/* ============================================================
   Zelentio — Navigation Styles
   Bybit/Bitget-level mega dropdown navigation
   ============================================================ */

/* ── Top Bar ─────────────────────────────────────────────────── */
.topbar {
  height: 36px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  overflow: hidden;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 16px;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.topbar-ticker {
  flex: 1;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}
.topbar-ticker-track {
  display: flex;
  gap: 32px;
  white-space: nowrap;
  animation: tickerScroll 60s linear infinite;
}
.topbar-ticker-track:hover { animation-play-state: paused; }
.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.ticker-item img { width: 16px; height: 16px; border-radius: 50%; }
.ticker-item .sym { font-weight: 600; color: var(--text); font-size: 11px; }
.ticker-item .prc { font-size: 11px; color: var(--text); }
.ticker-item .chg { font-size: 10px; font-weight: 700; }
@keyframes tickerScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Main Navbar ─────────────────────────────────────────────── */
.navbar {
  height: var(--nav-h);
  position: fixed;
  top: 36px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6,11,20,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: top var(--transition), background var(--transition);
}
[data-theme="light"] .navbar {
  background: rgba(240,244,248,0.95);
}
[data-theme="dim"] .navbar {
  background: rgba(14,22,33,0.94);
}
.navbar.topbar-hidden { top: 0; }

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 4px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Logo ─────────────────────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: 16px;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo-text {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 22px;
  color: var(--primary);
  letter-spacing: -1px;
  line-height: 1;
}
.nav-logo-img { height: 36px; width: auto; }

/* ── Nav Items ───────────────────────────────────────────────── */
.nav-items {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.nav-item {
  position: relative;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.nav-link:hover { color: var(--primary); background: rgba(0,212,255,0.06); }
.nav-link.active { color: var(--primary); }
.nav-arrow {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
  opacity: 0.6;
}
.nav-item:hover .nav-arrow { transform: rotate(180deg); opacity: 1; }

/* ── Mega Dropdown ───────────────────────────────────────────── */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  overflow: hidden;
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  padding: 8px;
}
.nav-dropdown-grid.single { grid-template-columns: 1fr; }

.nav-dd-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  color: var(--text);
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}
.nav-dd-item:hover { background: rgba(0,212,255,0.08); color: var(--primary); }
.nav-dd-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(0,212,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  transition: background var(--transition);
}
.nav-dd-item:hover .nav-dd-icon { background: rgba(0,212,255,0.18); }
.nav-dd-label { font-size: 14px; font-weight: 600; line-height: 1.3; }
.nav-dd-desc  { font-size: 11px; color: var(--muted); margin-top: 2px; line-height: 1.4; }

/* ── Nav Right Section ───────────────────────────────────────── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

.nav-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-icon-btn:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.nav-icon-btn svg { width: 20px; height: 20px; }

/* Language dropdown */
.lang-dropdown {
  position: relative;
}
.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  transition: color var(--transition), background var(--transition);
  cursor: pointer;
}
.lang-btn:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.lang-btn img { width: 18px; height: 18px; border-radius: 50%; object-fit: cover; }

.lang-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  max-height: 320px;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 200;
}
.lang-dropdown:hover .lang-panel,
.lang-dropdown.open .lang-panel {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  cursor: pointer;
  font-size: 13px;
  transition: background var(--transition);
}
.lang-option:hover { background: rgba(0,212,255,0.07); color: var(--primary); }
.lang-option.active { color: var(--primary); font-weight: 600; }
.lang-option img { width: 20px; height: 20px; border-radius: 50%; object-fit: cover; }

/* Theme switcher */
.theme-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 18px;
  transition: all var(--transition);
  cursor: pointer;
}
.theme-btn:hover { color: var(--primary); background: rgba(0,212,255,0.08); }

.theme-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px;
  box-shadow: var(--shadow-md);
  display: flex;
  gap: 4px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 200;
  white-space: nowrap;
}
.theme-wrap:hover .theme-panel,
.theme-wrap.open .theme-panel {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.theme-opt {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
}
.theme-opt:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.theme-opt.active { color: var(--primary); background: rgba(0,212,255,0.1); }
.theme-dot { width: 10px; height: 10px; border-radius: 50%; }

/* ── Mobile Hamburger ────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}
.nav-hamburger:hover { background: rgba(255,255,255,0.06); }
.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Drawer ───────────────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  backdrop-filter: blur(4px);
}
.nav-overlay.open { opacity: 1; pointer-events: all; }

.nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 300px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.nav-drawer.open { transform: translateX(0); }

.nav-drawer-head {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}
.nav-drawer-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 18px;
  cursor: pointer;
}
.nav-drawer-close:hover { color: var(--text); background: rgba(255,255,255,0.06); }

.nav-drawer-section { padding: 12px 16px 4px; }
.nav-drawer-sec-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0 4px;
  margin-bottom: 6px;
}
.nav-drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: all var(--transition);
  text-decoration: none;
}
.nav-drawer-link:hover { background: rgba(0,212,255,0.07); color: var(--primary); }
.nav-drawer-link .icon { font-size: 16px; margin-right: 10px; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav-items { gap: 0; }
  .nav-link  { padding: 8px 10px; font-size: 13px; }
}

@media (max-width: 860px) {
  .nav-items      { display: none; }
  .nav-hamburger  { display: flex; }
  .topbar         { display: none; }
  .navbar         { top: 0; }
  .page-wrap      { padding-top: var(--nav-h); }
}