/* ib.superstem — design tokens */
:root {
  --bg: #FAF8F2;           /* warm ivory */
  --bg-elev: #FFFFFF;
  --ink: #1C1C1C;
  --ink-soft: #595550;
  --ink-muted: #8B847C;
  --line: #E5E0D5;
  --accent: #1F4F4A;       /* deep teal */
  --accent-soft: #2D6B65;
  --amber: #B8732A;
  --pass: #2D7A3C;
  --warn: #B8732A;
  --fail: #B33A2E;
  --code-bg: #F0EBE0;
  --shadow-sm: 0 1px 2px rgba(28, 28, 28, 0.04);
  --shadow-md: 0 4px 16px rgba(28, 28, 28, 0.06);
  --radius: 6px;
  --serif: "Crimson Pro", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === Header === */
.site-header {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}
.brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  color: var(--accent);
}
.nav {
  display: flex;
  gap: 4px;
  flex: 1;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: background 0.15s;
}
.nav-link:hover { background: var(--bg); color: var(--ink); }
.nav-link.active { color: var(--accent); background: rgba(31, 79, 74, 0.07); }

.status-chip {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg);
  border-radius: 100px;
  flex-shrink: 0;
}

/* === Mobile header (BUG-004 fix) === */
@media (max-width: 720px) {
  .site-header .container {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
    gap: 12px;
  }
  .brand { flex: 1; font-size: 19px; }
  .status-chip { font-size: 11px; }
  .nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
    margin: 0 -16px;
    padding: 0 16px 4px;
    gap: 2px;
    white-space: nowrap;
  }
  .nav-link {
    padding: 6px 10px;
    font-size: 13px;
    flex-shrink: 0;
  }
  .container { padding: 0 16px; }
  .main-content { padding: 24px 16px 40px; }
}
.dot { width: 6px; height: 6px; border-radius: 100%; display: inline-block; }
.dot.live { background: var(--pass); box-shadow: 0 0 0 3px rgba(45, 122, 60, 0.15); }
.dot.dry { background: var(--ink-muted); }

/* === Footer === */
.site-footer {
  margin-top: 80px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-muted);
}
.muted { color: var(--ink-muted); }

/* === Main content === */
.main-content {
  padding: 48px 24px 64px;
}

/* === Typography === */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--ink);
}
h1 { font-size: 36px; margin: 0 0 12px; }
h2 { font-size: 26px; margin: 32px 0 12px; }
h3 { font-size: 19px; margin: 24px 0 8px; }
h4 { font-size: 16px; margin: 16px 0 8px; }
.display { font-size: 48px; line-height: 1.1; max-width: 720px; }
@media (max-width: 640px) { h1 { font-size: 28px; } .display { font-size: 34px; } }

/* === Hero === */
.hero { padding: 48px 0 64px; max-width: 800px; }
.lead {
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 16px 0 32px;
  max-width: 70ch;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 16px;
  font-weight: 500;
}

/* === Explainer card === */
.explainer-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px 40px;
  margin: 48px 0;
  max-width: 800px;
}
.explainer-card h2 {
  margin: 0 0 12px;
  color: var(--accent);
}
.explainer-card p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  max-width: 65ch;
  margin: 12px 0;
}
.explainer-card abbr {
  text-decoration: underline dotted;
  text-underline-offset: 3px;
  cursor: help;
  font-weight: 600;
}
.erq-anatomy {
  list-style: none;
  padding: 0;
  margin: 16px 0;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}
.erq-anatomy li {
  margin: 10px 0;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.erq-anatomy li strong {
  color: var(--ink);
  font-weight: 600;
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--sans);
}
.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-soft); border-color: var(--accent-soft); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--bg-elev); border-color: var(--ink-muted); }
.btn-large { padding: 14px 28px; font-size: 16px; }
.btn-small { padding: 6px 12px; font-size: 13px; }

/* === Pillars === */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin: 48px 0;
}
.pillar {
  padding: 20px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.pillar h3 { margin-top: 0; font-size: 17px; color: var(--accent); }
.pillar p { font-size: 14px; color: var(--ink-soft); margin: 6px 0 0; }

/* === How === */
.how { margin: 48px 0; max-width: 800px; }
.steps { padding-left: 24px; }
.steps li { margin: 12px 0; font-size: 15px; color: var(--ink-soft); }
.steps li strong { color: var(--ink); }

/* === Page head === */
.page-head { margin-bottom: 32px; }
.page-head h1 { margin: 0 0 8px; }
.page-head .muted { font-size: 15px; }
.meta-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 12px;
  font-family: var(--mono);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--ink-soft);
}
.chip-success { background: rgba(45, 122, 60, 0.1); border-color: rgba(45, 122, 60, 0.3); color: var(--pass); }
.chip-warn { background: rgba(184, 115, 42, 0.1); border-color: rgba(184, 115, 42, 0.3); color: var(--warn); }
.chip-muted { background: var(--bg-elev); }

