/* ---------- typefaces (self-hosted) ---------- */
@font-face {
  font-family: 'Fjalla One';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/fjalla-one.woff2') format('woff2');
}
@font-face {
  font-family: 'Overpass';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/static/fonts/overpass-var.woff2') format('woff2');
}
@font-face {
  font-family: 'Overpass';
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
  src: url('/static/fonts/overpass-italic-var.woff2') format('woff2');
}

:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-inset: #0b1220;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --accent-contrast: #ffffff;
  --green: #34d399;
  --red: #f87171;
  --amber: #f59e0b;
  --violet: #a78bfa;
  --sel-bg: rgba(56, 189, 248, 0.08);
  --accent-soft: rgba(56, 189, 248, 0.1);
  --green-soft: rgba(52, 211, 153, 0.1);
  --red-soft: rgba(248, 113, 113, 0.1);
  --err-soft: rgba(248, 113, 113, 0.12);
  --row-ok: rgba(52, 211, 153, 0.05);
  --row-bad: rgba(248, 113, 113, 0.06);
  --site-box: rgba(56, 189, 248, 0.4);
  --global-box: rgba(148, 163, 184, 0.3);
  --peer: #34d399;
  color-scheme: dark light;
}

[data-theme="light"] {
  --bg: #f4f6f9;
  --bg-card: #ffffff;
  --bg-inset: #eaeef4;
  --border: #d6dde6;
  --text: #1e293b;
  --muted: #5d6b7f;
  --accent: #0277bd;
  --accent-dark: #0288d1;
  --accent-contrast: #ffffff;
  --green: #0e9f6e;
  --red: #dc2626;
  --amber: #b45309;
  --violet: #7c3aed;
  --sel-bg: rgba(2, 119, 189, 0.07);
  --accent-soft: rgba(2, 119, 189, 0.08);
  --green-soft: rgba(14, 159, 110, 0.1);
  --red-soft: rgba(220, 38, 38, 0.07);
  --err-soft: rgba(220, 38, 38, 0.09);
  --row-ok: rgba(14, 159, 110, 0.06);
  --row-bad: rgba(220, 38, 38, 0.05);
  --site-box: rgba(2, 119, 189, 0.25);
  --global-box: rgba(93, 107, 127, 0.2);
  --peer: #0e9f6e;
  color-scheme: light;
}

/* No explicit choice (data-theme unset) and the OS prefers light → light
   palette, so first-time visitors on light-mode systems aren't flashed dark
   before the head bootstrap runs. The bootstrap always sets data-theme, so
   this is only a pre-script fallback. */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #f4f6f9;
    --bg-card: #ffffff;
    --bg-inset: #eaeef4;
    --border: #d6dde6;
    --text: #1e293b;
    --muted: #5d6b7f;
    --accent: #0277bd;
    --accent-dark: #0288d1;
    --accent-contrast: #ffffff;
    --green: #0e9f6e;
    --red: #dc2626;
    --amber: #b45309;
    --violet: #7c3aed;
    --sel-bg: rgba(2, 119, 189, 0.07);
    --accent-soft: rgba(2, 119, 189, 0.08);
    --green-soft: rgba(14, 159, 110, 0.1);
    --red-soft: rgba(220, 38, 38, 0.07);
    --err-soft: rgba(220, 38, 38, 0.09);
    --row-ok: rgba(14, 159, 110, 0.06);
    --row-bad: rgba(220, 38, 38, 0.05);
    --site-box: rgba(2, 119, 189, 0.25);
    --global-box: rgba(93, 107, 127, 0.2);
    --peer: #0e9f6e;
    color-scheme: light;
  }
}

