:root {
  --bg: #f4efe5;
  --panel: rgba(255, 250, 241, 0.92);
  --panel-strong: rgba(255, 247, 234, 0.96);
  --ink: #1f1a17;
  --muted: #726458;
  --line: rgba(77, 57, 38, 0.14);
  --primary: #925826;
  --primary-strong: #703f18;
  --primary-light: rgba(146, 88, 38, 0.08);
  --good: #255f3b;
  --warn: #9f5c17;
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-w: 380px;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --serif: "Noto Serif SC", "Palatino Linotype", Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.8), transparent 34%),
    radial-gradient(circle at top right, rgba(220, 193, 152, 0.35), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, #efe5d5 100%);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button {
  border: none;
  cursor: pointer;
}

a {
  color: inherit;
}

/* ---- Shell ---- */

.shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
  max-width: 1440px;
  margin: 0 auto;
}

/* ---- Header ---- */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  letter-spacing: -0.02em;
}

/* ---- Project picker ---- */

.project-picker {
  position: relative;
}

.project-picker-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 252, 245, 0.95);
  color: var(--ink);
  font-size: 0.88rem;
  cursor: pointer;
  transition: border-color 120ms, box-shadow 120ms;
  max-width: 360px;
}

.project-picker-trigger:hover {
  border-color: rgba(112, 63, 24, 0.3);
}

.project-picker-trigger.is-open {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(146, 88, 38, 0.12);
}

.project-picker-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-picker-arrow {
  font-size: 0.7rem;
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 150ms;
}

.project-picker-trigger.is-open .project-picker-arrow {
  transform: rotate(180deg);
}

.project-picker-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 100%;
  max-width: 420px;
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 252, 245, 0.98);
  box-shadow: 0 8px 24px rgba(61, 38, 14, 0.12);
  z-index: 80;
  padding: 4px;
}

.project-picker-dropdown.is-open {
  display: block;
}

.project-picker-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  margin-bottom: 2px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 80ms;
}

.project-picker-option:last-child {
  margin-bottom: 0;
}

.project-picker-option:hover {
  background: var(--primary-light);
}

.project-picker-option.is-selected {
  background: rgba(146, 88, 38, 0.1);
}

.project-picker-option-name {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.3;
}

.project-picker-option-repo {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 1px;
}

input {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  background: rgba(255, 252, 245, 0.95);
  color: var(--ink);
}

#refresh-btn {
  border-radius: 999px;
  background: var(--primary);
  color: #fffaf1;
  padding: 6px 16px;
  font-size: 0.85rem;
  transition: background 120ms;
}

#refresh-btn:hover {
  background: var(--primary-strong);
}

.header-search {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  width: 160px;
  background: transparent;
}

.header-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
}

.header-meta-text {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  opacity: 0.6;
  background: rgba(255, 252, 247, 0.9);
  white-space: nowrap;
}

/* ---- Main two-column ---- */

.main {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  overflow: hidden;
}

.main > * {
  min-width: 0;
}

/* ---- Sidebar ---- */

.sidebar {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.tab-bar {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 241, 0.6);
}

.tab {
  flex: none;
  padding: 10px 10px;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border-bottom: 2px solid transparent;
  transition: color 120ms, border-color 120ms;
}

.tab:hover {
  color: var(--ink);
}

.tab.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-count {
  font-size: 0.62rem;
  opacity: 0.7;
}

.sidebar-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
  min-width: 0;
}

.load-more-btn {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--primary);
  font-size: 0.85rem;
  cursor: pointer;
}

.load-more-btn:hover {
  background: var(--primary-light);
}

/* ---- Sidebar cards ---- */

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  padding: 14px;
  cursor: pointer;
  transition: transform 100ms, border-color 100ms, box-shadow 100ms;
  overflow: hidden;
  min-width: 0;
}

