@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

#app {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* 布局组件类 */
.layout-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  border-right: 1px solid var(--border-color);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: all 0.3s ease;
}

.layout-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 40px 60px;
  min-height: 100vh;
  background: linear-gradient(135deg, #FAFAFA 0%, #F4F5F7 100%);
  display: flex;
  flex-direction: column;
}

/* Logo 区域 */
.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
  padding-left: 8px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

/* 导航菜单 */
.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  color: var(--text-sub);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  font-size: 15px;
}

.nav-item:hover {
  background: #F9FAFB;
  color: var(--primary);
}

.nav-item.active {
  background: var(--primary-light);
  color: var(--primary);
}

/* 通用容器 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* 标题排版 */
.page-header {
  margin-bottom: 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.page-subtitle {
  font-size: 18px;
  color: var(--text-sub);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 全局页脚 */
.global-footer {
  margin-top: 80px;
  padding: 32px 0 24px;
  border-top: 1px solid var(--border-color);
  background: transparent;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.footer-text {
  font-size: 14px;
  color: var(--text-sub);
  font-weight: 500;
}

.footer-text a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
}

.footer-text a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.footer-license {
  font-size: 13px;
  color: var(--text-placeholder);
}

.footer-license a {
  color: var(--text-sub);
  text-decoration: none;
  transition: all 0.2s ease;
}

.footer-license a:hover {
  color: var(--primary);
  text-decoration: underline;
}