/* ==========================================================================
   Funeraire 360 — Layout Primitives
   Structural components for page layout across all platforms.
   ========================================================================== */

/* ========================================================================
   App Layout — Full Viewport Container
   ======================================================================== */

.app-layout {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  background-color: var(--color-bg);
}

/* ========================================================================
   Sidebar (B2B Desktop)
   ======================================================================== */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 260px;
  display: flex;
  flex-direction: column;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  z-index: var(--z-fixed);
  transition: width var(--transition-normal), transform var(--transition-normal);
  overflow: hidden;
}

.sidebar--collapsed {
  width: 72px;
}

.sidebar--collapsed .sidebar-label,
.sidebar--collapsed .sidebar-header-text,
.sidebar--collapsed .sidebar-section-title {
  display: none;
}

.sidebar--collapsed .sidebar-item {
  justify-content: center;
  padding: var(--space-3);
}

.sidebar--collapsed .sidebar-item-icon {
  margin-right: 0;
}

/* Sidebar header */
.sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
  min-height: 64px;
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.sidebar-header-text {
  flex: 1;
  min-width: 0;
}

.sidebar-header-title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-header-subtitle {
  font-size: var(--text-xs);
  opacity: 0.7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Sidebar navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3) 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}

.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.5;
  padding: var(--space-4) var(--space-4) var(--space-2);
  white-space: nowrap;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  margin: 1px var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  border: none;
  background: none;
  width: calc(100% - var(--space-4));
  text-align: left;
  position: relative;
}

.sidebar-item:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
}

.sidebar-item--active {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.15);
  font-weight: var(--font-weight-semibold);
}

.sidebar-item-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.85;
}

.sidebar-item--active .sidebar-item-icon {
  opacity: 1;
}

.sidebar-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-item-badge {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
  flex-shrink: 0;
}

/* Sidebar footer */
.sidebar-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

/* Sidebar toggle button */
.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  z-index: calc(var(--z-fixed) + 1);
  box-shadow: var(--shadow-sm);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
  color: var(--color-text);
  box-shadow: var(--shadow-md);
}

/* ========================================================================
   Main Content Area
   ======================================================================== */

.main-content {
  flex: 1;
  margin-left: 260px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  transition: margin-left var(--transition-normal);
}

.sidebar--collapsed ~ .main-content {
  margin-left: 72px;
}

/* ========================================================================
   Top Bar
   ======================================================================== */

.top-bar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0 var(--space-6);
  height: 56px;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  z-index: var(--z-sticky);
  flex-shrink: 0;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: 1;
  min-width: 0;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.top-bar-search {
  max-width: 400px;
  flex: 1;
}

/* Notification bell */
.notification-bell {
  position: relative;
}

.notification-bell-count {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 16px;
  height: 16px;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  background-color: var(--color-error);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--color-surface);
}

/* User menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.user-menu:hover {
  background-color: var(--color-surface-alt);
}

.user-menu-name {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.user-menu-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Top Bar User Dropdown */
.top-bar-user {
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
  padding: 4px 8px;
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  position: relative;
  transition: background-color 0.15s ease;
  user-select: none;
}

.top-bar-user:hover {
  background-color: var(--color-surface-alt, #f3f4f6);
}

.top-bar-user-name {
  font-size: var(--text-sm, 14px);
  font-weight: var(--font-weight-medium, 500);
  color: var(--color-text, #1f2937);
}

.top-bar-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 240px;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
  z-index: 200;
  padding: 6px;
  animation: dropdownFadeIn 0.15s ease;
}

.top-bar-user--open .top-bar-dropdown {
  display: block;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.top-bar-dropdown__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
}

.top-bar-dropdown__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text, #1f2937);
}

.top-bar-dropdown__role {
  font-size: 12px;
  color: var(--color-text-secondary, #6b7280);
}

.top-bar-dropdown__divider {
  height: 1px;
  background: var(--color-border-light, #f3f4f6);
  margin: 4px 0;
}

.top-bar-dropdown__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--color-text, #374151);
  text-decoration: none;
  border-radius: var(--radius-md, 6px);
  cursor: pointer;
  transition: background-color 0.1s ease;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.top-bar-dropdown__item:hover {
  background-color: var(--color-surface-alt, #f3f4f6);
}

.top-bar-dropdown__item--danger {
  color: var(--color-error, #dc2626);
}

.top-bar-dropdown__item--danger:hover {
  background-color: rgba(239, 68, 68, 0.06);
}

/* ========================================================================
   Page Layout Components
   ======================================================================== */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-6) 0;
  flex-wrap: wrap;
}

.page-header-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: var(--leading-tight);
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.page-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.page-content {
  padding: var(--space-6);
  flex: 1;
}

