/* UI_VERSION=20260228-public-header-v1 */

/* ── Design tokens ─────────────────────────────────────────────────── */
:root {
  --dr-bg:       #0d1117;
  --dr-border:   rgba(240,246,252,0.12);
  --dr-text:     #e6edf3;
  --dr-muted:    #8b949e;
  --dr-blue:     #1f6feb;
  --dr-blue-h:   #1158c7;
  --dr-blue-lt:  #388bfd;
  --dr-blue-sub: rgba(31,111,235,0.12);
  --dr-blue-br:  rgba(56,139,253,0.40);
  --dr-sans:     -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* ── Topbar shell ──────────────────────────────────────────────────── */
.dr-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,17,23,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dr-border);
  height: 56px;
}

.dr-topbar-inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 32px;
  gap: 18px;
}

/* ── Brand ─────────────────────────────────────────────────────────── */
.dr-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--dr-sans);
  color: var(--dr-text);
  text-decoration: none;
  flex-shrink: 0;
}

.dr-brand svg {
  width: 22px;
  height: 22px;
}

/* ── Nav links ─────────────────────────────────────────────────────── */
.dr-nav {
  display: flex;
  align-items: center;
  height: 100%;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.dr-nav::-webkit-scrollbar {
  display: none;
}

.dr-nav a {
  display: flex;
  align-items: center;
  padding: 0 14px;
  height: 100%;
  font-size: 13px;
  font-family: var(--dr-sans);
  color: var(--dr-muted);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 120ms, border-color 120ms;
}

.dr-nav a:hover {
  color: var(--dr-text);
}

/* ── Active nav state (pure CSS, driven by body[data-active]) ──────── */
body[data-active="status"]     .dr-nav a[data-key="status"],
body[data-active="pricing"]    .dr-nav a[data-key="pricing"],
body[data-active="quickstart"] .dr-nav a[data-key="quickstart"],
body[data-active="docs"]       .dr-nav a[data-key="docs"],
body[data-active="api"]        .dr-nav a[data-key="api"] {
  color: var(--dr-text);
  border-bottom-color: var(--dr-blue-lt);
}

/* ── Right actions ─────────────────────────────────────────────────── */
.dr-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

.dr-btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: 13px;
  font-family: var(--dr-sans);
  font-weight: 500;
  background: var(--dr-blue);
  border: 1px solid var(--dr-blue);
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
  transition: background 120ms, border-color 120ms;
}

.dr-btn-primary:hover {
  background: var(--dr-blue-h);
  border-color: var(--dr-blue-h);
}

.dr-avatar {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: var(--dr-muted);
  border-radius: 10px;
  padding: 0 2px;
  transition: color 120ms;
}

.dr-avatar:hover {
  color: var(--dr-text);
}

.dr-avatar-initials {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-family: var(--dr-sans);
  border: 1px solid var(--dr-blue-br);
  background: var(--dr-blue-sub);
  color: #58a6ff;
}

.dr-dropdown-caret {
  color: currentColor;
}

/* ── Avatar dropdown ────────────────────────────────────────────────── */
.dr-avatar-wrap {
  position: relative;
}

.dr-avatar {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
}

.dr-avatar-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: #161b22;
  border: 1px solid var(--dr-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  padding: 4px;
  z-index: 200;
}

.dr-avatar-menu-item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  font-size: 13px;
  font-family: var(--dr-sans);
  color: var(--dr-text);
  text-decoration: none;
  border: none;
  background: none;
  border-radius: 5px;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  transition: background 100ms, color 100ms;
}

.dr-avatar-menu-item:hover {
  background: rgba(240,246,252,0.08);
  color: #fff;
}

.dr-avatar-menu-logout {
  color: #f85149;
}

.dr-avatar-menu-logout:hover {
  background: rgba(248,81,73,0.12);
  color: #f85149;
}

/* ── Hamburger button ───────────────────────────────────────────────── */
.dr-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--dr-border);
  border-radius: 8px;
  color: var(--dr-muted);
  cursor: pointer;
  flex-shrink: 0;
  margin-left: auto;
  transition: color 120ms, border-color 120ms;
}

.dr-hamburger:hover {
  color: var(--dr-text);
  border-color: rgba(240,246,252,0.25);
}

/* ── Mobile dropdown menu ───────────────────────────────────────────── */
.dr-mobile-menu {
  border-top: 1px solid var(--dr-border);
  background: rgba(13,17,23,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 8px 16px 16px;
}

.dr-mobile-nav {
  display: flex;
  flex-direction: column;
}

.dr-mobile-nav a {
  display: block;
  padding: 11px 8px;
  font-size: 14px;
  font-family: var(--dr-sans);
  color: var(--dr-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--dr-border);
  transition: color 120ms;
}

.dr-mobile-nav a:hover { color: var(--dr-text); }

body[data-active="status"]     .dr-mobile-nav a[data-key="status"],
body[data-active="pricing"]    .dr-mobile-nav a[data-key="pricing"],
body[data-active="quickstart"] .dr-mobile-nav a[data-key="quickstart"],
body[data-active="docs"]       .dr-mobile-nav a[data-key="docs"],
body[data-active="api"]        .dr-mobile-nav a[data-key="api"] {
  color: var(--dr-text);
}

.dr-mobile-env-btn {
  margin-top: 12px;
  justify-content: center;
  width: 100%;
}

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .dr-topbar-inner {
    padding: 0 24px;
    gap: 12px;
  }
}

@media (max-width: 640px) {
  .dr-topbar-inner {
    padding: 0 16px;
    gap: 8px;
  }

  .dr-nav { display: none; }
  .dr-hamburger { display: inline-flex; }
  .dr-actions .dr-btn-primary { display: none; }
}