/* Curtain — design tokens */
:root {
  --bg: #FAFAF8;
  --bg-elev: #FFFFFF;
  --bg-subtle: #F4F2EE;
  --bg-hover: #F0EEEA;
  --ink: #0B0D0E;
  --ink-2: #2C2E32;
  --ink-3: #5B5E64;
  --ink-4: #8A8D93;
  --ink-5: #B8BAC0;
  --line: #E7E5E0;
  --line-2: #EFEDE8;
  --accent: oklch(0.55 0.18 280);
  --accent-soft: oklch(0.96 0.03 280);
  --accent-ink: oklch(0.42 0.20 280);
  --success: oklch(0.62 0.10 150);
  --success-soft: oklch(0.96 0.04 150);
  --warning: oklch(0.70 0.12 80);
  --warning-soft: oklch(0.97 0.05 80);
  --danger: oklch(0.58 0.14 25);
  --danger-soft: oklch(0.97 0.04 25);
  --shadow-card: 0 1px 0 rgba(15, 18, 22, 0.02), 0 1px 2px rgba(15, 18, 22, 0.03);
  --shadow-pop: 0 1px 0 rgba(15, 18, 22, 0.02), 0 6px 24px -8px rgba(15, 18, 22, 0.10);
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  overflow-x: hidden;
}

button { font-family: inherit; font-size: inherit; cursor: pointer; border: none; background: none; color: inherit; padding: 0; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
input:focus, textarea:focus, button:focus { outline: none; }
::selection { background: var(--accent-soft); color: var(--accent-ink); }

/* App layout */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* Setup / Auth screen */
.setup-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
}
.setup-card {
  width: 380px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-pop);
  padding: 32px;
}
.setup-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.setup-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 6px;
}
.setup-sub {
  font-size: 13px;
  color: var(--ink-3);
  margin: 0 0 24px;
  line-height: 1.5;
}
.setup-field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.setup-label { font-size: 12px; font-weight: 500; color: var(--ink-2); }
.setup-input {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg);
  font-size: 13.5px;
  transition: border-color 150ms;
  width: 100%;
}
.setup-input:focus { border-color: var(--ink-3); }
.setup-err { font-size: 12px; color: var(--danger); margin-top: 10px; }

.sidebar {
  border-right: 1px solid var(--line);
  background: #FCFBF8;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 0;
  height: 100vh;
  min-width: 0;
  max-width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 4px 8px 4px 6px;
}
.brand-mark {
  width: 22px; height: 22px;
  border-radius: 5px;
  background: var(--ink);
  position: relative;
  display: grid; place-items: center;
}
.brand-mark::before, .brand-mark::after {
  content: ''; position: absolute;
  width: 4px; height: 12px; top: 5px;
  background: #FCFBF8;
  border-radius: 1px;
}
.brand-mark::before { left: 5px; }
.brand-mark::after { right: 5px; }
.brand-name {
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 14.5px;
}
.brand-ws {
  font-size: 11.5px;
  color: var(--ink-4);
  margin-left: auto;
  font-family: var(--font-mono);
  background: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-section { display: flex; flex-direction: column; gap: 1px; }
.nav-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-4);
  padding: 6px 8px;
  font-weight: 500;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border-radius: var(--r-sm);
  color: var(--ink-2);
  font-weight: 450;
  width: 100%;
  text-align: left;
  transition: background 120ms ease, color 120ms ease;
  font-size: 13.5px;
}
.nav-item:hover { background: var(--bg-hover); color: var(--ink); }
.nav-item.active { background: var(--ink); color: #FCFBF8; }
.nav-item .nav-icon {
  width: 16px; height: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  opacity: 0.85;
}
.nav-item .nav-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
}
.nav-item.active .nav-count { color: rgba(252, 251, 248, 0.6); }

.sidebar-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}
.avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, oklch(0.55 0.18 280), oklch(0.55 0.14 230));
  color: white;
  display: grid; place-items: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.user-meta { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.user-name { font-size: 13px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-role { font-size: 11.5px; color: var(--ink-4); }

