/* ── Custom Properties ──────────────────────────────── */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-input: #0d1117;
  --border: #30363d;
  --border-focus: #58a6ff;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --danger: #f85149;
  --danger-hover: #ff7b72;
  --warning: #d29922;
  --success: #3fb950;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
  --radius: 8px;
  --radius-lg: 12px;
}

/* ── Reset ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  height: 100vh;
  overflow: hidden;
}

/* ── Utility ───────────────────────────────────────── */
.hidden { display: none !important; }

.screen {
  height: 100vh;
  width: 100%;
}

/* ── Setup Screen ──────────────────────────────────── */
#setup-screen {
  display: flex;
  align-items: center;
  justify-content: center;
}

.setup-container {
  width: 100%;
  max-width: 480px;
  padding: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.logo h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.tagline {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 15px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.form-group .optional {
  color: var(--text-muted);
  font-weight: 400;
}

.form-group input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus {
  border-color: var(--border-focus);
}

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

/* ── Buttons ───────────────────────────────────────── */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  font-family: var(--font-sans);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

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

#setup-form .btn-primary {
  width: 100%;
  margin-top: 8px;
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: var(--font-sans);
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.btn-cancel {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  font-family: var(--font-sans);
}

.btn-cancel:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ── Clone Progress ────────────────────────────────── */
.clone-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 14px;
}

/* ── Spinner ───────────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

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

/* ── Error Banner ──────────────────────────────────── */
.error-banner {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: var(--radius);
  color: var(--danger);
  font-size: 14px;
}

/* ── Chat Screen ───────────────────────────────────── */
#chat-screen {
  display: grid;
  grid-template-rows: auto 1fr auto auto auto;
  height: 100vh;
}

/* ── Session Header Bar ────────────────────────────── */
header#session-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.session-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.status-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(63, 185, 80, 0.15);
  color: var(--success);
  letter-spacing: 0.5px;
}

.status-badge.busy {
  background: rgba(210, 153, 34, 0.15);
  color: var(--warning);
}

.status-badge.error {
  background: rgba(248, 81, 73, 0.15);
  color: var(--danger);
}

.session-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  margin-left: auto;
}

.stat-sep {
  color: var(--text-muted);
}

#end-session-btn {
  margin-left: 8px;
}

/* ── Messages ──────────────────────────────────────── */
.messages {
  overflow-y: auto;
  padding: 24px 20px;
  scroll-behavior: smooth;
}

.messages-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: fadeIn 0.2s ease;
}

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

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

.message.assistant {
  align-self: flex-start;
}

.message-role {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 4px;
  padding: 0 4px;
}

.message-bubble {
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  font-size: 15px;
  line-height: 1.65;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.message.user .message-bubble {
  background: var(--bg-tertiary);
  border-bottom-right-radius: 4px;
}

.message.assistant .message-bubble {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.message.error .message-bubble {
  background: rgba(248, 81, 73, 0.08);
  border: 1px solid rgba(248, 81, 73, 0.25);
  color: var(--danger);
}

/* ── Streaming Cursor ──────────────────────────────── */
.streaming-cursor::after {
  content: "▋";
  animation: blink 1s step-end infinite;
  color: var(--accent);
  margin-left: 1px;
}

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

/* ── Thinking Indicator ────────────────────────────── */
.thinking-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  color: var(--text-muted);
  font-size: 13px;
  font-style: italic;
}

.thinking-indicator .spinner {
  width: 14px;
  height: 14px;
}

/* ── Markdown in Messages ──────────────────────────── */
.message-bubble h1,
.message-bubble h2,
.message-bubble h3,
.message-bubble h4 {
  margin-top: 16px;
  margin-bottom: 8px;
  font-weight: 600;
}

.message-bubble h1 { font-size: 1.3em; }
.message-bubble h2 { font-size: 1.15em; }
.message-bubble h3 { font-size: 1.05em; }

.message-bubble h1:first-child,
.message-bubble h2:first-child,
.message-bubble h3:first-child {
  margin-top: 0;
}

