/* Seenlark app — shell and components
 * Tokens live in app-tokens.css. 4/8px grid. Desktop-first at 1440.
 */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { height: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-ink);
  background: var(--color-paper);
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img, svg { display: block; }
:focus { outline: none; }
:focus-visible {
  outline: var(--app-focus-ring) solid var(--accent);
  outline-offset: 2px;
}
::selection { background: var(--accent-tint); color: var(--color-ink); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ========== APP SHELL ========== */
.app {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
}
.sidebar {
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  height: 100dvh;
  width: var(--app-sidebar-width);
  flex: 0 0 var(--app-sidebar-width);
  background: var(--color-white);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sidebar);
  transition: width var(--duration) var(--ease), flex-basis var(--duration) var(--ease);
  overflow: hidden;
}
.sidebar-head, .sidebar-foot {
  flex: 0 0 auto;
  padding: 12px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-head { padding-top: 14px; }
.sidebar-foot { border-top: 1px solid var(--color-border-07); }
.sidebar-scroll {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px 10px 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-ink);
  text-decoration: none;
  padding: 2px 4px;
  min-width: 0;
  flex: 1;
}
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 22px; height: 22px; flex: 0 0 22px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: -0.02em;
  display: grid; place-items: center;
}
.logo-word {
  font-weight: 550;
  font-size: 14px;
  letter-spacing: -0.015em;
  white-space: nowrap;
}
.collapse-btn {
  width: 24px; height: 24px; flex: 0 0 24px;
  border-radius: 4px;
  color: var(--color-ink-50);
  display: grid; place-items: center;
}
.collapse-btn:hover { background: var(--color-chalk); color: var(--color-ink); }
.ws-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 8px;
  border-radius: 8px;
  text-align: left;
  color: var(--color-ink);
}
.ws-switch:hover { background: var(--color-chalk); }
.ws-avatar, .user-avatar {
  width: 24px; height: 24px; flex: 0 0 24px;
  border-radius: 6px;
  background: var(--accent-tint);
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  display: grid; place-items: center;
  letter-spacing: 0.02em;
}
.ws-meta, .user-meta { min-width: 0; flex: 1; }
.ws-name, .user-name {
  display: block;
  font-size: 13px;
  font-weight: 550;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.25;
}
.ws-sub, .user-sub {
  display: block;
  font-size: 11px;
  color: var(--color-ink-50);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.ws-chevron, .user-chevron { color: var(--color-ink-40); flex: 0 0 auto; }

.nav-section {
  margin-top: 16px;
}
.nav-section:first-child { margin-top: 8px; }
.nav-label {
  font-size: 10px;
  font-weight: 550;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-40);
  padding: 0 8px;
  margin-bottom: 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 32px;
  padding: 0 8px;
  border-radius: 6px;
  color: var(--color-ink-80);
  text-decoration: none;
  font-size: 13px;
  font-weight: 450;
  position: relative;
  white-space: nowrap;
}
.nav-item:hover { background: var(--color-chalk); color: var(--color-ink); text-decoration: none; }
.nav-item.is-active {
  background: var(--color-chalk);
  color: var(--color-ink);
  font-weight: 550;
}
.nav-item svg { flex: 0 0 16px; width: 16px; height: 16px; color: var(--color-ink-50); }
.nav-item.is-active svg { color: var(--color-ink); }
.nav-badge {
  margin-left: auto;
  min-width: 16px;
  height: 16px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  font-family: var(--font-mono);
  display: grid; place-items: center;
}

/* Collapsed */
body.is-collapsed .sidebar,
body.is-collapsed .sidebar { width: var(--app-sidebar-collapsed); flex-basis: var(--app-sidebar-collapsed); }
body.is-collapsed .logo-word,
body.is-collapsed .ws-meta,
body.is-collapsed .ws-chevron,
body.is-collapsed .user-meta,
body.is-collapsed .user-chevron,
body.is-collapsed .nav-label,
body.is-collapsed .nav-item span,
body.is-collapsed .nav-badge { display: none; }
body.is-collapsed .sidebar-head,
body.is-collapsed .sidebar-foot { justify-content: center; padding-left: 8px; padding-right: 8px; }
body.is-collapsed .nav-item { justify-content: center; padding: 0; }
body.is-collapsed .ws-switch, body.is-collapsed .user-btn { justify-content: center; padding: 8px 0; }
body.is-collapsed .collapse-btn { margin: 0 auto; }