/* Main */
.main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.topbar {
  height: 56px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 28px;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 5;
  gap: 16px;
}
.topbar-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
}
.topbar-crumb {
  display: flex; align-items: center; gap: 8px;
  color: var(--ink-3);
  font-size: 13.5px;
  min-width: 0;
}
.topbar-crumb .sep { color: var(--ink-5); }
.topbar-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.topbar-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 6px 10px;
  width: 280px;
  color: var(--ink-4);
  font-size: 13px;
  transition: border-color 150ms;
}
.topbar-search:hover { border-color: var(--ink-5); }
.topbar-search kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  background: var(--bg-subtle);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--line);
  color: var(--ink-3);
}

.page {
  padding: 32px 36px 80px;
  max-width: 1240px;
  width: 100%;
  min-width: 0;
  overflow-x: hidden;
}
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.page-title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.018em;
  margin: 0 0 4px;
}
.page-sub {
  color: var(--ink-3);
  font-size: 13.5px;
  margin: 0;
  max-width: 60ch;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  transition: background 150ms, border-color 150ms, transform 80ms;
  white-space: nowrap;
}
.btn:hover { background: var(--bg-hover); border-color: var(--ink-5); }
.btn:active { transform: translateY(0.5px); }
.btn.primary {
  background: var(--ink);
  color: #FCFBF8;
  border-color: var(--ink);
}
.btn.primary:hover { background: var(--ink-2); border-color: var(--ink-2); }
.btn.accent {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.btn.accent:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--bg-hover); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); border-color: var(--danger); }
.btn.sm { padding: 4px 9px; font-size: 12px; gap: 5px; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* Card */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  min-width: 0;
  max-width: 100%;
}
.card-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  min-width: 0;
}
.card-head > * { min-width: 0; }
.card-title {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.card-sub { color: var(--ink-4); font-size: 12.5px; }
.card-body { padding: 18px; }
.card-foot {
  padding: 12px 18px;
  border-top: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12.5px;
  color: var(--ink-3);
}

/* Metric */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
.metric {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  display: flex; flex-direction: column;
  gap: 6px;
  position: relative;
  transition: border-color 150ms;
}
.metric:hover { border-color: var(--ink-5); }
.metric-label {
  font-size: 12px;
  color: var(--ink-3);
  display: flex; align-items: center; gap: 7px;
  font-weight: 500;
}
.metric-value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.025em;
  font-feature-settings: 'tnum' 1, 'cv11' 1;
}
.metric-meta {
  font-size: 11.5px;
  color: var(--ink-4);
  display: flex; align-items: center; gap: 6px;
}
.metric-delta {
  font-family: var(--font-mono);
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--success-soft);
  color: var(--success);
  font-size: 10.5px;
  font-weight: 500;
}
.metric-delta.down { background: var(--danger-soft); color: var(--danger); }
.metric-delta.flat { background: var(--bg-subtle); color: var(--ink-3); }
.metric-spark {
  position: absolute;
  right: 14px; top: 14px;
  height: 28px; width: 64px;
  opacity: 0.7;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
  font-family: var(--font-sans);
  letter-spacing: 0;
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.active { background: var(--success-soft); color: var(--success); border-color: oklch(0.85 0.06 150); }
.badge.pending { background: var(--warning-soft); color: var(--warning); border-color: oklch(0.85 0.07 80); }
.badge.disabled { background: var(--bg-subtle); color: var(--ink-3); border-color: var(--line); }
.badge.escalate { background: var(--danger-soft); color: var(--danger); border-color: oklch(0.85 0.06 25); }
.badge.accent { background: var(--accent-soft); color: var(--accent-ink); border-color: oklch(0.88 0.06 280); }
.badge.mono { font-family: var(--font-mono); font-size: 10.5px; padding: 2px 6px; }

