/* Living Brand Guide: layout and components.
   Every color, font, size and timing comes from ../tokens/tokens.css. Change the brand there. */

*, *::before, *::after { box-sizing: border-box }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font-family-latin); font-size: var(--size-type-body);
  font-weight: var(--font-weight-regular); line-height: 1.6; font-optical-sizing: auto; -webkit-font-smoothing: antialiased; overflow-x: hidden }
h1, h2, h3 { margin: 0; font-weight: var(--font-weight-bold); line-height: 1.05; letter-spacing: -0.02em; text-wrap: balance }
h1 { font-size: clamp(2.6rem, 6.5vw, var(--size-type-h1)); line-height: 1 }
h2 { font-size: clamp(1.9rem, 4vw, var(--size-type-h2)) }
h3 { font-size: var(--size-type-h3); line-height: 1.15 }
p { margin: 0; max-width: 38em }
a { color: var(--accent); text-underline-offset: 3px }
img, svg { max-width: 100% }
code, .mono { font-family: var(--font-family-mono); font-size: .88em }
[lang="ar"], .ar { font-family: var(--font-family-arabic); font-size: calc(1em * var(--font-arabic-scale)); line-height: 1.75; letter-spacing: 0 }
:focus-visible { outline: 3px solid var(--highlight); outline-offset: 3px; border-radius: var(--size-radius-small) }
.skip { position: absolute; left: -999px; top: 8px; background: var(--fg); color: var(--bg); padding: 10px 16px; border-radius: var(--size-radius-small); z-index: 50 }
.skip:focus { left: 8px }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap }

/* logo swaps with the theme */
.logo-on-dark { display: none !important }
:root[data-theme="dark"] .logo-on-light { display: none !important }
:root[data-theme="dark"] .logo-on-dark { display: block !important }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .logo-on-light { display: none !important }
  :root:not([data-theme="light"]) .logo-on-dark { display: block !important }
}

/* shell */
.shell { display: grid; grid-template-columns: 1fr; align-content: start; min-height: 100vh }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; background: var(--bg); border-bottom: 1px solid var(--line) }
.topbar .brand img { height: 30px; display: block }
.side { display: none; padding: var(--size-space-5) var(--size-space-4); }
.side.open { display: block; position: fixed; inset: 61px 0 0 0; z-index: 19; background: var(--bg); overflow-y: auto }
.side .brand { display: none }
.side .brand img { height: 36px; display: block }
.nav { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px }
.nav a { display: block; padding: 9px 12px; border-radius: var(--size-radius-small); color: var(--fg); text-decoration: none; font-size: 1.05rem;
  transition: background var(--motion-duration-quick) var(--motion-easing-pour) }
.nav a:hover { background: var(--line) }
.nav a[aria-current="page"] { background: var(--fg); color: var(--bg) }
.side-foot { margin-top: var(--size-space-5); display: grid; gap: 10px; color: var(--muted); font-size: var(--size-type-small) }
main { min-width: 0; padding: 0 16px }
.page { max-width: 1040px; margin: 0 auto; padding: var(--size-space-6) 0 var(--size-space-5) }
@media (min-width: 960px) {
  .shell { grid-template-columns: 270px 1fr }
  .topbar { display: none }
  .side, .side.open { display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto; inset: auto; border-right: 1px solid var(--line) }
  .side .brand { display: block; margin-bottom: var(--size-space-5) }
  main { padding: 0 var(--size-space-6) }
  .page { padding-top: var(--size-space-7) }
}

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-size: 1rem; font-weight: var(--font-weight-medium);
  border-radius: var(--size-radius-pill); padding: 11px 20px; border: 1.5px solid var(--fg); background: var(--fg); color: var(--bg); cursor: pointer; text-decoration: none;
  transition: transform var(--motion-duration-quick) var(--motion-easing-pour) }
.btn:hover { transform: translateY(-1px) }
.btn.ghost { background: transparent; color: var(--fg) }
.btn.accent { background: var(--accent); border-color: var(--accent); color: var(--on-accent) }
.btn.small { padding: 7px 14px; font-size: .9rem }
.menu-btn { font: inherit; font-size: 1rem; background: transparent; color: var(--fg); border: 1.5px solid var(--line); border-radius: var(--size-radius-pill); padding: 8px 16px; cursor: pointer }
.theme-btn { font: inherit; font-size: .95rem; background: transparent; color: var(--fg); border: 1.5px solid var(--line); border-radius: var(--size-radius-pill); padding: 8px 14px; cursor: pointer; justify-self: start }