html { transition: background-color 0.2s ease; }
html, body { background: var(--bg); }
html.theme-fade, html.theme-fade body, html.theme-fade .nav, html.theme-fade .arena-card,
html.theme-fade .question-card, html.theme-fade .chart, html.theme-fade .hint-card,
html.theme-fade .admin-section, html.theme-fade .phrase-row, html.theme-fade .footer,
html.theme-fade .banner, html.theme-fade .auth-card, html.theme-fade .kind-option,
html.theme-fade .count-option, html.theme-fade .home-link, html.theme-fade .dist-chart {
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Overpass', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16.5px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-family: 'Fjalla One', 'Overpass', system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: 0.015em;
}
h1 { font-size: 1.9rem; margin-bottom: 0.6rem; }
h2 { font-size: 1.35rem; margin-bottom: 0.5rem; }
h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.lead { color: var(--muted); max-width: 70ch; margin-bottom: 1.2rem; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- layout ---------- */
.nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.nav-inner {
  max-width: 1000px; margin: 0 auto; padding: 0.6rem 1rem;
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
}
.brand {
  font-family: 'Fjalla One', 'Overpass', system-ui, sans-serif;
  font-weight: 400; font-size: 1.1rem; letter-spacing: 0.02em;
  color: var(--text); white-space: nowrap;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.nav nav { display: flex; gap: 0.2rem; flex: 1; flex-wrap: wrap; }
.nav nav a {
  color: var(--muted); padding: 0.3rem 0.65rem; border-radius: 6px; font-size: 0.95rem;
}
.nav nav a:hover { color: var(--text); background: var(--bg-inset); text-decoration: none; }
.nav nav a.active { color: var(--accent); background: var(--bg-inset); }
.nav-user { color: var(--muted); font-size: 0.85rem; white-space: nowrap; }

.theme-toggle {
  background: var(--bg-inset); border: 1px solid var(--border); border-radius: 999px;
  color: var(--muted); cursor: pointer; font-size: 0.95rem; line-height: 1;
  padding: 0.32rem 0.55rem; display: inline-flex; align-items: center; gap: 0.3rem;
  font-family: inherit; transition: color 0.15s, border-color 0.15s;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent-dark); }
.auth-toggle { position: fixed; top: 1rem; right: 1rem; z-index: 60; }

.container {
  max-width: 1000px; width: 100%; margin: 0 auto; padding: 1.6rem 1rem 3rem;
  flex: 1;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 1rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  color: var(--muted); font-size: 0.82rem;
  max-width: 1000px; width: 100%; margin: 0 auto;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block; border: 1px solid transparent; border-radius: 8px;
  padding: 0.5rem 1.1rem; font-size: 0.95rem; font-weight: 600;
  cursor: pointer; text-align: center; transition: filter 0.15s, background 0.15s;
  font-family: inherit;
}
.btn:hover { text-decoration: none; filter: brightness(1.12); }
.btn-primary { background: var(--accent-dark); color: var(--accent-contrast); }
.btn-secondary { background: var(--bg-inset); color: var(--accent); border-color: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-lg { padding: 0.75rem 1.6rem; font-size: 1.05rem; }
.btn-sm { padding: 0.2rem 0.6rem; font-size: 0.82rem; }
.btn-danger { background: var(--red); color: #fff; }

/* ---------- danger zone (clear data) ---------- */
.danger-zone {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 0.6rem 1rem; margin-top: 2rem; max-width: 620px;
}
.danger-zone summary {
  cursor: pointer; color: var(--muted); font-size: 0.9rem; font-weight: 600;
}
.danger-zone summary:hover { color: var(--red); }
.danger-zone[open] { border-color: var(--red); }
.danger-body { padding-top: 0.7rem; display: flex; flex-direction: column; gap: 0.8rem; align-items: flex-start; }
.danger-body p { font-size: 0.9rem; margin: 0; }

/* ---------- auth pages ---------- */
.auth-body { display: flex; align-items: center; justify-content: center; }
.auth-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
  padding: 2.5rem; max-width: 460px; width: calc(100% - 2rem); text-align: center;
  display: flex; flex-direction: column; gap: 1rem; align-items: center;
}
.auth-logo { font-size: 3rem; }

/* ---------- home ---------- */
.hero { margin-bottom: 1.4rem; }
.banner {
  background: var(--accent-soft); border: 1px solid var(--accent-dark);
  border-radius: 10px; padding: 0.8rem 1rem; margin-bottom: 1.2rem;
  display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap;
}
.banner.ok { background: var(--green-soft); border-color: var(--green); }
.banner.err-banner { background: var(--red-soft); border-color: var(--red); }

.arena-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem; margin-bottom: 1.4rem;
}
.arena-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.3rem; display: flex; flex-direction: column; gap: 0.6rem;
}
.arena-card.bonus { border-color: var(--violet); }
.arena-card p { color: var(--muted); font-size: 0.92rem; flex: 1; }
.arena-card .btn { align-self: flex-start; }
.arena-icon { font-size: 1.8rem; }
.tag {
  display: inline-block; background: var(--bg-inset); border: 1px solid var(--border);
  color: var(--muted); border-radius: 999px; padding: 0.05rem 0.6rem;
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em;
}
.ok-tag { color: var(--green); border-color: var(--green); }
.bad-tag { color: var(--red); border-color: var(--red); }

