/* =============================================================================
   RESPONSIVE STYLES
   ============================================================================= */

/* Medium screens - narrower sidebar */
@media (max-width: 1100px) {
  .full-calendar-view,
  .focus-calendar-view {
    grid-template-columns: 1fr 280px;
  }
}

/* Tablet (iPad mini portrait ~768px) */
@media (max-width: 900px) {
  /* Stack main calendar views */
  .full-calendar-view,
  .focus-calendar-view {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  
  .month-section,
  .focus-section {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }
  
  .calendar-sidebar {
    max-height: 40vh;
  }
  
  /* Compact view - flip layout: agenda on top, mini calendar below */
  .compact-calendar-view {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  
  .mini-month-section {
    border-right: none;
    border-top: 1px solid var(--border-light);
    order: 2; /* Push mini calendar below agenda */
    max-height: 180px; /* Shorter mini calendar */
    overflow-y: auto;
    padding: var(--space-xs);
  }
  
  .agenda-section {
    order: 1; /* Agenda first */
    border-bottom: none;
    min-height: 0;
    flex: 1;
  }
  
  /* Shrink mini calendar grid significantly */
  .mini-month-grid {
    padding: var(--space-xs);
    gap: 1px;
    font-size: var(--font-size-xs);
  }
  
  .mini-day {
    font-size: 0.7rem;
    padding: 2px;
  }
  
  .mini-month-header {
    padding: var(--space-xs);
  }
  
  .mini-month-title {
    font-size: var(--font-size-sm);
  }
  
  /* Hide compact filters on tablet - use header selector instead */
  .compact-filters {
    display: none;
  }
  
  /* Header stacks on smaller screens */
  .app-header {
    flex-wrap: wrap;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
  }
  
  .header-class-selector {
    order: 10;
    width: 100%;
    padding-top: var(--space-xs);
    border-top: 1px solid var(--border-light);
    margin-top: var(--space-xs);
    overflow-x: auto;
  }
  
  .header-class-selector .class-groups {
    flex-wrap: nowrap;
  }
  
  /* Reduce focus grid to show fewer events but larger */
  .focus-days .day-event {
    -webkit-line-clamp: 2;
  }
  
  /* Make agenda events more prominent */
  .agenda-event {
    padding: var(--space-sm) var(--space-md);
  }
  
  .agenda-event-title {
    font-size: var(--font-size-base);
  }
}

/* Small tablets / large phones */
@media (max-width: 700px) {
  .app-header {
    flex-wrap: wrap;
    padding: var(--space-xs) var(--space-sm);
  }
  
  .app-title {
    font-size: var(--font-size-lg);
  }
  
  .header-tabs {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-top: var(--space-xs);
  }
  
  .header-controls {
    order: 2;
  }
  
  .month-header {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }
  
  .month-title {
    font-size: var(--font-size-lg);
    width: 100%;
  }
  
  /* Smaller class group buttons */
  .class-group {
    padding: 3px 6px;
  }
  
  .class-group-label {
    font-size: 0.7rem;
    padding-right: 4px;
  }
  
  .section-toggle {
    padding: 2px 4px;
    font-size: 0.65rem;
  }
  
  .section-toggle .section-dot {
    width: 5px;
    height: 5px;
  }
  
  /* Day events */
  .day-event {
    font-size: 0.7rem;
    padding: 2px 4px;
    -webkit-line-clamp: 2;
  }
  
  /* Compact filters in sidebar */
  .compact-filters {
    padding: var(--space-xs);
  }
  
  .compact-groups .class-group {
    padding: 4px 6px;
  }
}

/* Phone screens */
@media (max-width: 500px) {
  .header-controls {
    gap: var(--space-xs);
  }
  
  .control-label {
    display: none;
  }
  
  .font-btn {
    min-width: 24px;
  }
  
  .weekday-header {
    font-size: var(--font-size-xs);
    padding: 2px;
  }
  
  .day-number {
    font-size: var(--font-size-xs);
  }
  
  .day-event {
    font-size: 0.65rem;
    padding: 1px 4px;
    -webkit-line-clamp: 1;
  }
  
  /* Hide class selector on very small screens, keep All/None */
  .header-class-selector .class-groups {
    display: none;
  }
  
  .compact-groups {
    display: flex !important;
  }
  
  /* Make modals full-width */
  .event-modal,
  .day-modal {
    max-width: 100%;
    margin: var(--space-sm);
    max-height: 90vh;
  }
}

/* =============================================================================
   REDUCED MOTION
   ============================================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =============================================================================
   HIGH CONTRAST MODE
   ============================================================================= */
@media (prefers-contrast: more) {
  :root {
    --border-light: #737373;
    --border-medium: #525252;
  }
  
  .control-btn,
  .tab-btn,
  .cal-toggle,
  .month-nav-btn {
    border-width: 2px;
  }
  
  .day-event,
  .upcoming-event,
  .agenda-event {
    border-left-width: 5px;
  }
}

/* =============================================================================
   PRINT
   ============================================================================= */
@media print {
  .app-header,
  .calendar-filters,
  .class-selector-bar {
    display: none;
  }
  
  .full-calendar-view,
  .focus-calendar-view {
    display: block;
  }
  
  .calendar-sidebar {
    display: none;
  }
  
  .month-section,
  .focus-section {
    border: none;
  }
  
  .month-day {
    border-color: #ccc;
  }
  
  .day-event {
    -webkit-line-clamp: unset;
  }
}