/* Main column */
.main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-topbar);
  height: var(--app-topbar-height);
  background: color-mix(in oklab, var(--color-paper) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-07);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 var(--app-content-pad-x);
}
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-ink-50);
  min-width: 0;
  flex: 1;
}
.crumb a { color: var(--color-ink-50); }
.crumb a:hover { color: var(--color-ink); text-decoration: none; }
.crumb-sep { color: var(--color-ink-20); }
.crumb-current { color: var(--color-ink); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.search-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 10px 0 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-white);
  color: var(--color-ink-50);
  min-width: 200px;
  font-size: 12px;
}
.search-btn:hover { border-color: var(--color-border-15); color: var(--color-ink-70); }
.search-btn kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-ink-40);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 1px 5px;
  background: var(--color-paper);
}
.icon-btn {
  width: 32px; height: 32px;
  border-radius: 6px;
  display: grid; place-items: center;
  color: var(--color-ink-60);
  position: relative;
}
.icon-btn:hover { background: var(--color-chalk); color: var(--color-ink); }
.icon-btn .dot {
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--accent);
  border: 1.5px solid var(--color-paper);
  border-radius: 99px;
}
.menu-btn { display: none; }

.content {
  flex: 1 1 auto;
  padding: var(--app-content-pad-y) var(--app-content-pad-x) 64px;
  max-width: calc(var(--app-content-max) + var(--app-content-pad-x) * 2);
  width: 100%;
}

/* ========== PAGE HEADER ========== */
.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}
.page-head-text { min-width: 0; }
.page-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-50);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}
.page-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: var(--app-title-size);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-ink);
}
.page-sub {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--color-ink-50);
  max-width: 54ch;
  line-height: 1.5;
}
.page-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; padding-top: 8px; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: var(--app-control-height);
  padding: 0 12px;
  border-radius: var(--radius-button);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease);
}
.btn:hover { text-decoration: none; }
.btn svg { width: 14px; height: 14px; }
.btn-primary {
  background: var(--button-primary-background);
  color: var(--button-primary-foreground);
}
.btn-primary:hover { background: var(--button-primary-hover-background); color: #fff; }
.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn-secondary:hover { opacity: 0.75; }
.btn-ghost {
  background: transparent;
  color: var(--color-ink-80);
  border-color: var(--color-border);
  background: var(--color-white);
}
.btn-ghost:hover { border-color: var(--color-border-15); background: var(--color-chalk); }
.btn-danger { background: var(--status-danger); color: #fff; }
.btn-danger:hover { filter: brightness(0.92); }
.btn[disabled], .btn.is-disabled { opacity: 0.4; pointer-events: none; }

/* ========== SEGMENTED / TABS / CHIPS ========== */
.seg {
  display: inline-flex;
  align-items: center;
  padding: 2px;
  background: var(--color-chalk);
  border-radius: 6px;
  gap: 2px;
}
.seg button, .seg a {
  height: 28px;
  padding: 0 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-ink-60);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.seg button:hover, .seg a:hover { color: var(--color-ink); text-decoration: none; }
.seg button.is-active, .seg a.is-active {
  background: var(--color-white);
  color: var(--color-ink);
  box-shadow: 0 1px 2px oklab(0 0 0 / 0.06);
}
.tabs {
  display: flex;
  align-items: flex-end;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}
.tabs a, .tabs button {
  height: 36px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-50);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tabs a:hover, .tabs button:hover { color: var(--color-ink); text-decoration: none; }
.tabs a.is-active, .tabs button.is-active {
  color: var(--color-ink);
  border-bottom-color: var(--color-ink);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 8px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 550;
  letter-spacing: 0.02em;
  background: var(--color-chalk);
  color: var(--color-ink-70);
  border: 1px solid transparent;
}
.chip-success { background: var(--status-success-bg); color: var(--status-success); }
.chip-warning { background: var(--status-warning-bg); color: var(--status-warning); }
.chip-danger { background: var(--status-danger-bg); color: var(--status-danger); }
.chip-info { background: var(--status-info-bg); color: var(--accent); }
.chip-neutral { background: var(--status-neutral-bg); color: var(--status-neutral); }
.chip-engine { font-family: var(--font-mono); font-weight: 400; letter-spacing: 0; font-size: 11px; }
.chip-dot { width: 6px; height: 6px; border-radius: 99px; background: currentColor; }
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.filter-bar .spacer { flex: 1; }
.field, .select, .input {
  height: var(--app-control-height);
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-white);
  font-size: 13px;
  color: var(--color-ink);
  min-width: 0;
}
.select { padding-right: 28px; appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%237b7b78' stroke-width='1.5' viewBox='0 0 16 16'><path d='M4 6l4 4 4-4'/></svg>");
  background-repeat: no-repeat;
  background-position: right 8px center;
}
.input:focus, .select:focus, .field:focus, textarea.field:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
textarea.field { height: auto; padding: 8px 10px; resize: vertical; line-height: 1.5; }
.input-wrap {
  display: flex; align-items: center; gap: 8px;
  height: var(--app-control-height);
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-white);
  min-width: 200px;
  color: var(--color-ink-40);
}
.input-wrap input { border: 0; background: transparent; flex: 1; min-width: 0; height: 100%; padding: 0; font-size: 13px; }
.input-wrap input:focus { outline: none; box-shadow: none; }
.label {
  display: block;
  font-size: 11px;
  font-weight: 550;
  color: var(--color-ink-50);
  margin-bottom: 6px;
}
.label-row { font-size: 11px; color: var(--color-ink-50); font-weight: 500; }
.check {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-ink-80);
}
.check input { accent-color: var(--accent); width: 14px; height: 14px; }

