.stars{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.star{position:absolute;width:2px;height:2px;background:#fff;border-radius:50%;animation:twinkle 3s infinite}@keyframes twinkle{0%,to{opacity:0;transform:scale(.5)}50%{opacity:1;transform:scale(1)}}.app-container{max-width:32rem;margin:0 auto;padding:2rem;background:#161b22e6;border-radius:1rem;box-shadow:0 8px 24px #00000080;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:relative;z-index:2}.app-title{font-size:2rem;font-weight:700;margin-bottom:1rem;color:#fff}.section-title{font-size:1.25rem;font-weight:600;margin-top:1rem;margin-bottom:.5rem;color:#fff}.app-input{background:#0d1117;border:1px solid #30363d;color:#e6edf3;border-radius:.5rem;padding:.5rem 1rem;transition:all .2s ease;margin-right:.5rem}.app-input:focus{border-color:#58a6ff;outline:none;box-shadow:0 0 8px #58a6ff99}.app-button{background:linear-gradient(135deg,#238636,#2ea043);border:none;cursor:pointer;border-radius:.5rem;padding:.5rem 1.2rem;font-weight:600;transition:all .2s ease;color:#fff}.app-button:hover:not(:disabled){background:linear-gradient(135deg,#2ea043,#3fb950);transform:translateY(-2px);box-shadow:0 6px 14px #3fb95066}.app-button:disabled{background:#30363d;cursor:not-allowed;opacity:.6}.app-card{background:#161b22;border:1px solid #30363d;border-radius:.75rem;padding:1rem;box-shadow:0 4px 12px #0006;transition:transform .2s ease,box-shadow .2s ease;margin-top:1rem}.app-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0009}.app-list{padding-left:1.25rem}.app-list li{margin:.4rem 0;color:#c9d1d9;line-height:1.5}.app-list li::marker{color:#58a6ff}.app-error{color:#f85149;font-weight:600;margin-top:.5rem}.signature{margin-top:2.5rem;text-align:center;font-size:.9rem}.signature a{color:var(--muted);text-decoration:none;display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .8rem;border-radius:999px;background:#ffffff26;border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(12px) saturate(150%);-webkit-backdrop-filter:blur(12px) saturate(150%);transition:color .16s ease,background .16s ease,transform .18s ease}.signature a:hover{color:var(--accent-end);background:#312e2ecc;transform:translateY(-2px)}.sig-mark{font-weight:700;font-size:1rem;color:var(--accent-end)}body{margin:0;font-family:"monospace",Inter,sans-serif;background:linear-gradient(135deg,#0d1117,#161b22);color:#e6edf3;min-height:100vh;position:relative;overflow-x:hidden}