/**
 * Modern Calendar CSS
 * Material Design inspired calendar with better UX
 */

.modern-calendar {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  margin: 0;
  flex: 1 1 100%;
  box-sizing: border-box;
}

/* Calendar Header */
.calendar-header {
  background-color: #1E73BE;
  color: white;
  padding: 1rem;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.selected-dates {
  margin-bottom: 1.5rem;
}

/* Compact mobile layout */
@media (max-width: 768px) {
  .selected-dates {
    margin-bottom: 1rem;
  }

  .date-range-display {
    margin-bottom: 0.75rem;
  }

  .month-navigation {
    margin-top: 0.5rem;
  }
}

.date-range-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.start-date,
.end-date {
  flex: 1;
  text-align: center;
  padding: 1rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.start-date.selected,
.end-date.selected {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.date-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

.date-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
}

.date-separator {
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Month Navigation */
.month-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-btn {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.nav-btn:active {
  transform: scale(0.95);
}

.nav-btn.disabled {
  opacity: 0.3;
  cursor: not-allowed;
  background: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.nav-btn.disabled:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: none;
}

.current-month {
  text-align: center;
}

.month-name {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.year {
  display: block;
  font-size: 1rem;
  opacity: 0.8;
  font-weight: 400;
}

/* Calendar Grid */
.calendar-grid {
  padding: 1rem;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
  width: 100%;
  box-sizing: border-box;
}

.weekday {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.5rem 0;
}

.days-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.25rem;
  width: 100%;
  box-sizing: border-box;
}

.day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  font-weight: 500;
  font-size: 0.9rem;
  color: #2c3e50;
  background: transparent;
  border: 2px solid transparent;
}

.day:hover:not(.disabled) {
  background: #667eea;
  transform: scale(1.05);
}

.day:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.day.today {
  background: #e3f2fd;
  color: #1976d2;
  font-weight: 600;
}

.day.selected {
 background-color: #1E73BE;
  color: white;
  font-weight: 600;
  transform: scale(1.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.day.in-range {
  background-color: #1E73BE;
  color: white;
  font-weight: 500;
}

.day.hover-range {
  background: rgba(102, 126, 234, 0.1);
  border-color: rgba(102, 126, 234, 0.3);
}

.day.other-month {
  color: #adb5bd;
  opacity: 0.5;
}

.day.disabled {
  color: #ced4da;
  cursor: not-allowed;
  opacity: 0.3;
}

.day.disabled:hover {
  background: transparent;
  transform: none;
}

/* Unavailable days styling */
.day.unavailable {
  background-color: #fef2f2;
  color: #dc2626;
  cursor: not-allowed;
  opacity: 0.7;
  text-decoration: line-through;
}

.day.unavailable:hover {
  background-color: #fef2f2;
  cursor: not-allowed;
  transform: none;
}

.day.unavailable.selected {
  background-color: #dc2626;
  color: #ffffff;
  opacity: 0.8;
}

/* Range selection with unavailable days */
.day.unavailable.in-range {
  background-color: #fef2f2;
  color: #dc2626;
  opacity: 0.7;
}

.day.unavailable.in-range:hover {
  background-color: #fef2f2;
  cursor: not-allowed;
}

.day-number {
  position: relative;
  z-index: 1;
}

/* Calendar Footer */
.calendar-footer {
  padding: 1rem;
  background: #f8f9fa;
  border-top: 1px solid #e9ecef;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.clear-dates,
.apply-dates {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  flex: 1;
}

.clear-dates {
  background: #e9ecef;
  color: #6c757d;
}

.clear-dates:hover:not(:disabled) {
  background: #dee2e6;
  transform: translateY(-1px);
}

.clear-dates:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.apply-dates {
  background-color: #1E73BE;
  color: white;
}

.apply-dates:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}

.apply-dates:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: #adb5bd;
}

/* Responsive Design */
@media (max-width: 768px) {
  .modern-calendar {
    margin: 0;
    border-radius: 0;
  }

