.yt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--yt-bg);
  border-bottom: 1px solid var(--yt-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.yt-logo {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.yt-header-center {
  flex: 1;
  max-width: 600px;
  margin: 0 40px;
}

.yt-search-form {
  display: flex;
  background: #121212;
  border: 1px solid var(--yt-border);
  border-radius: 20px;
  overflow: hidden;
}

.yt-search-input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 8px 16px;
  color: var(--yt-text);
  outline: none;
  font-size: 14px;
}

.yt-search-btn {
  background: #222;
  border: none;
  padding: 8px 20px;
  color: var(--yt-text);
  cursor: pointer;
}

.yt-nav-link {
  color: var(--yt-text);
  font-size: 14px;
}