.card + .card {
  margin-top: 10px;
}

.card-muted {
  opacity: 0.5;
}

.card-deprecated {
  opacity: 0.5;
}

.card-deprecated .card-title {
  text-decoration: line-through;
}

.card:hover {
  transform: translateY(-1px);
  border-color: rgba(112, 63, 24, 0.25);
  box-shadow: 0 8px 20px rgba(61, 38, 14, 0.08);
}

.card.is-selected {
  border-color: rgba(146, 88, 38, 0.5);
  box-shadow: 0 0 0 2px rgba(146, 88, 38, 0.14);
}

.card-title {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-body {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

/* ---- Badge ---- */

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  background: rgba(255, 252, 247, 0.9);
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge.good, .badge.status-active {
  color: #fff;
  background: var(--good);
  border-color: var(--good);
}

.badge.warn, .badge.status-deprecated {
  color: #fff;
  background: var(--warn);
  border-color: var(--warn);
}

.badge.status-done {
  color: #fff;
  background: #8a8078;
  border-color: #8a8078;
}

.badge.status-suspend {
  color: #fff;
  background: #4a7fa5;
  border-color: #4a7fa5;
}

.badge.origin-claude-code {
  color: #fff;
  background: #c47217;
  border-color: #c47217;
}

.badge.origin-cursor {
  color: #fff;
  background: #333;
  border-color: #333;
}

.badge.origin-codex-desktop {
  color: #fff;
  background: #7c5cbf;
  border-color: #7c5cbf;
}

/* ---- Sidebar sections ---- */

.sidebar-section {
  margin-bottom: 20px;
}

.sidebar-section:last-child {
  margin-bottom: 0;
}

.section-label {
  display: block;
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
}

/* ---- Constraint (compact decision row) ---- */

.constraint-list {
  display: grid;
  gap: 6px;
}

.constraint {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 248, 238, 0.9);
  font-size: 0.84rem;
  line-height: 1.35;
  cursor: pointer;
  transition: border-color 100ms;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.constraint:hover {
  border-color: rgba(112, 63, 24, 0.25);
}

.constraint.is-selected {
  border-color: rgba(146, 88, 38, 0.5);
}

.constraint-id {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  margin-right: 6px;
}

/* ---- Detail pane ---- */

.detail-pane {
  overflow-y: auto;
  padding: 28px;
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.4), transparent 40%);
}

.back-btn {
  display: none;
  margin-bottom: 16px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.back-btn:hover {
  color: var(--ink);
}

.detail-content {
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: break-word;
}

.detail-header {
  margin-bottom: 24px;
}

.detail-id {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
}

.detail-title {
  margin: 4px 0 0;
  font-size: 1.4rem;
  line-height: 1.15;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

/* ---- Detail sections ---- */

.detail-section {
  margin-top: 20px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 252, 246, 0.9);
}

.detail-section-title {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
}

.detail-section p {
  margin: 0 0 0.6em;
  line-height: 1.55;
}

.detail-section p:last-child {
  margin-bottom: 0;
}

.detail-kv {
  display: grid;
  gap: 8px;
}

.detail-kv-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--line);
}

.detail-kv-row:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.detail-kv-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.detail-kv-value {
  text-align: right;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
  min-width: 0;
}

/* ---- Detail links (navigate to related objects) ---- */

.detail-link-list {
  display: grid;
  gap: 8px;
}

.detail-link {
  width: 100%;
  display: grid;
  gap: 2px;
  text-align: left;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 248, 238, 0.92);
  color: var(--ink);
  cursor: pointer;
  transition: background 100ms;
}

.detail-link:hover {
  background: rgba(255, 243, 226, 0.98);
}

.detail-link.is-selected {
  border-color: rgba(146, 88, 38, 0.5);
}

.detail-link-label {
  font-weight: 600;
  font-size: 0.88rem;
}

.detail-link-meta {
  color: var(--muted);
  font-size: 0.8rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---- Relation items (unified linked-object cards) ---- */

.relation-list {
  display: grid;
  gap: 8px;
}

.relation-item {
  width: 100%;
  display: grid;
  gap: 4px;
  text-align: left;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 248, 238, 0.92);
  color: var(--ink);
  cursor: pointer;
  transition: background 100ms;
}

