/* Trang "Tuổi X năm Y" and its index (src/agepage.js): server-rendered, read like an article on the night theme. */
body.agepage { margin: 0; background: var(--night); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.65; }
.agepage p, .agepage li { font-size: max(17px, 1em); }
.agepage a { color: var(--gold); }
.agepage a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
.ap-bar { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px max(16px, calc((100vw - 980px) / 2)); background: color-mix(in oklab, var(--night) 88%, transparent);  }
.ap-mark { font-family: var(--serif); font-weight: 700; font-size: 22px; color: var(--ink) !important; text-decoration: none; white-space: nowrap; }
.ap-bar nav { display: flex; align-items: center; gap: 18px; }
.ap-bar nav a { color: var(--ink-soft); text-decoration: none; font-size: 15px; font-weight: 500; }
.ap-bar nav a:hover { color: var(--gold); }
.ap-bar nav .ap-cta-s { color: var(--on-clay); background: var(--gold); padding: 8px 16px; border-radius: 999px; }
.ap-bar nav .ap-cta-s:hover { color: var(--on-clay); background: color-mix(in oklab, var(--gold) 92%, white); }
.ap-main { padding: 28px 16px 48px; }
.ap { max-width: 1120px; margin: 0 auto; display: grid; gap: 40px; }
.ap > .ap-sec, .ap > .ap-sexes, .ap > .ap-more, .ap > .ap-note { max-width: 820px; }
.ap-hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 40px; align-items: center; min-height: min(78vh, 760px); }
.ap-hero-text { display: grid; gap: 18px; }
.ap-fig { margin: 0; display: grid; gap: 8px; }
.ap-fig img { display: block; width: 100%; height: auto; border-radius: 4px; background: var(--paper-sunk); }
.ap-fig figcaption { font-size: 14px !important; color: var(--ink-soft); }
.ap-split { grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); align-items: start; gap: 32px; }
.ap-foot-img { display: block; width: min(360px, 70vw); height: auto; margin: 0 auto 18px; border-radius: 4px; }
.ap-credits { margin-top: 10px !important; font-size: 13px !important; color: var(--ink-faint); }
/* An entrance on load, once: each part rises into place; none of it is hidden if motion is reduced. */
@keyframes ap-rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  .ap-hero-text > *, .ap-fig-hero, .ap-sexes > *, .ap > .ap-sec, .ap-cta { animation: ap-rise .7s cubic-bezier(.16, 1, .3, 1) both; }
  .ap-hero-text > :nth-child(2) { animation-delay: .08s; } .ap-hero-text > :nth-child(3) { animation-delay: .16s; }
  .ap-fig-hero { animation-delay: .12s; } .ap-sexes > :nth-child(1) { animation-delay: .24s; } .ap-sexes > :nth-child(2) { animation-delay: .32s; }
  .ap > .ap-sec:nth-of-type(1) { animation-delay: .4s; } .ap > .ap-sec:nth-of-type(2) { animation-delay: .48s; } .ap > .ap-sec:nth-of-type(3) { animation-delay: .56s; }
  .ap-cta { animation-delay: .64s; }
}
.ap-sub { margin: -8px 0 0; font-size: 15px; color: var(--ink-faint); }
.ap h1 { margin: 0; font-family: var(--serif); font-weight: 600; font-size: clamp(2.3rem, 1rem + 3.6vw, 4.4rem); line-height: 1.05; color: var(--ink); text-wrap: balance; }
.ap h1 span { display: block; white-space: nowrap; }
.ap h1 .l2 { color: var(--gold); }
.ap-lead { margin: 0; font-size: 19px; color: var(--ink-soft); max-width: 62ch; }
.ap-sexes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ap-sex { --tone: var(--gold); padding: 16px 18px; border-radius: 16px; background: var(--glass); }
.ap-sex.good { --tone: color-mix(in oklab, var(--gold) 55%, #6fbf8f); }
