/* Titan3D — Glass header, account strip, footer.  */

/* ─── Header ────────────────────────────────────────────────── */
.t3d-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--surface-frost);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow:
    inset 0 -1px 0 var(--border),
    0 1px 0 rgba(255, 255, 255, 0.02);
}
.t3d-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px var(--space-3);
  gap: var(--space-2);
  min-height: 64px;
}
.t3d-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: opacity var(--duration-fast) var(--ease);
}
.t3d-header__logo:hover { opacity: 0.85; }
.t3d-header__logo img {
  height: 32px;
  width: auto;
  display: block;
}

/* ─── Primary nav ──────────────────────────────────────────── */
.t3d-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}
.t3d-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2px;
  align-items: center;
}
.t3d-nav__list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  letter-spacing: -0.005em;
  min-height: 36px;
  transition:
    color var(--duration-fast) var(--ease),
    background var(--duration-fast) var(--ease);
}
.t3d-nav__list a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}
/* Active state: indigo text on a soft indigo wash + a 4px dot under
 * the label. Two affordances (color + indicator) so the active item
 * reads at a glance even with desaturated theme colors. */
.t3d-nav__list .current-menu-item > a,
.t3d-nav__list .current_page_item > a,
.t3d-nav__list .current-menu-ancestor > a,
.t3d-nav__list a[aria-current="page"] {
  color: var(--accent-bright);
  background: var(--accent-wash);
}
.t3d-nav__list .current-menu-item > a::after,
.t3d-nav__list .current_page_item > a::after,
.t3d-nav__list .current-menu-ancestor > a::after,
.t3d-nav__list a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 4px;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
}

.t3d-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Account strip ────────────────────────────────────────── */
.t3d-account-strip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9rem;
}
.t3d-account-strip__greet {
  color: var(--text-muted);
  margin-right: 4px;
  font-weight: 500;
}
.t3d-account-strip__credits {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px var(--border-accent);
  color: var(--accent-bright);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.82rem;
  text-decoration: none;
  letter-spacing: -0.005em;
  transition:
    background var(--duration-fast) var(--ease),
    box-shadow var(--duration-fast) var(--ease),
    color var(--duration-fast) var(--ease);
}
.t3d-account-strip__credits:hover {
  background: var(--accent);
  color: #FFFFFF;
  box-shadow:
    inset 0 0 0 1px var(--accent),
    0 0 16px var(--accent-glow);
}
.t3d-account-strip__credits .t3d-icon { width: 13px; height: 13px; }

.t3d-account-strip a.t3d-account-strip__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  min-height: 36px;
  font-weight: 500;
  font-size: 0.9rem;
  transition:
    color var(--duration-fast) var(--ease),
    background var(--duration-fast) var(--ease);
}
.t3d-account-strip a.t3d-account-strip__link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}
.t3d-account-strip a.t3d-account-strip__link .t3d-icon { width: 17px; height: 17px; }

/* Icon-only Log in link (logged-out state) — square button matching the cart. */
.t3d-account-strip__link--icon-only {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  background: transparent;
  text-decoration: none;
  transition:
    color var(--duration-fast) var(--ease),
    background var(--duration-fast) var(--ease),
    box-shadow var(--duration-fast) var(--ease);
}
.t3d-account-strip__link--icon-only:hover {
  color: var(--accent-bright);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
}
.t3d-account-strip__link--icon-only .t3d-icon { width: 18px; height: 18px; }

/* ─── Cart link ────────────────────────────────────────────── */
.t3d-cart-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  box-shadow:
    inset 0 0 0 1px var(--border),
    var(--shadow-inner-top);
  transition:
    background var(--duration-fast) var(--ease),
    box-shadow var(--duration-fast) var(--ease),
    color var(--duration-fast) var(--ease);
}
.t3d-cart-link:hover {
  background: var(--surface-strong);
  color: var(--accent-bright);
  box-shadow:
    inset 0 0 0 1px var(--border-accent),
    0 0 18px rgba(94, 106, 210, 0.18);
}
.t3d-cart-link .t3d-icon { width: 18px; height: 18px; }
.t3d-cart-link__count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #FFFFFF;
  border: 2px solid var(--bg-base);
  border-radius: var(--radius-pill);
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

/* ─── Mobile nav toggle ────────────────────────────────────── */
.t3d-nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 0;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  box-shadow:
    inset 0 0 0 1px var(--border),
    var(--shadow-inner-top);
  transition: background var(--duration-fast) var(--ease);
}
.t3d-nav-toggle:hover {
  background: var(--surface-strong);
}
.t3d-nav-toggle .t3d-icon { width: 20px; height: 20px; }

/* Mobile nav (sibling of header, full-screen drawer) -------------------- */
.t3d-nav--mobile { display: none; }

@media (max-width: 1024px) {
  .t3d-header__row { padding: 10px var(--space-3); }
  .t3d-nav-toggle { display: inline-flex; }

  /* Hide the inline (desktop) nav on mobile */
  .t3d-nav--inline { display: none; }

