/* ============================================
   ESTILOS MODERNOS Y RESPONSIVE PARA SYSAGUA
   ============================================ */

:root {
  --primary-color: #2196F3;
  --primary-dark: #1976D2;
  --primary-light: #64B5F6;
  --secondary-color: #00BCD4;
  --success-color: #4CAF50;
  --warning-color: #FF9800;
  --danger-color: #F44336;
  --info-color: #00BCD4;
  --dark-color: #212121;
  --light-color: #F5F5F5;
  --white: #FFFFFF;
  --text-primary: #212121;
  --text-secondary: #757575;
  --border-color: #E0E0E0;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 20px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   NAVBAR MODERNA
   ============================================ */

.modern-navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  box-shadow: var(--shadow-md);
  border: none;
  padding: 0.5rem 0;
  transition: var(--transition);
}

.modern-navbar .navbar-brand {
  color: var(--white) !important;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-logo {
  height: 48px;
  margin-top: -12px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  transition: var(--transition);
}

.navbar-logo:hover {
  transform: scale(1.05);
}

/* ============================================
   PÁGINA DE LOGIN
   ============================================ */

.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}

.login-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  opacity: 0.1;
  z-index: 0;
}

.login-background::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.login-container {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px 40px;
}

.login-wrapper {
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
}

.login-card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-xl);
  padding: 40px 35px;
  animation: slideUp 0.5s ease-out;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 35px;
}

.avatar-container {
  position: relative;
  display: inline-block;
  margin-bottom: 20px;
}

.login-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--white);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}

.avatar-ring {
  position: absolute;
  top: -4px;
  left: -4px;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  z-index: 1;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.4;
  }
}

.login-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 15px 0 8px;
}

.login-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   FORMULARIOS MODERNOS
   ============================================ */

.login-form {
  margin-top: 30px;
}

.modern-form-group {
  position: relative;
  margin-bottom: 25px;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-label .material-icons {
  font-size: 18px;
  color: var(--primary-color);
}

.modern-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--white);
  transition: var(--transition);
  font-family: var(--font-family);
  box-sizing: border-box;
}

/* Input con icono de toggle (para password) - padding extra a la derecha */
.modern-form-group .modern-input[type="password"],
.modern-form-group .modern-input[type="text"] {
  padding-right: 50px;
}

.modern-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.modern-form-group.focused .form-label {
  color: var(--primary-color);
}

.modern-form-group {
  position: relative;
}

/* Contenedor para input con icono */
.modern-form-group .input-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
  overflow: visible;
}

.toggle-password {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  height: 36px;
  width: 36px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border-radius: 4px;
  z-index: 10;
  pointer-events: auto;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

/* Si el toggle está dentro del form-group directamente (sin wrapper) */
.modern-form-group > .toggle-password {
  top: calc(34px + 14px); /* label height + margin + input padding top */
  transform: translateY(0);
}

.toggle-password:hover {
  background: var(--light-color);
  color: var(--primary-color);
}

.toggle-password:active {
  background: rgba(33, 150, 243, 0.1);
}

.toggle-password .material-icons {
  font-size: 20px;
}

.remember-group {
  margin-bottom: 25px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.modern-checkbox {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  position: relative;
  transition: var(--transition);
  flex-shrink: 0;
}

.modern-checkbox:checked + .checkbox-custom {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.modern-checkbox:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--white);
  font-size: 14px;
  font-weight: bold;
}

.checkbox-text {
  font-size: 14px;
  color: var(--text-primary);
}

.modern-btn-primary {
  width: 100%;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.modern-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.modern-btn-primary:active {
  transform: translateY(0);
}

.modern-btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   ALERTAS MODERNAS
   ============================================ */

.modern-alert {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 8px;
  border: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  animation: slideDown 0.3s ease-out;
  box-shadow: var(--shadow-sm);
}

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

.modern-alert.alert-danger {
  background: #FFEBEE;
  color: #C62828;
}

.alert-icon {
  flex-shrink: 0;
}

.alert-icon .material-icons {
  font-size: 24px;
}

.alert-content {
  flex: 1;
}

.alert-content h4 {
  margin: 0 0 5px 0;
  font-size: 16px;
  font-weight: 600;
}

.alert-content p {
  margin: 0;
  font-size: 14px;
}

.modern-alert .close {
  opacity: 0.7;
  font-size: 20px;
  padding: 0;
  margin: 0;
  line-height: 1;
}

