/* Site chrome shared by every page: header, menu, article, cards, footer.
   Everything is prefixed sf- (and --sf-) so it never collides with the
   per-game stylesheets, which use generic names like .title and --bg. */

:root {
  --sf-header-h: 68px;
  --sf-bg: #faf8ef;
  --sf-ink: #5b4d3f;
  --sf-ink-soft: #6d6358;
  --sf-surface: #ede4d6;
  --sf-surface-hover: #e3d7c5;
  --sf-card: #fffdf8;
  --sf-border: #e6dccb;
  --sf-accent: #8f7a66;
  --sf-accent-dark: #6f5b4a;
  --sf-on-accent: #ffffff;
  --sf-gold: #edc22e;
  --sf-shadow: 0 10px 30px rgba(94, 76, 58, 0.16);
  --sf-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

:root[data-theme="dark"] {
  --sf-bg: #1b1917;
  --sf-ink: #f2ece2;
  --sf-ink-soft: #b7ada0;
  --sf-surface: #2c2823;
  --sf-surface-hover: #37312a;
  --sf-card: #23201c;
  --sf-border: #3a342d;
  --sf-accent: #a08870;
  --sf-accent-dark: #7a6450;
  --sf-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 12px;
}

body.sf {
  margin: 0;
  min-height: 100vh;
  background: var(--sf-bg);
  color: var(--sf-ink);
  font-family: var(--sf-font);
  -webkit-tap-highlight-color: transparent;
  display: flex;
  flex-direction: column;
}

.sf a { color: var(--sf-accent-dark); }
/* Only in-text links get the warm dark-mode link color; buttons, menu and
   footer links keep their own colors. */
:root[data-theme="dark"] .sf-article a { color: #d8b992; }

.sf-icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

/* ---------- Header ---------- */

.sf-header {
  height: var(--sf-header-h);
  flex-shrink: 0;
  position: relative;
  z-index: 50;
}

.sf-header-inner {
  max-width: 1100px;
  height: 100%;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sf-brand {
  position: relative;
}

.sf-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: none;
  background: var(--sf-surface);
  color: var(--sf-accent-dark);
  border-radius: 12px;
  padding: 6px 14px 6px 12px;
  font: 800 30px/1 var(--sf-font);
  letter-spacing: 0.5px;
  cursor: pointer;
  touch-action: manipulation;
}

:root[data-theme="dark"] .sf-logo { color: var(--sf-ink); }

.sf-logo:hover,
.sf-logo[aria-expanded="true"] {
  background: var(--sf-surface-hover);
}

.sf-logo .sf-icon { font-size: 22px; }

.sf-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sf-btn,
.sf-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 10px;
  font: 700 15px/1 var(--sf-font);
  padding: 11px 16px;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  touch-action: manipulation;
}

.sf .sf-btn {
  border: 2px solid var(--sf-accent-dark);
  background: var(--sf-accent-dark);
  color: var(--sf-on-accent);
}

.sf .sf-btn:hover { background: var(--sf-accent); border-color: var(--sf-accent); }

.sf .sf-btn-outline {
  border: 2px solid var(--sf-accent);
  background: var(--sf-card);
  color: var(--sf-accent-dark);
}

:root[data-theme="dark"] .sf .sf-btn-outline { color: var(--sf-ink); }

.sf .sf-btn-outline:hover { background: var(--sf-surface); }

.sf-btn-outline .sf-icon { font-size: 17px; }

/* ---------- Dropdown menu ---------- */

.sf-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: min(320px, calc(100vw - 32px));
  background: var(--sf-surface);
  border-radius: 14px;
  box-shadow: var(--sf-shadow);
  padding: 8px;
  z-index: 60;
}

.sf-menu[hidden] { display: none; }

.sf-menu-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
}

.sf .sf-menu-item { color: var(--sf-ink); }

.sf-menu-item:hover { background: var(--sf-surface-hover); }

.sf-menu-item[aria-current="page"] {
  background: var(--sf-accent-dark);
}

.sf .sf-menu-item[aria-current="page"],
.sf .sf-menu-item[aria-current="page"] small { color: #fff; }

