/* ─── Depot track diagram ─── */

    .depot-section {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
    }
    .depot-hdr {
      padding: 0.75rem 1rem;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .depot-name {
      font-size: 0.875rem;
      font-weight: 800;
      color: var(--text);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .depot-meta {
      font-size: 0.6875rem;
      color: var(--muted);
      margin-top: 2px;
    }
    .depot-stats {
      display: flex;
      gap: 1.25rem;
    }
    .depot-stat {
      text-align: right;
    }
    .depot-stat-val {
      font-size: 1rem;
      font-weight: 800;
      font-family: 'JetBrains Mono', monospace;
      color: var(--text);
    }
    .depot-stat-lbl {
      font-size: 0.6rem;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    /* Track canvas */
    .track-canvas {
      padding: 1rem 1.25rem 1.5rem;
      overflow-x: auto;
      background: #F8FAFC;
    }
    .track-row {
      display: flex;
      align-items: center;
      gap: 0;
      margin-bottom: 10px;
      min-height: 52px;
    }
    .track-row:last-child { margin-bottom: 0; }
    .track-label {
      width: 64px;
      flex-shrink: 0;
      font-size: 0.625rem;
      font-weight: 700;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      text-align: right;
      padding-right: 10px;
      line-height: 1.3;
    }
    .track-label span {
      display: block;
      font-size: 0.5625rem;
      font-weight: 400;
      color: #94A3B8;
    }
    .track-rail {
      flex: 1;
      position: relative;
      min-width: 700px;
    }
    /* The two rail lines */
    .track-rail::before,
    .track-rail::after {
      content: '';
      position: absolute;
      left: 0; right: 0;
      height: 2px;
      background: #CBD5E1;
    }
    .track-rail::before { top: 9px; }
    .track-rail::after  { bottom: 9px; }
    .track-empty .track-rail::before,
    .track-empty .track-rail::after { background: #E2E8F0; }

    /* Consist (formation) on a track */
    .consist {
      display: flex;
      align-items: center;
      gap: 2px;
      padding: 8px 0;
      position: relative;
      z-index: 1;
    }
    .consist-spacer {
      flex: 1;
    }

    /* Individual car unit */
    .car {
      height: 36px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.5rem;
      font-weight: 700;
      font-family: 'JetBrains Mono', monospace;
      cursor: pointer;
      transition: all 0.15s;
      position: relative;
      letter-spacing: 0;
      white-space: nowrap;
      border: 1.5px solid transparent;
      flex-shrink: 0;
    }
    .car:hover {
      transform: translateY(-3px);
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      z-index: 10;
    }
    .car-tooltip {
      display: none;
      position: absolute;
      bottom: calc(100% + 8px);
      left: 50%;
      transform: translateX(-50%);
      background: #1E293B;
      color: #fff;
      font-size: 0.625rem;
      font-weight: 500;
      padding: 5px 8px;
      border-radius: 5px;
      white-space: nowrap;
      z-index: 100;
      pointer-events: none;
      font-family: 'Inter', sans-serif;
    }
    .car-tooltip::after {
      content: '';
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      border: 4px solid transparent;
      border-top-color: #1E293B;
    }
    .car:hover .car-tooltip { display: block; }

    /* Locomotive — wider, pointed shape via border-radius */
    .loco {
      width: 56px;
      background: var(--kai-blue);
      color: #fff;
      border-color: #002266;
      border-radius: 4px 10px 10px 4px;
      font-size: 0.5625rem;
    }
    .loco.loco-rear {
      border-radius: 10px 4px 4px 10px;
    }

    /* Passenger cars */
    .car-k1 { width: 44px; background: #EFF6FF; color: #1D4ED8; border-color: #BFDBFE; }
    .car-k2 { width: 44px; background: #F0FDF4; color: #15803D; border-color: #BBF7D0; }
    .car-k3 { width: 44px; background: #FFF7ED; color: #C2410C; border-color: #FED7AA; }
    .car-mp  { width: 40px; background: #FAF5FF; color: #7C3AED; border-color: #DDD6FE; }   /* Makan/Power */
    .car-bg  { width: 40px; background: #F8FAFC; color: #475569; border-color: #E2E8F0; }   /* Bagasi/Gerbong */
    .car-gg  { width: 48px; background: #FFF8F0; color: #92400E; border-color: #FDE68A; }   /* Gerbong barang */
    .car-kk  { width: 44px; background: #F0F9FF; color: #0369A1; border-color: #BAE6FD; }   /* Kereta Makan */

    /* Status overlay via border color */
    .car.s-pm    { border-color: #F59E0B; background-color: #FFFBEB; }
    .car.loco.s-pm { background: #D97706; border-color: #B45309; color: #fff; }
    .car.s-defect { border-color: #EF4444; background-color: #FEF2F2; }
    .car.loco.s-defect { background: #DC2626; border-color: #B91C1C; color: #fff; }
    .car.s-ready  { border-color: #10B981; }

