Calendar/wwwroot/css/v2/calendar-v2-events.css

/* V2 Events - Event styling (from V1 calendar-events-css.css) */

/* Event base styles */
swp-day-columns swp-event {
  --b-text: var(--color-text);

  position: absolute;
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  transition: background-color 200ms ease, box-shadow 150ms ease, transform 150ms ease;
  z-index: 10;
  left: 2px;
  right: 2px;
  font-size: 12px;
  padding: 4px 6px;
  user-select: none;

  /* Color system using color-mix() */
  background-color: color-mix(in srgb, var(--b-primary) 10%, var(--b-mix));
  color: var(--b-text);
  border-left: 4px solid var(--b-primary);

  /* Enable container queries for responsive layout */
  container-type: size;
  container-name: event;

  /* CSS Grid layout for time, title, and description */
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto 1fr;
  gap: 2px 4px;
  align-items: start;

  /* Dragging state */
  &.dragging {
    position: absolute;
    z-index: 999999;
    left: 2px;
    right: 2px;
    width: auto;
    cursor: grabbing;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }

  /* Ghost clone (stays in original position during drag) */
  &.drag-ghost {
    opacity: 0.3;
    pointer-events: none;
  }

  /* Hover state */
  &:hover {
    background-color: color-mix(in srgb, var(--b-primary) 15%, var(--b-mix));
  }
}

swp-day-columns swp-event:hover {
  z-index: 20;
}

/* Resize handle - actual draggable element */
swp-resize-handle {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 15px;
  cursor: ns-resize;
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 150ms ease;
}

/* Show handle on hover */
swp-day-columns swp-event:hover swp-resize-handle {
  opacity: 1;
}

/* Handle visual indicator (grip lines) */
swp-resize-handle::before {
  content: '';
  width: 30px;
  height: 4px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 2px;
  box-shadow:
    0 -2px 0 rgba(255, 255, 255, 0.9),
    0 2px 0 rgba(255, 255, 255, 0.9),
    0 0 4px rgba(0, 0, 0, 0.2);
}

/* Global resizing state */
.swp--resizing {
  user-select: none !important;
  cursor: ns-resize !important;
}

.swp--resizing * {
  cursor: ns-resize !important;
}

swp-day-columns swp-event-time {
  grid-column: 1;
  grid-row: 1;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
}

swp-day-columns swp-event-title {
  grid-column: 2;
  grid-row: 1;
  font-size: 0.875rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

swp-day-columns swp-event-description {
  grid-column: 1 / -1;
  grid-row: 2;
  display: block;
  font-size: 0.875rem;
  opacity: 0.8;
  line-height: 1.3;
  overflow: hidden;
  word-wrap: break-word;

  /* Ensure description fills available height for gradient effect */
  min-height: 100%;
  align-self: stretch;

  /* Fade-out effect for long descriptions */
  -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}

/* Container queries for height-based layout */

/* Hide description when event is too short (< 30px) */
@container event (height < 30px) {
  swp-day-columns swp-event-description {
    display: none;
  }
}

/* Full description for tall events (>= 100px) */
@container event (height >= 100px) {
  swp-day-columns swp-event-description {
    max-height: none;
  }
}

/* Multi-day events */
swp-multi-day-event {
  position: relative;
  height: 28px;
  margin: 2px 4px;
  padding: 0 8px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  user-select: none;

  /* Color system using color-mix() */
  --b-text: var(--color-text);
  background-color: color-mix(in srgb, var(--b-primary) 10%, var(--b-mix));
  color: var(--b-text);
  border-left: 4px solid var(--b-primary);

  &:hover {
    background-color: color-mix(in srgb, var(--b-primary) 15%, var(--b-mix));
  }

  /* Continuation indicators */
  &[data-continues-before="true"] {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    margin-left: 0;
    padding-left: 20px;

    &::before {
      content: '\25C0';
      position: absolute;
      left: 4px;
      opacity: 0.6;
      font-size: 0.75rem;
    }
  }

  &[data-continues-after="true"] {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    margin-right: 0;
    padding-right: 20px;

    &::after {
      content: '\25B6';
      position: absolute;
      right: 4px;
      opacity: 0.6;
      font-size: 0.75rem;
    }
  }