.sf-menu-item .sf-icon {
  font-size: 20px;
  margin-top: 1px;
  color: var(--sf-accent-dark);
}

:root[data-theme="dark"] .sf-menu-item .sf-icon { color: #d8b992; }

.sf-menu-item[aria-current="page"] .sf-icon { color: #fff; }

.sf-menu-item b {
  display: block;
  font-size: 16px;
}

.sf-menu-item small {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  color: var(--sf-ink-soft);
}

.sf-menu-sep {
  height: 1px;
  background: var(--sf-border);
  margin: 8px 6px;
}

.sf-menu-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 10px;
  padding: 4px 12px 6px;
}

.sf .sf-menu-links a {
  font-size: 13px;
  color: var(--sf-ink-soft);
  text-decoration: none;
  padding: 5px 0;
}

.sf .sf-menu-links a:hover { color: var(--sf-ink); }

/* ---------- Game stage ----------
   Exactly one screen tall (minus the header) so the game looks and plays
   like a full-screen app; the article simply starts below the fold. */

.sf-stage {
  height: calc(100vh - var(--sf-header-h));
  /* On tall portrait phones the board is width-bound, so a full-height stage
     would leave big empty bands around it — cap the height at roughly what a
     full-width board plus its score/button rows needs (108vw covers the
     slightly-taller-than-wide hex board). */
  height: min(calc(100svh - var(--sf-header-h)), calc(108vw + 170px));
  min-height: 340px;
  display: flex;
  justify-content: center;
}

.sf-stage > .app {
  height: 100%;
  margin: 0 auto;
}

.sf-scroll-hint {
  display: flex;
  justify-content: center;
  margin: -6px 0 8px;
}

.sf .sf-scroll-hint a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sf-ink-soft);
  text-decoration: none;
}

.sf .sf-scroll-hint a:hover { color: var(--sf-ink); }

/* ---------- Main content ---------- */

.sf-main {
  flex: 1 0 auto;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 8px 16px 48px;
}

.sf-article {
  max-width: 800px;
  margin: 0 auto;
  background: var(--sf-card);
  border: 1px solid var(--sf-border);
  border-radius: 18px;
  padding: clamp(22px, 5vw, 44px) clamp(18px, 5vw, 52px);
  font-size: 17px;
  line-height: 1.75;
}

.sf-article h1 {
  font-size: clamp(28px, 5vw, 38px);
  line-height: 1.2;
  margin: 0 0 16px;
  font-weight: 800;
}

.sf-article h2 {
  font-size: clamp(22px, 3.6vw, 27px);
  line-height: 1.3;
  margin: 40px 0 12px;
  font-weight: 800;
}

.sf-article h3 {
  font-size: 19px;
  margin: 28px 0 8px;
  font-weight: 700;
}

.sf-article p,
.sf-article ul,
.sf-article ol { margin: 0 0 16px; }

.sf-article li { margin: 6px 0; }

.sf-article .sf-lead {
  font-size: 19px;
  color: var(--sf-ink-soft);
}

.sf-article img { max-width: 100%; height: auto; border-radius: 12px; }

.sf-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 16px;
  font-size: 15px;
}

.sf-article th,
.sf-article td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border-bottom: 1px solid var(--sf-border);
}

.sf-article thead th {
  background: var(--sf-surface);
}

.sf-article tbody td:first-child {
  font-weight: 700;
  width: 32%;
}

.sf-article details {
  border: 1px solid var(--sf-border);
  border-radius: 12px;
  padding: 12px 16px;
  margin: 0 0 10px;
}

.sf-article summary {
  font-weight: 700;
  cursor: pointer;
}

.sf-article details p { margin: 10px 0 0; }

.sf-kbd {
  display: inline-block;
  min-width: 28px;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid var(--sf-border);
  border-bottom-width: 3px;
  background: var(--sf-bg);
  font: 700 14px/1.4 var(--sf-font);
  text-align: center;
}