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th {
  text-align: left;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-4);
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
  position: sticky; top: 0;
}
.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-2);
  vertical-align: middle;
}
.table tbody tr { transition: background 100ms; cursor: pointer; }
.table tbody tr:hover { background: var(--bg-subtle); }
.table tbody tr.selected { background: var(--accent-soft); }
.table tbody tr:last-child td { border-bottom: none; }

/* Filter bar */
.filterbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-2);
  background: var(--bg-elev);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  flex-wrap: wrap;
}
.filter-input {
  flex: 1;
  min-width: 160px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg);
  font-size: 13px;
  transition: border-color 150ms;
}
.filter-input:focus { border-color: var(--ink-3); }
.chip-group { display: flex; gap: 4px; padding: 2px; background: var(--bg-subtle); border-radius: var(--r-md); }
.chip {
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 5px;
  color: var(--ink-3);
  font-weight: 500;
  transition: all 120ms;
}
.chip.active { background: var(--bg-elev); color: var(--ink); box-shadow: 0 1px 2px rgba(15,18,22,0.06); }
.chip:hover:not(.active) { color: var(--ink); }

/* Confidence bar */
.conf {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-2);
}
.conf-bar {
  width: 60px;
  height: 4px;
  background: var(--bg-subtle);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.conf-bar > span {
  display: block;
  height: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: width 400ms cubic-bezier(.2,.8,.2,1);
}
.conf-bar.low > span { background: var(--danger); }
.conf-bar.mid > span { background: var(--warning); }
.conf-bar.high > span { background: var(--success); }

/* Mono code blocks */
.kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0 16px;
  font-size: 13px;
}
.kv > dt {
  color: var(--ink-4);
  font-size: 12px;
  padding: 10px 0;
  border-top: 1px dashed var(--line-2);
  font-weight: 500;
}
.kv > dd {
  margin: 0;
  padding: 10px 0;
  border-top: 1px dashed var(--line-2);
  color: var(--ink);
}
.kv > dt:first-of-type, .kv > dd:first-of-type { border-top: none; }

.mono { font-family: var(--font-mono); font-size: 12.5px; }
.id-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 4px;
}

/* Detail layout */
.detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: start;
}

.section-h {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-4);
  font-weight: 500;
  margin: 0 0 10px;
}

/* Console (query testing) */
.console {
  background: var(--ink);
  color: #E9E7E2;
  border-radius: var(--r-lg);
  padding: 0;
  border: 1px solid var(--ink);
  position: relative;
  overflow: hidden;
}
.console-head {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(252, 251, 248, 0.6);
}
.console-head .lights { display: flex; gap: 5px; }
.console-head .lights span { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.15); }
.console-body {
  padding: 16px;
}
.console textarea {
  width: 100%;
  background: transparent;
  border: none;
  color: #FCFBF8;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.55;
  resize: none;
  min-height: 84px;
}
.console textarea::placeholder { color: rgba(252,251,248,0.32); }
.console-prompt {
  color: oklch(0.75 0.16 280);
  font-family: var(--font-mono);
  font-size: 13.5px;
  user-select: none;
  margin-right: 8px;
}
.console-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: rgba(252,251,248,0.4);
}
.console .sample {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: rgba(252,251,248,0.7);
  cursor: pointer;
  transition: background 150ms;
}
.console .sample:hover { background: rgba(255,255,255,0.08); color: #FCFBF8; }

/* Result */
.result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 14px;
}
.decision-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
}
.decision-card::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
}
.decision-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-4);
  font-weight: 500;
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.decision-text {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.012em;
  margin-bottom: 16px;
  text-wrap: pretty;
}
.decision-meta {
  display: flex; align-items: center; gap: 14px;
  font-size: 12.5px;
  color: var(--ink-3);
  padding-top: 14px;
  border-top: 1px dashed var(--line-2);
}

/* Confidence ring */
.ring-wrap {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 18px;
  display: flex; flex-direction: column; align-items: center;
  gap: 12px;
}
.ring {
  width: 92px; height: 92px;
  position: relative;
}
.ring svg { transform: rotate(-90deg); }
.ring-label {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.ring-cap { font-size: 11px; color: var(--ink-4); text-align: center; }

