Calendar/wwwroot/css/calendar-layout-css.css

/* styles/layout.css - POC Structure Implementation */

/* Calendar wrapper container - full viewport */
.calendar-wrapper {
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  overflow: hidden;
}

/* Main calendar container - full height */
swp-calendar {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100vh;
  width: 100%;
  background: var(--color-background);
  position: relative;
  overflow: hidden;
}

/* Navigation bar layout */
swp-calendar-nav {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 20px;
  padding: 12px 16px;
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* Calendar container grid - POC structure */
swp-calendar-container {
  display: grid;
  grid-template-columns: 60px 1fr;
  grid-template-rows: auto 1fr;
  height: 100%;
  overflow: hidden;
  position: relative;
}


/* Header spacer for time axis alignment */
swp-header-spacer {
  grid-column: 1;
  grid-row: 1;
  height: calc(var(--header-height) + var(--all-day-row-height));
  /* Dynamic height including all-day events */
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  z-index: 5;
  /* Higher than time-axis to cover it when scrolling */
  position: relative;
}

/* All-day chevron button */
.allday-chevron {
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  color: #666;
  transition: transform 0.3s ease, color 0.2s ease;
  border-radius: 4px;
}

.allday-chevron:hover {
  color: #000;
  background-color: rgba(0, 0, 0, 0.05);
}

/* Chevron points down when collapsed (can expand) */
.allday-chevron.collapsed {
  transform: translateX(-50%) rotate(0deg);
}

/* Chevron points up when expanded (can collapse) */
.allday-chevron.expanded {
  transform: translateX(-50%) rotate(180deg);
}

.allday-chevron svg {
  display: block;
  width: 12px;
  height: 8px;
}



/* Week container for sliding */
swp-grid-container {
  grid-column: 2;
  grid-row: 1 / 3;
  display: grid;
  grid-template-rows: auto 1fr;
  position: relative;
  width: 100%;
  transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}


/* Time axis */
swp-time-axis {
  grid-column: 1;
  grid-row: 2;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  position: relative;
  left: 0;
  z-index: 3;
  /* Lower than header elements so it scrolls behind them */
  width: 60px;
  overflow: hidden;
  height: 100%;
}

/* Time axis content that scrolls */
swp-time-axis-content {
  display: flex;
  flex-direction: column;
  position: relative;
}




swp-hour-marker {
  height: var(--hour-height);
  padding: 0 8px 8px 15px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  position: relative; 
}

swp-hour-marker::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50px;
  width: calc(100vw - 60px);
  /* Full viewport width minus time-axis width */
  height: 1px;
  background: var(--color-hour-line);
  z-index: 2;
  /* Ensure it appears above other elements */
}

/* Add hour lines to time-grid as background */
swp-time-grid::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  min-width: calc(var(--grid-columns, 7) * var(--day-column-min-width));
  /* Dynamic width like swp-grid-lines */
  background-image: repeating-linear-gradient(to bottom,
      transparent,
      transparent calc(var(--hour-height) - 1px),
      var(--color-hour-line) calc(var(--hour-height) - 1px),
      var(--color-hour-line) var(--hour-height));
  z-index: 1;
}

/* Week header - dynamic height based on content */
swp-calendar-header {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns, 7), minmax(var(--day-column-min-width), 1fr));
  grid-template-rows: var(--header-height) auto;
  /* Row 1: header height, Row 2: auto for all-day events */
  min-width: calc(var(--grid-columns, 7) * var(--day-column-min-width));
  /* Dynamic width */
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 3;
  /* Lower than header-spacer so it slides under during horizontal scroll */
  height: calc(var(--header-height) + var(--all-day-row-height));
  /* Same calculation as spacers */

  /* Force scrollbar to appear for alignment */
  overflow-y: scroll;
  overflow-x: hidden;

  /* Firefox - hide scrollbar but keep space */
  scrollbar-width: auto;
  /* Normal width to match content scrollbar */

  /* All-day events container */
  swp-allday-container {
    grid-column: 1 / -1;
    grid-row: 2;
    display: grid;
    grid-template-columns: repeat(var(--grid-columns, 7), minmax(var(--day-column-min-width), 1fr));
    grid-auto-rows: var(--single-row-height);
    /* Each row is exactly SINGLE_ROW_HEIGHT */
    gap: 2px 0px;
    padding: 0px;
    align-items: center;
    overflow: hidden;
  }

  scrollbar-color: transparent transparent;
}

/* WebKit browsers (Chrome, Safari, Edge) - hide scrollbar but keep space */
swp-calendar-header::-webkit-scrollbar {
  width: 17px;
  /* Match system default scrollbar width */
  background: transparent;
}

