/* Agentic Brain — design tokens */
:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --surface-2: #f5f5f4;
  --surface-3: #efefee;
  --border: #e7e6e3;
  --border-strong: #d6d5d2;
  --text: #1c1b1a;
  --text-2: #57544f;
  --text-3: #8a8781;
  --text-4: #b5b2ac;
  --accent: oklch(0.58 0.10 200);
  --accent-soft: oklch(0.96 0.02 200);
  --accent-border: oklch(0.88 0.05 200);
  --success: oklch(0.62 0.13 155);
  --success-soft: oklch(0.96 0.03 155);
  --danger: oklch(0.58 0.18 28);
  --danger-soft: oklch(0.96 0.03 28);
  --warn: oklch(0.72 0.13 75);
  --warn-soft: oklch(0.96 0.04 75);
  --shadow-sm: 0 1px 2px rgba(22, 22, 20, 0.04), 0 0 0 1px rgba(22, 22, 20, 0.03);
  --shadow-md: 0 4px 14px -4px rgba(22, 22, 20, 0.08), 0 0 0 1px rgba(22, 22, 20, 0.04);
  --shadow-lg: 0 18px 40px -12px rgba(22, 22, 20, 0.18), 0 0 0 1px rgba(22, 22, 20, 0.06);
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

:root[data-theme="dark"] {
  --bg: #0e0e0d;
  --surface: #161615;
  --surface-2: #1d1d1b;
  --surface-3: #26251f;  /* unused warm, safeguard */
  --border: #2a2a28;
  --border-strong: #3a3a37;
  --text: #f3f2ef;
  --text-2: #b8b5af;
  --text-3: #85827c;
  --text-4: #57544f;
  --accent: oklch(0.72 0.11 200);
  --accent-soft: oklch(0.28 0.05 200);
  --accent-border: oklch(0.38 0.07 200);
  --success: oklch(0.72 0.13 155);
  --success-soft: oklch(0.25 0.05 155);
  --danger: oklch(0.70 0.16 28);
  --danger-soft: oklch(0.25 0.06 28);
  --warn: oklch(0.78 0.13 75);
  --warn-soft: oklch(0.25 0.06 75);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.03);
  --shadow-md: 0 4px 14px -4px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
  --shadow-lg: 0 18px 40px -12px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
}

* { box-sizing: border-box; }
svg { flex-shrink: 0; }
.icon { width: 14px; height: 14px; display: inline-block; vertical-align: middle; }
.icon-sm { width: 12px; height: 12px; }
.icon-lg { width: 18px; height: 18px; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

/* App layout */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }

/* Sidebar */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; align-items: center; gap: 9px; padding: 6px 8px 18px; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--text);
  display: grid; place-items: center;
  color: var(--bg);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: -0.02em;
}
.brand-name { font-weight: 600; font-size: 13.5px; letter-spacing: -0.01em; }
.brand-org { font-size: 11px; color: var(--text-3); margin-left: auto; font-family: var(--font-mono); }

.nav-section { margin-top: 4px; }
.nav-section-label {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-3); padding: 10px 10px 6px; font-weight: 500;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 450;
  cursor: pointer;
  user-select: none;
  transition: background 0.1s;
  white-space: nowrap;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active { background: var(--surface-2); color: var(--text); font-weight: 500; }
.nav-icon { width: 16px; height: 16px; flex-shrink: 0; }
.nav-item .nav-icon, .nav-item .icon { width: 16px; height: 16px; color: var(--text-3); flex-shrink: 0; }
.nav-item.active .nav-icon, .nav-item.active .icon { color: var(--text); }
.nav-item .nav-badge {
  margin-left: auto; font-size: 11px; color: var(--text-3);
  font-family: var(--font-mono);
}

.sidebar-bottom { margin-top: auto; border-top: 1px solid var(--border); padding-top: 10px; }
.user-chip {
  display: flex; align-items: center; gap: 9px; padding: 6px 8px;
  border-radius: var(--radius-sm); cursor: pointer;
}
.user-chip:hover { background: var(--surface-2); }
.user-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  background: linear-gradient(135deg, oklch(0.75 0.08 60), oklch(0.65 0.10 30));
  display: grid; place-items: center;
  color: white; font-weight: 600; font-size: 11px;
}
.user-name { font-size: 13px; font-weight: 500; }
.user-email { font-size: 11px; color: var(--text-3); }

/* Main area */
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 52px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 24px;
  background: var(--bg);
  position: sticky; top: 0; z-index: 10;
}
.topbar-title { font-size: 14px; font-weight: 550; letter-spacing: -0.005em; }
.topbar-crumbs { color: var(--text-3); font-size: 13px; display: flex; align-items: center; gap: 6px; }
.topbar-crumbs .sep { color: var(--text-4); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.page { padding: 28px 32px 60px; max-width: 1240px; width: 100%; }
.page.wide { max-width: none; }
.page-header { margin-bottom: 24px; }
.page-title { font-size: 22px; font-weight: 600; letter-spacing: -0.015em; margin: 0 0 4px; }
.page-desc { color: var(--text-3); font-size: 13.5px; margin: 0; }

