:root{--bg-color:#f7f9fa;--text-primary:#1e293b;--text-secondary:#64748b;--primary:#8b5cf6;--primary-hover:#7c3aed;--surface:#fff;--border:#e2e8f0;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-inner:inset 0 2px 4px 0 #0000000f;--glass-bg:#ffffffb3;--glass-border:#ffffff80;--radius-md:.5rem;--radius-lg:1rem;--radius-full:9999px;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}@media (prefers-color-scheme:dark){:root{--bg-color:#0f172a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--surface:#1e293b;--border:#334155;--glass-bg:#1e293bb3;--glass-border:#ffffff1a}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.5}.container{max-width:1200px;margin:0 auto;padding:1rem}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:2rem}.btn{border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 4px 14px #8b5cf663}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn-primary:active{transform:translateY(1px)}.form-group{margin-bottom:1.5rem}.form-label{color:var(--text-primary);margin-bottom:.5rem;font-weight:500;display:block}.form-input{border-radius:var(--radius-md);border:1px solid var(--border);background-color:var(--surface);width:100%;color:var(--text-primary);box-shadow:var(--shadow-inner);padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s,box-shadow .2s}.form-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #8b5cf633}.pin-pad{grid-template-columns:repeat(3,1fr);gap:1rem;max-width:300px;margin:2rem auto;display:grid}.pin-btn{aspect-ratio:1;border-radius:var(--radius-full);background-color:var(--surface);border:1px solid var(--border);color:var(--text-primary);cursor:pointer;box-shadow:var(--shadow-md);justify-content:center;align-items:center;font-size:1.5rem;font-weight:600;transition:all .1s;display:flex}.pin-btn:active{background-color:var(--border);box-shadow:var(--shadow-inner);transform:scale(.95)}.pin-display{justify-content:center;gap:1rem;margin-bottom:2rem;display:flex}.pin-dot{background-color:var(--border);border-radius:50%;width:16px;height:16px;transition:background-color .2s}.pin-dot.filled{background-color:var(--primary)}