/* Vanilla Calendar - Adapted for Raumzeit Booking System */
/* Based on vanilla-calendar by Mateusz Ziomek, adapted with Raumzeit theme */

/* ================================
   CSS Variables - Raumzeit Theme
   ================================ */
:root {
  /* Raumzeit Colors */
  --vc-primary-50: #fef2f2;
  --vc-primary-100: #fee2e2;
  --vc-primary-500: #ef4444;
  --vc-primary-600: #e11d48;
  --vc-primary-700: #be123c;

  /* Neutral Colors */
  --vc-gray-50: #f9fafb;
  --vc-gray-100: #f3f4f6;
  --vc-gray-200: #e5e7eb;
  --vc-gray-300: #d1d5db;
  --vc-gray-400: #9ca3af;
  --vc-gray-500: #6b7280;
  --vc-gray-600: #4b5563;
  --vc-gray-700: #374151;
  --vc-gray-800: #1f2937;
  --vc-gray-900: #111827;

  /* Semantic Colors */
  --vc-success-500: #22c55e;
  --vc-warning-500: #f59e0b;
  --vc-danger-500: #ef4444;

  /* Typography */
  --vc-font-size-xs: 0.75rem;
  --vc-font-size-sm: 0.875rem;
  --vc-font-size-md: 1rem;
  --vc-font-size-lg: 1.125rem;

  --vc-line-height-xs: 1rem;
  --vc-line-height-sm: 1.25rem;
  --vc-line-height-md: 1.5rem;

  /* Spacing */
  --vc-spacing-1: 0.25rem;
  --vc-spacing-2: 0.5rem;
  --vc-spacing-3: 0.75rem;
  --vc-spacing-4: 1rem;

  /* Border Radius */
  --vc-radius-sm: 0.25rem;
  --vc-radius-md: 0.5rem;
  --vc-radius-lg: 0.75rem;
  --vc-radius-xl: 1rem;
  --vc-radius-full: 9999px;

  /* Shadows */
  --vc-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --vc-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --vc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --vc-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --vc-transition-fast: 150ms ease;
  --vc-transition-normal: 200ms ease;
  --vc-transition-slow: 300ms ease;
}

/* ================================
   Mini Calendar Component
   ================================ */
.vc-mini-calendar {
  display: flex;
  flex-direction: column;
  gap: var(--vc-spacing-3);
  background: white;
  border-radius: var(--vc-radius-xl);
  padding: var(--vc-spacing-4);
}

.vc-mini-calendar__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.vc-mini-calendar__title {
  font-size: var(--vc-font-size-md);
  font-weight: 600;
  color: var(--vc-gray-900);
}

.vc-mini-calendar__controls {
  display: flex;
  gap: var(--vc-spacing-1);
}

.vc-mini-calendar__nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  background: var(--vc-gray-100);
  border-radius: var(--vc-radius-full);
  cursor: pointer;
  color: var(--vc-gray-600);
  transition: all var(--vc-transition-fast);
}

.vc-mini-calendar__nav-btn:hover {
  background: var(--vc-primary-100);
  color: var(--vc-primary-600);
}

.vc-mini-calendar__nav-btn:active {
  transform: scale(0.95);
}

.vc-mini-calendar__content {
  display: flex;
  flex-direction: column;
  gap: var(--vc-spacing-2);
}

/* Weekday Header */
.vc-mini-calendar__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--vc-spacing-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.vc-mini-calendar__weekday {
  text-align: center;
  font-size: var(--vc-font-size-xs);
  font-weight: 600;
  color: var(--vc-gray-500);
  padding: var(--vc-spacing-1) 0;
  text-transform: uppercase;
}

/* Days Grid */
.vc-mini-calendar__days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--vc-spacing-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.vc-mini-calendar__day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vc-mini-calendar__day-btn {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  background: transparent;
  border-radius: var(--vc-radius-full);
  cursor: pointer;
  font-size: var(--vc-font-size-sm);
  font-weight: 500;
  color: var(--vc-gray-700);
  transition: all var(--vc-transition-fast);
  position: relative;
}

.vc-mini-calendar__day-btn:hover:not(:disabled) {
  background: var(--vc-primary-50);
  color: var(--vc-primary-600);
}

