/* ═══════════════════════════════════════════════════════════════
   SKILL CHAT — Agent-Scoped Conversation Panel
   Slide-in panel for focused chats with specialist agents
   ═══════════════════════════════════════════════════════════════ */

/* ── Overlay ── */
.skill-chat-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1100;
  backdrop-filter: blur(4px);
  transition: opacity 0.3s ease;
  opacity: 0;
}

.skill-chat-overlay.visible {
  display: block;
  opacity: 1;
}

/* ── Panel ── */
.skill-chat-panel {
  position: fixed;
  top: 0;
  right: -520px;
  width: 520px;
  max-width: 100vw;
  height: 100vh;
  background: var(--bg-primary);
  border-left: 1px solid var(--border);
  z-index: 1101;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.4);
}

.skill-chat-panel.visible {
  right: 0;
}

/* ── Header ── */
.skill-chat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.skill-chat-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.skill-chat-header-info {
  flex: 1;
  min-width: 0;
}

.skill-chat-header-info h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.skill-chat-header-info p {
  margin: 2px 0 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.skill-chat-domain-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 6px;
  flex-shrink: 0;
}

.skill-chat-close {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.skill-chat-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ── Tools Bar ── */
.skill-chat-tools {
  display: flex;
  gap: 6px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  flex-shrink: 0;
  background: var(--bg-secondary);
}

.skill-chat-tool-tag {
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  white-space: nowrap;
  border: 1px solid var(--border);
}

/* ── Messages Area ── */
.skill-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}
.skill-chat-messages::-webkit-scrollbar { width: 6px; }
.skill-chat-messages::-webkit-scrollbar-track { background: transparent; }
.skill-chat-messages::-webkit-scrollbar-thumb { 
  background: rgba(168, 85, 247, 0.3); 
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
.skill-chat-messages::-webkit-scrollbar-thumb:hover { background: var(--accent-purple); }

.skill-msg {
  display: flex;
  gap: 10px;
  max-width: 95%;
  animation: skillMsgIn 0.25s ease;
}

@keyframes skillMsgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.skill-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.skill-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  background: var(--bg-hover);
}

.skill-msg.user .skill-msg-avatar {
  background: rgba(139, 92, 246, 0.15);
}

.skill-msg-bubble {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-primary);
  word-break: break-word;
}

.skill-msg.assistant .skill-msg-bubble {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.skill-msg.user .skill-msg-bubble {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(99, 102, 241, 0.2));
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-bottom-right-radius: 4px;
}

.skill-msg-time {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

.skill-msg.user .skill-msg-time {
  text-align: right;
}

/* ── Greeting ── */
.skill-chat-greeting {
  text-align: center;
  padding: 24px 20px;
}

.skill-chat-greeting-icon {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.skill-chat-greeting h4 {
  margin: 0 0 6px 0;
  font-size: 1rem;
  color: var(--text-primary);
}

.skill-chat-greeting p {
  margin: 0 0 16px 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Example Prompts ── */
.skill-chat-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.skill-chat-example {
  font-size: 0.72rem;
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-hover);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.skill-chat-example:hover {
  border-color: var(--accent-purple);
  color: var(--accent-purple);
  transform: translateY(-1px);
}

/* ── Input Area ── */
.skill-chat-input-area {
  display: flex;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.skill-chat-input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  resize: none;
  min-height: 42px;
  max-height: 120px;
}

.skill-chat-input:focus {
  border-color: var(--accent-purple);
}

.skill-chat-send {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
  flex-shrink: 0;
  transition: transform 0.15s, opacity 0.15s;
}

.skill-chat-send:hover {
  transform: scale(1.05);
}

.skill-chat-send:active {
  transform: scale(0.95);
}

.skill-chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ── Typing Indicator ── */
.skill-chat-typing {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 0 20px;
}

.skill-chat-typing-dots {
  display: flex;
  gap: 4px;
  padding: 8px 14px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
}

.skill-chat-typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: skillTyping 1.4s ease infinite;
}

.skill-chat-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.skill-chat-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes skillTyping {
  0%, 80%, 100% { transform: scale(0.7); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ── Agent Card Click State ── */
.agent-card.clickable {
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.agent-card.clickable:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  border-color: var(--agent-color, var(--accent-purple));
}

.agent-card.clickable:active {
  transform: translateY(-1px);
}

/* Chat link in card */
.agent-card-chat-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 6px;
  transition: color 0.2s;
}

.agent-card.clickable:hover .agent-card-chat-link {
  color: var(--agent-color, var(--accent-purple));
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .skill-chat-panel {
    width: 100vw;
    right: -100vw;
  }
}