/* ========================================================
         ESTILOS EXCLUSIVOS PARA INTEGRAR EL LOGIN EN TU DISEÑO
         ======================================================== */
      .login-section {
        min-height: calc(100vh - 85px - 58px); /* Resta el header y el footer exactos */
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 120px 20px 60px 20px; /* Margen superior para no quedar tapado por el nav fixed */
        background: radial-gradient(circle at center, #151515 0%, var(--black) 100%);
      }

      .login-card {
        background: #111111;
        width: 100%;
        max-width: 400px;
        padding: 40px;
        border-radius: 16px;
        border: 1px solid rgba(225, 6, 19, 0.2); /* Borde sutil con tu rojo corporativo */
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
      }

      .login-card h2 {
        font-size: 36px;
        margin-bottom: 8px;
        text-align: center;
      }

      .login-card h2 span {
        color: var(--red);
      }

      .login-card p {
        text-align: center;
        font-size: 14px;
        margin-bottom: 30px;
      }

      .form-group {
        margin-bottom: 22px;
      }

      .form-group label {
        display: block;
        font-size: 12px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 8px;
        color: var(--gray);
      }

      .form-group input {
        width: 100%;
        padding: 14px;
        background: #1a1a1a;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 6px;
        color: var(--white);
        font-family: 'Roboto', sans-serif;
        font-size: 15px;
        transition: 0.3s;
      }

      .form-group input:focus {
        outline: none;
        border-color: var(--red);
        box-shadow: 0 0 10px rgba(225, 6, 19, 0.15);
      }

      .btn-submit {
        width: 100%;
        background: var(--red);
        color: var(--white);
        border: none;
        cursor: pointer;
        margin-top: 10px;
      }

      .btn-submit:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 15px rgba(225, 6, 19, 0.4);
      }

      .error-box {
        margin-top: 20px;
        text-align: center;
        font-family: 'Roboto', sans-serif;
        font-size: 14px;
        font-weight: 500;
        min-height: 24px;
      }