.modern-alert .close:hover {
  opacity: 1;
}

/* ============================================
   FOOTER MODERNO
   ============================================ */

.login-footer {
  margin-top: 25px;
  text-align: center;
}

.help-text {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 0;
}

.help-text .material-icons {
  font-size: 16px;
}

.modern-footer {
  margin-top: 40px;
  padding: 20px;
  text-align: center;
  color: rgba(255,255,255,0.9);
}

.footer-content p {
  margin: 5px 0;
  font-size: 13px;
}

.footer-content a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  transition: var(--transition);
}

.footer-content a:hover {
  color: var(--white);
  text-decoration: underline;
}

/* ============================================
   PANEL PRINCIPAL - DASHBOARD
   ============================================ */

.dashboard-container {
  padding: 80px 20px 40px;
  background: var(--light-color);
  min-height: 100vh;
}

.dashboard-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 30px;
  border-radius: var(--border-radius);
  margin-bottom: 30px;
  box-shadow: var(--shadow-lg);
}

.dashboard-welcome {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.dashboard-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.3);
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

.dashboard-info h1 {
  margin: 0 0 8px 0;
  font-size: 28px;
  font-weight: 700;
}

.dashboard-info p {
  margin: 0;
  opacity: 0.9;
  font-size: 14px;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--white);
  padding: 25px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-left: 4px solid var(--primary-color);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-card.success {
  border-left-color: var(--success-color);
}

.stat-card.warning {
  border-left-color: var(--warning-color);
}

.stat-card.danger {
  border-left-color: var(--danger-color);
}

.stat-card.info {
  border-left-color: var(--info-color);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
}

.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(33, 150, 243, 0.1);
  color: var(--primary-color);
}

.stat-card.success .stat-icon {
  background: rgba(76, 175, 80, 0.1);
  color: var(--success-color);
}

.stat-card.warning .stat-icon {
  background: rgba(255, 152, 0, 0.1);
  color: var(--warning-color);
}

.stat-card.danger .stat-icon {
  background: rgba(244, 67, 54, 0.1);
  color: var(--danger-color);
}

.stat-card.info .stat-icon {
  background: rgba(0, 188, 212, 0.1);
  color: var(--info-color);
}

.stat-icon .material-icons {
  font-size: 28px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 5px 0 0 0;
}

/* ============================================
   CARDS MODERNAS
   ============================================ */

.modern-card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.modern-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Grid de cards - 2 por fila en desktop */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

/* Asegurar que las cards tengan la misma altura */
.cards-grid .modern-card {
  margin-bottom: 0;
}

.card-header-modern {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-header-modern h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.3;
}

.card-header-modern .material-icons {
  font-size: 20px;
}

.card-body-modern {
  padding: 15px 20px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.info-item {
  background: var(--light-color);
  padding: 18px;
  border-radius: 8px;
  border-left: 3px solid var(--primary-color);
  transition: var(--transition);
}

.info-item:hover {
  background: #EEEEEE;
  transform: translateX(4px);
}

.info-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: 16px;
  color: var(--text-primary);
  font-weight: 500;
  margin: 0;
}

/* ============================================
   TABLAS MODERNAS
   ============================================ */

.modern-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}

.modern-table th {
  background: var(--light-color);
  padding: 6px 10px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--border-color);
  line-height: 1.4;
}

.modern-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  line-height: 1.5;
}

.modern-table tr:hover {
  background: var(--light-color);
}

.modern-table tr:last-child td {
  border-bottom: none;
}

/* ============================================
   BOTONES MODERNOS
   ============================================ */

.btn-modern {
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-modern-primary {
  background: var(--primary-color);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn-modern-primary:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-modern-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  padding: 0;
  border-radius: 50%;
  background: rgba(33, 150, 243, 0.1);
  color: var(--primary-color);
  transition: var(--transition);
  text-decoration: none;
  box-sizing: border-box;
  flex-shrink: 0;
}

.btn-modern-icon .material-icons {
  font-size: 20px !important;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.btn-modern-icon:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: scale(1.05);
}

.btn-modern-icon:active {
  transform: scale(0.95);
}

/* ============================================
   BADGES Y LABELS MODERNOS
   ============================================ */

.badge-modern {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-modern-success {
  background: rgba(76, 175, 80, 0.1);
  color: var(--success-color);
}

.badge-modern-warning {
  background: rgba(255, 152, 0, 0.1);
  color: var(--warning-color);
}

.badge-modern-danger {
  background: rgba(244, 67, 54, 0.1);
  color: var(--danger-color);
}

.badge-modern-primary {
  background: rgba(33, 150, 243, 0.1);
  color: var(--primary-color);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 992px) {
  /* En tablets, mostrar 1 card por fila */
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

