/* Header email signup button */
#email-signup-btn {
  flex-shrink: 0;
  background-color: #14b8a6; /* teal-500 */
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
  white-space: nowrap;
}
#email-signup-btn:hover {
  background-color: #0d9488; /* teal-600 */
}

/* Speech bubble button */
.feedback-btn {
  opacity: 0.45;
  transition: opacity 0.2s ease;
  cursor: pointer;
}
.feedback-btn:hover {
  opacity: 1;
}

/* Modal backdrop */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 50;
  justify-content: flex-end;
}
.modal-backdrop.open {
  display: flex;
}

/* Modal panel — right-anchored side sheet */
.modal-panel {
  width: 420px;
  max-width: 100vw;
  height: 100%;
  background: white;
  border-radius: 1rem 0 0 1rem;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
  position: relative;
  display: flex;
  flex-direction: column;
}
.modal-panel iframe {
  flex: 1;
  min-height: 0;
  border-radius: 0 0 0 1rem;
}

/* Email signup modal — centered dialog */
.email-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 50;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}
.email-modal-backdrop.open {
  display: flex;
}
.email-modal-panel {
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  position: relative;
  width: 100%;
  max-width: 660px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.email-modal-panel iframe {
  flex: 1;
  min-height: 500px;
  border: none;
}