/* graphGURU.ai — informational pages (Methodology, Limitations, About, Contact,
   Terms, Privacy, Advertising). Loaded AFTER style.css so it reuses the app theme
   variables (--bg / --bg-soft / --text / --muted / --border / --amber …) and tracks
   the same data-theme (dark default / light) set by theme-init.js. */

/* ── undo the app's single-screen shell so the document scrolls normally ── */
html { height: auto; }
body {
  height: auto !important;
  min-height: 100vh;
  display: block !important;
  overflow-x: hidden;
  overflow-y: auto !important;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 15.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  background: var(--bg);
  color: var(--text);
}

:root { --pg-max: 748px; }

/* ── header ── */
.pg-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.pg-header .in {
  max-width: var(--pg-max); margin: 0 auto; padding: 13px 22px;
  display: flex; align-items: center; gap: 18px;
}
.pg-brand { font-weight: 800; font-size: 18px; letter-spacing: -0.2px; text-decoration: none; color: var(--text); }
.pg-brand .g { color: var(--amber); }
.pg-nav { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.pg-nav a {
  color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 500;
  padding: 5px 9px; border-radius: 7px; transition: background .15s, color .15s;
}
.pg-nav a:hover { color: var(--text); background: color-mix(in srgb, var(--text) 8%, transparent); }
.pg-back { color: var(--amber); text-decoration: none; font-weight: 700; font-size: 13.5px; padding: 5px 9px; }

/* hamburger menu (mobile). Pure CSS — the doc pages' CSP blocks inline JS, so a
   hidden checkbox + its label drives the dropdown. Hidden on desktop. */
.pg-menu-btn { display: none; }
@media (max-width: 720px) {
  .pg-header .in { flex-wrap: nowrap; position: relative; gap: 12px; }
  .pg-menu-btn {
    display: inline-flex; align-items: center; justify-content: center; order: 4;
    width: 40px; height: 38px; flex: none;
    border: 1px solid var(--border); border-radius: 9px; background: var(--bg);
    color: var(--text); font-size: 19px; line-height: 1; cursor: pointer; user-select: none;
  }
  .pg-back { order: 3; margin-left: auto; }  /* ← App sits left of the ☰ (far right) */
  .pg-nav {
    order: 5; position: absolute; top: 100%; left: 0; right: 0; margin: 0;
    display: none; flex-direction: column; gap: 2px; flex-wrap: nowrap;
    background: var(--bg-soft); border-bottom: 1px solid var(--border);
    padding: 8px 16px 12px; box-shadow: 0 14px 26px rgba(0, 0, 0, 0.28);
  }
  .pg-menu-toggle:checked ~ .pg-nav { display: flex; }
  .pg-nav a { font-size: 15.5px; padding: 11px 10px; border-radius: 9px; }
}

/* ── content ── */
main.pg { max-width: var(--pg-max); margin: 0 auto; padding: 40px 22px 96px; }
main.pg h1 {
  font-size: clamp(30px, 5vw, 40px); line-height: 1.12; letter-spacing: -0.6px;
  margin: 6px 0 14px; font-weight: 800;
}
main.pg .lede {
  color: var(--muted); font-size: 17px; line-height: 1.6; margin: 0 0 8px;
  padding-bottom: 26px; border-bottom: 1px solid var(--border);
}
main.pg h2 {
  font-size: 21px; font-weight: 750; letter-spacing: -0.3px; margin: 40px 0 12px;
  padding-left: 13px; border-left: 3px solid var(--amber);
}
main.pg h3 { font-size: 16.5px; font-weight: 700; margin: 26px 0 6px; }
main.pg p { margin: 12px 0; }
main.pg ul, main.pg ol { padding-left: 22px; margin: 12px 0; }
main.pg li { margin: 7px 0; }
main.pg li::marker { color: var(--amber); }
main.pg a { color: var(--amber); text-underline-offset: 2px; }
main.pg strong, main.pg b { color: var(--text); font-weight: 700; }
main.pg code {
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 1px 6px; border-radius: 6px; font-size: 13px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
main.pg hr { border: none; border-top: 1px solid var(--border); margin: 34px 0; }

/* callout note — matches the app's card look */
.pg-note {
  border: 1px solid var(--border); border-left: 3px solid var(--amber);
  background: color-mix(in srgb, var(--amber) 9%, var(--bg-soft));
  border-radius: 11px; padding: 14px 18px; margin: 22px 0; font-size: 15px; line-height: 1.6;
}
.pg-note strong:first-child { color: var(--amber); }

