:root {
      --top-bar-height: 110px;
      --staff-col-width: 160px;
      --bg-color: #fafafa;
      --text-color: #1e293b;
      --header-bg: #f1f5f9;
    }

    body {
      margin: 0;
      font-family: Arial, sans-serif;
      padding-top: var(--top-bar-height);
      overflow: hidden;
      background: var(--bg-color);
      color: var(--text-color);
      transition: background 0.3s, color 0.3s;
    }

    body.dark {
      --bg-color: #1e293b;
      --text-color: #f1f5f9;
      --header-bg: #334155;
    }

    #date-picker {
      background-color: inherit; border:none;
      width: 150px;
    }
    #date-picker:focus {
      outline: 0px solid blue;
    }

    .top-bar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background: var(--bg-color);
      padding: 20px;
      display: flex;
      flex-direction: column;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
      z-index: 1000;
    }

    h2 {
      margin: 0 0 12px 0;
      font-weight: 600;
      user-select: none;
    }

    .controls-container {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }

    .search-bar {
      position: relative;
      flex-grow: 1;
      max-width: 220px;
    }

    .search-bar input {
      width: 100%;
      padding: 7px 28px 7px 10px;
      font-size: 14px;
      border: 1px solid #ccc;
      border-radius: 4px;
    }

    .clear-search-btn {
      position: absolute;
      right: 6px;
      top: 50%;
      transform: translateY(-50%);
      cursor: pointer;
      font-size: 18px;
      color: #999;
      user-select: none;
      display: none;
    }

    .zoom-controls {
      display: flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
    }

    #theme-toggle {
      cursor: pointer;
      font-size: 20px;
      user-select: none;
      border-radius: 6px;
      margin-left:40px; width:40px;
      box-shadow: rgba(50, 50, 93, 0.25) 0px 50px 100px -20px, rgba(0, 0, 0, 0.3) 0px 30px 60px -30px;
    }

    .hour-cell {
      text-align: center;
      line-height: 40px;
      font-family: monospace;
    }

    /* Dark mode overrides */
    body.dark .top-bar,
    body.dark .timeline-header,
    body.dark .staff-label,
    body.dark .zoom-controls,
    body.dark .search-bar input {
      background-color: #334155;
      color: #f1f5f9;
    }

    body.dark .search-bar input {
      border-color: #475569;
    }

    body.dark .event-bar {
      color: #fff;
    }

    body.dark #popup {
      background-color: #475569;
      color: #fff;
    }

  .zoom-controls input[type="range"] {
    width: 150px;
    cursor: pointer;
  }

  .zoom-value {
    min-width: 40px;
    text-align: right;
    font-weight: 600;
    color: #3b82f6;
  }

  /* Main timeline container */
#timeline-wrapper {
  position: fixed;
  top: var(--top-bar-height);
  bottom: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: var(--staff-col-width) 1fr;
  grid-template-rows: 40px 1fr;
  background: white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  user-select: none;
  /* margin-top: 20px;  <-- REMOVE THIS */
  overflow: auto;

  will-change: scroll-position;
}


  /* Top-left corner cell: "Team" label */
  #team-label {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    background: #f1f5f9;
    border-bottom: 1px solid #e2e8f0;
    border-right: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #64748b;
    font-size: 14px;
    position: sticky;
    top: 0;
    left: 0;
    z-index: 30;
    box-shadow: 2px 0 5px -2px rgba(0,0,0,0.1);
  }

  /* Staff labels container, scrollable vertically only */
  #staff-labels-container {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
    overflow: hidden;
    border-right: 1px solid #e2e8f0;
    background: #f9fafb;
    position: relative;
  }

  #staff-labels {
    display: flex;
    flex-direction: column;
  }

.staff-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 80px;
  width: 200px;
  padding: 0 12px;
  font-weight: 600;
  color: #334155;
  border-bottom: 1px solid #e2e8f0;
  overflow: hidden;
}


  /* Timeline header container - scrollable horizontally only */
  #timeline-header-container {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    overflow-x: auto;
    overflow-y: hidden;
    border-bottom: 1px solid #e2e8f0;
    background: #f1f5f9;
    position: relative;
    /* Hide vertical scrollbar */
    scrollbar-width: none; /* Firefox */
  }
  #timeline-header-container::-webkit-scrollbar {
    display: none; /* Chrome */
  }

  #timeline-header {
    display: grid;
    grid-template-columns: repeat(24, var(--hour-width));
    width: max-content;
    height: 40px;
    font-weight: 600;
    font-size: 13px;
    color: #64748b;
    user-select: none;
  }

  .hour-cell {
    border-right: 1px solid #e2e8f0;
    text-align: center;
    line-height: 40px;
    position: relative;
  }

