/**
 * Application Layout - Family Meal Planner
 * Main layout styles and responsive design
 */

/* === APP CONTAINER === */

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* === HEADER === */

.app-header {
  position: sticky;
  top: 0;
  z-index: 1000; /* Higher than menu-backdrop (999) to ensure menu toggle is clickable */
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-primary);
  box-shadow: var(--shadow-sm);
  padding-left: var(--safe-area-inset-left);
  padding-right: var(--safe-area-inset-right);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  max-width: 100%;
  margin: 0 auto;
  gap: var(--space-4);
}

.app-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* === MAIN CONTENT === */

.app-main {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-6);
  flex: 1;
  padding: var(--space-6);
  margin: 0 auto;
  width: 100%;
  min-height: calc(100vh - 80px);
}

/* === SIDEBAR === */
/* Pattern: Uses .elevated-surface-sm pattern (background, border, border-radius, box-shadow) */

.app-sidebar {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  height: fit-content;
  position: sticky;
  top: calc(80px + var(--space-6));
  box-shadow: var(--shadow-sm);
}

.sidebar-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sidebar-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border-primary);
}

.family-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.family-member {
  padding: var(--space-3);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.family-member:hover {
  border-color: var(--color-border-secondary);
  box-shadow: var(--shadow-sm);
}

.member-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.member-restrictions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

/* === WEEKLY PLANNER === */
/* Pattern: Uses .elevated-surface-sm pattern (background, border, border-radius, box-shadow) */

.weekly-planner {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  min-height: 600px;
}

.week-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-primary);
  gap: var(--space-4);
}

.current-week {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  text-align: center;
  flex: 1;
}

.weekly-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-4);
  min-height: 400px;
}

.day-column {
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: all var(--transition-base);
  min-height: 300px;
}

.day-column:hover {
  border-color: var(--color-border-secondary);
  box-shadow: var(--shadow-sm);
}

.day-header {
  text-align: center;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border-primary);
}

.day-name {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.day-date {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.meal-slots {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.meal-slot {
  padding: var(--space-2);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.meal-slot:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xs);
  transform: translateY(-1px);
}

.meal-slot.assigned {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
}

.meal-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.meal-recipe {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.meal-placeholder {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

/* Swipe indicator styles for Weekly Grid */
.weekly-grid.swiping-left {
  transform: translateX(-10px);
  opacity: 0.9;
  transition:
    transform 0.15s,
    opacity 0.15s;
}

.weekly-grid.swiping-right {
  transform: translateX(10px);
  opacity: 0.9;
  transition:
    transform 0.15s,
    opacity 0.15s;
}

.weekly-grid.swiping-up {
  transform: translateY(-10px);
  opacity: 0.9;
  transition:
    transform 0.15s,
    opacity 0.15s;
}

.weekly-grid.swiping-down {
  transform: translateY(10px);
  opacity: 0.9;
  transition:
    transform 0.15s,
    opacity 0.15s;
}

/* === RESPONSIVE DESIGN === */

/* Mobile First: Single column layout */
@media (max-width: 767px) {
  .app-main {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-4);
    padding-bottom: calc(var(--space-4) + var(--safe-area-inset-bottom));
  }

  .app-sidebar {
    position: static;
    order: 2;
    margin-top: var(--space-4);
  }

  .weekly-planner {
    order: 1;
  }

  .weekly-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .day-column {
    min-height: 200px;
  }

  .header-content {
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-3);
  }

  .header-nav {
    width: 100%;
    justify-content: center;
  }

  .app-title {
    font-size: var(--font-size-xl);
    text-align: center;
  }

  .week-navigation {
    flex-direction: column;
    gap: var(--space-3);
  }

  .current-week {
    font-size: var(--font-size-lg);
  }
}

/* Tablet: 2-3 column grid */
@media (min-width: 768px) and (max-width: 1023px) {
  .app-main {
    grid-template-columns: 250px 1fr;
    gap: var(--space-4);
  }

  .weekly-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .header-nav {
    flex-wrap: nowrap;
  }
}

/* Desktop: Full 7-day grid */
@media (min-width: 1024px) {
  .app-main {
    grid-template-columns: 300px 1fr;
    gap: var(--space-6);
  }

  .weekly-grid {
    grid-template-columns: repeat(7, 1fr);
  }

  .header-nav {
    flex-wrap: nowrap;
  }
}

/* Wide screens: Center content */
@media (min-width: 1400px) {
  .app-main {
    max-width: 1400px;
    margin: 0 auto;
  }

  .header-content {
    max-width: 1400px;
  }
}

/* === SAFE AREAS (iOS) === */

@supports (padding: max(0px)) {
  .app-header {
    padding-top: max(var(--space-4), var(--safe-area-inset-top));
    padding-left: max(var(--space-6), var(--safe-area-inset-left));
    padding-right: max(var(--space-6), var(--safe-area-inset-right));
  }

