header {
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-decoration: none;
  color: #111;
}

.user-dropdown { position: relative; }

.user-trigger {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #374151;
  padding: 6px 10px;
  border-radius: 6px;
}

.user-trigger:hover { background: #f3f4f6; }

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  min-width: 160px;
  z-index: 100;
  overflow: hidden;
}

.dropdown-menu.open { display: block; }

.dropdown-item {
  display: block;
  width: 100%;
  padding: 10px 16px;
  font-size: 14px;
  color: #374151;
  text-decoration: none;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
}

.dropdown-item:hover { background: #f9fafb; }