/* Pipeline trace */
.trace {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.trace-row {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line-2);
  font-size: 13px;
}
.trace-row:last-child { border-bottom: none; }
.trace-step {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
}
.trace-row.match .trace-step { background: var(--ink); color: #FCFBF8; border-color: var(--ink); }
.trace-row.match { background: var(--bg-subtle); }
.trace-name { font-weight: 500; }
.trace-desc { color: var(--ink-4); font-size: 12px; }

/* Activity feed */
.feed { display: flex; flex-direction: column; }
.feed-row {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-2);
  align-items: start;
}
.feed-row:last-child { border-bottom: none; }
.feed-icon {
  width: 18px; height: 18px;
  display: grid; place-items: center;
  margin-top: 1px;
  color: var(--ink-3);
}
.feed-text { font-size: 13.5px; line-height: 1.45; }
.feed-text strong { font-weight: 500; }
.feed-text .qt { color: var(--ink-3); font-style: normal; }
.feed-meta { font-size: 11.5px; color: var(--ink-4); font-family: var(--font-mono); white-space: nowrap; }

/* Skeleton shimmer */
.skel {
  background: linear-gradient(90deg, var(--bg-subtle) 0%, var(--line-2) 50%, var(--bg-subtle) 100%);
  background-size: 200% 100%;
  animation: skel 1.4s ease-in-out infinite;
  border-radius: 4px;
}
@keyframes skel {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Logs page bits */
.logs-pair {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-elev);
  overflow: hidden;
}
.logs-list { border-right: 1px solid var(--line); max-height: 640px; overflow-y: auto; }
.log-row {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-2);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  align-items: center;
  cursor: pointer;
  transition: background 100ms;
}
.log-row:hover { background: var(--bg-subtle); }
.log-row.selected { background: var(--accent-soft); }
.log-input { font-size: 13px; line-height: 1.4; color: var(--ink); }
.log-input.truncate {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.log-meta { font-family: var(--font-mono); font-size: 11px; color: var(--ink-4); justify-self: end; }
.log-detail {
  padding: 22px 24px;
  display: flex; flex-direction: column; gap: 18px;
  max-height: 640px; overflow-y: auto;
}

/* Drawer/modal hint */
.empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-4);
  font-size: 13.5px;
}

/* Switch toggle */
.switch {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px;
}
.switch-track {
  width: 30px; height: 18px;
  background: var(--bg-subtle); border: 1px solid var(--line);
  border-radius: 999px;
  position: relative;
  transition: background 150ms;
}
.switch-track::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--ink-3);
  top: 50%; left: 3px;
  transform: translateY(-50%);
  transition: left 150ms, background 150ms;
}
.switch.on .switch-track { background: var(--ink); border-color: var(--ink); }
.switch.on .switch-track::after { background: #FCFBF8; left: 15px; }

/* Tabs */
.tabs {
  display: flex; gap: 2px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}
.tab {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--ink-3);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: color 150ms, border-color 150ms;
  margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--ink); }

/* Modal overlay */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(11, 13, 14, 0.4);
  display: grid; place-items: center;
  z-index: 100;
  backdrop-filter: blur(2px);
}
.modal {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-pop);
  width: 520px;
  max-width: calc(100vw - 48px);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}
.modal-head {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.modal-body { padding: 20px 24px; display: flex; flex-direction: column; gap: 16px; }
.modal-foot {
  padding: 16px 24px;
  border-top: 1px solid var(--line-2);
  display: flex; justify-content: flex-end; gap: 8px;
}
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 12px; font-weight: 500; color: var(--ink-2); }
.field input, .field textarea, .field select {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg);
  font-size: 13.5px;
  transition: border-color 150ms;
  width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--ink-3); outline: none; }
.field textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
.field-hint { font-size: 11.5px; color: var(--ink-4); }

