/* Dashboard Moderno - Estilos Avanzados */

/* Variables CSS para consistencia de colores */
:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --warning-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --info-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --dark-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --purple-gradient: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  --orange-gradient: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  
  --shadow-light: 0 5px 15px rgba(0,0,0,0.1);
  --shadow-medium: 0 8px 25px rgba(0,0,0,0.15);
  --shadow-heavy: 0 15px 35px rgba(0,0,0,0.2);
  
  --border-radius: 15px;
  --border-radius-small: 8px;
  --transition: all 0.3s ease;
}

/* Dashboard Cards con gradientes y efectos modernos */
.dashboard-card {
  background: var(--primary-gradient);
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  transition: var(--transition);
  color: white;
  overflow: hidden;
  position: relative;
}

.dashboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
}

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

.dashboard-card:hover::before {
  opacity: 1;
}

.dashboard-card.warning {
  background: var(--warning-gradient);
}

.dashboard-card.success {
  background: var(--success-gradient);
}

.dashboard-card.info {
  background: var(--info-gradient);
}

.dashboard-card.dark {
  background: var(--dark-gradient);
}

.dashboard-card.purple {
  background: var(--purple-gradient);
  color: #333;
}

/* Métricas con animaciones */
.metric-value {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 0;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
  background: linear-gradient(45deg, currentColor, rgba(255,255,255,0.8));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { opacity: 1; }
  50% { opacity: 0.8; }
  100% { opacity: 1; }
}

.metric-label {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 0;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.metric-icon {
  font-size: 3rem;
  opacity: 0.8;
  margin-right: 15px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Contenedores de gráficas mejorados */
.chart-container {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  padding: 20px;
  margin-bottom: 20px;
  border: 2px solid #f8f9fa;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.chart-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s;
}

.chart-container:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.chart-container:hover::before {
  left: 100%;
}

.chart-title {
  color: #2c3e50;
  font-weight: 600;
  margin-bottom: 20px;
  text-align: center;
  font-size: 1.1rem;
  position: relative;
  padding-bottom: 10px;
}

.chart-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, #667eea, #764ba2);
  border-radius: 2px;
}

.chart-title i {
  margin-right: 8px;
  color: #667eea;
}

/* Loading spinner mejorado */
.loading-spinner {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 300px;
  flex-direction: column;
}

.spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #667eea;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  position: relative;
}

.spinner::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 4px solid transparent;
  border-top: 4px solid #764ba2;
  border-radius: 50%;
  animation: spin 2s linear infinite reverse;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Métricas de productividad */
.productivity-metric {
  text-align: center;
  padding: 15px;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  border-radius: var(--border-radius-small);
  transition: var(--transition);
}

.productivity-metric:hover {
  background: linear-gradient(135deg, #e9ecef, #dee2e6);
  transform: scale(1.02);
}

.productivity-value {
  font-size: 1.8rem;
  font-weight: bold;
  color: #2980b9;
  margin-bottom: 5px;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.productivity-label {
  font-size: 0.85rem;
  color: #7f8c8d;
  margin-top: 5px;
  font-weight: 500;
}

/* Barras de progreso personalizadas */
.progress-bar-custom {
  height: 8px;
  border-radius: 4px;
  background: #ecf0f1;
  margin-top: 10px;
  overflow: hidden;
  position: relative;
}

.progress-bar-custom::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: progressShimmer 2s infinite;
}

@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
  position: relative;
}

/* Alertas y métricas especiales */
.alert-metric {
  background: linear-gradient(135deg, #ff6b6b, #ff8e88);
  color: white;
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 10px;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.alert-metric:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-medium);
}

.alert-metric i {
  margin-right: 8px;
  animation: blink 2s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.5; }
}

/* Notificaciones del dashboard */
.dashboard-notification {
  background: linear-gradient(135deg, #fff3cd, #ffeaa7);
  border: 1px solid #ffeaa7;
  border-radius: var(--border-radius-small);
  padding: 10px 15px;
  margin-bottom: 15px;
  color: #856404;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.dashboard-notification::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #667eea, #764ba2);
}

.dashboard-notification:hover {
  background: linear-gradient(135deg, #ffeaa7, #fdcb6e);
  transform: translateX(5px);
}

.dashboard-notification i {
  margin-right: 8px;
  color: #667eea;
}

/* Efectos para gráficas de Chart.js */
.chart-container canvas {
  transition: var(--transition);
}

.chart-container:hover canvas {
  filter: brightness(1.05);
}

/* Responsive design */
@media (max-width: 768px) {
  .metric-value {
    font-size: 1.8rem;
  }
  
  .metric-icon {
    font-size: 2rem;
    margin-right: 10px;
  }
  
  .chart-container {
    padding: 15px;
  }
  
  .productivity-metric {
    padding: 10px;
  }
}

@media (max-width: 576px) {
  .dashboard-card .panel-body {
    padding: 15px !important;
  }
  
  .metric-value {
    font-size: 1.5rem;
  }
  
  .metric-label {
    font-size: 0.8rem;
  }
  
  .chart-title {
    font-size: 1rem;
  }
}

/* Animaciones de entrada para elementos */
.fadeInUp {
  animation: fadeInUp 0.6s ease-out;
}

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

.fadeInLeft {
  animation: fadeInLeft 0.6s ease-out;
}

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

/* Tema oscuro (opcional) */
@media (prefers-color-scheme: dark) {
  .chart-container {
    background: #2c3e50;
    color: #ecf0f1;
    border-color: #34495e;
  }
  
  .chart-title {
    color: #ecf0f1;
  }
  
  .productivity-metric {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    color: #ecf0f1;
  }
  
  .dashboard-notification {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    color: #ecf0f1;
    border-color: #34495e;
  }
}

/* Mejoras de accesibilidad */
.dashboard-card:focus,
.chart-container:focus {
  outline: 3px solid #667eea;
  outline-offset: 2px;
}

.metric-value:focus,
.productivity-value:focus {
  outline: 2px solid #667eea;
  outline-offset: 1px;
}

/* Efectos adicionales para interactividad */
.chart-container {
  cursor: pointer;
}

.dashboard-card {
  cursor: pointer;
}

.dashboard-card:active {
  transform: translateY(-3px) scale(0.98);
}

.chart-container:active {
  transform: translateY(0) scale(0.98);
}