@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

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

:root {
  --ink: #cac593;
  --ink-2: #7d8068;
  --ink-3: #4e5242;
  --rule: #2e3028;
  --bg: #1c1e18;
  --surface: #242620;
  --accent: #cac593;
  --accent-bg: #2e3424;
  --run-bg: #1e2c1c;
  --run-text: #cac593;
  --strength-bg: #2c2c18;
  --strength-text: #b8b07a;
  --rest-bg: #202218;
  --rest-text: #5e6050;
  --cross-bg: #1c2a22;
  --cross-text: #7a8e6a;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

header {
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
  padding: 1.5rem 2rem 1.75rem;
  text-align: center;
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.site-eyebrow {
  font-family: 'Barlow', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1rem;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-family: 'Barlow', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.15s;
  padding-bottom: 2px;
}
.site-nav a:hover  { color: var(--ink); }
.site-nav a.active { color: var(--accent); border-bottom: 1px solid var(--accent); }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 2rem; }

h1 {
  font-family: 'Barlow', sans-serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

h2 { font-family: 'Barlow', sans-serif; }
h3 { font-family: 'Barlow', sans-serif; }

main { padding: 2.5rem 0 4rem; }

.page-hero {
  width: 100%;
  height: 260px;
  overflow: hidden;
}
.page-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

/* index page — phase overview table */
.phase-table {
  margin-bottom: 2rem;
  font-size: 13px;
}
.phase-table th { color: var(--ink-3); }
.phase-table td:first-child { font-family: 'IBM Plex Mono', monospace; white-space: nowrap; }

/* index page — week cards */
.week-list { list-style: none; }
.week-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.75rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s;
}
.week-card:hover { border-color: var(--accent); }
.week-card.current { border-color: var(--accent); background: var(--accent-bg, #eaf0f9); }
.week-card.past { opacity: 0.55; }
.week-card .week-title { font-size: 17px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.week-card .week-sub { font-size: 13px; color: var(--ink-2); margin-top: 3px; }
.week-badge {
  font-size: 10px;
  font-weight: 600;
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 99px;
  padding: 1px 7px;
}

/* day blocks (week pages) */
.day-block {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 10px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  gap: 1rem;
}

.day-header:hover { background: var(--bg); }

.day-name { font-weight: 600; font-size: 15px; min-width: 130px; }
.day-summary { font-size: 13px; color: var(--ink-2); flex: 1; }

.tag {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 99px;
  white-space: nowrap;
}
.tag-run      { background: var(--run-bg);      color: var(--run-text); }
.tag-strength { background: var(--strength-bg); color: var(--strength-text); }
.tag-rest     { background: var(--rest-bg);     color: var(--rest-text); }
.tag-cross    { background: var(--cross-bg);    color: var(--cross-text); }

.chevron {
  color: var(--ink-3);
  font-size: 18px;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.day-block.open .chevron { transform: rotate(180deg); }

.day-body {
  display: none;
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid var(--rule);
}
.day-block.open .day-body { display: block; }

.day-body p { margin: 0.75rem 0; font-size: 14px; }
.day-body h3 {
  font-size: 13px;
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin: 1rem 0 0.5rem;
}
.day-body .workout-type { font-size: 14px; margin-top: 0.75rem; }

table { width: 100%; border-collapse: collapse; margin: 0.75rem 0; font-size: 13px; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-family: 'IBM Plex Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-3); }

/* video demo toggle */
.video-demo {
  display: block;
  margin-top: 6px;
}

.video-demo summary {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
  user-select: none;
  padding: 2px 8px;
  border: 1px solid currentColor;
  border-radius: 99px;
  opacity: 0.8;
  transition: opacity 0.15s;
}

.video-demo summary:hover { opacity: 1; }
.video-demo summary::-webkit-details-marker { display: none; }

.video-demo video {
  display: block;
  margin-top: 8px;
  width: 280px;
  max-width: 100%;
  border-radius: 6px;
  background: #000;
}

/* table accent rows (aid stations, lap totals) */
.table-accent-row td {
  background: var(--bg);
}
.table-accent-row td:first-child {
  border-left: 3px solid var(--accent);
  padding-left: 7px;
}

/* wide table scroll container */
.table-scroll {
  overflow-x: auto;
  margin: 0.75rem 0;
}
.table-scroll table {
  margin: 0;
  min-width: 540px;
}

/* race plan index card */
.race-plan-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s;
}
.race-plan-card:hover { background: var(--accent-bg); }
.race-plan-card-label { font-weight: 600; font-size: 15px; }
.race-plan-card-sub { font-size: 13px; color: var(--ink-2); flex: 1; }
.race-plan-card-arrow { color: var(--accent); font-size: 16px; flex-shrink: 0; }

/* plan page subsection heading (### level) */
.plan-subheading {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  margin: 1.5rem 0 0.5rem;
}

/* race plan page */
.race-meta {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.75rem;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.8;
}

.race-notes {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
}
.race-notes li {
  font-size: 14px;
  color: var(--ink-2);
  padding: 0.5rem 0 0.5rem 1.25rem;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.race-notes li:last-child { border-bottom: none; }
.race-notes li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--ink-3);
}

/* weekly summary table (above day blocks) */
.week-summary-wrap {
  border: 1px solid var(--rule);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.75rem;
}

.week-summary {
  margin: 0;
  font-size: 13px;
}

.week-summary th {
  background: var(--bg);
  padding: 8px 14px;
  border-bottom: 1px solid var(--rule);
}

.week-summary td {
  background: var(--surface);
  padding: 8px 14px;
  vertical-align: middle;
}

.week-summary tbody tr:not(:last-child) td {
  border-bottom: 1px solid var(--rule);
}

.summary-total td {
  background: var(--bg);
  border-top: 1px solid var(--rule);
}

/* workout menu */
.menu-intro {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 1.75rem;
}

h2.menu-section {
  font-size: 11px;
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule);
}

/* index page — workout menu footer link */
.menu-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  text-align: center;
}

.menu-footer-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}

.menu-footer-link:hover { text-decoration: underline; }

/* track tabs (multi-option weeks, e.g. week 10 R2R2R / Standard) */
.track-intro {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.track-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.track-tab {
  padding: 0.45rem 1.25rem;
  border: 1px solid var(--rule);
  border-radius: 99px;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  letter-spacing: 0.01em;
  font-family: inherit;
}

.track-tab:hover { border-color: var(--accent); color: var(--ink); }

.track-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  font-weight: 600;
}

main h1 { margin-bottom: 1.5rem; }

@media (max-width: 600px) {
  header { padding: 1.25rem 1.25rem 1.5rem; }
  .site-nav { gap: 1.25rem; }
  .site-nav a { font-size: 12px; }
  h1 { font-size: 22px; }
  .day-name { min-width: 90px; }
}