/* ── Chat Layout ── */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 900px;
  margin: 0 auto;
}

.chat-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.chat-header h1 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.chat-header p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ── Messages ── */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.message {
  display: flex;
  gap: 12px;
  max-width: 85%;
  animation: messageFadeIn 300ms ease;
}

@keyframes messageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.message-assistant .message-avatar {
  background: var(--accent);
}

.message-user .message-avatar {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.message-content {
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.65;
}

.message-assistant .message-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.message-user .message-content {
  background: var(--accent);
  color: white;
}

.message-content p { margin-bottom: 10px; }
.message-content p:last-child { margin-bottom: 0; }

.message-content strong { font-weight: 600; }

.message-content ul, .message-content ol {
  margin: 8px 0;
  padding-left: 20px;
}

.message-content li {
  margin-bottom: 4px;
}

.message-content h3, .message-content h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 12px 0 6px;
}

.message-content h3:first-child, .message-content h4:first-child {
  margin-top: 0;
}

/* ── Risk badges in messages ── */
.risk-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  vertical-align: middle;
  margin: 0 2px;
}

.risk-badge-low {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(0, 196, 140, 0.2);
}

.risk-badge-medium {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid rgba(255, 185, 70, 0.2);
}

.risk-badge-high {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(255, 107, 107, 0.2);
}

.risk-badge .score {
  font-weight: 700;
}

/* ── Typing indicator ── */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 8px 0;
}

.typing-indicator span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: typingDot 1.2s infinite;
}

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

@keyframes typingDot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ── Input Area ── */
.chat-input-area {
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.chat-input-wrapper {
  display: flex;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 4px;
  transition: border-color var(--transition-fast);
}

.chat-input-wrapper:focus-within {
  border-color: var(--accent);
}

.chat-input {
  flex: 1;
  background: transparent !important;
  border: none !important;
  padding: 12px 14px !important;
  resize: none;
  min-height: 24px;
  max-height: 120px;
  font-size: 14px;
  line-height: 1.5;
  outline: none !important;
}

.chat-send-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: flex-end;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.chat-send-btn:hover {
  background: var(--accent-hover);
  transform: scale(1.05);
}

.chat-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.chat-send-btn svg {
  width: 18px;
  height: 18px;
  color: white;
}

/* ── Mode Chips ── */
.chat-mode-bar {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.chat-mode-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chat-mode-chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.chat-mode-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.chat-mode-icon {
  font-size: 14px;
  line-height: 1;
}

/* ── Starter Prompts ── */
.chat-starters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 24px;
}

.chat-starter-btn {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  flex: 1 1 calc(50% - 4px);
  min-width: 200px;
}

.chat-starter-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--bg-elevated);
}