/* ==========================================================================
   2. Top Navbar & Navigation Styles
   ========================================================================== */
.top-navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--bg-card-glass);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
  gap: 16px;
  flex-wrap: wrap;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--brand-teal), var(--brand-teal-light));
  color: var(--brand-gold);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 10px rgba(15, 61, 62, 0.25);
}

.brand-text h1 {
  font-size: 18px;
  font-weight: 800;
  color: var(--brand-teal);
  line-height: 1.2;
}

[data-theme="dark"] .brand-text h1 {
  color: var(--brand-gold);
}

.brand-text span {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Nav View Modes / Tabs */
.view-mode-tabs {
  display: flex;
  background: var(--bg-primary);
  padding: 4px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  gap: 4px;
}

.view-tab-btn {
  padding: 8px 18px;
  border-radius: 20px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.view-tab-btn:hover {
  color: var(--text-primary);
}

.view-tab-btn.active {
  background: linear-gradient(135deg, var(--brand-teal), var(--brand-teal-light));
  color: #ffffff;
  box-shadow: 0 3px 8px rgba(15, 61, 62, 0.25);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--brand-teal);
  padding: 8px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

[data-theme="dark"] .lang-toggle-btn {
  color: var(--brand-gold);
}

.lang-toggle-btn:hover {
  background: var(--brand-teal-soft);
  border-color: var(--brand-teal);
}

.theme-toggle-btn, .btn-action {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.theme-toggle-btn:hover, .btn-action:hover {
  border-color: var(--brand-teal-light);
  background: var(--brand-teal-soft);
  color: var(--brand-teal);
}

.btn-export {
  background: linear-gradient(135deg, var(--brand-gold), #dfb332);
  color: #0b1a30;
  border: none;
  padding: 8px 16px;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 10px rgba(197, 155, 39, 0.25);
  transition: var(--transition);
}

.btn-export:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(197, 155, 39, 0.35);
}

@media (max-width: 900px) {
  .top-navbar {
    padding: 10px 16px;
  }
  .view-tab-btn {
    padding: 6px 12px;
    font-size: 12px;
  }
}