/* Rules for the individual pages of this site. Loaded after /css/site.css,
   which holds the tokens and shared components. Every rule is scoped to a
   class of the page's own, so nothing here leaks into another page.

   Like site.css, this file never sets a cursor. Resize handles are the only
   exception allowed, and this site has none. */

/* ---------- Shell extras ---------- */

a.brand { color: var(--text); text-decoration: none; }

/* Entrance. cursor.css sets an !important animation on hover, which knocks out
   an element's own animation and lets it replay on mouse leave. Once the intro
   has run, the router adds .intro-done so nothing can restart it. */
.reveal:not(.intro-done) { animation: rise 0.6s cubic-bezier(0.2, 0.7, 0.3, 1) backwards; }
.reveal:not(.intro-done).delayed { animation-delay: 0.12s; }
@keyframes rise { from { opacity: 0; transform: translate3d(0, 14px, 0); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .reveal:not(.intro-done) { animation: none; }
}

/* ---------- Home ---------- */

.quote { max-width: min(820px, 100%); margin: 0; padding: 0 0 0 0.55em; }
.quote blockquote {
  margin: 0; font: 650 clamp(1.7rem, 4.2vw, 3.1rem) / 1.2 var(--font-display);
  letter-spacing: -0.025em; text-wrap: balance;
}
/* Break where the quote breaks, but only when there is room for it. */
@media (max-width: 620px) { .quote br { display: none; } }
/* The opening mark hangs outside the text block so the first line stays
   optically flush with the attribution below it. */
.quote blockquote::before {
  content: "\201C"; position: absolute; margin-left: -0.55em; color: var(--accent-ink);
}
.quote figcaption { margin: 22px 0 0; color: var(--muted); }

/* ---------- Apps ---------- */

.page-apps .app-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 16px; }
.page-apps a.app-card {
  display: block; margin: 0; color: var(--text); text-decoration: none;
  transition: border-color 0.12s, background 0.12s;
}
.page-apps a.app-card:hover { border-color: var(--accent); background: var(--accent-soft); }
.page-apps .app-card h2 { margin-bottom: 6px; }
.page-apps .app-card p { margin: 0; color: var(--muted); max-width: 64ch; }
.page-apps .app-card .go { display: inline-block; margin-top: 14px; font-weight: 600; color: var(--accent-ink); }
@media (prefers-reduced-motion: reduce) { .page-apps a.app-card { transition: none; } }

/* ---------- LetterMouse ---------- */

.page-game { max-width: 860px; }
.page-game .lm-bar { margin: 0 0 14px; }
.page-game .lm-bar .tb-label { font-weight: 500; margin: 0; }
.page-game .lm-fs[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }

.page-game .lm-stage {
  aspect-ratio: 9 / 16;
  max-width: 90vh;
  max-height: 90vh;
  width: auto;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #251b1a;
}
.page-game .lm-stage iframe { display: block; width: 100%; height: 100%; border: 0; }

/* Real fullscreen. The stage is already sized by the browser here, so this
   only strips the framing back off. */
.page-game .lm-stage:fullscreen { margin: 0; height: 100%; border: 0; border-radius: 0; }

/* The stand-in, used where the Fullscreen API is missing or refused. It sits
   above the rail and the theme button. */
.page-game .lm-stage.lm-faux {
  position: fixed; inset: 0; z-index: 150; margin: 0; max-width: none; max-height: none;
  height: auto; border: 0; border-radius: 0;
}
body:has(.lm-faux) .theme-float { display: none; }

/* ---------- Adblocking ---------- */

.page-adblocking { max-width: 960px; }
.page-adblocking .wrap { max-width: none; }

/* Masthead */
.page-adblocking h1 em { font-style: normal; color: var(--accent-ink); }
.page-adblocking .standfirst { margin-bottom: 14px; }
.page-adblocking .meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }
.page-adblocking .meta span {
  padding: 3px 11px; border-radius: 999px; border: 1px solid var(--border); background: var(--code);
  font-size: 0.82rem; color: var(--muted);
}

