/* PLIEGO — kiosco público. Reutiliza los ambientes de themes.css. */
body.ks { margin: 0; min-height: 100vh; font-family: var(--rd-font); color: var(--rd-fg); background: #0c0f1c; -webkit-font-smoothing: antialiased; }
.ks .rd-scene { position: fixed; }
.ks .rd-ornament { top: 50px; }
.ks-top { position: relative; z-index: 3; display: flex; align-items: center; justify-content: space-between; padding: 18px clamp(16px, 4vw, 48px); }
.ks-top-nav { display: flex; gap: 8px; }
.ks-main { position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; padding: 24px clamp(16px, 4vw, 48px) 60px; }

.ks-hero { display: grid; grid-template-columns: minmax(220px, 380px) 1fr; gap: clamp(28px, 6vw, 80px); align-items: center; padding: clamp(30px, 6vh, 70px) 0 40px; }
.ks-kicker { margin: 0 0 14px; color: var(--rd-muted); font-size: 15px; }
.ks-hero h1 { margin: 0; font-family: var(--rd-display); font-weight: 800; font-size: clamp(34px, 5.2vw, 64px); line-height: 1.02; letter-spacing: -.02em; max-width: 16ch; text-wrap: balance; }
.ks-sub { margin: 16px 0 0; font-size: clamp(17px, 1.6vw, 21px); line-height: 1.4; max-width: 46ch; }
.ks-desc { margin: 12px 0 0; color: var(--rd-muted); line-height: 1.6; max-width: 58ch; }
.ks-meta { margin: 18px 0 0; color: var(--rd-muted); font-size: 14px; }
.ks-cta { display: inline-flex; align-items: center; height: 48px; padding: 0 26px; margin-top: 26px; border-radius: 999px; font-weight: 600; font-size: 16px;
  background: var(--rd-accent); color: var(--rd-accent-fg); text-decoration: none; box-shadow: 0 14px 30px -14px var(--rd-accent); transition: transform .2s; }
.ks-cta:hover { transform: translateY(-2px); }
.ks-cta:focus-visible, .ks-book:focus-visible, .ks-filter a:focus-visible { outline: 2px solid var(--rd-accent); outline-offset: 4px; }

/* libro en 3D: portada girada con canto de páginas */
.ks-book { position: relative; display: block; perspective: 1400px; aspect-ratio: var(--ratio, .7071); text-decoration: none; }
.ks-cover, .ks-pages { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.ks-cover { z-index: 2; transform: rotateY(-16deg); transform-origin: 0 50%; border-radius: 2px 6px 6px 2px; overflow: hidden;
  box-shadow: 24px 34px 50px -24px rgba(0,0,0,.75), inset 0 0 0 1px rgba(255,255,255,.08); background: var(--rd-paper); }
.ks-cover::after { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(0,0,0,.32), rgba(0,0,0,0) 7%, rgba(255,255,255,.14) 9%, rgba(255,255,255,0) 14%),
              linear-gradient(115deg, rgba(255,255,255,.12), rgba(255,255,255,0) 40%); }
.ks-cover img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ks-pages { z-index: 1; transform: rotateY(-16deg) translateX(9px) translateZ(-12px); transform-origin: 0 50%; border-radius: 0 5px 5px 0;
  background: repeating-linear-gradient(90deg, #ddd8cd 0 1px, #fbfaf5 1px 3px); top: 3px; bottom: 3px; }
.ks-book:hover .ks-cover, .ks-book:focus-visible .ks-cover { transform: rotateY(-34deg) translateZ(10px); }
.ks-book:hover .ks-pages, .ks-book:focus-visible .ks-pages { transform: rotateY(-26deg) translateX(10px) translateZ(-6px); }
.ks-book-xl { width: 100%; max-width: 380px; justify-self: center; }

.ks-intro { margin: 10px 0 30px; max-width: 60ch; font-size: 17px; line-height: 1.6; color: var(--rd-muted); }
.ks-filter { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 26px; }
.ks-filter a { padding: 7px 14px; border-radius: 999px; font-size: 14px; color: var(--rd-ui-fg); text-decoration: none; background: var(--rd-ui); border: 1px solid var(--rd-ui-line); backdrop-filter: blur(10px); }
.ks-filter a.on { background: var(--rd-accent); color: var(--rd-accent-fg); border-color: transparent; }
.ks-shelf { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 46px 34px; }
.ks-item h2 { margin: 18px 0 4px; font-family: var(--rd-display); font-size: 17px; font-weight: 600; line-height: 1.25; }
.ks-item h2 a { color: inherit; text-decoration: none; }
.ks-item h2 a:hover { text-decoration: underline; text-underline-offset: 3px; }
.ks-item p { margin: 0; font-size: 13px; color: var(--rd-muted); }
.ks-empty { text-align: center; padding: 18vh 0; }
.ks-empty h1 { font-family: var(--rd-display); font-size: 44px; margin: 0 0 8px; }
.ks-empty p { color: var(--rd-muted); }
.ks-foot { position: relative; z-index: 2; display: flex; gap: 18px; justify-content: center; padding: 30px 16px 40px; font-size: 14px; color: var(--rd-muted); }
.ks-foot a { color: inherit; }

@media (max-width: 760px) {
  .ks-hero { grid-template-columns: 1fr; text-align: left; padding-top: 10px; }
  .ks-book-xl { max-width: 240px; justify-self: start; }
  .ks-shelf { grid-template-columns: repeat(2, 1fr); gap: 34px 22px; }
}
@media (prefers-reduced-motion: reduce) { .ks-cover, .ks-pages, .ks-cta { transition: none; } }