/* #region VARIABLES */
:root {
  --bg-deep: #101114;
  --bg-surface: #16181c;
  --bg-elevated: #1e2025;
  --bg-hover: #282a30;
  --border: #363840;
  --text-primary: #f0f1f3;
  --text-secondary: #c2c4c9;
  --text-tertiary: #9a9da5;
  --text-muted: #7d808a;
  --accent: #e86f33;
  --accent-text: #f0a070;
  --accent-dim: rgba(232, 111, 51, 0.22);
  --accent-glow: rgba(232, 111, 51, 0.55);
  --success: #3ecf8e;
  --success-dim: rgba(62, 207, 142, 0.18);
  --warning: #f0b429;
  --warning-dim: rgba(240, 180, 41, 0.18);
  --error: #ef4444;
  --error-dim: rgba(239, 68, 68, 0.18);
  --scope-user: #c08050;
  --scope-project: #7ab5a0;
  --scope-local: #8a9bb5;
  --scope-rule: #a89bc4;
  --scope-memory: #c4a06a;
  --scope-agent-memory: #8aa8a3;
  --scope-policy: #b58a8a;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-serif: 'Playfair Display', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
/* #endregion VARIABLES */

/* #region RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  height: calc(100vh / 1.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  zoom: 1.25;
}
.mono {
  font-family: var(--font-mono);
}
/* #endregion RESET */

/* #region SCROLLBAR */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}
/* #endregion SCROLLBAR */

/* #region TOPBAR */
.topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  z-index: 10;
}
.topbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-mark svg {
  width: 14px;
  height: 14px;
  color: white;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.topbar-project {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px;
  font-family: var(--font-mono);
  white-space: nowrap;
}
.topbar-project:hover {
  border-color: var(--accent);
  color: var(--text-secondary);
}
.spacer {
  flex: 1;
}
.topbar-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  transition: all 0.15s ease;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-decoration: none;
}
.topbar-btn:hover {
  border-color: var(--accent);
  color: var(--text-secondary);
}
.topbar-btn svg {
  color: var(--text-muted);
}
.topbar-btn.loading svg {
  animation: spin 1s linear infinite;
}
/* #endregion TOPBAR */

/* #region BUDGET_BAR */
.budget-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 6px 16px 8px;
  flex-shrink: 0;
}
.budget-label {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.budget-track {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}
.budget-segments {
  display: flex;
  height: 100%;
}
.budget-segment {
  height: 100%;
  transition: width 0.3s;
  position: relative;
}
.budget-segment:first-child {
  border-radius: 3px 0 0 3px;
}
.budget-segment:last-child {
  border-radius: 0 3px 3px 0;
}
/* #endregion BUDGET_BAR */

/* #region MAIN_LAYOUT */
.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}
.tree-panel {
  width: 260px;
  min-width: 150px;
  max-width: 50%;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
}
.resize-handle {
  width: 4px;
  margin-left: -2px;
  margin-right: -2px;
  cursor: col-resize;
  background: transparent;
  flex-shrink: 0;
  z-index: 10;
  position: relative;
  transition: background 0.15s;
}
.resize-handle:hover,
.resize-handle.active {
  background: var(--accent);
}
.preview-panel {
  flex: 1;
  overflow-y: auto;
  background: var(--bg-deep);
  display: flex;
  flex-direction: column;
}
.preview-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 8px;
  color: var(--text-muted);
  font-size: 13px;
}
/* #endregion MAIN_LAYOUT */

