/* Reading pages (help, privacy, terms, security, changelog): the overview world in Read mode.
   Grey canvas, one big white card for the text, a quiet contents list beside it on wide screens. */

.d-nav { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--canvas) 84%, transparent); -webkit-backdrop-filter: saturate(160%) blur(16px); backdrop-filter: saturate(160%) blur(16px); box-shadow: 0 1px 0 var(--line); }
.d-nav-inner { display: flex; align-items: center; gap: 24px; max-width: 1180px; height: 64px; margin: 0 auto; padding: 0 20px; }
.d-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-size: 1.15rem; font-weight: 500; letter-spacing: -0.02em; }
.d-links { display: flex; gap: 22px; margin-left: 8px; }
.d-links a { color: var(--text-2); text-decoration: none; font-size: 0.92rem; }
.d-links a:hover, .d-links a[aria-current="page"] { color: var(--text); }
.d-links a[aria-current="page"] { font-weight: 500; }
.d-cta { margin-left: auto; display: inline-flex; align-items: center; height: 38px; padding: 0 15px; border-radius: 12px; background: var(--pill); color: var(--on-pill); text-decoration: none; font-size: 0.9rem; font-weight: 500; }

.d-main { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 28px; max-width: 1180px; margin: 0 auto; padding: 28px 20px 56px; }
.d-toc { position: sticky; top: 92px; align-self: start; padding-top: 6px; }
.d-toc p { margin: 0 0 10px; color: var(--text-3); font-size: 0.8rem; }
.d-toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.d-toc a { display: block; padding: 6px 10px; border-radius: 10px; color: var(--text-2); text-decoration: none; font-size: 0.875rem; line-height: 1.35; }
.d-toc a:hover { background: var(--hover); color: var(--text); }

.d-card { min-width: 0; padding: 48px 56px 56px; border-radius: var(--r-frame); background: var(--card); box-shadow: inset 0 0 0 1px var(--line), var(--shadow-card); }
.d-card > header { max-width: 68ch; margin-bottom: 36px; }
.d-card h1 { margin: 0 0 12px; font-size: clamp(2.1rem, 4.2vw, 3rem); font-weight: 400; line-height: 1.05; letter-spacing: -0.04em; }
.d-lede { margin: 0; color: var(--text-2); font-size: 1.12rem; line-height: 1.55; }
.d-meta { margin: 14px 0 0; color: var(--text-3); font-size: 0.85rem; }
.d-draft { display: flex; gap: 10px; align-items: flex-start; max-width: 68ch; margin: 0 0 32px; padding: 14px 16px; border-radius: var(--r-inner); background: var(--sky-soft); color: var(--text); font-size: 0.9rem; line-height: 1.5; }
.d-draft b { font-weight: 600; }

.prose { max-width: 68ch; font-size: 1rem; line-height: 1.7; color: var(--text); }
.prose h2 { margin: 48px 0 12px; font-size: 1.45rem; font-weight: 500; line-height: 1.2; letter-spacing: -0.025em; scroll-margin-top: 90px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 28px 0 8px; font-size: 1.08rem; font-weight: 600; letter-spacing: -0.01em; scroll-margin-top: 90px; }
.prose p { margin: 0 0 14px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 1.3em; }
.prose li { margin: 4px 0; }
.prose li::marker { color: var(--text-3); }
.prose a { color: var(--blue); }
.prose strong { font-weight: 600; }
.prose code { font-family: var(--font-mono); font-size: 0.88em; padding: 0.12em 0.4em; border-radius: 6px; background: var(--card-2); }
.prose pre { margin: 0 0 16px; padding: 14px 16px; border-radius: var(--r-inner); background: var(--card-2); overflow-x: auto; font-family: var(--font-mono); font-size: 0.86rem; line-height: 1.55; }
.prose pre code { padding: 0; background: none; }
.prose table { width: 100%; margin: 0 0 18px; border-collapse: collapse; font-size: 0.92rem; }
.prose th, .prose td { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { color: var(--text-3); font-weight: 500; font-size: 0.82rem; }
.prose .note { padding: 14px 16px; border-radius: var(--r-inner); background: var(--card-2); color: var(--text-2); font-size: 0.93rem; }
.prose .steps { counter-reset: s; list-style: none; padding: 0; }
.prose .steps li { counter-increment: s; position: relative; padding-left: 38px; margin: 10px 0; }
.prose .steps li::before { content: counter(s); position: absolute; left: 0; top: 1px; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 9px; background: var(--card-3); color: var(--text-2); font-size: 0.8rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.prose details { margin: 0 0 10px; border-radius: var(--r-inner); background: var(--card-2); }
.prose summary { padding: 14px 16px; cursor: pointer; font-weight: 500; list-style: none; }
.prose summary::-webkit-details-marker { display: none; }
.prose summary::after { content: "+"; float: right; color: var(--text-3); }
.prose details[open] summary::after { content: "−"; }
.prose details > div { padding: 0 16px 14px; }

