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;
}
/* ===== ZALO CONTACT BUTTONS ===== */
.zalo-buttons {
    position: fixed;
    right: 18px;
    bottom: 25px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Mỗi nút Zalo */
.zalo-btn {
    width: 60px;
    height: 60px;
    background-color: #0f9cf7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .3);
    cursor: pointer;
    transition: 0.25s;
}

    .zalo-btn:hover {
        transform: scale(1.07);
    }

/* Chữ ghi chú nằm dưới nút */
.zalo-note {
    font-size: 0.8rem;
    text-align: center;
    color: #333;
    margin-top: 4px;
}

.zalo-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}