/* Layout Shell */

/* Auth layout (login/register) */
.auth-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--bg-body) 50%, var(--color-primary-light) 100%);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-10);
}

.auth-logo {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-8);
}

.auth-logo svg {
  height: 36px;
  width: auto;
  color: var(--text-primary);
}

/* App layout (authenticated) */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  color: var(--sidebar-text);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sidebar);
  transition: transform var(--transition-slow), width var(--transition-slow);
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  padding: var(--space-5) var(--space-5);
  height: var(--topbar-height);
  border-bottom: 1px solid var(--sidebar-separator);
  flex-shrink: 0;
}

.sidebar-logo-img {
  height: 28px;
  width: auto;
  filter: var(--sidebar-logo-filter);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3) 0;
}

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

.sidebar-nav::-webkit-scrollbar-thumb {
  background: var(--sidebar-scrollbar);
  border-radius: 4px;
}

.sidebar-section {
  padding: var(--space-2) var(--space-4);
}

.sidebar-section-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sidebar-section-label);
  padding: var(--space-3) var(--space-3);
  margin-top: var(--space-2);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--sidebar-text);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.sidebar-link:hover {
  color: var(--sidebar-text-hover);
  background: var(--sidebar-hover-bg);
}

.sidebar-link.active {
  color: var(--sidebar-text-active);
  background: var(--color-primary);
}

.sidebar-link.highlighted {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary), #7C3AED);
}

.sidebar-link.highlighted:hover {
  opacity: 0.9;
}

.sidebar-link .icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-link .badge {
  margin-left: auto;
  background: var(--color-primary);
  color: white;
  font-size: var(--font-size-xs);
  padding: 1px 6px;
  border-radius: var(--border-radius-full);
}

.sidebar-link.active .badge {
  background: rgba(255, 255, 255, 0.25);
}

.sidebar-sub-links {
  padding-left: var(--space-8);
}

.sidebar-sub-links .sidebar-link {
  font-size: var(--font-size-xs);
  padding: 6px var(--space-3);
}

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

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.sidebar-user:hover {
  background: var(--sidebar-hover-bg);
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-full);
  background: var(--sidebar-avatar-bg);
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--sidebar-user-name);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-email {
  font-size: var(--font-size-xs);
  color: var(--sidebar-user-email);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-sidebar) - 1);
}

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

/* Main content area */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-height);
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  z-index: var(--z-topbar);
  flex-shrink: 0;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.topbar-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.topbar-hamburger:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.topbar-breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.topbar-breadcrumbs a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.topbar-breadcrumbs a:hover {
  color: var(--text-primary);
}

.topbar-breadcrumbs .separator {
  color: var(--text-tertiary);
}

.topbar-breadcrumbs .current {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.topbar-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}

.topbar-icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.topbar-icon-btn .icon {
  width: 20px;
  height: 20px;
}

.topbar-notification-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background: var(--color-danger);
  border-radius: var(--border-radius-full);
  border: 2px solid var(--bg-topbar);
}

.topbar-user-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.topbar-user-btn:hover {
  background: var(--bg-hover);
}

.topbar-user-btn .icon {
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
}

.topbar-breadcrumbs .separator .icon {
  width: 14px;
  height: 14px;
}

/* Project Selector */
.topbar-project-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition-fast);
  max-width: 220px;
}

.topbar-project-selector:hover {
  border-color: var(--color-primary);
  background: var(--bg-hover);
}

.topbar-project-selector .icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.topbar-project-selector .icon:first-child {
  color: var(--color-primary);
}

.topbar-project-selector .icon:last-child {
  color: var(--text-tertiary);
}

.topbar-project-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  text-align: left;
}

.topbar-separator {
  width: 1px;
  height: 24px;
  background: var(--border-color);
  margin: 0 var(--space-1);
}

.topbar-project-dropdown {
  min-width: 260px;
}

.dropdown-header {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

.dropdown-item-active {
  background: var(--color-primary-light);
  color: var(--color-primary) !important;
}

.topbar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-full);
  background: var(--color-gray-200);
  overflow: hidden;
}

.topbar-user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Main content */
.main-content {
  flex: 1;
  padding: var(--space-6) var(--space-8);
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
}

/* Page header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

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

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