/* ── NAVBAR ── */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 40px;
  transition: background var(--trans-med), box-shadow var(--trans-med);
}

.navbar.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.navbar.dark-nav {
  background: transparent;
}

.navbar.dark-nav.scrolled {
  background: rgba(20,20,20,0.96);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  flex-shrink: 0;
}

.logo-en {
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: 24px;
  color: var(--ink);
  letter-spacing: 0.05em;
  transition: color var(--trans-fast);
}

.dark-nav .logo-en { color: var(--warm-bg); }
.dark-nav.scrolled .logo-en { color: var(--warm-bg); }

.logo-dv {
  font-size: 16px;
  font-weight: 600;
  color: var(--gold);
  margin-top: 1px;
}

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--trans-fast);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1.5px;
  background: var(--gold);
  transition: width 0.25s ease;
}

.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }

.dark-nav .nav-links a { color: rgba(255,255,255,0.55); }
.dark-nav .nav-links a:hover { color: var(--warm-bg); }

/* Right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  justify-self: end;
}

.lang-btn {
  background: none;
  border: 1.5px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: inherit;
  transition: all var(--trans-fast);
}

.lang-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.dark-nav .lang-btn {
  border-color: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.5);
}

.dark-nav .lang-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Nav right order: Login → Sign Up → Toggle */
.nav-login       { order: 0; }
.nav-right .btn  { order: 1; }
.theme-toggle    { order: 2; }

/* Theme toggle */
.theme-toggle {
  width: 32px; height: 32px; min-height: 0;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  color: var(--muted);
  border-radius: 50%;
  transition: color var(--trans-fast), background var(--trans-fast), transform var(--trans-fast);
  padding: 0; flex-shrink: 0;
}
.theme-toggle:hover           { color: var(--text); background: rgba(0,0,0,0.06); }
.theme-toggle:active          { transform: scale(0.88); }
.theme-toggle svg             { width: 15px; height: 15px; display: block; }
[data-theme="dark"] .theme-toggle       { color: rgba(255,255,255,0.32); }
[data-theme="dark"] .theme-toggle:hover { color: rgba(255,255,255,0.65); background: rgba(255,255,255,0.06); }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--trans-fast);
}

.nav-hamburger:hover { background: var(--gold-bg); }

.hamburger-line {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all var(--trans-med);
  transform-origin: center;
}

.dark-nav .hamburger-line { background: var(--warm-bg); }

.nav-hamburger.open .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 24px 20px;
  flex-direction: column;
  gap: 4px;
  z-index: 499;
  transform: translateY(-8px);
  opacity: 0;
  transition: all var(--trans-med);
  pointer-events: none;
}

.nav-mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.nav-mobile-menu a {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  transition: background var(--trans-fast), color var(--trans-fast);
  cursor: pointer;
}

.nav-mobile-menu a:hover {
  background: var(--gold-bg);
  color: var(--gold);
}

.nav-mobile-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.nav-mobile-bottom {
  display: flex;
  gap: 10px;
  padding-top: 8px;
}

/* Mobile menu — signed-in user row (replaces Login/Sign Up) */
.nav-mobile-bottom.authed { flex-direction: column; align-items: stretch; gap: 10px; }
.nmb-user { display: flex; align-items: center; gap: 12px; padding: 4px; }
.nmb-user-avatar {
  width: 40px; height: 40px; border-radius: 50%; overflow: hidden; flex-shrink: 0;
  background: var(--gold-bg); border: 2px solid var(--gold-border);
  display: flex; align-items: center; justify-content: center;
}
.nmb-user-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nmb-user-avatar .nav-user-initials { font-size: 14px; font-weight: 700; color: var(--gold); }
.nmb-user-info { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.nmb-user-info strong { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nmb-user-info span { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Responsive */
@media (max-width: 900px) {
  /* Switch to flex so logo stays left, nav-right+hamburger cluster right.
     justify-content:space-between with 3 visible children (brand, nav-right,
     hamburger) would center nav-right instead of grouping it with the
     hamburger — use flex-start + margin-left:auto on nav-right instead. */
  .navbar {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 20px;
  }
  .nav-links { display: none !important; }
  .nav-right {
    display: flex; align-items: center; gap: 4px;
    margin-left: auto;
    /* buttons hidden, only theme-toggle stays (avatar hidden too — lives in the mobile menu instead) */
  }
  .nav-right .btn    { display: none; }
  .nav-right .nav-login { display: none; }
  .nav-right .nav-user-menu { display: none; }
  .nav-hamburger {
    display: flex;
    margin-left: 4px; /* sits right next to toggle */
    min-height: 0;
  }
}

@media (max-width: 480px) {
  .lang-btn { display: none; }
}

/* Dark mode — mobile menu action buttons */
[data-theme="dark"] .nav-mobile-bottom .btn-primary {
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.82);
  border: 1px solid rgba(255,255,255,0.18);
}
[data-theme="dark"] .nav-mobile-bottom .btn-primary:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}
[data-theme="dark"] .nav-mobile-bottom .btn-ghost {
  border-color: rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.48);
}
[data-theme="dark"] .nav-mobile-bottom .btn-ghost:hover {
  border-color: rgba(255,255,255,0.28);
  color: rgba(255,255,255,0.72);
}