/* Beginner's 40k — shared stylesheet. Mobile-first, WCAG 2.2 AA targets. */

:root {
  --bg: #ffffff;
  --bg-raised: #f4f3f1;
  --text: #1a1a1a;
  --text-muted: #4d4d4d;
  --border: #c9c6c0;
  --accent: #7a1f2b;
  --accent-text: #ffffff;
  --focus: #0b5fff;
  --warn-bg: #fff3cd;
  --warn-border: #8a6d1f;
  --warn-text: #4a3b0f;
  --verify-bg: #fde8e8;
  --verify-border: #a33a3a;
  --verify-text: #5a1a1a;
  --success-bg: #e6f4ea;
  --success-border: #2e7d46;
  --radius: 10px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --touch-min: 44px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15130f;
    --bg-raised: #221f19;
    --text: #f1efe9;
    --text-muted: #c7c2b8;
    --border: #4a453c;
    --accent: #d6717d;
    --accent-text: #15130f;
    --focus: #7db2ff;
    --warn-bg: #3a2f0f;
    --warn-border: #d8b23a;
    --warn-text: #f1e6b8;
    --verify-bg: #3a1616;
    --verify-border: #d87a7a;
    --verify-text: #f8d9d9;
    --success-bg: #123a1e;
    --success-border: #59c17e;
  }
}

:root[data-theme="light"] {
  --bg: #ffffff; --bg-raised: #f4f3f1; --text: #1a1a1a; --text-muted: #4d4d4d;
  --border: #c9c6c0; --accent: #7a1f2b; --accent-text: #ffffff; --focus: #0b5fff;
}
:root[data-theme="dark"] {
  --bg: #15130f; --bg-raised: #221f19; --text: #f1efe9; --text-muted: #c7c2b8;
  --border: #4a453c; --accent: #d6717d; --accent-text: #15130f; --focus: #7db2ff;
}

* { box-sizing: border-box; }

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.55;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration-thickness: 2px; }
a:hover { text-decoration-thickness: 3px; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--focus);
  color: #fff;
  padding: var(--space-1) var(--space-2);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-1);
  top: var(--space-1);
}

header.site-header {
  border-bottom: 1px solid var(--border);
  padding: var(--space-2);
}

.site-header .brand {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--text);
}

.site-header .brand .mark {
  width: 28px; height: 28px; flex: none;
}

nav.primary-nav {
  margin-top: var(--space-2);
}
nav.primary-nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
nav.primary-nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--touch-min);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
}
nav.primary-nav a[aria-current="page"] {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: var(--space-3) var(--space-2) var(--space-4);
}

h1, h2, h3, h4 { line-height: 1.2; }
h1 { font-size: 1.9rem; margin-top: 0; }
h2 { font-size: 1.4rem; margin-top: var(--space-4); }
h3 { font-size: 1.15rem; }

.lede {
  font-size: 1.15rem;
  color: var(--text-muted);
}

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-2);
  margin: var(--space-2) 0;
}

.button, button.button, a.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: var(--space-2) 0;
}

/* Status/label chips used to distinguish official rules from community convention */
.chip {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid currentColor;
}
.chip.official {
  color: var(--success-border);
  background: var(--success-bg);
}
.chip.convention {
  color: var(--warn-border);
  background: var(--warn-bg);
}

.callout {
  border-left: 4px solid var(--border);
  background: var(--bg-raised);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-2);
  margin: var(--space-2) 0;
}
.callout.verify {
  border-left-color: var(--verify-border);
  background: var(--verify-bg);
  color: var(--verify-text);
}
.callout.reminder {
  border-left-color: var(--warn-border);
  background: var(--warn-bg);
  color: var(--warn-text);
}
.callout p:first-child { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-2) 0;
}
caption {
  text-align: left;
  font-weight: 600;
  margin-bottom: var(--space-1);
}
th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { font-weight: 700; }

details.step-explain {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0.4rem 0 var(--space-1) calc(1.4rem + 0.7rem);
  background: var(--bg-raised);
}
details.step-explain > summary {
  min-height: var(--touch-min);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  color: var(--text-muted);
  font-size: 0.95rem;
}
details.step-explain > summary::-webkit-details-marker { display: none; }
details.step-explain > summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem; height: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  flex: none;
  font-weight: 700;
}
details.step-explain[open] > summary::before { content: "\2212"; }
details.step-explain p {
  padding: 0 0.9rem 0.9rem calc(0.8rem + 1.4rem + 0.6rem);
  margin: 0;
  color: var(--text-muted);
}

details.section-toggle {
  margin-left: 0;
  margin-top: var(--space-2);
}
details.section-toggle > summary { color: var(--text); font-size: 1rem; }
details.section-toggle > * :not(summary) { padding-left: 0.8rem; }

