html:has(.feed){overflow:hidden}:is(body:has(.feed) .app-header,body:has(.feed) .site-footer){display:none}.feed{--feed-red:#f33;--feed-red-btn:#d42a2a;--feed-red-btn-hover:#b91f1f;--feed-surface:#141414;--feed-border:#2a2a2a;--feed-muted:#b0b0b0;--feed-glass:#0a0a0a8c;z-index:1100;color:#fff;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:var(--font-sans);background:#000;justify-content:center;display:flex;position:fixed;inset:0}.feed__stage{width:100%;max-width:56.25dvh;height:100dvh;position:relative}.feed__scroller{scroll-snap-type:y mandatory;overscroll-behavior:contain;scrollbar-width:none;height:100%;overflow-y:auto}.feed__scroller::-webkit-scrollbar{display:none}.feed-slide{scroll-snap-align:start;scroll-snap-stop:always;background:#0a0a0a;height:100dvh;position:relative;overflow:hidden}.feed__topbar{z-index:5;padding-top:env(safe-area-inset-top,0px);pointer-events:none;background:linear-gradient(#000000b3,#0000);position:absolute;top:0;left:0;right:0}.feed__topbar>*{pointer-events:auto}.feed__progress{background:#ffffff26;height:3px}.feed__progress-fill{background:var(--feed-red);height:100%;transition:width .3s}.feed__topbar-row{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md) 0;display:flex}.feed__icon-btn{border-radius:var(--radius-full);color:#fff;justify-content:center;align-items:center;width:40px;height:40px;margin-left:-8px;display:inline-flex}.feed__icon-btn:hover{background:#ffffff1a}.feed__heading{font-family:var(--font-display);letter-spacing:.04em;text-transform:uppercase;flex:1;margin:0;font-size:1.25rem;font-weight:700}.feed__learned{border-radius:var(--radius-full);color:#4ade80;font-variant-numeric:tabular-nums;background:#22c55e1f;border:1px solid #22c55e66;align-items:center;gap:4px;padding:4px 10px;font-size:.8rem;font-weight:600;display:inline-flex}.feed__chips{gap:var(--space-sm);padding:var(--space-sm) var(--space-md) var(--space-md);scrollbar-width:none;display:flex;overflow-x:auto}.feed__chips::-webkit-scrollbar{display:none}.feed-chip{border-radius:var(--radius-full);background:var(--feed-glass);-webkit-backdrop-filter:blur(8px);color:#fff;cursor:pointer;border:1px solid #ffffff2e;flex-shrink:0;padding:6px 14px;font-size:.8rem;font-weight:600}.feed-chip--on{border-color:var(--feed-red);background:var(--feed-red-btn)}.feed-clip__media{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.feed-clip__media--mirrored{transform:scaleX(-1)}.feed-clip:after{content:"";pointer-events:none;background:linear-gradient(#0000,#000c);position:absolute;inset:45% 0 0}.feed-clip__tap{z-index:1;color:#fff;cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.feed-clip__play-icon{border-radius:var(--radius-full);background:#00000073;justify-content:center;align-items:center;width:80px;height:80px;padding-left:6px;display:flex}.feed-clip__rail{right:var(--space-sm);bottom:calc(170px + env(safe-area-inset-bottom,0px));z-index:3;gap:var(--space-md);flex-direction:column;display:flex;position:absolute}.feed-rail-btn{color:#fff;text-shadow:0 1px 3px #000c;cursor:pointer;background:0 0;border:0;flex-direction:column;align-items:center;gap:4px;min-width:56px;font-size:.7rem;font-weight:600;display:flex}.feed-rail-btn__icon{border-radius:var(--radius-full);background:var(--feed-glass);-webkit-backdrop-filter:blur(8px);border:1px solid #ffffff24;justify-content:center;align-items:center;width:46px;height:46px;transition:background .15s,color .15s;display:flex}.feed-rail-btn:hover .feed-rail-btn__icon{background:#282828bf}.feed-rail-btn--on .feed-rail-btn__icon{color:var(--feed-red);border-color:#ff333380}.feed-clip__info{z-index:2;padding:0 