  .hour-cell.current-hour {
    background-color: #bfdbfe;
    box-shadow: inset 0 -3px 4px -2px #2563eb;
    font-weight: 700;
    color: #1e40af;
  }

  /* Timeline main scroll container */
  #timeline-scroll-container {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    overflow: auto;
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
  }

  #timeline-scroll-container::-webkit-scrollbar {
    height: 10px;
    background: transparent;
  }
  #timeline-scroll-container::-webkit-scrollbar-thumb {
    background-color: #cbd5e1;
    border-radius: 5px;
  }

  .total-hours {
  font-size: 0.85em;
  color: #666;
  margin-top: 2px;
}


  /* Timeline rows container */
  #timeline-rows {
    width: max-content;
    position: relative;
    z-index: 1000; /* Ensure it's above the grid background */
  }

.timeline-row {
  /* Remove fixed height */
  min-height: 120px;
  padding: 10px 0;
  height: auto;
  position: relative;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: flex-start; /* Align events from the top */
}

.events-layer {
  position: relative;
  width: calc(24 * var(--hour-width, 60px));
  pointer-events: none;
  user-select: none;
  z-index: 10;
  display: block; /* Switch from flex to block to allow stacking */
  min-height: 40px;
}


  .event-bar {
    position: absolute;
    height: 35px;
    background-color: rgba(48, 51, 107,.8);
    color: #fff;
    font-size: 13px;
    padding: 0px 6px;
    border-radius: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 20px;
    top: 25px;
    cursor: pointer;
    pointer-events: auto;
    transition: background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 1px 3px rgba(59,130,246,0.6);
  }

  .event-bar:hover {
    background-color: #2563eb;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.7);
  }

  /* Vertical grid lines container */
  #vertical-grid-lines {
  display: grid;
  grid-template-columns: repeat(24, var(--hour-width, 60px));
  position: absolute;
  top: 0;
  left: 0;
  width: max-content;
  z-index: 1;
  pointer-events: none;
}

.vertical-grid-line {
  border-left: 1px solid #e2e8f0;
  height: 100%;
}

  .vertical-grid-line.current-hour-line {
    border-right: 3px solid #2563eb;
    box-shadow: 0 0 6px 1px #2563eb;
  }

  /* Current time line */
  #current-time-line {
    position: absolute;
    top: 0; bottom: 0;
    width: 2px;
    background-color: red;
    z-index: 5;
    pointer-events: none;
    filter: drop-shadow(0 0 3px rgba(255,0,0,0.8));
    transition: left 0.3s ease;
  }

  /* Popup */
  #popup {
    position: absolute;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 20px 25px;
    z-index: 10000;
    width: 280px;
    max-width: 90vw;
    font-size: 15px;
    color: #1e293b;
    user-select: text;
    display: none;
    animation: fadeInScale 0.25s ease forwards;
  }

  @keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
  }

  .popup-header {
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 17px;
  }

  .popup-row {
    margin: 6px 0;
  }

  .popup-row strong {
    color: #64748b;
    font-weight: 600;
    margin-right: 8px;
  }

  /* Tooltip */
  #tooltip {
    position: absolute;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 12px;
    pointer-events: none;
    white-space: nowrap;
    z-index: 20000;
    opacity: 0;
    transition: opacity 0.2s;
  }

  /* Responsive - shrink staff col width on small */
  @media (max-width: 600px) {
    :root {
      --staff-col-width: 80px;
    }
    .staff-label {
      font-size: 12px;
      padding: 0 8px;
    }
  }

  .lines-container {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  z-index: 1; /* Below the events */
  pointer-events: none;
}

.connector-line {
  position: absolute;
  height: 2px;
  background-color: #0ea5e9;
  z-index: 2;
}

.line-label {
  position: absolute;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: bold;
  color: #4b5563;
  background-color: rgba(255, 255, 255, 0.8);
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
}
.connector-line {
  position: absolute;
  height: 2px;
  background-color: #999;
}

.run-label {
  font-size: 12px;
  font-weight: bold;
  color: #444;
  background-color: #f0f0f0;
  padding: 2px 6px;
  border-radius: 4px;
}

.run-span-line {
  border-radius: 1px;
}

/* Modal styles */
#late-notification-modal {
  display: none; /* hidden by default */
  position: fixed;
  z-index: 10000;
  left: 0; top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.5);
}

#late-notification-modal .modal-content {
  background-color: #f44336; /* red */
  margin: 15% auto;
  padding: 20px;
  border-radius: 8px;
  width: 300px;
  color: white;
  font-size: 18px;
  text-align: center;
  font-weight: bold;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

#late-notification-modal .close-btn {
  margin-top: 15px;
  padding: 8px 15px;
  background: white;
  color: #c0392b;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
}