/* =============================================================
   MEJORAS PARA FORMULARIOS Y MODALES
   Estilos mejorados para mejorar la experiencia de usuario
   ============================================================= */

/* Variables compartidas */
:root {
  --input-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --input-shadow-focus: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
  --input-border-radius: 0.375rem;
  --input-transition: all 0.2s ease-in-out;
  --label-color: #495057;
  --placeholder-color: #6c757d;
  --select-arrow-color: #495057;
}

/* ==============================
   MEJORAS PARA FORMULARIOS
   ============================== */

/* Estilo para labels */
.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--label-color);
  font-size: 0.9rem;
}

/* Campos de texto mejorados */
.form-control {
  border-radius: var(--input-border-radius);
  box-shadow: var(--input-shadow);
  border: 1px solid #ced4da;
  padding: 0.5rem 0.75rem;
  transition: var(--input-transition);
  font-size: 0.95rem;
}

.form-control:focus {
  border-color: #80bdff;
  box-shadow: var(--input-shadow-focus);
}

.form-control::placeholder {
  color: var(--placeholder-color);
  opacity: 0.7;
}

/* Mejoras para select */
.form-select {
  border-radius: var(--input-border-radius);
  box-shadow: var(--input-shadow);
  border: 1px solid #ced4da;
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  transition: var(--input-transition);
  font-size: 0.95rem;
}

.form-select:focus {
  border-color: #80bdff;
  box-shadow: var(--input-shadow-focus);
}

/* Estilo para campos deshabilitados */
.form-control:disabled,
.form-control[readonly],
.form-select:disabled {
  background-color: #f8f9fa;
  opacity: 0.7;
}

/* Validación de formularios */
.form-control.is-valid,
.form-select.is-valid {
  border-color: #28a745;
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
  border-color: #28a745;
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: #dc3545;
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Feedback de validación */
.valid-feedback,
.invalid-feedback {
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

.valid-feedback {
  color: #28a745;
}

.invalid-feedback {
  color: #dc3545;
}

/* Grupos de formularios */
.form-group {
  margin-bottom: 1rem;
}

/* Mejoras para el modo flotante */
.form-floating > .form-control,
.form-floating > .form-select {
  height: calc(3.5rem + 2px);
  padding: 1.25rem 0.75rem 0.5rem;
}

.form-floating > label {
  padding: 0.75rem 0.75rem;
  color: var(--placeholder-color);
  font-weight: 400;
  transition: all 0.2s ease-in-out;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
  opacity: 0.65;
  transform: scale(0.85) translateY(-0.75rem) translateX(0.15rem);
  color: #0d6efd;
  font-weight: 500;
}

/* Elementos de formulario inline */
.form-inline {
  display: flex;
  flex-flow: row wrap;
  align-items: center;
}

.form-inline .form-control,
.form-inline .form-select {
  width: auto;
  vertical-align: middle;
  margin-right: 0.5rem;
}

/* Mejoras para check y radio */
.form-check-input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.25rem;
  vertical-align: top;
  background-color: #fff;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  border: 1px solid rgba(0, 0, 0, 0.25);
  appearance: none;
  transition: var(--input-transition);
}

.form-check-input:checked {
  background-color: #0d6efd;
  border-color: #0d6efd;
}

.form-check-input[type="checkbox"] {
  border-radius: 0.25em;
}

.form-check-input[type="checkbox"]:checked {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/%3e%3c/svg%3e");
}

.form-check-input[type="radio"] {
  border-radius: 50%;
}

.form-check-input[type="radio"]:checked {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}

.form-check-label {
  margin-left: 0.25rem;
  color: var(--label-color);
}

/* ==============================
   MEJORAS PARA MODALES
   ============================== */

/* Estilos mejorados para modales */
.modal-content {
  border: none;
  border-radius: 0.5rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

/* Cabecera de modal */
.modal-header {
  padding: 1.25rem 1.5rem;
  background-color: #f8f9fa;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.modal-header.bg-primary {
  background: linear-gradient(135deg, #0d6efd, #0056b3) !important;
  color: white;
}

.modal-header.bg-success {
  background: linear-gradient(135deg, #198754, #155e3e) !important;
  color: white;
}

.modal-header.bg-info {
  background: linear-gradient(135deg, #0dcaf0, #0ba6c5) !important;
  color: white;
}

.modal-header.bg-warning {
  background: linear-gradient(135deg, #ffc107, #e0a800) !important;
  color: white;
}

.modal-header.bg-danger {
  background: linear-gradient(135deg, #dc3545, #b02a37) !important;
  color: white;
}

.modal-header.bg-secondary {
  background: linear-gradient(135deg, #6c757d, #565e64) !important;
  color: white;
}

/* Título del modal */
.modal-title {
  font-weight: 600;
  color: inherit;
  display: flex;
  align-items: center;
}

.modal-title i,
.modal-title svg {
  margin-right: 0.5rem;
  font-size: 1.1em;
}

/* Botón para cerrar el modal */
.modal-header .btn-close {
  color: inherit;
  opacity: 0.85 !important;
  padding: 0.25rem;
  margin: -0.25rem;
  background: transparent;
  border: none;
  font-size: 1.25rem;
  transition: all 0.2s ease;
  /* Invierte el SVG negro de Bootstrap 5 para hacerlo visible
     tanto en headers claros como en el degradado azul del tema */
  filter: invert(1) grayscale(100%) brightness(200%) !important;
}

.modal-header .btn-close:hover {
  opacity: 1 !important;
  transform: scale(1.1);
}

/* Cuerpo del modal */
.modal-body {
  padding: 1.5rem;
}

/* Footer del modal */
.modal-footer {
  padding: 1rem 1.5rem;
  background-color: #f8f9fa;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Botones en el modal footer */
.modal-footer .btn {
  padding: 0.5rem 1.25rem;
  font-weight: 500;
  border-radius: 0.35rem;
  transition: all 0.2s ease;
}

.modal-footer .btn-primary {
  background: linear-gradient(135deg, #0d6efd, #0056b3);
  border: none;
}

.modal-footer .btn-success {
  background: linear-gradient(135deg, #198754, #155e3e);
  border: none;
}

.modal-footer .btn-secondary {
  background: linear-gradient(135deg, #6c757d, #565e64);
  border: none;
}

.modal-footer .btn-danger {
  background: linear-gradient(135deg, #dc3545, #b02a37);
  border: none;
}

/* Tamaños del modal */
.modal-sm {
  max-width: 320px;
}

.modal-lg {
  max-width: 800px;
}

.modal-xl {
  max-width: 1000px;
}

/* Animación al abrir el modal */
.modal-dialog {
  transform: none;
  transition: transform 0.3s ease-out;
}

.modal.fade .modal-dialog {
  transform: scale(0.95);
}

.modal.show .modal-dialog {
  transform: none;
}

/* ==============================
   SCROLLBAR PERSONALIZADO
   ============================== */

/* Estilo para scrollbar personalizado */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #999;
}

/* Estilo para scrollbar en modal */
.modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-body::-webkit-scrollbar-thumb {
  background: #c1c1c1;
}

/* ==============================
   ADAPTACIONES RESPONSIVE
   ============================== */

@media (max-width: 576px) {
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 1rem;
  }
  
  .form-control,
  .form-select {
    font-size: 1rem;
  }
  
  .modal-title {
    font-size: 1.1rem;
  }
  
  .modal-footer .btn {
    padding: 0.5rem 1rem;
  }
}