    /* Status dot on car */
    .car-dot {
      position: absolute;
      top: 3px;
      right: 3px;
      width: 5px;
      height: 5px;
      border-radius: 50%;
    }
    .dot-pm     { background: #F59E0B; }
    .dot-defect { background: #EF4444; }
    .dot-ready  { background: #10B981; }
    .dot-idle   { background: #94A3B8; }

    /* Track divider line between consist groups */
    .track-divider {
      width: 1px;
      height: 36px;
      background: #CBD5E1;
      margin: 0 6px;
    }

    /* Empty track */
    .track-empty-label {
      padding: 8px 16px;
      font-size: 0.6875rem;
      color: #94A3B8;
      font-style: italic;
    }

    /* Legend */
    .legend {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      align-items: center;
      padding: 0.625rem 1rem;
      border-top: 1px solid var(--border);
      background: var(--card);
    }
    .legend-group {
      display: flex;
      gap: 0.5rem;
      align-items: center;
      flex-wrap: wrap;
    }
    .legend-title {
      font-size: 0.625rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--muted);
      font-weight: 700;
      margin-right: 0.25rem;
    }
    .legend-item {
      display: flex;
      align-items: center;
      gap: 0.3rem;
      font-size: 0.6875rem;
      color: var(--text);
    }
    .legend-box {
      width: 20px;
      height: 12px;
      border-radius: 2px;
      border: 1.5px solid transparent;
    }
    .sep-v { width: 1px; height: 14px; background: var(--border); }

    /* Detail drawer */
    .drawer {
      position: fixed;
      top: 0; right: -420px;
      width: 420px;
      height: 100vh;
      background: var(--card);
      border-left: 1px solid var(--border);
      z-index: 200;
      transition: right 0.25s ease;
      display: flex;
      flex-direction: column;
      box-shadow: -4px 0 24px rgba(0,0,0,0.08);
    }
    .drawer.open { right: 0; }
    .drawer-hdr {
      padding: 1rem;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      flex-shrink: 0;
    }
    .drawer-close {
      background: none;
      border: none;
      color: var(--muted);
      cursor: pointer;
      font-size: 1rem;
      padding: 0;
    }
    .drawer-close:hover { color: var(--text); }
    .drawer-body { flex: 1; overflow-y: auto; padding: 1rem; }
    .drawer-section { margin-bottom: 1.25rem; }
    .drawer-sec-title {
      font-size: 0.6875rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--muted);
      margin-bottom: 0.5rem;
    }
    .spec-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.5rem;
    }
    .spec-item {
      background: var(--card2);
      border: 1px solid var(--border);
      border-radius: 7px;
      padding: 0.5rem 0.625rem;
    }
    .spec-label {
      font-size: 0.5625rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--muted);
    }
    .spec-value {
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--text);
      font-family: 'JetBrains Mono', monospace;
    }
    .history-item {
      display: flex;
      gap: 0.625rem;
      padding: 0.5rem 0;
      border-bottom: 1px solid rgba(0,0,0,0.04);
      font-size: 0.75rem;
    }
    .history-item:last-child { border-bottom: none; }
    .history-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      flex-shrink: 0;
      margin-top: 3px;
    }
    .pm-bar-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; }
    .pm-bar-label { font-size: 0.6875rem; color: var(--muted); width: 24px; flex-shrink: 0; }
    .pm-bar-bg { flex: 1; height: 8px; background: rgba(0,0,0,0.06); border-radius: 4px; overflow: hidden; }
    .pm-bar-fill { height: 100%; border-radius: 4px; transition: width 0.4s; }
    .pm-bar-val { font-size: 0.625rem; font-weight: 700; font-family: 'JetBrains Mono', monospace; color: var(--text); min-width: 36px; text-align: right; }
    .drawer-footer {
      padding: 0.75rem 1rem;
      border-top: 1px solid var(--border);
      display: flex;
      gap: 0.5rem;
      flex-shrink: 0;
    }

    /* Overlay */
    .overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.15);
      z-index: 190;
    }
    .overlay.show { display: block; }

    /* Dipo selector tabs */
    .dipo-tabs {
      display: flex;
      gap: 0.375rem;
    }
    .dipo-tab {
      padding: 0.3rem 0.875rem;
      border-radius: 6px;
      font-size: 0.75rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid var(--border);
      background: var(--card);
      color: var(--muted);
      transition: all 0.15s;
    }
    .dipo-tab:hover { border-color: var(--kai-blue); color: var(--kai-blue); }
    .dipo-tab.active { background: var(--kai-blue); color: #fff; border-color: var(--kai-blue); }

    /* Capacity bar at top */
    .cap-bar-wrap {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
    .cap-bar-bg {
      flex: 1;
      height: 6px;
      background: rgba(0,0,0,0.06);
      border-radius: 3px;
      overflow: hidden;
    }
    .cap-bar-fill {
      height: 100%;
      border-radius: 3px;
      background: var(--kai-blue);
    }