/* Jump bar: a floating toolbar that stays at the top while the page scrolls.
   The surface is solid (--raised) because text scrolls underneath it. */
.page-adblocking nav.jump {
  position: sticky; top: 10px; z-index: 20; margin: 0 0 16px; padding: 4px;
  background: var(--raised); border: 1px solid var(--border-strong); border-radius: var(--r-md);
  box-shadow: var(--shadow);
}
.page-adblocking nav.jump .wrap { padding: 0; }
.page-adblocking nav.jump ol {
  list-style: none; margin: 0; padding: 0; display: flex; gap: 2px;
  overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none;
}
.page-adblocking nav.jump ol::-webkit-scrollbar { display: none; }
.page-adblocking nav.jump li { margin: 0; }
.page-adblocking nav.jump a {
  display: flex; align-items: center; min-height: 36px; padding: 4px 12px; white-space: nowrap;
  font-size: 0.88rem; font-weight: 500; text-decoration: none; color: var(--muted);
  border-radius: var(--r-sm); touch-action: manipulation;
}
/* Hover only where there is a real pointer. On touch, a hover rule here makes
   the first tap apply the style instead of following the link. */
@media (hover: hover) and (pointer: fine) {
  .page-adblocking nav.jump a:hover { background: var(--accent-soft); color: var(--text); }
}
.page-adblocking nav.jump a.active { background: var(--accent-soft); color: var(--accent-ink); font-weight: 650; }
@media (min-width: 861px) { .page-adblocking nav.jump { margin-right: 54px; } }
@media (max-width: 860px) { .page-adblocking nav.jump { top: 66px; } }

/* Sections are cards */
.page-adblocking section.card { padding: 22px 24px 20px; scroll-margin-top: 80px; }
.page-adblocking .sec-head { margin-bottom: 4px; }
.page-adblocking section > .sec-head h2 { font-size: 1.35rem; margin: 0 0 6px; }
.page-adblocking h3 { font-size: 1.05rem; margin: 26px 0 8px; }
.page-adblocking h4 { font-size: 1rem; margin: 0 0 4px; font-family: var(--font-display); font-weight: 650; }
.page-adblocking .lede { max-width: 68ch; color: var(--muted); margin: 0 0 14px; }
.page-adblocking p { max-width: 70ch; margin: 12px 0 0; }
.page-adblocking li { line-height: 1.55; }
.page-adblocking strong { font-weight: 650; }
.page-adblocking a { text-underline-offset: 0.18em; }
.page-adblocking a:hover { text-decoration-thickness: 2px; }
.page-adblocking code { overflow-wrap: anywhere; }

/* Part divider */
.page-adblocking .part-head { margin: 36px 0 16px; padding-top: 28px; border-top: 1px solid var(--border-strong); }
.page-adblocking .part-head .kicker { margin: 0 0 4px; font-size: 0.85rem; font-weight: 600; color: var(--accent-ink); }
.page-adblocking .part-head h2 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); font-weight: 700; margin: 0; }
.page-adblocking .part-head p:not(.kicker) { color: var(--muted); max-width: 62ch; margin: 8px 0 0; }

/* Lists */
.page-adblocking ol.steps { counter-reset: s; list-style: none; padding: 0; margin: 10px 0 0; }
.page-adblocking ol.steps li { counter-increment: s; position: relative; padding-left: 36px; margin: 0 0 10px; max-width: 66ch; }
.page-adblocking ol.steps li::before {
  content: counter(s); position: absolute; left: 0; top: 1px; width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-ink);
  font: 700 0.8rem/1 var(--font-display);
}
.page-adblocking ul.plain { list-style: none; padding: 0; margin: 8px 0; }
.page-adblocking ul.plain li { position: relative; padding-left: 18px; margin: 0 0 8px; max-width: 68ch; }
.page-adblocking ul.plain li::before {
  content: ""; position: absolute; left: 0; top: 0.78em; width: 8px; height: 2px; border-radius: 1px; background: var(--muted);
}

/* The "how it works" blocks are inset panels */
.page-adblocking .why {
  max-width: 70ch; margin: 6px 0 18px; padding: 12px 16px;
  background: var(--code); border: 1px solid var(--border); border-radius: var(--r-md); color: var(--muted);
}
.page-adblocking .why p { margin: 0; max-width: none; }
.page-adblocking .why p + p { margin-top: 10px; }
.page-adblocking .why strong { color: var(--text); }

