/* ================================================================
   GRAFIK GILLETTE - SMART-POPUP.CSS
   Timeline widget for relief handoff visualization in info-panel
   Matches mockup U4 (Flow передачі зміни)
   Part of modular CSS split (v3.9.0+)
   ================================================================ */

/* === Timeline Widget Container === */
.timeline-widget {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 4px;
  flex-wrap: wrap;
}

/* === Timeline Node (brigade or OT block) === */
.tl-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  padding: 6px 8px;
  border-radius: 8px;
  color: #fff;
  text-align: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s;
}

.tl-node:hover {
  transform: translateY(-1px);
}

/* Node types by shift color */
.tl-node.tl-shift-R {
  background: linear-gradient(135deg, var(--color-R), var(--color-R-border));
  border: 1px solid var(--color-R-border);
}

.tl-node.tl-shift-P {
  background: linear-gradient(135deg, var(--color-P), var(--color-P-border));
  border: 1px solid var(--color-P-border);
}

.tl-node.tl-shift-N {
  background: linear-gradient(135deg, var(--color-N), var(--color-N-border));
  border: 1px solid var(--color-N-border);
}

/* Self node (current day, slightly larger + highlight border) */
.tl-node.tl-self {
  min-width: 54px;
  padding: 7px 10px;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

/* OT node (red gradient by default / rate variants) */
.tl-node.tl-ot {
  background: linear-gradient(135deg, #c0392b, #922b21);
  border: 1px solid #922b21;
}

.tl-node.tl-ot-50 {
  background: linear-gradient(135deg, #95a5a6, #7f8c8d);
  border: 1px solid #7f8c8d;
}

.tl-node.tl-ot-100 {
  background: linear-gradient(135deg, #8e44ad, #6c3483);
  border: 1px solid #6c3483;
}

/* Empty node (no prev/next) */
.tl-node.tl-empty {
  background: linear-gradient(135deg, #7f8c8d, #576269);
  border: 1px solid #576269;
  opacity: 0.6;
}

/* === Node Content === */
.tl-brig {
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.tl-icon {
  font-size: 12px;
  margin-top: 2px;
  line-height: 1;
}

.tl-label {
  font-size: 9px;
  opacity: 0.9;
  margin-top: 2px;
  white-space: nowrap;
  font-weight: 500;
}

.tl-value {
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

/* === Flow Arrow === */
.tl-arrow {
  font-size: 16px;
  color: var(--accent);
  font-weight: 700;
  opacity: 0.7;
  flex-shrink: 0;
  animation: tl-arrow-pulse 2s ease-in-out infinite;
}

@keyframes tl-arrow-pulse {
  0%,
  100% {
    opacity: 0.5;
    transform: translateX(0);
  }
  50% {
    opacity: 1;
    transform: translateX(2px);
  }
}

/* === Widget Title (optional) === */
.timeline-widget-title {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* === Responsive: Mobile === */
@media (max-width: 480px) {
  .timeline-widget {
    gap: 4px;
    padding: 6px 2px;
  }

  .tl-node {
    min-width: 40px;
    padding: 5px 6px;
  }

  .tl-node.tl-self {
    min-width: 46px;
    padding: 6px 8px;
  }

  .tl-brig {
    font-size: 15px;
  }

  .tl-icon {
    font-size: 10px;
  }

  .tl-label {
    font-size: 8px;
  }

  .tl-value {
    font-size: 12px;
  }

  .tl-arrow {
    font-size: 13px;
  }
}

@media (max-width: 380px) {
  .timeline-widget {
    gap: 3px;
  }

  .tl-node {
    min-width: 36px;
    padding: 4px 5px;
  }

  .tl-brig {
    font-size: 13px;
  }

  .tl-arrow {
    font-size: 11px;
  }
}

/* === Free / day-off node === */
.tl-node.tl-free {
  background: linear-gradient(135deg, #10b981, #059669);
  border: 1px solid #059669;
}

/* === Segment tabs: Handoff | Cycle === */
.flow-segment-tabs {
  display: flex;
  gap: 6px;
  margin: 6px 0 10px;
  flex-wrap: wrap;
}

.flow-seg-btn {
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-cell, #363b4d);
  background: var(--panel-2, rgba(255, 255, 255, 0.04));
  color: var(--text-muted, #8b92a5);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.flow-seg-btn.active {
  background: var(--accent, #ff5722);
  border-color: var(--accent, #ff5722);
  color: #fff;
}

.flow-seg-btn:hover:not(.active) {
  border-color: var(--accent, #ff5722);
  color: var(--text, #e8eaf0);
}

.flow-segment-card .flow-seg-panel {
  min-height: 48px;
}