/* Density overrides */
body[data-density="compact"] .page { padding: 22px 28px 60px; }
body[data-density="compact"] .table td { padding: 8px 14px; }
body[data-density="compact"] .table th { padding: 8px 14px; }
body[data-density="compact"] .metric { padding: 12px 14px; }
body[data-density="compact"] .metric-value { font-size: 24px; }
body[data-density="compact"] .card-body { padding: 14px; }
body[data-density="compact"] .card-head { padding: 11px 14px; }

/* Console light theme */
body[data-console="light"] .console { background: #FCFBF8; color: var(--ink); border-color: var(--line); }
body[data-console="light"] .console textarea { color: var(--ink); }
body[data-console="light"] .console textarea::placeholder { color: var(--ink-4); }
body[data-console="light"] .console-head { color: var(--ink-3); border-color: var(--line-2); }
body[data-console="light"] .console-foot { color: var(--ink-3); border-color: var(--line-2); }
body[data-console="light"] .console-head .lights span { background: var(--line); }
body[data-console="light"] .console-prompt { color: var(--accent); }
body[data-console="light"] .console .sample { background: var(--bg-subtle); border-color: var(--line); color: var(--ink-3); }
body[data-console="light"] .console .sample:hover { background: var(--bg-hover); color: var(--ink); }

/* Settings */
.settings-section { margin-bottom: 32px; }
.settings-section-title { font-size: 14px; font-weight: 600; margin: 0 0 16px; }
.settings-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-2);
  gap: 16px;
}
.settings-row:last-child { border-bottom: none; }
.settings-row-label { font-size: 13.5px; font-weight: 500; }
.settings-row-sub { font-size: 12px; color: var(--ink-4); margin-top: 2px; }
.settings-input {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg);
  font-size: 13px;
  width: 120px;
  text-align: right;
  transition: border-color 150ms;
}
.settings-input:focus { border-color: var(--ink-3); outline: none; }

/* Error / alert */
.alert {
  padding: 12px 16px;
  border-radius: var(--r-md);
  font-size: 13px;
  display: flex; gap: 10px; align-items: flex-start;
}
.alert.err { background: var(--danger-soft); color: var(--danger); border: 1px solid oklch(0.85 0.06 25); }
.alert.warn { background: var(--warning-soft); color: var(--warning); border: 1px solid oklch(0.85 0.07 80); }
.alert.success { background: var(--success-soft); color: var(--success); border: 1px solid oklch(0.85 0.06 150); }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ─── Documentation page ──────────────────────────────────────────────────── */
.doc-layout {
  display: grid;
  grid-template-columns: 192px 1fr;
  gap: 48px;
  align-items: start;
}

.doc-toc {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.doc-toc-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-4);
  font-weight: 600;
  padding: 0 8px;
  margin-bottom: 6px;
}

.doc-toc-item {
  display: block;
  padding: 5px 10px;
  font-size: 12.5px;
  color: var(--ink-3);
  border-radius: var(--r-sm);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: color 120ms, background 120ms, border-color 120ms;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.doc-toc-item:hover { color: var(--ink); background: var(--bg-hover); }
.doc-toc-item.toc-active { color: var(--accent-ink); background: var(--accent-soft); border-left-color: var(--accent); font-weight: 500; }
.doc-toc-item.toc-sub { font-size: 12px; padding-left: 20px; color: var(--ink-4); }
.doc-toc-item.toc-sub.toc-active { color: var(--accent-ink); }
.doc-toc-sep { height: 1px; background: var(--line); margin: 8px 0; }

.doc-section {
  margin-bottom: 64px;
  scroll-margin-top: 20px;
}
.doc-sub {
  scroll-margin-top: 20px;
}