.relation-item:hover {
  background: rgba(255, 243, 226, 0.98);
}

.relation-item.rel-muted {
  opacity: 0.5;
}

.relation-item.rel-deprecated {
  opacity: 0.5;
}

.relation-item.rel-deprecated .relation-title {
  text-decoration: line-through;
}

.relation-id {
  display: flex;
  gap: 6px;
  align-items: center;
}

.relation-title {
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.3;
}

.relation-meta {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---- Collapsible sections ---- */

.collapse-toggle {
  margin-top: 12px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line);
  padding: 8px 12px;
  background: transparent;
}

.collapse-toggle summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.collapse-toggle[open] summary {
  margin-bottom: 8px;
}

/* ---- Deprecated variant ---- */

.collapse-toggle.is-deprecated .detail-link,
.collapse-toggle.is-deprecated .card {
  opacity: 0.55;
}

.collapse-toggle.is-deprecated .detail-link-label,
.collapse-toggle.is-deprecated .card-title {
  text-decoration: line-through;
}

/* ---- Raw JSON toggle ---- */

.raw-toggle {
  margin-top: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 252, 246, 0.7);
  padding: 10px 12px;
}

.raw-toggle summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--muted);
}

.raw-toggle[open] summary {
  margin-bottom: 10px;
}

.raw-pre {
  margin: 0;
  padding: 14px;
  border-radius: var(--radius);
  background: #231b15;
  color: #f7efe2;
  overflow-x: auto;
  font-size: 0.8rem;
  font-family: var(--mono);
  line-height: 1.5;
}

/* ---- Search ---- */

.search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.search-bar input {
  flex: 1;
  min-width: 0;
}

.search-bar button {
  border-radius: 999px;
  background: var(--primary);
  color: #fffaf1;
  padding: 8px 16px;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.search-bar button:hover {
  background: var(--primary-strong);
}

/* ---- Setup guide ---- */

.setup-guide h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

.setup-guide p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.86rem;
}

.setup-step {
  margin-top: 14px;
}

.setup-step h4 {
  margin: 0 0 4px;
  font-size: 0.88rem;
}

.setup-step p {
  margin: 0 0 6px;
  font-size: 0.82rem;
}

.command-snippet {
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: #231b15;
  color: #f7efe2;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.5;
  font-family: var(--mono);
}

/* ---- Workspace rows in project overview ---- */

.workspace-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

.workspace-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* ---- Drawer (right slide-out panel) ---- */

.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
  z-index: 90;
}

.drawer-overlay.open {
  display: block;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(520px, 80vw);
  height: 100vh;
  background: var(--bg);
  border-left: 1px solid var(--line);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 200ms ease;
}

.drawer.open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 12px 16px;
}

.drawer-close {
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  width: 32px;
  height: 32px;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.drawer-close:hover {
  background: var(--panel-strong);
  color: var(--ink);
}

.drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 8px 24px 28px;
}

/* Reuse detail styles inside drawer */
.drawer-content .detail-section,
.drawer-content .detail-header,
.drawer-content .relation-list,
.drawer-content .detail-kv {
  /* inherits from existing styles */
}

/* ---- Utility ---- */

.empty-state {
  color: var(--muted);
  font-size: 0.88rem;
  padding: 16px 0;
}

.loading {
  animation: pulse 1.2s ease-in-out infinite;
}

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

.muted {
  color: var(--muted);
}

.is-error {
  color: #8c2f23;
}

/* ---- Footer ---- */

.footer {
  padding: 8px 20px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  background: var(--panel);
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .header {
    flex-wrap: wrap;
    padding: 10px 14px;
  }

  .main {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: none;
  }

  .detail-pane {
    display: none;
    padding: 20px 14px;
  }

  .shell.detail-open .sidebar {
    display: none;
  }

  .shell.detail-open .detail-pane {
    display: block;
  }

  .shell.detail-open .back-btn {
    display: inline-block;
  }
}