/* Layout - Shell (Topbar + Sidebar) */

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Topbar */
.topbar {
  height: var(--header-height);
  background-color: var(--color-primary);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  box-shadow: var(--shadow-md);
  z-index: var(--z-fixed);
  position: relative;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
}

.topbar-logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-light);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.topbar-logo-image {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  object-fit: contain;
  background-color: #ffffff;
}

.topbar-logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-light);
}

.topbar-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.topbar-search-input {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-md) var(--spacing-xs) 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.topbar-search-input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.topbar-search-input:focus {
  outline: 0;
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.topbar-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-light);
  position: relative;
  transition: background-color var(--transition-base);
  background-color: transparent;
  border: none;
}

.topbar-icon:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Sidebar Toggle Button - Estados específicos */
#sidebarToggle {
  background-color: transparent !important;
  border: none !important;
  outline: none;
  padding: 0;
  margin: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

#sidebarToggle:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
}

#sidebarToggle:active {
  background-color: rgba(255, 255, 255, 0.15) !important;
}

#sidebarToggle:focus {
  outline: none !important;
  box-shadow: none !important;
}

#sidebarToggle:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

/* Estado ativo quando sidebar está aberta (mobile) */
@media (max-width: 768px) {
  /* Quando sidebar está aberta, botão fica azul */
  body.sidebar-open #sidebarToggle {
    background-color: var(--color-primary) !important;
    color: var(--color-text-light) !important;
  }
  
  /* Hover quando sidebar está aberta */
  body.sidebar-open #sidebarToggle:hover {
    background-color: var(--color-primary-dark) !important;
  }
  
  /* Hover quando sidebar está fechada */
  #sidebarToggle:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
  }
}

.topbar-icon-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background-color: var(--color-danger);
  color: var(--color-text-light);
  border-radius: var(--radius-full);
  font-size: 10px;
  padding: 2px 6px;
  min-width: 18px;
  text-align: center;
  font-weight: var(--font-weight-bold);
}

.topbar-profile {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-base);
  position: relative;
}

.topbar-profile:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.topbar-profile-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
}

.topbar-profile-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-xs));
  right: 0;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: var(--z-dropdown);
  overflow: hidden;
}

.topbar-profile-dropdown-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-base);
  font-size: var(--font-size-sm);
}

.topbar-profile-dropdown-item:hover {
  background-color: var(--color-bg-light);
}

.topbar-role-selector {
  position: relative;
}

/* Mobile lock: label fixo "INSTRUTOR" sem dropdown */
.topbar-role-selector-mobile-lock .topbar-role-label-fixed {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.topbar-role-selector-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-light);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: background-color var(--transition-base);
}

.topbar-role-selector-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.topbar-role-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-xs));
  right: 0;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: var(--z-dropdown);
  display: none;
}

.topbar-role-dropdown.show {
  display: block;
}

.topbar-role-dropdown-item {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: background-color var(--transition-base);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.topbar-role-dropdown-item:hover {
  background-color: var(--color-bg-light);
}

.topbar-role-dropdown-item.active {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.role-label-desktop {
  display: inline;
}

.role-label-mobile {
  display: none;
}

/* Main Layout */
.app-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-collapsed-width);
  background-color: var(--color-bg);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-slow);
  overflow: hidden;
  z-index: var(--z-sticky);
}

/* Desktop: Expand on hover (even if manually collapsed) */
@media (min-width: 769px) and (pointer: fine) {
  .sidebar:hover {
    width: var(--sidebar-width);
  }
  
  .sidebar:hover .sidebar-menu-label {
    display: block !important;
  }
  
  .sidebar:hover .sidebar-menu-item {
    justify-content: flex-start !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
  }
}

/* Manual collapse state (desktop) - still expands on hover */
.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-menu {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md) 0;
}

.sidebar-menu-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--transition-base);
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  position: relative;
}

.sidebar-menu-item:hover {
  background-color: var(--color-bg-light);
}

.sidebar-menu-item.active {
  background-color: rgba(2, 58, 141, 0.1);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.sidebar-menu-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--color-primary);
}

.sidebar-menu-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-menu-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Desktop: Hide labels when collapsed (default state) */
@media (min-width: 769px) {
  .sidebar-menu-label {
    display: none;
  }
  
  .sidebar-menu-item {
    justify-content: center;
    padding: var(--spacing-sm);
  }
}

/* Content Area */
.content-area {
  flex: 1;
  overflow-y: auto;
  background-color: var(--color-bg-light);
  padding: var(--spacing-lg);
}

.content-header {
  margin-bottom: var(--spacing-lg);
}

.content-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.content-subtitle {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

/* Mobile Sidebar (Drawer) */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
}

.sidebar-overlay.show {
  display: block;
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: var(--z-modal);
  }

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

  .sidebar.collapsed {
    width: var(--sidebar-width);
  }
  
  /* Mobile: Always show labels */
  .sidebar-menu-label {
    display: block;
  }
  
  .sidebar-menu-item {
    justify-content: flex-start;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .topbar-search {
    display: none;
  }

  .content-area {
    padding: var(--spacing-md);
  }
}

/* Header / role selector ajustes finos para mobile estreito (ex.: 375px) */
@media (max-width: 480px) {
  .topbar {
    padding: 0 var(--spacing-sm);
  }

  .topbar-left {
    gap: var(--spacing-sm);
  }

  .topbar-right {
    gap: var(--spacing-sm);
  }

  .topbar-role-selector-btn {
    max-width: 150px;
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-xs);
  }

  .topbar-role-dropdown {
    min-width: 180px;
  }

  /* Mobile: mostrar apenas chip curto do modo (ADMIN/INSTRUTOR) */
  .role-label-desktop {
    display: none;
  }

  .role-label-mobile {
    display: inline;
  }

  /* No mobile, esconder texto da logo para ganhar espaço (ficar só o ícone) */
  .topbar-logo-text {
    display: none;
  }
}