/* =============================================================================
   ui/site.css  —  Shared website chrome (header, footer, theme cards).
   Pairs with ui/wsa.css (the game itself). Vanilla CSS.
============================================================================= */
body {
  margin: 0;
  background: var(--wsa-bg, #f4f7fb);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--wsa-ink, #1f2a37);
  overflow-x: hidden;          /* belt-and-braces: never allow sideways scroll */
  padding-bottom: 84px;        /* clearance so the floating Appearance button never covers content */
}

.site-header {
  max-width: 960px; margin: 0 auto; padding: 12px 16px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px 16px;
}
.site-hub {
  font-weight: 700; text-decoration: none; color: var(--wsa-ink, #1f2a37);
  display: inline-flex; align-items: center; gap: 6px;
}
.site-hub:hover { text-decoration: underline; }
.site-brand { font-weight: 800; font-size: 1.2rem; text-decoration: none; color: inherit; white-space: nowrap; }
/* three-zone layout once there's room: hub left · title centre · nav right.
   (Below this width the header wraps into tidy centred rows instead.) */
@media (min-width: 900px) {
  .site-header { display: grid; grid-template-columns: 1fr auto 1fr; column-gap: 16px; }
  .site-hub { justify-self: start; }
  .site-brand { justify-self: center; }
  .site-nav { justify-self: end; }
}
.site-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; }
.site-nav a { text-decoration: none; color: var(--wsa-accent, #3a86ff); font-weight: 600; white-space: nowrap; }
.site-nav a:hover { text-decoration: underline; }
/* Appearance / Scores triggers styled to match the nav links */
.site-nav-ax {
  border: 0; background: transparent; cursor: pointer;
  font: inherit; font-weight: 600; color: var(--wsa-accent, #3a86ff);
  padding: 0; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.site-nav-ax:hover { text-decoration: underline; }
.site-nav-ax:focus-visible { outline: 3px solid var(--wsa-accent, #3a86ff); outline-offset: 2px; }

/* compact header on phones to free vertical space for the grid */
@media (max-width: 760px) {
  .site-header { padding: 8px 12px; gap: 8px 14px; }
  .site-brand { font-size: 1.05rem; }
  .site-nav { gap: 14px; }
  /* Smaller, tighter hero so the puzzle list shows higher up the phone screen. */
  .site-hero { padding: 4px 16px 2px; }
  .site-hero h1 { font-size: 1.4rem; margin: .1em 0; }
  .site-hero p { font-size: .9rem; line-height: 1.4; margin-top: 4px; }
}

/* Phone: tighter gaps near the bottom; the advert itself sizes responsively. */
@media (max-width: 640px) {
  .ad-slot { margin-top: 16px; }
  .site-footer { margin-top: 22px; padding: 14px 16px 24px; }
}

.site-footer {
  max-width: 960px; margin: 40px auto 0; padding: 18px 16px 40px;
  border-top: 1px solid var(--wsa-line, #d9e1ea);
  color: var(--wsa-muted, #5b6b7b); font-size: .9rem; text-align: center;
}
/* Shown on the main page only (the shared footer no longer carries it). */
.site-disclosure {
  max-width: 960px; margin: 24px auto 0; padding: 0 16px;
  text-align: center; color: var(--wsa-muted); font-size: .85rem;
}
.site-footer a { color: inherit; }

/* --- landing hero + theme grid --- */
.site-hero { max-width: 960px; margin: 0 auto; padding: 8px 16px 4px; text-align: center; }
.site-hero h1 { font-size: clamp(1.6rem, 6vw, 2.4rem); margin: .2em 0; }
.site-hero p { color: var(--wsa-muted, #5b6b7b); max-width: 640px; margin: 0 auto; }
.hero-sub-mobile { display: none; }   /* shown only on phones (see media query) */