.vc-mini-calendar__day-btn:active:not(:disabled) {
  transform: scale(0.9);
}

/* Other Month Days */
.vc-mini-calendar__day-btn--other-month {
  color: var(--vc-gray-400);
}

.vc-mini-calendar__day-btn--other-month:hover:not(:disabled) {
  color: var(--vc-gray-500);
  background: var(--vc-gray-100);
}

/* Today Highlight */
.vc-mini-calendar__day-btn--today {
  border-color: var(--vc-primary-600);
  font-weight: 700;
}

/* Selected Day */
.vc-mini-calendar__day-btn--selected {
  background: var(--vc-primary-600);
  color: white;
  font-weight: 700;
}

.vc-mini-calendar__day-btn--selected:hover {
  background: var(--vc-primary-700);
  color: white;
}

/* Disabled Days */
.vc-mini-calendar__day-btn:disabled {
  color: var(--vc-gray-300);
  cursor: not-allowed;
  background: var(--vc-gray-50);
}

/* Event Indicator */
.vc-mini-calendar__day-btn--has-events::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: var(--vc-radius-full);
  background: var(--vc-primary-500);
}

.vc-mini-calendar__day-btn--selected.vc-mini-calendar__day-btn--has-events::after {
  background: white;
}

/* ================================
   Month Calendar Component (Full View)
   ================================ */
.vc-month-calendar {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: white;
  border-radius: var(--vc-radius-xl);
  overflow: hidden;
}

.vc-month-calendar__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--vc-spacing-4);
  border-bottom: 1px solid var(--vc-gray-200);
}

.vc-month-calendar__title {
  font-size: var(--vc-font-size-lg);
  font-weight: 700;
  color: var(--vc-gray-900);
}

.vc-month-calendar__nav {
  display: flex;
  align-items: center;
  gap: var(--vc-spacing-2);
}

.vc-month-calendar__nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--vc-primary-600);
  background: transparent;
  border-radius: var(--vc-radius-full);
  cursor: pointer;
  color: var(--vc-primary-600);
  transition: all var(--vc-transition-fast);
}

.vc-month-calendar__nav-btn:hover {
  background: var(--vc-primary-600);
  color: white;
}

.vc-month-calendar__nav-btn:active {
  transform: scale(0.95);
}

.vc-month-calendar__today-btn {
  padding: 0.5rem 1rem;
  border: 2px solid var(--vc-gray-300);
  background: white;
  border-radius: var(--vc-radius-lg);
  cursor: pointer;
  font-size: var(--vc-font-size-sm);
  font-weight: 600;
  color: var(--vc-gray-700);
  transition: all var(--vc-transition-fast);
}

.vc-month-calendar__today-btn:hover {
  border-color: var(--vc-primary-600);
  color: var(--vc-primary-600);
}

/* Weekdays Header */
.vc-month-calendar__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--vc-gray-50);
  border-bottom: 1px solid var(--vc-gray-200);
  list-style: none;
  margin: 0;
  padding: 0;
}

.vc-month-calendar__weekday {
  text-align: center;
  font-size: var(--vc-font-size-sm);
  font-weight: 600;
  color: var(--vc-gray-600);
  padding: var(--vc-spacing-3) var(--vc-spacing-2);
}

/* Days Grid */
.vc-month-calendar__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.vc-month-calendar__days {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
}

/* Auto-calculate rows based on content */
.vc-month-calendar__days--4-weeks {
  grid-template-rows: repeat(4, 1fr);
}

.vc-month-calendar__days--5-weeks {
  grid-template-rows: repeat(5, 1fr);
}

.vc-month-calendar__days--6-weeks {
  grid-template-rows: repeat(6, 1fr);
}

/* Day Cell */
.vc-month-calendar__day {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--vc-gray-200);
  border-bottom: 1px solid var(--vc-gray-200);
  min-height: 100px;
  min-width: 0; /* Prevent grid item from expanding beyond its track */
  overflow: hidden;
  cursor: pointer;
  transition: background var(--vc-transition-fast);
}