.message-bubble p {
  margin-bottom: 10px;
}

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

.message-bubble ul,
.message-bubble ol {
  padding-left: 20px;
  margin-bottom: 10px;
}

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

.message-bubble code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(110, 118, 129, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
}

.message-bubble pre {
  margin: 12px 0;
  border-radius: var(--radius);
  overflow-x: auto;
}

.message-bubble pre code {
  display: block;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.5;
}

.message-bubble a {
  color: var(--accent);
  text-decoration: none;
}

.message-bubble a:hover {
  text-decoration: underline;
}

/* ── File Reference Links ──────────────────────────── */
.message-bubble a.file-ref-link {
  text-decoration: none;
  border-bottom: 1px dashed var(--accent);
  transition: border-color 0.15s;
}

.message-bubble a.file-ref-link:hover {
  text-decoration: none;
  border-bottom-style: solid;
}

.message-bubble a.file-ref-link code {
  color: var(--accent);
  background: rgba(88, 166, 255, 0.1);
  cursor: pointer;
}

.message-bubble a.file-ref-link:hover code {
  background: rgba(88, 166, 255, 0.2);
}

.message-bubble blockquote {
  border-left: 3px solid var(--border);
  padding-left: 12px;
  color: var(--text-secondary);
  margin: 10px 0;
}

.message-bubble table {
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 14px;
  width: 100%;
}

.message-bubble th,
.message-bubble td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}

.message-bubble th {
  background: var(--bg-tertiary);
  font-weight: 600;
}

/* ── Tool Activity ─────────────────────────────────── */
.tool-activity {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  max-height: 200px;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.tool-activity.collapsed {
  max-height: 36px;
}

.tool-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-sans);
  text-align: left;
}

.tool-toggle:hover {
  color: var(--text-primary);
}

.tool-toggle-icon {
  transition: transform 0.2s;
  font-size: 10px;
}

.tool-activity.collapsed .tool-toggle-icon {
  transform: rotate(-90deg);
}

.tool-log {
  padding: 0 20px 8px;
  max-height: 148px;
  overflow-y: auto;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.tool-log-entry {
  padding: 3px 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.tool-log-entry .tool-name {
  color: var(--accent);
  font-weight: 500;
  flex-shrink: 0;
}

.tool-log-entry .tool-detail {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

a.tool-file-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: border-color 0.15s, color 0.15s;
}

a.tool-file-link:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

/* ── Input Area ────────────────────────────────────── */
.input-area {
  padding: 12px 20px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.input-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  max-width: 900px;
  margin: 0 auto;
}

#question-input {
  flex: 1;
  resize: none;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font-sans);
  line-height: 1.5;
  max-height: 200px;
  outline: none;
  transition: border-color 0.15s;
}

#question-input:focus {
  border-color: var(--border-focus);
}

#question-input::placeholder {
  color: var(--text-muted);
}

#question-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Diff Bar ─────────────────────────────────────── */
.diff-bar {
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.diff-bar-input {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 900px;
  margin: 0 auto;
}

.diff-bar-input label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}

.diff-bar-input input {
  flex: 1;
  max-width: 240px;
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-mono);
  outline: none;
}

.diff-bar-input input:focus {
  border-color: var(--border-focus);
}

.diff-summary {
  max-width: 900px;
  margin: 8px auto 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  white-space: pre-wrap;
  line-height: 1.5;
}

.diff-summary-stat {
  display: block;
  padding: 6px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 120px;
  overflow-y: auto;
}

.diff-truncated {
  color: var(--warning);
  font-size: 11px;
}

.diff-error {
  color: var(--danger);
  font-family: var(--font-sans);
}

#diff-toggle-btn.active {
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Budget Warning ────────────────────────────────── */
.budget-warning {
  max-width: 900px;
  margin: 8px auto 0;
  padding: 6px 12px;
  background: rgba(210, 153, 34, 0.1);
  border: 1px solid rgba(210, 153, 34, 0.3);
  border-radius: var(--radius);
  color: var(--warning);
  font-size: 13px;
}

/* ── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

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

/* ── Presence Badge ────────────────────────────────── */
.presence-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(88, 166, 255, 0.15);
  color: var(--accent);
  letter-spacing: 0.3px;
}

.presence-badge::before {
  content: "\25CF ";
  font-size: 8px;
  color: var(--success);
}

/* ── Share Button ──────────────────────────────────── */
.btn-share {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: var(--font-sans);
  margin-left: 8px;
}

.btn-share:hover:not(:disabled) {
  background: var(--accent);
  color: #fff;
}

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

/* ── Modal ─────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.15s ease;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  margin: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

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

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 16px 20px 20px;
}

.modal-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
  margin-top: 14px;
}

.modal-label:first-child {
  margin-top: 0;
}

.modal-input-row {
  display: flex;
  gap: 8px;
}

.modal-input {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-sans);
  outline: none;
}

.modal-input-mono {
  font-family: var(--font-mono);
  font-size: 11px;
}

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

.btn-small {
  padding: 8px 14px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: color 0.15s, border-color 0.15s;
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}

.btn-small:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.modal-export-row {
  display: flex;
  gap: 8px;
}

/* ── Template Picker ───────────────────────────────── */
.template-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 4px;
}

.template-card {
  padding: 12px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.template-card:hover {
  border-color: var(--text-muted);
}

.template-card.selected {
  border-color: var(--accent);
  background: rgba(88, 166, 255, 0.06);
}

.template-card-name {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.template-card.selected .template-card-name {
  color: var(--accent);
}

.template-card-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ── Structured Output Components ─────────────────── */
.structured-output {
  font-size: 14px;
}

/* Summary bar */
.so-summary-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.so-summary-item {
  font-size: 13px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 10px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

/* Severity badges */
.severity-critical,
.so-summary-item.severity-critical { color: #ff7b72; background: rgba(255, 123, 114, 0.12); }
.severity-high,
.so-summary-item.severity-high { color: #ffa657; background: rgba(255, 166, 87, 0.12); }
.severity-medium,
.so-summary-item.severity-medium { color: #d29922; background: rgba(210, 153, 34, 0.12); }
.severity-low,
.so-summary-item.severity-low { color: #58a6ff; background: rgba(88, 166, 255, 0.12); }

.so-summary-tested { color: var(--success); background: rgba(63, 185, 80, 0.12); }
.so-summary-untested { color: var(--danger); background: rgba(248, 81, 73, 0.12); }

/* Finding / concern cards */
.so-finding-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}

.so-finding-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-primary);
}

.so-severity-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  padding: 2px 8px;
  border-radius: 10px;
  flex-shrink: 0;
}

.so-finding-title {
  font-weight: 600;
  font-size: 14px;
}

.so-finding-file {
  padding: 4px 14px 8px;
  font-size: 12px;
}

.so-finding-file code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
}

.so-finding-desc {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.so-finding-remediation {
  padding: 8px 14px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  background: rgba(63, 185, 80, 0.04);
}

/* Section titles */
.so-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 16px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.so-section-title:first-child {
  margin-top: 0;
}

/* Layer / pattern cards */
.so-layers,
.so-patterns {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.so-layer-card,
.so-pattern-card,
.so-section-card,
.so-model-card {
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.so-layer-name,
.so-pattern-name,
.so-section-card-title,
.so-model-name {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.so-layer-desc,
.so-pattern-desc,
.so-section-card-content {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* File tags */
.so-file-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.so-file-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(110, 118, 129, 0.15);
  color: var(--text-secondary);
}

/* Tables */
.so-table {
  width: 100%;
  border-collapse: collapse;
  margin: 6px 0 12px;
  font-size: 13px;
}

.so-table th,
.so-table td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}

.so-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--text-muted);
}

.so-table code {
  font-family: var(--font-mono);
  font-size: 12px;
}

.so-table-compact {
  font-size: 12px;
}

/* Endpoint cards */
.so-endpoint-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  overflow: hidden;
}