/* #region TREE */
.tree-group-header {
  padding: 8px 12px 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.tree-subgroup-header {
  padding: 6px 12px 2px 20px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.85;
}
.tree-subgroup-header .agent-name {
  color: var(--text-tertiary);
}
.tree-subgroup-header .agent-scope-tag {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(138, 168, 163, 0.12);
  color: var(--scope-agent-memory);
  opacity: 0.85;
}
.tree-group-clickable {
  cursor: pointer;
  user-select: none;
}
.tree-group-clickable:hover {
  color: var(--text-secondary);
}
.group-chevron {
  display: inline-block;
  width: 10px;
  font-size: 9px;
  color: var(--text-muted);
}
.tree-agent-item .file-name {
  opacity: 0.7;
}
body.light .tree-agent-item .file-name {
  opacity: 0.8;
}
.tree-item {
  padding: 5px 12px 5px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background 0.1s;
  font-size: 12px;
  color: var(--text-secondary);
}
.tree-item:hover {
  background: var(--bg-hover);
}
.tree-item.selected {
  background: var(--accent-dim);
  color: var(--accent);
}
.tree-item .load-icon {
  font-size: 10px;
  width: 12px;
  text-align: center;
  flex-shrink: 0;
}
.tree-item .file-name {
  font-family: var(--font-mono);
  font-size: 11px;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tree-item .file-meta {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.tree-child .file-name {
  opacity: 0.75;
}
.tree-conditional .file-name {
  opacity: 0.55;
}
body.light .tree-conditional .file-name {
  opacity: 0.75;
}
/* #endregion TREE */

/* #region PREVIEW */
.preview-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}
.preview-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.preview-title .file-path {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
}
.preview-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.preview-imports {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.preview-filepath {
  padding: 4px 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-code {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  padding: 12px 16px;
  margin: 0;
  overflow: auto;
  flex: 1;
}
.preview-code .hljs {
  background: transparent;
  padding: 0;
}
.preview-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  display: flex;
  gap: 8px;
}
.hl-frontmatter {
  color: var(--text-muted);
  opacity: 0.6;
}
.import-link {
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
}
.import-link:hover {
  text-decoration-style: solid;
}
.inline-import {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-style: dotted;
  cursor: pointer;
}
.inline-import:hover {
  text-decoration-style: solid;
}
.import-link.unresolved {
  color: var(--text-muted);
  cursor: default;
  text-decoration: none;
  opacity: 0.6;
}
/* #region MEMORY_INDEX */
.memory-index {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.memory-index-row {
  display: grid;
  grid-template-columns: 72px max-content 1fr;
  align-items: baseline;
  gap: 8px;
  padding: 3px 0;
}
.memory-index-type {
  text-align: center;
  justify-self: center;
}
.modal-orphan-list {
  margin: 0;
  padding: 8px 12px 8px 28px;
  list-style: disc;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}
.memory-index-name {
  font-size: 11px;
  font-family: var(--font-mono);
  white-space: nowrap;
}
.memory-index-desc {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* #endregion MEMORY_INDEX */

.cutoff-line {
  border-top: 2px dashed var(--error);
  margin: 8px 0;
  position: relative;
}
.cutoff-label {
  position: absolute;
  top: -10px;
  right: 0;
  font-size: 9px;
  color: var(--error);
  background: var(--bg-deep);
  padding: 0 4px;
}
.preview-code-faded {
  opacity: 0.35;
}
/* #endregion PREVIEW */

/* #region BADGES */
.scope-badge {
  display: inline-block;
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.scope-user {
  background: rgba(196, 149, 106, 0.18);
  color: var(--scope-user);
}
.scope-project {
  background: rgba(122, 181, 160, 0.18);
  color: var(--scope-project);
}
.scope-local {
  background: rgba(138, 155, 181, 0.18);
  color: var(--scope-local);
}
.scope-rule {
  background: rgba(168, 155, 196, 0.18);
  color: var(--scope-rule);
}
.scope-memory {
  background: rgba(196, 149, 106, 0.18);
  color: var(--scope-memory);
}
.scope-agent-memory {
  background: rgba(138, 168, 163, 0.18);
  color: var(--scope-agent-memory);
}
.scope-policy {
  background: rgba(181, 138, 138, 0.18);
  color: var(--scope-policy);
}
.load-badge {
  display: inline-block;
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.tag-badge {
  display: inline-block;
  font-size: 9px;
  padding: 1px 5px;
  background: var(--bg-elevated);
  border-radius: 3px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}
/* #endregion BADGES */

