/* Top ribbon */

.ribbon {
  position: sticky;
  top: 0;
  height: 70px;
  z-index: 10 !important;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;

  padding: 12px clamp(20px, 5vw, 64px);

  border: 2px solid var(--color-border);
  border-bottom-width: 3px;
  /*background: red !important;*/
  background: var(--color-surface);
  border-color: var(--color-border);
}


/* Page links */

.ribbon-label {
  color: var(--color-text-muted);
  background: none;
  border: none;
  font-size: 0.95rem;
  margin: 0;
  padding: 0 10px;;
  cursor: pointer;
}

.brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.035em;
}

.nav-button {
  border-color: var(--color-border);
  box-shadow: 3px 3px 0 var(--color-shadow);
}


/* Theme toggle */

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.theme-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 54px;
  height: 28px;
  vertical-align: middle;
  flex-shrink: 0;
}

.theme-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-track {
  position: absolute;
  inset: 0;
  background-color: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 4px;
  transition: background-color 0.2s;
}

.switch-thumb {
  position: absolute;
  width: 20px;
  height: 20px;
  left: 3px;
  top: 2px;
  background-color: var(--color-blue);
  border: 2px solid var(--color-fg);
  border-radius: 3px;
  transition: transform 0.2s;
}

.theme-icon {
  padding: 2px 2px 3px 2px;
  color: var(--color-text);
}

.theme-switch input:checked + .switch-track .switch-thumb {
  transform: translateX(24px);
}