/**
 * cc-tracker Component Styles
 * All values reference tokens.css
 */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  color: var(--color-fg);
  font-weight: var(--font-semibold);
  margin: 0;
  line-height: var(--leading-tight);
}

h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }

p { margin: 0; color: var(--color-fg-soft); }

/* =========================================================
 * App shell + header
 * ========================================================= */
.dashboard {
  display: none;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl) var(--spacing-3xl);
}
.dashboard.visible { display: block; }

.app-header {
  background: var(--gradient-header);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-2xl);
  margin: var(--spacing-xl) 0 var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-md);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  font-family: var(--font-mono);
  box-shadow: var(--shadow-sm);
}
.brand-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-fg);
  line-height: 1.1;
}
.brand-sub {
  font-size: var(--text-sm);
  color: var(--color-fg-soft);
  margin-top: 2px;
}

/* =========================================================
 * Control bar — segmented period + user select + toggle
 * ========================================================= */
.control-bar {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}
.control-group {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.control-label {
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--font-semibold);
}

/* Segmented radio group (period selector) */
#period-selector {
  display: inline-flex;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
#period-selector label {
  position: relative;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}
#period-selector input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
#period-selector label:has(input:checked) {
  background: var(--color-panel);
  color: var(--color-fg);
  box-shadow: var(--shadow-xs);
}
#period-selector label:hover { color: var(--color-fg); }

/* Control-bar selects (user + source share the same styling) */
#user-selector,
#source-selector {
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--color-panel);
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2378716c' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding: 8px 32px 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-fg);
  font-family: var(--font-sans);
  cursor: pointer;
  min-width: 220px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
#source-selector { min-width: 160px; }
#user-selector:hover,
#source-selector:hover { border-color: var(--color-border-strong); }
#user-selector:focus,
#source-selector:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-ring);
}

/* Builtin toggle checkbox */
.toggle-check {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
  font-size: var(--text-sm);
  color: var(--color-fg-soft);
}
.toggle-check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 36px;
  height: 20px;
  background: var(--color-border-strong);
  border-radius: var(--radius-pill);
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.toggle-check input[type="checkbox"]::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast);
}
.toggle-check input[type="checkbox"]:checked {
  background: var(--color-primary);
}
.toggle-check input[type="checkbox"]:checked::after {
  transform: translateX(16px);
}

/* =========================================================
 * Metrics grid (tiles)
 * ========================================================= */
#tiles,
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.metric-card,
.tile {
  background: var(--color-panel);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.metric-card::before,
.tile::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
}
.metric-card:nth-child(2)::before { background: linear-gradient(90deg, var(--color-accent-light), var(--color-accent)); }
.metric-card:nth-child(3)::before { background: linear-gradient(90deg, var(--color-violet), #a78bfa); }
.metric-card:nth-child(4)::before { background: linear-gradient(90deg, var(--color-sky), #38bdf8); }
.metric-card:nth-child(5)::before { background: linear-gradient(90deg, var(--color-emerald), #34d399); }
.metric-card:hover,
.tile:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.metric-label,
.tile-label {
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--font-semibold);
}
.metric-value,
.tile-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-fg);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  line-height: 1.05;
}
.tile-secondary {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-top: var(--spacing-sm);
}

/* =========================================================
 * Section cards (the data blocks — tools, skills, mcps, etc.)
 * ========================================================= */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}
@media (min-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr 1fr;
  }
  .content-grid > .full-span {
    grid-column: 1 / -1;
  }
}

.section-card,
.tools-table {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}
.section-card > h2,
.section-card > h3,
.tools-table > h2,
.tools-table > h3 {
  font-size: var(--text-lg);
  color: var(--color-fg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.section-card > h2::before,
.tools-table > h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 16px;
  background: var(--color-primary);
  border-radius: var(--radius-pill);
}

/* Some partials use a nested grid inside a .tools-table (e.g. built-in vs extensions).
 * Give those nested panels a lighter treatment so we don't double-frame. */
.tools-table .tools-table {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: none;
  padding: var(--spacing-lg);
}
.tools-table .tools-table > h2 {
  font-size: var(--text-base);
  color: var(--color-fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--font-semibold);
}
.tools-table .tools-table > h2::before { display: none; }

/* =========================================================
 * Tables
 * ========================================================= */
table,
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--text-sm);
}

table thead th,
.table thead th {
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-muted);
  font-weight: var(--font-semibold);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  white-space: nowrap;
}

table tbody td,
.table tbody td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-fg);
  vertical-align: middle;
}
table tbody tr:last-child td,
.table tbody tr:last-child td {
  border-bottom: none;
}
table tbody tr,
.table tbody tr {
  transition: background var(--transition-fast);
}
table tbody tr:hover,
.table tbody tr:hover {
  background: var(--color-surface);
}

td.numeric,
th.numeric,
table td.numeric {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--color-fg);
  font-weight: var(--font-medium);
}