  .app-main {
    padding-bottom: max(var(--space-6), var(--safe-area-inset-bottom));
  }
}

/* === LOADING STATES === */

.app-loading {
  opacity: 0.6;
  pointer-events: none;
}

.app-loading .weekly-grid,
.app-loading .family-list {
  opacity: 0.5;
}

/* === EMPTY STATES === */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
  min-height: 200px;
}

.empty-state-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* === ACCESSIBILITY === */

/* Focus management */
.app-main:focus-within {
  outline: none;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .day-column,
  .meal-slot,
  .family-member {
    border-width: 2px;
  }

  .app-header {
    border-bottom-width: 2px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .day-column,
  .meal-slot,
  .family-member {
    transition: none;
  }

  .meal-slot:hover {
    transform: none;
  }
}

/* === PRINT STYLES === */

@media print {
  .app-header {
    display: none;
  }

  .app-sidebar {
    display: none;
  }

  .app-main {
    grid-template-columns: 1fr;
    padding: 0;
    gap: 0;
  }

  .weekly-planner {
    box-shadow: none;
    border: none;
    padding: 0;
  }

  .weekly-grid {
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-2);
  }

  .day-column {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

/* === VIEW SYSTEM === */

.view {
  display: none;
  padding: var(--space-6);
}

.view.active {
  display: block;
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-primary);
}

.view-header h2 {
  margin: 0;
  color: var(--color-text-primary);
}

/* === NAVIGATION === */

.main-nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-4);
}

.main-nav-list li {
  margin: 0;
}

.main-nav-list a {
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast);
}

.main-nav-list a:hover,
.main-nav-list a:focus {
  background-color: var(--color-bg-secondary);
  text-decoration: none;
}

.main-nav-list a.active {
  background-color: var(--color-bg-secondary);
  font-weight: var(--font-weight-medium);
}

/* Menu backdrop overlay */
.menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 999;
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base);
}

.menu-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Mobile Navigation */
@media (max-width: var(--breakpoint-md)) {
  .main-nav-list {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    flex-direction: column;
    padding: var(--space-4);
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--color-border-primary);
    opacity: 0;
    transform: translateY(-10px);
    visibility: hidden;
    z-index: 1000;
    transition:
      opacity var(--transition-base),
      transform var(--transition-base),
      visibility var(--transition-base);
  }

  .main-nav-list.is-open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }

  .main-nav-list a {
    display: block;
    padding: var(--space-3);
    border-radius: var(--border-radius-sm);
  }
}

/* === SETTINGS === */

.settings-content {
  max-width: 100%; /* Base: Full width on mobile */
  margin: 0 auto;
}

@media (min-width: 600px) {
  .settings-content {
    max-width: 600px; /* Tablet+: Apply constraint */
  }
}

.settings-section {
  margin-bottom: var(--space-8);
}

.settings-section h3 {
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.settings-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.profile-sync-panel {
  padding: var(--space-4);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
}

.profile-sync-status-label {
  margin-right: var(--space-2);
}

/* === LOADING AND ERROR STATES === */

.loading-state,
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  text-align: center;
}

.loading-state .spinner {
  margin-bottom: var(--space-4);
}

.error-state .error-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.error-state h2 {
  margin-bottom: var(--space-4);
  color: var(--color-error);
}

.error-state p {
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
}

/* === C0d ANONYMOUS DURABILITY WARNING === */

.env-tier-banner {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--space-2) var(--space-4);
  text-align: center;
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  background: var(--color-warning-100, #fef3c7);
  color: var(--color-warning-800, #92400e);
  border-bottom: 2px solid var(--color-warning-500, #f59e0b);
}

.anonymous-durability-warning {
  margin: var(--space-3) var(--space-4) 0;
  padding: var(--space-3) var(--space-4);
  background: color-mix(in srgb, var(--color-warning, #b45309) 12%, var(--color-bg-primary));
  border-left: 3px solid var(--color-warning, #b45309);
  color: var(--color-text-primary);
}

.anonymous-durability-warning[hidden] {
  display: none !important;
}

.anonymous-durability-warning__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--space-3);
  justify-content: space-between;
}

.anonymous-durability-warning__headline {
  display: block;
  font-size: var(--font-size-base);
  margin-bottom: var(--space-1);
}

.anonymous-durability-warning__summary {
  margin: 0 0 var(--space-2);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.anonymous-durability-warning__details {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-5);
  font-size: var(--font-size-sm);
}

.anonymous-durability-warning__dismiss {
  flex-shrink: 0;
}