/* App Shell Layout */

.app-container {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: var(--z-sidebar);
  transition: width var(--transition-normal), transform var(--transition-normal);
  overflow-y: auto;
  border-right: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.sidebar-brand-text {
  display: flex;
  flex-direction: column;
}
.sidebar-brand-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.5px;
}
.sidebar-brand-subtitle {
  font-size: 10px;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Navigation Groups */
.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #64748b;
  padding: 10px 12px 4px;
  font-weight: 700;
}

/* Groupes de navigation dépliants */
.nav-group {
  border-radius: var(--radius-md);
  margin-bottom: 2px;
}
.nav-group > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #64748b;
  padding: 10px 12px 6px;
  font-weight: 800;
  user-select: none;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast);
}
.nav-group > summary::-webkit-details-marker {
  display: none;
}
.nav-group > summary:hover {
  color: var(--primary);
}
.nav-group > summary::after {
  content: '❯';
  font-size: 9px;
  transform: rotate(90deg);
  transition: transform var(--transition-fast);
  color: #94a3b8;
}
.nav-group[open] > summary::after {
  transform: rotate(-90deg);
}
.nav-group .nav-link {
  padding-left: 20px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  color: var(--text-sidebar);
  font-size: 13.5px;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.nav-link:hover {
  background-color: var(--bg-muted);
  color: var(--primary);
  transform: translateX(4px);
}

.nav-link.active {
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.nav-icon {
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
}

.nav-badge {
  margin-left: auto;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: white;
  font-weight: 700;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--border-color);
  background: transparent;
}

.user-mini-card {
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-avatar-mini {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: #334155;
  color: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  border: 2px solid rgba(255, 255, 255, 0.15);
}
.user-info-mini {
  flex: 1;
  overflow: hidden;
}
.user-name-mini {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.user-role-mini {
  font-size: 10.5px;
  color: #38bdf8;
  font-weight: 500;
}

/* Main Content Area */
.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-normal);
}

/* Top App Header */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sidebar-toggle-btn {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.sidebar-toggle-btn:hover {
  background-color: var(--bg-muted);
  color: var(--text-main);
}

.page-breadcrumb {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-title-current {
  font-weight: 700;
  color: var(--text-main);
  font-size: 16px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-icon-btn {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.header-icon-btn:hover {
  background-color: var(--bg-muted);
  color: var(--text-main);
}

.notif-bell-badge {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: var(--radius-full);
  background-color: #dc2626;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  line-height: 17px;
  text-align: center;
  pointer-events: none;
  box-shadow: 0 0 0 2px var(--bg-header);
}

.offline-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--warning-light);
  color: var(--warning);
  border: 1px solid var(--warning);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 700;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.6; }
  100% { opacity: 1; }
}

.role-switcher-select {
  padding: 6px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  outline: none;
}
.role-switcher-select:focus {
  border-color: var(--primary);
}

.theme-toggle-btn {
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-main);
  font-size: 16px;
  transition: all var(--transition-fast);
}
.theme-toggle-btn:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

/* Page Content View */
.app-content {
  flex: 1;
  padding: 24px;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

/* Mobile Bottom Navigation (Visible on mobile screens) */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  z-index: var(--z-header);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.06);
}

.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  text-decoration: none;
  gap: 3px;
}
.mobile-nav-item.active {
  color: var(--primary);
}
.mobile-nav-icon {
  font-size: 18px;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .app-sidebar {
    transform: translateX(-100%);
  }
  .app-sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }
  .app-main {
    margin-left: 0;
  }
  .mobile-bottom-nav {
    display: flex;
  }
  .app-content {
    padding: 16px;
    padding-bottom: calc(var(--bottom-nav-height) + 20px);
  }
}