/* ===========================================================================
   Theme tokens. "Dark" (grayscale) is the default and "Light" is its direct
   inversion - these two are always visible in the header. Everything else
   (Midnight/Vault/Paper) is a secondary, colored option tucked under the
   "..." menu. theme.js swaps the `data-theme` attribute on <html> and
   persists the choice.
   =========================================================================== */

:root,
:root[data-theme="dark"] {
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "Cascadia Mono", "Consolas", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --radius: 8px;
  --radius-lg: 14px;

  --bg: #0a0a0a;
  --bg-elevated: #151515;
  --bg-card: #1e1e1e;
  --border: #363636;
  --text: #eeeeee;
  --text-dim: #98989a;
  --accent: #e8e8e8;
  --accent-dim: #3a3a3a;
  --on-accent: #0a0a0a;
  --green: #8fd0a8;
  --on-green: #08170f;
  --yellow: #d0c98f;
  --orange: #d0ac8f;
  --red: #d09a9a;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.5);
}

:root[data-theme="light"] {
  --bg: #f1f1f1;
  --bg-elevated: #f8f8f8;
  --bg-card: #ffffff;
  --border: #dcdcdc;
  --text: #161616;
  --text-dim: #6c6c6c;
  --accent: #1a1a1a;
  --accent-dim: #d8d8d8;
  --on-accent: #f5f5f5;
  --green: #1f8f5f;
  --on-green: #f2fbf6;
  --yellow: #93690a;
  --orange: #ad5a19;
  --red: #b23a3a;
  --shadow-sm: 0 1px 3px rgba(20, 20, 20, 0.1);
  --shadow-md: 0 10px 28px rgba(20, 20, 20, 0.14);
}

:root[data-theme="paper"] {
  --bg: #eeece3;
  --bg-elevated: #f8f7f2;
  --bg-card: #ffffff;
  --border: #d5cfbd;
  --text: #201f1a;
  --text-dim: #66604f;
  --accent: #3654cf;
  --accent-dim: #ccd4f4;
  --on-accent: #f5f6fd;
  --green: #1f8f5f;
  --on-green: #f2fbf6;
  --yellow: #93690a;
  --orange: #ad5a19;
  --red: #b23a3a;
  --shadow-sm: 0 1px 3px rgba(40, 35, 20, 0.1);
  --shadow-md: 0 10px 28px rgba(40, 35, 20, 0.14);
}

:root[data-theme="vault"] {
  --bg: #120d08;
  --bg-elevated: #1b140c;
  --bg-card: #261c11;
  --border: #43301a;
  --text: #f0e4cc;
  --text-dim: #b3a181;
  --accent: #e0a83a;
  --accent-dim: #4a3b1c;
  --on-accent: #1a1206;
  --green: #8bb054;
  --on-green: #0c1607;
  --yellow: #e0a83a;
  --orange: #d9813c;
  --red: #cf5b45;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.55);
}

:root[data-theme="midnight"] {
  --bg: #0d0f16;
  --bg-elevated: #141826;
  --bg-card: #1b2032;
  --border: #2c3346;
  --text: #e7e9f0;
  --text-dim: #949ab0;
  --accent: #6c8cff;
  --accent-dim: #2c3660;
  --on-accent: #0a0c12;
  --green: #49c290;
  --on-green: #06180f;
  --yellow: #d9b84f;
  --orange: #d9904f;
  --red: #de6068;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.45);
}

/* ===========================================================================
   Base
   =========================================================================== */

* { box-sizing: border-box; }

/* Belt-and-suspenders: the native `hidden` attribute must always win over any
   component's own `display` rule, no matter its selector specificity. */
[hidden] { display: none !important; }

html {
  color-scheme: light dark;
  height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-sans);
  height: 100%;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1100px 550px at 50% -14%, color-mix(in srgb, var(--accent) 13%, transparent) 0%, transparent 65%),
    var(--bg);
  transition: background-color 0.2s ease;
}

a { color: var(--accent); }

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

button { font-family: inherit; }

.btn {
  display: inline-block;
  font: inherit;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: var(--radius);
  padding: 9px 16px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s ease, opacity 0.15s ease, transform 0.1s ease;
}

