:root {
  --navbar-height: 60px;
  --primary-color: #0066ff;
  --text-color: #333;
  --bg-color: #fff;
  --border-color: #e0e0e0;
  --hover-bg: #f5f5f5;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--navbar-height);
  padding: 0 20px;
  background: var(--bg-color);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  color: var(--text-color);
}

.logo {
  height: 30px;
  width: 30px;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  color: var(--text-color);
  padding: 5px 10px;
  border-radius: 4px;
  transition: all 0.2s;
}

.nav-link:hover {
  background: var(--hover-bg);
}

.nav-link.active {
  color: var(--primary-color);
  font-weight: 500;
}

.nav-user {
  position: relative;
  cursor: pointer;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--hover-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.user-menu {
  position: absolute;
  right: 0;
  top: 100%;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 5px 0;
  min-width: 150px;
  display: none;
}

.user-menu-item {
  display: block;
  padding: 8px 15px;
  color: var(--text-color);
  text-decoration: none;
}

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

.nav-user:hover .user-menu {
  display: block;
}

[data-theme="dark"] {
  --text-color: #fff;
  --bg-color: #1a1a1a;
  --border-color: #333;
  --hover-bg: #333;
}