/* Header */
.arabic-bg { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.arabic-bg .arabic-glow { position: absolute; color: var(--gold); opacity: .08; font-weight: 700; filter: drop-shadow(0 0 8px rgba(255,231,10,.25)); white-space: nowrap; user-select: none; }
@keyframes floatArabic {
  from { transform: translate3d(var(--x, 0px), 110vh, 0) rotate(var(--r, 0deg)); }
  to   { transform: translate3d(calc(var(--x, 0px) + var(--dx, 0px)), -20vh, 0) rotate(calc(var(--r, 0deg) + var(--dr, 20deg))); }
}

.site-header, main, .site-footer { position: relative; z-index: 1; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--nav-bg, var(--bg-overlay));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.site-header.site-header--flush {
  border-bottom-color: transparent;
  box-shadow: none;
}
.site-header.site-header--compact .nav-links { display: flex; }
.site-header.site-header--compact .nav {
  flex-wrap: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  flex-wrap: wrap;
}
.nav-brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.nav-brand-link { font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: var(--font-sm); color: var(--muted); text-decoration: none; }
.nav-brand-link:hover,
.nav-brand-link:focus-visible { color: var(--text); }
.logo { width: clamp(64px, 12vw, 120px); height: auto; object-fit: contain; }
.logo.small { width: 32px; height: 32px; }

