:root{--primary: #ff6600;--primary-hover: #e65c00;--bg-dark: #000000;--bg-card: #1a1a1a;--text-main: #ffffff;--text-muted: #aaaaaa;--accent: #ff8c00;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:var(--text-main);background-color:var(--bg-dark);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;background-color:var(--bg-dark);color:var(--text-main);overflow-x:hidden}*{box-sizing:border-box}h1,h2,h3,h4{text-transform:uppercase;letter-spacing:1px;font-weight:800;color:var(--primary)}.gym-button{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#000;border:none;padding:12px 24px;font-weight:700;text-transform:uppercase;cursor:pointer;transition:all .3s ease;border-radius:4px;text-decoration:none;font-size:.9rem}.gym-button:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 5px 15px #f606}.glass-card{background:var(--bg-card);border:1px solid #333;border-radius:12px;padding:20px;transition:all .3s ease}.glass-card:hover{border-color:var(--primary)}#root{min-height:100vh;display:flex;flex-direction:column}.fade-in{animation:fadeIn .8s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.slide-up{animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.back-btn{background:transparent;border:1px solid #444;color:#888;padding:8px 16px;border-radius:4px;display:flex;align-items:center;gap:8px;cursor:pointer;margin-bottom:30px;transition:all .3s}.back-btn:hover{background:#222;color:var(--primary);border-color:var(--primary)}.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:40px;margin-bottom:60px}.detail-main h1{font-size:3rem;margin-bottom:20px;color:#fff}.meta-info-row{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:30px;padding:15px;background:#111;border-radius:8px;border-left:4px solid var(--primary)}.meta-item{display:flex;align-items:center;gap:8px;color:#ccc;font-size:.95rem}.meta-item strong{color:var(--primary)}.image-hero{margin-bottom:40px;border-radius:12px;overflow:hidden;border:1px solid #333}.image-hero img{width:100%;max-height:500px;object-fit:contain;background:#000}.instructions-section h2{display:flex;align-items:center;gap:12px;margin-bottom:20px;font-size:1.5rem}.steps-list{display:flex;flex-direction:column;gap:20px}.step-item{display:flex;gap:20px;padding:20px;background:#111;border-radius:8px;border:1px solid #222}.step-num{min-width:40px;height:40px;background:var(--primary);color:#000;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900}.step-item p{margin:0;color:#ddd;line-height:1.6}.detail-side{display:flex;flex-direction:column;gap:30px}.video-card h3{margin-top:0;font-size:1.2rem;margin-bottom:20px}.video-player-container{aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden;margin-bottom:20px}.youtube-link{width:100%}.extra-info h3{color:var(--primary);margin-top:0}@media(max-width:900px){.detail-grid{grid-template-columns:1fr}}