.stat-row { display: flex; gap: 1.4rem; flex-wrap: wrap; margin: 0.4rem 0; }
.stat-row.big { margin: 1rem 0 1.4rem; }
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: 'Fjalla One', 'Overpass', system-ui, sans-serif;
  font-weight: 400; font-size: 1.6rem; color: var(--accent);
}
.stat-row.big .stat-num { font-size: 2rem; }
.stat-label { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

.home-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.home-link {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 0.7rem 1.1rem; color: var(--text); font-size: 0.95rem;
}
.home-link:hover { border-color: var(--accent-dark); text-decoration: none; }

/* ---------- setup ---------- */
.setup-form { display: flex; flex-direction: column; gap: 1.4rem; max-width: 620px; }
fieldset { border: none; }
legend { font-weight: 600; margin-bottom: 0.6rem; font-size: 1.05rem; }
.kind-picker { display: flex; flex-direction: column; gap: 0.7rem; }
.kind-option {
  display: flex; flex-direction: column; gap: 0.2rem;
  background: var(--bg-card); border: 2px solid var(--border); border-radius: 12px;
  padding: 1rem 1.2rem; cursor: pointer;
}
.kind-option.selected { border-color: var(--accent); }
.kind-option input { position: absolute; opacity: 0; }
.kind-title { font-weight: 650; font-size: 1.05rem; }
.kind-desc { color: var(--muted); font-size: 0.9rem; }
.count-options { display: flex; gap: 0.45rem; flex-wrap: wrap; }
.count-option {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-card); border: 2px solid var(--border); border-radius: 10px;
  cursor: pointer; font-weight: 600;
}
.count-option.selected { border-color: var(--accent); color: var(--accent); }
.count-option input { position: absolute; opacity: 0; }

/* ---------- runner ---------- */
.runner-top { margin-bottom: 1rem; }
.runner-progress-wrap {
  height: 8px; background: var(--bg-card); border-radius: 999px; overflow: hidden;
}
.runner-progress-bar {
  height: 100%; background: var(--accent); width: 0;
  transition: width 0.3s ease;
}
.runner-meta {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 0.5rem; color: var(--muted); font-size: 0.9rem;
}
.question-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.8rem; max-width: 680px; margin: 0 auto;
}
.q-field { color: var(--accent); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.4rem; }
.q-prompt {
  font-family: 'Fjalla One', 'Overpass', system-ui, sans-serif;
  font-weight: 400; font-size: 1.5rem; line-height: 1.35; margin-bottom: 1.4rem;
}
.q-inputs { margin-bottom: 1.2rem; }
.tf-buttons { display: flex; gap: 0.8rem; margin-bottom: 1.4rem; }
.tf-btn {
  flex: 1; padding: 1rem; font-size: 1.15rem; font-weight: 600; letter-spacing: 0.08em;
  background: var(--bg-inset); color: var(--text); border: 2px solid var(--border);
  border-radius: 10px; cursor: pointer; font-family: inherit;
}
.tf-btn.selected { border-color: var(--accent); color: var(--accent); background: var(--sel-bg); }
.tf-mode-toggle { display: flex; gap: 0.5rem; margin-bottom: 1.2rem; }
.tf-mode-btn {
  flex: 1; padding: 0.45rem 0.6rem; font-size: 0.85rem; font-weight: 600;
  background: var(--bg-inset); color: var(--muted); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; font-family: inherit;
}
.tf-mode-btn.selected { border-color: var(--accent); color: var(--accent); background: var(--sel-bg); }
.tf-headline-wrap { text-align: center; margin-bottom: 0.9rem; }
.tf-headline {
  font-family: 'Fjalla One', 'Overpass', system-ui, sans-serif;
  font-size: 3rem; line-height: 1.1; letter-spacing: 0.04em; color: var(--accent);
  transition: color 0.15s ease;
}
.tf-headline.indiff { color: var(--muted); font-size: 2.2rem; }
.tf-subhead { color: var(--muted); font-size: 0.95rem; margin-top: 0.25rem; }
.conf-wrap label { display: block; font-weight: 600; margin-bottom: 0.5rem; }
.conf-value { color: var(--accent); font-size: 1.2rem; }
input[type="range"] {
  width: 100%; accent-color: var(--accent); height: 32px; cursor: pointer;
}
.conf-ticks { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.8rem; margin-top: 0.2rem; }
.conf-ticks span { text-align: center; }
.hint-line { color: var(--muted); font-size: 0.85rem; margin-top: 0.9rem; font-style: italic; }
.ci-instruction { margin-bottom: 1rem; color: var(--text); }
.ci-fields { display: flex; align-items: flex-end; gap: 0.8rem; }
.ci-field { flex: 1; display: flex; flex-direction: column; gap: 0.3rem; }
.ci-field label { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.ci-field input {
  background: var(--bg-inset); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); padding: 0.7rem 0.9rem; font-size: 1.1rem; width: 100%;
  font-family: inherit;
}
.ci-field input:focus { outline: 2px solid var(--accent-dark); border-color: var(--accent); }
.ci-sep { color: var(--muted); padding-bottom: 0.7rem; }
.err {
  background: var(--err-soft); border: 1px solid var(--red); color: var(--red);
  border-radius: 8px; padding: 0.6rem 0.9rem; margin-bottom: 1rem; font-size: 0.9rem;
}
.q-actions { display: flex; justify-content: space-between; gap: 0.8rem; }

