.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-navbar, 1000);
  height: var(--nav-height, 72px);
  background: var(--nav-bg, rgba(10, 15, 30, 0.8));
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--nav-border, rgba(255,255,255,0.07));
  transition: background var(--transition-base, 0.25s), box-shadow var(--transition-base, 0.25s);
  will-change: background;
}

.navbar.scrolled {
  background: var(--nav-bg-scrolled, rgba(10, 15, 30, 0.95));
  box-shadow: 0 4px 40px rgba(0,0,0,0.4);
}

.navbar-inner {
  max-width: var(--container-max, 1280px);
  margin: 0 auto;
  padding: 0 var(--space-xl, 40px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl, 40px);
}

/* ---- LOGO ---- */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-logo:hover {
  text-decoration: none;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-accent, linear-gradient(135deg, #4F8EF7, #7C5CFC));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--shadow-accent, 0 4px 30px rgba(79, 142, 247, 0.35));
  transition: transform var(--transition-base, 0.25s);
  flex-shrink: 0;
}
.navbar-logo:hover .logo-icon {
  transform: rotate(8deg) scale(1.05);
}

.logo-text {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-weight: 800;
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-primary, #F0F4FF);
  letter-spacing: -0.02em;
}
.logo-text span { color: var(--accent, #4F8EF7); }

/* ---- NAV LINKS ---- */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.navbar-nav a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-md, 12px);
  text-decoration: none;
  font-family: var(--font-display, 'Syne', sans-serif);
  font-weight: 600;
  font-size: var(--text-sm, 0.875rem);
  color: var(--text-secondary, #9BA8C1);
  transition: color var(--transition-fast, 0.15s), background var(--transition-fast, 0.15s);
  position: relative;
}
.navbar-nav a:hover {
  color: var(--text-primary, #F0F4FF);
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}
.navbar-nav a.active {
  color: var(--accent, #4F8EF7);
  background: rgba(255,255,255,0.06);
}

/* ---- APPS MENU BUTTON ---- */
.apps-menu-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: hsla(var(--accent-h, 217), var(--accent-s, 90%), var(--accent-l, 64%), 0.12);
  border: 1px solid hsla(var(--accent-h, 217), var(--accent-s, 90%), var(--accent-l, 64%), 0.25);
  border-radius: var(--radius-md, 12px);
  color: var(--accent, #4F8EF7);
  font-family: var(--font-display, 'Syne', sans-serif);
  font-weight: 600;
  font-size: var(--text-sm, 0.875rem);
  cursor: pointer;
  transition: background var(--transition-fast, 0.15s), border-color var(--transition-fast, 0.15s), transform var(--transition-fast, 0.15s);
  position: relative;
}
.apps-menu-btn:hover {
  background: hsla(var(--accent-h, 217), var(--accent-s, 90%), var(--accent-l, 64%), 0.2);
  border-color: var(--accent, #4F8EF7);
  transform: translateY(-1px);
}
.apps-menu-btn .dot {
  width: 6px; height: 6px;
  background: var(--accent-3, #00D4AA);
  border-radius: 50%;
  animation: pulse-glow 2s infinite;
}

/* ---- APPS DROPDOWN ---- */
.apps-dropdown {
  position: absolute;
  top: calc(var(--nav-height, 72px) + 8px);
  right: var(--space-xl, 40px);
  width: min(480px, calc(100vw - 32px));
  background: var(--secondary, #111827);
  border: 1px solid var(--border, rgba(255,255,255,0.07));
  border-radius: var(--radius-xl, 32px);
  padding: var(--space-lg, 24px);
  box-shadow: var(--shadow-lg, 0 8px 40px rgba(0,0,0,0.6)), 0 0 0 1px rgba(255,255,255,0.03);
  z-index: var(--z-dropdown, 100);
  display: none;
  animation: fadeInUp 0.25s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
  max-height: calc(100vh - var(--nav-height, 72px) - 24px);
  overflow-y: auto;
}
.apps-dropdown.open { display: block; }

.apps-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg, 24px);
  padding-bottom: var(--space-md, 16px);
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.07));
}
.apps-dropdown-header h4 {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-size: var(--text-sm, 0.9rem);
  color: var(--text-secondary, #9BA8C1);
  font-weight: 600;
}
.apps-dropdown-title {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-size: var(--text-base, 1rem);
  font-weight: 700;
}
.close-dropdown {
  background: none; border: none;
  color: var(--text-muted, #5C6882);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm, 6px);
  transition: color var(--transition-fast, 0.15s), background var(--transition-fast, 0.15s);
  font-size: 1.2rem;
  line-height: 1;
}
.close-dropdown:hover {
  color: var(--text-primary, #F0F4FF);
  background: rgba(255,255,255,0.06);
}

.apps-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm, 8px);
}

.app-item {
  display: flex;
  align-items: center;
  gap: var(--space-md, 16px);
  padding: var(--space-md, 16px);
  border-radius: var(--radius-md, 12px);
  border: 1px solid var(--border, rgba(255,255,255,0.07));
  background: var(--surface, #161D2F);
  transition: border-color var(--transition-fast, 0.15s), background var(--transition-fast, 0.15s);
}
.app-item:hover {
  border-color: var(--border-hover, rgba(79, 142, 247, 0.4));
  background: var(--surface-2, #1E2740);
}

