/* Cursor-style Design Tokens */
:root {
  --colors-canvas: #f7f7f4;
  --colors-canvas-soft: #fafaf7;
  --colors-surface-card: #ffffff;
  --colors-surface-strong: #e6e5e0;
  
  --colors-hairline: #e6e5e0;
  --colors-hairline-soft: #efeee8;
  --colors-hairline-strong: #cfcdc4;
  
  --colors-ink: #26251e;
  --colors-body: #5a5852;
  --colors-muted: #807d72;
  --colors-muted-soft: #a09c92;
  --colors-on-primary: #ffffff;
  
  --colors-primary: #f54e00;
  --colors-primary-active: #d04200;
  
  /* Timeline colors (AI-action stages) */
  --colors-timeline-thinking: #dfa88f; /* Peach */
  --colors-timeline-grep: #9fc9a2;     /* Mint */
  --colors-timeline-read: #9fbbe0;     /* Pastel Blue */
  --colors-timeline-edit: #c0a8dd;     /* Lavender */
  --colors-timeline-done: #c08532;     /* Gold */
  
  /* Semantic */
  --colors-success: #1f8a65;
  --colors-error: #cf2d56;

  /* Fonts */
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shapes */
  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-pill: 9999px;
  
  --transition-speed: 0.2s;
}

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

body {
  background-color: var(--colors-canvas);
  color: var(--colors-body);
  font-family: var(--font-body);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-container {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: var(--colors-canvas-soft);
}
::-webkit-scrollbar-thumb {
  background: var(--colors-hairline-strong);
  border-radius: var(--rounded-xs);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--colors-muted);
}

/* Top Navigation (top-nav) */
.top-nav {
  height: 64px;
  background-color: var(--colors-canvas);
  border-bottom: 1px solid var(--colors-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  z-index: 10;
}

.wordmark-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400; /* Magazine voice Display weight stays at 400 */
  letter-spacing: -0.5px;
  color: var(--colors-ink);
}

.wordmark-logo span {
  color: var(--colors-primary);
  font-weight: 500;
}

.top-nav-menu {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-btn {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--colors-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--rounded-md);
  transition: all var(--transition-speed) ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-btn:hover {
  color: var(--colors-ink);
  background-color: var(--colors-hairline-soft);
}

.nav-btn.active {
  color: var(--colors-primary);
  background-color: rgba(245, 78, 0, 0.08);
  font-weight: 600;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85px;
}

.control-group label {
  font-size: 0.85rem;
  color: var(--colors-muted);
}

.control-group select {
  background-color: var(--colors-surface-card);
  border: 1px solid var(--colors-hairline-strong);
  color: var(--colors-ink);
  padding: 0.35rem 0.75rem;
  border-radius: var(--rounded-sm);
  outline: none;
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition-speed);
}

.control-group select:focus {
  border-color: var(--colors-primary);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--colors-success);
  background-color: rgba(31, 138, 101, 0.08);
  padding: 0.25rem 0.6rem;
  border-radius: var(--rounded-pill);
  border: 1px solid rgba(31, 138, 101, 0.15);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--colors-success);
}

/* Canvas Floor & Mockup Card */
.canvas-floor {
  flex: 1;
  background-color: var(--colors-canvas);
  padding: 1.5rem 2rem;
  display: flex;
  overflow: hidden;
}

.ide-mockup-card {
  flex: 1;
  background-color: var(--colors-surface-card);
  border: 1px solid var(--colors-hairline);
  border-radius: var(--rounded-lg);
  display: grid;
  grid-template-columns: 260px 1fr 340px;
  overflow: hidden;
  box-shadow: none; /* No drop shadows as per design guidelines */
}

/* IDE Pane */
.ide-pane {
  background-color: var(--colors-canvas-soft);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.ide-pane:not(:last-child) {
  border-right: 1px solid var(--colors-hairline);
}

.pane-header {
  height: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.25rem;
  background-color: var(--colors-canvas);
  border-bottom: 1px solid var(--colors-hairline);
}

.pane-header h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--colors-ink);
}

.pane-header button {
  background: none;
  border: none;
  color: var(--colors-muted);
  cursor: pointer;
  font-size: 0.85rem;
  transition: color var(--transition-speed);
}

.pane-header button:hover {
  color: var(--colors-primary);
}

.pane-content {
  flex: 1;
  padding: 1.25rem;
}

.pane-content.scrollable {
  overflow-y: auto;
}

/* File Explorer List */
.file-list-container {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.8rem;
  background-color: var(--colors-surface-card);
  border: 1px solid var(--colors-hairline-soft);
  border-radius: var(--rounded-sm);
  cursor: pointer;
  transition: all var(--transition-speed);
}

.file-item:hover {
  border-color: var(--colors-hairline-strong);
  background-color: var(--colors-canvas-soft);
}

.file-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.file-icon {
  font-size: 0.95rem;
  color: var(--colors-muted);
}

.file-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--colors-ink);
}

.file-size {
  font-size: 0.75rem;
  color: var(--colors-muted);
  margin-left: 0.4rem;
}

.file-action-btn {
  background: none;
  border: none;
  color: var(--colors-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.file-item:hover .file-action-btn {
  opacity: 1;
}

.file-action-btn:hover {
  color: var(--colors-success);
}

/* Chat Pane */
.chat-pane {
  background-color: var(--colors-surface-card);
}

.chat-area {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem;
}

.message {
  display: flex;
  gap: 1rem;
  max-width: 85%;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--colors-surface-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--colors-ink);
  font-size: 0.95rem;
  flex-shrink: 0;
}

.message.user-msg .avatar {
  background-color: var(--colors-primary);
  color: var(--colors-on-primary);
}