.doc-h2 {
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  color: var(--ink);
}
.doc-h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 32px 0 8px;
  padding-top: 24px;
  border-top: 1px solid var(--line-2);
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  scroll-margin-top: 20px;
}
.doc-lead {
  font-size: 13.5px;
  color: var(--ink-3);
  margin: 0 0 22px;
  line-height: 1.65;
}
.doc-p {
  font-size: 13.5px;
  color: var(--ink-3);
  margin: 0 0 14px;
  line-height: 1.65;
}

/* Code block */
.doc-code {
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin: 10px 0 18px;
  background: #16181C;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
}
.doc-code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 11px;
  font-family: var(--font-mono);
  color: rgba(252,251,248,0.32);
  background: rgba(255,255,255,0.02);
}
.doc-code-head .btn {
  color: rgba(252,251,248,0.4);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 3px 8px;
  font-size: 11px;
  gap: 4px;
  border-radius: 5px;
}
.doc-code-head .btn:hover {
  color: rgba(252,251,248,0.75);
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.18);
}
.doc-code-body {
  margin: 0;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(252,251,248,0.82);
  overflow-x: auto;
  white-space: pre;
  tab-size: 4;
}

/* Inline code */
.doc-inline-code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--ink-2);
}

/* Method signature bar */
.doc-method-bar {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 9px 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  color: var(--ink);
  margin-bottom: 12px;
  overflow-x: auto;
  white-space: nowrap;
}
.doc-method-bar .mn { color: var(--accent-ink); font-weight: 500; }
.doc-method-bar .ret { color: var(--ink-4); }

/* Returns pill */
.doc-returns {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 16px;
}
.doc-returns-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-4);
  font-weight: 600;
}
.doc-returns-type {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 20px;
  background: var(--success-soft);
  color: var(--success);
  border: 1px solid oklch(0.85 0.06 150);
}

/* Param table */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  margin: 10px 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.doc-table th {
  text-align: left;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-4);
  font-weight: 600;
  padding: 7px 12px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--line);
}
.doc-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--line-2);
  vertical-align: top;
  line-height: 1.5;
}
.doc-table tr:last-child td { border-bottom: none; }
.doc-table td:first-child { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-2); font-weight: 500; }
.doc-table .td-type { font-family: var(--font-mono); font-size: 11px; color: var(--accent-ink); }
.doc-table .td-default { font-family: var(--font-mono); font-size: 11px; color: var(--ink-4); }
.doc-table .td-desc { color: var(--ink-3); }

/* Exception tree */
.exc-tree {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 20px;
  color: var(--ink-3);
  margin: 12px 0;
}
.exc-tree .exc-base { color: var(--accent-ink); font-weight: 600; }
.exc-tree .exc-http { color: var(--ink-4); font-size: 11px; margin-left: 12px; }
.exc-tree .exc-name { color: var(--ink-2); }

/* Note / tip */
.doc-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 16px;
  border-radius: var(--r-md);
  font-size: 13px;
  line-height: 1.55;
  margin: 12px 0;
  background: var(--accent-soft);
  color: var(--accent-ink);
  border: 1px solid oklch(0.88 0.06 280);
}
.doc-note.warn {
  background: var(--warning-soft);
  color: var(--warning);
  border-color: oklch(0.85 0.07 80);
}

/* Resource sections */
.doc-res-intro {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
}
.doc-res-path {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-4);
  margin-left: auto;
}

.doc-divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 56px 0 0;
}

/* ─── Responsive layout ───────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail,
  .result,
  .logs-pair,
  .doc-layout {
    grid-template-columns: 1fr;
  }
  .logs-list { border-right: none; border-bottom: 1px solid var(--line); }
  .doc-toc { position: static; top: auto; }
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 8px 10px 6px;
    gap: 8px;
    width: 100%;
    overflow-x: hidden;
  }
  .brand { padding: 2px 4px; }
  .brand-ws { max-width: 140px; }
  .nav-section {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    max-width: 100%;
    padding-bottom: 2px;
    gap: 6px;
  }
  .nav-label { display: none; }
  .nav-item {
    width: auto;
    white-space: nowrap;
    padding: 6px 10px;
    flex-shrink: 0;
  }
  .sidebar-footer {
    margin-top: 0;
    padding-top: 8px;
  }

