/* 
 * Sistema de Envíos FedEx Internacional - Rediseño Moderno
 * Estilos completos
 */

/* ===== Variables y Estilos base ===== */
:root {
  /* Colores principales - Basados en #00c2d5 (primario) y #ff7600 (secundario) */
  --primary: #00c2d5;
  --primary-light: #4fd5e3;
  --primary-dark: #0095a3;
  --primary-25: rgba(0, 194, 213, 0.25);
  --primary-10: rgba(0, 194, 213, 0.1);
  --primary-05: rgba(0, 194, 213, 0.05);
  
  --secondary: #ff7600;
  --secondary-light: #ff9433;
  --secondary-dark: #cc5e00;
  --secondary-25: rgba(255, 118, 0, 0.25);
  --secondary-10: rgba(255, 118, 0, 0.1);
  --secondary-05: rgba(255, 118, 0, 0.05);
  
  /* Colores de texto */
  --text-dark: #2d3748;
  --text-medium: #4a5568;
  --text-light: #718096;
  --text-muted: #a0aec0;
  
  /* Colores de fondo */
  --bg-white: #ffffff;
  --bg-light: #f7fafc;
  --bg-lighter: #edf2f7;
  --bg-dark: #2d3748;
  
  /* Colores de estado */
  --success: #10b981;
  --success-light: #d1fae5;
  --success-dark: #059669;
  
  --error: #ef4444;
  --error-light: #fee2e2;
  --error-dark: #b91c1c;
  
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --warning-dark: #d97706;
  
  --info: #3b82f6;
  --info-light: #dbeafe;
  --info-dark: #2563eb;
  
  /* Colores de interfaz */
  --border-color: #e2e8f0;
  --border-color-darker: #cbd5e1;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --shadow-color-darker: rgba(0, 0, 0, 0.1);
  
  /* Tipografía */
  --font-primary: 'Roboto', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Roboto', 'Segoe UI', system-ui, -apple-system, sans-serif;
  
  /* Bordes y sombras */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.07), 0 5px 10px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  
  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Transiciones */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Tamaños tipográficos */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
}

/* Estilos base */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: 1.5;
  color: var(--text-dark);
  background-color: var(--bg-light);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--primary-dark);
}

a:focus {
  outline: 2px solid var(--primary-25);
  outline-offset: 2px;
}

/* Tipografía mejorada */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: var(--space-4);
  color: var(--text-dark);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  margin-bottom: var(--space-4);
}

small {
  font-size: var(--text-sm);
}

strong, b {
  font-weight: 600;
}

/* Layout y contenedor */
.container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

main {
  min-height: calc(100vh - 280px);
  padding: var(--space-8) 0;
}

/* ===== Navbar rediseñada ===== */
.navbar {
  box-shadow: var(--shadow-md);
  padding: var(--space-3) 0;
  position: relative;
  z-index: 20;
}

.navbar-brand {
  font-size: var(--text-xl);
  font-weight: 700;
  color: white !important;
  letter-spacing: 0.5px;
  padding: var(--space-2) 0;
  display: flex;
  align-items: center;
}

.navbar-dark {
  background: linear-gradient(100deg, var(--primary), var(--primary-dark));
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  margin: 0 var(--space-1);
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: white;
  background-color: rgba(255, 255, 255, 0.12);
}

.navbar-dark .navbar-nav .active > .nav-link,
.navbar-dark .navbar-nav .nav-link.active {
  background-color: rgba(255, 255, 255, 0.18);
  color: white;
  font-weight: 600;
}

.dropdown-menu {
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2) 0;
  margin-top: var(--space-2);
  background-color: var(--bg-white);
  overflow: hidden;
  transform-origin: top;
  animation: dropdownFade 0.2s ease;
}

@keyframes dropdownFade {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-item {
  padding: var(--space-2) var(--space-4);
  font-weight: 500;
  transition: all var(--transition-fast);
  color: var(--text-medium);
}

