/* ==========================================================================
   Shared components for phase 2a (tokens only):
   .rv-imgf*   RVA.imageField (upload / validate / crop)
   .rv-sp-*    RVA.sitePreview (mini learner site: header, hero, rails, ad slots, footer)
   ========================================================================== */

/* ---------------------------------------------------------------- image field */
.rv-imgf { gap: 8px; }
.rv-imgf__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 12px; }
.rv-imgf__hint { font-size: 12px; color: var(--rv-text-muted); }
.rv-imgf__body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; align-items: start; }
.rv-imgf__box {
  position: relative; width: 100%; max-height: 260px; overflow: hidden; border: 1px dashed var(--rv-neutral-300); border-radius: var(--rv-radius-card);
  background-color: var(--rv-neutral-50);
  background-image: linear-gradient(45deg, var(--rv-neutral-100) 25%, transparent 25%), linear-gradient(-45deg, var(--rv-neutral-100) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--rv-neutral-100) 75%), linear-gradient(-45deg, transparent 75%, var(--rv-neutral-100) 75%);
  background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  display: flex; align-items: center; justify-content: center;
}
.rv-imgf__box > img { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.rv-imgf__box.is-broken::after { content: 'โหลดภาพไม่ได้'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: var(--rv-danger-bg); color: var(--rv-danger); font-size: 12px; }
.rv-imgf__empty { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--rv-text-muted); font-size: 12px; }
.rv-imgf__busy { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, .8); font-size: 12px; }
.rv-imgf.is-drag .rv-imgf__box { border-color: var(--rv-primary-600); background-color: var(--rv-primary-50); }
.rv-imgf__side { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.rv-imgf__meta { margin: 0; font-size: 12px; line-height: 18px; overflow-wrap: anywhere; }
.rv-imgf__issues { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.rv-imgf__issues li { display: flex; gap: 6px; align-items: flex-start; font-size: 12px; line-height: 18px; }
.rv-imgf__issues li.is-error { color: var(--rv-danger); }
.rv-imgf__issues li.is-warning { color: var(--rv-warning); }
.rv-imgf__issues li .rv-icon { flex: 0 0 auto; margin-top: 2px; }
.rv-imgf__err { margin: 0; font-size: 12px; color: var(--rv-danger); }
.rv-imgf__actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.rv-imgf__alt { display: flex; flex-direction: column; gap: 4px; }
.rv-imgf.is-disabled .rv-imgf__box { opacity: .8; }
@media (max-width: 767px) { .rv-imgf__body { grid-template-columns: 1fr; } }

.rv-imgf-thumb { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 96px; max-width: 100%; overflow: hidden;
  border: 1px solid var(--rv-card-border); border-radius: 3px; background: var(--rv-neutral-50); vertical-align: middle; }
.rv-imgf-thumb > img { display: block; width: 100%; height: 100%; object-fit: contain; }
.rv-imgf-thumb__none { font-size: 10px; color: var(--rv-text-muted); padding: 4px; text-align: center; }
.rv-imgf-thumb__tag { position: absolute; left: 2px; bottom: 2px; padding: 0 4px; border-radius: 2px; background: rgba(17, 24, 39, .72); color: #fff; font-size: 10px; line-height: 14px; }
.rv-imgf-thumb.is-broken > img { display: none; }
.rv-imgf-thumb.is-broken::after { content: 'โหลดไม่ได้'; font-size: 10px; color: var(--rv-danger); }

.rv-imgf-crop { width: 100%; max-height: 50vh; border-radius: var(--rv-radius-card); overflow: hidden; background: var(--rv-neutral-100); display: flex; align-items: center; justify-content: center; }
.rv-imgf-crop img { display: block; max-width: 100%; max-height: 100%; }
.rv-range { width: 100%; accent-color: var(--rv-primary-700); min-height: 32px; }

