.topbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: 52px;
  padding: 0 1rem;
  background: transparent;
  flex-shrink: 0;
  z-index: 100;
}

/* Logo — matches showcase brand-badge */
.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border: none;
  border-radius: 8px;
  background: color-mix(in srgb, var(--t-bg) 97%, var(--t-fg));
  box-shadow: var(--shadow-minimal);
  font-weight: 400;
  font-size: 12px;
  color: color-mix(in srgb, var(--t-fg) 80%, var(--t-bg));
  text-decoration: none;
  white-space: nowrap;
}
.logo:hover {
  color: var(--t-fg);
  background: color-mix(in srgb, var(--t-bg) 92%, var(--t-fg));
}
.logo svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.logo strong {
  font-weight: 600;
}
.logo-sub {
  color: color-mix(in srgb, var(--t-fg) 50%, var(--t-bg));
  font-weight: 300;
  margin-left: 0.125rem;
}
.logo-sub::before {
  content: "·";
  margin-right: 0.25rem;
}

.topbar-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 0.25rem;
}

/* Tabs — shadcn/Craft Agents segmented control style */
.tab-group {
  display: flex;
  gap: 1px;
  background: var(--foreground-5);
  border-radius: 8px;
  padding: 3px;
}
.tab {
  height: 26px;
  padding: 0 14px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--fg2);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: default;
  white-space: nowrap;
  user-select: none;
}
.tab:hover {
  color: var(--fg);
}
.tab.active {
  color: var(--fg);
  background: var(--t-bg);
  box-shadow: var(--shadow-minimal);
}

.spacer {
  flex: 1;
}

/* Theme dropdown — custom, not native select */
.theme-dropdown-wrap {
  position: relative;
}
.theme-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 10px;
  border: none;
  border-radius: 8px;
  background: color-mix(in srgb, var(--t-bg) 97%, var(--t-fg));
  box-shadow: var(--shadow-minimal);
  color: color-mix(in srgb, var(--t-fg) 80%, var(--t-bg));
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: default;
  white-space: nowrap;
  user-select: none;
}
.theme-dropdown-btn:hover {
  color: var(--t-fg);
  background: color-mix(in srgb, var(--t-bg) 92%, var(--t-fg));
}
.theme-dropdown-btn .theme-swatch {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid color-mix(in srgb, var(--t-fg) 10%, transparent);
}
.theme-dropdown-btn svg {
  width: 10px;
  height: 10px;
  color: var(--fg4);
  flex-shrink: 0;
  transition: transform 0.15s;
}
.theme-dropdown-btn.open svg {
  transform: rotate(180deg);
}
.theme-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 180px;
  background: var(--t-bg);
  border-radius: 8px;
  padding: 4px;
  z-index: 2000;
  flex-direction: column;
  box-shadow: var(--shadow-modal);
  max-height: 400px;
  overflow-y: auto;
}
.theme-dropdown-menu.open {
  display: flex;
}
.theme-dropdown-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 28px 6px 8px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--fg);
  font-size: 12px;
  font-weight: 400;
  font-family: inherit;
  cursor: default;
  white-space: nowrap;
  text-align: left;
  width: 100%;
  user-select: none;
}
.theme-dropdown-item:hover {
  background: color-mix(in srgb, var(--t-fg) 5%, var(--t-bg));
}
.theme-dropdown-item.active::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: currentColor;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  -webkit-mask-size: contain;
  mask-size: contain;
}
.theme-dropdown-item .theme-swatch {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid color-mix(in srgb, var(--t-fg) 10%, transparent);
}

/* Buttons — match showcase secondary button style */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border: none;
  border-radius: 8px;
  background: color-mix(in srgb, var(--t-bg) 97%, var(--t-fg));
  box-shadow: var(--shadow-minimal);
  color: color-mix(in srgb, var(--t-fg) 80%, var(--t-bg));
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: default;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}
.btn:hover {
  color: var(--t-fg);
  background: color-mix(in srgb, var(--t-bg) 92%, var(--t-fg));
}
.btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Primary button — inverted fg/bg */
.btn-primary {
  background: var(--t-fg);
  color: var(--t-bg);
  box-shadow:
    rgba(0, 0, 0, 0) 0px 0px 0px 0px,
    rgba(0, 0, 0, 0) 0px 0px 0px 0px,
    rgba(0, 0, 0, 0.1) 0px 1px 3px 0px,
    rgba(0, 0, 0, 0.1) 0px 1px 2px -1px;
}
.btn-primary:hover {
  opacity: 0.9;
  background: var(--t-fg);
  color: var(--t-bg);
}