/* ============================================================
   ParkieVault V2 — nav.css
   Public Nav · Private Nav · Hamburger · Mobile Dropdown
   Float Menu Button
   ============================================================ */

/* ══════════════════════════════════════════
   PUBLIC NAV
   Floating pill — used on landing + home
   ══════════════════════════════════════════ */

.pub-nav {
  position: fixed;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 24px;
  background: rgba(5,5,5,0.78);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  width: calc(100% - 24px);
  max-width: 1200px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

/* Brand wordmark */
.nav-brand {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 3px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  transition: opacity var(--t-base);
}
.nav-brand:hover { opacity: 0.80; }

/* Center slot — used for nav links or hamburger */
.pub-nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Right slot */
.pub-nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ══════════════════════════════════════════
   PRIVATE NAV
   Full-width bar — used on member pages
   ══════════════════════════════════════════ */

.priv-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 60px;
  background: rgba(5,5,5,0.85);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

/* Private nav brand (same as public but left-aligned) */
.priv-nav-brand {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 3px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  transition: opacity var(--t-base);
}
.priv-nav-brand:hover { opacity: 0.80; }

/* Right cluster in private nav */
.priv-nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── User chip ── */
.user-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--muted2);
  white-space: nowrap;
}

/* Online dot inside user chip */
.u-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--r-circle);
  background: var(--green);
  box-shadow: 0 0 5px var(--green);
  flex-shrink: 0;
}

/* ── Message button ── */
.msg-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--muted2);
  cursor: pointer;
  transition: all var(--t-base);
  white-space: nowrap;
}
.msg-btn:hover {
  background: var(--s4);
  color: var(--text);
}

/* Message badge (unread count) */
.msg-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  background: var(--danger);
  color: #fff;
  font-size: 9px;
  font-family: var(--font-mono);
  font-weight: 700;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}
.msg-badge.show { display: flex; }

/* ── Logout button ── */
.logout-btn {
  background: var(--danger-dim);
  border: 1px solid var(--danger-border);
  color: #ff7090;
  border-radius: var(--r-md);
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--t-base);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.logout-btn:hover {
  background: rgba(255,77,109,0.22);
  transform: translateY(-1px);
}

/* ══════════════════════════════════════════
   HAMBURGER BUTTON
   Shared between public and private navs
   ══════════════════════════════════════════ */

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--r-sm);
  transition: background var(--t-fast);
}
.hamburger-btn:hover { background: var(--s3); }

.hamburger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.72);
  border-radius: 2px;
  transition: all var(--t-base);
}

/* Active/open state */
.hamburger-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ══════════════════════════════════════════
   MOBILE DROPDOWN
   Shared dropdown panel for both navs
   ══════════════════════════════════════════ */

.mobile-dropdown {
  position: fixed;
  top: 72px;              /* Below pub-nav */
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-dropdown);
  width: calc(100% - 24px);
  max-width: 360px;
  background: rgba(8,8,14,0.97);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 10px 0;
  display: none;
  box-shadow: 0 20px 60px rgba(0,0,0,0.65);
  animation: slideDown 0.2s var(--ease-snap);
}

/* Private nav variant — top offset matches 60px bar */
.priv-nav ~ .mobile-dropdown {
  top: 64px;
}

.mobile-dropdown.open { display: block; }

/* Section separator */
.mobile-drop-sep {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted3);
  padding: 10px 18px 6px;
  user-select: none;
}

/* Item rows */
.mobile-drop-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 11px 18px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--muted2);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  text-decoration: none;
}
.mobile-drop-item:hover {
  background: var(--s3);
  color: var(--text);
}

/* Divider line */
.mobile-drop-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 6px 18px;
}

/* ══════════════════════════════════════════
   FLOATING MENU BUTTON
   Bottom-right fixed button (mobile)
   ══════════════════════════════════════════ */

.float-menu-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-float);
  background: rgba(12,12,18,0.82);
  border: 1px solid var(--border);
  border-radius: var(--r-circle);
  width: 46px;
  height: 46px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  transition: background var(--t-base), transform var(--t-base);
}
.float-menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255,255,255,0.75);
  border-radius: 2px;
  transition: all var(--t-base);
}
.float-menu-btn:hover {
  background: var(--s5);
  transform: scale(1.06);
}

/* ── Back button (shared across sub-pages) ── */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--s3);
  border: 1px solid var(--border);
  color: var(--muted2);
  border-radius: var(--r-md);
  padding: 9px 16px;
  font-size: 13px;
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-base);
  text-decoration: none;
}
.btn-back:hover {
  color: var(--text);
  border-color: var(--muted);
  background: var(--s4);
}

/* ══════════════════════════════════════════
   RESPONSIVE VISIBILITY RULES
   ══════════════════════════════════════════ */

/* Desktop: hide hamburger, never show dropdown */
@media (min-width: 761px) {
  .hamburger-btn     { display: none; }
  .float-menu-btn    { display: none; }
  .mobile-dropdown   { display: none !important; }
}

/* Mobile: hide desktop-only nav items */
@media (max-width: 760px) {
  .hamburger-btn     { display: flex; }
  .float-menu-btn    { display: flex; }

  /* Hide pill nav's right-slot items on mobile (show hamburger only) */
  .pub-nav-right .nav-link-item { display: none; }

  /* Private nav: collapse chips/buttons into hamburger */
  .priv-nav-right .user-chip,
  .priv-nav-right .msg-btn,
  .priv-nav-right .logout-btn { display: none; }
}