/* --- category menu + breadcrumb + browse pages --- */
.site-menu {
  max-width: 960px; margin: 16px auto 0; padding: 0 16px;
  display: flex; flex-wrap: wrap; gap: 8px 10px; justify-content: center;
}
/* Collapsible chip bar: first row by default + a "Show all categories" toggle.
   Chips stay in the DOM (SEO); only visibility changes. (site/menu.js wires it.) */
.site-menu-wrap { max-width: 960px; margin: 16px auto 0; padding: 0 16px; text-align: center; }
.site-menu-wrap .site-menu { margin: 0; padding: 0; max-width: none; }
.site-menu-wrap.is-collapsed .site-menu { max-height: 2.4em; overflow: hidden; }   /* ~one row */
.site-menu-toggle {
  display: none; margin: 8px auto 0; cursor: pointer; font: inherit; font-weight: 600;
  color: var(--wsa-accent, #3a86ff); background: transparent; border: 0; padding: 4px 10px; border-radius: 999px;
}
.site-menu-toggle:hover { text-decoration: underline; }
.site-menu-wrap.js-menu .site-menu-toggle { display: block; }   /* shown only once JS is active */
.site-menu-link {
  text-decoration: none; color: var(--wsa-accent, #3a86ff); font-weight: 600;
  padding: 6px 12px; border-radius: 999px; border: 1px solid var(--wsa-line, #d9e1ea);
}
.site-menu-link:hover { text-decoration: underline; }
.site-menu-link.is-active { background: var(--wsa-accent, #3a86ff); color: var(--wsa-accent-ink, #fff); border-color: transparent; }

/* Phones: the chip row wraps into many tall rows and pushes the game cards off
   the screen, so below a small width we hide the chips and show a compact
   category dropdown instead. */
.site-menu-mobile { display: none; max-width: 960px; margin: 16px auto 0; padding: 0 16px; align-items: center; gap: 10px; }
.site-menu-mobile-label { font-weight: 600; color: var(--wsa-muted, #5b6b7b); }
.site-menu-select {
  flex: 1; min-height: 42px; box-sizing: border-box; padding: 8px 12px; font: inherit;
  color: var(--wsa-ink, #1f2a37); background: var(--wsa-surface, #fff);
  border: 1px solid var(--wsa-line, #d9e1ea); border-radius: 10px;
}
@media (max-width: 640px) {
  .site-menu-wrap { display: none; }
  .site-menu-mobile { display: flex; }
}

/* Site-wide "Play in …" language selector (home + category pages) */
.wsa-lang-zone { max-width: 960px; margin: 12px auto 0; padding: 0 16px; text-align: center; }
.wsa-lang-label { font-weight: 600; color: var(--wsa-muted, #5b6b7b); display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center; }
.wsa-lang-zone .wsa-lang-label { margin: 4px 12px; }
.wsa-lang-select { font: inherit; padding: 6px 10px; min-height: 42px; box-sizing: border-box; border: 1px solid var(--wsa-line, #d9e1ea); border-radius: 8px; background: var(--wsa-surface, #fff); color: var(--wsa-ink, #1f2a37); }

/* Smartphone: short marketing subtitle, and both language selectors on ONE row
   (each shown as a compact label-over-select column). */
@media (max-width: 640px) {
  .hero-sub-desktop { display: none; }
  .hero-sub-mobile { display: block; }
  .wsa-lang-zone { display: flex; flex-wrap: nowrap; justify-content: center; align-items: flex-start; gap: 10px; }
  .wsa-lang-zone .wsa-lang-label { margin: 0; flex: 1 1 0; min-width: 0; flex-direction: column; align-items: stretch; gap: 4px; font-size: .82rem; text-align: center; }
  .wsa-lang-zone .wsa-lang-select { width: 100%; }
}

.breadcrumb {
  max-width: 960px; margin: 14px auto 0; padding: 0 16px;
  color: var(--wsa-muted, #5b6b7b); font-size: .9rem;
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.breadcrumb a { color: var(--wsa-accent, #3a86ff); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { color: var(--wsa-muted, #5b6b7b); }

.browse { max-width: 960px; margin: 0 auto; }
.browse-title { max-width: 960px; margin: 18px auto 10px; padding: 0 16px; font-size: 1.3rem; }