/* ---------- Guide pages ---------- */

details.guide-toc {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  margin-bottom: var(--space-2);
}
details.guide-toc > summary {
  min-height: var(--touch-min);
  display: flex;
  align-items: center;
  padding: 0.6rem 0.9rem;
  cursor: pointer;
  font-weight: 700;
}
details.guide-toc ol {
  margin: 0;
  padding: 0 1rem 0.8rem 2.2rem;
}
details.guide-toc li[aria-current="page"] a {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

nav.guide-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}
nav.guide-pager a {
  display: inline-flex;
  align-items: center;
  min-height: var(--touch-min);
  font-weight: 600;
}

dl.card dt {
  font-weight: 700;
  margin-top: var(--space-2);
}
dl.card dt:first-child { margin-top: 0; }
dl.card dd {
  margin: 0.2rem 0 0;
}

.step-check {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  min-height: var(--touch-min);
}
.step-check input[type="checkbox"] {
  width: 1.4rem; height: 1.4rem;
  margin-top: 0.15rem;
  flex: none;
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-3) var(--space-2);
  color: var(--text-muted);
  font-size: 0.9rem;
}
footer.site-footer a { color: inherit; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (min-width: 700px) {
  main { padding-left: 0; padding-right: 0; }
  h1 { font-size: 2.3rem; }
}

/* ---------- Tracker-specific ---------- */

.text-muted { color: var(--text-muted); }
.visually-hidden-note { font-size: 0.9rem; }

.field-label {
  display: block;
  font-weight: 600;
  margin: var(--space-2) 0 0.25rem;
}
.text-input {
  display: block;
  width: 100%;
  min-height: var(--touch-min);
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}
.text-input.number-input { width: 7rem; }

.points-grid {
  display: grid;
  gap: var(--space-1);
  margin: var(--space-2) 0;
}
.points-option {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 3.2rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  cursor: pointer;
}
.points-option:has(input:checked) {
  border-color: var(--accent);
  outline: 2px solid var(--accent);
}
.points-option input { width: 1.3rem; height: 1.3rem; flex: none; }
.points-option-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex: 1;
}
.points-value { font-weight: 700; font-size: 1.05rem; }

.radio-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: var(--touch-min);
}
.radio-row input { width: 1.3rem; height: 1.3rem; flex: none; }

.chip.verify {
  color: var(--verify-border);
  background: var(--verify-bg);
}

.hud {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  margin: var(--space-2) 0;
}
@media (min-width: 500px) {
  .hud { grid-template-columns: repeat(3, 1fr); }
}
.hud-round, .hud-player {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  padding: 0.6rem 0.8rem;
}
.hud-player-active { border-color: var(--accent); outline: 2px solid var(--accent); }
.hud-label { display: block; font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.hud-value { display: block; font-size: 1.3rem; font-weight: 700; }
.hud-sub { display: block; font-size: 0.85rem; color: var(--text-muted); }

.phase-progress {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.phase-dot { padding: 0.15rem 0.5rem; border-radius: 999px; border: 1px solid var(--border); }
.phase-dot.active { border-color: var(--accent); color: var(--accent); font-weight: 700; }

.phase-steps { margin: var(--space-2) 0; }
.step-item { margin: var(--space-1) 0; }
.reminder-tag {
  margin: 0 0 0.35rem;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.repeat-note {
  margin: 0.2rem 0 0 calc(1.4rem + 0.7rem);
  font-size: 0.9rem;
}

.score-editor {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-1) var(--space-2);
  margin: var(--space-1) 0;
}
.score-editor legend { font-weight: 700; padding: 0 0.3rem; }