:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg-color: #0f172a;--card-bg: #1e293b;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--action-primary: #2563eb;--action-hover: #3b82f6;--border-color: #334155;--accent-gradient: linear-gradient(135deg, #60a5fa, #34d399)}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-primary);display:flex;justify-content:center;align-items:center;min-height:100vh}.container{width:100%;max-width:480px;padding:1rem}.card{background-color:var(--card-bg);border-radius:1rem;padding:2.5rem;box-shadow:0 25px 50px -12px #00000080;border:1px solid var(--border-color);text-align:center}.title{font-size:2.5rem;font-weight:800;margin:0 0 1.5rem;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.description{color:var(--text-secondary);line-height:1.6;margin-bottom:2rem;font-size:1.1rem}.counter-button{background-color:var(--action-primary);color:#fff;border:none;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;border-radius:.5rem;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:.5rem}.counter-button:hover{background-color:var(--action-hover);transform:translateY(-1px);box-shadow:0 4px 6px -1px #2563eb33}.features{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem}.feature-item{background-color:#0f172a80;padding:.75rem;border-radius:.5rem;border:1px solid rgba(51,65,85,.5);color:var(--text-secondary);font-size:.875rem;transition:border-color .2s}.feature-item:hover{border-color:#60a5fa4d}.footer{margin-top:3rem;text-align:center;color:#64748b;font-size:.875rem}