.vc-month-calendar__day:hover {
  background: var(--vc-primary-50);
}

.vc-month-calendar__day:nth-child(7n) {
  border-right: none;
}

/* Day Header */
.vc-month-calendar__day-header {
  padding: var(--vc-spacing-2);
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: var(--vc-spacing-1);
}

/* Weekday name in day header - hidden in grid view */
.vc-month-calendar__day-weekday {
  display: none;
  font-size: var(--vc-font-size-xs);
  font-weight: 600;
  color: var(--vc-gray-500);
  text-transform: uppercase;
}

.vc-month-calendar__day-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--vc-radius-full);
  font-size: var(--vc-font-size-sm);
  font-weight: 500;
  color: var(--vc-gray-700);
  transition: all var(--vc-transition-fast);
}

.vc-month-calendar__day--other-month .vc-month-calendar__day-number {
  color: var(--vc-gray-400);
}

.vc-month-calendar__day--today .vc-month-calendar__day-number {
  background: var(--vc-primary-600);
  color: white;
  font-weight: 700;
}

/* Day Content - Events */
.vc-month-calendar__day-content {
  flex: 1;
  padding: 0 var(--vc-spacing-2) var(--vc-spacing-2);
  overflow: hidden;
}

/* Event Item */
.vc-month-calendar__event {
  display: flex;
  align-items: center;
  gap: var(--vc-spacing-1);
  padding: var(--vc-spacing-1) var(--vc-spacing-2);
  margin-bottom: var(--vc-spacing-1);
  background: var(--vc-primary-100);
  border-left: 3px solid var(--vc-primary-600);
  border-radius: var(--vc-radius-sm);
  font-size: var(--vc-font-size-xs);
  color: var(--vc-gray-700);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: all var(--vc-transition-fast);
}

.vc-month-calendar__event:hover {
  background: var(--vc-primary-200);
}

.vc-month-calendar__event-time {
  font-weight: 600;
  color: var(--vc-gray-600);
}

.vc-month-calendar__event-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vc-month-calendar__event-icon {
  flex-shrink: 0;
  font-size: 10px;
}

/* More Events Indicator */
.vc-month-calendar__more-events {
  font-size: var(--vc-font-size-xs);
  color: var(--vc-primary-600);
  font-weight: 600;
  padding: var(--vc-spacing-1) var(--vc-spacing-2);
  cursor: pointer;
}

.vc-month-calendar__more-events:hover {
  text-decoration: underline;
}

/* Event Dots (for mobile view) - hidden by default */
.vc-month-calendar__event-dots {
  display: none;
  flex-wrap: wrap;
  gap: 3px;
  justify-content: center;
  padding: 2px 4px;
  align-items: center;
}

.vc-month-calendar__event-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vc-primary-500);
  flex-shrink: 0;
}

.vc-month-calendar__event-dot--more {
  width: auto;
  height: auto;
  border-radius: var(--vc-radius-sm);
  background: var(--vc-gray-200);
  color: var(--vc-gray-600);
  font-size: 8px;
  font-weight: 600;
  padding: 1px 3px;
}

/* ================================
   Calendar Popup / Modal
   ================================ */
.vc-calendar-popup {
  position: fixed;
  z-index: 99999;
  background: white;
  border-radius: var(--vc-radius-xl);
  box-shadow: var(--vc-shadow-xl);
  border: 1px solid var(--vc-gray-200);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--vc-transition-normal);
}

.vc-calendar-popup--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ================================
   Responsive Styles - Prevent Horizontal Scroll
   ================================ */

/* Base fix: Prevent overflow */
.vc-mini-calendar,
.vc-month-calendar {
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Ensure grids don't overflow */
.vc-mini-calendar__weekdays,
.vc-mini-calendar__days,
.vc-month-calendar__weekdays,
.vc-month-calendar__days {
  max-width: 100%;
  overflow: hidden;
}

/* Weekday name switching - show short by default, hide single */
.vc-weekday-short {
  display: inline;
}

.vc-weekday-single {
  display: none;
}

/* Tablet and below */
@media (max-width: 768px) {
  .vc-mini-calendar {
    padding: var(--vc-spacing-3);
  }

  .vc-mini-calendar__day-btn {
    font-size: var(--vc-font-size-xs);
  }

  .vc-month-calendar__day {
    min-height: 80px;
  }

  .vc-month-calendar__day-number {
    width: 1.75rem;
    height: 1.75rem;
    font-size: var(--vc-font-size-xs);
  }

