/* Sejda-style header and All Tools dropdown */
.site-header {
  background: var(--surface, #18181d);
  border-bottom: 1px solid var(--border, #2a2a32);
  padding: 0.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.site-logo {
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text, #e8e8ed);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.site-logo:hover {
  color: var(--text);
}
.nav-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.all-tools-wrap {
  position: relative;
}
#allToolsBtn {
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
#allToolsBtn:hover {
  background: rgba(255,255,255,0.06);
}
#allToolsBtn::after {
  content: '';
  border: 5px solid transparent;
  border-top-color: currentColor;
  margin-left: 2px;
}
#allToolsDropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
  /* wider, fixed-style panel like Sejda */
  width: 980px;
  max-width: 100vw;
  max-height: 85vh;
  overflow: auto;
  display: none;
  padding: 1rem 1.5rem;
}
#allToolsDropdown.open {
  display: block;
}
.tools-dropdown-inner {
  display: grid;
  /* 5 columns on desktop, similar to Sejda */
  grid-template-columns: repeat(5, minmax(160px, 1fr));
  column-gap: 2rem;
  row-gap: 1rem;
}
.tools-section {
  break-inside: avoid;
}
.tools-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  padding-bottom: 0.25rem;
}
.tools-section-links {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.tool-link {
  font-size: 0.875rem;
  color: var(--text);
  text-decoration: none;
  padding: 0.35rem 0;
  border-radius: 6px;
  padding-left: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.tool-link:hover {
  background: rgba(255,255,255,0.06);
  color: var(--accent);
}
.tool-badge {
  font-size: 0.65rem;
  background: var(--accent);
  color: white;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}
.nav-extra {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
}
.nav-extra a {
  color: var(--text-muted);
  text-decoration: none;
}
.nav-extra a:hover {
  color: var(--text);
}