:root{--primary: #059669;--primary-hover: #047857;--primary-light: #D1FAE5;--bg-app: #F8FAFC;--bg-card: #FFFFFF;--text-main: #0F172A;--text-muted: #475569;--border: #E2E8F0;--error: #DC2626;--error-bg: #FEF2F2;--radius: 16px;--shadow: 0 4px 20px -2px rgba(15, 23, 42, .08);--font-heading: "Outfit", sans-serif;--font-body: "Plus Jakarta Sans", sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{overflow-x:hidden;max-width:100vw}body{font-family:var(--font-body);background-color:var(--bg-app);color:var(--text-main);line-height:1.5;min-height:100vh;display:flex;justify-content:center;align-items:flex-start}#root{width:100%;max-width:480px;min-height:100vh;background-color:var(--bg-card);box-shadow:0 0 40px #0000000d;display:flex;flex-direction:column;position:relative;overflow-x:hidden}h1,h2,h3{font-family:var(--font-heading);font-weight:700;color:var(--text-main);letter-spacing:-.02em}h1{font-size:1.75rem;line-height:1.25}h2{font-size:1.35rem;line-height:1.3}p{font-size:1.05rem;color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:60px;padding:16px 24px;border-radius:var(--radius);font-family:var(--font-heading);font-size:1.2rem;font-weight:700;border:none;cursor:pointer;transition:all .15s ease-in-out;text-decoration:none}.btn:active{transform:scale(.98)}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 6px 16px #05966940}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:#f1f5f9;color:var(--text-main)}.btn-secondary:hover{background-color:#e2e8f0}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.input-group{display:flex;flex-direction:column;gap:8px;width:100%}.input-label{font-size:1.1rem;font-weight:600;color:var(--text-main)}.input-field{width:100%;min-height:60px;padding:14px 18px;font-size:1.25rem;font-family:var(--font-body);border:2px solid var(--border);border-radius:var(--radius);outline:none;transition:border-color .2s;background-color:#fafafa}.input-field:focus{border-color:var(--primary);background-color:#fff}.keypad-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%;margin-top:12px}.keypad-btn{min-height:64px;font-size:1.6rem;font-family:var(--font-heading);font-weight:700;background-color:#f1f5f9;border:1px solid #E2E8F0;border-radius:14px;color:var(--text-main);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .1s,transform .1s}.keypad-btn:active{background-color:#e2e8f0;transform:scale(.95)}.alert-box{padding:14px 18px;border-radius:12px;background-color:var(--error-bg);border:1px solid #FCA5A5;color:var(--error);font-weight:600;font-size:1rem;display:flex;align-items:center;gap:10px}.narration-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:20px;background-color:#eff6ff;color:#2563eb;font-size:.9rem;font-weight:600}