  .vc-month-calendar__event {
    padding: 2px 4px;
  }

  .vc-month-calendar__event-time {
    display: none;
  }

  .vc-month-calendar__weekday {
    font-size: var(--vc-font-size-xs);
    padding: var(--vc-spacing-2);
  }
}

/* Mobile devices - Switch to single-letter weekdays */
@media (max-width: 640px) {
  /* Switch weekday names to single letter */
  .vc-weekday-short {
    display: none;
  }

  .vc-weekday-single {
    display: inline;
  }

  /* Mini Calendar - Compact layout */
  .vc-mini-calendar {
    padding: var(--vc-spacing-2);
  }

  .vc-mini-calendar__nav-btn {
    width: 1.75rem;
    height: 1.75rem;
  }

  .vc-mini-calendar__nav-btn svg {
    width: 14px;
    height: 14px;
  }

  .vc-mini-calendar__title {
    font-size: var(--vc-font-size-sm);
  }

  .vc-mini-calendar__weekday {
    font-size: var(--vc-font-size-xs);
    font-weight: 600;
    padding: 4px 0;
  }

  .vc-mini-calendar__day-btn {
    font-size: var(--vc-font-size-xs);
  }

  .vc-mini-calendar__weekdays,
  .vc-mini-calendar__days {
    gap: 2px;
  }

  /* Month Calendar - Responsive grid */
  .vc-month-calendar__header {
    padding: var(--vc-spacing-2) var(--vc-spacing-3);
    flex-wrap: wrap;
    gap: var(--vc-spacing-2);
  }

  .vc-month-calendar__nav {
    order: 1;
    width: 100%;
    justify-content: center;
  }

  .vc-month-calendar__title {
    font-size: var(--vc-font-size-md);
    width: 100%;
    text-align: center;
    order: 0;
  }

  .vc-month-calendar__nav-btn {
    width: 2rem;
    height: 2rem;
  }

  .vc-month-calendar__today-btn {
    padding: 0.375rem 0.75rem;
    font-size: var(--vc-font-size-xs);
  }

  .vc-month-calendar__weekday {
    font-size: var(--vc-font-size-xs);
    font-weight: 600;
    padding: var(--vc-spacing-2) 0;
    text-align: center;
  }

  .vc-month-calendar__day {
    min-height: 55px;
  }

  .vc-month-calendar__day-header {
    padding: var(--vc-spacing-1);
    justify-content: center;
  }

  .vc-month-calendar__day-number {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 11px;
  }

  .vc-month-calendar__day-content {
    padding: 0 2px 2px;
  }

  .vc-month-calendar__event {
    font-size: 9px;
    padding: 2px 3px;
    border-left-width: 2px;
    gap: 2px;
  }

  .vc-month-calendar__event-icon {
    font-size: 8px;
  }

  .vc-month-calendar__event-title {
    display: none;
  }

  .vc-month-calendar__more-events {
    font-size: 9px;
    padding: 2px;
  }
}

/* Very small mobile (< 480px) - Hide events, show dots */
@media (max-width: 480px) {
  .vc-mini-calendar__weekdays,
  .vc-mini-calendar__days {
    gap: 1px;
  }

  .vc-mini-calendar__day-btn {
    font-size: 11px;
  }

  .vc-month-calendar__weekday {
    font-size: 11px;
    padding: var(--vc-spacing-1) 0;
  }

  .vc-month-calendar__day {
    min-height: 48px;
  }

  .vc-month-calendar__day-number {
    width: 1.375rem;
    height: 1.375rem;
    font-size: 10px;
  }

  /* Hide full event cards */
  .vc-month-calendar__day-content {
    display: none;
  }

  /* Show event dots instead */
  .vc-month-calendar__event-dots {
    display: flex;
  }
}

/* Extremely small mobile (< 400px) */
@media (max-width: 400px) {
  .vc-mini-calendar {
    padding: var(--vc-spacing-1);
  }

