/* =========================
   MVP Specialized Components
   Specific to MITEc Visualizer
   ========================= */

/* === TRIP SELECTOR COMPONENT === */
.trip-selector {
  display: flex;
  gap: var(--space-4);
  align-items: flex-end;
  padding: var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
}

.trip-selector__field {
  flex: 1;
  min-width: 200px;
}

.trip-selector__label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.trip-selector__button {
  flex-shrink: 0;
  min-width: 120px;
}

/* === QUICK FILTERS === */
.quick-filters {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.quick-filter {
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  font-size: 12.6px;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-filter:hover {
  background-color: var(--color-surface-hover);
}

.quick-filter--active,
.chart-type-filter--active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* Chart type filters special styling */
.chart-type-filter {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-width: 100px;
  padding: var(--space-1) var(--space-2);
  justify-content: flex-start;
  white-space: nowrap;
}

/* Chart type filter colors when active */
.chart-type-filter[data-chart-type="voltage"].chart-type-filter--active {
  background-color: var(--color-voltage);
  border-color: var(--color-voltage);
  color: var(--color-text-inverse);
}

.chart-type-filter[data-chart-type="current"].chart-type-filter--active {
  background-color: var(--color-current);
  border-color: var(--color-current);
  color: var(--color-text-inverse);
}

.chart-type-filter[data-chart-type="power"].chart-type-filter--active {
  background-color: var(--color-power);
  border-color: var(--color-power);
  color: var(--color-text-inverse);
}

.chart-type-filter[data-chart-type="millivolts"].chart-type-filter--active {
  background-color: var(--color-millivolts);
  border-color: var(--color-millivolts);
  color: var(--color-text-inverse);
}

/* Chart type filters container */
#chart-type-filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Trip selection filters container */
.trip-selection-filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

select.trip-selector {
  min-width: 200px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  padding: var(--space-1) var(--space-2);
  font-size: 12.6px;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  height: auto;
  line-height: normal;
  vertical-align: baseline;
  margin: 0;
}

select.trip-selector:hover {
  background-color: var(--color-surface-hover);
}

/* Trip selector options styling */
.trip-selector option {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}

.trip-selector option:first-child {
  color: var(--color-text-secondary);
}

/* Analyze filters container */
.analyze-filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.analyze-button {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.analyze-button:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

/* View mode filters container */
.view-mode-filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* === CHART TABS === */
.chart-tabs {
  display: flex;
  gap: var(--space-1);
  background-color: var(--color-surface-hover);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.chart-tab {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: none;
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.chart-tab:hover {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}

.chart-tab--active {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

/* Chart tab colors */
.chart-tab--voltage { border-left: 3px solid var(--color-voltage); }
.chart-tab--current { border-left: 3px solid var(--color-current); }
.chart-tab--power { border-left: 3px solid var(--color-power); }
.chart-tab--millivolts { border-left: 3px solid var(--color-millivolts); }

/* === CHART CONTAINER === */
.chart-container {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-6);
  min-height: 480px;
  position: relative;
  margin-left: calc(-1 * var(--space-6));
  margin-right: calc(-1 * var(--space-6));
}

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

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

.chart-container__controls {
  display: flex;
  gap: var(--space-2);
}

.chart-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 430px;
  background-color: var(--color-surface-hover);
  border-radius: var(--radius-md);
  border: 2px dashed var(--color-border);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-base);
}

/* === STATISTICS CARDS === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-4);
  max-width: 800px;
}

.stat-card {
  background-color: var(--color-surface);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--color-primary);
  text-align: center;
}

.stat-card__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.stat-card__value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.stat-card__unit {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-regular);
}

.stat-card__change {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.stat-card__change--positive {
  color: var(--color-success);
}

.stat-card__change--negative {
  color: var(--color-error);
}

/* Stat card color variants */
.stat-card--voltage { border-left-color: var(--color-voltage); }
.stat-card--current { border-left-color: var(--color-current); }
.stat-card--power { border-left-color: var(--color-power); }
.stat-card--millivolts { border-left-color: var(--color-millivolts); }

/* === LOADING STATE === */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  z-index: 10;
}

.loading-text {
  margin-top: var(--space-4);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--color-text-tertiary);
}

.empty-state__icon {
  font-size: 48px;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

.empty-state__description {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-4);
}

/* === CHART DRAGGING FUNCTIONALITY === */
.chart-container svg {
  cursor: grab;
}

.chart-container svg:active {
  cursor: grabbing;
}

.chart-container svg[data-dragging="true"] {
  cursor: grabbing;
  user-select: none;
}

/* Tooltip removed - no longer needed */

/* === RESPONSIVE BEHAVIOR === */
@media (max-width: 768px) {
  .trip-selector {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .trip-selector__field {
    min-width: 100%;
  }
  
  .chart-tabs {
    flex-wrap: wrap;
  }
  
  .chart-tab {
    min-width: calc(50% - var(--space-1));
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* Force-remove any hover hint on chart container */
.chart-container::after,
.chart-container:hover::after {
  content: none !important;
  display: none !important;
  opacity: 0 !important;
  width: 0 !important;
  height: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
}

/* === DATE RANGE PICKER MODAL === */
.date-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.date-modal.hidden {
  display: none;
}

.date-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.date-modal-content {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 400px;
  max-width: 90vw;
}

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

.date-modal-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.date-modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.date-modal-close:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.date-modal-body {
  padding: var(--space-4);
}

.date-range-inputs {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.date-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.date-input-group label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.date-input-group input[type="date"] {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.date-input-group input[type="date"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.date-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

.date-modal-actions .quick-filter {
  min-width: 80px;
}

/* === CHART HEADER AND NAVIGATION === */
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0 var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.chart-title h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.chart-period {
  display: inline-block;
  margin-left: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-surface-hover);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.chart-navigation {
  display: flex;
  gap: var(--space-1);
}

.chart-nav-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
  transition: all var(--transition-fast);
}

.chart-nav-btn:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.chart-nav-btn:active {
  transform: translateY(1px);
}

.chart-nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.chart-nav-btn:disabled:hover {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}