:root{--primary:#2c3e50;--secondary:#18bc9c;--accent:#e74c3c;--bg:#f8f9fa;--text:#333}body{color:var(--text);background-color:var(--bg);margin:0;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}.container{background:#fff;border-radius:12px;max-width:800px;margin:0 auto;padding:30px;box-shadow:0 4px 15px #0000000d}h1{color:var(--primary);text-align:center;border-bottom:3px solid var(--secondary);padding-bottom:10px;font-size:28px}h2{color:var(--primary);border-left:5px solid var(--secondary);background:#ebf5fb;border-radius:0 4px 4px 0;margin-top:30px;padding:10px 15px}h3{color:#2980b9;margin-bottom:5px}.meta-info{color:#856404;background:#fff3cd;border:1px solid #ffeeba;border-radius:6px;margin-bottom:25px;padding:15px;font-weight:700}.exercise-card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;margin-bottom:20px;padding:20px;transition:transform .2s}.exercise-card:hover{transform:translateY(-2px);box-shadow:0 4px 10px #0000000d}.media-container{text-align:center;background:#f1f2f6;border-radius:6px;margin:15px 0;padding:10px}.media-container img{border-radius:4px;max-width:100%;height:auto;box-shadow:0 2px 5px #0000001a}.video-btn{background:var(--secondary);color:#fff;border-radius:4px;margin-top:10px;padding:8px 16px;font-size:14px;font-weight:700;text-decoration:none;display:inline-block}.video-btn:hover{background:#128f76}.badge{color:#fff;vertical-align:middle;background:#34495e;border-radius:4px;margin-left:10px;padding:3px 8px;font-size:12px;font-weight:400}ul{margin:5px 0;padding-left:20px}li{margin-bottom:5px}mark{color:var(--accent);background:#e74c3c1a;border-radius:3px;padding:1px 4px;font-weight:600}.rules-block{border-left:5px solid var(--accent);background:#fadbd8;border-radius:4px;margin-top:30px;padding:15px}