/* ───────── Reader ───────── */
body.reader-mode { --bottom-h: 0px; padding-bottom: 0; background: var(--rd-bg, #0b0b0e); }
.reader-main { min-height: 100vh; }
:root { --rd-bg: #0b0b0e; }
body[data-rbg="gray"] { --rd-bg: #2a2b30; }
body[data-rbg="white"] { --rd-bg: #f4f4f4; }

.r-top, .r-bottom { position: fixed; inset-inline: 0; z-index: var(--layer-header); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(16px) saturate(150%); -webkit-backdrop-filter: blur(16px) saturate(150%);
  transition: transform .3s var(--ease), opacity .3s; }
.r-top { top: 0; border-bottom: 1px solid var(--line); }
.r-bottom { bottom: 0; border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
body.bars-hidden .r-top { transform: translateY(-100%); }
body.bars-hidden .r-bottom { transform: translateY(100%); }
.r-top .in { height: 56px; display: flex; align-items: center; gap: 8px; padding-inline: 10px; max-width: 1200px; margin: 0 auto; }
.r-title { min-width: 0; flex: 1; display: flex; flex-direction: column; line-height: 1.3; }
.r-title a { font-weight: 700; font-size: .92em; }
.r-title span { color: var(--muted); font-size: .76em; }
.r-select { max-width: 170px; height: 38px; font-size: .86em; }
.r-bottom .in { height: 60px; display: flex; align-items: center; gap: 10px; padding-inline: 12px; max-width: 900px; margin: 0 auto; }
.r-progress { flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .8em; font-weight: 600; font-variant-numeric: tabular-nums; }
.r-progress > span { min-width: 2ch; text-align: center; }
.r-progress input[type=range] { flex: 1; min-width: 0; accent-color: var(--brand); height: 32px; margin: 0; cursor: pointer; }
.r-topbar-progress { position: fixed; top: 0; inset-inline: 0; height: 3px; z-index: 61; pointer-events: none; }
.r-topbar-progress span { display: block; height: 100%; width: 0; background: var(--grad); transition: width .2s linear; }
[dir="rtl"] .r-topbar-progress span { margin-inline-start: 0; }

/* pages */
.pages { max-width: var(--rd-width, 800px); margin: 0 auto; padding-top: 56px; padding-bottom: 20px; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.pages.fit-full { max-width: 100%; }
.pages.fit-original { max-width: none; width: max-content; }
.page { position: relative; background: color-mix(in srgb, var(--rd-bg) 80%, #888 4%); width: 100%; }
.page img { width: 100%; height: auto; display: block; -webkit-user-drag: none; user-select: none; pointer-events: none; }
/* not requested yet: no broken-image icon / alt text, just the reserved space */
.page img:not([src]) { visibility: hidden; }
.page.is-error img { visibility: hidden; position: absolute; }
.page.is-loading::after { content: ""; position: absolute; top: 50%; left: 50%; width: 28px; height: 28px; margin: -14px; border: 3px solid rgba(255,255,255,.12); border-top-color: var(--brand); border-radius: 50%; animation: spin .8s linear infinite; }
.page.is-error { display: grid; place-items: center; min-height: 240px; }
.page.is-error button { position: relative; z-index: 2; }
.pages.gap .page + .page { margin-top: 10px; }
.page-num { position: absolute; bottom: 6px; inset-inline-start: 8px; font-size: 11px; color: rgba(255,255,255,.55); background: rgba(0,0,0,.4); padding: 0 6px; border-radius: 5px; pointer-events: none; opacity: 0; transition: opacity .2s; }
body:not(.bars-hidden) .page-num { opacity: 1; }

/* paged / double */
.pages.paged { max-width: none; height: 100vh; height: 100dvh; padding: 0; display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; }
.pages.paged .page { display: none; width: auto; height: 100%; background: none; }
.pages.paged .page.is-current { display: flex; align-items: center; justify-content: center; }
.pages.paged .page img { width: auto; max-width: 100vw; max-height: 100vh; max-height: 100dvh; object-fit: contain; }
.pages.paged.fit-width .page img { max-height: none; width: 100vw; max-width: 900px; }
.pages.paged.fit-width { overflow-y: auto; align-items: flex-start; }
.pages.double .page.is-current, .pages.double .page.is-pair { display: flex; height: 100%; max-width: 50vw; }
.pages.double .page img { max-width: 50vw; }
/* "two pages" only makes sense on wide screens; narrow screens read it as single pages */
@media (max-width: 899px) { .pages.double .page.is-current { max-width: none; } .pages.double .page img { max-width: 100vw; } }
.pages.paged { -webkit-tap-highlight-color: transparent; cursor: pointer; }
.pages.paged .page.is-entering img { animation: pageIn .26s var(--ease-out); }
@keyframes pageIn { from { transform: translateX(calc(var(--enter-x, 1) * 7%)); opacity: .35; } }

/* end card */
.chapter-end { max-width: 820px; margin: 0 auto; padding: 30px 16px 60px; }
.next-card { display: grid; grid-template-columns: 90px 1fr; gap: 16px; align-items: center; padding: 16px; border-radius: var(--r-xl); background: var(--surface); border: 1px solid var(--line-2); position: relative; overflow: hidden; box-shadow: var(--shadow-lg); }
.next-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 0% 50%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 60%); pointer-events: none; }
.next-card > * { position: relative; }
.next-card .card-cover { border-radius: 10px; }
.thanks-btn.is-on { background: color-mix(in srgb, var(--danger) 16%, var(--surface)); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, transparent); }

