/* Variables de color */
:root {
  --primary-color: #0d6efd;
  --success-color: #198754;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --info-color: #0dcaf0;
}

/* Estilos generales */
html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: #f8f9fa;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main {
  flex: 1;
}

/* Estilos de formularios */
.form-control, .form-select {
  border-radius: 0.375rem;
  border: 1px solid #dee2e6;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.btn:focus, 
.btn:active:focus, 
.btn-link.nav-link:focus, 
.form-control:focus, 
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Estilos de botones */
.btn {
  font-weight: 500;
  border-radius: 0.375rem;
  transition: all 0.2s ease-in-out;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: #0b5ed7;
  border-color: #0b5ed7;
}

/* Estilos de tarjetas */
.card {
  border: none;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease-in-out;
  margin-bottom: 1.5rem;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.card-header {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: 1.25rem;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

/* Estilos de tablas */
.table {
  margin-bottom: 0;
}

.table thead th {
  background-color: #f8f9fa;
  font-weight: 600;
  color: #495057;
  border-bottom: 2px solid #dee2e6;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.table tbody tr {
  border-bottom: 1px solid #dee2e6;
  transition: background-color 0.15s ease-in-out;
}
.alerta-flotante {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 420px;
    z-index: 99999;
    box-shadow: 0 10px 25px rgba(0,0,0,.2);
}
.alert-danger.alerta-flotante {
    background-color: #dc3545;
    color: white;
    border: none;
}

    .alert-danger.alerta-flotante .btn-close {
        filter: invert(1);
    }

.alert-success.alerta-flotante {
    border: none;
}
.table tbody tr:hover {
  background-color: #f8f9fa;
}

.table-responsive {
  border-radius: 0.5rem;
  overflow: hidden;
}

/* Estilos de progress bar */
.progress {
  background-color: #e9ecef;
  border-radius: 0.375rem;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.progress-bar {
  transition: width 0.3s ease-in-out;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.progress-bar.bg-success {
  background-color: var(--success-color) !important;
}

.progress-bar.bg-warning {
  background-color: var(--warning-color) !important;
  color: #000;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3);
}

.progress-bar.bg-info {
  background-color: var(--info-color) !important;
}

.progress-bar.bg-danger {
  background-color: var(--danger-color) !important;
}

/* Estilos de badges */
.badge {
  padding: 0.5rem 0.75rem;
  font-weight: 500;
  font-size: 0.85rem;
  border-radius: 0.25rem;
}

/* Estilos de alertas */
.alert {
  border: none;
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.alert-success {
  background-color: #d1e7dd;
  color: #0f5132;
  border-left: 4px solid var(--success-color);
}

.alert-danger {
  background-color: #f8d7da;
  color: #842029;
  border-left: 4px solid var(--danger-color);
}

.alert-warning {
  background-color: #fff3cd;
  color: #664d03;
  border-left: 4px solid var(--warning-color);
}

.alert-info {
  background-color: #cfe2ff;
  color: #084298;
  border-left: 4px solid var(--info-color);
}

/* Estilos de navbar */
.navbar {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-link {
  font-weight: 500;
  transition: color 0.15s ease-in-out;
}

.nav-link:hover {
  color: rgba(255, 255, 255, 0.8) !important;
}

/* Estilos de footer */
footer {
  margin-top: auto;
  background-color: #f8f9fa;
  border-top: 1px solid #dee2e6;
}

/* Inputs especiales */
#inputEscaneo {
  font-size: 1.25rem;
  padding: 0.75rem 1rem;
  font-family: monospace;
  letter-spacing: 0.05em;
}

#inputEscaneo:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Espaciado */
.py-4 {
  padding-top: 1.5rem !important;
  padding-bottom: 1.5rem !important;
}

.mb-4 {
  margin-bottom: 1.5rem !important;
}

/* Responsive */
@media (max-width: 768px) {
  .container-fluid {
    padding: 0.5rem;
  }

  .card {
    margin-bottom: 1rem;
  }

  .table {
    font-size: 0.9rem;
  }

  .btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
  }
}

/* Utilidades */
.align-middle {
  vertical-align: middle !important;
}

.fw-semibold {
  font-weight: 600;
}

/* Animaciones */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert, .card {
  animation: fadeIn 0.3s ease-in-out;
}