/* ---------------------------------------------------------------- learner-site preview (RVA.sitePreview)
   A compact mock of readvpn.netlify.app. The composition follows the device option, not the viewport.
   The learner site uses rounder corners than the backoffice, so values here mimic that site on purpose. */
.rv-sp { --sp-r: 12px; container-type: inline-size; border: 1px solid var(--rv-card-border); border-radius: var(--rv-radius-overlay); overflow: hidden; background: #fff; font-size: 12px; line-height: 1.5; color: var(--rv-text-primary); box-shadow: var(--rv-shadow-popover); }
.rv-sp--mobile { max-width: 390px; margin-inline: auto; border-radius: 22px; }
.rv-sp__chrome { display: flex; align-items: center; gap: 6px; padding: 6px 10px; background: var(--rv-neutral-100); border-bottom: 1px solid var(--rv-card-border); font-size: 11px; color: var(--rv-text-muted); min-width: 0; }
.rv-sp__chrome > span { width: 8px; height: 8px; border-radius: 50%; background: var(--rv-neutral-300); flex: 0 0 auto; }
.rv-sp__chrome > em { font-style: normal; flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; background: #fff; border-radius: 10px; padding: 0 8px; }
.rv-sp__chrome > b { font-weight: 500; white-space: nowrap; }
.rv-sp__site { display: flex; flex-direction: column; gap: 14px; padding: 12px 14px 0; max-height: 72vh; overflow: auto; }
.rv-sp--mobile .rv-sp__site { padding: 10px 10px 0; }
.rv-sp__site > * { flex-shrink: 0; min-width: 0; }
.rv-sp-muted { color: var(--rv-text-muted); margin: 0; }
.rv-sp-eyebrow { display: block; font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--rv-primary-700); }
.rv-sp h2, .rv-sp h3, .rv-sp h4 { margin: 2px 0 4px; line-height: 1.3; color: var(--rv-text-primary); }
.rv-sp h2 { font-size: 18px; } .rv-sp h3 { font-size: 15px; } .rv-sp h4 { font-size: 13px; }
.rv-sp-btn { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: var(--rv-radius-pill); background: var(--rv-primary-500); color: var(--rv-on-primary); font-weight: 600; font-size: 11px; white-space: nowrap; }
.rv-sp-btn--ghost { background: #fff; border: 1px solid var(--rv-card-border); color: var(--rv-text-primary); }

.rv-sp-head { display: flex; align-items: center; gap: 10px; min-width: 0; }
.rv-sp-logo { height: 22px; width: auto; }
.rv-sp-nav { display: flex; gap: 2px; padding: 2px; border-radius: var(--rv-radius-pill); background: var(--rv-neutral-100); margin-right: auto; }
.rv-sp-nav > span { padding: 2px 8px; border-radius: var(--rv-radius-pill); white-space: nowrap; }
.rv-sp-nav > span.is-on { background: var(--rv-primary-500); color: var(--rv-on-primary); font-weight: 600; }
.rv-sp-head__icons { display: inline-flex; gap: 8px; color: var(--rv-text-muted); margin-left: auto; }
.rv-sp--desktop .rv-sp-head__icons { margin-left: 0; }

.rv-sp-hero { position: relative; border-radius: var(--sp-r); overflow: hidden; background: var(--rv-primary-50); aspect-ratio: 16 / 9; }
.rv-sp--mobile .rv-sp-hero { aspect-ratio: 4 / 5; }
.rv-sp-hero__media, .rv-sp-hero__img { position: absolute; inset: 0; width: 100%; height: 100%; }
.rv-sp-hero__img { object-fit: cover; display: block; }
.rv-sp-hero__text { position: absolute; inset: 0 45% 0 0; display: flex; flex-direction: column; justify-content: center; gap: 4px; padding: 16px 18px;
  background: linear-gradient(90deg, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, .85) 60%, rgba(255, 255, 255, 0) 100%); }
.rv-sp--mobile .rv-sp-hero__text { inset: 38% 0 0 0; justify-content: flex-end; padding: 12px; background: linear-gradient(0deg, rgba(255, 255, 255, .97) 55%, rgba(255, 255, 255, 0) 100%); }
.rv-sp-hero__text h2 { font-size: 20px; } .rv-sp--mobile .rv-sp-hero__text h2 { font-size: 17px; }
.rv-sp-hero__text p { margin: 0; font-size: 11px; color: var(--rv-text-muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.rv-sp-accent { color: var(--rv-primary-700); }
.rv-sp-hero__meta { font-size: 10px; color: var(--rv-primary-800); }
.rv-sp-hero__ctas { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.rv-sp-hero__dots { position: absolute; left: 16px; bottom: 10px; display: flex; gap: 4px; }
.rv-sp-hero__dots i { width: 6px; height: 6px; border-radius: 3px; background: rgba(17, 24, 39, .25); }
.rv-sp-hero__dots i.is-on { width: 16px; background: var(--rv-primary-500); }
.rv-sp-hero.is-image-only .rv-sp-hero__dots { left: 50%; transform: translateX(-50%); }