/* Platform tabs: the same pill buttons as the filters in the other apps */
.page-adblocking .tablist { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 18px; }
.page-adblocking .tab { border-radius: 999px; min-height: 36px; padding: 6px 16px; }
.page-adblocking .tab[aria-selected="true"] {
  background: var(--accent-soft); border-color: var(--accent); color: var(--accent-ink); font-weight: 650;
}
/* Panels are visible until the script hides the ones not selected, so the
   section is complete and readable with JavaScript off. */
.page-adblocking .tabpanel[hidden] { display: none; }
.page-adblocking .tabpanel > :first-child { margin-top: 0; }
.page-adblocking .tabpanel:focus-visible { outline-offset: 6px; border-radius: var(--r-sm); }
/* Without the script there is no selected tab, so each panel names its platform. */
.page-adblocking [data-tabs-ready] .tabpanel > .panel-label { display: none; }

.page-adblocking .shared { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.page-adblocking .shared > h3 { margin-top: 0; }

/* Notes are alerts with a coloured edge */
.page-adblocking .note {
  max-width: 72ch; margin: 18px 0; padding: 12px 16px;
  background: var(--raised); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--r-md); color: var(--muted);
}
.page-adblocking .note strong { font-family: var(--font-display); color: var(--text); }
.page-adblocking .note.warn {
  border-color: var(--warn); border-left-width: 3px;
  background: color-mix(in srgb, var(--warn) 10%, transparent);
}

/* The ledger: what a layer stops against what it never stops */
.page-adblocking .ledger {
  display: grid; margin: 16px 0 6px; overflow: hidden;
  background: var(--code); border: 1px solid var(--border); border-radius: var(--r-md);
}
@media (min-width: 640px) { .page-adblocking .ledger { grid-template-columns: 1fr 1fr; } }
.page-adblocking .ledger > div { padding: 14px 18px; }
.page-adblocking .ledger > div + div { border-top: 1px solid var(--border); }
@media (min-width: 640px) {
  .page-adblocking .ledger > div + div { border-top: 0; border-left: 1px solid var(--border); }
}
.page-adblocking .ledger h5 {
  display: flex; align-items: center; gap: 8px; margin: 0 0 8px;
  font: 650 0.92rem/1.3 var(--font-display);
}
.page-adblocking .ledger h5::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.page-adblocking .ledger .stops h5 { color: var(--ok); }
.page-adblocking .ledger .leaks h5 { color: var(--warn); }
.page-adblocking .ledger ul { margin: 0; padding-left: 18px; font-size: 0.93rem; color: var(--muted); }
.page-adblocking .ledger li { margin: 0 0 6px; }

/* Cards inside a card are inset panels */
.page-adblocking .grid.two { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 14px; }
@media (min-width: 760px) { .page-adblocking .grid.two { grid-template-columns: 1fr 1fr; } }
.page-adblocking .card .card { margin: 0; padding: 16px 18px; background: var(--code); border-radius: var(--r-md); }
.page-adblocking .card .tag {
  display: inline-block; margin: 2px 0 10px; padding: 1px 9px; border-radius: 999px;
  background: var(--raised); border: 1px solid var(--border); font-size: 0.78rem; color: var(--muted);
}

