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;
}

/* Ocultar flechas (spinners) en campos numéricos (Chrome, Safari, Edge, Opera) */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Ocultar flechas (spinners) en Firefox */
input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* Resaltado de inputs con base de cálculo faltante */
.input-base-invalida {
  border: 2px solid #dc3545 !important;
  background-color: #f8d7da !important;
  animation: shakeInput 0.3s ease-in-out;
}

/* Resaltado de inputs con bases faltantes para conceptos (versión más sutil) */
.input-base-faltante {
  border: 2px solid #ff6b6b !important;
  background-color: rgba(255, 107, 107, 0.08) !important;
  box-shadow: 0 0 0 0.25rem rgba(255, 107, 107, 0.15) !important;
}

@keyframes shakeInput {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ==========================================================================
   Accesibilidad UI: Contraste y visibilidad de Checkboxes (.form-check-input)
   ========================================================================== */
.form-check-input {
  border-width: 2px !important;
  border-color: #495057 !important;
  background-color: #ffffff;
  cursor: pointer;
  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-check-input:hover {
  border-color: #212529 !important;
}

.form-check-input:focus {
  border-color: #0d6efd !important;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.35) !important;
}

.form-check-input:checked {
  background-color: #0d6efd !important;
  border-color: #0b5ed7 !important;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.2));
}

.form-check-input:disabled {
  border-color: #adb5bd !important;
  background-color: #e9ecef !important;
  opacity: 0.65;
  cursor: not-allowed;
}

/* ==========================================================================
   Modo día/noche (Bootstrap 5.3 data-bs-theme)
   Se ajustan colores fijos para que acompañen al tema seleccionado.
   ========================================================================== */
[data-bs-theme="dark"] a:not(.btn):not(.nav-link):not(.navbar-brand):not(.page-link) {
  color: #6ea8fe !important;
}

[data-bs-theme="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-bs-theme="dark"] .border-top {
  border-top-color: var(--bs-border-color) !important;
}

[data-bs-theme="dark"] .border-bottom {
  border-bottom-color: var(--bs-border-color) !important;
}

[data-bs-theme="dark"] .input-base-invalida {
  background-color: rgba(220, 53, 69, 0.25) !important;
}

[data-bs-theme="dark"] .input-base-faltante {
  background-color: rgba(255, 107, 107, 0.15) !important;
}