/* The users table container is a full <table> in the shell so the
 * partial can return <thead>/<tbody> directly. */
table.users-table,
table#users {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
table.users-table thead th,
table#users thead th {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-surface);
}
table.users-table tbody td,
table#users tbody td {
  padding: var(--spacing-md) var(--spacing-lg);
}

/* Clickable rows */
tr[data-user],
tr[data-user-email] {
  cursor: pointer;
}
tr[data-user]:hover,
tr[data-user-email]:hover {
  background: var(--color-primary-tint) !important;
}

/* =========================================================
 * Badges
 * ========================================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  line-height: 1.6;
}
.badge-builtin {
  background: var(--color-surface);
  color: var(--color-muted);
  border-color: var(--color-border);
}
.badge-extension {
  background: var(--color-accent-tint);
  color: var(--color-accent-dark);
}
.badge-primary {
  background: var(--color-primary-tint);
  color: var(--color-primary-dark);
}
.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}
.badge-error {
  background: var(--color-error-bg);
  color: var(--color-error);
}
.badge-count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* =========================================================
 * Buttons
 * ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  box-shadow: var(--shadow-xs);
}
.btn:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { background: var(--color-muted); cursor: not-allowed; opacity: 0.6; }

.btn-secondary {
  background: var(--color-panel);
  color: var(--color-fg);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}
.btn-large {
  padding: 12px 22px;
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

/* =========================================================
 * Bar chart (inline "tool count" bars)
 * ========================================================= */
.bar-container {
  width: 100%;
  min-width: 80px;
  height: 6px;
  background: var(--color-surface);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-pill);
  transition: width var(--transition-base);
}
.tools-table .tools-table .bar-fill {
  background: var(--gradient-accent);
}

/* =========================================================
 * Login
 * ========================================================= */
.login-container {
  max-width: 420px;
  margin: 10vh auto;
  background: var(--color-panel);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  text-align: center;
}
.login-logo {
  display: block;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.login-container h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}
.login-container .login-form,
.login-container .login-form-group { text-align: left; }
.login-form-group { margin-bottom: var(--spacing-md); }
.login-form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-medium);
  color: var(--color-fg-soft);
  font-size: var(--text-sm);
}
.login-form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  background: var(--color-panel);
  color: var(--color-fg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.login-form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-ring);
}
.login-form button[type="submit"] {
  width: 100%;
  margin-top: var(--spacing-sm);
  justify-content: center;
}
.login-error {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-md);
  display: none;
  font-size: var(--text-sm);
}
.login-error.visible { display: block; }

/* =========================================================
 * Error banner
 * ========================================================= */
.error-banner {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}
.error-banner button {
  background: transparent;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  cursor: pointer;
  font-weight: var(--font-semibold);
}
.error-banner button:hover { background: var(--color-error); color: white; }

/* =========================================================
 * Loading indicator
 * ========================================================= */
.loading-indicator {
  background: var(--color-panel);
  border: 1px dashed var(--color-border-strong);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--color-muted);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}
.loading-indicator::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  -webkit-mask: url('/vendor/logo-mark.svg') center / 20px 20px no-repeat;
          mask: url('/vendor/logo-mark.svg') center / 20px 20px no-repeat;
  animation: cc-pulse 1.4s ease-in-out infinite;
}
@keyframes cc-pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.9); }
  50%      { opacity: 1;    transform: scale(1);   }
}

/* =========================================================
 * User detail modal
 * ========================================================= */
#user-detail {
  display: none;
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 0.55);
  backdrop-filter: blur(2px);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}
#user-detail.visible,
#user-detail:not(:empty) {
  display: flex;
}
#user-detail > * {
  background: var(--color-panel);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.close-button {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--text-xl);
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  color: var(--color-fg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.close-button:hover { background: var(--color-border); }

/* =========================================================
 * Source logo glyph in row-name cells
 * ========================================================= */
.src-icon {
  display: inline-block;
  width: 14px;
  height: 14px;
  vertical-align: -2px;
  margin-right: var(--spacing-sm);
  flex-shrink: 0;
  object-fit: contain;
  /* The source PNG is raster; keep it crisp when scaled down */
  image-rendering: -webkit-optimize-contrast;
}
tr.other-row .src-icon { display: none; } /* Other aggregates have no source */