swp-calendar-header::-webkit-scrollbar-thumb {
  background: transparent;
}

swp-calendar-header::-webkit-scrollbar-track {
  background: transparent;
}


swp-day-header {
  grid-row: 1;
  /* Explicitly place day headers in row 1 */
  /* Ensure header clicks work despite parent scrollbar */
  text-align: center;
  border-right: 1px solid var(--color-grid-line);
  border-bottom: 1px solid var(--color-grid-line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 7px;
}

swp-day-header:last-child {
  border-right: none;
}

/* Resource header styling */
swp-resource-header {
  padding: 12px;
  text-align: center;
  border-right: 1px solid var(--color-grid-line);
  border-bottom: 1px solid var(--color-grid-line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
}

swp-resource-header:last-child {
  border-right: none;
}

swp-resource-avatar {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 8px;
  background: var(--color-border);
}

swp-resource-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

swp-resource-name {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  text-align: center;
}

swp-day-name {
  display: block;
  font-weight: 500;
  font-size: 12px;
  color: var(--color-text-secondary);
}

swp-day-date {
  display: block;
  font-size: 20px;
  font-weight: 600;
  margin-top: 4px;
  height: 41px;

}

swp-day-header[data-today="true"] swp-day-date {
  color: var(--color-primary);
  background: rgba(33, 150, 243, 0.1);
  border-radius: 50%;
  width: 41px;
  height: 41px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 4px auto 0;
}

/* Ghost columns for mouseenter events */
swp-allday-column {
  position: relative;
  opacity: 0;
  /* Invisible but functional */
  /* Enable mouse events */
  background: transparent;
  z-index: 1;
  /* Below all-day events */
  height: 100%;
}

/* All-day events in containers */
swp-allday-container swp-allday-event {
  height: 22px !important;
  /* Fixed height for consistent stacking */
  position: relative !important;
  width: auto !important;
  left: auto !important;
  right: auto !important;
  top: auto !important;
  margin: 1px;
  padding: 2px 4px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  background: hsl(208, 100%, 50%);
  display: flex;
  z-index: 2;
  /* Above ghost columns */
  align-items: center;
  justify-content: flex-start;
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 4px;
  border-radius: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;

  /* Event type colors - normal state */
  &[data-type="meeting"] {
    background: var(--color-event-meeting);
    color: var(--color-text);
  }

  &[data-type="meal"] {
    background: var(--color-event-meal);
    color: var(--color-text);
  }

  &[data-type="work"] {
    background: var(--color-event-work);
    color: var(--color-text);
  }

  &[data-type="milestone"] {
    background: var(--color-event-milestone);
    color: var(--color-text);
  }

  &[data-type="personal"] {
    background: var(--color-event-personal);
    color: var(--color-text);
  }

  &[data-type="deadline"] {
    background: var(--color-event-milestone);
    color: var(--color-text);
  }

  /* Dragging state - keep full opacity */
  &.dragging {
    opacity: 1;
  }
}

/* Event type colors - highlight state (after drop) */
swp-allday-container swp-allday-event.highlight[data-type="meeting"] {
  background: var(--color-event-meeting-hl) !important;
}

swp-allday-container swp-allday-event.highlight[data-type="meal"] {
  background: var(--color-event-meal-hl) !important;
}

swp-allday-container swp-allday-event.highlight[data-type="work"] {
  background: var(--color-event-work-hl) !important;
}

swp-allday-container swp-allday-event.highlight[data-type="milestone"] {
  background: var(--color-event-milestone-hl) !important;
}

swp-allday-container swp-allday-event.highlight[data-type="personal"] {
  background: var(--color-event-personal-hl) !important;
}

swp-allday-container swp-allday-event.highlight[data-type="deadline"] {
  background: var(--color-event-milestone-hl) !important;
}

/* Overflow indicator styling */
swp-allday-container swp-allday-event.max-event-indicator {
  background: #e0e0e0 !important;
  color: #666 !important;
  border: 1px dashed #999 !important;
  cursor: pointer !important;
  text-align: center !important;
  font-style: italic;
  opacity: 0.8;
  justify-content: center;
}

swp-allday-container swp-allday-event.max-event-indicator:hover {
  background: #d0d0d0 !important;
  color: #333 !important;
  opacity: 1;
}

swp-allday-container swp-allday-event.max-event-indicator span {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 11px;
  font-weight: normal;
}

swp-allday-container swp-allday-event.max-event-overflow-show {
  opacity: 1;
  transition: opacity 0.3s ease-in-out;
}

swp-allday-container swp-allday-event.max-event-overflow-hide {
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

/* Hide time element for all-day styled events */
swp-allday-container swp-allday-event swp-event-time {
  display: none;
}

/* Adjust title display for all-day styled events */
swp-allday-container swp-allday-event swp-event-title {
  display: block;
  font-size: 12px;
  line-height: 18px;
}

