/* foxalgo.io — vanilla CSS, mobile-first, dark default + light via
   prefers-color-scheme. No framework. */

:root {
  --bg: #0b0d12;
  --bg-raised: #12151c;
  --border: #23272f;
  --text: #e7e9ee;
  --text-dim: #9aa1ad;
  --accent: #4fd1c5;
  --accent-dim: #1f6f68;
  --bad: #ef7676;
  --good: #6bd67a;
  --warn: #e0b04f;
  --radius: 10px;
  --maxw: 960px;
  font-size: 16px;
}

/* Svetla varianta vypnuta 2026-08-16 — tmava je fixni identita webu.
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --bg-raised: #ffffff;
    --border: #e2e5ea;
    --text: #14161a;
    --text-dim: #5b6270;
    --accent: #0f8f82;
    --accent-dim: #d5f2ee;
    --bad: #b23b3b;
    --good: #2a8f3d;
    --warn: #8a6a12;
  }
}
*/

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

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

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.brand:hover {
  text-decoration: none;
}
nav.site-nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.92rem;
}
nav.site-nav a {
  color: var(--text-dim);
}
nav.site-nav a:hover {
  color: var(--text);
}

main {
  padding: 32px 0 64px;
}

h1 {
  font-size: 2rem;
  line-height: 1.15;
  margin: 0 0 12px;
}
h2 {
  font-size: 1.35rem;
  margin: 40px 0 12px;
}
p.lead {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 60ch;
}

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 24px 0;
}
@media (min-width: 700px) {
  .card-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .card-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

a.stat-card {
  color: var(--text);
  transition: border-color 0.15s ease;
}
a.stat-card:hover {
  text-decoration: none;
  border-color: var(--accent);
}

.stat-card .market {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stat-card .prob {
  font-size: 2.1rem;
  font-weight: 700;
  margin: 6px 0 2px;
  font-variant-numeric: tabular-nums;
}
.stat-card .meta {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
.badge.good {
  color: var(--good);
  border-color: var(--good);
}
.badge.dead {
  color: var(--bad);
  border-color: var(--bad);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 28px 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.trust-strip span::before {
  content: "\2713 ";
  color: var(--accent);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
th,
td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.table-scroll table {
  border: none;
}

.delta-pos {
  color: var(--good);
}
.delta-neg {
  color: var(--bad);
}

form.subscribe {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 20px 0;
}
form.subscribe input[type="email"] {
  flex: 1 1 240px;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}
button,
form.subscribe button {
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #06110f;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
}
button:hover {
  filter: brightness(1.06);
}
.form-note {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.disclaimer {
  font-size: 0.78rem;
  color: var(--text-dim);
  border-left: 3px solid var(--warn);
  padding: 8px 12px;
  margin: 22px 0;
  background: var(--bg-raised);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 16px 0 20px;
}
select {
  padding: 8px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 0.9rem;
}

footer.site {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 28px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}
footer.site .wrap {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
footer.site nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.grave-entry {
  border-left: 3px solid var(--bad);
  padding: 4px 0 4px 14px;
  margin: 18px 0;
}
.grave-entry h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}
.grave-entry .claim {
  color: var(--text-dim);
  font-style: italic;
}

.reliability-legend {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin: 4px 0 14px;
}
.reliability-legend span::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 5px;
  vertical-align: middle;
}
.reliability-legend .predicted::before {
  background: var(--text-dim);
}
.reliability-legend .realized::before {
  background: var(--accent);
}

.reliability-table {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.reliability-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 4px 10px;
  align-items: center;
}
.reliability-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.reliability-bars {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.bar-track {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  height: 8px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 3px 0 0 3px;
}
.bar-fill.predicted {
  background: var(--text-dim);
}
.bar-fill.realized {
  background: var(--accent);
}
.reliability-meta {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  color: var(--text-dim);
}
.delta-tag {
  color: var(--text-dim);
}
.delta-tag.good {
  color: var(--good);
}
.delta-tag.bad {
  color: var(--bad);
}

code {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.85em;
}

/* --- timeline (month-by-month scorecard) --- */
.timeline-chart {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 140px;
  padding: 10px 10px 0;
  overflow-x: auto;
}
.timeline-bar {
  position: relative;
  flex: 1 0 5px;
  min-width: 5px;
  height: 100%;
  display: flex;
  align-items: flex-end;
  cursor: default;
}
.timeline-bar .fill {
  width: 100%;
  background: var(--accent-dim);
  border-radius: 2px 2px 0 0;
  min-height: 2px;
}
.timeline-bar .predicted-tick {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--text-dim);
}
.timeline-axis {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-dim);
  padding: 4px 10px 0;
}
.timeline-legend {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin: 10px 0 4px;
}
.timeline-legend span::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 5px;
  vertical-align: middle;
}
.timeline-legend .predicted::before {
  background: var(--text-dim);
}
.timeline-legend .realized::before {
  background: var(--accent-dim);
}
.timeline-caption {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin: 6px 0 0;
}

details.year-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 10px 0;
  overflow: hidden;
}
details.year-group summary {
  cursor: pointer;
  padding: 10px 14px;
  font-weight: 600;
  background: var(--bg-raised);
  list-style: none;
}
details.year-group summary::-webkit-details-marker {
  display: none;
}
details.year-group summary::before {
  content: "\25B8  ";
  color: var(--text-dim);
}
details.year-group[open] summary::before {
  content: "\25BE  ";
}
details.year-group summary .year-summary-meta {
  color: var(--text-dim);
  font-weight: 400;
  font-size: 0.85rem;
  margin-left: 8px;
}