Calendar/wwwroot/css/calendar-base-css.css

/* styles/base.css */

/* CSS Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Variables */
:root {
  /* Grid measurements */
  --hour-height: 60px;
  --minute-height: 1px;
  --snap-interval: 15;
  --day-column-min-width: 250px;
  --week-days: 7;
  --header-height: 80px;
  --all-day-row-height: 0px; /* Default height for all-day events row */
  --all-day-event-height: 26px; /* Height of single all-day event including gaps */
  --single-row-height: 28px; /* Height of single row in all-day container - synced with TypeScript */
  --stack-levels: 1; /* Number of stack levels for all-day events */
  
  /* Time boundaries - Default fallback values */
  --day-start-hour: 0;
  --day-end-hour: 24;
  --work-start-hour: 8;
  --work-end-hour: 17;
  
  /* Colors */
  --color-primary: #2196f3;
  --color-secondary: #ff9800;
  --color-success: #4caf50;
  --color-danger: #f44336;
  --color-warning: #ff9800;
  
  /* Grid colors */
  --color-grid-line: #e0e0e0;
  --color-grid-line-light: rgba(0, 0, 0, 0.05);
  --color-hour-line: rgba(0, 0, 0, 0.2);
  --color-work-hours: rgba(255, 255, 255, 0.9);
  --color-current-time: #ff0000;
  
  /* Named color palette for events */
  --b-color-red: #e53935;
  --b-color-pink: #d81b60;
  --b-color-magenta: #c200c2;
  --b-color-purple: #8e24aa;
  --b-color-violet: #5e35b1;
  --b-color-deep-purple: #4527a0;
  --b-color-indigo: #3949ab;
  --b-color-blue: #1e88e5;
  --b-color-light-blue: #03a9f4;
  --b-color-cyan: #3bc9db;
  --b-color-teal: #00897b;
  --b-color-green: #43a047;
  --b-color-light-green: #8bc34a;
  --b-color-lime: #c0ca33;
  --b-color-yellow: #fdd835;
  --b-color-amber: #ffb300;
  --b-color-orange: #fb8c00;
  --b-color-deep-orange: #f4511e;
  
  /* Base mix for color-mix() function */
  --b-mix: #fff;
  
  /* UI colors */
  --color-background: #ffffff;
  --color-surface: #f5f5f5;
  --color-event-grid: #ffffff;
  --color-non-work-hours: #ff980038;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-border: #e0e0e0;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
  --shadow-popup: 0 4px 20px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Z-index layers */
  --z-grid: 1;
  --z-event: 10;
  --z-event-hover: 20;
  --z-drag-ghost: 30;
  --z-current-time: 40;
  --z-popup: 100;
  --z-loading: 200;
}

/* Base styles */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom elements default display */
swp-calendar,
swp-calendar-nav,
swp-calendar-container,
swp-calendar-grid,
swp-header-cell,
swp-time-cell,
swp-day-cell,
swp-events-container,
swp-day-columns swp-event,
swp-loading-overlay,
swp-nav-group,
swp-nav-button,
swp-search-container,
swp-search-icon,
swp-search-clear,
swp-view-selector,
swp-view-button,
swp-week-info,
swp-week-number,
swp-date-range,
swp-day-name,
swp-day-date,
swp-event-time,
swp-day-columns swp-event-title,
swp-spinner {
  display: block;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
  background: #bbb;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #999;
}

/* Selection styling */
::selection {
  background-color: rgba(33, 150, 243, 0.2);
  color: inherit;
}

/* Prevent text selection in calendar UI */
swp-calendar-container,
swp-calendar-grid,
swp-day-column,
swp-day-columns swp-event,
swp-day-columns swp-event-group,
swp-time-axis,
swp-day-columns swp-event-title,
swp-day-columns swp-event-time {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* Enable text selection for events when double-clicked */
swp-day-columns swp-event.text-selectable swp-day-columns swp-event-title,
swp-day-columns swp-event.text-selectable swp-day-columns swp-event-time {
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

/* Focus styles */
:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Utility classes */
.hidden {
  display: none !important;
}

.invisible {
  visibility: hidden !important;
}

.transparent {
  opacity: 0 !important;
}

/* Animations */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pulse {
  0% { 
    opacity: 1; 
    transform: scale(1); 
  }
  50% { 
    opacity: 0.6; 
    transform: scale(1.2); 
  }
  100% { 
    opacity: 1; 
    transform: scale(1); 
  }
}

@keyframes fadeIn {
  from { 
    opacity: 0; 
    transform: translateY(10px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

@keyframes slideIn {
  from { 
    transform: translateX(-100%); 
  }
  to { 
    transform: translateX(0); 
  }
}