/* ========== KPI / CARDS ========== */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.kpi-row-5 { grid-template-columns: repeat(5, 1fr); }
.kpi, .card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}
.kpi { padding: 16px 20px 18px; min-width: 0; }
.kpi-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-ink-50);
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.kpi-value {
  font-family: var(--font-mono);
  font-size: var(--app-kpi-number);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}
.kpi-value.sm { font-size: var(--app-kpi-number-sm); }
.kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.kpi-delta.up { color: var(--delta-up); }
.kpi-delta.down { color: var(--delta-down); }
.kpi-delta.flat { color: var(--delta-flat); }
.kpi-hint { font-size: 11px; color: var(--color-ink-40); margin-top: 4px; }
.status-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  padding: 16px 0 20px;
  margin-bottom: 8px;
}
.status-row .item { padding: 0 20px; border-left: 1px solid var(--color-border-07); }
.status-row .item:first-child { padding-left: 0; border-left: 0; }
.status-row .k { font-size: 11px; color: var(--color-ink-50); font-weight: 500; }
.status-row .v { font-family: var(--font-mono); font-size: 28px; font-weight: 400; letter-spacing: -0.03em; margin-top: 6px; font-variant-numeric: tabular-nums; line-height: 1.15; }

.card { padding: 20px 24px; }
.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 15px;
  font-weight: 550;
  letter-spacing: -0.01em;
  margin: 0;
}
.card-desc { font-size: 12px; color: var(--color-ink-50); margin: 4px 0 0; max-width: 62ch; }
.card-head-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-1-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.grid-2-1 { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }

