.picture-books-body { height: 100vh; height: 100dvh; overflow: hidden; background: #f4f5fc; }
.picture-page { height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr); padding: max(22px, env(safe-area-inset-top)) max(28px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(28px, env(safe-area-inset-left)); gap: 24px; background: radial-gradient(ellipse at top right, #e4ddff 0%, transparent 60%), #f4f5fc; }
.picture-header { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; }
.picture-header > div { text-align: center; }
.picture-header h1 { font-size: clamp(24px, 3.3vw, 38px); margin: 0; }
.picture-header .eyebrow { font-size: 11px; letter-spacing: .16em; color: #7363b6; margin-bottom: 5px; }
.picture-back { width: fit-content; padding: 12px 18px; border: 1px solid #e2deef; border-radius: 14px; background: white; font-weight: 650; }
.picture-count { justify-self: end; color: #746c8b; font-size: 14px; }
.picture-layout { min-height: 0; display: grid; grid-template-columns: clamp(180px, 27vw, 320px) minmax(0, 1fr); gap: 22px; }
.picture-sidebar { min-height: 0; display: flex; flex-direction: column; background: #ffffffc9; border: 1px solid #e4dfef; border-radius: 20px; overflow: hidden; }
.picture-sidebar-heading { flex: none; padding: 19px 20px 16px; font-size: 13px; font-weight: 800; color: #756b89; border-bottom: 1px solid #eeebf4; }
.picture-list { min-height: 0; flex: 1; overflow-y: auto; padding: 9px; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; touch-action: pan-y; scrollbar-color: #c9c0e1 transparent; scrollbar-width: thin; }
.picture-item { display: block; width: 100%; min-height: 52px; padding: 13px 12px; border-radius: 11px; text-align: left; font-size: 15px; font-weight: 550; line-height: 1.55; color: #655b76; cursor: pointer; overflow-wrap: anywhere; border: 1px solid transparent; }
.picture-item:hover { background: #f2eefc; }
.picture-item[aria-current="true"] { background: #eae3ff; color: #5c43aa; border-color: #d5c8f5; font-weight: 750; }
.picture-item:focus-visible, .picture-back:focus-visible, .picture-fullscreen:focus-visible, .picture-play:focus-visible { outline: 3px solid #9b80e7; outline-offset: 2px; }
.picture-player { min-width: 0; min-height: 0; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; gap: 16px; padding: 22px; border: 1px solid #e4dfef; border-radius: 20px; background: #ffffffde; box-shadow: 0 16px 40px #65558d08; }
.picture-player-heading .eyebrow { font-size: 10px; color: #9185a7; }
.picture-player-heading h2 { margin: 0; font-size: clamp(18px, 2.2vw, 27px); line-height: 1.4; overflow-wrap: anywhere; }
.picture-stage { position: relative; min-height: 0; background: #14141e; border-radius: 14px; overflow: hidden; display: grid; place-items: center; }
.picture-stage video { display: block; width: 100%; height: 100%; min-height: 0; object-fit: contain; background: #14141e; }
.picture-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: grid; place-items: center; width: 78px; height: 78px; border-radius: 50%; background: #fffffff2; color: #6751ad; box-shadow: 0 8px 30px #0004; cursor: pointer; font-size: 27px; padding-left: 6px; }
.picture-play:disabled { opacity: .4; cursor: wait; }
.picture-fullscreen { position: absolute; right: 12px; top: 12px; padding: 10px 13px; border-radius: 10px; color: white; background: #272332d9; font-size: 13px; font-weight: 650; cursor: pointer; }
.picture-fullscreen:disabled { opacity: .45; cursor: default; }
.picture-play[hidden], .picture-caption button[hidden] { display: none; }
.picture-caption { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 16px; font-size: 13px; color: #847a94; }
.picture-caption p { margin: 0; line-height: 1.55; }
#pictureStatus { color: #7962a5; }
#pictureRetry { color: #6047a1; cursor: pointer; text-decoration: underline; }
.picture-stage:fullscreen { width: 100%; height: 100%; border-radius: 0; }
.picture-stage:-webkit-full-screen { width: 100%; height: 100%; border-radius: 0; }
@media (max-width: 900px) { .picture-page { padding: 18px; gap: 18px; } .picture-layout { gap: 14px; grid-template-columns: clamp(174px, 28vw, 250px) minmax(0, 1fr); } .picture-player { padding: 16px; gap: 12px; } }
@media (max-width: 600px) {
  .picture-page { padding: max(12px, env(safe-area-inset-top)) 10px max(12px, env(safe-area-inset-bottom)); gap: 12px; }
  .picture-header { gap: 8px; } .picture-header h1 { font-size: 23px; } .picture-header .eyebrow { display: none; }
  .picture-back { padding: 10px; font-size: 13px; } .picture-count { font-size: 12px; }
  .picture-layout { grid-template-columns: minmax(108px, 33%) minmax(0, 1fr); gap: 8px; }
  .picture-sidebar, .picture-player { border-radius: 13px; } .picture-sidebar-heading { padding: 14px 10px; font-size: 12px; }
  .picture-list { padding: 5px; } .picture-item { padding: 11px 7px; font-size: 12px; }
  .picture-player { padding: 10px; gap: 10px; } .picture-player-heading h2 { font-size: 17px; } .picture-player-heading .eyebrow { display: none; }
  .picture-caption { font-size: 11px; } .picture-play { width: 56px; height: 56px; font-size: 21px; }
  .picture-fullscreen { top: 7px; right: 7px; padding: 8px; font-size: 11px; }
}