/* sections */
.hero { display: grid; gap: var(--size-space-4); padding-bottom: var(--size-space-6) }
.lead { font-size: var(--size-type-lead); line-height: 1.45; color: var(--fg) }
.muted { color: var(--muted) }
.small { font-size: var(--size-type-small) }
section.block { display: grid; gap: var(--size-space-4); padding: var(--size-space-6) 0; border-top: 1px solid var(--line) }
.grid { display: grid; gap: var(--size-space-4); grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)) }
.grid.two { grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr)) }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--size-radius-large); padding: var(--size-space-4); display: grid; gap: 10px; align-content: start }
.card h3 { font-size: 1.35rem }
a.card { text-decoration: none; color: var(--fg); transition: transform var(--motion-duration-steady) var(--motion-easing-pour) }
a.card:hover { transform: translateY(-3px) }
.band { background: var(--band); color: var(--on-band); border-radius: var(--size-radius-large); padding: var(--size-space-5) }
.tag { display: inline-block; font-size: var(--size-type-small); padding: 2px 10px; border-radius: var(--size-radius-pill); border: 1px solid var(--line) }
ul.list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px }
ul.list li { padding-left: 24px; position: relative }
ul.list li::before { content: ""; position: absolute; left: 0; top: .62em; width: 10px; height: 10px; border-radius: 50%; background: var(--highlight) }
ul.list li.dont::before { background: var(--alert) }
ul.list li.do::before { background: var(--accent) }
.log { display: grid; gap: 12px }
.log div { display: grid; grid-template-columns: 9rem 1fr; gap: 12px; padding-top: 12px; border-top: 1px solid var(--line) }
@media (max-width: 520px) { .log div { grid-template-columns: 1fr; gap: 2px } }

.lead.ar, .lead[lang="ar"] { font-size: calc(var(--size-type-lead) * var(--font-arabic-scale)) }
.hero-band { margin-top: var(--size-space-4); min-height: 300px; display: flex; flex-direction: column; justify-content: space-between; gap: 40px; position: relative; overflow: hidden }
.hero-band img { width: min(78%, 520px); height: auto; position: relative }
.hero-band .dots { display: flex; gap: 10px; position: relative }
.hero-band .dots span { width: 22px; height: 22px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--color-base-milk) 40%, transparent) }
.hero-band::after { content: ""; position: absolute; right: -80px; bottom: -120px; width: 360px; height: 360px; border-radius: 50%; background: color-mix(in srgb, var(--color-base-saffron) 22%, transparent); animation: breathe 6s var(--motion-easing-steep) infinite alternate }
@keyframes breathe { to { transform: scale(1.12) } }

/* logo page */
.ground { overflow: hidden; border-radius: var(--size-radius-large); min-height: 220px; display: grid; place-items: center; padding: 32px; border: 1px solid var(--line) }
.ground img { width: min(100%, 340px); height: auto }
.ground.light { background: var(--color-base-milk) }
.ground.dark { background: var(--color-base-deep-leaf) }
.ground.photo { background:
  radial-gradient(120% 90% at 20% 15%, color-mix(in srgb, var(--color-base-saffron) 55%, transparent), transparent 55%),
  radial-gradient(90% 80% at 85% 90%, color-mix(in srgb, var(--color-base-deep-leaf) 90%, transparent), transparent 60%),
  linear-gradient(160deg, var(--color-base-clay), var(--color-base-deep-leaf)) }
.clear { position: relative; display: inline-block; padding: 44px; border: 2px dashed var(--highlight); border-radius: var(--size-radius-small); background: var(--color-base-milk) }
.clear img { width: min(64vw, 360px); display: block; outline: 1px solid color-mix(in srgb, var(--color-base-saffron) 60%, transparent) }
.clear .u { position: absolute; left: 0; top: 0; width: 44px; height: 44px; background: color-mix(in srgb, var(--color-base-saffron) 35%, transparent) }
.misuse { position: relative; overflow: hidden }
.misuse .ground { min-height: 170px }
.misuse .x { position: absolute; top: 14px; right: 14px; width: 30px; height: 30px; border-radius: 50%; background: var(--alert); }
.misuse .x::before, .misuse .x::after { content: ""; position: absolute; left: 14px; top: 6px; width: 2px; height: 18px; background: var(--color-base-milk); transform: rotate(45deg) }
.misuse .x::after { transform: rotate(-45deg) }
.sizes.ground { min-height: 0 }
.sizes { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 32px }
.sizes figure { margin: 0; display: grid; gap: 8px }
.dl { display: flex; flex-wrap: wrap; gap: 8px }

