body {
     font-family: 'Arial', sans-serif;
     background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
     color: #fff;
     min-height: 100vh;
     line-height: 1.6;
     margin: 0;
     padding: 0;
 }

 .container {
     width: 100%;
     min-height: 100vh;
     display: flex;
     justify-content: center;
     align-items: center;
     padding: 20px;
 }

 .calculadora_container {
     background: rgba(0, 0, 0, 0.8);
     border-radius: 20px;
     padding: 30px 20px;
     box-shadow: 0 15px 35px rgba(255, 193, 7, 0.2);
     border: 2px solid rgba(255, 193, 7, 0.3);
     backdrop-filter: blur(10px);
     width: 100%;
     max-width: 400px;
     transform: translateY(0);
     transition: all 0.3s ease;
 }

 .calculadora_container:hover {
     transform: translateY(-5px);
     box-shadow: 0 20px 40px rgba(255, 193, 7, 0.3);
 }

 .calculadora_title {
     text-align: center;
     font-size: 1.8rem;
     margin-bottom: 30px;
     color: #ffc107;
     text-transform: uppercase;
     letter-spacing: 2px;
     font-weight: bold;
     text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
 }

 .calculadora_form {
     display: flex;
     flex-direction: column;
     gap: 20px;
 }

 .calculadora_form-title {
     font-size: 1.2rem;
     color: #fff;
     text-align: center;
     margin-bottom: 20px;
     font-weight: 600;
 }

 .calculadora_form-checkbox {
     display: none;
 }

 .calculadora_form-label {
     display: block;
     padding: 15px 20px;
     background: rgba(255, 255, 255, 0.1);
     border: 2px solid rgba(255, 193, 7, 0.3);
     border-radius: 12px;
     cursor: pointer;
     transition: all 0.3s ease;
     text-align: center;
     font-weight: 500;
     font-size: 1.1rem;
     position: relative;
     overflow: hidden;
 }

 /* Estilo para labels de input */
 .calculadora_form-input-label {
     display: block;
     margin-bottom: 8px;
     color: #ffc107;
     font-weight: 600;
     font-size: 1rem;
     text-align: left;
     padding: 0;
     background: none;
     border: none;
     cursor: default;
     transform: none;
     box-shadow: none;
 }

 .calculadora_form-label::before {
     content: '';
     position: absolute;
     top: 0;
     left: -100%;
     width: 100%;
     height: 100%;
     background: linear-gradient(90deg, transparent, rgba(255, 193, 7, 0.2), transparent);
     transition: left 0.5s ease;
 }

 .calculadora_form-label:hover::before {
     left: 100%;
 }

 .calculadora_form-label:hover {
     background: rgba(255, 193, 7, 0.1);
     border-color: #ffc107;
     transform: translateY(-2px);
     box-shadow: 0 5px 15px rgba(255, 193, 7, 0.2);
 }

 .calculadora_form-checkbox:checked+.calculadora_form-label {
     background: linear-gradient(135deg, #ffc107, #ffb300);
     color: #000;
     border-color: #ffc107;
     box-shadow: 0 8px 20px rgba(255, 193, 7, 0.4);
     transform: scale(1.02);
 }

 .calculadora_form-checkbox:checked+.calculadora_form-label::after {
     content: '✓';
     position: absolute;
     right: 15px;
     top: 50%;
     transform: translateY(-50%);
     font-size: 1.2rem;
     font-weight: bold;
     color: #000;
 }

 /* Estilos para inputs de texto/número */
 .calculadora_form-input {
     width: 100%;
     padding: 15px 20px;
     background: rgba(255, 255, 255, 0.1);
     border: 2px solid rgba(255, 193, 7, 0.3);
     border-radius: 12px;
     color: #fff;
     font-size: 1.1rem;
     font-weight: 500;
     transition: all 0.3s ease;
     outline: none;
     box-sizing: border-box;
 }

 .calculadora_form-input:focus {
     background: rgba(255, 255, 255, 0.15);
     border-color: #ffc107;
     box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.1);
     transform: translateY(-1px);
 }

 .calculadora_form-input::placeholder {
     color: rgba(255, 255, 255, 0.5);
 }

 /* Grupo de input para melhor organização */
 .calculadora_form-input-group {
     display: flex;
     flex-direction: column;
     gap: 8px;
 }

 .calculadora_form-btn {
     padding: 15px 30px;
     background: linear-gradient(135deg, #ffc107, #ffb300);
     color: #000;
     border: none;
     border-radius: 12px;
     font-size: 1.1rem;
     font-weight: bold;
     cursor: pointer;
     transition: all 0.3s ease;
     text-transform: uppercase;
     letter-spacing: 1px;
     margin-top: 20px;
     box-shadow: 0 5px 15px rgba(255, 193, 7, 0.3);
 }

 .calculadora_form-btn:hover {
     background: linear-gradient(135deg, #ffb300, #ffa000);
     transform: translateY(-2px);
     box-shadow: 0 8px 25px rgba(255, 193, 7, 0.5);
 }

 .calculadora_form-btn:active {
     transform: translateY(0);
     box-shadow: 0 3px 10px rgba(255, 193, 7, 0.3);
 }

 /* Tablet */
 @media (min-width: 768px) {
     .calculadora_container {
         padding: 40px 30px;
         max-width: 500px;
     }

     .calculadora_title {
         font-size: 2.2rem;
         margin-bottom: 40px;
     }

     .calculadora_form-title {
         font-size: 1.4rem;
         margin-bottom: 25px;
     }

     .calculadora_form-label {
         padding: 18px 25px;
         font-size: 1.2rem;
     }

     .calculadora_form-input-label {
         font-size: 1.1rem;
     }

     .calculadora_form-input {
         padding: 18px 25px;
         font-size: 1.2rem;
     }

     .calculadora_form-btn {
         padding: 18px 40px;
         font-size: 1.2rem;
     }
 }

 /* Desktop */
 @media (min-width: 1024px) {
     .calculadora_container {
         padding: 50px 40px;
         max-width: 600px;
     }

     .calculadora_title {
         font-size: 2.5rem;
         margin-bottom: 50px;
     }

     .calculadora_form-title {
         font-size: 1.5rem;
         margin-bottom: 30px;
     }

     .calculadora_form-label {
         padding: 20px 30px;
         font-size: 1.3rem;
     }

     .calculadora_form-input-label {
         font-size: 1.2rem;
     }

     .calculadora_form-input {
         padding: 20px 30px;
         font-size: 1.3rem;
     }

     .calculadora_form-btn {
         padding: 20px 50px;
         font-size: 1.3rem;
     }
 }

 @keyframes fadeInUp {
     from {
         opacity: 0;
         transform: translateY(30px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 .calculadora_container {
     animation: fadeInUp 0.8s ease-out;
 }

 .calculadora_form-label {
     animation: fadeInUp 0.8s ease-out;
 }

 .calculadora_form-input-group {
     animation: fadeInUp 0.8s ease-out;
 }

 .calculadora_form-label:nth-child(2) {
     animation-delay: 0.1s;
 }

 .calculadora_form-label:nth-child(4) {
     animation-delay: 0.2s;
 }

 .calculadora_form-input-group:nth-child(2) {
     animation-delay: 0.1s;
 }

 .calculadora_form-input-group:nth-child(3) {
     animation-delay: 0.2s;
 }

 .calculadora_form-btn {
     animation: fadeInUp 0.8s ease-out 0.3s both;
 }