html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}
/* Typing animation cho chatbox */
@keyframes typingAnim {
    0%, 60%, 100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-6px);
    }
}
/* Typing dots animation */
@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

.typing-dots span:nth-child(1) {
    animation: typingBounce 1s infinite;
}

.typing-dots span:nth-child(2) {
    animation: typingBounce 1s infinite 0.2s;
}

.typing-dots span:nth-child(3) {
    animation: typingBounce 1s infinite 0.4s;
}