/* #region SUMMARY_BAR */
.summary-bar {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 4px 16px;
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}
.summary-card {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.sc-value {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
}
.sc-label {
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
}
/* #endregion SUMMARY_BAR */

/* #region MODAL */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open {
  display: flex;
}
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 440px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 {
  font-size: 14px;
  font-weight: 600;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 2px;
}
.modal-close:hover {
  color: var(--text-primary);
}
.modal-body {
  padding: 16px;
}
.modal-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.modal-field {
  margin-bottom: 12px;
}
.modal-field label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.modal-field input {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
}
.modal-field input:focus {
  outline: none;
  border-color: var(--accent);
}
.modal-hint {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}
.modal-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}
.modal-close-btn {
  display: block;
  width: calc(100% - 32px);
  margin: 0 16px 16px;
  padding: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
}
.modal-close-btn:hover {
  background: var(--bg-hover);
}
.action-btn {
  padding: 6px 14px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
}
.action-btn:hover {
  background: var(--bg-hover);
}
.action-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.action-btn.primary:hover {
  filter: brightness(1.1);
}
.action-btn.danger {
  background: var(--error);
  border-color: var(--error);
  color: #fff;
}
.action-btn.danger:hover {
  filter: brightness(1.1);
}
.modal-filepath {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-tertiary);
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  margin: 8px 0 12px;
  word-break: break-all;
}
.preview-actions {
  margin-left: auto;
  display: inline-flex;
  gap: 4px;
}
.action-btn.small {
  padding: 2px 6px;
  font-size: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.shortcut-section {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.shortcut-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.shortcut-table {
  font-size: 12px;
}
.shortcut-table td {
  padding: 2px 0;
}
.shortcut-table td:first-child {
  padding-right: 12px;
}
kbd {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-secondary);
}
.recent-projects-label {
  font-size: 11px;
  color: var(--text-muted);
  margin: 10px 0 4px;
}
.recent-project-item {
  display: flex;
  align-items: center;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}
.recent-project-item:hover {
  background: var(--bg-hover);
}
.recent-project-item span {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.recent-project-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  padding: 0 4px;
  opacity: 0;
}
.recent-project-item:hover .recent-project-remove {
  opacity: 1;
}
/* #endregion MODAL */

/* #region LOADING */
.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 40px;
  color: var(--text-muted);
  font-size: 12px;
}
.loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
/* #endregion LOADING */

/* #region TOAST */
.toast-container {
  position: fixed;
  bottom: 16px;
  right: 16px;
  z-index: 300;
}
.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  animation: slideIn 0.2s;
  margin-top: 6px;
}
.toast.error {
  border-color: var(--error);
  color: var(--error);
}
.toast.success {
  border-color: #2ea043;
  color: #2ea043;
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* #endregion TOAST */

/* #region LIGHT_THEME */
body.light {
  --bg-deep: #e8e6e3;
  --bg-surface: #f4f3f1;
  --bg-elevated: #dddbd8;
  --bg-hover: #d2d0cc;
  --border: #a09b94;
  --text-primary: #0a0a0a;
  --text-secondary: #444444;
  --text-tertiary: #666666;
  --text-muted: #888888;
  --accent-text: #b85a20;
}
/* #endregion LIGHT_THEME */

/* #region RESPONSIVE */
@media (max-width: 900px) {
  .tree-panel {
    width: 200px;
  }
}
@media (max-width: 600px) {
  .tree-panel {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 40vh;
  }
  .main-layout {
    flex-direction: column;
  }
  .summary-bar {
    flex-wrap: wrap;
  }
  .shortcut-grid {
    grid-template-columns: 1fr;
  }
}
/* #endregion RESPONSIVE */