:root {
  --bg: #0f1115;
  --fg: #f2f4f8;
  --muted: #b6bcc8;
  --accent: #4ea1ff;
  --card: #1a1e26;
  --border: #2a3040;
  --danger: #ff6b6b;
  --ok: #54d18c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Tahoma, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--fg);
}

a { color: var(--accent); }
/* Keyboard users get a clear focus ring; pointer users are not distracted by
   one on click. The :focus fallback covers browsers without :focus-visible. */
a:focus, button:focus, input:focus, select:focus, textarea:focus, [tabindex]:focus {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
a:focus:not(:focus-visible), button:focus:not(:focus-visible),
input:focus:not(:focus-visible), select:focus:not(:focus-visible),
textarea:focus:not(:focus-visible), [tabindex]:focus:not(:focus-visible) {
  outline: none;
}
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* Respect users who ask the OS to minimise motion. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

.skip-link {
  position: absolute;
  inset-inline-start: -9999px;
}
.skip-link:focus {
  inset-inline-start: 1rem;
  top: 1rem;
  background: var(--accent);
  color: #000;
  padding: .5rem 1rem;
  z-index: 100;
}

/* Hidden from sight but available to assistive tech (live regions, labels).
   .sr-only is a widely used alias for the same behaviour. */
.visually-hidden, .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

main:focus { outline: none; }

.site-header {
  background: var(--card);
  border-block-end: 1px solid var(--border);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 960px;
  margin: 0 auto;
  padding: .75rem 1rem;
}
.main-nav .brand { font-weight: 700; font-size: 1.25rem; }
.main-nav ul {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  margin-inline-start: auto;
}

.nav-toggle {
  display: none;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1.25rem;
  padding: .25rem .6rem;
  cursor: pointer;
  margin-inline-start: auto;
}

@media (max-width: 640px) {
  .nav-toggle { display: inline-block; }
  .main-nav ul {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    gap: .5rem;
    margin-inline-start: 0;
  }
  .main-nav ul.open { display: flex; }
}

.container { max-width: 960px; margin: 0 auto; padding: 1.5rem 1rem; }

.hero { padding: 2rem 0; }
.hero h1 { margin-block-start: 0; }
.lead { color: var(--muted); font-size: 1.15rem; }

.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #04101f;
  border: none;
  border-radius: 8px;
  padding: .6rem 1.2rem;
  min-height: 44px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.link-button {
  display: inline-block;
  background: transparent;
  color: var(--accent);
  border: none;
  padding: 0;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
}
.button-secondary { background: transparent; color: var(--fg); border: 1px solid var(--border); margin-inline-start: .5rem; }

.form { max-width: 420px; }
.form label { display: block; font-weight: 600; margin-block-end: .25rem; }
.form input[type=text], .form input[type=email], .form input[type=password],
.form input[type=number], .form select, .form textarea {
  width: 100%;
  padding: .6rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font-family: inherit;
}
.form textarea { resize: vertical; line-height: 1.6; }
.form .checkbox { display: flex; align-items: center; gap: .5rem; }
.form .checkbox label { margin: 0; }

.inline-form { display: inline; }

.flash, .error {
  max-width: 960px;
  margin: 1rem auto;
  padding: .75rem 1rem;
  border-radius: 8px;
}
.flash { background: rgba(84, 209, 140, .15); border: 1px solid var(--ok); }
.error { background: rgba(255, 107, 107, .15); border: 1px solid var(--danger); }

.token-list, .key-list, .game-list { list-style: none; padding: 0; }
.token-list li, .key-list li {
  padding: .5rem 0;
  border-block-end: 1px solid var(--border);
  display: flex;
  gap: .75rem;
  align-items: center;
  flex-wrap: wrap;
}
code {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: .1rem .4rem;
  border-radius: 5px;
  font-family: ui-monospace, monospace;
}
.hint { color: var(--muted); font-size: .95rem; }

.site-footer {
  border-block-start: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  padding: 1.5rem 1rem;
  margin-block-start: 2rem;
}
.footer-nav ul {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}
.notices:empty { display: none; }
.aria-current, [aria-current="page"] { font-weight: 700; text-decoration: underline; }

