom:0}.lesson-main{flex:1 1 280px;min-width:0}progress{accent-color:var(--primary);width:200px}.btn.danger{background:var(--danger);color:#fff}.btn.danger:hover{background:color-mix(in srgb,var(--danger) 85%,#000)}.legal ul{padding-left:1.2rem;margin:0}.legal li{margin-bottom:6px}.legal h2{margin-top:8px}.site-footer{max-width:1040px;margin:24px auto 0;padding:20px;display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;border-top:1px solid var(--line)}.site-footer a:hover{color:var(--text);text-decoration:underline}.consent{font-size:.85rem;margin:0}.consent a{text-decoration:underline}