*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{background:linear-gradient(135deg,#4f46e5,#9333ea);min-height:100vh;display:flex;justify-content:center;align-items:center;overflow-x:hidden}.App{text-align:center;color:#fff;padding:20px}.App h1{margin-bottom:20px;font-size:1.8rem}.calc-container{background:#fff;color:#333;padding:25px;border-radius:16px;width:100%;max-width:420px;margin:0 auto;box-shadow:0 10px 25px #0003}.calc-container h2{margin-bottom:15px;color:#4f46e5}.calc-form-row{display:flex;flex-direction:column;gap:10px}.calc-input{padding:12px;border-radius:10px;border:1px solid #ddd;outline:none;font-size:1rem;transition:.2s}.calc-input:focus{border-color:#4f46e5;box-shadow:0 0 5px #4f46e566}button{padding:12px;border:none;border-radius:10px;background:#4f46e5;color:#fff;font-size:1rem;cursor:pointer;transition:.3s}button:hover{background:#4338ca;transform:translateY(-1px)}.calc-checkbox{margin-top:15px;text-align:left;font-size:.9rem}.calc-checkbox input{margin-right:8px;cursor:pointer}.calc-container p{margin-top:20px;font-size:1.2rem;font-weight:700;color:#16a34a}.btn-group{display:flex;gap:10px;margin-top:10px}.btn-group button{flex:1}.btn-calcular{background:#4f46e5}.btn-calcular:hover{background:#4338ca}.btn-limpar{background:#e5e7eb;color:#333}.btn-limpar:hover{background:#d1d5db}@media(max-width:480px){.calc-container{padding:20px}.App h1{font-size:1.4rem}}@media(min-width:768px)and (max-width:1024px){.calc-container{transform:scale(1.5);transform-origin:top center}.App h1{font-size:2.5rem;max-width:690px}.calc-input,button{font-size:1.2rem;padding:15px}.calc-container p{font-size:1.4rem}}