/* color page */
.swatch { border-radius: var(--size-radius-large); overflow: hidden; border: 1px solid var(--line); background: var(--surface); display: grid }
.swatch .chip { height: 150px; display: flex; align-items: flex-end; padding: 16px; font-size: 1.4rem; font-weight: var(--font-weight-bold) }
.swatch .meta { padding: 16px; display: grid; gap: 8px }
.copyrow { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-family: var(--font-family-mono); font-size: .88rem }
.copy { font: inherit; font-family: var(--font-family-latin); font-size: .85rem; border: 1px solid var(--line); background: transparent; color: var(--fg); border-radius: var(--size-radius-pill); padding: 4px 12px; cursor: pointer; flex: none }
.copy.done { background: var(--fg); color: var(--bg) }
.ratio { display: flex; height: 64px; border-radius: var(--size-radius-large); overflow: hidden; border: 1px solid var(--line) }
.pair { border-radius: var(--size-radius-large); padding: 20px; display: grid; gap: 4px; border: 1px solid var(--line) }
.pair b { font-size: 1.6rem; line-height: 1.1 }
table.tokens { width: 100%; border-collapse: collapse; font-size: .95rem }
table.tokens th, table.tokens td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top }
table.tokens td code { word-break: break-all }
.scroll { overflow-x: auto }

/* type page */
.specimen { display: grid; gap: 6px; padding: var(--size-space-4) 0; border-top: 1px solid var(--line) }
.specimen .big { font-size: clamp(3rem, 10vw, var(--size-type-display)); line-height: 1; letter-spacing: -0.03em; font-weight: var(--font-weight-bold) }
.scale-row { display: grid; grid-template-columns: 8rem 1fr; gap: 16px; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--line) }
.scale-row .ar { text-align: right }
@media (max-width: 640px) { .scale-row { grid-template-columns: 1fr; gap: 4px } }

/* imagery */
.frame { position: relative; aspect-ratio: 4 / 3; border-radius: var(--size-radius-large); overflow: hidden; border: 1px solid var(--line) }
.frame figcaption { position: absolute; left: 12px; bottom: 12px; right: 12px; font-size: var(--size-type-small); background: color-mix(in srgb, var(--color-base-ink) 72%, transparent); color: var(--color-base-milk); padding: 6px 10px; border-radius: var(--size-radius-small) }
.frame.warm { background: radial-gradient(80% 70% at 25% 20%, color-mix(in srgb, var(--color-base-saffron) 75%, transparent), transparent 60%), linear-gradient(170deg, var(--color-base-clay), var(--color-base-deep-leaf)) }
.frame.cold { background: linear-gradient(180deg, var(--color-base-milk), var(--color-base-pod)); filter: hue-rotate(95deg) saturate(.5) brightness(1.15) }
.frame.busy { background: repeating-linear-gradient(45deg, var(--color-base-clay) 0 14px, var(--color-base-milk) 14px 28px, var(--color-base-saffron) 28px 42px) }
.frame.flash { background: radial-gradient(40% 40% at 50% 45%, var(--color-utility-paper), var(--color-base-milk) 50%, var(--color-base-ink)) }
.glass { position: absolute; left: 50%; bottom: 22%; width: 22%; height: 40%; transform: translateX(-50%); border-radius: 8px 8px 22px 22px; background: linear-gradient(180deg, color-mix(in srgb, var(--color-utility-paper) 35%, transparent) 0 18%, var(--color-base-clay) 18% 100%); box-shadow: inset 0 0 0 3px color-mix(in srgb, var(--color-utility-paper) 45%, transparent) }
.saucer { position: absolute; left: 50%; bottom: 17%; width: 44%; height: 8%; transform: translateX(-50%); border-radius: 50%; background: color-mix(in srgb, var(--color-utility-paper) 55%, transparent) }
.hand { position: absolute; right: 8%; bottom: 20%; width: 26%; height: 18%; border-radius: 40px 20px 20px 40px; background: color-mix(in srgb, var(--color-base-clay) 60%, var(--color-base-milk)) }
.frame.small-glass .glass { width: 9%; height: 16%; left: 70%; bottom: 40% }
.frame.small-glass .saucer { width: 18%; left: 70%; bottom: 38% }