  .topbar {
    height: auto;
    min-height: 44px;
    padding: 8px 12px;
    gap: 8px;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }
  .topbar-actions {
    width: 100%;
    margin-left: 0;
    justify-content: flex-end;
  }
  .topbar-search {
    width: 100%;
    min-width: 0;
  }

  .page {
    padding: 14px 12px 28px;
    max-width: 100%;
  }
  .page-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 18px;
  }
  .card-head,
  .card-foot {
    flex-wrap: wrap;
  }

  .settings-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .settings-input {
    width: 100%;
    text-align: left;
  }

  /* Keep table-heavy cards from widening the viewport on mobile/tablet */
  .table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
  }
  .table th,
  .table td { white-space: nowrap; }
}

@media (max-width: 640px) {
  .setup-screen { padding: 14px; }
  .setup-card {
    width: 100%;
    padding: 16px 14px;
  }

  .page { padding: 12px 10px 20px; }
  .card-body { padding: 12px; }
  .card-head { padding: 10px 12px; }
  .card-foot { padding: 10px 12px; }
  .metric { padding: 12px; }
  .metric-value { font-size: 24px; }

  .metric-grid { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; }
  .kv > dt, .kv > dd { padding: 8px 0; }
  .tabs { overflow-x: auto; }
  .tab { white-space: nowrap; }

  .table {
    display: block;
    width: 100%;
    overflow-x: auto;
  }
  .table th,
  .table td { white-space: nowrap; }

  .doc-toc-item { white-space: normal; }
  .doc-code-body,
  .doc-method-bar { overflow-x: auto; }

  .modal {
    width: 100%;
    max-width: 100%;
    max-height: 100dvh;
    border-radius: 14px 14px 0 0;
  }
  .modal-overlay {
    align-items: end;
  }
}

/* ─── Dashboard home: main two-column grid ─────────── */
.dash-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 18px;
  min-width: 0;
}
.dash-main-grid > * { min-width: 0; }
@media (max-width: 900px) {
  .dash-main-grid { grid-template-columns: 1fr; }
}

/* ─── Dashboard home: three-column quick-link row ──── */
.dash-cards-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
}
@media (max-width: 1100px) {
  .dash-cards-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .dash-cards-3 { grid-template-columns: 1fr; }
}

/* ─── Sidebar footer: hide on mobile ───────────────── */
@media (max-width: 900px) {
  .sidebar-footer { display: none; }
}

/* ─── Responsive grid utilities (replace inline gridTemplateColumns) ── */

/* Dashboard home: 4-card quick-link row (pages-1.jsx) */
.dash-cards-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 1100px) { .dash-cards-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px)  { .dash-cards-4 { grid-template-columns: 1fr; } }

/* Generic 2-column grid, gap 14 */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 640px) { .grid-2col { grid-template-columns: 1fr; } }

/* Generic 2-column grid, gap 12 */
.grid-2col-sm {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 640px) { .grid-2col-sm { grid-template-columns: 1fr; } }

/* Generic 3-column grid */
.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 900px) { .grid-3col { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-3col { grid-template-columns: 1fr; } }

/* Asymmetric 1.65:1 main+aside */
.grid-main-wide {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
@media (max-width: 1100px) { .grid-main-wide { grid-template-columns: 1fr; } }

/* Asymmetric 1.55:1 main+aside */
.grid-main-aside {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
@media (max-width: 1100px) { .grid-main-aside { grid-template-columns: 1fr; } }

/* Before/after comparison panel */
.grid-before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 640px) {
  .grid-before-after { grid-template-columns: 1fr; }
  .grid-before-after > *:first-child {
    border-right: none !important;
    border-bottom: 1px solid var(--line);
  }
}

/* 4-column impact metrics */
.grid-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 1100px) { .grid-4col { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px)  { .grid-4col { grid-template-columns: 1fr; } }