/* sidebar.css - 侧边栏布局样式 */

/* ===== 侧边栏容器 ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: all var(--transition-normal);
}

/* ===== Logo 区域 ===== */
.sidebar-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--text-primary);
}

.sidebar-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

/* ===== 导航菜单 ===== */
.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
}

.nav-section {
  margin-bottom: var(--spacing-lg);
}

.nav-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin-bottom: var(--spacing-xs);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: var(--radius-full);
  transition: height var(--transition-fast);
}

.nav-link:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
}

.nav-link:hover::before {
  height: 50%;
}

.nav-link.active {
  background: var(--glass-bg-active);
  color: var(--text-primary);
}

.nav-link.active::before {
  height: 60%;
}

.nav-link-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.nav-link-text {
  font-size: 0.9375rem;
  font-weight: 500;
  white-space: nowrap;
}

.nav-link-badge {
  margin-left: auto;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: var(--radius-full);
}

/* ===== 用户区域 ===== */
.sidebar-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
}

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

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

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

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

.user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.user-role-badge {
  font-size: 0.75rem;
  flex-shrink: 0;
}

.user-role-badge.superadmin {
  color: #f59e0b;
  filter: drop-shadow(0 1px 2px rgba(245, 158, 11, 0.3));
}

.user-role-badge.moderator {
  color: var(--primary);
  filter: drop-shadow(0 1px 2px rgba(99, 102, 241, 0.3));
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.user-role.admin {
  color: var(--warning);
}

/* ===== 折叠按钮 ===== */
.sidebar-toggle {
  position: absolute;
  top: 50%;
  right: -12px;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  z-index: 10;
}

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

.sidebar-toggle i {
  font-size: 0.75rem;
  transition: transform var(--transition-normal);
}

/* ===== 折叠状态 ===== */
/* 支持两种方式：html属性（防闪烁）和 class（JS控制） */
html[data-sidebar-collapsed="true"] .sidebar,
.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width);
}

html[data-sidebar-collapsed="true"] .sidebar-logo-text,
html[data-sidebar-collapsed="true"] .nav-section-title,
html[data-sidebar-collapsed="true"] .nav-link-text,
html[data-sidebar-collapsed="true"] .nav-link-badge,
html[data-sidebar-collapsed="true"] .user-info,
.sidebar-collapsed .sidebar-logo-text,
.sidebar-collapsed .nav-section-title,
.sidebar-collapsed .nav-link-text,
.sidebar-collapsed .nav-link-badge,
.sidebar-collapsed .user-info {
  opacity: 0;
  visibility: hidden;
  width: 0;
}

html[data-sidebar-collapsed="true"] .sidebar-header,
.sidebar-collapsed .sidebar-header {
  justify-content: center;
  padding: var(--spacing-md);
}

html[data-sidebar-collapsed="true"] .nav-link,
.sidebar-collapsed .nav-link {
  justify-content: center;
  padding: var(--spacing-md);
}

html[data-sidebar-collapsed="true"] .user-card,
.sidebar-collapsed .user-card {
  justify-content: center;
}

html[data-sidebar-collapsed="true"] .sidebar-toggle i,
.sidebar-collapsed .sidebar-toggle i {
  transform: rotate(180deg);
}

/* ===== 移动端遮罩 ===== */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-overlay.active {
  opacity: 1;
}

/* ===== 移动端汉堡菜单 ===== */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: var(--spacing-md);
  left: var(--spacing-md);
  width: 44px;
  height: 44px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  z-index: 998;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: var(--glass-bg-hover);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar-overlay {
    display: block;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .sidebar-toggle {
    display: none;
  }

  /* 移动端禁用折叠状态 */
  html[data-sidebar-collapsed="true"] .sidebar,
  .sidebar-collapsed .sidebar {
    width: var(--sidebar-width);
  }

  html[data-sidebar-collapsed="true"] .sidebar-logo-text,
  html[data-sidebar-collapsed="true"] .nav-section-title,
  html[data-sidebar-collapsed="true"] .nav-link-text,
  html[data-sidebar-collapsed="true"] .nav-link-badge,
  html[data-sidebar-collapsed="true"] .user-info,
  .sidebar-collapsed .sidebar-logo-text,
  .sidebar-collapsed .nav-section-title,
  .sidebar-collapsed .nav-link-text,
  .sidebar-collapsed .nav-link-badge,
  .sidebar-collapsed .user-info {
    opacity: 1;
    visibility: visible;
    width: auto;
  }
}