/* MFA Platform - Layout Styles */

/* ===== 应用容器 ===== */
.app {
  display: flex;
  min-height: 100vh;
  background-color: var(--color-bg-page);
}

/* ===== 侧边栏 ===== */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-card);
  border-right: 1px solid var(--color-border);
  transition: width var(--transition-base), transform var(--transition-base);
  z-index: var(--z-fixed);
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
  min-width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-logo-text,
.sidebar.collapsed .sidebar-menu-title,
.sidebar.collapsed .sidebar-menu-text,
.sidebar.collapsed .sidebar-user-info {
  display: none;
}

.sidebar.collapsed .sidebar-logo {
  justify-content: center;
  padding: var(--spacing-4);
}

.sidebar.collapsed .sidebar-menu-group {
  padding: var(--spacing-2);
}

.sidebar.collapsed .sidebar-menu-item {
  justify-content: center;
  padding: var(--spacing-3);
  margin: var(--spacing-1) 0;
}

/* Logo */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  height: var(--topbar-height);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* 菜单 */
.sidebar-menu {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-3) 0;
}

.sidebar-menu-group {
  padding: var(--spacing-2) var(--spacing-3);
}

.sidebar-menu-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-placeholder);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--spacing-2) var(--spacing-3);
}

.sidebar-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  margin: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-md);
  color: var(--color-text-regular);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.sidebar-menu-item.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-medium);
}

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

.sidebar-menu-text {
  white-space: nowrap;
}

.sidebar-menu-badge {
  margin-left: auto;
  padding: 2px 8px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-danger);
  color: white;
  border-radius: var(--radius-full);
}

/* 用户信息 */
.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  border-top: 1px solid var(--color-border);
}

.sidebar-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}

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

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

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

/* 侧边栏页脚 */
.sidebar-footer {
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--color-bg-page);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.sidebar-footer-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: 11px;
  color: var(--color-text-placeholder);
}

.sidebar-footer-item svg {
  opacity: 0.6;
}

.sidebar.collapsed .sidebar-footer {
  display: none;
}

/* ===== 主内容区域 ===== */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-base);
}

.sidebar.collapsed ~ .main {
  margin-left: var(--sidebar-collapsed-width);
}

/* ===== 顶部栏 ===== */
.topbar {
  height: var(--topbar-height);
  background-color: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-6);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

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

.topbar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

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

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

.topbar-breadcrumb a {
  color: var(--color-text-secondary);
}

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

.topbar-breadcrumb span {
  color: var(--color-text-primary);
}

.topbar-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-6);
}

.topbar-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
}

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

.topbar-stat-value {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.topbar-stat-value.success { color: var(--color-success); }
.topbar-stat-value.warning { color: var(--color-warning); }
.topbar-stat-value.danger { color: var(--color-danger); }

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

/* 连接状态指示器 */
.conn-status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-hover);
  font-size: 12px;
  color: var(--color-text-secondary);
  user-select: none;
  transition: all var(--transition-fast);
}

.conn-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-text-placeholder);
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.conn-status.connected .conn-status-dot {
  background-color: var(--color-success);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.conn-status.connected .conn-status-label {
  color: var(--color-success);
}

.conn-status.disconnected .conn-status-dot {
  background-color: var(--color-danger);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

.conn-status.disconnected .conn-status-label {
  color: var(--color-danger);
}

.conn-status.connecting .conn-status-dot {
  background-color: var(--color-warning);
  animation: conn-pulse 1.2s ease-in-out infinite;
}

@keyframes conn-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.topbar-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  position: relative;
  transition: all var(--transition-fast);
}

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

.topbar-icon-btn .badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  background-color: var(--color-danger);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-card);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

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

/* ===== 内容区域 ===== */
.content {
  flex: 1;
  padding: var(--spacing-6);
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-6);
}

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

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

/* ===== 页面容器 ===== */
.page {
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main {
    margin-left: 0;
  }
  
  .topbar-stats {
    display: none;
  }
}

@media (max-width: 768px) {
  .content {
    padding: var(--spacing-4);
  }
  
  .content-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-4);
  }
}

/* ===== 遮罩层 ===== */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg-mask);
  z-index: calc(var(--z-fixed) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}