/* ========== CHARTS ========== */
.chart {
  position: relative;
  width: 100%;
  height: 280px;
  overflow: visible;
  padding-left: 4px;
}
.chart.sm { height: 180px; }
.chart.lg { height: 340px; }
.chart.md { height: 220px; }
.chart svg { width: 100%; height: 100%; overflow: visible; display: block; }
.chart-grid line { stroke: var(--chart-grid); stroke-dasharray: 3 4; stroke-width: 1; }
.chart-axis { font-family: var(--font-mono); font-size: 10px; fill: var(--chart-axis); }
.chart-line { fill: none; stroke-width: var(--chart-line-width); stroke-linecap: round; stroke-linejoin: round; }
.chart-area { stroke: none; }
.chart-rule { stroke: var(--color-ink-20); stroke-width: 1; pointer-events: none; }
.chart-dot { stroke: #fff; stroke-width: 2; }
.chart-tooltip {
  position: absolute;
  z-index: var(--z-tooltip);
  pointer-events: none;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--chart-tooltip-radius);
  box-shadow: var(--shadow-tooltip);
  padding: 8px 10px;
  min-width: 140px;
  font-size: 12px;
  color: var(--color-ink);
  opacity: 0;
  transform: translate(-50%, calc(-100% - 12px));
  transition: opacity var(--duration-fast) var(--ease);
  white-space: nowrap;
}
.chart-tooltip.is-on { opacity: 1; }
.chart-tooltip .tt-date {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-ink-50);
  margin-bottom: 6px;
}
.chart-tooltip .tt-row {
  display: flex; align-items: center; gap: 8px;
  justify-content: space-between;
  margin-top: 3px;
}
.chart-tooltip .tt-name { display: flex; align-items: center; gap: 6px; color: var(--color-ink-70); }
.chart-tooltip .tt-swatch { width: 6px; height: 6px; border-radius: 99px; }
.chart-tooltip .tt-val { font-family: var(--font-mono); font-variant-numeric: tabular-nums; margin-left: 16px; }
.legend {
  display: flex; flex-wrap: wrap; gap: 12px 16px;
  font-size: 12px; color: var(--color-ink-70);
  margin-top: 12px;
}
.legend-item { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.legend-item.is-off { opacity: 0.35; }
.legend-swatch { width: 8px; height: 8px; border-radius: 99px; }
.hbar { display: flex; flex-direction: column; gap: 10px; }
.hbar-row { display: grid; grid-template-columns: 120px 1fr 48px; align-items: center; gap: 12px; font-size: 13px; }
.hbar-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; align-items: center; gap: 6px; }
.hbar-track { height: 8px; background: var(--color-chalk); border-radius: 99px; overflow: hidden; }
.hbar-fill { height: 100%; border-radius: 99px; background: var(--accent); }
.hbar-val { font-family: var(--font-mono); font-size: 12px; text-align: right; color: var(--color-ink-70); font-variant-numeric: tabular-nums; }
.spark { width: 100%; height: 36px; }

/* ========== TABLES ========== */
.table-wrap { overflow-x: auto; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data th {
  text-align: left;
  font-size: 11px;
  font-weight: 550;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-ink-40);
  height: var(--app-table-header-height);
  padding: 0 12px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
table.data th.num, table.data td.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 12px; }
table.data th.sortable:hover { color: var(--color-ink); }
table.data td {
  height: var(--app-row-height);
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border-07);
  vertical-align: middle;
}
table.data tbody tr { cursor: pointer; }
table.data tbody tr:hover td { background: var(--color-chalk); }
table.data tbody tr.is-selected td { background: var(--accent-soft); }
.cell-primary { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.cell-title { font-weight: 500; color: var(--color-ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cell-sub { font-size: 11px; color: var(--color-ink-50); }
.cell-2line .cell-title { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

/* ========== LISTS / ACTIVITY ========== */
.list { display: flex; flex-direction: column; }
.list-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border-07);
  text-decoration: none;
  color: inherit;
}
.list-row:hover { text-decoration: none; }
.list-row:hover .list-title { color: var(--accent); }
.list-title { font-weight: 500; }
.list-meta { font-size: 12px; color: var(--color-ink-50); margin-top: 2px; display: flex; flex-wrap: wrap; gap: 8px; }
.list-right { margin-left: auto; display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ========== EMPTY / SKELETON / PROGRESS ========== */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 64px 24px;
  gap: 8px;
}
.empty-mark {
  width: 48px; height: 48px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  display: grid; place-items: center;
  color: var(--color-ink-40);
  margin-bottom: 8px;
  background: var(--color-white);
}
.empty h2, .empty h3 { margin: 0; font-size: 16px; font-weight: 550; }
.empty p { margin: 0; color: var(--color-ink-50); font-size: 13px; max-width: 36ch; }
.empty .btn { margin-top: 12px; }
.skeleton {
  background: linear-gradient(90deg, var(--color-chalk) 0%, var(--color-cream) 50%, var(--color-chalk) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.2s ease-in-out infinite;
  border-radius: 6px;
  color: transparent !important;
}
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }
.sk-line { height: 12px; margin: 8px 0; }
.sk-title { height: 28px; width: 40%; margin-bottom: 16px; }
.sk-kpi { height: 88px; }
.sk-chart { height: 280px; }
.progress {
  height: 6px; background: var(--color-chalk); border-radius: 99px; overflow: hidden;
}
.progress > span { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.progress.is-indeterminate > span {
  width: 40%;
  animation: indet 1.2s var(--ease) infinite;
}
@keyframes indet { 0% { transform: translateX(-100%); } 100% { transform: translateX(350%); } }

