/* A physical cover and paper edges for every library book. */
.resource-book {
  display: block;
  position: relative;
  perspective: 1300px;
  padding-bottom: 5px;
  isolation: isolate;
}
.resource-pages {
  position: absolute;
  inset: 6px 2px 0 6px;
  border: 1px solid #cdbb9f;
  border-radius: 5px 8px 8px 5px;
  background: repeating-linear-gradient(0deg,#f9f3e8 0 2px,#ded0b8 2px 3px);
  box-shadow: 3px 7px 12px #5b3d2518;
}
.resource-card .resource-cover {
  transform-origin: left center;
  transform-style: preserve-3d;
  border: 1px solid #8b6a3f26;
  border-left: 5px solid #684b352b;
  border-radius: 3px 8px 8px 3px;
  box-shadow: inset 8px 0 10px #3e2b1610,1px 4px 8px #4c38251a;
  transition: transform .6s cubic-bezier(.2,.7,.15,1),box-shadow .6s;
}
.resource-card:is(:hover,:focus-visible) .resource-cover {
  transform: rotateY(-13deg);
  box-shadow: 8px 10px 18px #50392026;
}
.resource-card[aria-expanded=true] .resource-cover {
  transform: rotateY(-25deg);
}

/* The native dialog keeps the background inert and contains the focus cycle. */
.reader-dialog {
  --reader-paper: #fcf7eb;
  --reader-paper-shade: #eee1cb;
  --reader-bronze: #957247;
  --reader-ink: #254a3b;
  --reader-cover: #194c3d;
  --reader-cover-light: #305f4c;
  --reader-cover-ink: #d9bc8a;
  width: min(1080px,calc(100% - 40px));
  max-width: none;
  max-height: 96svh;
  padding: 54px 24px 22px;
  border: 0;
  border-radius: 0;
  color: var(--reader-ink);
  background: transparent;
  box-shadow: none;
  overflow: visible;
}
.reader-dialog::backdrop {
  background: #241e17c9;
  backdrop-filter: blur(9px);
}
.reader-dialog[data-cover=sage] {
  --reader-cover: #ead4b0;
  --reader-cover-light: #f0dfc3;
  --reader-cover-ink: #795832;
}
.reader-dialog[data-cover=cream] {
  --reader-cover: #c99564;
  --reader-cover-light: #d6aa7e;
  --reader-cover-ink: #fff0d6;
}
.reader-dialog[data-cover=paper] {
  --reader-cover: #f0e3cc;
  --reader-cover-light: #f7eddb;
  --reader-cover-ink: #796047;
}
.reader-dialog[data-cover=olive] {
  --reader-cover: #777c51;
  --reader-cover-light: #8b9065;
  --reader-cover-ink: #faf1d5;
}
.reader-dialog[data-cover=blue] {
  --reader-cover: #ddd1bd;
  --reader-cover-light: #e8decf;
  --reader-cover-ink: #5f674b;
}
.reader-dialog > .dialog-close {
  inset: 0 26px auto auto;
  width: 42px;
  height: 42px;
  z-index: 8;
  border: 1px solid #c4ad8170;
  color: #f4e8cd;
  background: #372b20e8;
  box-shadow: 0 4px 14px #17100838;
}
.reader-dialog > .dialog-close:hover { background: #64492f; }
.reader-viewport {
  max-height: calc(96svh - 90px);
  padding: 8px 12px 20px;
  overflow: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #aa8c61 #e8dcc7;
  perspective: 2100px;
}
.reader-book {
  position: relative;
  transform: translateX(-25%) scale(.94) rotateZ(2deg);
  transform-style: preserve-3d;
  margin: 0 auto;
  width: 100%;
}
.reader-spread {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  direction: rtl;
}
.reader-page {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 555px;
  padding: 30px clamp(24px,3.6vw,46px) 24px;
  border: 1px solid #a68b5c69;
  background-color: var(--reader-paper);
  color: var(--reader-ink);
  box-shadow: 0 3px #eee4d0,0 5px #b9a684,0 7px #eee4d0,0 9px #8b6b462b,0 18px 24px #120e0a38;
  overflow-wrap: anywhere;
}
.reader-page-intro {
  border-radius: 0 7px 7px 0;
  background-image: linear-gradient(90deg,#82644533,transparent 8%,#fff6 60%,transparent);
}
.reader-page-practice {
  opacity: 0;
  border-radius: 7px 0 0 7px;
  background-image: linear-gradient(270deg,#80623f30,transparent 9%,#fff3 70%,#e4d2ac24);
}
.reader-page-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  margin-bottom: 25px;