  .vc-mini-calendar__header {
    margin-bottom: var(--vc-spacing-1);
  }

  .vc-mini-calendar__title {
    font-size: var(--vc-font-size-xs);
  }

  .vc-mini-calendar__nav-btn {
    width: 1.5rem;
    height: 1.5rem;
  }

  .vc-mini-calendar__nav-btn svg {
    width: 12px;
    height: 12px;
  }

  .vc-mini-calendar__weekday {
    font-size: 10px;
    padding: 2px 0;
  }

  .vc-mini-calendar__day-btn {
    font-size: 10px;
  }

  .vc-month-calendar__header {
    padding: var(--vc-spacing-1) var(--vc-spacing-2);
  }

  .vc-month-calendar__title {
    font-size: var(--vc-font-size-sm);
  }

  .vc-month-calendar__nav-btn {
    width: 1.75rem;
    height: 1.75rem;
    border-width: 1px;
  }

  .vc-month-calendar__nav-btn svg {
    width: 16px;
    height: 16px;
  }

  .vc-month-calendar__today-btn {
    padding: 0.25rem 0.5rem;
    font-size: 10px;
  }

  .vc-month-calendar__weekday {
    font-size: 10px;
  }

  .vc-month-calendar__day {
    min-height: 42px;
  }

  .vc-month-calendar__day-header {
    padding: 2px;
  }

  .vc-month-calendar__day-number {
    width: 1.25rem;
    height: 1.25rem;
    font-size: 9px;
  }
}

/* Very narrow screens (< 360px) */
@media (max-width: 360px) {
  .vc-month-calendar__day {
    min-height: 38px;
  }

  .vc-month-calendar__day-number {
    width: 1.125rem;
    height: 1.125rem;
    font-size: 8px;
  }

  .vc-month-calendar__weekday {
    font-size: 9px;
  }
}

/* Tablet and mobile (< 1024px) - Switch to vertical list view */
@media (max-width: 1024px) {
  /* Hide weekday header row in vertical mode */
  .vc-month-calendar__weekdays {
    display: none;
  }

  /* Transform days grid to vertical list */
  .vc-month-calendar__days {
    display: flex;
    flex-direction: column;
    grid-template-columns: none;
  }

  /* Day cell becomes full-width row */
  .vc-month-calendar__day {
    flex-direction: row;
    align-items: center;
    min-height: auto;
    padding: var(--vc-spacing-2) var(--vc-spacing-3);
    border-right: none;
    gap: var(--vc-spacing-2);
  }

  /* Day header shows weekday name + date */
  .vc-month-calendar__day-header {
    padding: 0;
    flex-shrink: 0;
    min-width: 70px;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  /* Show weekday name in vertical view */
  .vc-month-calendar__day-weekday {
    display: block;
    font-size: 10px;
    color: var(--vc-gray-500);
  }

  .vc-month-calendar__day-number {
    width: auto;
    height: auto;
    font-size: var(--vc-font-size-lg);
    font-weight: 700;
    padding: 0;
    border-radius: 0;
    background: none !important;
    color: var(--vc-gray-900);
  }

  .vc-month-calendar__day--today .vc-month-calendar__day-number {
    color: var(--vc-primary-600);
  }

  /* Show day content again in vertical mode */
  .vc-month-calendar__day-content {
    display: block;
    flex: 1;
    padding: 0;
    overflow: visible;
  }

  /* Hide dots in vertical view, show full events */
  .vc-month-calendar__event-dots {
    display: none;
  }

  /* Events display inline in vertical mode */
  .vc-month-calendar__event {
    display: inline-flex;
    margin-right: var(--vc-spacing-1);
    margin-bottom: 0;
    font-size: var(--vc-font-size-xs);
    max-width: 160px;
    padding: 2px 6px;
  }

  .vc-month-calendar__event-title {
    display: inline;
  }

  .vc-month-calendar__event-time {
    display: none;
  }

  /* Other month days less prominent */
  .vc-month-calendar__day--other-month {
    opacity: 0.4;
  }

  /* Mini calendar stays compact grid */
  .vc-mini-calendar__day-btn {
    font-size: 9px;
  }

  .vc-mini-calendar__weekday {
    font-size: 8px;
  }
}

/* ================================
   Utility Classes
   ================================ */
.vc-hidden {
  display: none !important;
}

.vc-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}