var(--space-md) calc(var(--space-lg) + env(safe-area-inset-bottom,0px));position:absolute;bottom:0;left:0;right:72px}.feed-clip__meta,.feed-panel__meta{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.feed-badge{border-radius:var(--radius-full);color:#ff5252;letter-spacing:.04em;text-transform:uppercase;background:#ff33332e;padding:3px 10px;font-size:.7rem;font-weight:700}.feed-badge--beginner{color:#4ade80;background:#22c55e2e}.feed-badge--intermediate{color:#facc15;background:#ffd70029}.feed-badge--advanced{color:#ff5252;background:#ff33332e}.feed-clip__position{color:var(--feed-muted);font-variant-numeric:tabular-nums;font-size:.75rem}.feed-clip__title{margin:6px 0 var(--space-sm);font-family:var(--font-display);letter-spacing:.01em;text-transform:uppercase;text-shadow:0 2px 8px #0009;font-size:clamp(1.75rem,7vw,2.25rem);font-weight:700;line-height:1}.feed-clip__cue-row{align-items:center;gap:var(--space-sm);min-height:2.75rem;margin-bottom:var(--space-md);display:flex}.feed-clip__cue{border-left:3px solid var(--feed-red);font-family:var(--font-display);letter-spacing:.02em;text-transform:uppercase;background:#0009;margin:0;padding:6px 12px;font-size:1.2rem;font-weight:600;line-height:1.2;animation:.35s feed-cue-in}.feed-clip__cue-dots{flex-shrink:0;gap:4px;display:flex}.feed-clip__cue-dot{border-radius:var(--radius-full);background:#ffffff4d;width:6px;height:6px}.feed-clip__cue-dot--on{background:var(--feed-red)}@keyframes feed-cue-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.feed-clip__actions{gap:var(--space-sm);display:flex}.feed-btn{border-radius:var(--radius-full);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:0 18px;font-size:.9rem;font-weight:700;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex}.feed-btn--primary{background:var(--feed-red-btn);color:#fff}.feed-btn--primary:hover{background:var(--feed-red-btn-hover)}.feed-btn--ghost{background:var(--feed-glass);-webkit-backdrop-filter:blur(8px);color:#fff;border-color:#ffffff38}.feed-btn--ghost:hover{border-color:#fff6}.feed-btn--learned{color:#4ade80;background:#22c55e26;border-color:#22c55e80}.feed-slide--card{padding:140px var(--space-md) calc(var(--space-lg) + env(safe-area-inset-bottom,0px));background:radial-gradient(circle at 50% 30%,#ff333324,#0000 60%),#0a0a0a;align-items:center;display:flex}.feed-quiz,.feed-end{width:100%;padding:var(--space-lg);border:1px solid var(--feed-border);border-radius:var(--radius-lg);background:#141414d9}.feed-quiz__label{margin:0 0 var(--space-sm);color:var(--feed-red);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:6px;font-size:.75rem;font-weight:700;display:inline-flex}.feed-quiz__question{margin:0 0 var(--space-md);font-family:var(--font-display);text-transform:uppercase;font-size:1.6rem;font-weight:700;line-height:1.1}.feed-quiz__options{gap:var(--space-sm);flex-direction:column;display:flex}.feed-quiz__option{border:1px solid var(--feed-border);border-radius:var(--radius-md);color:#fff;text-align:left;cursor:pointer;background:#1a1a1a;padding:12px 14px;font-size:.9rem;line-height:1.4}.feed-quiz__option:hover:not(:disabled){border-color:#ffffff59}.feed-quiz__option:disabled{opacity:.5;cursor:default}.feed-quiz__option--correct{background:#22c55e26;border-color:#22c55e}.feed-quiz__option--wrong{border-color:var(--feed-red);background:#ff33331f}.feed-quiz__result p{margin:var(--space-md) 0 var(--space-sm);font-weight:600}.feed-quiz__result-actions,.feed-end__actions{gap:var(--space-sm);flex-wrap:wrap;display:flex}.feed-end{text-align:center}.feed-end__icon{color:gold}.feed-end h2{margin:var(--space-sm) 0;font-family:var(--font-display);text-transform:uppercase;font-size:1.8rem;font-weight:700}.feed-end p{margin:0 0 