.so-endpoint-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--bg-primary);
}

.so-method-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
  font-family: var(--font-mono);
}

.method-get { color: #3fb950; background: rgba(63, 185, 80, 0.12); }
.method-post { color: #58a6ff; background: rgba(88, 166, 255, 0.12); }
.method-put { color: #d29922; background: rgba(210, 153, 34, 0.12); }
.method-delete { color: #f85149; background: rgba(248, 81, 73, 0.12); }
.method-patch { color: #bc8cff; background: rgba(188, 140, 255, 0.12); }

.so-endpoint-path {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}

.so-endpoint-desc {
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-secondary);
}

.so-endpoint-schema {
  padding: 4px 14px;
  font-size: 12px;
  color: var(--text-secondary);
}

.so-endpoint-schema:last-child {
  padding-bottom: 10px;
}

.so-endpoint-schema code {
  font-family: var(--font-mono);
  font-size: 11px;
}

/* Step cards (Migration) */
.so-step-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  overflow: hidden;
}

.so-step-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-primary);
}

.so-step-number {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.so-step-title {
  font-weight: 600;
  font-size: 14px;
  flex: 1;
}

.so-effort-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 10px;
  flex-shrink: 0;
}

.effort-small { color: #3fb950; background: rgba(63, 185, 80, 0.12); }
.effort-medium { color: #d29922; background: rgba(210, 153, 34, 0.12); }
.effort-large { color: #ffa657; background: rgba(255, 166, 87, 0.12); }
.effort-xlarge { color: #f85149; background: rgba(248, 81, 73, 0.12); }

.so-step-desc {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.so-step-risks {
  padding: 4px 14px 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.so-risk-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(248, 81, 73, 0.08);
  color: var(--danger);
  border: 1px solid rgba(248, 81, 73, 0.2);
}

/* Prereqs */
.so-prereq-list {
  padding-left: 20px;
  margin: 4px 0 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.so-prereq-list li {
  margin-bottom: 4px;
}

/* Empty state */
.so-empty {
  padding: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* JSON fallback */
.so-json {
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  color: var(--text-secondary);
}

/* ── Mermaid Diagrams ─────────────────────────────── */
.mermaid-diagram {
  margin: 12px 0;
  padding: 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}

.mermaid-diagram svg {
  max-width: 100%;
  height: auto;
}

.mermaid-error {
  font-size: 12px;
  color: var(--danger);
  padding: 4px 8px;
  margin-top: 4px;
}

.mermaid-clickable {
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dashed;
  text-underline-offset: 2px;
}

.mermaid-clickable:hover {
  fill: var(--accent-hover) !important;
  color: var(--accent-hover) !important;
}

/* ── File Viewer Panel ────────────────────────────── */
.file-viewer {
  position: fixed;
  top: 0;
  right: 0;
  width: 50%;
  min-width: 400px;
  max-width: 700px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s ease;
}

.file-viewer.open {
  transform: translateX(0);
}

.file-viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.file-viewer-path {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  margin-right: 12px;
}

.file-viewer-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.file-viewer-content {
  overflow-y: auto;
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  position: relative;
}

.file-line {
  display: flex;
  padding: 0 16px;
}

.file-line .line-num {
  width: 4ch;
  text-align: right;
  color: var(--text-muted);
  user-select: none;
  flex-shrink: 0;
  padding-right: 12px;
}

.file-line .line-code {
  flex: 1;
  white-space: pre;
  overflow-x: auto;
}

.file-line.highlight {
  background: rgba(88, 166, 255, 0.12);
}

.file-viewer-loading,
.file-viewer-error {
  padding: 24px;
  text-align: center;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 14px;
}

.file-viewer-error {
  color: var(--danger);
}

/* ── Follow-up Suggestion Chips ────────────────────── */
.follow-up-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  max-width: 85%;
  animation: fadeIn 0.2s ease;
}