@media (max-width: 768px) {
  .login-card {
    padding: 30px 25px;
  }
  
  .login-title {
    font-size: 24px;
  }
  
  .dashboard-header {
    padding: 20px;
  }
  
  .dashboard-info h1 {
    font-size: 22px;
  }
  
  .dashboard-stats {
    grid-template-columns: 1fr;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-value {
    font-size: 28px;
  }
  
  .card-header-modern h2 {
    font-size: 18px;
  }
  
  .card-body-modern {
    padding: 20px;
  }
  
  .modern-table {
    font-size: 13px;
  }
  
  .modern-table th,
  .modern-table td {
    padding: 10px 8px;
  }
  
  /* En móviles, mostrar 1 card por fila */
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

@media (max-width: 480px) {
  .login-container {
    padding: 60px 15px 30px;
  }
  
  .login-card {
    padding: 25px 20px;
  }
  
  .login-avatar {
    width: 80px;
    height: 80px;
  }
  
  .avatar-ring {
    width: 88px;
    height: 88px;
    top: -4px;
    left: -4px;
  }
  
  .modern-input {
    padding: 12px 14px;
    font-size: 14px;
  }
  
  .modern-btn-primary {
    padding: 12px 20px;
    font-size: 15px;
  }
  
  .dashboard-container {
    padding: 70px 15px 30px;
  }
  
  .dashboard-header {
    padding: 20px 15px;
  }
  
  .dashboard-welcome {
    flex-direction: column;
    text-align: center;
  }
  
  .dashboard-avatar {
    width: 60px;
    height: 60px;
  }
  
  .stat-card {
    padding: 20px;
  }
  
  .card-body-modern {
    padding: 15px;
  }
  
  .info-item {
    padding: 15px;
  }
}

/* ============================================
   UTILIDADES
   ============================================ */

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-in-right {
  animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* ============================================
   MENÚ DE USUARIO
   ============================================ */

.modern-user-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white) !important;
  padding: 8px 12px !important;
  border-radius: 20px;
  transition: var(--transition);
}

.modern-user-menu:hover {
  background: rgba(255,255,255,0.1) !important;
}

.user-avatar-nav {
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
}

.user-name-nav {
  font-weight: 500;
}

.modern-dropdown {
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  border: none;
  margin-top: 10px;
  padding: 8px 0;
}

.modern-dropdown li a {
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.modern-dropdown li a:hover {
  background: var(--light-color);
  color: var(--primary-color);
}

.modern-dropdown li a .material-icons {
  font-size: 20px;
}

.modern-dropdown .divider {
  margin: 8px 0;
  background: var(--border-color);
}

/* ============================================
   PÁGINA DE ERROR
   ============================================ */

.error-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.error-container {
  padding: 100px 20px 40px;
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-xl);
  padding: 50px 40px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  animation: slideUp 0.5s ease-out;
}

.error-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 30px;
  background: linear-gradient(135deg, #F44336 0%, #D32F2F 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.error-icon .material-icons {
  font-size: 64px;
  color: var(--white);
}

.error-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 15px;
}

.error-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin: 0 0 30px;
}

/* ============================================
   MEJORAS ADICIONALES
   ============================================ */

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--light-color);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Selección de texto */
::selection {
  background: var(--primary-color);
  color: var(--white);
}

::-moz-selection {
  background: var(--primary-color);
  color: var(--white);
}

/* Focus visible para accesibilidad */
*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Mejoras en enlaces */
a {
  transition: var(--transition);
}

a:hover {
  opacity: 0.8;
}

/* Animación de carga */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.loading-shimmer {
  animation: shimmer 2s infinite;
  background: linear-gradient(to right, #f0f0f0 8%, #e0e0e0 18%, #f0f0f0 33%);
  background-size: 1000px 100%;
}

/* Mejoras en tablas responsive */
@media (max-width: 768px) {
  .modern-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  
  .modern-table thead,
  .modern-table tbody,
  .modern-table tr,
  .modern-table td,
  .modern-table th {
    display: block;
  }
  
  .modern-table thead {
    display: none;
  }
  
  .modern-table tr {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
  }
  
  .modern-table td {
    border: none;
    padding: 8px 0;
    text-align: left;
  }
  
  .modern-table td:before {
    content: attr(data-label) ": ";
    font-weight: 600;
    color: var(--text-secondary);
    display: inline-block;
    width: 120px;
  }
}

/* Print styles */
@media print {
  .modern-navbar,
  .login-background,
  .modern-footer,
  .error-icon {
    display: none;
  }
  
  .login-card,
  .modern-card,
  .error-card {
    box-shadow: none;
    border: 1px solid var(--border-color);
  }
  
  .dashboard-stats {
    page-break-inside: avoid;
  }
}