.import_students {
  width: 100%;

  background: #f7f8fc;
  display: flex;
  justify-content: center;
}
.import_students .import_card {
  width: 100%;
  max-width: 820px;
  background: #fff;
  border-radius: 12px;
  padding: 30px 40px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}
.import_students .import_card h2 {
  font-size: 25px;
  font-weight: 500;
  color: #1f2937;
}
.import_students .divider {
  width: 100%;
  height: 1px;
  background: #ddd;
  margin: 18px 0 28px;
}
.import_students .instruction_section h4 {
  font-size: 17px;
  color: #000;
  margin-bottom: 22px;
}
.import_students .instruction_section ul {
  list-style: none;
  padding: 0;
  margin: 0 0 30px;
}
.import_students .instruction_section li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #333;
  margin-bottom: 10px;
  line-height: 1.5;
  font-size: 15px;
}
.import_students .instruction_section li svg {
  color: #22c55e;
  margin-top: 5px;
  font-size: 14px;
}
.import_students .download_btn {
  margin-top: 28px;
  border: none;
  background: #4f83ff;
  color: #fff;
  padding: 14px 24px;
  border-radius: 6px;
  font-size: 15px;
  cursor: pointer;
  transition: 0.3s;
}
.import_students .download_btn:hover {
  background: #316df4;
}
.import_students .file_size {
  margin-top: 12px;
  color: #999;
  font-size: 15px;
}
.import_students .file_size span {
  color: #888;
}
.import_students .upload_section {
  margin-top: 55px;
}
.import_students .upload_section h3 {
  font-size: 25px;
  margin-bottom: 20px;
  color: #222;
}
.import_students .form_group {
  margin-bottom: 25px;
}
.import_students .form_group label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  color: #222;
}
.import_students .form_group label span {
  color: red;
}
.import_students .form_group select {
  width: 100%;
  max-width: 390px;
  height: 54px;
  border-radius: 8px;
  border: 1px solid #d6d6d6;
  padding: 0 16px;
  outline: none;
  font-size: 15px;
  color: #666;
  background: white;
}

.import_students .upload_box {
  position: relative;
  border: 2px dashed #d7dbe5;
  border-radius: 8px;
  padding: 42px 20px;
  text-align: center;
  margin-top: 12px;
  transition: 0.3s;
}
.import_students .upload_box:hover {
  border-color: #4f83ff;
}
.import_students .upload_box input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.import_students .csv_icon {
  font-size: 52px;
  color: #777;
  margin-bottom: 10px;
}
.import_students .upload_box p {
  font-size: 20px;
  color: #555;
}
.import_students .upload_box span {
  color: #3f63ff;
  font-weight: 600;
}
.import_students .upload_box small {
  display: block;
  margin-top: 8px;
  color: #888;
  font-size: 15px;
}

.import_students .button_group {
  display: flex;
  gap: 15px;
  margin-top: 24px;
}
.import_students .back_btn {
  width: 120px;
  height: 46px;
  border: 1px solid #d8d8d8;
  background: white;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  font-size: 15px;
}
.import_students .back_btn:hover {
  background: #f8f8f8;
}
.import_students .upload_btn {
  flex: 1;
  height: 46px;
  border: none;
  border-radius: 8px;
  background: #e9ecef;
  color: #b8b8b8;
  font-size: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  cursor: not-allowed;
}

/* ====================== */

@media (max-width: 991px) {
  .import_students .import_card {
    padding: 22px;
  }
  .import_students .import_card h2 {
    font-size: 18px;
  }
  .import_students .instruction_section h4 {
    font-size: 15px;
    margin-bottom: 10px;
  }
  .import_students .instruction_section li {
    font-size: 14px;
  }
  .import_students .divider {
    margin: 9px 0 13px;
  }
  .import_students .upload_section h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  .import_students .form_group select {
    max-width: 100%;
  }
  .import_students .upload_section {
    margin-top: 8px;
  }
  .import_students .upload_box p {
    font-size: 15px;
  }
  .import_students .button_group {
    flex-direction: column;
  }
  .import_students .back_btn,
  .import_students .upload_btn {
    width: 100%;
  }
  .import_students {
    padding: 0;
  }
  .import_students .button_group {
    display: flex;
    gap: 9px;
    margin-top: 15px;
  }
}