/* PrivAI Shield Chat Widget Styles */
:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-input: #2d2d4a;
  --bg-user-bubble: #4f46e5;
  --bg-ai-bubble: #2d2d4a;
  --bg-banner: #2d2d4a;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --border: #2d2d4a;
  --border-light: #3d3d5a;
  --success: #22c55e;
  --warning: #f59e0b;
  --scrollbar-thumb: #3d3d5a;
  --scrollbar-track: transparent;
}

.theme-light {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-input: #f1f5f9;
  --bg-user-bubble: #4f46e5;
  --bg-ai-bubble: #f1f5f9;
  --bg-banner: #fef3c7;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --border: #e2e8f0;
  --border-light: #cbd5e1;
  --success: #16a34a;
  --warning: #d97706;
  --scrollbar-thumb: #cbd5e1;
  --scrollbar-track: transparent;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
}

#privai-widget-root {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Header */
.privai-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.privai-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.privai-header-logo {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.privai-header-logo svg {
  width: 20px;
  height: 20px;
}

.privai-header-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.privai-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.privai-model-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.privai-sync-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px 8px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: background 0.15s, color 0.15s;
}

.privai-sync-label {
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
}

.privai-sync-btn:hover {
  background: var(--bg-input);
  color: var(--text-primary);
}

.privai-sync-btn.active {
  color: var(--success);
  background: rgba(34, 197, 94, 0.1);
}

.privai-sync-btn.active:hover {
  color: var(--success);
  background: rgba(34, 197, 94, 0.15);
}

.privai-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.privai-close-btn:hover {
  background: var(--bg-input);
  color: var(--text-primary);
}

/* Messages area */
.privai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.privai-messages::-webkit-scrollbar {
  width: 6px;
}

.privai-messages::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

.privai-messages::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

/* Message bubbles */
.privai-message {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
}

.privai-message-user {
  align-self: flex-end;
  background: var(--bg-user-bubble);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.privai-message-assistant {
  align-self: flex-start;
  background: var(--bg-ai-bubble);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

/* Markdown in AI responses */
.privai-message-assistant p {
  margin-bottom: 8px;
}

.privai-message-assistant p:last-child {
  margin-bottom: 0;
}

.privai-message-assistant code {
  background: rgba(0, 0, 0, 0.2);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 13px;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
}

.privai-message-assistant pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 10px 12px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 8px 0;
}

.privai-message-assistant pre code {
  background: none;
  padding: 0;
  font-size: 13px;
}

.privai-message-assistant ul,
.privai-message-assistant ol {
  padding-left: 20px;
  margin: 4px 0;
}

.privai-message-assistant li {
  margin: 2px 0;
}

.privai-message-assistant strong {
  font-weight: 600;
}

.privai-message-assistant em {
  font-style: italic;
}

.privai-message-assistant blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  margin: 8px 0;
  color: var(--text-secondary);
}

.privai-message-assistant h1,
.privai-message-assistant h2,
.privai-message-assistant h3 {
  margin: 12px 0 6px;
  font-weight: 600;
}

.privai-message-assistant h1 { font-size: 18px; }
.privai-message-assistant h2 { font-size: 16px; }
.privai-message-assistant h3 { font-size: 15px; }

/* PII banner */
.privai-pii-banner {
  align-self: flex-end;
  max-width: 85%;
  background: var(--bg-banner);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12px;
}

.privai-pii-banner-header {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--warning);
  font-weight: 500;
  user-select: none;
}

.privai-pii-banner-header:hover {
  opacity: 0.8;
}

.privai-pii-banner-chevron {
  font-size: 10px;
  transition: transform 0.2s;
}

.privai-pii-banner-chevron.expanded {
  transform: rotate(90deg);
}

.privai-pii-table {
  margin-top: 8px;
  width: 100%;
  border-collapse: collapse;
}

.privai-pii-table td {
  padding: 3px 8px;
  font-size: 11px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: 'SF Mono', Monaco, monospace;
}

.privai-pii-table td:first-child {
  color: var(--warning);
  font-weight: 500;
  white-space: nowrap;
}

.privai-pii-table td:nth-child(2) {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.privai-pii-table td:last-child {
  color: var(--success);
}

/* Loading indicator */
.privai-loading {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: var(--bg-ai-bubble);
  border-radius: 12px;
  border-bottom-left-radius: 4px;
}

.privai-loading-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: privai-bounce 1.4s ease-in-out infinite;
}

.privai-loading-dot:nth-child(2) { animation-delay: 0.16s; }
.privai-loading-dot:nth-child(3) { animation-delay: 0.32s; }

@keyframes privai-bounce {
  0%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-6px); }
}

/* Welcome message */
.privai-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  padding: 24px;
  gap: 12px;
}

.privai-welcome-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.privai-welcome-icon svg {
  width: 24px;
  height: 24px;
}

.privai-welcome h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.privai-welcome p {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 280px;
  line-height: 1.5;
}

/* Input area */
.privai-input-area {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.privai-input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.privai-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  resize: none;
  min-height: 40px;
  max-height: 120px;
  line-height: 1.4;
  outline: none;
  transition: border-color 0.15s;
}

.privai-input::placeholder {
  color: var(--text-muted);
}

.privai-input:focus {
  border-color: var(--accent);
}

.privai-send-btn {
  background: var(--accent);
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  flex-shrink: 0;
}

.privai-send-btn:hover {
  background: var(--accent-hover);
}

.privai-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.privai-send-btn svg {
  width: 18px;
  height: 18px;
  fill: #ffffff;
}

.privai-input-footer {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.privai-input-footer svg {
  width: 12px;
  height: 12px;
}

/* Attach button */
.privai-attach-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}

.privai-attach-btn:hover {
  background: var(--bg-input);
  color: var(--text-primary);
}

.privai-attach-btn svg {
  width: 18px;
  height: 18px;
}

/* File preview chip */
.privai-file-preview {
  padding: 0 0 8px;
}

.privai-file-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.privai-file-chip svg {
  flex-shrink: 0;
}

.privai-file-loading {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
  animation: privai-pulse 1.5s ease-in-out infinite;
}

@keyframes privai-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.privai-file-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0 2px;
  border-radius: 3px;
  transition: color 0.15s;
}

.privai-file-remove:hover {
  color: #ef4444;
}

/* Error message */
.privai-error {
  align-self: center;
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  text-align: center;
}