/* ========== DIALOG / DRAWER / MENUS ========== */
.overlay {
  position: fixed; inset: 0;
  background: var(--color-overlay);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease);
}
.overlay.is-open { opacity: 1; pointer-events: auto; }
.dialog {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -48%) scale(0.98);
  opacity: 0;
  pointer-events: none;
  z-index: var(--z-dialog);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-dialog);
  box-shadow: var(--shadow-float);
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 64px);
  overflow: auto;
  padding: 24px 28px 28px;
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.dialog.is-open, .dialog.preopen {
  opacity: 1; pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}
.dialog.wide { width: min(720px, calc(100vw - 32px)); }
.dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.dialog-title { font-size: 18px; font-weight: 550; letter-spacing: -0.02em; margin: 0; }
.dialog-sub { font-size: 13px; color: var(--color-ink-50); margin: 4px 0 0; }
.dialog-close {
  width: 28px; height: 28px; border-radius: 6px;
  display: grid; place-items: center; color: var(--color-ink-50);
}
.dialog-close:hover { background: var(--color-chalk); color: var(--color-ink); }
.dialog-foot {
  display: flex; justify-content: flex-end; gap: 8px;
  margin-top: 24px; padding-top: 16px;
  border-top: 1px solid var(--color-border-07);
}
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; }
.kv .k { font-size: 11px; color: var(--color-ink-50); font-weight: 500; }
.kv .v { font-size: 13px; margin-top: 2px; word-break: break-word; }

.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(480px, 92vw);
  background: var(--color-white);
  border-left: 1px solid var(--color-border);
  z-index: var(--z-dialog);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease);
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-float);
}
.drawer.is-open, .drawer.preopen { transform: translateX(0); }
.drawer-head {
  flex: 0 0 auto;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--color-border-07);
  display: flex; align-items: flex-start; gap: 12px;
}
.drawer-head h2 { font-size: 16px; font-weight: 550; margin: 0; letter-spacing: -0.015em; flex: 1; }
.drawer-body { flex: 1; overflow: auto; padding: 20px 24px 40px; }
.drawer-url { font-family: var(--font-mono); font-size: 11px; color: var(--color-ink-50); word-break: break-all; margin-top: 6px; }

.popover {
  position: absolute;
  z-index: var(--z-dropdown);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: var(--shadow-float);
  min-width: 240px;
  padding: 6px;
  display: none;
}
.popover.is-open, .popover.preopen { display: block; }
.popover-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--color-ink);
  text-decoration: none;
  width: 100%;
  text-align: left;
}
.popover-item:hover { background: var(--color-chalk); text-decoration: none; }
.popover-item.is-active { background: var(--color-chalk); font-weight: 550; }
.popover-sep { height: 1px; background: var(--color-border-07); margin: 6px 4px; }
.popover-label { font-size: 10px; font-weight: 550; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-ink-40); padding: 8px 10px 4px; }

/* Command palette */
.palette {
  position: fixed;
  top: 18vh; left: 50%;
  transform: translateX(-50%);
  width: min(640px, calc(100vw - 32px));
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-float);
  z-index: var(--z-dialog);
  display: none;
  overflow: hidden;
}
.palette.is-open, .palette.preopen { display: block; }
.palette-input {
  width: 100%;
  height: 52px;
  border: 0;
  border-bottom: 1px solid var(--color-border-07);
  padding: 0 18px;
  font-size: 15px;
  background: transparent;
}
.palette-input:focus { outline: none; box-shadow: none; }
.palette-list { max-height: 360px; overflow: auto; padding: 6px; }
.palette-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: 6px;
  font-size: 13px;
}
.palette-item.is-active, .palette-item:hover { background: var(--color-chalk); }
.palette-item .hint { margin-left: auto; font-family: var(--font-mono); font-size: 11px; color: var(--color-ink-40); }

/* Shortcuts dialog body */
.shortcuts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 32px; }
.shortcut { display: flex; align-items: center; justify-content: space-between; padding: 6px 0; font-size: 13px; }
.shortcut kbd, kbd.key {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-paper);
  color: var(--color-ink-70);
}