.dropdown-item:hover {
  background-color: var(--primary-05);
  color: var(--primary);
}

.dropdown-item:active {
  background-color: var(--primary-10);
  color: var(--primary-dark);
}

.dropdown-divider {
  margin: var(--space-1) 0;
  border-top: 1px solid var(--border-color);
}

/* ===== Tarjetas modernas ===== */
.card {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-6);
  overflow: hidden;
  background-color: var(--bg-white);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-4) var(--space-6);
  font-weight: 600;
}

.card-body {
  padding: var(--space-6);
  background-color: var(--bg-white);
}

.card-footer {
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
  padding: var(--space-4) var(--space-6);
}

/* Cards con colores */
.card-header.bg-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  color: white;
  border-bottom: none;
}

.card-header.bg-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)) !important;
  color: white;
  border-bottom: none;
}

.card-header.bg-success {
  background: linear-gradient(135deg, var(--success), var(--success-dark)) !important;
  color: white;
  border-bottom: none;
}

.card-header.bg-info {
  background: linear-gradient(135deg, var(--info), var(--info-dark)) !important;
  color: white;
  border-bottom: none;
}

/* ===== Formularios elegantes ===== */
.form-label {
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--text-dark);
  display: block;
}

.form-control, .form-select {
  display: block;
  width: 100%;
  padding: 0.65rem 1rem;
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-dark);
  background-color: var(--bg-white);
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-25);
  outline: 0;
}

.form-control.is-invalid, .form-select.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-light);
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

.input-group {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  width: 100%;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
}

.input-group > .form-control,
.input-group > .form-select {
  position: relative;
  flex: 1 1 auto;
  width: 1%;
  min-width: 0;
  border-radius: 0;
}

.input-group > .form-control:first-child,
.input-group > .form-select:first-child {
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.input-group > .form-control:last-child,
.input-group > .form-select:last-child {
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: 0.65rem 1rem;
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-medium);
  text-align: center;
  white-space: nowrap;
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.input-group > .input-group-text:first-child {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group > .input-group-text:last-child {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-group .form-control {
  box-shadow: none;
}

.invalid-feedback {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  font-size: var(--text-sm);
  color: var(--error);
}

.form-text {
  margin-top: 0.25rem;
  font-size: var(--text-sm);
  color: var(--text-medium);
}

.form-check {
  display: block;
  min-height: 1.5rem;
  padding-left: 1.5rem;
  margin-bottom: 0.125rem;
}

.form-check-input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.25rem;
  margin-left: -1.5rem;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color-darker);
  transition: all var(--transition-fast);
  appearance: none;
}

.form-check-input[type="checkbox"] {
  border-radius: var(--radius-sm);
}

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

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.form-check-input:checked[type="checkbox"] {
  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='2' d='M6 10l3 3l6-6'/%3e%3c/svg%3e");
  background-size: 75%;
  background-position: center;
  background-repeat: no-repeat;
}

.form-check-input:focus {
  border-color: var(--primary);
  outline: 0;
  box-shadow: 0 0 0 3px var(--primary-25);
}

.form-check-label {
  color: var(--text-medium);
}

.form-switch {
  padding-left: 2.5rem;
}

.form-switch .form-check-input {
  width: 2rem;
  margin-left: -2.5rem;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba%280, 0, 0, 0.25%29'/%3e%3c/svg%3e");
  background-position: left center;
  border-radius: 2rem;
  transition: background-position 0.15s ease-in-out;
}

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

/* ===== Botones modernos ===== */
.btn {
  display: inline-block;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  padding: 0.65rem 1.25rem;
  font-size: var(--text-base);
  border-radius: var(--radius-md);
  border: none;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn:focus {
  outline: 0;
  box-shadow: 0 0 0 3px var(--primary-25);
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.8rem 1.5rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-md);
}