/* ---------- results ---------- */
.feedback {
  background: var(--bg-card); border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0; padding: 0.9rem 1.2rem; margin-bottom: 1.2rem;
  display: flex; flex-direction: column; gap: 0.4rem;
}

/* EV vs Actual panel */
.ev-panel {
  background: var(--bg-card); border: 1px solid var(--border); border-left: 4px solid var(--muted);
  border-radius: 0 12px 12px 0; padding: 0.9rem 1.2rem; margin-bottom: 1.4rem;
}
.ev-panel .ev-stats { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.ev-panel .ev-stats .stat-num { font-size: 1.6rem; }
.ev-delta .stat-num { font-weight: 700; }
.ev-panel.verdict-calibrated { border-left-color: var(--green); }
.ev-panel.verdict-calibrated .ev-delta .stat-num { color: var(--green); }
.ev-panel.verdict-over, .ev-panel.verdict-luck-under { border-left-color: var(--red); }
.ev-panel.verdict-over .ev-delta .stat-num, .ev-panel.verdict-luck-under .ev-delta .stat-num { color: var(--red); }
.ev-panel.verdict-under, .ev-panel.verdict-luck-over { border-left-color: var(--amber); }
.ev-panel.verdict-under .ev-delta .stat-num, .ev-panel.verdict-luck-over .ev-delta .stat-num { color: var(--amber); }
.ev-explainer { margin: 0.6rem 0 0; font-size: 0.92rem; line-height: 1.45; }
.ev-explainer .small { display: block; margin-top: 0.3rem; font-size: 0.8rem; }
.results-table, .admin-table {
  width: 100%; border-collapse: collapse; font-size: 0.9rem; margin-bottom: 1.4rem;
}
.results-table th, .admin-table th {
  text-align: left; color: var(--muted); font-size: 0.78rem; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border);
}
.results-table td, .admin-table td {
  padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--bg-card); vertical-align: top;
}
.row-ok td { background: var(--row-ok); }
.row-bad td { background: var(--row-bad); }
.row-retired td { opacity: 0.55; }
.prompt-cell { max-width: 340px; }
.ref-cell details { color: var(--muted); font-size: 0.82rem; max-width: 260px; }
.ref-cell summary { cursor: pointer; color: var(--accent); }
.next-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1rem; }

/* ---------- progress ---------- */
.chart-section { margin-bottom: 2rem; }
.chart {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1rem; width: 100%; max-height: 380px;
}
.chart.short { max-height: 260px; }
.field-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }

/* ---------- rough / hand-crafted mode ---------- */
.rough-badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); border: 1px dashed var(--border); border-radius: 999px;
  padding: 0.1rem 0.6rem; margin-left: 0.5rem; vertical-align: middle;
}
.rough-badge::before { content: "✏️"; font-size: 0.8rem; }
.dist-chart svg text { font-family: 'Overpass', system-ui, sans-serif; }

/* roughness slider on admin */
.rough-form { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap; }
.rough-form input[type="range"] { width: 220px; }
.rough-scale { display: flex; justify-content: space-between; width: 220px; color: var(--muted); font-size: 0.75rem; margin-top: -0.4rem; }
.rough-preview {
  margin-top: 1rem; border: 1px dashed var(--border); border-radius: 10px;
  padding: 0.8rem; max-width: 520px;
}
.rough-preview svg { display: block; width: 100%; height: auto; }

