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

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f1f3f5;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-tertiary: #adb5bd;
  --border-color: #e9ecef;
  --accent: #228be6;
  --accent-light: #e7f5ff;
  --success: #40c057;
  --error: #fa5252;
  --warning: #fab005;
}

html,
body {
  height: 100%;
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue',
    sans-serif;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-primary);
}

.app {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

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

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

.logo {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.title {
  font-weight: 600;
  font-size: 15px;
}

.logo img {
  display: block;
  width: 100%;
  height: 100%;
}

.icon-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.icon-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Settings Panel */
.settings-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100%;
  background: var(--bg-primary);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform 0.3s ease;
}

.settings-panel.hidden {
  transform: translateX(100%);
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.settings-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.settings-content {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.setting-group {
  margin-bottom: 20px;
}

.setting-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.connection-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--error);
  flex-shrink: 0;
}

.status-dot.connected {
  background: var(--success);
}

.connection-row span:not(.status-dot) {
  flex: 1;
  font-weight: 500;
}

.input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 13px;
  transition: border-color 0.2s;
}

.input:focus {
  outline: none;
  border-color: var(--accent);
}

.current-page {
  font-size: 12px;
  color: var(--text-secondary);
  word-break: break-all;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border-radius: 8px;
  line-height: 1.4;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: #1c7ed6;
}

.btn-primary.connected {
  background: var(--text-tertiary);
}

/* Chat Area */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.welcome-message {
  text-align: center;
  padding: 30px 16px;
}

.welcome-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  margin-left: auto;
  margin-right: auto;
}

.welcome-icon img {
  display: block;
  width: 100%;
  height: 100%;
}

.welcome-message h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.welcome-message p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.suggestion-chip {
  padding: 6px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.suggestion-chip:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* Message Bubbles */
.message {
  margin-bottom: 12px;
  animation: fadeInUp 0.3s ease;
}

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

.message-user {
  display: flex;
  justify-content: flex-end;
}

.message-user .message-content {
  background: var(--accent);
  color: white;
  border-radius: 14px 14px 4px 14px;
  padding: 10px 12px;
  max-width: 85%;
}

.message-agent {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.message-agent .message-content {
  background: var(--bg-secondary);
  border-radius: 14px 14px 14px 4px;
  padding: 14px;
  max-width: 95%;
  width: 100%;
}

.message-text {
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Streaming text */
.response-shell {
  display: none;
  margin-top: 12px;
  padding: 12px 13px;
  border-radius: 12px;
  border: 1px solid rgba(34, 139, 230, 0.12);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.96),
    rgba(231, 245, 255, 0.55)
  );
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.response-shell.visible {
  display: block;
}

.response-label {
  margin-bottom: 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.streaming-text {
  font-size: 13px;
  line-height: 1.65;
  word-break: break-word;
  display: block;
}

.response-shell.visible .streaming-text:not(:empty) {
  display: block;
}

/* Typing cursor animation for streaming */
.streaming-text:not(.finalized)::after {
  content: '▋';
  animation: blink 1s step-end infinite;
  color: var(--accent);
}

.streaming-text h1,
.streaming-text h2,
.streaming-text h3,
.streaming-text h4,
.streaming-text h5,
.streaming-text h6 {
  margin: 0 0 10px;
  line-height: 1.35;
  color: var(--text-primary);
}

.streaming-text h1 {
  font-size: 18px;
}

.streaming-text h2 {
  font-size: 16px;
}

.streaming-text h3 {
  font-size: 14px;
}

.streaming-text p {
  margin: 0 0 10px;
}

.streaming-text p:last-child,
.streaming-text ul:last-child,
.streaming-text ol:last-child,
.streaming-text pre:last-child {
  margin-bottom: 0;
}

.streaming-text ul,
.streaming-text ol {
  margin: 0 0 10px 18px;
  padding: 0;
}

.streaming-text li {
  margin: 0 0 6px;
}

.streaming-text a {
  color: #1c7ed6;
  text-decoration: none;
}

.streaming-text a:hover {
  text-decoration: underline;
}

.streaming-text code {
  padding: 1px 5px;
  border-radius: 6px;
  background: rgba(33, 37, 41, 0.08);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.streaming-text pre {
  margin: 0 0 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.92);
  overflow-x: auto;
}

.streaming-text pre code {
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: #f8f9fa;
  font-size: 12px;
  white-space: pre-wrap;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* Actions Container - Collapsible */
.actions-container {
  margin-top: 10px;
  border: 1px solid rgba(33, 37, 41, 0.08);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
  display: none; /* Hidden by default, shown when first action is added */
}

.actions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.95),
    rgba(241, 243, 245, 0.95)
  );
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.actions-header:hover {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 1),
    rgba(233, 236, 239, 0.95)
  );
}

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

.actions-status-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.actions-status-icon.running {
  color: var(--accent);
  animation: spin 1s linear infinite;
}

.actions-status-icon.success {
  color: var(--success);
}

.actions-status-icon.error {
  color: var(--error);
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.actions-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
}

.actions-count {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-left: 4px;
}

.actions-toggle {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: transform 0.2s;
}

.actions-container.expanded .actions-toggle {
  transform: rotate(180deg);
}

/* Actions Body */
.actions-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.actions-container.expanded .actions-body {
  max-height: 200px;
  overflow-y: auto !important;
  overflow-x: hidden;
}

/* Scrollbar for actions list */
.actions-body::-webkit-scrollbar {
  width: 6px;
}

.actions-body::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

.actions-body::-webkit-scrollbar-thumb {
  background: var(--text-tertiary);
  border-radius: 3px;
  min-height: 30px;
}