/* === Forms === */
.generate-form {
  max-width: 720px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.form-row { margin-bottom: 24px; }
.form-row-half-set { display: flex; gap: 16px; }
.form-half { flex: 1; }
.form-row label, .form-half label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}
.form-row input, .form-row select, .form-half input, .form-half select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: var(--sans);
  color: var(--ink);
}
.form-row input:focus, .form-row select:focus, .form-half input:focus, .form-half select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}
.hint {
  display: block;
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 6px;
}
.hint code { background: var(--code-bg); padding: 1px 6px; border-radius: 3px; font-family: var(--mono); font-size: 11px; }

.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-size: 14px;
}
.alert-error { background: rgba(179, 58, 46, 0.1); border: 1px solid rgba(179, 58, 46, 0.3); color: var(--fail); }

/* Suggestion list */
.aside {
  margin-top: 32px;
  padding: 20px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.aside h4 { margin: 0 0 12px; }
.suggestion-list { list-style: none; padding: 0; margin: 0; }
.suggestion-list li { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.suggestion-list li:last-child { border-bottom: none; }
.suggestion-list a { color: var(--accent); text-decoration: none; font-weight: 500; }

/* === Two-col output === */
.two-col {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
}
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

.erq-rendered {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 40px;
}
.prose {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
}
.prose h1, .prose h2, .prose h3 { font-family: var(--serif); }
.prose h2 { border-bottom: 1px solid var(--line); padding-bottom: 4px; }
.prose h3 { font-size: 17px; color: var(--accent); }
.prose code { font-family: var(--mono); background: var(--code-bg); padding: 1px 6px; border-radius: 3px; font-size: 14px; }
.prose pre { background: var(--code-bg); padding: 16px; border-radius: var(--radius); overflow-x: auto; }
.prose ul, .prose ol { padding-left: 24px; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 32px 0; }
.prose table { border-collapse: collapse; margin: 16px 0; }
.prose th, .prose td { border: 1px solid var(--line); padding: 6px 12px; text-align: left; font-size: 14px; }
.prose th { background: var(--bg); font-family: var(--sans); }

/* === Critic panel === */
.critic-panel {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  font-size: 14px;
}
.critic-panel h3 { margin-top: 0; }
.critic-iter { margin: 12px 0; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; }
.critic-iter summary { font-weight: 600; cursor: pointer; user-select: none; }
.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 100px;
  margin-left: 4px;
}
.badge-pass { background: rgba(45, 122, 60, 0.15); color: var(--pass); }
.badge-fail { background: rgba(179, 58, 46, 0.15); color: var(--fail); }
.badge-warning { background: rgba(184, 115, 42, 0.15); color: var(--warn); }

.verdict-list { list-style: none; padding: 0; margin: 12px 0 0; }
.verdict { padding: 10px 0; border-bottom: 1px solid var(--line); }
.verdict:last-child { border-bottom: none; }
.verdict-head { display: flex; align-items: center; gap: 8px; }
.verdict-head strong { font-family: var(--mono); font-size: 12px; color: var(--ink); }
.verdict-reason { margin: 4px 0 0; color: var(--ink-soft); font-size: 13px; }
.verdict-fix { margin: 4px 0 0; padding: 6px 10px; background: var(--bg); border-left: 2px solid var(--amber); font-size: 12px; font-family: var(--mono); }

.plan-dl { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; font-size: 13px; }
.plan-dl dt { font-weight: 600; color: var(--ink-soft); }
.plan-table { width: 100%; margin-top: 12px; }
.plan-table th, .plan-table td { padding: 4px 8px; font-size: 12px; border: 1px solid var(--line); }
.plan-table th { background: var(--bg); font-weight: 600; }

.actions { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }

/* === Exemplars === */
.filter-form {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.filter-form label { font-size: 13px; font-weight: 600; }
.filter-form input { padding: 6px 10px; font-size: 13px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); min-width: 240px; }

.exemplar-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 16px;
}
.exemplar-head h3 { margin: 0 0 6px; font-size: 17px; }
.exemplar-topics { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0; }
.exemplar-head small { display: block; font-family: var(--mono); font-size: 11px; margin-top: 4px; word-break: break-all; }
.exemplar-stem { font-family: var(--serif); font-size: 15px; color: var(--ink-soft); margin: 12px 0; }
.parts-list { padding-left: 16px; font-size: 13px; color: var(--ink-soft); }
.parts-list li { margin: 6px 0; }
.parts-list strong { font-family: var(--mono); color: var(--ink); }

/* === Papers table === */
.level-toggle { display: flex; gap: 8px; margin: 16px 0; }
.papers-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.papers-table th, .papers-table td { padding: 8px 12px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--line); }
.papers-table th { background: var(--bg); font-family: var(--sans); font-weight: 600; }
.papers-table .session { font-family: var(--mono); font-size: 12px; color: var(--ink-muted); white-space: nowrap; }
.papers-table .size { font-family: var(--mono); font-size: 12px; color: var(--ink-muted); text-align: right; white-space: nowrap; }
.papers-table a { color: var(--accent); text-decoration: none; }
.papers-table a:hover { text-decoration: underline; }
.papers-table tr:last-child td { border-bottom: none; }