  /* Mobile drawer — sibling of header, position:fixed against the viewport */
  .t3d-nav--mobile {
    display: block;
    position: fixed;
    inset: 56px 0 0 0;
    background: rgba(5, 5, 6, 0.96);
    backdrop-filter: blur(28px) saturate(140%);
    -webkit-backdrop-filter: blur(28px) saturate(140%);
    box-shadow: inset 0 1px 0 var(--border);
    padding: var(--space-3);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--duration-base) var(--ease), visibility 0s linear var(--duration-base);
    visibility: hidden;
    z-index: 45;
  }
  .t3d-nav--mobile[hidden] { display: block; }  /* override [hidden] so transform works */
  .t3d-nav--mobile.is-open {
    transform: translateX(0);
    visibility: visible;
    transition: transform var(--duration-base) var(--ease);
  }
  .t3d-nav--mobile .t3d-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    flex-direction: column;
    align-items: stretch;
    display: flex;
    gap: 8px;
  }
  .t3d-nav--mobile .t3d-nav__list li {
    list-style: none;
    margin: 0;
    width: 100%;
  }
  .t3d-nav--mobile .t3d-nav__list a {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 14px 18px;
    font-size: 1.05rem;
    font-weight: 500;
    min-height: 56px;
    background: var(--surface);
    box-shadow:
      inset 0 0 0 1px var(--border),
      var(--shadow-inner-top);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    text-decoration: none;
    letter-spacing: -0.01em;
    transition: background var(--duration-fast) var(--ease);
  }
  .t3d-nav--mobile .t3d-nav__list a:hover { background: var(--surface-strong); }
  .t3d-nav--mobile .t3d-nav__list .current-menu-item > a,
  .t3d-nav--mobile .t3d-nav__list .current_page_item > a {
    background: var(--accent-soft);
    color: var(--accent-bright);
    box-shadow:
      inset 0 0 0 1px var(--border-accent),
      var(--shadow-inner-top);
  }

  .t3d-account-strip__greet { display: none; }
  body.t3d-nav-open { overflow: hidden; }

  /* Drawer head — explicit close button (the toggle in the header is
     covered by the drawer overlay once open). */
  .t3d-nav--mobile .t3d-nav__head {
    display: flex;
    justify-content: flex-end;
    margin: 0 0 var(--space-2);
  }
  .t3d-nav--mobile .t3d-nav__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease);
  }
  .t3d-nav--mobile .t3d-nav__close:hover { background: var(--surface-strong); }
  .t3d-nav--mobile .t3d-nav__close .t3d-icon { width: 22px; height: 22px; }

  /* Drawer secondary links — Cart / Account / Sign in / Build Hub.
     Visually quieter than primary nav so the eye prioritises Shop, etc. */
  .t3d-nav--mobile .t3d-nav__secondary {
    margin-top: var(--space-3);
    padding-top: var(--space-2);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .t3d-nav--mobile .t3d-nav__secondary-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    transition: background var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease);
  }
  .t3d-nav--mobile .t3d-nav__secondary-link:hover {
    background: var(--surface);
    color: var(--text-primary);
  }
  .t3d-nav--mobile .t3d-nav__secondary-link .t3d-icon { width: 18px; height: 18px; }
}

@media (max-width: 640px) {
  .t3d-account-strip__greet,
  .t3d-account-strip__link span:not(.t3d-icon) { display: none; }
  .t3d-header__logo img { height: 28px; }
}

/* ─── Footer ───────────────────────────────────────────────── */
.t3d-footer {
  position: relative;
  background: var(--bg-deep);
  margin-top: var(--space-7);
  padding: var(--space-7) 0 var(--space-3);
  box-shadow: inset 0 1px 0 var(--border);
  isolation: isolate;
  overflow: hidden;
}
/* Subtle accent glow at the top of the footer */
.t3d-footer::before {
  content: '';
  position: absolute;
  inset: -1px 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 20%, rgba(94, 106, 210, 0.4) 50%, transparent 80%);
  pointer-events: none;
}
.t3d-footer__cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-5);
}
.t3d-footer__brand h4 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--text-primary);
}
.t3d-footer__logo {
  display: inline-flex;
  margin-bottom: var(--space-2);
  opacity: 0.9;
  transition: opacity var(--duration-fast) var(--ease);
}
.t3d-footer__logo:hover { opacity: 1; }
.t3d-footer__logo img {
  height: 36px;
  width: auto;
  display: block;
}
.t3d-footer__brand p {
  color: var(--text-muted);
  max-width: 320px;
  font-size: 0.95rem;
  line-height: 1.6;
}
.t3d-footer__col h4 {
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
}
.t3d-footer__list { list-style: none; margin: 0; padding: 0; }
.t3d-footer__list li { margin: 4px 0; }
.t3d-footer__list a {
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
  text-decoration: none;
  display: inline-block;
  padding: 8px 0;
  min-height: 36px;
  transition: color var(--duration-fast) var(--ease);
}
/* Underline grows from center on hover — subtle micro-interaction. */
.t3d-footer__list a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--duration-base) var(--ease);
}
.t3d-footer__list a:hover { color: var(--text-primary); }
.t3d-footer__list a:hover::after { transform: scaleX(1); }

.t3d-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  margin-top: var(--space-5);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.t3d-footer__bottom p { margin: 0; }

.t3d-footer__social {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
}
.t3d-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--surface);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  box-shadow:
    inset 0 0 0 1px var(--border),
    var(--shadow-inner-top);
  transition:
    color var(--duration-fast) var(--ease),
    background var(--duration-fast) var(--ease),
    box-shadow var(--duration-fast) var(--ease);
}
.t3d-footer__social a:hover {
  color: var(--accent-bright);
  background: var(--surface-strong);
  box-shadow:
    inset 0 0 0 1px var(--border-accent),
    0 0 16px rgba(94, 106, 210, 0.18);
}
.t3d-footer__social .t3d-icon { width: 16px; height: 16px; }

@media (max-width: 1024px) {
  .t3d-footer__cols { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
}
@media (max-width: 640px) {
  .t3d-footer { padding: var(--space-5) 0 var(--space-3); }
  .t3d-footer__cols { grid-template-columns: 1fr; gap: var(--space-3); }
  .t3d-footer__bottom { flex-direction: column; align-items: flex-start; }
}