  &:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
  }
}

/* All-day events */
swp-allday-event {
  --b-text: var(--color-text);
  background-color: color-mix(in srgb, var(--b-primary) 10%, var(--b-mix));
  color: var(--b-text);
  border-left: 4px solid var(--b-primary);
  cursor: pointer;
  transition: background-color 200ms ease;
  user-select: none;

  &:hover {
    background-color: color-mix(in srgb, var(--b-primary) 15%, var(--b-mix));
  }
}

/* Event creation preview */
swp-event-preview {
  position: absolute;
  left: 8px;
  right: 8px;
  background: rgba(33, 150, 243, 0.1);
  border: 2px dashed var(--color-primary);
  border-radius: 4px;

  /* Position via CSS variables */
  top: calc(var(--preview-start) * var(--minute-height));
  height: calc(var(--preview-duration) * var(--minute-height));
}

/* Event filtering styles */
/* When filter is active, all events are dimmed by default */
swp-events-layer[data-filter-active="true"] swp-event {
  opacity: 0.2;
  transition: opacity 200ms ease;
}

/* Events that match the filter stay normal */
swp-events-layer[data-filter-active="true"] swp-event[data-matches="true"] {
  opacity: 1;
}

/* Event overlap styling */
/* Event group container for column sharing */
swp-event-group {
  position: absolute;
  display: grid;
  gap: 2px;
  left: 2px;
  right: 2px;
  z-index: 10;
}

/* Grid column configurations */
swp-event-group.cols-2 {
  grid-template-columns: 1fr 1fr;
}

swp-event-group.cols-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

swp-event-group.cols-4 {
  grid-template-columns: 1fr 1fr 1fr 1fr;
}

/* Stack levels using margin-left */
swp-event-group.stack-level-0 {
  margin-left: 0px;
}

swp-event-group.stack-level-1 {
  margin-left: 15px;
}

swp-event-group.stack-level-2 {
  margin-left: 30px;
}

swp-event-group.stack-level-3 {
  margin-left: 45px;
}

swp-event-group.stack-level-4 {
  margin-left: 60px;
}

/* Shadow for stacked events (level 1+) */
swp-event[data-stack-link]:not([data-stack-link*='"stackLevel":0']),
swp-event-group[data-stack-link]:not([data-stack-link*='"stackLevel":0']) swp-event {
  box-shadow:
    0 -1px 2px rgba(0, 0, 0, 0.1),
    0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Child events within grid */
swp-event-group swp-event {
  position: relative;
  left: 0;
  right: 0;
}

/* All-day event transition for smooth repositioning */
swp-allday-container swp-event.transitioning {
  transition: grid-area 200ms ease-out, grid-row 200ms ease-out, grid-column 200ms ease-out;
}

/* Color utility classes */
.is-red { --b-primary: var(--b-color-red); }
.is-pink { --b-primary: var(--b-color-pink); }
.is-magenta { --b-primary: var(--b-color-magenta); }
.is-purple { --b-primary: var(--b-color-purple); }
.is-violet { --b-primary: var(--b-color-violet); }
.is-deep-purple { --b-primary: var(--b-color-deep-purple); }
.is-indigo { --b-primary: var(--b-color-indigo); }
.is-blue { --b-primary: var(--b-color-blue); }
.is-light-blue { --b-primary: var(--b-color-light-blue); }
.is-cyan { --b-primary: var(--b-color-cyan); }
.is-teal { --b-primary: var(--b-color-teal); }
.is-green { --b-primary: var(--b-color-green); }
.is-light-green { --b-primary: var(--b-color-light-green); }
.is-lime { --b-primary: var(--b-color-lime); }
.is-yellow { --b-primary: var(--b-color-yellow); }
.is-amber { --b-primary: var(--b-color-amber); }
.is-orange { --b-primary: var(--b-color-orange); }
.is-deep-orange { --b-primary: var(--b-color-deep-orange); }

/* Header drawer items */
swp-header-item {
  --b-text: var(--color-text);

  /* Positioneres via style.gridArea */
  height: 22px;
  margin: 1px 4px;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: background-color 200ms ease;

  /* Color system - inverted from swp-event */
  background-color: color-mix(in srgb, var(--b-primary) 15%, var(--b-mix));
  color: var(--b-text);

  &:hover {
    background-color: color-mix(in srgb, var(--b-primary) 10%, var(--b-mix));
  }

  /* Dragging state */
  &.dragging {
    opacity: 0.7;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  }
}