/* Copyable values. These are buttons, so the shared button look is reset;
   they read as text with a dashed underline. */
.page-adblocking button.copyable,
.page-adblocking button.copyable:hover:not(:disabled) {
  display: inline; margin: 0; padding: 0; font: inherit; color: inherit; background: none;
  border: 0; border-bottom: 1px dashed var(--muted); border-radius: 0;
}
.page-adblocking button.copyable:hover:not(:disabled) { border-bottom-color: var(--accent-ink); }
.page-adblocking button.copyable.copied { position: relative; border-bottom-color: var(--accent-ink); }
.page-adblocking button.copyable.copied::after {
  content: attr(data-tip); position: absolute; bottom: calc(100% + 9px); left: 50%; transform: translateX(-50%);
  z-index: 10; white-space: nowrap; pointer-events: none;
  padding: 4px 10px; border: 1px solid var(--accent); border-radius: var(--r-sm);
  background: var(--raised); color: var(--accent-ink); font: 600 0.8rem/1.3 var(--font-ui);
  box-shadow: var(--shadow); animation: tip-in 0.18s ease-out;
}
.page-adblocking button.copyable.copied::before {
  content: ""; position: absolute; bottom: calc(100% + 5px); left: 50%; z-index: 11;
  width: 7px; height: 7px; transform: translateX(-50%) rotate(45deg);
  background: var(--raised); border-right: 1px solid var(--accent); border-bottom: 1px solid var(--accent);
  pointer-events: none; animation: tip-in 0.18s ease-out;
}
/* Opacity only, so the tooltip is still visible where reduced motion switches animation off. */
@keyframes tip-in { from { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .page-adblocking button.copyable.copied::after, .page-adblocking button.copyable.copied::before { animation: none; }
}

/* Copy chips: an address with a small Copy button beside it */
.page-adblocking .chip {
  display: inline-flex; align-items: center; gap: 8px; margin: 2px 3px 2px 0; max-width: 100%;
  padding: 2px 3px 2px 11px; font-size: 0.86rem; color: var(--text);
}
.page-adblocking .chip code { background: none; border: 0; padding: 0; }
.page-adblocking .chip button:not(.copyable) {
  padding: 2px 10px; border-radius: 999px; font-size: 0.78rem; color: var(--muted);
}
.page-adblocking .chip button:not(.copyable).done { color: var(--ok); border-color: var(--ok); }

/* Resolver table */
.page-adblocking .table-scroll { max-height: none; overflow-x: auto; background: var(--code); }
.page-adblocking table { min-width: 880px; }
.page-adblocking th, .page-adblocking td { vertical-align: top; padding: 10px 14px; }
.page-adblocking tbody td:first-child { color: var(--text); font-weight: 600; }
.page-adblocking td { color: var(--muted); }
.page-adblocking td.host { font-family: var(--font-mono); font-size: 0.84rem; color: var(--accent-ink); white-space: nowrap; }
.page-adblocking td.host button.copyable { font-family: inherit; color: inherit; text-align: left; }
.page-adblocking thead th { background: var(--raised); }

/* Folded blocks are inset collapsibles */
.page-adblocking details.fold {
  margin: 20px 0 0; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--code);
}
.page-adblocking details.fold > summary {
  display: flex; align-items: center; gap: 10px; list-style: none;
  font: 650 1rem/1.3 var(--font-display); color: var(--text);
}
.page-adblocking details.fold > summary::-webkit-details-marker { display: none; }
.page-adblocking details.fold > summary::before {
  content: ""; flex: none; width: 7px; height: 7px; margin: 0 4px 0 3px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg); transition: transform 0.15s;
}
.page-adblocking details.fold[open] > summary::before { transform: rotate(45deg); }
.page-adblocking details.fold > *:not(summary):first-of-type { margin-top: 12px; }
.page-adblocking details.fold .note { background: var(--raised); }
.page-adblocking details.fold .ledger { background: var(--raised); }
@media (prefers-reduced-motion: reduce) { .page-adblocking details.fold > summary::before { transition: none; } }

/* Sources and footer */
.page-adblocking .sources { list-style: none; padding: 0; margin: 12px 0 0; }
.page-adblocking .sources li { margin: 0; padding: 10px 0; border-bottom: 1px solid var(--border); }
.page-adblocking .sources li:last-child { border-bottom: 0; }
.page-adblocking .sources a { font: 650 1rem/1.3 var(--font-display); text-decoration: none; }
.page-adblocking .sources a:hover { text-decoration: underline; }
.page-adblocking .sources span { display: block; margin-top: 2px; font-size: 0.9rem; color: var(--muted); }

.page-adblocking footer { margin-top: 28px; padding: 18px 0 0; border-top: 1px solid var(--border); font-size: 0.88rem; color: var(--muted); }
.page-adblocking footer p { max-width: 70ch; color: var(--muted); }
.page-adblocking .totop { font-weight: 600; text-decoration: none; }
.page-adblocking .totop:hover { text-decoration: underline; }

.page-adblocking .sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}