.ap-sex.hard { --tone: oklch(0.7 0.15 12); }
.ap-sex h3 { margin: 0; font-size: 15px; font-weight: 600; color: var(--ink-faint); }
.ap-sex .ap-verdict { margin: 4px 0 6px; font-family: var(--serif); font-size: 26px; line-height: 1.15; color: var(--tone); }
.ap-sex p { margin: 0; font-size: 15.5px; color: var(--ink-soft); }
.ap-sex b { color: var(--ink); }
.ap-sec { display: grid; gap: 10px; padding-top: 28px; }
.ap-sec h2, .ap-cta h2 { margin: 0; font-family: var(--serif); font-weight: 600; font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem); color: var(--gold); line-height: 1.15; }
.ap-sec p { margin: 0; color: var(--ink-soft); }
.ap-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.ap-list li { padding: 12px 14px; border-radius: 12px; background: var(--paper-sunk); color: var(--ink-soft); font-size: 16px; }
.ap-list li b { display: block; color: var(--ink); font-weight: 600; }
.ap-list li.good { box-shadow: inset 0 0 0 1px color-mix(in oklab, #6fbf8f 40%, transparent); }
.ap-list li.hard { box-shadow: inset 0 0 0 1px color-mix(in oklab, oklch(0.7 0.15 12) 55%, transparent); }
.ap-months { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ap-months h3 { margin: 0 0 6px; font-size: 15px; color: var(--ink); }
.ap-months ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.ap-months li { font-size: 15.5px; color: var(--ink-soft); }
.ap-months li b { color: var(--ink); margin-right: 6px; }
.ap-cta { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 32px; align-items: center; margin-top: 24px; padding: 28px; border-radius: 18px; background: var(--clay-soft); }
.ap-cta-text { display: grid; gap: 12px; justify-items: start; }
.ap-cta p { margin: 0; color: var(--ink-soft); max-width: 60ch; }
.ap-btn { display: inline-flex; align-items: center; min-height: 48px; padding: 0 24px; border-radius: 999px; background: var(--gold); color: var(--on-clay) !important; font-weight: 600; text-decoration: none; transition: box-shadow .2s, transform .2s; }
.ap-btn:hover { box-shadow: var(--glow); }
.ap-btn:active { transform: translateY(1px); }
.ap-more { display: grid; gap: 10px; }
.ap-more p { margin: 0; display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: baseline; }
.ap-more span { width: 100%; font-size: 14px; font-weight: 600; color: var(--ink-faint); }
.ap-more a { font-size: 15.5px; }
.ap-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin: 0; padding: 0; list-style: none; }
.ap-grid a { display: flex; gap: 8px; align-items: baseline; min-height: 44px; padding: 10px 12px; border-radius: 10px; background: var(--paper-sunk); color: var(--ink-soft); text-decoration: none; font-size: 15px; }
.ap-grid a b { color: var(--gold); font-variant-numeric: lining-nums tabular-nums; }
.ap-grid a:hover { box-shadow: inset 0 0 0 1px var(--gold); color: var(--ink); }
.ap-note { margin: 0; font-size: 14px; color: var(--ink-faint); }
.ap-foot { padding: 32px 16px 44px; background: var(--paper-sunk); text-align: center; font-size: 14px; color: var(--ink-faint); }
.ap-foot p { max-width: 760px; margin: 0 auto; }
@media (max-width: 760px) {
  .ap-hero, .ap-split, .ap-cta { grid-template-columns: 1fr; min-height: 0; }
  .ap-cta { padding: 20px; }
}
@media (max-width: 600px) {
  .ap-sexes, .ap-months { grid-template-columns: 1fr; }
  .ap-bar nav a:not(.ap-cta-s) { display: none; }
  .ap-lead { font-size: 17px; }
}

.ap-sec p, .ap-lead, .ap-cta p, .ap-list li { max-width: 68ch; }