/* SERP results timeline chart */
.sk-serp-timeline {
  margin: 1rem 0 1.25rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--sk-border, #e2e8f0);
  border-radius: 10px;
  background: var(--sk-surface, #fff);
}

.sk-serp-timeline__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.sk-serp-timeline__refine {
  display: flex;
  flex: 1 1 220px;
  gap: 0.5rem;
  min-width: 0;
}

.sk-serp-timeline__refine-input {
  flex: 1;
  min-width: 120px;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--sk-border, #cbd5e1);
  border-radius: 6px;
  font-size: 0.9rem;
}

.sk-serp-timeline__refine-btn {
  white-space: nowrap;
  padding: 0.45rem 0.85rem;
  border: none;
  border-radius: 6px;
  background: var(--sk-primary, #2563eb);
  color: #fff;
  font-size: 0.875rem;
  cursor: pointer;
}

.sk-serp-timeline__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.sk-serp-timeline__select {
  max-width: 200px;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--sk-border, #cbd5e1);
  border-radius: 6px;
  font-size: 0.85rem;
  background: var(--sk-surface, #fff);
}

.sk-serp-timeline__zoom {
  display: inline-flex;
  border: 1px solid var(--sk-border, #cbd5e1);
  border-radius: 6px;
  overflow: hidden;
}

.sk-serp-timeline__zoom-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  border: 0;
  border-right: 1px solid var(--sk-border, #cbd5e1);
  background: transparent;
  font-size: 0.95rem;
  color: var(--sk-text, #1e293b);
  cursor: pointer;
}

.sk-serp-timeline__zoom-btn:last-child {
  border-right: 0;
}

.sk-serp-timeline__zoom-btn:hover,
.sk-serp-timeline__zoom-btn:focus-visible {
  background: var(--sk-surface-muted, #f1f5f9);
}

.sk-serp-timeline__reset {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--sk-border, #cbd5e1);
  border-radius: 6px;
  background: transparent;
  font-size: 0.85rem;
  cursor: pointer;
}

.sk-serp-timeline__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-bottom: 0.65rem;
  font-size: 0.8rem;
  color: var(--sk-text-muted, #64748b);
}

.sk-serp-timeline-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.sk-serp-timeline-legend__swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

.sk-serp-timeline-legend__swatch--line {
  width: 14px;
  height: 3px;
  border-radius: 2px;
  background: #2563eb;
}

.sk-serp-timeline__chart-wrap {
  position: relative;
  min-height: 220px;
  overflow: visible;
}

[data-sk-timeline-chart] {
  cursor: crosshair;
  min-height: 280px;
}

.sk-timeline-tip {
  position: absolute;
  z-index: 5;
  max-width: 220px;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--sk-border, #cbd5e1);
  background: var(--sk-surface, #fff);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--sk-text, #1e293b);
  pointer-events: none;
}

.sk-timeline-tip[hidden] {
  display: none !important;
}

.sk-timeline-tip strong {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.2rem;
}

.sk-timeline-tip span {
  display: block;
  color: var(--sk-text-muted, #64748b);
}

.sk-timeline-tip span i {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  margin-right: 0.35rem;
  vertical-align: middle;
}

.sk-timeline-tip em {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  color: var(--sk-primary, #2563eb);
  font-style: normal;
}

.sk-timeline-col-hit {
  fill: transparent;
  cursor: pointer;
}

.sk-timeline-col.is-hovered .sk-timeline-col-seg {
  opacity: 0.92;
  filter: brightness(1.08);
  stroke: rgba(15, 23, 42, 0.15);
  stroke-width: 1;
}

.sk-timeline-col.is-hovered .sk-timeline-col-hit {
  fill: rgba(37, 99, 235, 0.06);
}

.sk-timeline-total-line {
  stroke: #2563eb;
  stroke-width: 2.5;
}

.sk-timeline-total-dot {
  fill: #2563eb;
  stroke: #fff;
  stroke-width: 1.5;
}

.sk-timeline-zoom-sel {
  fill: rgba(37, 99, 235, 0.15);
  stroke: #2563eb;
  stroke-width: 1.5;
  pointer-events: none;
}

.sk-serp-timeline__hint {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  color: var(--sk-text-muted, #64748b);
}

.sk-serp-timeline--loading .sk-serp-timeline__chart-wrap {
  min-height: 240px;
}

.sk-serp-timeline__loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem 1rem;
  text-align: center;
  color: var(--sk-text-muted, #64748b);
  font-size: 0.9rem;
  background: var(--sk-surface, #fff);
  border-radius: 8px;
  z-index: 1;
}

.sk-serp-timeline__loading[hidden] {
  display: none;
}

.sk-serp-timeline__spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--sk-border, #e2e8f0);
  border-top-color: var(--sk-primary, #2563eb);
  border-radius: 50%;
  animation: sk-serp-timeline-spin 0.75s linear infinite;
}

.sk-serp-timeline__loading-text {
  font-weight: 500;
}

@keyframes sk-serp-timeline-spin {
  to { transform: rotate(360deg); }
}

.sk-serp-timeline--loading .sk-serp-timeline__legend {
  display: none;
}

.sk-timeline-grid {
  stroke: var(--sk-border, #e2e8f0);
  stroke-width: 1;
}

.sk-timeline-y-label,
.sk-timeline-x-label {
  fill: var(--sk-text-muted, #64748b);
  font-size: 10px;
}

[data-sk-theme="dark"] .sk-serp-timeline,
.sk-theme-body[data-sk-theme="dark"] .sk-serp-timeline {
  background: var(--sk-surface, #1e293b);
  border-color: #334155;
}

[data-sk-theme="dark"] .sk-serp-timeline__refine-input,
[data-sk-theme="dark"] .sk-serp-timeline__select {
  background: #0f172a;
  border-color: #475569;
  color: #e2e8f0;
}

[data-sk-theme="dark"] .sk-serp-timeline__loading,
.sk-theme-body[data-sk-theme="dark"] .sk-serp-timeline__loading {
  background: var(--sk-surface, #1e293b);
}

[data-sk-theme="dark"] .sk-timeline-tip,
.sk-theme-body[data-sk-theme="dark"] .sk-timeline-tip {
  background: #1e293b;
  border-color: #475569;
  color: #e2e8f0;
}

@media (max-width: 640px) {
  .sk-serp-timeline__toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .sk-serp-timeline__select {
    max-width: none;
    width: 100%;
  }
}