@keyframes fadeInScale{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}body{font-family:"Inter",sans-serif;background-color:#0d1117;color:#e6edf3;margin:0;padding:0;line-height:1.6}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#0d1117}::-webkit-scrollbar-thumb{background:#30363d;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#4b5563}#loading-screen,#splash-screen{display:none!important}.splash-logo{display:none}.card-glow:hover{box-shadow:0 0 15px rgba(59,130,246,.4),0 0 5px rgba(59,130,246,.2)}#update-notification-container{animation:fadeInScale .3s ease-out}.container{width:95%;max-width:900px;padding:16px;background:#161b22;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.5);border:1px solid #30363d;position:relative;margin:70px auto 10px;min-height:calc(100svh - 90px)}.section-title{font-size:24px;font-weight:700;color:#58a6ff;margin-bottom:24px;padding-bottom:12px;border-bottom:1px solid #30363d;text-align:center;background:0 0}.subtitle{font-size:18px;font-weight:600;color:#79c0ff;margin-bottom:12px;margin-top:8px}.block,.step,.step-vertical{background-color:#21262d;border-radius:8px;margin-bottom:20px;padding:16px;border:1px solid #30363d;display:flex;flex-direction:column;gap:16px}@media (min-width:768px){.step{flex-direction:row;align-items:center;justify-content:space-between}}.step-text{flex:1;display:flex;align-items:flex-start;gap:12px}.step-number{font-weight:700;font-size:18px;color:#58a6ff;min-width:24px}.step-text-content{font-size:16px;color:#c9d1d9}.image-container,.step-image{text-align:center;flex:1}.double-image img,.image-container img,.image-row img,.step-image img{max-width:100%;height:auto;border-radius:6px;border:1px solid #30363d;box-shadow:0 2px 8px rgba(0,0,0,.3)}.image-container{background:#21262d;padding:16px;border-radius:8px;margin-bottom:24px;border:1px solid #30363d}.firebase-img-container{width:100%;height:auto;min-height:120px;overflow:hidden;background:#21262d;border-radius:8px 8px 0 0;display:flex;justify-content:center;align-items:center}.firebase-img-container img,.firebase-img-container-full img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.firebase-img-container-full{width:100%;height:auto;overflow:visible;background:#21262d;border-radius:8px}.firebase-img-container-full img{height:auto;max-height:80vh;object-fit:contain}.double-image,.image-pair{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:nowrap}.double-image .firebase-img-container-full,.image-pair .firebase-img-container-full{width:auto;max-width:45%;flex-shrink:1}.double-image .firebase-img-container-full img,.image-pair .firebase-img-container-full img{max-height:250px;width:auto;max-width:100%}@media (max-width:640px){.double-image,.image-pair{flex-wrap:wrap}.double-image .firebase-img-container-full,.image-pair .firebase-img-container-full{max-width:100%}}.image-row{display:flex;flex-direction:column;gap:16px}@media (min-width:768px){.image-row{flex-direction:row}}.accordion-content p,li{margin-bottom:12px}strong{color:#e6edf3}.button-back{display:inline-flex;align-items:center;justify-content:center;background-color:#238636;color:#fff;font-weight:600;text-decoration:none;padding:12px 24px;border-radius:6px;margin-top:24px;font-size:16px;border:1px solid rgba(240,246,252,.1);transition:background-color .2s,transform .1s}.button-back:hover{background-color:#2ea043;transform:translateY(-2px)}@media (max-width:768px){.container{width:95%;padding:16px;margin:20px auto;top:70px}.section-title{font-size:20px}.step-image img{max-width:100%}.firebase-img-container{height:80px}.train-card p{font-size:10px!important;padding:8px!important}}.accordion-section{margin-bottom:12px}.accordion-button{width:100%;padding:14px 16px;border-radius:8px;font-weight:600;font-size:15px;cursor:pointer;text-align:left;background-color:#21262d;color:#c9d1d9;border:1px solid #30363d;transition:all .2s ease;display:flex;align-items:center;justify-content:space-between;gap:12px}.accordion-button:hover{background-color:#2c333e;border-color:#58a6ff}.accordion-button.active{background-color:#30363d;border-color:#58a6ff;color:#58a6ff;border-bottom-left-radius:0;border-bottom-right-radius:0}.accordion-icon{width:20px;height:20px;transition:transform .3s ease;flex-shrink:0}.accordion-content{background-color:#161b22;border:1px solid #30363d;border-top:none;border-radius:0 0 8px 8px;color:#c9d1d9;line-height:1.6}.accordion-content p:last-child{margin-bottom:0}.accordion-content ol,.accordion-content ul{margin-left:20px;margin-bottom:12px}.accordion-content li{margin-bottom:8px}.accordion-content strong{color:#58a6ff}