/* ========================================================================
   Data Table Wrapper (horizontal scroll)
   ======================================================================== */

.data-table-wrapper {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.data-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  flex-wrap: wrap;
}

.data-table-toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.data-table-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.data-table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border-light);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ========================================================================
   Split View (list + detail)
   ======================================================================== */

.split-view {
  display: flex;
  height: calc(100vh - 56px);
  height: calc(100dvh - 56px);
}

.split-view-left {
  width: 380px;
  min-width: 300px;
  max-width: 500px;
  border-right: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.split-view-left-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  flex-shrink: 0;
}

.split-view-left-content {
  flex: 1;
  overflow-y: auto;
}

.split-view-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.split-view-right-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
  flex-shrink: 0;
}

.split-view-right-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
}

/* Split list item */
.split-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.split-list-item:hover {
  background-color: var(--color-surface-alt);
}

.split-list-item--active {
  background-color: rgba(74, 111, 165, 0.08);
  border-left: 3px solid var(--color-primary);
}

/* ========================================================================
   Mobile Tab Bar (Bottom navigation)
   ======================================================================== */

.tab-bar {
  display: flex;
  align-items: stretch;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  gap: 0;
}

/* Mobile bottom tab bar — only for B2C and Agent platforms */
body.platform-b2c .tab-bar,
body.platform-agent .tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  justify-content: space-around;
  border-top: 1px solid var(--color-border-light);
  border-bottom: none;
  z-index: var(--z-fixed);
  padding-bottom: env(safe-area-inset-bottom, 0);
  height: calc(56px + env(safe-area-inset-bottom, 0));
}

.tab-bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  padding: var(--space-2) var(--space-1);
  color: var(--color-text-muted);
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  min-width: 0;
}

.tab-bar-item:hover {
  color: var(--color-primary);
}

.tab-bar-item--active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.tab-bar-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.tab-bar-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.tab-bar-badge {
  position: absolute;
  top: 2px;
  right: 50%;
  transform: translateX(12px);
  min-width: 14px;
  height: 14px;
  font-size: 9px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  background-color: var(--color-error);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
}

/* ========================================================================
   Mobile Drawer (slide-from-left menu)
   ======================================================================== */

.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 80vw;
  background-color: var(--color-surface);
  z-index: var(--z-modal);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
}

.drawer.open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  flex-shrink: 0;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}

.drawer-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  flex-shrink: 0;
}

/* Drawer from right */
.drawer--right {
  left: auto;
  right: 0;
  transform: translateX(100%);
}

.drawer--right.open {
  transform: translateX(0);
}

/* ========================================================================
   Responsive Column Grids
   ======================================================================== */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-4);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* KPI grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}

/* ========================================================================
   Mobile Layout
   ======================================================================== */

.mobile-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 480px;
  margin: 0 auto;
  background-color: var(--color-bg);
  position: relative;
}

.mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  min-height: 56px;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.mobile-header-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  flex: 1;
  text-align: center;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-header-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.mobile-header-action {
  flex-shrink: 0;
}

.mobile-content {
  flex: 1;
  padding: var(--space-4);
  padding-bottom: calc(var(--space-4) + 56px + env(safe-area-inset-bottom, 0));
  overflow-y: auto;
}

.mobile-content--no-tab-bar {
  padding-bottom: var(--space-4);
}

/* ========================================================================
   Section Containers
   ======================================================================== */

.section {
  margin-bottom: var(--space-6);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.section-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ========================================================================
   Responsive Sidebar (mobile collapse)
   ======================================================================== */

@media (max-width: 1023px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .sidebar--collapsed ~ .main-content {
    margin-left: 0;
  }

  .split-view {
    flex-direction: column;
    height: auto;
  }

  .split-view-left {
    width: 100%;
    max-width: none;
    min-width: 0;
    border-right: none;
    border-bottom: 1px solid var(--color-border-light);
    max-height: 40vh;
  }

  .split-view-right {
    min-height: 0;
  }
}

@media (max-width: 767px) {
  .page-header {
    padding: var(--space-4) var(--space-4) 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .page-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .page-content {
    padding: var(--space-4);
  }

  .top-bar {
    padding: 0 var(--space-4);
  }

  .top-bar-search {
    display: none;
  }

  .data-table-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ========================================================================
   Sticky Footer Layout
   ======================================================================== */

.sticky-bottom {
  position: sticky;
  bottom: 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-4) var(--space-6);
  z-index: var(--z-sticky);
}

/* ========================================================================
   Full-page centering (login, error pages)
   ======================================================================== */

.center-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--space-4);
  background-color: var(--color-bg);
}

.center-card {
  width: 100%;
  max-width: 400px;
}