:root{--background:#121212;--surface:#1e1e1e;--surface-light:#2c2c2c;--primary:#ef4444;--primary-hover:#dc2626;--secondary:#3b82f6;--text-primary:#f8fafc;--text-secondary:#94a3b8;--border-color:#334155;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--radius:12px;--font-sans:"Inter", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--background);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.5}.glass-panel{-webkit-backdrop-filter:blur(12px);border-radius:var(--radius);background:#1e1e1e99;border:1px solid #ffffff0d;padding:24px}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:10px 20px;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 4px 14px #ef44444d}.btn:focus-visible,a:focus-visible{outline:2px solid var(--primary);outline-offset:3px}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-secondary{background-color:var(--surface-light);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:#3a3a3a}h1,h2,h3,h4{color:var(--text-primary);margin-bottom:.5em;font-weight:700}h1{font-size:2.5rem}h2{font-size:1.8rem}h3{font-size:1.4rem}a{color:var(--primary);text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:20px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeIn}.input-premium{text-align:center;color:#fff;background:#ffffff0d;border:2px solid #ffffff1a;border-radius:12px;outline:none;width:100%;padding:20px;font-size:2rem;transition:all .2s}.input-premium:focus{border-color:var(--primary);background:#ef44440d;box-shadow:0 0 0 4px #ef444426}