/* Shared site-wide styles: nav, footer, page shell, common primitives.
   Each page links this in addition to /style.css (which holds the design tokens). */

/* -------- Layout shell -------- */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-main {
  flex: 1;
  width: 100%;
  max-width: 64rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.page-hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}
.page-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin-bottom: 0.8rem;
}
.page-hero p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 38rem;
  line-height: 1.65;
}

/* -------- Top navigation -------- */
.site-nav {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-nav-inner {
  max-width: 64rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
}
.site-nav-brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  border: none;
  color: var(--fg);
  white-space: nowrap;
}
.site-nav-brand-strong { font-weight: 700; }
.site-nav-brand-dim { color: var(--muted); font-weight: 500; }
.site-nav-list {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  padding: 0; margin: 0;
}
.site-nav-list a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  border: none;
  padding: 0.3rem 0;
  transition: color 0.2s;
}
.site-nav-list a:hover { color: var(--fg); }
.site-nav-list a.is-current {
  color: var(--fg);
  border-bottom: 2px solid var(--fg);
}
.site-nav-auth { display: flex; align-items: center; gap: 0.6rem; }
.site-nav-cta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--fg) !important;
  transition: background 0.2s, color 0.2s;
}
.site-nav-cta:hover { background: var(--fg); color: var(--bg); }
.site-nav-user {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  border: none !important;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}
.site-nav-avatar { width: 26px; height: 26px; border: 1px solid var(--fg); display: block; }

@media (max-width: 800px) {
  .site-nav-inner { flex-wrap: wrap; gap: 0.8rem; }
  .site-nav-list { order: 3; width: 100%; gap: 1rem; flex-wrap: wrap; }
  .site-nav-list a { font-size: 0.7rem; }
}

/* -------- Footer -------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem 2rem;
  margin-top: 3rem;
}
.site-footer-inner {
  max-width: 64rem;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-footer-sponsors {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.site-footer-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-footer-logo { height: 22px; opacity: 0.85; }
.site-footer-sponsor { display: inline-flex; align-items: center; border: none; }
.site-footer-sponsor:hover .site-footer-logo { opacity: 1; }
.site-footer-meta {
  display: flex;
  gap: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.site-footer-meta a { color: var(--muted); border: none; }
.site-footer-meta a:hover { color: var(--fg); border-bottom: 1px solid var(--fg); }

@media (max-width: 800px) {
  .site-footer-inner { flex-direction: column; align-items: flex-start; }
}

/* -------- Common primitives -------- */
.section { margin-top: 3rem; }
.section h2 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.4rem;
}
.section h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 1.8rem 0 0.7rem;
}
.section p, .section li {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 0.7rem;
  color: var(--fg);
}
.section p { color: var(--fg); }
.section li { color: var(--fg); }
.section ul, .section ol { padding-left: 1.4rem; }
/* Bullets are small squares that alternate the two players' colours (blue/red),
   echoing the board tiles. Numbered lists (ol) keep their numbers. */
.section ul { list-style: none; }
.section ul > li { position: relative; }
.section ul > li::before {
  content: '';
  position: absolute;
  left: -1.25rem;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--blue);
}
.section ul > li:nth-child(even)::before { background: var(--red); }
.section a { color: var(--fg); }

.card {
  border: 1px solid var(--border);
  padding: 1.4rem;
  background: var(--bg);
}
.card.is-bordered { border-color: var(--fg); }

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--fg);
  cursor: pointer;
  transition: opacity 0.2s, background 0.2s, color 0.2s;
}
.btn-primary { background: var(--fg); color: var(--bg); }
.btn-primary:hover { opacity: 0.85; }
.btn-secondary { background: transparent; color: var(--fg); }
.btn-secondary:hover { background: var(--fg); color: var(--bg); }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border);
  color: var(--muted);
}

/* -------- Tables (leaderboard, replays) -------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--border);
}
.data-table th {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.data-table tr:hover td { background: rgba(0, 0, 0, 0.03); }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .rank { color: var(--muted); width: 3rem; }
.data-table .rank-top { color: var(--fg); font-weight: 700; }