.actions-body::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.actions-list {
  padding: 10px 12px 12px;
  min-height: fit-content;
}

/* Current Action Display (when collapsed) */
.current-action-display {
  padding: 10px 12px;
  border-top: 1px solid rgba(33, 37, 41, 0.06);
  background: rgba(248, 249, 250, 0.78);
  position: relative;
  overflow: hidden;
  min-height: 38px;
}

.current-action-display:empty {
  display: none;
}

.actions-container.expanded .current-action-display {
  display: none;
}

.current-action {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.current-action-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.current-action-icon.running {
  color: var(--accent);
  animation: pulse 1.5s ease infinite;
}

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

.current-action-icon.success {
  color: var(--success);
}

.current-action-icon.error {
  color: var(--error);
}

.current-action-icon svg {
  width: 12px;
  height: 12px;
}

.current-action-copy {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.current-action-text {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  white-space: normal;
  overflow: hidden;
  text-overflow: unset;
  line-height: 1.35;
}

.current-action-subtext {
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.4;
  white-space: normal;
}

/* Previous action fade effect */
.previous-action {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 8px 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  animation: fadeOut 0.3s ease forwards;
  pointer-events: none;
}

.previous-action .current-action-icon {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.previous-action .current-action-text {
  font-size: 11px;
  color: var(--text-secondary);
}

.previous-action .current-action-subtext {
  font-size: 10px;
  color: var(--text-tertiary);
}

@keyframes fadeOut {
  from {
    opacity: 0.6;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* Action Step in expanded list */
.action-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(33, 37, 41, 0.06);
}

.action-step:last-child {
  border-bottom: none;
}

.action-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.action-icon.pending {
  background: var(--bg-tertiary);
  color: var(--text-tertiary);
}

.action-icon.running {
  background: var(--accent-light);
  color: var(--accent);
  animation: pulse 1.5s ease infinite;
}

.action-icon.success {
  background: #d3f9d8;
  color: var(--success);
}

.action-icon.error {
  background: #ffe3e3;
  color: var(--error);
}

.action-icon svg {
  width: 10px;
  height: 10px;
}

.action-info {
  flex: 1;
  min-width: 0;
}

.action-name-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.action-name {
  font-size: 11px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 0;
}

.action-time {
  font-size: 10px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.action-detail {
  margin-top: 3px;
  font-size: 10px;
  line-height: 1.45;
  color: var(--text-secondary);
  white-space: normal;
  word-break: break-word;
}

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

.typing-dot {
  width: 6px;
  height: 6px;
  background: var(--text-tertiary);
  border-radius: 50%;
  animation: typingBounce 1.4s ease infinite;
}

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

@keyframes typingBounce {
  0%,
  60%,
  100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-3px);
  }
}

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

.input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--bg-secondary);
  border-radius: 18px;
  padding: 4px 4px 4px 14px;
  border: 1px solid var(--border-color);
  transition: border-color 0.2s;
}

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

#messageInput {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 13px;
  line-height: 1.4;
  resize: none;
  max-height: 80px;
  padding: 6px 0;
  font-family: inherit;
}

#messageInput:focus {
  outline: none;
}

#messageInput::placeholder {
  color: var(--text-tertiary);
}

.send-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--accent);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.send-btn:hover:not(:disabled) {
  background: #1c7ed6;
  transform: scale(1.05);
}

.send-btn:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
}

.send-btn svg {
  width: 16px;
  height: 16px;
}

.send-btn.stop-mode {
  background: var(--error);
}

.send-btn.stop-mode:hover:not(:disabled) {
  background: #e03131;
}

.status-hint {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-tertiary);
  padding: 3px 8px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  margin-right: 4px;
}

.hint-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--error);
}

.status-hint.connected .hint-dot {
  background: var(--success);
}

.status-hint.connected {
  color: var(--success);
  border-color: var(--success);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* Debug Mode Toggle */
.debug-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-primary);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  transition: 0.3s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: '';
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

/* Debug Panel */
.debug-panel {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  z-index: 99;
  display: flex;
  flex-direction: column;
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.debug-panel.hidden {
  transform: translateY(100%);
}

.debug-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.debug-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.debug-title::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--warning);
  border-radius: 50%;
}

.debug-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.debug-output {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 11px;
  line-height: 1.5;
  background: #1e1e1e;
  color: #d4d4d4;
}

.debug-welcome {
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.debug-welcome p {
  margin-bottom: 8px;
  color: #569cd6;
}

.debug-welcome ul {
  list-style: none;
  padding-left: 0;
}

.debug-welcome li {
  margin-bottom: 4px;
  color: #9cdcfe;
}

.debug-welcome code {
  background: #333;
  padding: 1px 4px;
  border-radius: 3px;
  color: #ce9178;
}

.debug-line {
  margin-bottom: 4px;
  white-space: pre-wrap;
  word-break: break-all;
}

.debug-line.command {
  color: #4ec9b0;
}

.debug-line.command::before {
  content: '> ';
  color: #6a9955;
}

.debug-line.result {
  color: #d4d4d4;
  padding-left: 12px;
}

.debug-line.error {
  color: #f14c4c;
}

.debug-line.success {
  color: #4ec9b0;
}

.debug-line.info {
  color: #569cd6;
}

.debug-input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.debug-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 12px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  background: var(--bg-primary);
}

.debug-input:focus {
  outline: none;
  border-color: var(--accent);
}

.debug-send-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--warning);
  border-radius: 6px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.debug-send-btn:hover {
  background: #e09f00;
}

.debug-send-btn:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
}