/* M³GIM Mobilitäts-Atlas — Karte + Zeitstrahl + Detailpanel */

#tab-mobilitaets-atlas {
  padding: var(--space-4) var(--space-6);
}

.atlas-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color-light);
}

.atlas-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: var(--weight-semibold);
  font-size: var(--text-2xl);
  color: var(--color-text-primary);
  letter-spacing: 0.01em;
}

.atlas-subtitle {
  flex: 1 1 auto;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.atlas-badges {
  display: inline-flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.atlas-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
  border: 1px solid transparent;
}

.atlas-badge--ok {
  background: var(--color-signal-green-light);
  color: var(--color-signal-green);
  border-color: #cde5d6;
}

.atlas-badge--warn {
  background: #f3eadd;
  color: #8b6a3a;
  border-color: #e4d5bb;
}

.atlas-badge--clickable {
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}
.atlas-badge--clickable:hover {
  filter: brightness(0.97);
}

/* ------------------------------------------------------------------ */
/* Grid: Karte + Detailpanel, darunter Zeitstrahl volle Breite        */
/* ------------------------------------------------------------------ */

.atlas-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(280px, 1.6fr);
  grid-template-rows: minmax(420px, 60vh) auto;
  grid-template-areas:
    "map   panel"
    "time  panel";
  gap: var(--space-3);
  min-height: 500px;
}

.atlas-map {
  grid-area: map;
  background: var(--color-cream);
  border: 1px solid var(--border-color-light);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.atlas-timeline {
  grid-area: time;
  padding: var(--space-2) 0;
  border-top: 1px solid var(--border-color-light);
}

.atlas-panel {
  grid-area: panel;
  background: var(--color-paper);
  border: 1px solid var(--border-color-light);
  border-radius: var(--border-radius);
  padding: var(--space-4);
  overflow-y: auto;
  max-height: calc(60vh + 70px);
}

/* ------------------------------------------------------------------ */
/* Leaflet-Overrides im warmen Paper-Stil                              */
/* ------------------------------------------------------------------ */

.atlas-map .leaflet-container {
  background: var(--color-cream);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
}

.atlas-map .leaflet-control-attribution {
  background: rgba(250, 248, 245, 0.85);
  font-size: 10px;
}

.atlas-map .leaflet-popup-content-wrapper {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  background: var(--color-paper);
}

.atlas-map .leaflet-popup-content {
  margin: var(--space-3) var(--space-4);
  font-family: var(--font-ui);
}

.atlas-popup__title {
  font-family: var(--font-title);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}
.atlas-popup__meta {
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
}
.atlas-popup__qid {
  font-family: var(--font-mono);
  color: var(--color-text-tertiary);
  font-size: 11px;
  margin-top: 2px;
}
.atlas-popup__count {
  margin-top: 6px;
  font-size: var(--text-xs);
  color: var(--color-kug-blau);
}

/* ------------------------------------------------------------------ */
/* Detailpanel                                                         */
/* ------------------------------------------------------------------ */

.atlas-panel__heading {
  margin-bottom: var(--space-3);
}
.atlas-panel__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  margin-bottom: 2px;
}
.atlas-panel__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.atlas-panel__chips {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.atlas-panel__empty {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
  font-style: italic;
}

/* Atlas uses the same chip pattern as Archiv (chip--role-pair + chip--c-*).
   Chips stack vertically in the panel. */
.atlas-panel__chips .chip--role-pair {
  align-self: flex-start;
  max-width: 100%;
}

/* ------------------------------------------------------------------ */
/* Timeline                                                            */
/* ------------------------------------------------------------------ */

.atlas-timeline svg {
  display: block;
  width: 100%;
}

.atlas-timeline .atlas-brush .selection {
  fill: var(--color-kug-blau);
  fill-opacity: 0.08;
  stroke: var(--color-kug-blau);
  stroke-opacity: 0.5;
}
.atlas-timeline .atlas-brush .handle {
  fill: var(--color-kug-blau);
}

.atlas-timeline .domain {
  stroke: var(--color-text-tertiary);
}
.atlas-timeline .tick line {
  stroke: var(--color-text-tertiary);
  stroke-opacity: 0.4;
}
.atlas-timeline circle {
  cursor: pointer;
  transition: r var(--transition-fast), stroke var(--transition-fast);
}

/* Empty-State ------------------------------------------------------- */

.atlas-empty {
  padding: var(--space-8);
  background: var(--color-cream);
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius);
  color: var(--color-text-secondary);
  text-align: center;
}

/* Small screens ---------------------------------------------------- */

@media (max-width: 900px) {
  .atlas-grid {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(320px, 50vh) minmax(280px, auto) auto;
    grid-template-areas:
      "map"
      "panel"
      "time";
  }
  .atlas-panel { max-height: none; }
}