/* ===== Discussion Comments ===== */
/* Right sidebar panel for per-message discussion comments */

/* Toggle button on messages */
.discussion-toggle-btn {
  display: flex; align-items: center; gap: 0.25rem;
  padding: 0.25rem; background: transparent; border: none; border-radius: 4px;
  color: var(--text-muted); cursor: pointer; transition: all 0.2s ease;
  font-size: 0.75rem;
}
.discussion-toggle-btn.has-comments { color: var(--gold-primary); }

/* Header toggle — inverted icon button */
.btn-icon.discussion-header-btn {
  background: var(--gold-primary);
  border-color: var(--gold-primary);
  color: var(--bg-deep);
}
.btn-icon.discussion-header-btn:hover {
  opacity: 0.85;
  border-color: var(--gold-primary);
  color: var(--bg-deep);
}
.discussion-toggle-btn:hover { color: var(--gold-primary); background: var(--bg-base); }
.chat-message-user .discussion-toggle-btn { color: var(--bg-deep); opacity: 0.5; }
.chat-message-user .discussion-toggle-btn:hover { opacity: 1; background: rgba(0, 0, 0, 0.1); color: var(--bg-deep); }
.discussion-count { font-weight: 600; font-size: 0.6875rem; }

/* Sidebar comment badge */
.inbox-sidebar-comment-badge {
  display: inline-flex; align-items: center;
  color: var(--gold-primary);
}


/* Layout: open sidebar alongside chat */
.inbox-main.discussion-open { flex-direction: row; }
.discussion-open .inbox-detail { flex: 1; min-width: 0; }

/* Panel */
.discussion-panel {
  width: 340px;
  max-width: 35%;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border-subtle);
  height: 100%;
  animation: discussionSlideIn 0.2s ease-out;
}
.discussion-panel-hidden { display: none !important; }

@keyframes discussionSlideIn {
  from { transform: translateX(20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.discussion-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-muted);
  flex-shrink: 0;
}
.discussion-panel-header h3 {
  margin: 0; font-size: 0.875rem; font-weight: 600; color: var(--text-primary);
}
.discussion-panel-close {
  display: flex; align-items: center; justify-content: center;
  padding: 0.25rem; background: transparent; border: none; border-radius: 4px;
  color: var(--text-muted); cursor: pointer;
}
.discussion-panel-close:hover { color: var(--text-primary); background: var(--bg-base); }

.discussion-panel-body {
  flex: 1; overflow-y: auto; padding: 0.75rem;
}

.discussion-panel-empty {
  text-align: center; padding: 2rem 1rem; color: var(--text-muted); font-size: 0.8125rem;
}
.discussion-panel-empty p { margin: 0; }

/* Thread (one per message with comments) */
.discussion-thread {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-muted);
}
.discussion-thread:last-child { border-bottom: none; }

.discussion-thread-anchor {
  display: flex; align-items: center; gap: 0.5rem;
  background: color-mix(in srgb, var(--text-primary) 8%, var(--bg-elevated)); padding: 0.5rem 0.625rem; margin-bottom: 0.5rem;
  cursor: pointer; text-align: left; width: 100%;
  border: 1px solid var(--border-muted); border-radius: 10px;
  color: inherit; transition: border-color 0.15s ease;
}
.discussion-thread-anchor:hover { border-color: var(--gold-primary); }

.discussion-thread-role {
  font-size: 0.625rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 0.125rem 0.375rem;
  border-radius: 3px; flex-shrink: 0;
}
.discussion-thread-role.user { background: var(--gold-primary); color: var(--bg-deep); }
.discussion-thread-role.assistant { background: var(--bg-base); color: var(--text-secondary); border: 1px solid var(--border-muted); }

.discussion-thread-preview {
  font-size: 0.75rem; color: var(--text-muted); line-height: 1.3;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  transition: color 0.15s;
}

/* Message highlight when clicking thread anchor */
.discussion-highlight .chat-bubble {
  animation: discussionPulse 2s ease-out;
  box-shadow: 0 0 0 2px var(--gold-primary);
}
@keyframes discussionPulse {
  0% { box-shadow: 0 0 0 2px var(--gold-primary); }
  100% { box-shadow: 0 0 0 2px transparent; }
}

/* Individual comments */
.discussion-comments-list { display: flex; flex-direction: column; gap: 0.375rem; }
.discussion-comments-list:not(:empty) { margin-bottom: 0.5rem; }

.discussion-comment {
  display: flex; gap: 0.5rem;
  padding: 0.375rem 0;
}

.discussion-comment-avatar { flex-shrink: 0; margin-top: 0.125rem; }

.discussion-comment-body { flex: 1; min-width: 0; }

.discussion-comment-header {
  display: flex; align-items: center; gap: 0.375rem;
  margin-bottom: 0.125rem;
}
.discussion-comment-author {
  font-size: 0.6875rem; font-weight: 600; color: var(--text-primary);
}
.discussion-comment-time {
  font-size: 0.625rem; color: var(--text-muted);
}
.discussion-comment-delete {
  display: flex; align-items: center; justify-content: center;
  margin-left: auto; padding: 0.125rem; background: transparent;
  border: none; border-radius: 4px; color: var(--text-muted);
  cursor: pointer; opacity: 0; transition: opacity 0.15s ease;
}
.discussion-comment:hover .discussion-comment-delete { opacity: 1; }
.discussion-comment-delete:hover { color: var(--error, #e53e3e); }

.discussion-comment-content {
  font-size: 0.8125rem; color: var(--text-primary); line-height: 1.4;
}
.discussion-comment-content span { display: inline; }

/* Comment form */
.discussion-form { margin: 0; }
.discussion-form-row {
  display: flex; align-items: center; gap: 0.375rem;
}
.discussion-input {
  flex: 1; padding: 0.375rem 0.5rem;
  border: 1px solid var(--border-muted); border-radius: 6px;
  background: var(--bg-base); color: var(--text-primary);
  font-size: 0.8125rem; font-family: inherit;
}
.discussion-input:focus { outline: none; border-color: var(--gold-primary); }
.discussion-input::placeholder { color: var(--text-muted); }

.discussion-submit-btn {
  display: flex; align-items: center; justify-content: center;
  padding: 0.375rem; background: var(--gold-primary);
  border: none; border-radius: 6px; color: var(--bg-base);
  cursor: pointer; flex-shrink: 0;
}
.discussion-submit-btn:hover { opacity: 0.9; }