.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-ghost { background: transparent; }

.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ===========================================================================
   Shared site bar (title + theme picker + sound toggle), used on every page
   =========================================================================== */

.site-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 32px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.site-bar-title h1 {
  margin: 0 0 4px;
  font-size: 1.5rem;
}

.site-bar-title p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.back-link {
  font-size: 0.8rem;
  text-decoration: none;
  color: var(--text-dim);
  transition: color 0.15s ease;
}

.back-link:hover { color: var(--accent); }

.nav-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 16px;
  transition: border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.nav-link:hover { border-color: var(--accent); color: var(--accent); }
.nav-link:active { transform: scale(0.96); }

.game-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.game-title-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.game-title h1 { margin: 0; }

.site-bar-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.icon-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.icon-btn:hover { border-color: var(--accent); }
.icon-btn:active { transform: scale(0.92); }

.theme-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.theme-swatch {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  background: var(--swatch-bg);
  box-shadow: inset 0 0 0 1px var(--border);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.theme-swatch:hover { transform: scale(1.15); }

.theme-swatch[aria-pressed="true"] {
  border-color: var(--text-dim);
}

.theme-more-wrap { position: relative; }

.theme-more-btn {
  font-size: 1.2rem;
  line-height: 1;
  color: var(--text-dim);
  letter-spacing: -1px;
}

.theme-more-btn.active { border-color: var(--accent); color: var(--accent); }

.theme-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 150px;
  z-index: 50;
}

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

.theme-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  border-radius: calc(var(--radius) - 2px);
  padding: 7px 10px;
  font: inherit;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.theme-menu-item:hover { background: var(--bg-elevated); }

.theme-menu-item .theme-swatch {
  pointer-events: none;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ===========================================================================
   Landing page
   =========================================================================== */

.game-grid {
  flex: 1;
  align-content: start;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  padding: 30px 32px;
}

.game-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  display: block;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

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

.game-card .card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.game-card .card-top img {
  width: 36px;
  height: 36px;
}

.game-card h2 {
  margin: 0;
  font-size: 1.15rem;
}

.game-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.5;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
}

.game-card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  padding: 3px 10px;
}

.game-card .tag.tag-muted {
  color: var(--text-dim);
  border-color: var(--border);
}

.play-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--on-accent);
  background: var(--accent);
  border-radius: 999px;
  padding: 5px 12px;
}

.game-card-disabled {
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: none;
  cursor: default;
}

.game-card-disabled:hover {
  transform: none;
  border-color: var(--border);
  box-shadow: none;
}

.game-card-disabled h2,
.game-card-disabled p {
  color: var(--text-dim);
}

.card-icon-placeholder {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border);
  border-radius: 50%;
  color: var(--text-dim);
  font-size: 1.1rem;
}

/* ===========================================================================
   Site footer: a plain centered bottom bar, landing page only.
   =========================================================================== */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 12px 32px;
}

.footer-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 4px 8px;
  text-align: center;
}

.footer-legal,
.footer-credits {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.footer-legal::after,
.footer-credits::after {
  content: "\2022";
  margin-left: 8px;
  color: var(--border);
}

.footer-fine-print {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===========================================================================
   Accordion (used by the Q&A page)
   =========================================================================== */

.page-content {
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
  padding: 30px 32px 60px;
}

.page-content > p {
  color: var(--text-dim);
  line-height: 1.55;
}

.accordion-list details {
  border-top: 1px solid var(--border);
  padding: 12px 0;
}

.accordion-list details:last-child { padding-bottom: 0; }

.accordion-list summary {
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  list-style: none;
}

.accordion-list summary::-webkit-details-marker { display: none; }

.accordion-list summary::before {
  content: "+";
  display: inline-block;
  width: 16px;
  color: var(--accent);
  font-weight: 700;
}

.accordion-list details[open] summary::before { content: "\2212"; }

.accordion-list details p {
  margin: 8px 0 0 24px;
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.55;
}
