/* ============================================================== */
/* ===== CENTER-BOTTOM FLOATING NAV TAB (Home | About) ========== */
/* ============================================================== */
/* A pill-shaped tab docked at the bottom-center of the viewport.
   Sits above every section, follows the user as they scroll, and
   routes to the same showSection() the sidebar nav uses.
   Theme-aware (light/dark), responsive, and accessible. */
.dock-nav {
  position: fixed;
  left: 50%; /* centred over the content — refined per breakpoint in responsive.css */
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 9995;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  background: color-mix(in srgb, var(--bg-card) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.1),
    0 2px 6px rgba(0, 0, 0, 0.04);
  font-family: "Inter", system-ui, sans-serif;
  user-select: none;
  -webkit-user-select: none;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: transform;
}
[data-theme="dark"] .dock-nav {
  background: color-mix(in srgb, var(--bg-card) 80%, transparent);
  border-color: var(--border-light);
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.45),
    0 2px 6px rgba(0, 0, 0, 0.3);
}


/* Individual nav button inside the dock.
   NOTE: only the ACTIVE tab shows its label — inactive tabs are
   icon-only. The gap is created by the label itself. */
.dock-nav__btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition:
    color 0.25s ease,
    background-color 0.25s ease,
    transform 0.2s ease;
  white-space: nowrap;
  font-family: inherit;
}
.dock-nav__btn:hover {
  color: var(--text-dark);
}
.dock-nav__btn:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}
.dock-nav__btn.is-active {
  color: #ffffff;
  background: var(--primary-blue);
  box-shadow: 0 4px 12px
    color-mix(in srgb, var(--primary-blue) 30%, transparent);
}
[data-theme="dark"] .dock-nav__btn.is-active {
  color: #0d1014;
  background: var(--primary-blue);
}
.dock-nav__btn i {
  font-size: 12px;
  transition: transform 0.25s ease;
}


/* --- Label: hidden (icon-only) when inactive, visible when active --- */
.dock-nav__label {
  display: inline-block;
  max-width: 0;
  margin-left: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  line-height: 1.2;
  transition:
    max-width 0.35s cubic-bezier(0.2, 0.7, 0.2, 1),
    margin-left 0.3s ease,
    opacity 0.2s ease;
}
.dock-nav__btn.is-active {
  padding: 9px 16px;
}
.dock-nav__btn.is-active .dock-nav__label {
  max-width: 90px;
  margin-left: 6px;
  opacity: 1;
}

/* --- Resume button (always shows its label) --- */
.dock-nav__resume {
  padding: 9px 14px;
  color: var(--text-dark);
  background: color-mix(in srgb, var(--bg-card-alt) 75%, transparent);
  border: 1px solid var(--border-light);
  text-decoration: none;
}
.dock-nav__resume .dock-nav__label {
  max-width: 90px;
  margin-left: 6px;
  opacity: 1;
}
.dock-nav__resume:hover {
  color: var(--primary-blue);
  background: color-mix(in srgb, var(--primary-blue) 10%, var(--bg-card));
  /* border-color: var(--primary-blue); */
}
[data-theme="dark"] .dock-nav__resume {
  color: var(--text-dark);
  background: color-mix(in srgb, var(--bg-card-alt) 85%, transparent);
}
[data-theme="dark"] .dock-nav__resume:hover {
  color: var(--primary-blue);
  background: color-mix(in srgb, var(--primary-blue) 18%, var(--bg-card));
}

/* Vertical separator between Home and About */
.dock-nav__sep {
  display: inline-block;
  width: 1px;
  height: 18px;
  background: var(--border-soft);
  flex-shrink: 0;
  margin: 0 2px;
}

/* Hide the dock nav on very small screens to avoid clutter —
   the sidebar nav still works there. */
@media (max-width: 480px) {
  .dock-nav {
    bottom: 14px;
    padding: 5px;
  }
  .dock-nav__btn {
    padding: 8px 14px;
    font-size: 12px;
  }
}

/* Reduced motion — disable the lift animation */
@media (prefers-reduced-motion: reduce) {
  .dock-nav,
  .dock-nav:hover,
  .dock-nav__btn,
  .dock-nav__btn i {
    transition: none !important;
  }
  .dock-nav:hover {
    transform: translateX(-50%) !important;
  }
}

/* ============================================================== */
/* ===== SITE-WIDE CONSISTENCY (castcany) ======================== */
/* ============================================================== */
/* Make sure every scrollable container has consistent overscroll
   behavior so the dock nav never gets covered by a scroll bounce. */
.page-section--scrollable,
#content-play,
.main-container,
.scrollable-content,
.sidebar-container {
  overscroll-behavior: contain;
}
/* Ensure the dock nav stays above Lenis-driven content layers */
.dock-nav {
  isolation: isolate;
}