.app-icon-wrap {
  width: 48px; height: 48px;
  border-radius: var(--radius-md, 12px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.app-info { flex: 1; min-width: 0; }
.app-name {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-weight: 700;
  font-size: var(--text-sm, 0.9rem);
  color: var(--text-primary, #F0F4FF);
  margin-bottom: 2px;
}
.app-desc {
  font-size: var(--text-xs, 0.78rem);
  color: var(--text-muted, #5C6882);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-links { display: flex; gap: 6px; flex-shrink: 0; }
.app-link-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: var(--radius-sm, 6px);
  font-size: var(--text-xs, 0.72rem);
  font-weight: 700;
  font-family: var(--font-display, 'Syne', sans-serif);
  text-decoration: none;
  transition: background var(--transition-fast, 0.15s);
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.app-link-btn:hover { text-decoration: none; }
.app-link-btn.website {
  background: var(--accent-glow, rgba(79, 142, 247, 0.25));
  color: var(--accent, #4F8EF7);
  border: 1px solid hsla(var(--accent-h, 217), var(--accent-s, 90%), var(--accent-l, 64%), 0.25);
}
.app-link-btn.website:hover { background: hsla(var(--accent-h, 217), var(--accent-s, 90%), var(--accent-l, 64%), 0.3); }

/* ---- NAVBAR ACTIONS ---- */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm, 8px);
  flex-shrink: 0;
}

/* ---- THEME TOGGLE ---- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md, 12px);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border, rgba(255,255,255,0.07));
  color: var(--text-secondary, #9BA8C1);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background var(--transition-fast, 0.15s), color var(--transition-fast, 0.15s), border-color var(--transition-fast, 0.15s);
  line-height: 1;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary, #F0F4FF);
  border-color: var(--border-hover, rgba(79, 142, 247, 0.4));
}
[data-theme="light"] .theme-toggle {
  background: rgba(0,0,0,0.04);
  border-color: var(--border, rgba(0,0,0,0.08));
}
[data-theme="light"] .theme-toggle:hover {
  background: rgba(0,0,0,0.08);
}

/* ---- HAMBURGER ---- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
  border-radius: var(--radius-md, 12px);
  background: none;
  border: none;
  transition: background var(--transition-fast, 0.15s);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger:hover { background: rgba(255,255,255,0.06); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary, #F0F4FF);
  border-radius: 99px;
  transition: transform var(--transition-base, 0.25s), opacity var(--transition-base, 0.25s), width var(--transition-base, 0.25s);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- MOBILE NAV ---- */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height, 72px);
  left: 0; right: 0;
  bottom: 0;
  background: var(--nav-bg-scrolled, rgba(10, 15, 30, 0.95));
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--nav-border, rgba(255,255,255,0.07));
  padding: var(--space-lg, 24px) var(--space-md, 16px);
  z-index: var(--z-mobile-nav, 999);
  animation: fadeInUp 0.2s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
  overflow-y: auto;
}
.mobile-nav.open { display: block; }
.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-md, 12px);
  text-decoration: none;
  font-family: var(--font-display, 'Syne', sans-serif);
  font-weight: 600;
  font-size: var(--text-base, 1rem);
  color: var(--text-secondary, #9BA8C1);
  transition: color var(--transition-fast, 0.15s), background var(--transition-fast, 0.15s);
}
.mobile-nav a:hover {
  color: var(--text-primary, #F0F4FF);
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}
.mobile-nav a.active {
  color: var(--accent, #4F8EF7);
  background: rgba(255,255,255,0.06);
}
.mobile-nav-apps-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-md, 12px);
  font-family: var(--font-display, 'Syne', sans-serif);
  font-weight: 600;
  font-size: var(--text-base, 1rem);
  color: var(--accent, #4F8EF7);
  background: hsla(var(--accent-h, 217), var(--accent-s, 90%), var(--accent-l, 64%), 0.08);
  border: 1px solid hsla(var(--accent-h, 217), var(--accent-s, 90%), var(--accent-l, 64%), 0.2);
  cursor: pointer;
  width: 100%;
  margin-top: 12px;
  transition: background var(--transition-fast, 0.15s);
}
.mobile-nav-apps-btn:hover { background: hsla(var(--accent-h, 217), var(--accent-s, 90%), var(--accent-l, 64%), 0.15); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .navbar-nav { display: none; }
  .hamburger { display: flex; }
  .apps-dropdown {
    right: var(--space-md, 16px);
    width: calc(100vw - 32px);
  }
}

@media (max-width: 768px) {
  .navbar-inner {
    padding: 0 var(--space-md, 16px);
  }
  .apps-menu-btn { display: none; }
}

@media (max-width: 480px) {
  .logo-text { font-size: 1rem; }
  .logo-icon { width: 32px; height: 32px; font-size: 15px; }
}

@media (max-width: 360px) {
  .navbar-inner { padding: 0 12px; gap: var(--space-sm, 8px); }
}