/* ai page */
.prompt { background: var(--surface); border: 1px solid var(--line); border-radius: var(--size-radius-large); padding: 20px; font-family: var(--font-family-mono); font-size: .92rem; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere }
.slot { background: color-mix(in srgb, var(--color-base-saffron) 30%, transparent); border-radius: 4px; padding: 0 4px }
.checklist { display: grid; gap: 10px }
.checklist label { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--size-radius-small); background: var(--surface); cursor: pointer }
.checklist input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--accent); flex: none }
.meter { height: 8px; background: var(--line); border-radius: 8px; overflow: hidden }
.meter span { display: block; height: 100%; width: 0; background: var(--accent); transition: width var(--motion-duration-steady) var(--motion-easing-pour) }

/* motion */
.track { position: relative; height: 56px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--size-radius-pill); overflow: hidden }
.dot { position: absolute; top: 8px; left: 8px; width: 40px; height: 40px; border-radius: 50%; background: var(--accent);
  animation: slide var(--d, var(--motion-duration-steady)) var(--e, var(--motion-easing-pour)) infinite alternate }
@keyframes slide { to { left: calc(100% - 48px) } }
.paused .dot, .paused .steam span { animation-play-state: paused }
.steam { position: relative; height: 150px; overflow: hidden; display: flex; justify-content: center; gap: 14px; align-items: center }
.steam span { width: 10px; height: 60px; border-radius: 10px; background: var(--highlight); opacity: .0; animation: rise var(--motion-duration-slow) var(--motion-easing-steep) infinite }
.steam span:nth-child(2) { animation-delay: 300ms } .steam span:nth-child(3) { animation-delay: 600ms }
@keyframes rise { 0% { transform: translateY(30px); opacity: 0 } 40% { opacity: .9 } 100% { transform: translateY(-30px); opacity: 0 } }

/* voice */
.ba { display: grid; gap: 10px; padding: 18px 0; border-top: 1px solid var(--line) }
.ba p { max-width: none }
.before { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--alert) }
.words { display: flex; flex-wrap: wrap; gap: 8px }
.words span { border: 1px solid var(--line); border-radius: var(--size-radius-pill); padding: 5px 14px; background: var(--surface) }
.words.avoid span { text-decoration: line-through; text-decoration-color: var(--alert); color: var(--muted) }

/* templates */
.post { aspect-ratio: 1; border-radius: var(--size-radius-large); background: var(--color-base-deep-leaf); color: var(--color-base-milk); padding: 8%; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; max-width: 520px; position: relative }
.post .ph { font-size: clamp(1.6rem, 5vw, 2.6rem); line-height: 1.05; font-weight: var(--font-weight-bold) }
.post .pa { font-family: var(--font-family-arabic); font-size: clamp(1.5rem, 5vw, 2.4rem); text-align: right; line-height: 1.5 }
.post::after { content: ""; position: absolute; right: -16%; bottom: -20%; width: 55%; aspect-ratio: 1; border-radius: 50%; background: var(--color-base-saffron); opacity: .9 }
.post > * { position: relative; z-index: 1 }
.sig { background: var(--color-utility-paper); color: var(--color-base-ink); border-radius: var(--size-radius-large); padding: 24px; border: 1px solid var(--line); overflow-x: auto }

/* downloads */
.files { display: grid; gap: 0 }
.files .row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 0; border-top: 1px solid var(--line) }

/* footer */
.foot { padding: var(--size-space-5) 0 var(--size-space-6); border-top: 1px solid var(--line); color: var(--muted); font-size: var(--size-type-small); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; max-width: 1040px; margin: 0 auto }
.foot a { color: var(--muted) }

/* gate (optional, see README) */
.gate { position: fixed; inset: 0; z-index: 100; background: var(--bg); display: grid; place-items: center; padding: 16px }
.gate form { display: grid; gap: 12px; width: min(100%, 360px) }
.gate input { font: inherit; padding: 12px 14px; border-radius: var(--size-radius-small); border: 1.5px solid var(--line); background: var(--surface); color: var(--fg) }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto }
  *, *::before, *::after { animation: none !important; transition: none !important }
}
@media print {
  .topbar, .side, .btn, .copy, .theme-btn, .foot .no-print { display: none !important }
  .shell { display: block } main { padding: 0 } section.block { break-inside: avoid }
}