.question-chat-feature {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  background: var(--accent-gradient);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  overflow: hidden;
  -webkit-backdrop-filter: blur(1rem);
  backdrop-filter: blur(1rem);
  border: 0.0625rem solid rgba(255, 255, 255, 0.1);
}

.question-chat-feature:not(.expanded) {
  width: auto;
  height: 3.5rem;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 0.75rem;
  min-width: 3.5rem;
}

.question-chat-feature:not(.expanded):hover {
  transform: translateY(-0.125rem);
  box-shadow: var(--shadow-lg), 0 0 0 0.0625rem rgba(255, 255, 255, 0.1);
}

.question-chat-feature.expanded {
  width: 16rem;
  height: auto;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  transform: translateY(-0.5rem);
  box-shadow: var(--shadow-xl), 0 0 0 0.0625rem rgba(255, 255, 255, 0.15);
}

.question-chat-feature .chat-icon {
  color: var(--neutral-light);
  font-size: 1rem;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.question-chat-feature.expanded .chat-icon {
  transform: rotate(180deg);
}

.question-chat-feature .chat-text {
  color: var(--neutral-light);
  font-family: var(--font-body);
  font-weight: var(--fw-medium);
  font-size: 0.875rem;
  margin: 0;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.question-chat-feature.expanded .chat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 0.0625rem solid rgba(255, 255, 255, 0.15);
  margin-bottom: 0.25rem;
}

.question-chat-feature.expanded .chat-text {
  white-space: normal;
  font-size: 1rem;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-h6);
}

.chat-menu {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
}

.question-chat-feature.expanded .chat-menu {
  display: flex;
  animation: slideInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-menu .chat-button {
  background: rgba(255, 255, 255, 0.12);
  border: 0.0625rem solid rgba(255, 255, 255, 0.15);
  color: var(--neutral-light);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: var(--fw-medium);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  -webkit-backdrop-filter: blur(0.625rem);
  backdrop-filter: blur(0.625rem);
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.chat-menu .chat-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

.chat-menu .chat-button:hover::before {
  left: 100%;
}

.chat-menu .chat-button:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateX(0.5rem);
  box-shadow: var(--shadow-md);
}

.chat-menu .chat-button:active {
  transform: translateX(0.3125rem) scale(0.98);
}

.chat-menu .chat-button .button-icon {
  font-size: var(--fs-base);
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  display: none;
  background: rgba(17, 0, 28, 0.02);
  -webkit-backdrop-filter: blur(0.0625rem);
  backdrop-filter: blur(0.0625rem);
}

.question-chat-feature.expanded ~ .chat-overlay {
  display: block;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(0.9375rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  .question-chat-feature.expanded {
    width: 15rem;
  }
}

@media (max-width: 820px) {
  .question-chat-feature {
    bottom: 1rem;
    right: 1rem;
  }
  .question-chat-feature:not(.expanded) {
    height: 3rem;
    padding: 0 0.875rem;
    gap: 0.5rem;
    min-width: 3rem;
  }
  .question-chat-feature.expanded {
    width: calc(100vw - 2rem);
    max-width: 16rem;
    padding: 1.25rem;
  }
}

@media (max-width: 600px) {
  .question-chat-feature {
    bottom: 0.75rem;
    right: 0.75rem;
  }
  .question-chat-feature:not(.expanded) {
    height: 2.75rem;
    padding: 0 0.75rem;
    gap: 0.5rem;
    min-width: 2.75rem;
  }
  .question-chat-feature .chat-icon {
    width: 1rem;
    height: 1rem;
    font-size: 0.875rem;
  }
  .question-chat-feature .chat-text {
    font-size: 0.75rem;
  }
  .question-chat-feature.expanded {
    width: calc(100vw - 1.5rem);
    max-width: 14rem;
    padding: 1rem;
    gap: 0.875rem;
  }
  .question-chat-feature.expanded .chat-text {
    font-size: 0.875rem;
  }
  .chat-menu {
    gap: 0.625rem;
  }
  .chat-menu .chat-button {
    padding: 0.625rem 0.75rem;
    font-size: 0.75rem;
    gap: 0.5rem;
  }
  .chat-menu .chat-button .button-icon {
    width: 1rem;
    height: 1rem;
    font-size: 0.75rem;
  }
}

.question-chat-feature:focus-visible {
  outline: 0.125rem solid var(--primary-2);
  outline-offset: 0.125rem;
}
.chat-menu .chat-button:focus-visible {
  outline: 0.125rem solid var(--primary-2);
  outline-offset: 0.125rem;
}

@media (prefers-reduced-motion: reduce) {
  .question-chat-feature,
  .chat-menu .chat-button,
  .question-chat-feature .chat-icon {
    transition: none;
  }
}