/* ===================================
   WAULT - TRENDS PAGE STYLES
   Graficos de tendencias
   =================================== */

/* === PAGE CONTAINER === */
.trends-page {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
  padding: var(--spacing-6);
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* === PAGE HEADER === */
.trends-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.trends-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.trends-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-1);
}

.trends-period-selector {
  display: flex;
  gap: var(--spacing-2);
}

/* === CHART CARDS === */
.trends-charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-5);
}

.trends-chart-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.trends-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
}

.trends-chart-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.trends-chart-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-1);
}

.trends-chart-legend {
  display: flex;
  gap: var(--spacing-4);
}

.trends-legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.trends-legend-color {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-sm);
}

.trends-legend-color.income {
  background: var(--color-income);
}

.trends-legend-color.expense {
  background: var(--color-expense);
}

.trends-legend-color.savings {
  background: var(--color-primary);
}

/* === CHART CONTAINER === */
.trends-chart-container {
  position: relative;
  height: 300px;
}

.trends-chart-canvas {
  width: 100%;
  height: 100%;
}

/* === INSIGHTS SECTION === */
.trends-insights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-4);
}

.trends-insight-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.trends-insight-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-3);
}

.trends-insight-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.trends-insight-icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

.trends-insight-icon.up {
  background: var(--color-income-bg);
  color: var(--color-income);
}

.trends-insight-icon.down {
  background: var(--color-expense-bg);
  color: var(--color-expense);
}

.trends-insight-icon.neutral {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.trends-insight-icon.income {
  background: var(--color-income-bg);
  color: var(--color-income);
}

.trends-insight-icon.expense {
  background: var(--color-expense-bg);
  color: var(--color-expense);
}

.trends-insight-icon.savings {
  background: var(--color-info-light);
  color: var(--color-info);
}

.trends-insight-icon.average {
  background: rgba(139, 92, 246, 0.1);
  color: #8b5cf6;
}

.trends-insight-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.trends-insight-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.trends-insight-change {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-2);
}

.trends-insight-change.positive {
  color: var(--color-income);
}

.trends-insight-change.negative {
  color: var(--color-expense);
}

/* === CATEGORY TRENDS === */
.trends-categories {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.trends-categories-header {
  margin-bottom: var(--spacing-4);
}

.trends-categories-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.trends-categories-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.trends-category-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-3);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}

.trends-category-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trends-category-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.trends-category-info {
  flex: 1;
  min-width: 0;
}

.trends-category-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.trends-category-bar {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  margin-top: var(--spacing-2);
  overflow: hidden;
}

.trends-category-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.5s ease-out;
}

.trends-category-values {
  text-align: right;
  flex-shrink: 0;
}

.trends-category-amount {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.trends-category-change {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-1);
}

.trends-category-change.up {
  color: var(--color-expense);
}

.trends-category-change.down {
  color: var(--color-income);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .trends-insights {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .trends-page {
    padding: var(--spacing-4);
  }

  .trends-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .trends-period-selector {
    width: 100%;
  }

  .trends-period-selector .btn {
    flex: 1;
    text-align: center;
    justify-content: center;
  }

  .trends-insights {
    grid-template-columns: 1fr;
  }

  .trends-chart-container {
    height: 250px;
  }

  .trends-chart-legend {
    flex-wrap: wrap;
    gap: var(--spacing-2);
  }
}