.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 6px 8px;
  border-radius: 6px;
  flex-shrink: 0;
  transition: background 0.2s ease;
}

@media (hover: hover) {
  .hamburger-btn:hover {
    background: rgba(106, 90, 205, 0.15);
  }
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  border-radius: 2px;
}

@media (min-width: 651px) {
  .topnav .search-container {
    margin-left: auto;
    margin-right: 0;
  }

  .hamburger-btn {
    margin-left: 12px;
    margin-right: 24px;
  }
}

@media (max-width: 650px) {
  .topnav {
    position: relative;
  }

  .hamburger-btn {
    position: absolute;
    top: 14px;
    right: 24px;
    padding: 4px 6px;
  }
}

@media (max-width: 400px) {
  .hamburger-btn {
    top: 11px;
    right: 12px;
  }
}

.side-menu-overlay {
  position: fixed;
  inset: 0;
  background: transparent;
  z-index: 500;
  pointer-events: none;
  transition: background 0.25s ease;
}

.side-menu-overlay.is-open {
  background: rgba(0, 0, 0, 0.6);
  pointer-events: auto;
}

.side-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  height: 100dvh;
  width: 280px;
  max-width: 85vw;
  background: linear-gradient(180deg, #1a2332 0%, #131720 100%);
  border-left: 1px solid rgba(106, 90, 205, 0.25);
  transform: translateX(100%);
  transition: transform 0.28s ease;
  overflow-y: auto;
  padding: 0 0 calc(40px + env(safe-area-inset-bottom)) 0;
  box-sizing: border-box;
}

.side-menu-panel::-webkit-scrollbar {
  width: 4px;
}

.side-menu-panel::-webkit-scrollbar-thumb {
  background: rgba(106, 90, 205, 0.4);
  border-radius: 2px;
}

.side-menu-overlay.is-open .side-menu-panel {
  transform: translateX(0);
}

.side-menu-close-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.2rem;
  text-transform: none;
  cursor: pointer;
  display: block;
  margin-left: auto;
  padding: calc(env(safe-area-inset-top) + 30px) 30px 4px 4px;
  line-height: 1;
}

@media (hover: hover) {
  .side-menu-close-btn:hover {
    color: white;
  }
}

.side-menu-section {
  padding: 0 0 16px 0;
  border-bottom: 1px solid rgba(106, 90, 205, 0.12);
  margin-bottom: 4px;
}

.side-menu-section:last-child {
  border-bottom: none;
}

.side-menu-header {
  font-size: 1rem;
  font-weight: bold;
  letter-spacing: 1.5px;
  margin: 0;
  padding: 12px 24px 8px 24px;
  cursor: default;
}

.side-menu-header--link {
  cursor: pointer;
  transition: color 0.2s ease;
}

@media (hover: hover) {
  .side-menu-header--link:hover {
    color: #9d8ff0;
  }
}

.side-menu-item {
  font-size: 0.85rem;
  color: #CBD5E0;
  letter-spacing: 0.5px;
  margin: 0;
  padding: 9px 24px 7px 36px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

@media (hover: hover) {
  .side-menu-item:hover {
    color: white;
    background: rgba(106, 90, 205, 0.1);
  }
}

@media (max-width: 650px) {
  .side-menu-header {
    font-size: 0.9rem;
    padding: 12px 24px 8px 24px;
  }

  .side-menu-item {
    font-size: 0.78rem;
    padding: 9px 24px 7px 36px;
  }

  .side-menu-close-btn {
    padding: calc(env(safe-area-inset-top) + 20px) 20px 2px 4px;
  }
}

@media (max-width: 400px) {
  .hamburger-btn {
    padding: 6px 8px 10px 8px;
  }

  .side-menu-header {
    font-size: 0.85rem;
    padding: 6px 18px 6px 18px;
  }

  .side-menu-item {
    font-size: 0.7rem;
    padding: 9px 26px 7px 26px;
  }

  .side-menu-panel {
    width: 225px;
    max-width: 85vw;
    padding: 0 0 calc(40px + env(safe-area-inset-bottom)) 0;
  }

  .side-menu-close-btn {
    padding: calc(env(safe-area-inset-top) + 20px) 20px 2px 4px;
  }

  .side-menu-section {
    padding: 0 0 4px 0;
    margin-bottom: 8px;
  }
}