/* Scrollable content */
swp-scrollable-content {
  overflow-y: auto;
  overflow-x: auto;
  scroll-behavior: smooth;
  position: relative;
  display: grid;
  top: -1px;
  /* Height and width will be set dynamically by ScrollManager via ResizeObserver */
}

/* Style native scrollbars for Webkit browsers (Chrome, Safari, Edge) */
swp-scrollable-content::-webkit-scrollbar {
  width: var(--scrollbar-width, 12px);
  height: var(--scrollbar-width, 12px);
}

swp-scrollable-content::-webkit-scrollbar-track {
  background: var(--scrollbar-track-color, #f0f0f0);
}

swp-scrollable-content::-webkit-scrollbar-thumb {
  background: var(--scrollbar-color, #666);
  border-radius: var(--scrollbar-border-radius, 6px);
}

swp-scrollable-content::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-hover-color, #333);
}

/* Style native scrollbars for Firefox */
swp-scrollable-content {
  scrollbar-width: auto;
  /* Let it use the webkit width */
  scrollbar-color: var(--scrollbar-color, #666) var(--scrollbar-track-color, #f0f0f0);
}

/* Fit to width mode - disable horizontal scroll */
swp-calendar[data-fit-to-width="true"] swp-scrollable-content {
  overflow-x: hidden;
}


/* Time grid */
swp-time-grid {
  position: relative;
  height: calc((var(--day-end-hour) - var(--day-start-hour)) * var(--hour-height));
}

/* Global work hours overlay - now disabled, replaced by per-column overlays */
swp-time-grid::before {
  content: '';
  position: absolute;
  top: 0;
  height: 0;
  left: 0;
  right: 0;
  background: transparent;
  min-width: calc(var(--grid-columns, 7) * var(--day-column-min-width));
  display: none;
  /* Disabled - using per-column overlays instead */
}

/* Grid lines */
swp-grid-lines {
  position: absolute;
  top: 0px;
  left: 0;
  right: 0;
  bottom: 0;
  min-width: calc(var(--grid-columns, 7) * var(--day-column-min-width));
  /* Dynamic width */
  z-index: var(--z-grid);
  background-image: repeating-linear-gradient(to bottom,
      transparent,
      transparent calc(var(--hour-height) / 4 - 1px),
      var(--color-grid-line-light) calc(var(--hour-height) / 4 - 1px),
      var(--color-grid-line-light) calc(var(--hour-height) / 4));
}


/* Day columns */
swp-day-columns {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(var(--grid-columns, 7), minmax(var(--day-column-min-width), 1fr));
  min-width: calc(var(--grid-columns, 7) * var(--day-column-min-width));
  /* Dynamic width */
}


swp-day-column {
  position: relative;
  border-right: 1px solid var(--color-grid-line);
  min-width: var(--day-column-min-width);
  background: var(--color-event-grid);
}

/* Per-column non-work hours overlays */
/* Before work overlay */
swp-day-column::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  background: var(--color-non-work-hours);
  z-index: 2;

  /* Before work period - from day start to work start */
  top: 0;
  height: var(--before-work-height, 0px);
  opacity: 0.3;
}

/* After work overlay */
swp-day-column::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  background: var(--color-non-work-hours);
  z-index: 2;

  /* After work period - from work end to day end */
  top: var(--after-work-top, 100%);
  bottom: 0;
  opacity: 0.3;
}

/* Full day overlay when day is off */
swp-day-column[data-work-hours="off"] {
  background: var(--color-non-work-hours);
}

swp-day-column[data-work-hours="off"]::before,
swp-day-column[data-work-hours="off"]::after {
  display: none;
}

swp-day-column:last-child {
  border-right: none;
}

/* Resource column styling */
swp-resource-column {
  position: relative;
  border-right: 1px solid var(--color-grid-line);
  min-width: var(--day-column-min-width);
  background: var(--color-event-grid);
}

swp-resource-column:last-child {
  border-right: none;
}

swp-events-layer {
  position: absolute;
  inset: 0;
  display: block;
  z-index: var(--z-event);
  /* Allow clicks to pass through to day column */
}

swp-day-columns swp-event {
}

/* Current time indicator */
swp-current-time-indicator {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-current-time);
  z-index: var(--z-current-time);

  /* Time label */
  &::before {
    content: attr(data-time);
    position: absolute;
    left: -55px;
    top: -10px;
    background: var(--color-current-time);
    color: white;
    padding: 2px 6px;
    font-size: 0.75rem;
    border-radius: 3px;
    white-space: nowrap;
  }

  /* Animated dot */
  &::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -4px;
    width: 10px;
    height: 10px;
    background: var(--color-current-time);
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(255, 0, 0, 0.3);
  }
}

/* Week navigation animations - simplified */
swp-calendar-container.week-transition {
  transition: opacity 300ms ease;
}

swp-calendar-container.week-transition-out {
  opacity: 0.5;
}