  border-bottom: 1px solid #aa8e5e4d;
  font-size: 11px;
  color: #8a6c40;
}
.reader-page-top > span:last-child { font-size: 23px;line-height: 1; }
.reader-dialog .reader-kicker { margin: 0 0 13px;font-size: 11px;color: #8a6c40; }
.reader-dialog #reader-title {
  font-family: var(--font-arabic,'Tajawal',sans-serif);
  font-size: clamp(29px,3vw,39px);
  line-height: 1.45;
  margin: 0 0 16px;
  letter-spacing: -.3px;
}
.reader-dialog #reader-title:focus { outline: none; }
.reader-dialog #reader-intro { font-size: 14px;line-height: 1.95;color: #5e6555;margin-bottom: 26px; }
.reader-dialog .reader-story { margin-bottom: 20px; }
.reader-dialog #reader-story-title { font-size: 19px;line-height: 1.65;margin: 0 0 10px; }
.reader-dialog .reader-story p,
.reader-dialog .reader-idea p,
.reader-dialog .reader-example p { font-size: 14px;line-height: 1.95;color: #5e6555;margin: 0; }
.reader-dialog .reader-idea { border-block: 1px solid #aa8e5e4d;padding-block: 14px;margin-bottom: 22px; }
.reader-dialog .reader-idea > span,
.reader-dialog .reader-example > span { display: block;font-size: 11px;color: #876a43;margin-bottom: 6px; }
.reader-dialog .reader-example { background: #e9dfc74d;padding: 15px 17px;margin-bottom: 26px; }
.reader-dialog .reader-reflection {
  border-right: 2px solid #a38350;
  background: #e9dfc74d;
  padding: 15px 17px;
  margin: auto 0 22px;
}
.reader-dialog .reader-reflection > span { color: #876a43;font-size: 11px; }
.reader-dialog .reader-reflection p { color: var(--reader-ink);font-size: 14px;line-height: 1.9; }
.reader-dialog .reader-note { margin: 0 0 22px;font-size: 10px;line-height: 1.85;color: #7a765f; }
.reader-dialog #reader-practice-title { font-family: var(--font-arabic,'Tajawal',sans-serif);font-size: 27px;line-height: 1.5;margin: 0; }
.reader-dialog #reader-steps { margin: 20px 0 28px;padding-right: 23px;gap: 21px;font-size: 15px;line-height: 1.9; }
.reader-dialog #reader-steps li { padding-right: 5px; }
.reader-dialog #reader-steps li::marker { color: #9b7741; }
.reader-dialog .reader-actions { margin-top: auto;gap: 8px; }
.reader-dialog .reader-actions .small-button { background: #eee5d2;border-color: #cbb794;color: #35513c;font-size: 11px;padding: 10px 13px;line-height: 1.7; }
.reader-dialog .reader-actions a.small-button { display: inline-flex;align-items: center;justify-content: center;text-align: center;text-decoration: none; }
.reader-dialog .reader-actions .small-button:hover { background: #dfd0b4; }
.reader-dialog .reader-actions #open-planner { background: #285440;color: #f9f2df;border-color: #285440; }
.reader-page-number { display: block;margin-top: 22px;padding-top: 13px;border-top: 1px solid #aa8e5e40;font-size: 10px;color: #8b7755; }
.reader-dialog .dialog-status { margin-top: 14px;color: #2f6548; }
.reader-dialog[data-story=noura] #reader-story {white-space:pre-line;font-size:15px;line-height:2.05}
.reader-dialog[data-story=noura] .reader-story {margin-bottom:26px}
.reader-dialog[data-story=noura] #download-resource {background:#285440;color:#fff6e7;border-color:#285440}
.reader-hinge {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  max-height: calc(96svh - 118px);
  z-index: 4;
  transform: rotateY(0deg);
  transform-origin: left center;
  transform-style: preserve-3d;
  pointer-events: none;
}
.reader-cover-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid #b99c6566;
  border-radius: 2px 9px 9px 2px;
  padding: 34px 38px;
  overflow: hidden;
}
.reader-cover-front {
  transform: translateZ(1px);
  color: var(--reader-cover-ink);