/* optional "key facts" cards some pages use */
.pg-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0; }
.pg-card {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px;
}
.pg-card h3 { margin: 0 0 4px; }
@media (max-width: 560px) { .pg-cards { grid-template-columns: 1fr; } }

.pg-meta { color: var(--muted); font-size: 13px; margin-top: 44px; border-top: 1px solid var(--border); padding-top: 18px; }

/* ── footer ── */
.pg-foot { border-top: 1px solid var(--border); background: var(--bg-soft); color: var(--muted); font-size: 13px; }
.pg-foot .in { max-width: var(--pg-max); margin: 0 auto; padding: 26px 22px; }
.pg-foot a { color: var(--muted); text-decoration: none; margin-right: 14px; line-height: 2; }
.pg-foot a:hover { color: var(--text); }
.pg-foot .disc { margin-top: 12px; opacity: 0.85; line-height: 1.6; }

/* ── /support page ── */
.sup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 22px 0 8px; align-items: start; }
.sup-donate, .sup-join {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px; padding: 18px;
}
.sup-donate { text-align: center; }
.sup-qrwrap { background: #fff; border-radius: 14px; padding: 12px; width: 224px; margin: 0 auto 14px; box-shadow: 0 2px 12px rgba(0,0,0,0.18); }
.sup-qr { display: block; width: 200px; height: 200px; image-rendering: pixelated; }
.sup-addr-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); font-weight: 800; margin-bottom: 6px; text-align: left; }
.sup-addr-row { display: flex; gap: 8px; align-items: stretch; }
.sup-addr {
  flex: 1; min-width: 0; background: var(--bg); border: 1px solid var(--border); border-radius: 9px;
  padding: 9px 10px; font-family: ui-monospace, Menlo, monospace; font-size: 11px; word-break: break-all; text-align: left; color: var(--text);
}
.sup-copy { flex-shrink: 0; background: var(--amber); color: #111; border: 0; border-radius: 9px; padding: 0 15px; font-weight: 800; font-size: 13px; cursor: pointer; }
.sup-net { font-size: 11.5px; color: var(--muted); line-height: 1.55; margin: 12px 0 0; text-align: left; }
.sup-net b { color: var(--text); }
.sup-h { margin: 0 0 4px; font-size: 16px; }
.sup-join-note { font-size: 12px; color: var(--muted); margin: 0 0 12px; }
.sup-anon { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--muted); cursor: pointer; user-select: none; margin-bottom: 9px; }
.sup-anon input { accent-color: var(--amber); width: 16px; height: 16px; }
.sup-anon b { color: var(--text); }
.sup-in:disabled { opacity: 0.5; }
.sup-ts { display: flex; justify-content: center; }
.sup-ts:not(:empty) { margin-bottom: 9px; }
.sup-in {
  display: block; width: 100%; box-sizing: border-box; margin-bottom: 9px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 9px; padding: 10px 11px;
  color: var(--text); font-size: 13.5px; font-family: inherit;
}
.sup-in:focus { outline: none; border-color: var(--amber); }
.sup-submit { width: 100%; background: var(--amber); color: #111; border: 0; border-radius: 9px; padding: 11px; font-weight: 800; font-size: 14px; cursor: pointer; }
.sup-submit:disabled { opacity: 0.6; cursor: default; }
.sup-status { font-size: 12.5px; min-height: 16px; margin-top: 8px; }
.sup-status.ok { color: var(--green, #16a34a); } .sup-status.err { color: var(--red, #dc2626); }

.sup-wall-sub { color: var(--muted); font-size: 14px; margin: 0 0 16px; }
.sup-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.sup-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 11px; padding: 12px 14px; }
.sup-name { font-weight: 700; font-size: 14px; word-break: break-word; }
.sup-msg { color: var(--muted); font-size: 12.5px; margin-top: 4px; line-height: 1.45; word-break: break-word; }
.sup-when { color: var(--muted); font-size: 11px; margin-top: 6px; opacity: 0.75; }
.sup-empty, .sup-loading { color: var(--muted); grid-column: 1 / -1; text-align: center; padding: 24px 0; }
@media (max-width: 620px) { .sup-grid { grid-template-columns: 1fr; } }