/* ========== FINDINGS / INSIGHTS ========== */
.finding {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-07);
}
.finding:last-child { border-bottom: 0; }
.finding-head { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.finding-num {
  width: 20px; height: 20px; border-radius: 99px;
  background: var(--color-chalk);
  font-size: 11px; font-weight: 600;
  display: grid; place-items: center;
  flex: 0 0 20px; margin-top: 1px;
}
.finding-title { font-weight: 550; font-size: 14px; flex: 1; letter-spacing: -0.01em; }
.finding-cols { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.finding-cols h4 {
  font-size: 10px; font-weight: 550; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-ink-40); margin: 0 0 6px;
}
.finding-cols p { margin: 0; font-size: 13px; color: var(--color-ink-80); line-height: 1.5; }
.insight-summary {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 20px 24px;
}
.insight-summary ul { margin: 8px 0 0; padding-left: 18px; }
.insight-summary li { margin: 8px 0; }

/* Prompt quote */
.prompt-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 14px 18px;
}
.prompt-box .k { font-size: 10px; font-weight: 550; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-ink-40); margin-bottom: 6px; }
.prompt-box blockquote {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 20px;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

/* Answer viewer */
.answer {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-ink-80);
}
.answer .mention {
  background: var(--accent-tint);
  color: var(--color-ink);
  border-radius: 3px;
  padding: 0 3px;
  font-weight: 500;
}
.answer .cite {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  vertical-align: super;
  margin-left: 1px;
}

/* Engine cards */
.engine-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.engine-card { padding: 16px 18px; }
.engine-card .eng-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.engine-card .eng-name { font-weight: 550; }
.engine-card .eng-body { font-size: 13px; color: var(--color-ink-80); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }

/* Compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col h3 { margin: 0 0 12px; font-size: 14px; font-weight: 550; }

/* Chat */
.chat-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  min-height: calc(100vh - var(--app-topbar-height) - 64px);
  margin: -8px calc(-1 * var(--app-content-pad-x)) -64px;
  border-top: 1px solid var(--color-border-07);
}
.chat-side {
  border-right: 1px solid var(--color-border);
  background: var(--color-white);
  padding: 16px 12px;
}
.chat-main { display: flex; flex-direction: column; }
.chat-msgs { flex: 1; padding: 32px 48px; max-width: 800px; width: 100%; margin: 0 auto; }
.msg { display: flex; gap: 12px; margin-bottom: 20px; }
.msg-body { flex: 1; }
.msg-who { font-size: 11px; font-weight: 550; color: var(--color-ink-50); margin-bottom: 4px; }
.msg-text { font-size: 14px; line-height: 1.6; }
.msg.assistant .msg-text { color: var(--color-ink-80); }
.chat-composer {
  padding: 16px 48px 32px;
  max-width: 800px; width: 100%; margin: 0 auto;
}
.composer {
  display: flex; align-items: flex-end; gap: 8px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-white);
  padding: 10px 12px;
}
.composer textarea {
  flex: 1; border: 0; resize: none; min-height: 24px; max-height: 160px;
  font-size: 14px; background: transparent;
}
.composer textarea:focus { outline: none; box-shadow: none; }
.suggest { display: flex; flex-direction: column; gap: 8px; max-width: 560px; margin: 24px auto; }
.suggest button {
  text-align: left;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-white);
  font-size: 13px;
}
.suggest button:hover { border-color: var(--color-ink-20); background: var(--color-chalk); }

/* Settings */
.settings-layout { display: grid; grid-template-columns: 200px 1fr; gap: 40px; }
.settings-nav a {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--color-ink-70);
  text-decoration: none;
  font-size: 13px;
}
.settings-nav a:hover { background: var(--color-chalk); text-decoration: none; color: var(--color-ink); }
.settings-nav a.is-active { background: var(--color-chalk); color: var(--color-ink); font-weight: 550; }
.form-row { margin-bottom: 20px; max-width: 480px; }
.form-row .field, .form-row .input { width: 100%; }
.form-hint { font-size: 12px; color: var(--color-ink-50); margin-top: 6px; }
.toggle {
  width: 36px; height: 20px; border-radius: 99px;
  background: var(--color-ink-20);
  position: relative;
  transition: background var(--duration) var(--ease);
  flex: 0 0 36px;
}
.toggle.is-on { background: var(--accent); }
.toggle::after {
  content: "";
  position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 99px;
  background: #fff;
  transition: transform var(--duration) var(--ease);
  box-shadow: 0 1px 2px oklab(0 0 0 / 0.15);
}
.toggle.is-on::after { transform: translateX(16px); }
.pref { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--color-border-07); }
.pref .t { font-weight: 500; }
.pref .d { font-size: 12px; color: var(--color-ink-50); margin-top: 2px; }