.rv-sp-rail__head { margin-bottom: 6px; }
.rv-sp-rail__row, .rv-sp-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.rv-sp-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rv-sp--mobile .rv-sp-rail__row, .rv-sp--mobile .rv-sp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.rv-sp-more { font-size: 10px; margin-top: 4px; }
.rv-sp-card { border: 1px solid var(--rv-card-border); border-radius: 10px; overflow: hidden; background: #fff; display: flex; flex-direction: column; min-width: 0; }
.rv-sp-card__cover { position: relative; aspect-ratio: 16 / 9; background: var(--rv-neutral-100); }
.rv-sp-card__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rv-sp-card__badge { position: absolute; left: 4px; top: 4px; padding: 0 6px; border-radius: var(--rv-radius-pill); background: #fff; font-size: 9px; font-weight: 700; color: var(--rv-primary-800); }
.rv-sp-card__badge--free { left: auto; right: 4px; color: var(--rv-success); }
.rv-sp-card__body { display: flex; flex-direction: column; gap: 1px; padding: 6px; min-width: 0; }
.rv-sp-card__cat { font-size: 9px; color: var(--rv-primary-700); }
.rv-sp-card__title { font-size: 11px; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.rv-sp-card__why { font-size: 9px; color: var(--rv-violet); }
.rv-sp-card__meta { font-size: 9px; color: var(--rv-text-muted); }
.rv-sp-card__price { font-size: 11px; font-weight: 700; } .rv-sp-card__price s { color: var(--rv-text-muted); font-weight: 400; }

.rv-sp-ad { position: relative; display: flex; flex-direction: column; gap: 3px; }
.rv-sp-ad__label { align-self: flex-start; padding: 0 6px; border-radius: 3px; background: var(--rv-neutral-100); color: var(--rv-text-muted); font-size: 9px; font-weight: 700; letter-spacing: .04em; }
.rv-sp-ad__link { display: block; border-radius: 8px; overflow: hidden; line-height: 0; }
.rv-sp-ad__img { display: block; width: 100%; height: auto; }
.rv-sp-ad__meta { font-size: 10px; color: var(--rv-text-muted); }
.rv-sp-ad__missing { display: block; padding: 18px; text-align: center; line-height: 1.4; background: var(--rv-warning-bg); color: var(--rv-warning); font-size: 11px; }
.rv-sp-ad__err { display: none; padding: 14px; border-radius: 8px; background: var(--rv-danger-bg); color: var(--rv-danger); font-size: 11px; }
.rv-sp-ad.is-broken .rv-sp-ad__link { display: none; }
.rv-sp-ad.is-broken .rv-sp-ad__err { display: block; }
.rv-sp[data-mode="live"] .rv-sp-ad.is-broken { display: none; }
.rv-sp-ad--empty { flex-direction: row; align-items: center; gap: 8px; padding: 10px 12px; border: 1px dashed var(--rv-neutral-300); border-radius: 8px; color: var(--rv-text-muted); font-size: 11px;
  background: repeating-linear-gradient(135deg, var(--rv-neutral-50) 0 8px, #fff 8px 16px); }
.rv-sp-ad.is-highlight { outline: 2px solid var(--rv-primary-600); outline-offset: 3px; border-radius: 8px; }
.rv-sp-ad.is-forced .rv-sp-ad__label::after { content: ' · Preview Creative'; font-weight: 400; }