/* Botón primario */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-dark));
  color: white;
}

.btn-primary:active, .btn-primary:focus {
  background: var(--primary-dark) !important;
  color: white;
}

/* Botón secundario */
.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-dark), var(--secondary-dark));
  color: white;
}

.btn-secondary:active, .btn-secondary:focus {
  background: var(--secondary-dark) !important;
  color: white;
}

/* Botón de éxito */
.btn-success {
  background: linear-gradient(135deg, var(--success), var(--success-dark));
  color: white;
}

.btn-success:hover {
  background: linear-gradient(135deg, var(--success-dark), var(--success-dark));
  color: white;
}

.btn-success:active, .btn-success:focus {
  background: var(--success-dark) !important;
  color: white;
}

/* Botón de info */
.btn-info {
  background: linear-gradient(135deg, var(--info), var(--info-dark));
  color: white;
}

.btn-info:hover {
  background: linear-gradient(135deg, var(--info-dark), var(--info-dark));
  color: white;
}

/* Botones outline */
.btn-outline-primary {
  color: var(--primary);
  border: 1px solid var(--primary);
  background-color: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--primary);
  color: white;
}

.btn-outline-secondary {
  color: var(--secondary);
  border: 1px solid var(--secondary);
  background-color: transparent;
}

.btn-outline-secondary:hover {
  background-color: var(--secondary);
  color: white;
}

.btn-outline-success {
  color: var(--success);
  border: 1px solid var(--success);
  background-color: transparent;
}

.btn-outline-success:hover {
  background-color: var(--success);
  color: white;
}

.btn-outline-info {
  color: var(--info);
  border: 1px solid var(--info);
  background-color: transparent;
}

.btn-outline-info:hover {
  background-color: var(--info);
  color: white;
}

.btn-outline-warning {
  color: var(--warning);
  border: 1px solid var(--warning);
  background-color: transparent;
}

.btn-outline-warning:hover {
  background-color: var(--warning);
  color: white;
}

.btn-outline-danger {
  color: var(--error);
  border: 1px solid var(--error);
  background-color: transparent;
}

.btn-outline-danger:hover {
  background-color: var(--error);
  color: white;
}

.btn-outline-light {
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background-color: transparent;
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: white;
}

/* Grupo de botones */
.btn-group {
  position: relative;
  display: inline-flex;
  vertical-align: middle;
}

.btn-group > .btn {
  position: relative;
  flex: 1 1 auto;
}

.btn-group > .btn:not(:first-child) {
  margin-left: -1px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.btn-group > .btn:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

/* ===== Tablas elegantes ===== */
.table {
  width: 100%;
  margin-bottom: var(--space-6);
  color: var(--text-dark);
  vertical-align: top;
  border-color: var(--border-color);
  border-collapse: collapse;
}

.table th {
  font-weight: 600;
  padding: var(--space-4);
  background-color: var(--bg-light);
  color: var(--text-dark);
  border-bottom: 2px solid var(--border-color);
  text-align: left;
}

.table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.table-sm th, .table-sm td {
  padding: var(--space-2) var(--space-3);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: var(--bg-light);
}

.table-hover tbody tr:hover {
  background-color: var(--primary-05);
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-6);
}

/* Estados de tabla */
.table-primary {
  background-color: var(--primary-05);
}

.table-success {
  background-color: var(--success-light);
}

.table-info {
  background-color: var(--info-light);
}

.table-warning {
  background-color: var(--warning-light);
}

.table-danger {
  background-color: var(--error-light);
}

/* ===== Alertas modernas ===== */
.alert {
  position: relative;
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-6);
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-dark);
  background-color: var(--bg-light);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-sm);
}

.alert-success {
  background-color: var(--success-light);
  border-left-color: var(--success);
  color: var(--success-dark);
}

.alert-danger {
  background-color: var(--error-light);
  border-left-color: var(--error);
  color: var(--error-dark);
}

