/* ============================================================
   TIMELINE PAGE — Partnership Timeline Styles
   ============================================================ */

/* Page hero */
.timeline-hero {
  padding: clamp(var(--space-10), 6vw, var(--space-16)) 0 clamp(var(--space-6), 3vw, var(--space-10));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.timeline-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, color-mix(in srgb, var(--color-primary) 8%, transparent), transparent),
    radial-gradient(ellipse 40% 60% at 20% 20%, color-mix(in srgb, var(--color-gold) 5%, transparent), transparent);
  pointer-events: none;
}

.timeline-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-3);
  position: relative;
}

.timeline-hero__title span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.timeline-hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
  position: relative;
}

/* Toolbar / Filters */
.timeline-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.timeline-toolbar .filter-select {
  min-width: 180px;
}

.timeline-toolbar__count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

/* Timeline Container */
.timeline-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  overflow-x: auto;
  margin-bottom: var(--space-6);
  position: relative;
}

.timeline-chart {
  min-width: 700px;
  position: relative;
}

/* SVG Timeline Styles */
.timeline-axis-line {
  stroke: var(--color-divider);
  stroke-width: 1;
}

.timeline-axis-label {
  fill: var(--color-text-faint);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
}

.timeline-grid-line {
  stroke: var(--color-divider);
  stroke-width: 0.5;
  stroke-dasharray: 3 3;
}

.timeline-bar {
  rx: 4;
  ry: 4;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.timeline-bar:hover {
  opacity: 0.85;
  filter: brightness(1.15);
}

.timeline-bar--ended {
  opacity: 0.5;
}

.timeline-bar--active {
  filter: drop-shadow(0 0 6px rgba(204, 24, 29, 0.3));
}

.timeline-bar-label {
  fill: var(--color-text);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  pointer-events: none;
}

.timeline-now-line {
  stroke: var(--color-gold);
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
}

.timeline-now-label {
  fill: var(--color-gold);
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
}

/* Timeline Tooltip */
.timeline-tooltip {
  position: fixed;
  pointer-events: none;
  z-index: 150;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  opacity: 0;
  transition: opacity 0.15s ease;
  max-width: 280px;
}

.timeline-tooltip.visible {
  opacity: 1;
}

.timeline-tooltip__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.timeline-tooltip__brand {
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-sm);
}

.timeline-tooltip__role {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  margin-bottom: var(--space-2);
}

.timeline-tooltip__dates {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.timeline-tooltip__status {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-top: var(--space-2);
}

.timeline-tooltip__status--active {
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  color: var(--color-primary);
}

.timeline-tooltip__status--ended {
  background: color-mix(in srgb, var(--color-error) 15%, transparent);
  color: var(--color-error);
}

/* Summary Stats */
.timeline-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.timeline-stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
}

.timeline-stat-card__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-1);
}

.timeline-stat-card__value--gold {
  color: var(--color-gold);
}

.timeline-stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.timeline-stat-card__detail {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* Brand Color Legend */
.timeline-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  margin-bottom: var(--space-4);
}

.timeline-legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive);
}

.timeline-legend__item:hover {
  background: var(--color-surface-dynamic);
}

.timeline-legend__swatch {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

/* Mobile: vertical timeline */
@media (max-width: 768px) {
  .timeline-container {
    padding: var(--space-4);
  }

  .timeline-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .timeline-toolbar__count {
    margin-left: 0;
    text-align: center;
  }

  .timeline-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Vertical timeline for mobile */
  .timeline-chart {
    min-width: 0;
  }

  .timeline-mobile-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .timeline-mobile-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface-offset);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
  }

  .timeline-mobile-item--ended {
    border-left-color: var(--color-error);
    opacity: 0.75;
  }

  .timeline-mobile-item__dates {
    flex-shrink: 0;
    width: 70px;
    font-size: var(--text-xs);
    color: var(--color-text-faint);
    font-variant-numeric: tabular-nums;
    padding-top: 2px;
  }

  .timeline-mobile-item__content {
    flex: 1;
    min-width: 0;
  }

  .timeline-mobile-item__name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--text-base);
  }

  .timeline-mobile-item__brand {
    font-size: var(--text-sm);
    color: var(--color-primary);
    font-weight: 600;
  }

  .timeline-mobile-item__role {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
  }
}

@media (max-width: 480px) {
  .timeline-stats {
    grid-template-columns: 1fr;
  }
}