.release { padding-bottom: 8px; }
.release + .release { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line); }
.release h2 { display: flex; align-items: baseline; gap: 12px; margin-top: 0; }
.release time { color: var(--text-3); font-size: 0.9rem; font-weight: 400; letter-spacing: 0; }
.tag { display: inline-block; margin-right: 6px; padding: 1px 8px; border-radius: 999px; background: var(--blue-soft); color: var(--blue); font-size: 0.75rem; font-weight: 600; vertical-align: 0.1em; }

.d-foot { max-width: 1180px; margin: 0 auto; padding: 0 20px 44px; display: flex; flex-wrap: wrap; gap: 10px 22px; justify-content: space-between; color: var(--text-3); font-size: 0.875rem; }
.d-foot p { margin: 0; }
.d-foot nav { display: flex; flex-wrap: wrap; gap: 18px; }
.d-foot a { color: var(--text-2); text-decoration: none; }
.d-foot a:hover { color: var(--text); text-decoration: underline; }

@media (max-width: 900px) {
  .d-main { grid-template-columns: minmax(0, 1fr); padding-top: 16px; }
  .d-toc { display: none; }
  .d-card { padding: 32px 22px 40px; border-radius: var(--r-card); }
  .d-links { display: none; }
}

/* cancel page */
.cancel-form { display: grid; gap: 10px; margin: 0 0 36px; padding: 24px; border-radius: var(--r-card); background: var(--card-2); }
.cancel-form h2 { margin: 0 0 4px; }
.cancel-form label { font-weight: 500; }
.cancel-form .hint { margin: 0; color: var(--text-3); font-size: 0.9rem; }
.cancel-form textarea { width: 100%; padding: 12px 14px; border: 0; border-radius: 14px; background: var(--card); box-shadow: inset 0 0 0 1px var(--line-2); color: var(--text); font-family: var(--font-mono); font-size: 0.85rem; resize: vertical; }
.cancel-form textarea:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.cancel-btn { justify-self: start; height: 46px; padding: 0 20px; border: 0; border-radius: 14px; background: var(--pill); color: var(--on-pill); font: inherit; font-weight: 500; cursor: pointer; }
.cancel-btn:disabled { opacity: 0.6; cursor: progress; }
.cancel-note { margin: 0; font-size: 0.92rem; color: var(--text-2); }
.cancel-note.is-done { color: var(--up); }
.cancel-note.is-bad { color: var(--pink-text); }

/* buy and welcome */
.buy { margin: 0 0 40px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.plan { display: grid; gap: 4px; align-content: start; padding: 22px; border: 0; border-radius: var(--r-card); background: var(--card-2); box-shadow: inset 0 0 0 1px var(--line); color: var(--text); font: inherit; text-align: left; cursor: pointer; transition: box-shadow 0.15s, transform 0.15s var(--ease); }
.plan:hover { box-shadow: inset 0 0 0 2px var(--blue); }
.plan:active { transform: scale(0.99); }
.plan.is-best { box-shadow: inset 0 0 0 2px var(--text); }
.plan b { font-weight: 500; }
.plan-price { font-size: 2.2rem; font-weight: 400; letter-spacing: -0.035em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.plan-per { color: var(--text-3); font-size: 0.88rem; line-height: 1.45; }
.buy-note { margin: 14px 0 0; color: var(--text-3); font-size: 0.9rem; }
.licence-box { display: grid; gap: 14px; justify-items: start; margin: 0 0 36px; padding: 24px; border-radius: var(--r-card); background: var(--card-2); }
.licence-wait { margin: 0; color: var(--text-2); }
.licence-key { display: block; width: 100%; padding: 14px 16px; border-radius: 14px; background: var(--card); box-shadow: inset 0 0 0 1px var(--line-2); font-family: var(--font-mono); font-size: 0.8rem; line-height: 1.5; overflow-wrap: anywhere; user-select: all; }

/* Download */
.dl { display: grid; gap: 12px; justify-items: start; margin: 0 0 36px; padding: 24px; border-radius: var(--r-card); background: var(--card-2); }
.dl-btn { display: inline-flex; align-items: center; height: 48px; padding: 0 22px; border-radius: 14px; background: var(--pill); color: var(--on-pill); font-weight: 500; text-decoration: none; box-shadow: 0 8px 20px -12px rgba(0, 0, 0, 0.5); transition: transform 0.15s var(--ease); }
.dl [hidden] { display: none; }
.dl-btn:active { transform: scale(0.98); }
.dl-btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.dl-meta, .dl-soon { margin: 0; color: var(--text-2); font-size: 0.92rem; }
.dl-meta a, .dl-soon a { color: var(--blue); }
.licence-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.dl-btn[hidden] { display: none; }