/* style.css */
body {
    background: linear-gradient(135deg, #e6f9fa, #f8ffff);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
/* Toàn bộ form trong card sẽ có hiệu ứng nhẹ */
.card {
    border-radius: 20px;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    background: #ffffff;
}

/* Tiêu đề form */
h2 {
    font-weight: 700;
    color: #0d6efd;
}

/* Nhãn label */
.form-label {
    font-weight: 500;
    color: #333;
}
.card-body.custom-padding {
    padding: 3rem;
  }
/* Các input field */
input, select, textarea {
    border-radius: 10px;
    padding: 10px;
    border: 1px solid #ccc;
    transition: all 0.3s ease;
    width: 100%;
}

/* Khi người dùng click vào ô input */
input:focus, select:focus, textarea:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    outline: none;
    width: 100%;
}

/* Nút đăng ký */
button[type="submit"] {
    font-weight: 600;
    font-size: 16px;
    border-radius: 10px;
    transition: 0.3s;
}

/* Hover nút đăng ký */
button[type="submit"]:hover {
    background-color: #0b5ed7;
}

/* Responsive tối ưu hơn cho mobile */
/* === Mobile ≤ 320px === */
/* Responsive tối ưu cho mobile */
@media (max-width: 320px) {
    .card {
        padding: 15px;
        max-width: 100%;
    }
    h1, h2 {
        font-size: 1.2rem;
    }
    .form-label {
        font-size: 0.9rem;
    }
    .card-body.custom-padding {
        padding: 0rem;
      }
      .footer-logo {
        width: 80% !important;
        height: auto;
        max-height: none;
      }
}



/* === Mobile 321px - 375px === */
@media (min-width: 321px) and (max-width: 375px) {
    .card {
        padding: 20px;
        max-width: 100%;
    }
    h1, h2 {
        font-size: 1.4rem;
    }
    .card-body.custom-padding {
        padding: 0rem;
      }
      .footer-logo {
        width: 80% !important;
        height: auto;
        max-height: none;
      }
}

/* === Mobile 376px - 425px === */
@media (min-width: 376px) and (max-width: 425px) {
    .card {
        padding: 25px;
        max-width: 100%;
    }
    h1, h2 {
        font-size: 1.6rem;
    }
    .card-body.custom-padding {
        padding: 0rem;
      }
      .footer-logo {
        width: 80% !important;
        height: auto;
        max-height: none;
      }

}

/* === Mobile 426px - 767px (phablet) === */
@media (min-width: 426px) and (max-width: 767px) {
    .card {
        padding: 30px;
        max-width: 100%;
    }
    h1, h2 {
        font-size: 1.8rem;
    }
    .card-body {
        padding: 0rem;
      }
      .card-body.custom-padding {
        padding: 1rem;
      }
      .footer-logo {
        width: 80% !important;
        height: auto;
        max-height: none;
      }
}

  
/* #appointment_day::-webkit-calendar-picker-indicator {
    display: none;
  } */
  .footer-logo {
    max-height: 200px;
    width: auto;
  }
  /* Hiệu ứng mượt khi xuất hiện */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.btn-register {
  background-color: #33b8be !important;
  border: none !important;
  color: white !important;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 4px 12px rgba(51, 184, 190, 0.3);
}

.btn-register:hover {
  background-color: #2aa4a8 !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(51, 184, 190, 0.5);
}

.btn-register:active {
  transform: scale(0.95);
  box-shadow: none;
}