/* =============================================================================
   Darkframe Studio — Mobile Off-Canvas Navigation
   ============================================================================= */

/* ── Hamburger button ────────────────────────────────────────────────────────── */

#dfm-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: none;
  border: 1px solid #2a2a2a;
  border-radius: 2px;
  cursor: pointer;
  color: #9a9a9a;
  transition: color 0.18s ease, border-color 0.18s ease;
  /* Stacks after the existing .df-burger at the same breakpoint */
  z-index: 200;
}

#dfm-hamburger:hover,
#dfm-hamburger:focus-visible {
  color: #f0f0f0;
  border-color: #6a6a6a;
  outline: none;
}

#dfm-hamburger .dfm-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  pointer-events: none;
}

/* Animate to X when open */
#dfm-hamburger[aria-expanded="true"] .dfm-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#dfm-hamburger[aria-expanded="true"] .dfm-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#dfm-hamburger[aria-expanded="true"] .dfm-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  #dfm-hamburger {
    display: inline-flex;
  }

  /* Suppress the legacy .df-burger now that the off-canvas hamburger takes over. */
  .df-burger {
    display: none !important;
  }
}

/* ── Off-canvas overlay ──────────────────────────────────────────────────────── */

#dfm-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#dfm-nav-overlay.is-visible {
  display: block;
}

#dfm-nav-overlay.is-open {
  opacity: 1;
}

/* ── Off-canvas drawer ───────────────────────────────────────────────────────── */

#dfm-nav-drawer {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: #1a1a2e;
  z-index: 9999;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

#dfm-nav-drawer.is-open {
  right: 0;
}

/* ── Drawer header (close row) ───────────────────────────────────────────────── */

.dfm-drawer__header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

/* ── Close button ─────────────────────────────────────────────────────────────── */

#dfm-nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  cursor: pointer;
  color: #9a9a9a;
  font-size: 1.25rem;
  line-height: 1;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

#dfm-nav-close:hover,
#dfm-nav-close:focus-visible {
  color: #f0f0f0;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

#dfm-nav-close::before {
  content: '\00d7'; /* × */
  display: block;
}

/* ── Drawer navigation list ──────────────────────────────────────────────────── */

.dfm-drawer__nav {
  flex: 1;
  padding: 0.5rem 0;
}

.dfm-drawer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dfm-drawer__item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dfm-drawer__link {
  display: block;
  padding: 0.875rem 1.25rem;
  color: #d0d0d0;
  text-decoration: none;
  font-family: 'Courier New', Courier, 'Lucida Console', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.18s ease, background 0.18s ease, padding-left 0.18s ease;
}

.dfm-drawer__link:hover,
.dfm-drawer__link:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
  padding-left: 1.5rem;
  outline: none;
}

.dfm-drawer__link[aria-current="page"] {
  color: #00ff41;
  border-left: 2px solid #00ff41;
}

/* ── Drawer auth section ─────────────────────────────────────────────────────── */

.dfm-drawer__auth {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-shrink: 0;
}

.dfm-drawer__auth-link {
  display: block;
  padding: 0.65rem 1rem;
  color: #d0d0d0;
  text-decoration: none;
  font-family: 'Courier New', Courier, 'Lucida Console', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  text-align: center;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.dfm-drawer__auth-link:hover,
.dfm-drawer__auth-link:focus-visible {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

.dfm-drawer__auth-link--accent {
  color: #00ff41;
  border-color: rgba(0, 255, 65, 0.35);
}

.dfm-drawer__auth-link--accent:hover,
.dfm-drawer__auth-link--accent:focus-visible {
  color: #00ff41;
  border-color: rgba(0, 255, 65, 0.6);
  background: rgba(0, 255, 65, 0.08);
}