/* Vestibule hidden menu — production styling.
 * The menu is injected by content.js as a fixed-position overlay at the
 * top-center of the viewport. It slides down when the mouse touches the
 * top 3px of the screen, slides back up after 1.5s of mouse-leave.
 */

#vestibule-menu {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-100%);
  z-index: 2147483647; /* max int — always on top of host page */
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  background: rgba(15, 17, 22, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-top: none;
  border-radius: 0 0 10px 10px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  color: #e8eaed;
  opacity: 0;
  transition: transform 180ms ease, opacity 180ms ease;
  pointer-events: none;
  user-select: none;
}

#vestibule-menu.vestibule-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

#vestibule-menu button {
  background: transparent;
  border: 1px solid transparent;
  color: inherit;
  font: inherit;
  font-size: 16px;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1;
  min-width: 28px;
}

#vestibule-menu button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

#vestibule-menu button:active {
  background: rgba(255, 255, 255, 0.18);
}

#vestibule-menu button:focus-visible {
  outline: 2px solid #6aa6ff;
  outline-offset: 1px;
}

#vestibule-menu .vestibule-divider {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 2px;
}

/* Lock overlay — shown after session reset (idle timeout or wake).
 * Covers the entire viewport with a dark blur, presents a single
 * "Unlock" CTA. The host page is still loaded behind it (so a tab
 * refresh isn't required on unlock) but cannot be interacted with. */
#vestibule-lock-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483646; /* one less than the hidden menu */
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 10, 14, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  color: #e8eaed;
}

#vestibule-lock-overlay .vestibule-lock-card {
  text-align: center;
  max-width: 480px;
  padding: 32px 48px;
  background: rgba(28, 32, 40, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
}

#vestibule-lock-overlay h1 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 600;
  color: #fff;
}

#vestibule-lock-overlay p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.5;
  color: #b8bcc4;
}

#vestibule-lock-overlay button {
  margin-top: 16px;
  padding: 10px 24px;
  background: #3b82f6;
  border: none;
  border-radius: 8px;
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 120ms ease;
}

#vestibule-lock-overlay button:hover {
  background: #2563eb;
}

#vestibule-lock-overlay button:active {
  background: #1d4ed8;
}