var(--space-sm)}.feed-end__muted{color:var(--feed-muted);font-size:.9rem}.feed-end__actions{margin-top:var(--space-md);justify-content:center}.feed__backdrop{z-index:9;cursor:pointer;background:#00000073;border:0;position:absolute;inset:0}.feed-panel{z-index:10;overscroll-behavior:contain;max-height:72dvh;padding:var(--space-sm) var(--space-md) calc(var(--space-lg) + env(safe-area-inset-bottom,0px));border-top:1px solid var(--feed-border);border-radius:var(--radius-lg) var(--radius-lg) 0 0;background:var(--feed-surface);visibility:hidden;transition:transform .28s,visibility 0s linear .28s;position:absolute;bottom:0;left:0;right:0;overflow-y:auto;transform:translateY(100%)}.feed-panel--open{visibility:visible;transition:transform .28s;transform:none}.feed-panel__handle{width:40px;height:4px;margin:0 auto var(--space-md);border-radius:var(--radius-full);background:#ffffff40}.feed-panel__close{top:var(--space-sm);right:var(--space-sm);border-radius:var(--radius-full);width:40px;height:40px;color:var(--feed-muted);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;display:flex;position:absolute}.feed-panel__close:hover{color:#fff;background:#ffffff14}.feed-panel__title{margin:var(--space-sm) 0 var(--space-xs);font-family:var(--font-display);text-transform:uppercase;font-size:2rem;font-weight:700;line-height:1}.feed-panel__summary{color:var(--feed-muted);margin:0;font-size:.95rem;line-height:1.5}.feed-panel__section{margin-top:var(--space-lg)}.feed-panel__section h3{margin:0 0 var(--space-sm);color:var(--feed-red);letter-spacing:.08em;text-transform:uppercase;font-size:.75rem;font-weight:700}.feed-muscles{align-items:center;gap:var(--space-md);display:flex}.feed-muscles__maps{gap:var(--space-xs);flex:0 0 150px;grid-template-columns:1fr 1fr;display:grid}.feed-muscles__list{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.feed-muscles__list a{border-radius:var(--radius-full);color:#fff;background:#ff333314;border:1px solid #ff333359;padding:4px 10px;font-size:.8rem;text-decoration:none;display:inline-block}.feed-muscles__list a:hover{border-color:var(--feed-red)}.feed-steps{gap:var(--space-sm);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.feed-steps li{gap:var(--space-sm);display:flex}.feed-steps__num{border-radius:var(--radius-full);background:var(--feed-red-btn);width:26px;height:26px;font-family:var(--font-display);flex-shrink:0;justify-content:center;align-items:center;font-size:.95rem;font-weight:700;display:flex}.feed-steps p{margin:2px 0 0;font-size:.92rem;line-height:1.5}.feed-mistakes{color:var(--feed-muted);margin:0;padding-left:1.1rem;font-size:.9rem;line-height:1.5}.feed-mistakes li+li{margin-top:var(--space-sm)}.feed-panel__more{width:100%;margin-top:var(--space-lg)}.feed__toast{top:calc(120px + env(safe-area-inset-top,0px));z-index:20;border-radius:var(--radius-full);border:1px solid var(--feed-border);white-space:nowrap;background:#141414eb;padding:8px 16px;font-size:.85rem;font-weight:600;animation:.2s feed-cue-in;position:absolute;left:50%;transform:translate(-50%)}@media (min-width:1024px){.feed{align-items:center;gap:var(--space-lg);padding:0 var(--space-lg)}.feed__stage{border-radius:var(--radius-lg);max-width:calc(56.25dvh - 27px);height:calc(100dvh - 48px);overflow:hidden}.feed-slide{height:calc(100dvh - 48px)}.feed-panel,.feed-panel--open{max-height:calc(100dvh - 48px);padding:var(--space-lg);border:1px solid var(--feed-border);border-radius:var(--radius-lg);visibility:visible;flex:0 0 400px;transition:none;position:relative;transform:none}.feed-panel__handle,.feed-panel__close,.feed__backdrop,.feed-clip__breakdown-btn{display:none}}@media (prefers-reduced-motion:reduce){.feed-clip__cue,.feed__toast{animation:none}.feed-panel,.feed-panel--open,.feed__progress-fill{transition:none}}