/* ---------- hints ---------- */
.hint-list { display: flex; flex-direction: column; gap: 0.9rem; margin-bottom: 2rem; }
.hint-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.1rem 1.3rem;
}
.hint-card h3 { margin: 0.4rem 0 0.3rem; }
.hint-card p { color: var(--muted); font-size: 0.93rem; }

/* ---------- survey ---------- */
.survey-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.6rem; margin-bottom: 1.4rem;
}
.phrase-row {
  display: flex; align-items: center; justify-content: space-between; gap: 0.6rem;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 0.55rem 0.9rem;
}
.phrase-row label { font-size: 0.95rem; }
.phrase-input { display: flex; align-items: center; gap: 0.25rem; }
.phrase-input input {
  width: 72px; background: var(--bg-inset); border: 1px solid var(--border);
  border-radius: 7px; color: var(--text); padding: 0.35rem 0.5rem;
  font-size: 1rem; text-align: right; font-family: inherit;
}
.phrase-input input:focus { outline: 2px solid var(--accent-dark); }
.pct { color: var(--muted); }
.demo-fields { margin-bottom: 1.4rem; }
.filter-form select, .invite-form input {
  background: var(--bg-inset); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); padding: 0.45rem 0.7rem; font-size: 0.95rem; font-family: inherit;
}

.legend { display: flex; gap: 1.4rem; flex-wrap: wrap; margin-bottom: 1rem; font-size: 0.9rem; color: var(--muted); }
.legend-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 0.3rem; vertical-align: -1px; }
.legend-dot.mine { background: var(--amber); }
.legend-box { display: inline-block; width: 12px; height: 12px; border-radius: 2px; margin-right: 0.3rem; vertical-align: -1px; }
.legend-box.site { background: var(--site-box); border: 1px solid var(--accent); }
.legend-box.global { background: var(--global-box); border: 1px solid var(--muted); }
.legend-dot.peer { background: var(--peer); border-radius: 2px; transform: rotate(45deg); }

/* ---------- survey: compare + sources ---------- */
.compare-panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.1rem 1.3rem; margin-bottom: 1.4rem;
}
.compare-panel h2 { margin-bottom: 0.4rem; font-size: 1.15rem; }
.compare-form { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.6rem; }
.compare-form input[type="email"] {
  flex: 1; min-width: 240px;
  background: var(--bg-inset); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); padding: 0.45rem 0.7rem; font-size: 0.95rem; font-family: inherit;
}
.compare-form input[type="email"]:focus { outline: 2px solid var(--accent-dark); }
#compare-msg { margin: 0.55rem 0 0; }
.ok-text { color: var(--green); }
.err-text { color: var(--red); }

.check-row { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.95rem; }
.check-row input[type="checkbox"] { margin-top: 0.25rem; width: 1rem; height: 1rem; accent-color: var(--accent); }

.sources {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.1rem 1.3rem; margin: 1.6rem 0;
}
.sources h2 { margin-bottom: 0.5rem; font-size: 1.15rem; }
.sources p { color: var(--muted); font-size: 0.92rem; }
.sources ul { margin: 0.6rem 0 0.2rem; padding-left: 1.2rem; }
.sources li { margin-bottom: 0.45rem; font-size: 0.92rem; color: var(--muted); }
.sources li a { color: var(--accent); }
.dist-chart {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1rem; margin-bottom: 1rem; overflow-x: auto;
}

/* ---------- admin ---------- */
.admin-section {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.3rem; margin-bottom: 1.4rem;
}
.admin-section h2 { margin-bottom: 0.8rem; }
.invite-form { display: flex; gap: 0.6rem; margin-bottom: 1rem; flex-wrap: wrap; }
.invite-form input { flex: 1; min-width: 240px; }
.filter-form { display: flex; gap: 0.6rem; margin-bottom: 0.6rem; flex-wrap: wrap; }
.questions-table .prompt-cell { max-width: 420px; }
.actions form { display: inline; }

@media (max-width: 640px) {
  .q-actions { flex-direction: column-reverse; }
  .q-actions .btn { width: 100%; }
  .ci-fields { flex-direction: column; align-items: stretch; }
  .ci-sep { display: none; }
  .prompt-cell { max-width: none; }
  .results-table, .admin-table { font-size: 0.82rem; }
}