.top-bar.topbar.t1 {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  min-height: 64px;
  padding: 0;
  background: var(--player-surface-header-bg);
  border-bottom: var(--player-surface-header-border);
  box-shadow: var(--player-shadow-header);
}

.topbar .container {
  width: 100%;
  max-width: 1200px;
  min-height: 64px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
}

.topbar .left-section,
.topbar .right-section {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar .logo img {
  height: 45px;
  display: block;
}

.topbar .hamburger {
  width: 30px;
  height: 25px;
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.topbar .hamburger span {
  display: block;
  height: 3px;
  background: var(--brand-primary);
  border-radius: 2px;
}

@media (max-width: 768px) {

  .top-bar.topbar.t1,
  .topbar .container {
    min-height: 56px;
  }

  .topbar .container {
    width: 100%;
    max-width: 100%;
    padding: 0 8px;
    gap: 8px;
  }

  .topbar .left-section,
  .topbar .right-section {
    height: 56px;
    gap: 14px;
    min-width: 0;
  }

  .topbar .right-section {
    margin-left: auto;
    gap: 8px;
  }
}

@media (min-width: 768px) and (max-width: 1199px) {

  .top-bar.topbar.t1,
  .topbar .container {
    min-height: 60px;
  }

  .topbar .container {
    width: 100%;
    max-width: 100%;
    padding: 0 12px;
    gap: 12px;
  }

  .topbar .left-section,
  .topbar .right-section {
    height: 60px;
    gap: 14px;
    min-width: 0;
  }

  .topbar .left-section {
    flex: 0 0 auto;
  }

  .topbar .right-section {
    flex: 0 1 auto;
    margin-left: auto;
  }

  .topbar .hamburger {
    width: 30px;
    height: 25px;
  }

  .topbar .hamburger span {
    height: 3px;
  }

  .topbar .logo img {
    height: 32px;
    max-height: 32px;
  }
}

@media (min-width: 1200px) {
  .topbar.t1 {
    min-height: 64px;
  }

  .topbar.t1 .container {
    min-height: 64px;
  }

  .topbar.t1 .left-section,
  .topbar.t1 .right-section {
    height: 64px;
  }

  .topbar .left-section,
  .topbar .right-section {
    gap: 18px;
  }
}

@media (max-width: 767px) {
  .topbar .logo img {
    max-height: 38px;
  }
}