:root{--background:#fff;--foreground:#050d18;--primary:#00c8e0;--primary-hover:#00acc1;--secondary:#ffeb3b;--accent:#ff9800;--muted:#f5f7f9;--border:#e2e8f0;--card-bg:#fffc;--shadow:0 4px 20px #0000000d;--radius:16px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--foreground);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.pop-card{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:2rem}.btn-primary{background-color:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:999px;justify-content:center;align-items:center;gap:.5rem;padding:.8rem 2rem;font-size:1rem;font-weight:600;transition:all .2s;display:flex}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #00c8e04d}.input-field{border:2px solid var(--border);background:var(--muted);border-radius:12px;outline:none;width:100%;padding:.8rem 1rem;font-size:1rem;transition:border-color .2s}.input-field:focus{border-color:var(--primary)}