.alert-warning {
  background-color: var(--warning-light);
  border-left-color: var(--warning);
  color: var(--warning-dark);
}

.alert-info {
  background-color: var(--info-light);
  border-left-color: var(--info);
  color: var(--info-dark);
}

.alert .bi {
  margin-right: var(--space-3);
  font-size: 1.25rem;
  vertical-align: -0.2em;
}

.alert-dismissible {
  padding-right: 3rem;
}

.alert-dismissible .btn-close {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 2;
  padding: var(--space-4) var(--space-6);
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
  opacity: 0.75;
  transition: opacity var(--transition-fast);
}

.alert-dismissible .btn-close:hover {
  opacity: 1;
}

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: 0.35em 0.65em;
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
  color: var(--bg-white);
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.badge.bg-primary {
  background-color: var(--primary) !important;
}

.badge.bg-secondary {
  background-color: var(--secondary) !important;
}

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

.badge.bg-danger {
  background-color: var(--error) !important;
}

.badge.bg-warning {
  background-color: var(--warning) !important;
}

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

.badge.bg-light {
  background-color: var(--bg-light) !important;
  color: var(--text-dark);
}

.badge.bg-dark {
  background-color: var(--bg-dark) !important;
}

/* ===== Paginación ===== */
.pagination {
  display: flex;
  padding-left: 0;
  list-style: none;
  margin: var(--space-6) 0;
}

.pagination .page-item .page-link {
  position: relative;
  display: block;
  padding: var(--space-2) var(--space-4);
  margin: 0 2px;
  color: var(--primary);
  text-decoration: none;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.pagination .page-item.active .page-link {
  z-index: 3;
  color: var(--bg-white);
  background-color: var(--primary);
  border-color: var(--primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.pagination .page-item:not(.active) .page-link:hover {
  z-index: 2;
  color: var(--primary-dark);
  background-color: var(--bg-light);
  border-color: var(--border-color-darker);
}

.pagination .page-item.disabled .page-link {
  color: var(--text-muted);
  pointer-events: none;
  cursor: not-allowed;
  background-color: var(--bg-white);
  border-color: var(--border-color);
}

.pagination .page-item:first-child .page-link {
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.pagination .page-item:last-child .page-link {
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

.pagination-lg .page-link {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-lg);
}

.pagination-sm .page-link {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
}

/* ===== Página de login y registro ===== */
.auth-card {
  max-width: 500px;
  margin: var(--space-8) auto;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.auth-card .card-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-align: center;
  padding: var(--space-6);
  border-bottom: none;
}

.auth-card .card-body {
  padding: var(--space-8);
}

.auth-form-divider {
  display: flex;
  align-items: center;
  margin: var(--space-6) 0;
  color: var(--text-light);
}

.auth-form-divider::before,
.auth-form-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.auth-form-divider span {
  padding: 0 var(--space-3);
}

/* ===== Calculadora de envíos ===== */
.calculator-section {
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  padding: var(--space-6);
  background-color: var(--bg-white);
  box-shadow: var(--shadow-md);
}

.calculator-section h5 {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
}

.calculator-section h5 i {
  margin-right: var(--space-2);
}

.calculator-divider {
  position: relative;
  margin: var(--space-8) 0;
  text-align: center;
}

.calculator-divider hr {
  border: 0;
  height: 1px;
  background-color: var(--border-color);
  margin: 0;
}

.calculator-divider .badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: var(--space-2) var(--space-4);
  background-color: var(--primary);
  color: white;
  box-shadow: var(--shadow-md);
}

#rate-result {
  animation: fadeIn 0.6s ease;
}

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

/* Animación para resaltar el descuento */
.discount-highlight {
  animation: pulseGlow 2s ease;
}

@keyframes pulseGlow {
  0% { background-color: var(--success-light); }
  50% { background-color: rgba(16, 185, 129, 0.3); }
  100% { background-color: var(--success-light); }
}