/* Definition lists used on profile/settings for label/value pairs. */
.data-list { display: grid; grid-template-columns: auto 1fr; gap: .35rem 1rem; }
.data-list dt { font-weight: 600; color: var(--muted); }
.data-list dd { margin: 0; }

section + section { margin-block-start: 2rem; }
fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 0 0 1.5rem;
}
legend { font-weight: 700; padding: 0 .5rem; }
.danger-zone { border-color: var(--danger); }
.button-danger { background: var(--danger); color: #1a0000; }

/* Collapsible disclosure sections (FAQ, reviews). The summary is a real
   button for keyboard and screen-reader users; we just restyle the marker. */
details {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  margin: 0 0 1rem;
}
details > summary {
  cursor: pointer;
  padding: .75rem 1rem;
  font-weight: 600;
  list-style: none;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::before {
  content: "\25B8"; /* ▸ */
  display: inline-block;
  margin-inline-end: .5rem;
  transition: transform .15s ease;
}
[dir="rtl"] details > summary::before { content: "\25C2"; } /* ◂ */
details[open] > summary::before { transform: rotate(90deg); }
details > *:not(summary) { padding-inline: 1rem; }
details > *:last-child { padding-block-end: 1rem; }
.faq-list summary { font-size: 1.05rem; }

/* Admin dashboard: stat cards as a definition list + navigation cards. */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 0 0 1.5rem;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}
.stat-card dt { color: var(--muted); font-size: .95rem; margin: 0; }
.stat-card dd {
  margin: .35rem 0 0;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
}
.stat-card-alert { border-color: var(--accent); }

.card-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.link-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}
.link-card h3 { margin: 0 0 .35rem; font-size: 1.15rem; }
.link-card p { margin: 0; color: var(--muted); }

/* Admin shell: persistent sidebar + content area, like a real control panel.
   New groups/links added to the sidebar partial flow in automatically. */
.admin-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.admin-sidebar {
  position: sticky;
  top: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}
.admin-sidebar ul { list-style: none; margin: 0; padding: 0; }
.admin-sidebar a {
  display: block;
  padding: .5rem .75rem;
  border-radius: 8px;
  color: var(--fg);
  text-decoration: none;
}
.admin-sidebar a:hover { background: var(--bg); }
.admin-sidebar a[aria-current="page"] {
  background: var(--accent);
  color: #00121f;
  font-weight: 700;
}
.admin-nav-group { margin-block-start: 1rem; }
.admin-nav-heading {
  display: block;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  margin: 0 0 .35rem;
  padding-inline: .75rem;
}
.admin-content { min-width: 0; }
.admin-nav-toggle { display: none; margin-block-end: 1rem; }

/* Rendered Markdown content for admin-editable pages. */
.page-content { line-height: 1.7; }
.page-content h2 { margin-block: 1.5rem .5rem; }
.page-content ul, .page-content ol { padding-inline-start: 1.5rem; }
.page-content pre {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
}

@media (max-width: 720px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-nav-toggle { display: inline-block; }
  .admin-sidebar { display: none; position: static; }
  .admin-sidebar.open { display: block; }
}

/* Admin data table (users management): accessible, WordPress-style grid with
   row selection and bulk actions. */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 1rem;
}
.data-table caption {
  text-align: start;
  color: var(--muted);
  margin-block-end: .5rem;
}
.data-table th, .data-table td {
  border: 1px solid var(--border);
  padding: .55rem .75rem;
  text-align: start;
  vertical-align: middle;
}
.data-table thead th, .data-table tfoot th, .data-table tfoot td {
  background: var(--card);
}
.data-table tbody tr:hover { background: var(--card); }
.data-table input[type="checkbox"] { width: 1.15rem; height: 1.15rem; }

.bulk-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-block: 1rem;
}
.bulk-email {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-block: 1rem;
}
.bulk-email legend { padding-inline: .35rem; font-weight: 700; }
.radio-row { display: flex; align-items: center; gap: .5rem; }

/* Inline action buttons grouped inside a table cell. */
.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
}

/* Show/hide password toggle injected after every password field. Styled as a
   small inline button; aria-pressed conveys its state to screen readers. */
.pw-toggle {
  display: inline-block;
  margin-block-start: .35rem;
  padding: .25rem .6rem;
  font-size: .85rem;
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}
.pw-toggle:hover { background: var(--bg); }
.pw-toggle[aria-pressed="true"] {
  border-color: var(--accent);
  font-weight: 700;
}