/* Alert / callout */
.callout {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--status-warning-bg);
  color: var(--status-warning);
  font-size: 13px;
  border: 1px solid var(--status-warning-border);
}
.callout.info { background: var(--status-info-bg); color: var(--accent); border-color: transparent; }
.callout.danger { background: var(--status-danger-bg); color: var(--status-danger); border-color: var(--status-danger-border); }
.callout.success { background: var(--status-success-bg); color: var(--status-success); border-color: var(--status-success-border); }

/* Pagination */
.pager { display: flex; align-items: center; gap: 8px; justify-content: flex-end; margin-top: 16px; font-size: 12px; color: var(--color-ink-50); }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%);
  background: var(--color-ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  z-index: var(--z-toast);
  box-shadow: var(--shadow-float);
}

/* Example-data mark */
.example-note {
  font-size: 11px;
  color: var(--color-ink-30);
  text-align: center;
  padding: 24px 16px 0;
  font-family: var(--font-mono);
}

/* Running engines */
.run-list { display: flex; flex-direction: column; gap: 12px; }
.run-row { display: grid; grid-template-columns: 140px 1fr 80px; align-items: center; gap: 12px; }
.run-row .st { font-family: var(--font-mono); font-size: 11px; text-align: right; }

/* Utility */
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--color-ink-50); }
.ink { color: var(--color-ink); }
.right { text-align: right; }
.flex { display: flex; align-items: center; gap: 8px; }
.flex-1 { flex: 1; min-width: 0; }
.between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.wrap { flex-wrap: wrap; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.you-badge {
  font-size: 10px; font-weight: 550; letter-spacing: 0.04em; text-transform: uppercase;
  background: var(--accent-tint); color: var(--accent);
  border-radius: 3px; padding: 1px 5px; margin-left: 6px;
}

/* Mobile menu overlay sidebar */
@media (max-width: 1024px) {
  .kpi-row, .kpi-row-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-1-2, .grid-2-1, .grid-3, .engine-grid, .compare, .finding-cols, .settings-layout, .chat-shell, .shortcuts-grid, .status-row {
    grid-template-columns: 1fr;
  }
  .status-row .item { border-left: 0; padding: 8px 0; border-top: 1px solid var(--color-border-07); }
  .hbar-row { grid-template-columns: 90px 1fr 44px; }
  --app-content-pad-x: 24px;
  .search-btn { min-width: 0; width: 32px; padding: 0; justify-content: center; }
  .search-btn span, .search-btn kbd { display: none; }
  .chat-shell { margin: 0; min-height: auto; }
  .chat-side { display: none; }
  .chat-msgs, .chat-composer { padding-left: 16px; padding-right: 16px; }
}
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    transform: translateX(-100%);
    transition: transform var(--duration) var(--ease);
    box-shadow: var(--shadow-float);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.is-collapsed .sidebar { width: var(--app-sidebar-width); flex-basis: var(--app-sidebar-width); }
  body.is-collapsed .logo-word,
  body.is-collapsed .ws-meta,
  body.is-collapsed .nav-label,
  body.is-collapsed .nav-item span { display: initial; }
  .menu-btn { display: grid; }
  .page-head { flex-direction: column; gap: 12px; }
  .page-title { font-size: 28px; }
  .kpi-row, .kpi-row-5 { grid-template-columns: 1fr 1fr; }
  .kpi-value { font-size: 28px; }
  .content { padding-bottom: 48px; }
  .topbar { padding-left: 16px; padding-right: 16px; }
  .content { padding-left: 16px; padding-right: 16px; }
  .dialog { width: calc(100vw - 24px); padding: 20px; }
}
@media (max-width: 480px) {
  .kpi-row, .kpi-row-5 { grid-template-columns: 1fr; }
  .tabs { overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .skeleton { animation: none; background: var(--color-chalk); }
  .progress.is-indeterminate > span { animation: none; width: 50%; }
}