/* ===== Dashboard Admin ===== */
.stats-card {
  border-radius: var(--radius-lg);
  background-color: var(--bg-white);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  text-align: center;
  height: 100%;
  transition: transform var(--transition-normal);
}

.stats-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stats-card h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--primary);
}

.stats-card.secondary h1 {
  color: var(--secondary);
}

.stats-card.success h1 {
  color: var(--success);
}

.stats-card.info h1 {
  color: var(--info);
}

.stats-card p {
  color: var(--text-medium);
  margin-bottom: 0;
}

.activity-item {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal);
}

.activity-item:hover {
  background-color: var(--bg-light);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-time {
  color: var(--text-light);
  font-size: var(--text-sm);
}

/* ===== Elementos de perfil ===== */
.profile-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-6);
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  margin-right: var(--space-4);
  box-shadow: var(--shadow-md);
}

.profile-info h4 {
  margin-bottom: var(--space-1);
}

.profile-info p {
  margin-bottom: 0;
  color: var(--text-medium);
}

/* ===== Componentes personalizados ===== */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  margin-right: var(--space-2);
  box-shadow: var(--shadow-sm);
}

.avatar.bg-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.avatar.bg-success {
  background: linear-gradient(135deg, var(--success), var(--success-dark));
}

.avatar.bg-danger {
  background: linear-gradient(135deg, var(--error), var(--error-dark));
}

.avatar.bg-warning {
  background: linear-gradient(135deg, var(--warning), var(--warning-dark));
}

.avatar.bg-info {
  background: linear-gradient(135deg, var(--info), var(--info-dark));
}

/* Spinner animado */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spinner {
  animation: spin 1s linear infinite;
  display: inline-block;
}

.spin {
  animation: spin 1s linear infinite;
  display: inline-block;
}

.spinner-border {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  vertical-align: -0.125em;
  border: 0.2em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.spinner-border-sm {
  width: 0.8rem;
  height: 0.8rem;
  border-width: 0.15em;
}

/* ===== Niveles de descuento ===== */
.nivel-bronce {
  background-color: var(--text-light);
  color: white;
}

.nivel-plata {
  background-color: var(--info);
  color: white;
}

.nivel-oro {
  background-color: var(--warning);
  color: var(--text-dark);
}

.nivel-platino {
  background-color: var(--primary);
  color: white;
}

/* ===== Lista de grupos ===== */
.list-group {
  display: flex;
  flex-direction: column;
  padding-left: 0;
  margin-bottom: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.list-group-item {
  position: relative;
  display: block;
  padding: var(--space-3) var(--space-4);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-width: 0 0 1px;
}

.list-group-item:first-child {
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
}

.list-group-item:last-child {
  border-bottom-right-radius: inherit;
  border-bottom-left-radius: inherit;
  border-bottom-width: 0;
}

.list-group-item-action {
  width: 100%;
  color: var(--text-dark);
  text-align: inherit;
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.list-group-item-action:hover, .list-group-item-action:focus {
  z-index: 1;
  color: var(--text-dark);
  text-decoration: none;
  background-color: var(--bg-light);
}

.list-group-item-action:active {
  color: var(--text-dark);
  background-color: var(--primary-05);
}

.list-group-flush .list-group-item {
  border-right-width: 0;
  border-left-width: 0;
  border-radius: 0;
}

.list-group-flush .list-group-item:first-child {
  border-top-width: 0;
}

/* ===== Modals ===== */
.modal-content {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  border-radius: var(--radius-lg);
  background-color: var(--bg-white);
  box-shadow: var(--shadow-xl);
  outline: 0;
  overflow: hidden;
}

.modal-header {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.modal-body {
  position: relative;
  flex: 1 1 auto;
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  flex-wrap: wrap;
  flex-shrink: 0;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
}