.nav-links {
  display: flex;
  flex: 1 1 auto;
  justify-content: center;
  gap: clamp(var(--space-2), 1vw + 0.35rem, var(--space-3));
  min-width: 0;
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.4rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-sm);
  letter-spacing: .01em;
  transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}
.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  background-color: rgba(255, 255, 255, 0.05);
}
.nav-links a:focus-visible {
  outline: 2px solid rgba(229, 181, 103, 0.65);
  outline-offset: 2px;
}
.nav-links a.is-active {
  color: var(--gold);
  background-color: rgba(229, 181, 103, 0.12);
}
.nav-links a.has-unread {
  color: var(--gold);
}
.nav-links a.has-unread:hover,
.nav-links a.has-unread:focus-visible {
  color: var(--gold);
}
.nav-link__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.35rem;
  height: 1.35rem;
  margin-left: 0.4rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(229, 181, 103, 0.92), rgba(214, 153, 69, 0.85));
  color: #1a1420;
  font-weight: 700;
  font-size: 0.75rem;
  line-height: 1;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-link__badge[hidden] {
  display: none !important;
}
.nav-more .nav-link__badge {
  margin-left: auto;
}
.nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.45rem;
  height: 1.45rem;
  margin-right: 0;
  color: inherit;
  transition: transform 0.2s ease;
}
.nav-icon svg {
  width: 100%;
  height: 100%;
}
.nav-links a[data-nav-key="chat"] {
  padding: 0.45rem 0.75rem;
  gap: 0.2rem;
}
.nav-links a[data-nav-key="chat"]:hover .nav-icon,
.nav-links a[data-nav-key="chat"]:focus-visible .nav-icon {
  transform: scale(1.05);
}
.mobile-menu a[data-nav-key="chat"] {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
}
.nav-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-left: auto;
  flex-shrink: 0;
  flex-wrap: nowrap;
}
.nav-store-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  background: linear-gradient(130deg, rgba(255, 208, 128, 0.98), rgba(255, 140, 82, 0.92));
  color: #1a1420;
  font-weight: 600;
  font-size: var(--font-sm);
  letter-spacing: 0.01em;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 243, 211, 0.65);
  box-shadow: 0 18px 35px -18px rgba(255, 140, 82, 0.78);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-store-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.75), transparent 65%);
  opacity: 0.68;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.nav-store-cta::after {
  content: '';
  position: absolute;
  top: 50%;
  left: -28%;
  width: 60%;
  height: 130%;
  transform: translateY(-50%) rotate(25deg);
  border-radius: 30%;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0));
  opacity: 0.6;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-store-cta:hover,
.nav-store-cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 22px 42px -20px rgba(255, 150, 90, 0.92);
}
.nav-store-cta:hover::before,
.nav-store-cta:focus-visible::before {
  opacity: 0.82;
}
.nav-store-cta:hover::after,
.nav-store-cta:focus-visible::after {
  transform: translate(30%, -50%) rotate(25deg);
  opacity: 0.95;
}
.nav-store-cta:focus-visible {
  outline: 3px solid rgba(255, 231, 150, 0.85);
  outline-offset: 2px;
}
.nav-store-cta.is-active {
  filter: saturate(1.12);
}
.nav-store-cta:visited {
  color: #1a1420;
}
.nav-user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  margin-right: 0.4rem;
  background: linear-gradient(135deg, rgba(229, 181, 103, 0.95), rgba(214, 153, 69, 0.9));
  color: #1a1420;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.nav-user-avatar.nav-user-avatar--mobile {
  display: none;
  margin-right: 0;
  margin-left: var(--space-1);
}
.nav-user-avatar span {
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}
.nav-user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}
.nav-user-avatar:hover,
.nav-user-avatar:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(229, 181, 103, 0.32);
}
.nav-more { position: relative; display: inline-flex; align-items: center; margin-left: var(--space-2); }
.nav-more-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0.35rem;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
}
.nav-more-icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 0.25rem;
  width: 1.25rem;
  height: 1.25rem;
}
.nav-more-icon span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--muted);
  transition: background 0.2s ease;
}
.nav-more-toggle:hover .nav-more-icon span,
.nav-more-toggle:focus-visible .nav-more-icon span { background: var(--text); }
.nav-more.is-open .nav-more-icon span { background: var(--gold); }
.nav-more-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  background: rgba(10, 12, 18, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 0.6rem 0.5rem;
  display: grid;
  gap: 0.25rem;
  min-width: 180px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
}
.nav-more-link {
  display: block;
  padding: 0.45rem 0.75rem;
  border-radius: 0.6rem;
  color: var(--muted);
  text-decoration: none;
  font-size: var(--font-sm);
  font-weight: 500;
}
.nav-more-link--action {
  font-weight: 600;
  margin-top: 0.25rem;
}
.nav-more-link--account { color: var(--gold); }
.nav-more-link--account:hover,
.nav-more-link--account:focus-visible { color: var(--gold-soft); }
.nav-more-link--logout { color: var(--danger); }
.nav-more-link--logout:hover,
.nav-more-link--logout:focus-visible { color: #ff8181; }
.nav-more-link--signin {
  color: var(--text);
  border: 1px solid rgba(255, 231, 10, 0.35);
  background: rgba(255, 231, 10, 0.08);
}
.nav-more-link--signin:hover,
.nav-more-link--signin:focus-visible {
  color: var(--text);
  border-color: rgba(255, 231, 10, 0.55);
  background: rgba(255, 231, 10, 0.12);
}
.nav-more-link--signup {
  color: #0b0b0d;
  background: linear-gradient(180deg, var(--gold), #e6c200);
  border: 1px solid rgba(255, 231, 10, 0.6);
  box-shadow: 0 12px 24px -16px rgba(201, 162, 39, 0.45);
}
.nav-more-link--signup:hover,
.nav-more-link--signup:focus-visible {
  filter: brightness(1.04);
  transform: translateY(-1px);
  box-shadow: 0 14px 28px -16px rgba(201, 162, 39, 0.52);
}
.nav-more-link:hover { color: var(--text); background: rgba(255, 255, 255, 0.08); }
.nav-more-link:focus-visible { color: var(--text); background: rgba(255, 255, 255, 0.08); }
.nav-more-menu[hidden] { display: none !important; }
@media (max-width: 900px) {
  .nav-more { display: none; }
  .nav-user-avatar.nav-user-avatar--mobile { display: inline-flex; }
}
.nav-cta { margin-left: auto; }
.account-dropdown { position: relative; }
.dropdown-toggle { position: relative; }
.dropdown-menu { position: absolute; right: 0; top: calc(100% + 8px); background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-2); min-width: 220px; box-shadow: 0 18px 40px rgba(0,0,0,.45); display: none; gap: .25rem; z-index: 1000; }
.account-dropdown.open .dropdown-menu { display: grid; }
.dropdown-menu a { text-decoration: none; color: var(--text); padding: .4rem .5rem; border-radius: var(--radius-sm); }
.dropdown-menu a:hover { background: rgba(255,255,255,0.03); }
.dropdown-menu hr { border: 0; border-top: 1px solid var(--line); margin: .25rem 0; }

.nav-toggle {
  display: none;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 0.35rem;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  --toggle-line-offset: 7px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transform-origin: center;
  transition: transform 0.25s ease, opacity 0.25s ease, background 0.2s ease;
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
}
.nav-toggle:focus-visible {
  outline: 2px solid rgba(229, 181, 103, 0.55);
  outline-offset: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(229, 181, 103, 0.35);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(var(--toggle-line-offset)) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(calc(-1 * var(--toggle-line-offset))) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--line);
  background: rgba(11,11,13,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  width: 100%;
  height: calc(100vh - 4rem);
  position: fixed;
  top: 4rem;
  left: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  z-index: 30;
}
.mobile-menu a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
}
.mobile-menu a + a { margin-top: var(--space-1); }
.mobile-menu a.is-active { color: var(--gold); }
.mobile-menu .btn { align-self: start; }