.follow-up-chip {
  padding: 8px 16px;
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--accent);
  background: rgba(88, 166, 255, 0.08);
  border: 1px solid rgba(88, 166, 255, 0.25);
  border-radius: 16px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  text-align: left;
  line-height: 1.4;
}

.follow-up-chip:hover {
  background: rgba(88, 166, 255, 0.15);
  border-color: var(--accent);
}

/* ── File Viewer Selection Bar ────────────────────── */
.file-viewer-selection-bar {
  position: absolute;
  z-index: 110;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  animation: fadeIn 0.15s ease;
}

/* ── File Viewer Nav Buttons ──────────────────────── */
#file-viewer-back:disabled,
#file-viewer-forward:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ── Welcome Card ─────────────────────────────────── */
.welcome-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  max-width: 600px;
  animation: fadeIn 0.3s ease;
}

.welcome-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.welcome-card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.welcome-stat {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 10px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.welcome-stat-good {
  color: var(--success);
  background: rgba(63, 185, 80, 0.12);
}

.welcome-languages {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.welcome-lang-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(110, 118, 129, 0.15);
  color: var(--text-secondary);
}

.welcome-starter-title {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.welcome-starters {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.welcome-starter {
  padding: 10px 14px;
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--accent);
  background: transparent;
  border: 1px solid rgba(88, 166, 255, 0.25);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, border-color 0.15s;
  line-height: 1.4;
}

.welcome-starter:hover {
  background: rgba(88, 166, 255, 0.08);
  border-color: var(--accent);
}

/* ── Tab Navigation ───────────────────────────────── */
.tab-nav {
  display: flex;
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 2px;
  gap: 2px;
}

.tab-btn {
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-sans);
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tab-btn:hover:not(:disabled) {
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: 600;
}

.tab-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Health Dashboard ─────────────────────────────── */
.health-dashboard {
  overflow-y: auto;
  padding: 24px 20px;
  scroll-behavior: smooth;
}

.dashboard-inner {
  max-width: 900px;
  margin: 0 auto;
}

.dash-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 20px;
}

.dash-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.dash-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.dash-stat-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
}

.dash-stat-value {
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  line-height: 1.2;
}

.dash-stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

.dash-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.dash-bar-label {
  width: 140px;
  font-size: 13px;
  color: var(--text-secondary);
  flex-shrink: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dash-bar-track {
  flex: 1;
  height: 18px;
  background: var(--bg-primary);
  border-radius: 4px;
  overflow: hidden;
}

.dash-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  min-width: 2px;
  transition: width 0.3s ease;
}

.dash-bar-fill-alt {
  background: var(--success);
}

.dash-bar-value {
  width: 80px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-align: right;
  flex-shrink: 0;
}

.dash-dir-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(248, 81, 73, 0.08);
  color: var(--danger);
  border: 1px solid rgba(248, 81, 73, 0.2);
}

.dash-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.dash-dep-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}

.dash-dep-badge-prod {
  background: rgba(88, 166, 255, 0.12);
  color: var(--accent);
}

.dash-dep-badge-dev {
  background: rgba(210, 153, 34, 0.12);
  color: var(--warning);
}

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 640px) {
  .setup-container {
    padding: 20px 16px;
  }

  header#session-bar {
    padding: 8px 12px;
    gap: 8px;
  }

  .session-stats {
    margin-left: 0;
    order: 3;
    width: 100%;
  }

  .messages {
    padding: 16px 12px;
  }

  .message {
    max-width: 95%;
  }

  .input-area {
    padding: 10px 12px 14px;
  }

  .tool-log {
    padding: 0 12px 8px;
  }

  .health-dashboard {
    padding: 16px 12px;
  }

  .dash-bar-label {
    width: 100px;
    font-size: 12px;
  }

  .dash-bar-value {
    width: 60px;
    font-size: 11px;
  }

  .dash-overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .file-viewer {
    width: 100%;
    min-width: 0;
    max-width: none;
  }
}