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

/* styles/components/events.css */

/* Event base styles */
swp-event {
  position: absolute;
  border-radius: 4px;
  overflow: hidden;
  cursor: move;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
  z-index: var(--z-event);
  
  /* CSS-based positioning */
  top: calc(var(--start-minutes) * var(--minute-height));
  height: calc(var(--duration-minutes) * var(--minute-height));
  
  /* Event types */
  &[data-type="meeting"] {
    background: var(--color-event-meeting);
    border-left: 4px solid var(--color-event-meeting-border);
  }
  
  &[data-type="meal"] {
    background: var(--color-event-meal);
    border-left: 4px solid var(--color-event-meal-border);
  }
  
  &[data-type="work"] {
    background: var(--color-event-work);
    border-left: 4px solid var(--color-event-work-border);
  }
  
  &[data-type="milestone"] {
    background: var(--color-event-milestone);
    border-left: 4px solid var(--color-event-milestone-border);
  }
  
  /* Hover state */
  &:hover {
    box-shadow: var(--shadow-md);
    transform: scale(1.02);
    z-index: var(--z-event-hover);
    
    swp-resize-handle {
      opacity: 1;
    }
  }
  
  /* Active/selected state */
  &[data-selected="true"] {
    box-shadow: 0 0 0 2px var(--color-primary);
    z-index: var(--z-event-hover);
  }
  
  /* Dragging state */
  &[data-dragging="true"] {
    opacity: 0.5;
    cursor: grabbing;
    z-index: var(--z-drag-ghost);
    
    &::before {
      content: '';
      position: absolute;
      inset: -2px;
      border: 2px solid var(--color-primary);
      border-radius: 6px;
      pointer-events: none;
    }
  }
  
  /* Resizing state */
  &[data-resizing="true"] {
    opacity: 0.8;
    
    swp-resize-handle {
      opacity: 1;
      
      &::before,
      &::after {
        background: var(--color-primary);
      }
    }
  }
  
  /* Sync status indicators */
  &[data-sync-status="pending"] {
    &::after {
      content: '';
      position: absolute;
      top: 4px;
      right: 4px;
      width: 8px;
      height: 8px;
      background: var(--color-warning);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }
  }
  
  &[data-sync-status="error"] {
    &::after {
      content: '';
      position: absolute;
      top: 4px;
      right: 4px;
      width: 8px;
      height: 8px;
      background: var(--color-danger);
      border-radius: 50%;
    }
  }
}

/* Event header */
swp-event-header {
  padding: 8px 12px 4px;
  
  swp-event-time {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.8;
  }
}

/* Event body */
swp-event-body {
  padding: 0 12px 8px;
  
  swp-event-title {
    display: block;
    font-size: 0.875rem;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    
    /* Multi-line ellipsis */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
}

/* Resize handles */
swp-resize-handle {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
  
  /* The two lines */
  &::before,
  &::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(0, 0, 0, 0.3);
  }
  
  &::before {
    top: 0;
  }
  
  &::after {
    bottom: 0;
  }
  
  /* Hit area */
  swp-handle-hitarea {
    position: absolute;
    left: -8px;
    right: -8px;
    top: -6px;
    bottom: -6px;
    cursor: ns-resize;
  }
  
  &[data-position="top"] {
    top: 4px;
  }
  
  &[data-position="bottom"] {
    bottom: 4px;
  }
}

/* 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;
  
  /* Event type colors */
  &[data-type="milestone"] {
    background: var(--color-event-milestone);
    color: var(--color-event-milestone-border);
  }
  
  /* Continuation indicators */
  &[data-continues-before="true"] {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    margin-left: 0;
    padding-left: 20px;
    
    &::before {
      content: '◀';
      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: '▶';
      position: absolute;
      right: 4px;
      opacity: 0.6;
      font-size: 0.75rem;
    }
  }
  
  &:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
  }
}

/* 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;
  pointer-events: none;
  
  /* Position via CSS variables */
  top: calc(var(--preview-start) * var(--minute-height));
  height: calc(var(--preview-duration) * var(--minute-height));
}