.msg-bubble {
  background-color: var(--colors-canvas-soft);
  border: 1px solid var(--colors-hairline);
  padding: 0.8rem 1rem;
  border-radius: var(--rounded-md);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--colors-ink);
}

.message.user-msg .msg-bubble {
  background-color: var(--colors-canvas);
  border-color: var(--colors-hairline-strong);
}

.msg-bubble p {
  margin-bottom: 0.5rem;
}

.msg-bubble p:last-child {
  margin-bottom: 0;
}

.msg-bubble ul, .msg-bubble ol {
  margin-left: 1.25rem;
  margin-bottom: 0.5rem;
}

.msg-bubble li {
  margin-bottom: 0.25rem;
}

.msg-bubble code {
  font-family: var(--font-mono);
  background-color: var(--colors-surface-strong);
  padding: 0.15rem 0.3rem;
  border-radius: var(--rounded-xs);
  font-size: 0.8rem;
}

.msg-bubble pre {
  background-color: var(--colors-canvas-soft);
  border: 1px solid var(--colors-hairline);
  border-radius: var(--rounded-md);
  padding: 0.75rem;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.msg-bubble pre code {
  background: none;
  padding: 0;
  font-size: 0.8rem;
  color: var(--colors-ink);
}

/* Chat Input UI */
.chat-input-wrapper {
  padding: 1.25rem;
  border-top: 1px solid var(--colors-hairline);
  background-color: var(--colors-canvas-soft);
}

#chat-form {
  display: flex;
  gap: 0.75rem;
}

#chat-input {
  flex: 1;
  background-color: var(--colors-surface-card);
  border: 1px solid var(--colors-hairline-strong);
  border-radius: var(--rounded-md);
  padding: 0.6rem 1rem;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--colors-ink);
}

#chat-input:focus {
  border-color: var(--colors-primary);
}

/* Primary CTA Button (button-primary) */
.button-primary {
  background-color: var(--colors-primary);
  color: var(--colors-on-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: var(--rounded-md);
  cursor: pointer;
  transition: background-color var(--transition-speed);
}

.button-primary:hover {
  background-color: var(--colors-primary-active);
}

.button-primary:disabled {
  background-color: var(--colors-muted-soft);
  cursor: not-allowed;
}

/* Right Panel: Agent Timeline Logs */
.timeline-body {
  background-color: var(--colors-canvas-soft);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.timeline-logs-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.timeline-placeholder {
  color: var(--colors-muted);
  font-size: 0.8rem;
  font-style: italic;
  text-align: center;
  margin-top: 2rem;
}

.timeline-event {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-bottom: 1px solid var(--colors-hairline-soft);
  padding-bottom: 0.75rem;
  animation: fadeIn 0.2s ease-out;
}

.timeline-event-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Timeline Pills - Pastel Pill Palette */
.timeline-pill {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  padding: 2px 10px;
  border-radius: var(--rounded-pill);
  display: inline-block;
  color: var(--colors-ink);
}

.timeline-pill.thinking { background-color: var(--colors-timeline-thinking); }
.timeline-pill.grep { background-color: var(--colors-timeline-grep); }
.timeline-pill.read { background-color: var(--colors-timeline-read); }
.timeline-pill.edit { background-color: var(--colors-timeline-edit); }
.timeline-pill.done { background-color: var(--colors-timeline-done); color: var(--colors-on-primary); }

.timeline-time {
  font-size: 0.7rem;
  color: var(--colors-muted);
  margin-left: auto;
}

.timeline-detail {
  font-size: 0.75rem;
  color: var(--colors-ink);
  font-weight: 500;
}

.timeline-code-output {
  background-color: var(--colors-surface-card);
  border: 1px solid var(--colors-hairline);
  border-radius: var(--rounded-sm);
  padding: 0.5rem;
  font-size: 0.75rem;
  color: var(--colors-body);
  white-space: pre-wrap;
  max-height: 120px;
  overflow-y: auto;
}

.timeline-code-output.error {
  border-color: var(--colors-error);
  color: var(--colors-error);
}

/* Badge tags */
.badge-pill {
  background-color: var(--colors-surface-strong);
  color: var(--colors-ink);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--rounded-pill);
}

.badge-pill.active {
  background-color: var(--colors-timeline-thinking);
  animation: pulse-active 1.5s infinite alternate;
}

@keyframes pulse-active {
  0% { opacity: 0.8; }
  100% { opacity: 1; }
}

/* File Viewer Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(38, 37, 30, 0.4);
  backdrop-filter: blur(2px);
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--colors-surface-card);
  border: 1px solid var(--colors-hairline-strong);
  border-radius: var(--rounded-lg);
  width: 80%;
  max-width: 650px;
  box-shadow: none; /* Hairline depth only */
  animation: zoomIn 0.15s ease-out;
}

@keyframes zoomIn {
  from { transform: scale(0.97); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--colors-hairline);
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--colors-ink);
}

.close-modal-btn {
  color: var(--colors-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-speed);
}

.close-modal-btn:hover {
  color: var(--colors-error);
}

.modal-body {
  padding: 1.5rem;
  max-height: 450px;
  overflow-y: auto;
}

.modal-body pre {
  background-color: var(--colors-canvas-soft);
  padding: 1rem;
  border-radius: var(--rounded-md);
  border: 1px solid var(--colors-hairline);
  overflow-x: auto;
}

.modal-body code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--colors-ink);
}

.jetbrains-mono {
  font-family: var(--font-mono) !important;
}

/* Chat Thinking dots */
.typing-bubble {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.dot {
  width: 5px;
  height: 5px;
  background-color: var(--colors-muted);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}

.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1.0); }
}