* {
    box-sizing: border-box;
  }
  body, .row {
    display: flex;
  }
  body {
    margin: 0;
    background: #000;
    color: #e0e0e0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    flex-direction: column;
    min-height: 100vh;
  }
  .navbar {
    background: #111;
    padding: 15px 20px;
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    text-align: center;
  }
  .container {
    background: rgba(0,0,0,.7);
    padding: 40px 20px;
    width: 100%;
    max-width: 520px;
    margin: 40px auto;
    border-radius: 20px;
    box-shadow: 0 0 30px rgba(255,255,255,.1);
    text-align: center;
  }
    .imagem {
  width: 100%;                  /* Ocupa toda a largura da tela */
  max-width: 1000px;            /* Aumenta a largura máxima (ajuste aqui!) */
  height: 350px;                /* Altura menor, pra não ficar comprida */
  background-image: url('Screenshot-20250603-195200.jpg');
  background-size: cover;       /* Preenche a div toda, cortando se precisar */
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 15px;
  margin: 0 auto 30px auto;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}
  label {
    text-align: left;
    display: block;
    margin-top: 15px;
    margin-bottom: 5px;
    font-size: 14px;
    color: #ccc;
  }
  button, input, select {
    width: 100%;
    font-size: 16px;
  }
  input, select {
    padding: 14px 12px;
    font-weight: 300;
    color: #e0e0e0;
    background: rgba(28,28,28,.5);
    border: 2px solid #444;
    outline: 0;
    border-radius: 8px;
    transition: border-color 0.3s;
  }
  input::placeholder {
    color: rgba(255,255,255,.5);
  }
  .row {
    flex-wrap: wrap;
    gap: 20px;
  }
  .row > div {
    flex: 1 1 45%;
  }
  button {
    padding: 16px;
    margin-top: 30px;
    border: none;
    border-radius: 10px;
    background-color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    color: #000;
  }
  button:hover {
    background-color: #ddd;
  }
  .erro {
    border-color: red !important;
  }
  .overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: rgba(0,0,0,.96);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
    flex-direction: column;
  }
  .box-loader {
    background: #111;
    padding: 35px 40px;
    border-radius: 20px;
    box-shadow: 0 0 25px rgba(255,255,255,.15);
    width: 320px;
    color: #d0d0d0;
    font-size: 17px;
    font-weight: 400;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
  .loader {
    width: 60px;
    height: 60px;
    border: 6px solid rgba(255,255,255,.3);
    border-top: 6px solid #fff;
    border-radius: 50%;
    animation: 1s linear infinite spin;
  }
  @keyframes spin {
    0% {transform: rotate(0);}
    100% {transform: rotate(360deg);}
  }
  footer {
    color: #888;
    font-size: 14px;
    background: #0a0a0a;
    margin-top: auto;
    padding: 20px;
    text-align: center;
  }
  .valor-total {
    font-weight: 700;
    font-size: 20px;
    margin-top: 15px;
  }