/* ---- shared replay viewer (used by replays.html and player.html) ---------- */
.replay-viewer-meta {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted);
  letter-spacing: 0.08em; margin-bottom: 0.9rem; padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}
.replay-viewer-stage {
  display: grid; place-items: center; container-type: size;
  /* definite height so tall grids can size against it; boards up to ~21×21
     fit without scrolling, and the height caps what width-fitting misses */
  height: min(68vh, 40rem);
  color: var(--muted);
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.06em;
}
@media (max-width: 800px) { .replay-viewer-stage { height: min(60vh, 30rem); } }
/* contained board grid (reuses the global .tile styling via --tile-size).
   Tiles fit BOTH axes — width/cols and height/rows — so any grid shape up to
   the stage box renders whole; the px cap keeps small boards from ballooning. */
.replay-board {
  --tile-size: min(calc(100cqw / var(--cols, 10)), calc(100cqh / var(--rows, 10)), 36px);
  display: grid;
  grid-template-columns: repeat(var(--cols, 10), var(--tile-size));
  grid-template-rows: repeat(var(--rows, 10), var(--tile-size));
  gap: 0; margin: auto;
}
.replay-controls {
  display: flex; align-items: center; gap: 0.6rem;
  padding-top: 1rem; border-top: 1px solid var(--border); margin-top: 1rem;
}
.replay-controls button {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em;
  text-transform: uppercase; background: transparent; color: var(--fg);
  border: 1px solid var(--fg); padding: 0.4rem 0.8rem; cursor: pointer;
}
.replay-controls button:hover { background: var(--fg); color: var(--bg); }
.replay-controls button:disabled, .replay-controls .rscrub:disabled { opacity: 0.35; cursor: default; }
.replay-controls .rscrub {
  flex: 1; -webkit-appearance: none; appearance: none;
  height: 4px; background: var(--border); cursor: pointer;
}
.replay-controls .rscrub::-webkit-slider-thumb {
  -webkit-appearance: none; width: 10px; height: 10px; background: var(--fg); cursor: pointer;
}
.replay-controls .rscrub::-moz-range-thumb { width: 10px; height: 10px; background: var(--fg); border: 0; }
.replay-score { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 0.9rem; }
.rs-row { display: flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0.6rem; border-left: 3px solid transparent; font-family: var(--font-mono); font-size: 0.8rem; }
.rs-row.rs-blue { border-left-color: var(--blue); background: color-mix(in srgb, var(--blue) 9%, transparent); }
.rs-row.rs-red { border-left-color: var(--red); background: color-mix(in srgb, var(--red) 9%, transparent); }
.rs-row.rs-blue.is-leader { background: color-mix(in srgb, var(--blue) 20%, transparent); }
.rs-row.rs-red.is-leader { background: color-mix(in srgb, var(--red) 20%, transparent); }
.rs-name { flex: 1; color: var(--fg); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rs-stat { color: var(--muted); white-space: nowrap; }
.rs-stat b { color: var(--fg); font-weight: 700; }

/* fixed-width transport buttons — ▶/❚❚ and 1×/0.5× swap without resizing the bar */
.replay-controls .ctl-play { width: 2.9rem; padding-left: 0; padding-right: 0; text-align: center; }
.replay-controls .ctl-speed { width: 3.6rem; padding-left: 0; padding-right: 0; text-align: center; }
/* scoreboard names link to player profiles (baselines stay plain) */
.rs-name a { color: inherit; text-decoration: none; border-bottom: 1px dotted var(--border); }
.rs-name a:hover { border-bottom-color: var(--fg); }
/* keyboard legend under the viewer controls (replays + profile pages) */
.replay-hint { margin-top: 0.75rem; font-family: var(--font-mono); font-size: 0.66rem; color: var(--muted); letter-spacing: 0.04em; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.replay-hint kbd { font-family: var(--font-mono); font-size: 0.62rem; line-height: 1.4; color: var(--fg); background: rgba(0,0,0,0.04); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 3px; padding: 0.05rem 0.35rem; }
.replay-hint .sep { opacity: 0.45; }

/* -------- Pre-release (countdown to competition start) -------- */
/* Slim strip injected under <site-nav> by site.js while the site is in
   pre-release; index opts out (its hero carries the big countdown). */
.gc-ribbon {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  color: var(--bg);
  background: var(--fg);
  padding: 0.5rem 1rem;
}
.gc-ribbon b { font-weight: 700; font-variant-numeric: tabular-nums; }

/* Locked-page panel: shown in place of the leaderboard / submit UI. */
.gc-locked {
  text-align: center;
  border: 1px dashed var(--border);
  padding: 3rem 1.5rem;
  margin: 1rem 0;
}
/* Pre-release note on pages that stay OPEN (e.g. submissions): quieter than a
   lock — sets expectations without blocking the flow. */
.gc-prenote {
  font-size: 0.85rem;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-left: 3px solid var(--blue);
  padding: 0.7rem 1rem;
  margin: 0 0 1.2rem;
  line-height: 1.55;
}
.gc-prenote a { color: var(--fg); }
.gc-locked-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}
.gc-locked-count {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--fg);
  margin: 0.9rem 0 0.5rem;
}
.gc-locked-when {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.gc-locked-note {
  font-size: 0.88rem;
  color: var(--muted);
  max-width: 30rem;
  margin: 1.2rem auto 0;
  line-height: 1.6;
}
.gc-locked-note a { color: var(--blue); text-decoration: none; }

/* Pre-release schedule strip — shown under locked-state panels. */
.gc-timeline {
  max-width: 30rem;
  margin: 2.2rem auto 0;
  text-align: left;
}
.gc-timeline-row {
  display: flex;
  gap: 1.1rem;
  padding: 0.55rem 0;
  border-left: 2px solid var(--border);
  padding-left: 1.1rem;
  position: relative;
}
.gc-timeline-row::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 1.15rem;
  width: 8px;
  height: 8px;
  background: var(--bg);
  border: 2px solid var(--muted);
  border-radius: 50%;
}
.gc-timeline-row.is-live::before { border-color: var(--red); background: var(--red); }
.gc-timeline-when {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg);
  white-space: nowrap;
  width: 4.6rem;
  flex-shrink: 0;
  padding-top: 0.2rem;
}
.gc-timeline-row.is-dim .gc-timeline-when { color: var(--muted); }
.gc-timeline-what { font-size: 0.85rem; line-height: 1.55; color: var(--muted); }
.gc-timeline-what b { color: var(--fg); font-weight: 600; }