.modal-footer > * {
  margin: var(--space-1);
}

.modal-title {
  margin-bottom: 0;
  line-height: 1.5;
  font-size: var(--text-lg);
  font-weight: 600;
}

.btn-close {
  box-sizing: content-box;
  width: 1em;
  height: 1em;
  padding: var(--space-2);
  background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 011.414 0L8 6.586 14.293.293a1 1 0 111.414 1.414L9.414 8l6.293 6.293a1 1 0 01-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 01-1.414-1.414L6.586 8 .293 1.707a1 1 0 010-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
  border: 0;
  border-radius: var(--radius-md);
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.btn-close:hover {
  color: var(--text-dark);
  text-decoration: none;
  opacity: 0.75;
}

.btn-close:focus {
  outline: 0;
  box-shadow: 0 0 0 3px var(--primary-25);
  opacity: 1;
}

/* Para modal-dialog */
.modal-dialog {
  max-width: 500px;
  margin: var(--space-4) auto;
  animation: modalFadeIn 0.3s ease;
}

.modal-dialog-centered {
  display: flex;
  align-items: center;
  min-height: calc(100% - var(--space-4) * 2);
}

.modal-dialog-scrollable {
  height: calc(100% - var(--space-4) * 2);
}

.modal-dialog-scrollable .modal-content {
  max-height: 100%;
  overflow: hidden;
}

.modal-dialog-scrollable .modal-body {
  overflow-y: auto;
}

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

.modal-sm {
  max-width: 300px;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Media Queries ===== */
@media (max-width: 1200px) {
  .container {
    max-width: 100%;
  }
}

@media (max-width: 992px) {
  .card-body {
    padding: var(--space-4);
  }
  
  .auth-card {
    margin: var(--space-4) auto;
  }
  
  .navbar-brand {
    font-size: var(--text-xl);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  h1 {
    font-size: var(--text-3xl);
  }
  
  h2 {
    font-size: var(--text-2xl);
  }
  
  .table th, .table td {
    padding: var(--space-2);
  }
  
  .profile-avatar {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
  }
  
  .stats-card h1 {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  main {
    padding: var(--space-4) 0;
  }
  
  .card {
    margin-bottom: var(--space-4);
  }
  
  .profile-header {
    flex-direction: column;
    text-align: center;
  }
  
  .profile-avatar {
    margin-right: 0;
    margin-bottom: var(--space-4);
  }
  
  .btn-sm {
    padding: 0.3rem 0.6rem;
    font-size: var(--text-xs);
  }
  
  .modal-dialog {
    margin: var(--space-2);
  }
}

/* Animaciones y transiciones */
.fade-in {
  animation: fadeIn var(--transition-normal);
}

.slide-up {
  animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Utilidades adicionales */
.text-primary {
  color: var(--primary) !important;
}

.text-secondary {
  color: var(--secondary) !important;
}

.text-success {
  color: var(--success) !important;
}

.text-danger {
  color: var(--error) !important;
}

.bg-light {
  background-color: var(--bg-light) !important;
}

.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.rounded {
  border-radius: var(--radius-md) !important;
}

.border-bottom {
  border-bottom: 1px solid var(--border-color) !important;
}

.text-end {
  text-align: right !important;
}

.text-center {
  text-align: center !important;
}

.fw-bold {
  font-weight: 700 !important;
}

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

.ms-auto {
  margin-left: auto !important;
}

.me-auto {
  margin-right: auto !important;
}

.d-flex {
  display: flex !important;
}

.align-items-center {
  align-items: center !important;
}

.justify-content-between {
  justify-content: space-between !important;
}

.justify-content-center {
  justify-content: center !important;
}

.flex-column {
  flex-direction: column !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.w-100 {
  width: 100% !important;
}

.h-100 {
  height: 100% !important;
}

.overflow-hidden {
  overflow: hidden !important;
}

.position-relative {
  position: relative !important;
}

.position-absolute {
  position: absolute !important;
}