  .calendar-header {
    padding: 0.75rem;
    border-radius: 0;
  }

  .calendar-grid {
    padding: 0.75rem;
  }

  .calendar-footer {
    padding: 0.75rem;
    border-radius: 0;
  }

  /* Compact layout for tablets */
  .date-range-display {
    margin-bottom: 1rem;
  }

  .month-navigation {
    margin-top: 0.75rem;
  }
}

@media (max-width: 480px) {
  .modern-calendar {
    max-width: 100%;
    border-radius: 0;
    margin: 0;
  }

  .calendar-header {
    padding: 0.5rem;
  }

  .date-range-display {
    flex-direction: row;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
  }

  .start-date,
  .end-date {
    padding: 0.5rem;
    flex: 1;
  }

  .month-name {
    font-size: 1.1rem;
  }

  .calendar-grid {
    padding: 0.5rem;
  }

  .day {
    font-size: 0.8rem;
    aspect-ratio: 1;
    min-height: 32px;
  }

  .calendar-footer {
    padding: 0.75rem;
    flex-direction: row;
    gap: 0.5rem;
  }

  .clear-dates,
  .apply-dates {
    flex: 1;
    padding: 0.5rem;
    font-size: 0.85rem;
  }

  /* Mobile-specific spacing */
  .weekdays {
    gap: 0.2rem;
    margin-bottom: 0.5rem;
  }

  .days-grid {
    gap: 0.15rem;
  }

  /* Compact month navigation */
  .month-navigation {
    margin-top: 0.5rem;
  }

  .nav-btn {
    width: 32px;
    height: 32px;
  }

  .nav-btn.disabled {
    opacity: 0.2;
    pointer-events: none;
  }
}

/* Animation Classes */
.modern-calendar {
  animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Focus States for Accessibility */
.day:focus-visible {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

.nav-btn:focus-visible {
  outline: 2px solid white;
  outline-offset: 2px;
}

.clear-dates:focus-visible,
.apply-dates:focus-visible {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .modern-calendar {
    background: #1a1a1a;
    color: #ffffff;
  }

  .calendar-grid {
    background: #1a1a1a;
  }

  .day {
    color: #ffffff;
  }

  .day:hover:not(.disabled) {
    background: #2a2a2a;
  }

  .day.other-month {
    color: #666666;
  }

  .weekday {
    color: #999999;
  }

  .calendar-footer {
    background: #2a2a2a;
    border-top-color: #333333;
  }

  .clear-dates {
    background: #333333;
    color: #cccccc;
  }

  .clear-dates:hover:not(:disabled) {
    background: #444444;
  }

  /* Dark mode disabled navigation buttons */
  .nav-btn.disabled {
    opacity: 0.2;
    background: rgba(255, 255, 255, 0.03);
    pointer-events: none;
  }

  .nav-btn.disabled:hover {
    background: rgba(255, 255, 255, 0.03);
  }

  /* Dark mode unavailable days */
  .day.unavailable {
    background-color: #2d1b1b;
    color: #f87171;
    opacity: 0.8;
  }

  .day.unavailable.selected {
    background-color: #dc2626;
    color: #ffffff;
    opacity: 0.9;
  }

  .day.unavailable.in-range {
    background-color: #2d1b1b;
    color: #f87171;
    opacity: 0.8;
  }
}

.phb-calendar-skeleton {
  display: block;
  width: 100%;
  background: #f1f3f5;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 12px;
}

.phb-skel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.phb-skel-title,
.phb-skel-cta {
  display: inline-block;
  height: 16px;
  background: #e9ecef;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

.phb-skel-title { width: 40%; height: 18px; }
.phb-skel-cta { width: 80px; height: 28px; }

.phb-skel-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.phb-skel-cell {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #e9ecef;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

.phb-skel-title::after,
.phb-skel-cta::after,
.phb-skel-cell::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(233,236,239,0) 0%, rgba(255,255,255,0.8) 50%, rgba(233,236,239,0) 100%);
  transform: translateX(-100%);
  animation: phb-skel-shimmer 1.2s infinite;
}

@keyframes phb-skel-shimmer {
  100% { transform: translateX(100%); }
}