.rv-sp-cats__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 6px; }
.rv-sp-cat { display: flex; flex-direction: column; gap: 1px; padding: 8px; border: 1px solid var(--rv-card-border); border-radius: 10px; color: var(--rv-primary-800); }
.rv-sp-cat b { color: var(--rv-text-primary); font-size: 11px; } .rv-sp-cat em { font-style: normal; color: var(--rv-text-muted); font-size: 10px; }
.rv-sp-why { padding: 12px; border-radius: var(--sp-r); background: var(--rv-neutral-50); }
.rv-sp-why__steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.rv-sp--mobile .rv-sp-why__steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.rv-sp-why__steps p { margin: 0; font-size: 10px; color: var(--rv-text-muted); }
.rv-sp-why__n { display: block; font-weight: 700; color: var(--rv-primary-600); }
.rv-sp-pkg { padding: 12px; border-radius: var(--sp-r); background: var(--rv-primary-50); display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.rv-sp-pkg__row { display: flex; flex-wrap: wrap; gap: 6px; }
.rv-sp-pkg__item { display: flex; flex-direction: column; padding: 6px 10px; border-radius: 10px; background: #fff; }
.rv-sp-pkg__item em { font-style: normal; color: var(--rv-primary-800); font-size: 11px; }
.rv-sp-articles { padding: 10px 12px; border-radius: var(--sp-r); border: 1px dashed var(--rv-card-border); }
.rv-sp-hidden { padding: 8px 10px; border: 1px dashed var(--rv-warning-border); border-radius: 8px; background: var(--rv-warning-bg); color: var(--rv-warning); font-size: 11px; }
.rv-sp[data-mode="live"] .rv-sp-hidden { display: none; }

.rv-sp-foot { margin: 4px -14px 0; padding: 12px 14px; background: var(--rv-neutral-50); border-top: 1px solid var(--rv-card-border); font-size: 10px; }
.rv-sp--mobile .rv-sp-foot { margin-inline: -10px; }
.rv-sp-foot__grid { display: grid; grid-template-columns: 2fr repeat(4, minmax(0, 1fr)); gap: 10px; }
.rv-sp--mobile .rv-sp-foot__grid { grid-template-columns: 1fr 1fr; }
.rv-sp-foot__grid > div { display: flex; flex-direction: column; gap: 2px; min-width: 0; overflow-wrap: anywhere; }
.rv-sp-foot__about p { margin: 0; color: var(--rv-text-muted); }
.rv-sp-foot__bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--rv-card-border); color: var(--rv-text-muted); }
.rv-sp-foot__legal { display: inline-flex; flex-wrap: wrap; gap: 8px; }