  background: linear-gradient(90deg,#1424177d 0,transparent 4%,#ffffff08 12%,transparent 85%),linear-gradient(135deg,var(--reader-cover-light),var(--reader-cover));
  box-shadow: inset 7px 0 9px #151b123b,6px 10px 20px #201a1238;
}
.reader-cover-front:after { content:'';position:absolute;inset:13px 13px 13px 18px;border:1px solid currentColor;opacity:.24;pointer-events:none; }
.reader-cover-edition,.reader-cover-bottom { display:flex;justify-content:space-between;gap:16px;font-size:12px;line-height:1.7; }
.reader-cover-edition { padding-bottom:20px;border-bottom:1px solid #ead5ab59; }
.reader-cover-title { display:block;white-space:pre-line;font-size:clamp(32px,3.8vw,49px);line-height:1.55;margin-top:38px;font-weight:700;position:relative;z-index:1; }
.reader-cover-flower { width:52%;height:auto;min-height:0;aspect-ratio:1;margin:18px auto;opacity:.58; }
.reader-cover-bottom { margin-top:auto;padding-top:17px;border-top:1px solid #ead5ab59; }
.reader-cover-back {
  transform: rotateY(180deg) translateZ(1px);
  align-items: center;
  justify-content: center;
  gap: 22px;
  background: linear-gradient(90deg,#d9c7a5,#f6eddb 11%,#fcf7eb 85%,#dfcfb0);
  color: #9a7d4d;
  border-radius: 9px 2px 2px 9px;
}
.reader-cover-back svg { width:56%;height:auto;aspect-ratio:1;opacity:.28; }
.reader-cover-back span { font-size:14px;opacity:.55; }
.reader-dialog[data-phase=open] .reader-book { transform:none; }
.reader-dialog[data-phase=open] .reader-page-practice { opacity:1; }
.reader-dialog[data-phase=open] .reader-hinge { transform:rotateY(-178deg);opacity:0;visibility:hidden; }
.reader-dialog:is([data-phase=opening],[data-phase=closing]) .reader-viewport { overflow:hidden; }

@media(max-width:700px) {
  .reader-dialog { width:calc(100% - 16px);max-height:96svh;padding:49px 0 9px;overflow:hidden; }
  .reader-dialog > .dialog-close { right:8px;width:40px;height:40px; }
  .reader-viewport { max-height:calc(96svh - 67px);padding:3px 7px 13px;perspective:1500px; }
  .reader-book { transform:scale(.94); }
  .reader-spread { display:block; }
  .reader-page { min-height:0;padding:26px 24px;border-radius:0;background:var(--reader-paper);box-shadow:2px 2px #d5c3a0,4px 4px #f1e8d6; }
  .reader-page-intro { border-radius:5px 5px 0 0;border-bottom:0;padding-bottom:0;background-image:linear-gradient(90deg,#d6c39f1c,transparent 20%); }
  .reader-page-practice { border-radius:0 0 5px 5px;border-top:0;padding-top:20px; }
  .reader-page-top { margin-bottom:20px;font-size:10px; }
  .reader-page-practice .reader-page-top,.reader-page-intro .reader-page-number { display:none; }
  .reader-dialog #reader-title { font-size:30px;line-height:1.45; }
  .reader-dialog #reader-intro { font-size:14px;margin-bottom:23px; }
  .reader-dialog .reader-reflection { margin:0 0 20px;padding:14px 15px; }
  .reader-dialog .reader-reflection p { font-size:14px; }
  .reader-dialog .reader-note { margin-bottom:9px; }
  .reader-dialog #reader-practice-title { font-size:24px; }
  .reader-dialog #reader-steps { font-size:14px;gap:19px;margin:17px 0 25px; }
  .reader-dialog .reader-actions .small-button { padding:11px 13px;min-height:43px; }
  .reader-hinge { width:100%;max-height:calc(96svh - 83px); }
  .reader-cover-face { padding:30px 27px; }
  .reader-cover-title { font-size:38px; }
  .reader-cover-flower { max-width:160px;margin:25px auto; }
  .reader-cover-bottom { margin-top:30px; }
  .reader-dialog[data-phase=open] .reader-hinge { transform:rotateY(-150deg); }
}
@media(prefers-reduced-motion:reduce) {
  .resource-card .resource-cover,.resource-card:is(:hover,:focus-visible) .resource-cover,.resource-card[aria-expanded=true] .resource-cover { transform:none;transition:none; }
  .reader-dialog .reader-book { transform:none; }
}