:root{--primary:#ff5a00;--primary-hover:#e04e00;--secondary:#00a651;--secondary-hover:#008f45;--accent:#ffc107;--background:#f9fafb;--surface:#fff;--text-main:#1f2937;--text-muted:#6b7280;--border:#e5e7eb;--error:#ef4444;--font-family:"Lato", system-ui, -apple-system, sans-serif;--font-heading:"Oswald", system-ui, sans-serif;--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background);color:var(--text-main);-webkit-font-smoothing:antialiased;line-height:1.5}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.5px}#root{background-color:var(--surface);max-width:480px;min-height:100vh;box-shadow:var(--shadow-lg);margin:0 auto;position:relative;overflow-x:hidden}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.animate-fade-in{animation:.4s ease-out forwards fadeIn}.animate-slide-up{animation:.4s ease-out forwards slideUp}.btn{border-radius:var(--radius-full);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:16px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-primary:disabled{cursor:not-allowed;background-color:#fca5a5}.btn-secondary{background-color:var(--secondary);color:#fff}.btn-secondary:hover{background-color:var(--secondary-hover)}.btn-outline{border:2px solid var(--border);color:var(--text-main);background-color:#0000}.input{border-radius:var(--radius-md);border:1px solid var(--border);width:100%;padding:12px 16px;font-family:inherit;font-size:16px;transition:border-color .2s}.input:focus{border-color:var(--primary);outline:none}.label{color:var(--text-muted);margin-bottom:6px;font-size:14px;font-weight:500;display:block}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border);overflow:hidden}.badge{border-radius:var(--radius-full);background:var(--accent);color:#fff;text-shadow:0 1px 1px #0003;padding:4px 8px;font-size:12px;font-weight:600;display:inline-block}.floating-calculator{background:var(--surface);border-top:1px solid var(--border);z-index:50;border-top-left-radius:24px;border-top-right-radius:24px;padding:16px;position:sticky;bottom:0;left:0;right:0;box-shadow:0 -4px 10px #0000000d}