.rv-sp-cat-head { display: flex; flex-direction: column; gap: 6px; }
.rv-sp-search { padding: 5px 10px; border: 1px solid var(--rv-card-border); border-radius: var(--rv-radius-pill); color: var(--rv-text-muted); display: flex; gap: 6px; align-items: center; }
.rv-sp-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.rv-sp-chip { padding: 1px 8px; border-radius: var(--rv-radius-pill); border: 1px solid var(--rv-card-border); font-size: 10px; }
.rv-sp-chip.is-dim { opacity: .45; cursor: not-allowed; }
.rv-sp-wall { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 28px 12px; text-align: center; border: 1px solid var(--rv-card-border); border-radius: var(--sp-r); margin-bottom: 14px; }
.rv-sp-learn { display: grid; grid-template-columns: 2fr 1fr; gap: 10px; }
.rv-sp--mobile .rv-sp-learn { grid-template-columns: 1fr; }
.rv-sp-player { position: relative; aspect-ratio: 16 / 9; border-radius: 10px; background: #0f172a; color: #fff; display: flex; align-items: center; justify-content: center; }
.rv-sp-player__tag { position: absolute; left: 8px; top: 8px; font-size: 9px; padding: 0 6px; border-radius: 3px; background: rgba(255, 255, 255, .15); }
.rv-sp-player__wm { position: absolute; right: 10px; bottom: 10px; font-size: 10px; color: rgba(255, 255, 255, .55); transform: rotate(-8deg); }
.rv-sp-learn__side ol { margin: 4px 0 0; padding-left: 16px; display: flex; flex-direction: column; gap: 2px; font-size: 10px; }
.rv-sp-welcome { display: flex; gap: 8px; align-items: center; padding: 10px; border-radius: var(--sp-r); background: var(--rv-primary-50); }
.rv-sp-welcome > div { display: flex; flex-direction: column; }
.rv-sp-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.rv-sp-stats > span { display: flex; flex-direction: column; padding: 8px; border: 1px solid var(--rv-card-border); border-radius: 10px; font-size: 10px; color: var(--rv-text-muted); }
.rv-sp-stats b { font-size: 16px; color: var(--rv-text-primary); }
.rv-sp-inbox { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.rv-sp-inbox__item { display: flex; flex-direction: column; padding: 6px 8px; border-radius: 8px; border: 1px solid var(--rv-card-border); font-size: 10px; }
.rv-sp-inbox__item.is-new { border-color: var(--rv-primary-300); background: var(--rv-primary-50); }
.rv-sp-page { display: flex; flex-direction: column; gap: 6px; padding-bottom: 6px; }
.rv-sp-page__img { border-radius: var(--sp-r); overflow: hidden; aspect-ratio: 3 / 2; max-height: 220px; }
.rv-sp-page__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rv-sp-page__body p { margin: 0 0 6px; } .rv-sp-page__body ul { margin: 0 0 6px; padding-left: 18px; }
.rv-sp-contact { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.rv-sp-contact li { display: flex; gap: 6px; align-items: center; }

/* page map (placement schematic) */
.rv-sp-map { display: flex; flex-direction: column; gap: 3px; width: 100%; max-width: 220px; padding: 8px; border: 1px solid var(--rv-card-border); border-radius: var(--rv-radius-card); background: var(--rv-neutral-50); font-size: 10px; }
.rv-sp-map__page { font-weight: 600; margin-bottom: 2px; }
.rv-sp-map__b { display: block; padding: 2px 6px; border-radius: 3px; background: var(--rv-neutral-200); color: var(--rv-text-muted); }
.rv-sp-map__b--hero { padding-block: 8px; } .rv-sp-map__b--grid { padding-block: 6px; }
.rv-sp-map__b--ad { background: repeating-linear-gradient(135deg, var(--rv-neutral-100) 0 4px, #fff 4px 8px); border: 1px dashed var(--rv-neutral-300); }
.rv-sp-map__b--ad.is-on { background: var(--rv-primary-500); border-color: var(--rv-primary-700); color: var(--rv-on-primary); font-weight: 700; }

/* The desktop composition degrades inside narrow containers (e.g. a phone looking at the desktop preview). */
@container (max-width: 680px) {
  .rv-sp--desktop .rv-sp-nav { display: none; }
  .rv-sp--desktop .rv-sp-head__icons { margin-left: auto; }
  .rv-sp--desktop .rv-sp-rail__row { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 31%; overflow-x: auto; padding-bottom: 4px; }
  .rv-sp--desktop .rv-sp-foot__grid { grid-template-columns: 1fr 1fr; }
}
@container (max-width: 440px) {
  .rv-sp--desktop .rv-sp-grid, .rv-sp--desktop .rv-sp-why__steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rv-sp--desktop .rv-sp-rail__row { grid-auto-columns: 46%; }
  .rv-sp--desktop .rv-sp-btn--ghost { display: none; }
  .rv-sp--desktop .rv-sp-hero__text { inset: 0 20% 0 0; }
  .rv-sp--desktop .rv-sp-learn { grid-template-columns: 1fr; }
}