/* =========================================================
 * Collapsible "Other" tail inside data tables
 *   - .other-row  — the summary row; click to toggle
 *   - .other-tail — hidden tail rows; visible when parent table.expanded
 * ========================================================= */
tr.other-row {
  cursor: pointer;
  font-style: italic;
  color: var(--color-muted);
  background: var(--color-surface);
  transition: background var(--transition-fast);
}
tr.other-row:hover { background: var(--color-surface-hover); }
tr.other-row td.other-name {
  position: relative;
  padding-left: calc(var(--spacing-md) + 14px);
}
tr.other-row td.other-name::before {
  content: '▸';
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-xs);
  color: var(--color-primary);
  transition: transform var(--transition-fast);
  font-style: normal;
}
tr.other-row td.other-name small {
  margin-left: var(--spacing-xs);
  font-size: var(--text-xs);
  font-style: normal;
  color: var(--color-muted);
  font-family: var(--font-mono);
}
table.expanded tr.other-row td.other-name::before { transform: translateY(-50%) rotate(90deg); }
tr.other-tail { display: none; }
table.expanded tr.other-tail { display: table-row; }
tr.other-tail td { color: var(--color-fg-soft); background: var(--color-surface); }
tr.other-tail td:first-child {
  padding-left: calc(var(--spacing-md) + 18px);
  position: relative;
}
tr.other-tail td:first-child::before {
  content: '';
  position: absolute;
  left: calc(var(--spacing-md) + 6px);
  top: 0; bottom: 0;
  border-left: 1px dashed var(--color-border-strong);
}
.empty-cell {
  color: var(--color-muted);
  font-style: italic;
  padding: var(--spacing-xl) !important;
  text-align: center;
}

/* =========================================================
 * Version pie chart
 * ========================================================= */
.version-pie-wrap {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  padding: var(--spacing-sm) 0;
}
.version-pie-svg {
  flex-shrink: 0;
}
.version-pie {
  display: block;
  filter: drop-shadow(0 2px 4px rgb(0 0 0 / 0.08));
}
.version-pie path,
.version-pie circle {
  transition: opacity var(--transition-fast);
}
.version-pie:hover path:not(:hover),
.version-pie:hover circle:not(:hover) {
  opacity: 0.55;
}
.version-pie-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  flex: 1;
  min-width: 160px;
}
.version-pie-legend li {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  color: var(--color-fg);
  padding: 2px 0;
}
.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}
.legend-label {
  font-weight: var(--font-medium);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.legend-count {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-xs);
  text-align: right;
  white-space: nowrap;
}
.legend-count small {
  color: var(--color-muted);
  margin-left: 2px;
}

/* =========================================================
 * "Installed but never invoked" (collapsible)
 * ========================================================= */
.never-invoked {
  margin-top: var(--spacing-md);
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
}
.never-invoked > summary {
  list-style: none;
  cursor: pointer;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-warning);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  user-select: none;
}
.never-invoked > summary::-webkit-details-marker { display: none; }
.never-invoked > summary::before {
  content: '▸';
  display: inline-block;
  color: var(--color-warning);
  font-size: var(--text-xs);
  transition: transform var(--transition-fast);
}
.never-invoked[open] > summary::before { transform: rotate(90deg); }
.never-invoked > summary:hover { background: rgb(0 0 0 / 0.04); }
.never-invoked-count {
  margin-left: auto;
  background: var(--color-warning);
  color: white;
  padding: 1px 8px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.never-invoked-hint {
  padding: 0 var(--spacing-md);
  color: var(--color-fg-soft);
  font-size: var(--text-sm);
  margin: var(--spacing-xs) 0 var(--spacing-sm);
}
.never-invoked-list {
  list-style: none;
  padding: 0 var(--spacing-md) var(--spacing-md);
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-xs);
  color: var(--color-fg-soft);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
}
.never-invoked-list li {
  padding: 2px 0;
}

/* =========================================================
 * Last-updated badge
 * ========================================================= */
.last-updated {
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-top: var(--spacing-sm);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* =========================================================
 * Distributions grid
 * ========================================================= */
.distributions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
}

/* =========================================================
 * Utility + empty state
 * ========================================================= */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-muted);
}
.empty-state-message { font-size: var(--text-base); margin-bottom: var(--spacing-xs); }
.empty-state-hint { font-size: var(--text-sm); }

/* Responsive tweaks */
@media (max-width: 640px) {
  .dashboard { padding: 0 var(--spacing-md) var(--spacing-2xl); }
  .app-header { padding: var(--spacing-lg); }
  .control-bar { flex-direction: column; align-items: stretch; gap: var(--spacing-md); }
  #user-selector,
  #source-selector { min-width: 0; width: 100%; }
  .metric-value, .tile-value { font-size: var(--text-2xl); }
}