/* === Lead small (form intro) === */
.lead-small {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 64ch;
  margin: 8px 0 24px;
}
.lead-small abbr {
  text-decoration: underline dotted;
  text-underline-offset: 3px;
  cursor: help;
  font-weight: 600;
  color: var(--accent);
}

/* === Progress modal === */
.modal {
  position: fixed; inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal.open { display: flex; }
.modal-overlay {
  position: absolute; inset: 0;
  background: rgba(28, 28, 28, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal-card {
  position: relative;
  background: var(--bg-elev);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(28, 28, 28, 0.25);
  width: 100%;
  max-width: 560px;
  padding: 32px;
  animation: modalIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.modal-title {
  display: flex; align-items: center; gap: 10px;
}
.modal-title h2 {
  margin: 0;
  font-size: 20px;
  color: var(--ink);
}
.modal-title .dot.live {
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(45, 122, 60, 0.5); }
  50%      { box-shadow: 0 0 0 6px rgba(45, 122, 60, 0); }
}
.modal-meta {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.meta-pill {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 10px;
  background: var(--bg);
  border-radius: 100px;
  color: var(--ink-soft);
}
.meta-label { color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.05em; font-size: 10px; }
.meta-val { color: var(--ink); font-weight: 500; }

.modal-stage {
  margin: 12px 0 20px;
  min-height: 60px;
}
.current-stage-label {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin: 0;
}
.witty-line {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  color: var(--ink);
  margin: 4px 0 0;
  animation: fadeIn 0.4s ease;
}
@keyframes fadeIn { from { opacity: 0.3; } to { opacity: 1; } }

.stage-list {
  list-style: none; padding: 0; margin: 0 0 16px;
  display: flex; flex-direction: column; gap: 4px;
}
.stage-item {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--ink-muted);
  transition: all 0.2s;
}
.stage-item.active {
  background: rgba(31, 79, 74, 0.08);
  color: var(--accent);
  font-weight: 600;
}
.stage-item.done {
  color: var(--pass);
}
.stage-bullet {
  display: inline-flex;
  width: 16px; height: 16px;
  align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 12px;
}
.stage-item.active .stage-bullet {
  animation: spin 1.2s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); opacity: 0.4; }
  50% { opacity: 1; }
  100% { transform: rotate(360deg); opacity: 0.4; }
}
.stage-label { flex: 1; }

.modal-actions {
  display: flex; justify-content: flex-end;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.hidden { display: none !important; }

/* === Pagination + facets === */
.pagination { display: flex; align-items: center; gap: 16px; margin: 32px 0 8px; justify-content: center; }
.year-facet { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0 20px; }
.year-facet .chip { text-decoration: none; cursor: pointer; }
.year-facet .chip:hover { background: var(--bg); }

/* === Exam-paper render polish (output page ERQ rendering) === */
.prose.exam-paper {
  font-size: 17px;
  line-height: 1.7;
  font-feature-settings: "lnum" 1, "tnum" 1;
}
.prose.exam-paper h2:first-of-type {
  font-size: 22px;
  text-align: center;
  border-bottom: 2px solid var(--ink);
  border-top: 2px solid var(--ink);
  padding: 8px 0;
  margin: 0 0 24px;
}
.prose.exam-paper h2:first-of-type + p {
  border-left: 3px solid var(--accent);
  padding: 8px 14px;
  margin: 16px 0 24px;
  background: var(--bg);
}
.prose.exam-paper h3 {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin: 24px 0 6px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
}
.prose.exam-paper hr {
  margin: 32px 0;
  border-top: 2px double var(--ink-soft);
}

/* === Cost-preview chip on Generate === */
.cost-preview {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--bg);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-left: 12px;
  vertical-align: middle;
}
.cost-preview .cost-val { color: var(--ink); font-weight: 600; }

/* === History table === */
.history-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 16px;
}
.history-table th, .history-table td {
  padding: 10px 14px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
}
.history-table th {
  background: var(--bg);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}
.history-table th.num, .history-table td.num { text-align: right; font-family: var(--mono); }
.history-table .when { color: var(--ink-muted); font-size: 13px; }
.history-table .topics { line-height: 1.4; }
.history-table tr:last-child td { border-bottom: none; }
.history-table a { color: var(--accent); text-decoration: none; }
.history-table a:hover { text-decoration: underline; }

/* === Library grid === */
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.library-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  text-decoration: none;
  color: var(--ink);
  transition: all 0.15s ease;
  min-height: 130px;
}
.library-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.lc-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.lc-marks {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}
.lc-marks-unit {
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-muted);
  margin-left: 2px;
}
.lc-level {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
  background: var(--bg);
  padding: 3px 8px;
  border-radius: 100px;
  font-weight: 500;
}
.lc-title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  margin: 0 0 12px;
  flex: 1;
  color: var(--ink);
}
.lc-topic { display: inline; }
.lc-x { color: var(--ink-muted); margin: 0 4px; font-weight: 400; }
.lc-foot {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-muted);
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.lc-cost { color: var(--ink-soft); font-weight: 500; }
.lc-elapsed { color: var(--ink-soft); }
.empty-state {
  text-align: center;
  padding: 64px 24px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
}