.sf-placeholder {
  border: 2px dashed var(--sf-accent);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--sf-ink-soft);
  margin: 0 0 20px;
}

/* ---------- Section title (category page, "you may also like") ---------- */

.sf-section-title {
  text-align: center;
  margin: 28px 0 8px;
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sf-section-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  border-radius: 2px;
  background: var(--sf-accent);
  margin: 12px auto 0;
}

.sf-section-sub {
  text-align: center;
  max-width: 620px;
  margin: 12px auto 28px;
  color: var(--sf-ink-soft);
  font-size: 17px;
  line-height: 1.6;
}

.sf-related { margin-top: 48px; }

.sf-related .sf-section-title { font-size: clamp(22px, 4vw, 28px); }

/* ---------- Game cards ---------- */

/* Fixed-width columns centered as a group, so a short row of games sits in
   the middle of the page instead of hugging the left edge. */
.sf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 240px));
  justify-content: center;
  gap: 20px;
}

@media (max-width: 560px) {
  .sf-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .sf-card-body { padding: 12px 12px 14px; }
  .sf-card-title { font-size: 17px; }
  .sf-card-desc { font-size: 14px; margin-bottom: 12px; }
  .sf-card-play { padding: 8px; font-size: 14px; }
}

.sf-card {
  display: flex;
  flex-direction: column;
  background: var(--sf-card);
  border: 1px solid var(--sf-border);
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.sf .sf-card { color: var(--sf-ink); }

.sf-card:hover {
  transform: translateY(-3px);
  border-color: var(--sf-accent);
  box-shadow: var(--sf-shadow);
}

.sf-card-thumb {
  aspect-ratio: 4 / 3;
  background: var(--sf-surface);
  display: block;
}

.sf-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sf-card-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sf-card-title {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 4px;
}

.sf-card-desc {
  font-size: 15px;
  line-height: 1.5;
  color: var(--sf-ink-soft);
  margin: 0 0 16px;
  flex: 1;
}

.sf-card-play {
  display: block;
  text-align: center;
  border: 2px solid var(--sf-accent);
  border-radius: 10px;
  padding: 10px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--sf-accent-dark);
  transition: background 0.15s ease, color 0.15s ease;
}

:root[data-theme="dark"] .sf-card-play { color: var(--sf-ink); }

.sf-card:hover .sf-card-play {
  background: var(--sf-accent);
  color: #fff;
}

.sf-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--sf-gold);
  color: #4a3b1c;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 999px;
}

/* ---------- Plain pages (about, privacy) ---------- */

.sf-page-head {
  text-align: center;
  padding: 16px 0 8px;
}

/* ---------- Footer ---------- */

.sf-footer {
  border-top: 1px solid var(--sf-border);
  padding: 22px 16px 28px;
  text-align: center;
  font-size: 14px;
  color: var(--sf-ink-soft);
}

.sf-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 20px;
  margin-bottom: 10px;
}

.sf .sf-footer a {
  color: var(--sf-ink-soft);
  text-decoration: none;
}

.sf .sf-footer a:hover { color: var(--sf-ink); text-decoration: underline; }

.sf-footer p { margin: 0; }

/* ---------- Small screens ---------- */

@media (max-width: 560px) {
  :root { --sf-header-h: 60px; }
  .sf-header-inner { padding: 0 12px; gap: 8px; }
  .sf-logo { font-size: 24px; padding: 6px 10px; gap: 8px; }
  .sf-logo .sf-icon { font-size: 18px; }
  .sf-actions { gap: 6px; }
  .sf-btn, .sf-btn-outline { font-size: 14px; padding: 9px 11px; gap: 6px; }
  .sf-hide-sm { display: none; }
}

@media (max-width: 360px) {
  .sf-logo { font-size: 20px; }
  .sf-btn, .sf-btn-outline { font-size: 13px; padding: 8px 9px; }
  .sf-btn-outline .sf-icon { display: none; }
}