/* --- info modal (footer Privacy etc.) --- */
.wsa-info-backdrop {
  position: fixed; inset: 0; z-index: 9500; display: none;
  align-items: center; justify-content: center;
  background: rgba(17, 22, 28, .55); padding: 16px;
}
.wsa-info-backdrop.is-open { display: flex; }
.wsa-info-panel {
  position: relative; max-width: 560px; width: 100%; max-height: 85vh; overflow: auto;
  background: var(--wsa-surface, #fff); color: var(--wsa-ink, #1f2a37);
  border-radius: 16px; box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
  padding: 24px 26px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  text-align: left;
}
.wsa-info-close {
  position: absolute; top: 10px; right: 10px; width: 38px; height: 38px;
  border: 1px solid var(--wsa-line, #d9e1ea); border-radius: 10px;
  background: var(--wsa-surface, #fff); color: var(--wsa-ink, #1f2a37);
  font-size: 1.1rem; cursor: pointer;
}
.wsa-info-close:focus-visible { outline: 3px solid var(--wsa-accent, #3a86ff); outline-offset: 2px; }
.wsa-info-body h2 { margin: 0 6px 12px 0; font-size: 1.35rem; }
.wsa-info-body h3 { margin: 18px 0 6px; font-size: 1.05rem; }
.wsa-info-body p { margin: 0 0 10px; line-height: 1.55; color: var(--wsa-ink, #1f2a37); }

/* scores / stats modal content */
.wsa-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; margin: 4px 0 6px; }
.wsa-stat {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  background: var(--wsa-bg, #f4f7fb); border-radius: 12px; padding: 12px 8px;
}
.wsa-stat-n { font-size: 1.5rem; font-weight: 800; color: var(--wsa-accent, #3a86ff); }
.wsa-stat-l { font-size: .8rem; color: var(--wsa-muted, #5b6b7b); text-align: center; }
.wsa-stats-list { margin: 6px 0 0; padding-left: 18px; line-height: 1.7; }

/* --- returning-player welcome (landing page) --- */
.site-welcome { max-width: 640px; margin: 18px auto 0; }
.wsa-welcome-card {
  background: #fff; border-radius: 14px; padding: 16px 20px;
  box-shadow: 0 6px 22px rgba(31,42,55,.10); text-align: center;
}
.wsa-welcome-title { margin: 0 0 6px; font-size: 1.2rem; }
.wsa-welcome-sub { margin: 0; color: var(--wsa-muted, #5b6b7b); }
.wsa-privacy-note { margin: 16px 0 0; padding-top: 12px; border-top: 1px solid var(--wsa-line, #e2e8f0); font-size: .9rem; line-height: 1.4; color: var(--wsa-muted, #5b6b7b); text-align: center; }
.wsa-welcome-streak { margin: 8px 0 0; font-weight: 700; color: var(--wsa-accent, #3a86ff); }
.wsa-welcome-best { margin: 6px 0 0; color: var(--wsa-muted, #5b6b7b); font-size: .9rem; }
.wsa-welcome-link {
  margin-top: 10px; border: 0; background: transparent; cursor: pointer;
  color: var(--wsa-accent, #3a86ff); font: inherit; font-size: .85rem; text-decoration: underline;
}
.wsa-welcome-form { display: flex; gap: 8px; justify-content: center; margin-top: 12px; flex-wrap: wrap; }
.wsa-welcome-input {
  font: inherit; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--wsa-line, #d9e1ea); min-width: 180px;
}

.theme-grid {
  max-width: 960px; margin: 24px auto; padding: 0 16px;
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.theme-card {
  display: flex; flex-direction: column; gap: 6px;
  background: #fff; border-radius: 14px; padding: 18px;
  box-shadow: 0 6px 22px rgba(31,42,55,.10);
  text-decoration: none; color: inherit;
  transition: transform .1s ease, box-shadow .15s ease;
}
.theme-card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(31,42,55,.16); }
.theme-card .emoji { font-size: 2rem; }
.theme-card .name { font-weight: 700; font-size: 1.1rem; }
.theme-card .desc { color: var(--wsa-muted, #5b6b7b); font-size: .9rem; }

/* --- theme play page --- */
.wsa-page { padding-top: 8px; }
/* The visible game already shows the theme name, so the page <h1> is kept for
   SEO / screen readers but hidden visually to avoid a duplicate heading. */
.visually-h1 {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.ad-slot {
  max-width: 960px; margin: 22px auto 0; padding: 0 16px;
  min-height: 90px; display: flex; align-items: center; justify-content: center;
  color: var(--wsa-muted, #5b6b7b);
}