/* ========================================
   侧边栏组件样式 - Sidebar Component
   适用于数码印刷印前工具集
   ======================================== */

:root {
  --sidebar-width-expanded: 240px;
  --sidebar-width-collapsed: 64px;
  --sidebar-bg: #0f172a;
  --sidebar-bg-hover: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #ffffff;
  --sidebar-accent: #6366f1;
  --sidebar-accent-bg: rgba(99, 102, 241, 0.12);
  --sidebar-border: #1e293b;
  --sidebar-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-z-index: 1000;
  --sidebar-header-height: 60px;
}

/* ===== 侧边栏容器 ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width-expanded);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  z-index: var(--sidebar-z-index);
  display: flex;
  flex-direction: column;
  transition: width var(--sidebar-transition);
  overflow: hidden;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.08);
}

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

/* ===== 侧边栏头部 ===== */
.sidebar-header {
  display: flex;
  align-items: center;
  height: var(--sidebar-header-height);
  padding: 0 14px;
  border-bottom: 1px solid var(--sidebar-border);
  flex-shrink: 0;
  gap: 10px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--sidebar-text-active);
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  min-width: 0;
  flex: 1;
}

.sidebar-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  opacity: 1;
  transition: opacity var(--sidebar-transition);
}

.sidebar.collapsed .logo-text {
  opacity: 0;
  width: 0;
}

.sidebar.collapsed .sidebar-logo {
  justify-content: center;
  padding: 0;
}

/* ===== 折叠切换按钮 ===== */
.sidebar-toggle {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--sidebar-text);
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}

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

.sidebar-toggle .toggle-icon {
  transition: transform var(--sidebar-transition);
}

.sidebar.collapsed .toggle-icon {
  transform: rotate(180deg);
}

/* ===== 侧边栏导航 ===== */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav::-webkit-scrollbar {
  width: 3px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: var(--sidebar-border);
  border-radius: 10px;
}

/* ===== 导航分组标题 ===== */
.sidebar-group-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #475569;
  padding: 16px 12px 6px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--sidebar-transition);
}

.sidebar.collapsed .sidebar-group-label {
  opacity: 0;
  height: 0;
  padding: 0;
}

/* ===== 导航链接 ===== */
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--sidebar-text);
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
  position: relative;
  cursor: pointer;
}

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

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

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--sidebar-accent);
  border-radius: 0 2px 2px 0;
}

.sidebar-link .nav-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.sidebar-link .nav-text {
  opacity: 1;
  transition: opacity var(--sidebar-transition);
  font-size: 0.875rem;
  font-weight: 500;
}

.sidebar.collapsed .sidebar-link .nav-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

/* ===== 折叠时显示tooltip ===== */
.sidebar.collapsed .sidebar-link {
  justify-content: center;
  padding: 10px 0;
}

/* ===== 侧边栏底部 ===== */
.sidebar-footer {
  border-top: 1px solid var(--sidebar-border);
  padding: 12px 8px;
  flex-shrink: 0;
}

.sidebar-footer .sidebar-link {
  padding: 8px 12px;
}

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

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

/* ===== 移动端遮罩层 ===== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--sidebar-z-index) - 1);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

/* ===== 移动端汉堡按钮 ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text-active);
  z-index: calc(var(--sidebar-z-index) - 2);
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.mobile-header .mobile-menu-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--sidebar-text-active);
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.mobile-header .mobile-menu-btn:hover {
  background: var(--sidebar-bg-hover);
}

.mobile-header .mobile-title {
  font-size: 1rem;
  font-weight: 600;
  flex: 1;
}

/* ===== 响应式 - 平板及以下 ===== */
@media (max-width: 1024px) {
  :root {
    --sidebar-width-expanded: 220px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 280px !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
  }

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

  .sidebar-overlay {
    display: block;
    pointer-events: none;
  }

  .sidebar-overlay.show {
    pointer-events: auto;
  }

  .sidebar .sidebar-toggle {
    display: none;
  }

  .sidebar .logo-text {
    opacity: 1 !important;
    width: auto !important;
  }

  .sidebar .sidebar-link .nav-text {
    opacity: 1 !important;
    width: auto !important;
    overflow: visible !important;
  }

  .sidebar .sidebar-link {
    justify-content: flex-start !important;
    padding: 10px 12px !important;
  }

  .sidebar .sidebar-group-label {
    opacity: 1 !important;
    height: auto !important;
    padding: 16px 12px 6px !important;
  }

  .sidebar .sidebar-logo {
    justify-content: flex-start !important;
    padding: 0 !important;
  }

  .mobile-header {
    display: flex;
  }

  .main-content {
    margin-left: 0 !important;
    padding-top: 56px;
  }

  .sidebar ~ .main-content,
  .sidebar + .main-content {
    margin-left: 0 !important;
  }
}