/* Chat-specific styles */

/* Connection panel */
.connection-panel { margin-bottom: 1.5rem; }
.connection-panel h2 { font-size: 1.2rem; margin-bottom: 0.25rem; }
.connection-desc { color: var(--color-text-secondary); font-size: 0.9rem; margin-bottom: 1rem; }

.connection-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.connection-option {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}
.connection-option .connection-note {
  margin-top: auto;
  padding-top: 0.5rem;
}
.connection-option.recommended {
  border-color: var(--color-primary);
  border-width: 2px;
}
.recommended-badge {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.connection-option h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.connection-option > p { font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: 0.75rem; }
.connection-note { font-size: 0.8rem; color: var(--color-text-secondary); margin-top: 0.5rem; }

.key-input-group {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.key-input-group select {
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  background: var(--color-bg);
}
.key-input-group input {
  flex: 1;
  min-width: 120px;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
}

.session-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--color-primary); color: white; }
.btn-secondary { background: var(--color-bg); color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-text { background: none; border: none; color: var(--color-text-secondary); cursor: pointer; font-size: 0.85rem; padding: 0.25rem 0.5rem; }
.btn-text:hover { color: var(--color-primary); }

/* Chat interface */
.chat-interface {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 220px);
  min-height: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}
.chat-status {
  font-size: 0.85rem;
  color: var(--color-success);
}
.chat-status::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  margin-right: 0.4rem;
}
.chat-status.disconnected { color: var(--color-text-secondary); }
.chat-status.disconnected::before { background: var(--color-text-secondary); }
.chat-status.error { color: var(--color-danger); }
.chat-status.error::before { background: var(--color-danger); }

/* Messages */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.message {
  max-width: 85%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  line-height: 1.6;
}
.message p { margin-bottom: 0.5rem; }
.message p:last-child { margin-bottom: 0; }
.message ul { margin: 0.25rem 0 0.5rem 1.25rem; }
.message li { margin-bottom: 0.2rem; }

.message-user {
  align-self: flex-end;
  background: var(--color-primary);
  color: white;
  border-bottom-right-radius: 2px;
}

.message-assistant {
  align-self: flex-start;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 2px;
}

.message-assistant .citation {
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--color-primary);
  text-decoration: none;
  background: var(--color-primary-light);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}
.message-assistant .citation:hover { text-decoration: underline; }

.message-tool {
  align-self: flex-start;
  background: #f8f9fa;
  border: 1px dashed var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  max-width: 95%;
}
.message-tool summary {
  cursor: pointer;
  font-weight: 600;
}

.message-error {
  align-self: center;
  background: var(--color-danger-bg);
  color: var(--color-danger);
  font-size: 0.85rem;
  text-align: center;
}

/* Typing indicator */
.typing-indicator {
  align-self: flex-start;
  padding: 0.75rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.typing-dots {
  display: inline-flex;
  gap: 4px;
}
.typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-secondary);
  animation: typing 1.2s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* Input area */
.chat-input-area {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.chat-input-area textarea {
  flex: 1;
  resize: none;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.4;
}
.chat-input-area textarea:focus { outline: 2px solid var(--color-primary); outline-offset: -1px; }
.chat-input-area .btn { align-self: flex-end; }

/* Guardrail warning */
.guardrail-warning {
  font-size: 0.8rem;
  color: var(--color-warning);
  margin-top: 0.35rem;
  padding: 0.25rem 0.5rem;
  background: var(--color-warning-bg);
  border-radius: 3px;
}

/* Responsive */
@media (max-width: 600px) {
  .connection-options { grid-template-columns: 1fr; }
  .chat-interface { height: calc(100vh - 180px); }
  .message { max-width: 95%; }
  .key-input-group { flex-direction: column; }
}