/* Generic UI */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 11px;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text);
  transition: all 0.1s;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn svg { width: 14px; height: 14px; }
.btn.primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn.primary:hover { background: var(--text-2); border-color: var(--text-2); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }
.btn.sm { padding: 4px 8px; font-size: 12px; }
.btn.danger { color: var(--danger); border-color: var(--border); }
.btn.danger:hover { background: var(--danger-soft); border-color: var(--danger); }

.input, .select, .textarea {
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 13px;
  color: var(--text);
  transition: border-color 0.1s, box-shadow 0.1s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--text-2);
  box-shadow: 0 0 0 3px var(--surface-2);
}
.textarea { font-family: inherit; resize: vertical; min-height: 80px; line-height: 1.55; }
.textarea.mono { font-family: var(--font-mono); font-size: 12.5px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 12.5px; font-weight: 500; color: var(--text-2); }
.field-hint { font-size: 11.5px; color: var(--text-3); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.card-title { font-size: 14px; font-weight: 550; letter-spacing: -0.005em; }
.card-desc { font-size: 12.5px; color: var(--text-3); margin-top: 2px; }
.card-body { padding: 18px; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 7px; font-size: 11.5px; font-weight: 500;
  border-radius: 999px;
  background: var(--surface-2); color: var(--text-2);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.badge.dot::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.success { color: var(--success); background: var(--success-soft); border-color: transparent; }
.badge.danger { color: var(--danger); background: var(--danger-soft); border-color: transparent; }
.badge.warn { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.badge.accent { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.badge.mono { font-family: var(--font-mono); font-size: 11px; }

.kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
}

.divider { height: 1px; background: var(--border); }

.spinner {
  width: 12px; height: 12px; border-radius: 50%;
  border: 1.5px solid currentColor; border-right-color: transparent;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.test-row-running { animation: pulse 1.2s ease-in-out infinite; }

@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.shimmer {
  background: linear-gradient(90deg, transparent, var(--accent-soft) 30%, var(--accent-soft) 70%, transparent);
  background-size: 800px 100%;
  animation: shimmer 1.3s ease-in-out infinite;
}

@keyframes slideInResult {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.result-in { animation: slideInResult 0.35s ease-out both; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.fade-in { animation: fadeIn 0.25s ease-out both; }

/* Table */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { text-align: left; padding: 11px 14px; }
.tbl th {
  font-size: 11.5px; font-weight: 500;
  color: var(--text-3); text-transform: uppercase; letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}
.tbl tbody tr { border-bottom: 1px solid var(--border); }
.tbl tbody tr:last-child { border-bottom: 0; }
.tbl tbody tr:hover { background: var(--surface-2); }
.tbl td { font-size: 13px; }
.tbl .mono { font-family: var(--font-mono); font-size: 12px; }

/* Toggle */
.toggle {
  width: 28px; height: 16px; border-radius: 999px;
  background: var(--border-strong);
  position: relative; cursor: pointer;
  transition: background 0.15s;
}
.toggle::after {
  content: ''; position: absolute; left: 2px; top: 2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: white; transition: left 0.15s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.toggle.on { background: var(--text); }
.toggle.on::after { left: 14px; }

/* Tabs (inline) */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab {
  padding: 9px 12px; font-size: 13px; color: var(--text-3); cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  font-weight: 500;
}
.tab:hover { color: var(--text-2); }
.tab.active { color: var(--text); border-bottom-color: var(--text); }

/* Pagination */
.pagination {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-top: 1px solid var(--border);
  font-size: 12.5px; color: var(--text-3);
}
.pagination-pages { display: flex; gap: 2px; }
.pagination-pages button {
  min-width: 26px; height: 26px; border-radius: 5px;
  font-size: 12px; color: var(--text-2);
  padding: 0 6px;
}
.pagination-pages button:hover { background: var(--surface-2); }
.pagination-pages button.active { background: var(--text); color: var(--bg); }

/* Empty state */
.empty {
  padding: 40px 20px; text-align: center; color: var(--text-3);
  font-size: 13px;
}
.empty-title { color: var(--text-2); font-size: 14px; font-weight: 500; margin-bottom: 4px; }

/* Utility */
.row { display: flex; align-items: center; gap: 10px; }
.col { display: flex; flex-direction: column; gap: 10px; }
.spacer { flex: 1; }
.mono { font-family: var(--font-mono); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--text-4); }