/* ============================================================
   nav.css — Shared navigation component for tradingline.net
   Modern glass-morphism header with mobile hamburger menu
   ============================================================ */

/* --- Header Container --- */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(243, 246, 246, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border, #DCE6E4);
  transition: box-shadow 0.3s ease;
}
#site-header.scrolled {
  box-shadow: 0 2px 20px rgba(14, 92, 86, 0.06);
}

/* --- Nav Bar --- */
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

/* --- Logo --- */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink, #132B2A);
  font-family: 'Cairo', sans-serif;
  font-weight: 800;
  font-size: 20px;
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.8; }
.nav-logo .mark {
  display: flex;
  gap: 3px;
  align-items: flex-end;
  height: 22px;
}
.nav-logo .mark span {
  width: 5px;
  border-radius: 2px;
}

/* --- Center Nav Links (Desktop) --- */
.nav-center {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13.5px;
  color: var(--ink-soft, #4C6462);
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
  cursor: pointer;
}
.nav-link:hover {
  background: var(--surface-soft, #EAF1F0);
  color: var(--ink, #132B2A);
}
.nav-link.active {
  background: var(--primary-tint, #DCEBE9);
  color: var(--primary-dark, #0A3F3B);
  font-weight: 700;
  border-color: rgba(14, 92, 86, 0.1);
}

/* --- Right Side Actions --- */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Language Toggle */
.nav-lang-btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: 999px;
  font-family: 'Tajawal', sans-serif;
  font-weight: 700;
  font-size: 12.5px;
  color: var(--primary, #0E5C56);
  background: transparent;
  border: 1.5px solid var(--primary, #0E5C56);
  cursor: pointer;
  transition: all 0.2s ease;
}
.nav-lang-btn:hover {
  background: var(--primary, #0E5C56);
  color: #fff;
}

/* Join / Sign Up Button */
.nav-join-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 999px;
  font-family: 'Tajawal', sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  background: var(--primary, #0E5C56);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(14, 92, 86, 0.25);
}
.nav-join-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(14, 92, 86, 0.35);
}

/* Greeting */
.nav-greeting {
  font-weight: 700;
  font-size: 13px;
  color: var(--ink, #132B2A);
  white-space: nowrap;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Logout (desktop) */
.nav-logout-btn {
  display: none;
  align-items: center;
  padding: 7px 14px;
  border-radius: 999px;
  font-family: 'Tajawal', sans-serif;
  font-weight: 700;
  font-size: 12.5px;
  color: var(--coral, #E1614F);
  background: transparent;
  border: 1.5px solid var(--coral, #E1614F);
  cursor: pointer;
  transition: all 0.2s ease;
}
.nav-logout-btn:hover {
  background: var(--coral, #E1614F);
  color: #fff;
}

/* Notification Bell */
.nav-notif-btn {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--border, #DCE6E4);
  background: var(--surface, #fff);
  color: var(--muted, #7C918F);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s ease;
}
.nav-notif-btn:hover {
  border-color: var(--primary, #0E5C56);
  color: var(--primary, #0E5C56);
}
.nav-notif-btn .notif-badge {
  position: absolute;
  top: -2px;
  left: -2px;
  min-width: 16px;
  height: 16px;
  background: var(--coral, #E1614F);
  border-radius: 999px;
  font-size: 9px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  padding: 0 4px;
  border: 2px solid var(--bg, #F3F6F6);
}

/* User Avatar */
.nav-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary, #0E5C56), var(--gold, #C89B3C));
  display: none;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.2s;
  text-decoration: none;
}
.nav-avatar:hover { transform: scale(1.05); }

/* --- Hamburger Button --- */
.nav-hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1.5px solid var(--border, #DCE6E4);
  background: var(--surface, #fff);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px;
  transition: all 0.2s ease;
}
.nav-hamburger:hover {
  border-color: var(--primary, #0E5C56);
}
.nav-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink, #132B2A);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Dropdown Menu — appears below header, no scroll needed --- */
#site-header { position: sticky; }
.nav-bar { position: relative; }
.nav-mobile {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  width: 320px;
  max-width: calc(100vw - 24px);
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  background: #FFFFFF;
  border: 1px solid var(--border, #DCE6E4);
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(14, 92, 86, 0.14), 0 4px 12px rgba(0,0,0,0.06);
  padding: 10px;
  z-index: 999;
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.nav-mobile.open {
  display: block;
  opacity: 1;
  transform: translateY(0) scale(1);
}
/* RTL = dropdown from right (Arabic) — under hamburger */
html[dir="rtl"] .nav-mobile { right: 16px; left: auto; }
html[dir="ltr"] .nav-mobile { left: 16px; right: auto; }
/* backdrop — subtle, covers page */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  top: 58px;
  background: rgba(19, 43, 42, 0.12);
  z-index: 998;
}
.nav-backdrop.open { display: block; }
.nav-mobile-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-soft, #4C6462);
  text-decoration: none;
  transition: all 0.2s ease;
}
.nav-mobile-link:hover,
.nav-mobile-link.active {
  background: var(--primary-tint, #DCEBE9);
  color: var(--primary-dark, #0A3F3B);
}
.nav-mobile-divider {
  height: 1px;
  background: var(--border, #DCE6E4);
  margin: 8px 0;
}
.nav-mobile-logout {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  color: var(--coral, #E1614F);
  cursor: pointer;
  transition: all 0.2s ease;
}
.nav-mobile-logout:hover {
  background: var(--coral-tint, #FBE7E3);
}

/* Desktop uses drawer like mobile — click ☰ to see full menu */
.nav-center { display: none !important; }
.nav-hamburger { display: flex !important; }
.nav-greeting { display: none !important; }
.nav-logout-btn { display: none !important; }

@media (max-width: 480px) {
  .nav-bar { padding: 10px 16px; }
  .nav-logo { font-size: 18px; }
  .nav-join-btn { padding: 7px 14px; font-size: 12px; }
  .nav-lang-btn { padding: 6px 10px; font-size: 11px; }
  .nav-mobile { padding: 8px 16px 16px; }
}

/* RTL/LTR text alignment inside drawer */
html[dir="rtl"] .nav-mobile { direction: rtl; }
html[dir="rtl"] .nav-mobile-link,
html[dir="rtl"] .nav-mobile-logout { text-align: right; }
html[dir="ltr"] .nav-mobile { direction: ltr; }
html[dir="ltr"] .nav-mobile-link,
html[dir="ltr"] .nav-mobile-logout { text-align: left; }

/* Top nav — prevent wrapping on mid-width screens */
@media (max-width: 1100px) and (min-width: 901px) {
  .nav-center { gap: 0; }
  .nav-link { padding: 7px 10px; font-size: 12.5px; }
  .nav-bar { padding: 10px 14px; }
}

/* Scroll behavior */
body { padding-top: 0; }