/* Site guide widget — floating help panel */

.site-guide {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9000;
  font-family: var(--font-sans);
}

.site-guide__launcher {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  background: var(--color-action);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.15s ease;
}

.site-guide__launcher-icon {
  width: 28px;
  height: 28px;
  display: block;
}

.site-guide__launcher:hover {
  background: #2563eb;
  transform: scale(1.04);
}

.site-guide__launcher:focus-visible {
  outline: 2px solid var(--color-action);
  outline-offset: 3px;
}

.site-guide__panel {
  position: absolute;
  bottom: calc(56px + 16px);
  right: 0;
  width: min(400px, calc(100vw - 48px));
  max-height: min(560px, 70vh);
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.site-guide__panel[hidden] {
  display: none;
}

.site-guide__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.site-guide__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.site-guide__subtitle {
  margin: 4px 0 0;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.site-guide__header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.site-guide__clear {
  padding: 6px 10px;
  border: 1px solid var(--border-default);
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.site-guide__clear:hover {
  border-color: var(--text-tertiary);
  color: var(--text-primary);
  background: var(--border-subtle);
}

.site-guide__clear:focus-visible {
  outline: 2px solid var(--color-action);
  outline-offset: 2px;
}

.site-guide__close {
  flex-shrink: 0;
  min-width: 24px;
  min-height: 24px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.site-guide__close:hover {
  background: var(--border-subtle);
  color: var(--text-primary);
}

.site-guide__close:focus-visible {
  outline: 2px solid var(--color-action);
  outline-offset: 2px;
}

.site-guide__main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.site-guide__thread-wrap {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 16px;
  -webkit-overflow-scrolling: touch;
}

.site-guide__compose {
  flex-shrink: 0;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.site-guide__input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
  min-height: 56px;
}

.site-guide__input:focus {
  outline: 2px solid var(--color-action);
  outline-offset: 1px;
  border-color: var(--color-action);
}

.site-guide__send {
  margin-top: 8px;
  width: 100%;
}

.site-guide__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.site-guide__thread {
  margin: 0;
}

.site-guide__thread--loading {
  color: var(--text-secondary);
  font-style: italic;
  font-size: 0.9rem;
}

.site-guide__turn {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.site-guide__turn:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.site-guide__question {
  margin: 0 0 10px;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.site-guide__question span {
  color: var(--text-primary);
  font-weight: 600;
}

.site-guide__answer {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-primary);
}

.site-guide__answer p {
  margin: 0 0 10px;
}

.site-guide__answer p:last-child {
  margin-bottom: 0;
}

.site-guide__answer--loading,
.site-guide__answer--error {
  color: var(--text-secondary);
  font-style: italic;
}

.site-guide__sources {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.site-guide__sources-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  width: 100%;
}

.site-guide__disclosure {
  margin: 10px 0 0;
  padding-top: 0;
  border-top: none;
  font-size: 0.7rem;
  line-height: 1.45;
  color: var(--text-tertiary);
}

.site-guide__topic-section {
  margin-top: 14px;
}

.site-guide__topic-section:first-of-type {
  margin-top: 10px;
}

.site-guide__topic-section-title {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

.site-guide__topic-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-guide__topic-list li {
  margin: 0 0 6px;
}

.site-guide__topic-list a {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-canvas);
  color: var(--color-action);
  font-size: 0.85rem;
  line-height: 1.35;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.site-guide__topic-list a:hover {
  border-color: var(--border-default);
  background: var(--bg-surface);
  text-decoration: underline;
}

.site-guide__feedback {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.site-guide__feedback-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.site-guide__feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-guide__feedback-thanks {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

@media (max-width: 480px) {
  .site-guide {
    bottom: 16px;
    right: 16px;
    left: 16px;
  }

  .site-guide__panel {
    width: 100%;
    right: 0;
    left: 0;
    max-height: 70vh;
  }

  .site-guide__launcher {
    margin-left: auto;
    display: flex;
  }
}