/* settings drawer */
.r-panel { position: fixed; z-index: var(--layer-reader); inset-block: 0; inset-inline-end: 0; width: min(380px, 100vw); background: var(--elev); border-inline-start: 1px solid var(--line-2); box-shadow: var(--shadow-lg); transform: translateX(-102%); visibility: hidden;
  transition: transform .3s var(--ease-out), visibility 0s linear .3s; overflow-y: auto; overscroll-behavior: contain; padding: 18px 18px calc(40px + env(safe-area-inset-bottom)); }
[dir="ltr"] .r-panel { transform: translateX(102%); }
.r-panel.is-open { transform: none; visibility: visible; transition-delay: 0s; }
.r-panel h4, .r-panel .r-h { font-size: .85em; color: var(--muted); margin: 18px 0 8px; }
.r-panel .seg { width: 100%; flex-wrap: nowrap; border-radius: var(--r); }
.r-panel .seg label { flex: 1 1 0; min-width: 0; display: flex; }
.r-panel .seg span { width: 100%; justify-content: center; text-align: center; height: auto; min-height: 40px; padding: 6px 6px; line-height: 1.3; border-radius: var(--r-sm); white-space: normal; }
.r-panel .seg span .ic { display: none; }
@media (min-width: 420px) { .r-panel .seg span .ic { display: inline-block; } }
@media (max-width: 899px) { .r-panel [data-wide-only] { display: none; } }
@media (hover: none) { .r-panel .kbd-only { display: none; } }
.r-scrim { position: fixed; inset: 0; z-index: var(--layer-reader-scrim); background: var(--overlay); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.r-scrim.is-open { opacity: 1; visibility: visible; }
.kbd-list { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: .85em; color: var(--text-2); align-items: center; }

/* resume prompt */
.resume-pop { position: fixed; z-index: var(--layer-nav); bottom: calc(72px + env(safe-area-inset-bottom)); inset-inline: 12px; width: auto; max-width: 400px; margin-inline: auto; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px 12px;
  padding: 12px 14px; border-radius: var(--r-lg); background: var(--elev); border: 1px solid color-mix(in srgb, var(--brand) 40%, transparent); box-shadow: var(--shadow-lg); animation: toastIn .35s var(--ease-out); }
.resume-pop.is-out { animation: toastOut .22s forwards; }
.resume-pop .rp-text { display: flex; flex-direction: column; min-width: 0; font-size: .9em; line-height: 1.45; }
.resume-pop .rp-text .muted { font-size: .88em; }
.resume-pop .rp-bar { grid-column: 1 / -1; grid-row: 2; height: 4px; border-radius: 2px; background: var(--surface-3); overflow: hidden; }
.resume-pop .rp-bar span { display: block; height: 100%; background: var(--grad); }
.resume-pop .rp-actions { display: flex; gap: 6px; }
@media (max-width: 380px) { .resume-pop .rp-actions { grid-column: 1 / -1; } .resume-pop .rp-actions .btn { flex: 1; } }

/* novel reader */
.novel { max-width: var(--nv-width, 720px); margin: 0 auto; padding: 80px 20px 30px; font-family: var(--nv-font, 'Naskh'), 'Readex', serif; font-size: var(--nv-size, 20px); line-height: var(--nv-lh, 2.1); text-align: var(--nv-align, start); color: var(--nv-color, var(--text)); }
.novel p { margin: 0 0 1.1em; position: relative; }
.novel h1 { font-family: var(--font-display); font-weight: 400; font-size: 1.6em; text-align: center; margin-bottom: 1.2em; line-height: 1.4; }
.novel.no-copy { user-select: none; -webkit-user-select: none; }
.novel { overflow-wrap: anywhere; }
.novel img, .novel table { max-width: 100%; }
.r-panel { max-height: var(--visible-vh, 100dvh); }
@media (max-width: 900px), (pointer: coarse) {
  .r-bar button, .r-bar a, .r-select, .r-panel button, .r-panel .seg span { min-height: 44px; }
  .r-select, .r-panel input, .r-panel select { font-size: 16px; }
  .r-bar .icon-btn { min-width: 44px; }
}
body[data-nv-theme="light"] { --rd-bg: #fbfaf7; --nv-color: #1b1b1f; }
body[data-nv-theme="sepia"] { --rd-bg: #f4ecd8; --nv-color: #4a3b26; }
body[data-nv-theme="dark"] { --rd-bg: #16171c; --nv-color: #dcdee6; }
body[data-nv-theme="black"] { --rd-bg: #000; --nv-color: #c9cbd3; }
@font-face { font-family: 'Naskh'; font-display: swap; font-weight: 400; src: url(../fonts/noto-naskh-arabic-arabic-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'Naskh'; font-display: swap; font-weight: 700; src: url(../fonts/noto-naskh-arabic-arabic-700-normal.woff2) format('woff2'); }
@font-face { font-family: 'Amiri'; font-display: swap; font-weight: 400; src: url(../fonts/amiri-arabic-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'Amiri'; font-display: swap; font-weight: 700; src: url(../fonts/amiri-arabic-700-normal.woff2) format('woff2'); }
@font-face { font-family: 'Plex'; font-display: swap; font-weight: 400; src: url(../fonts/ibm-plex-sans-arabic-arabic-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'Plex'; font-display: swap; font-weight: 700; src: url(../fonts/ibm-plex-sans-arabic-arabic-700-normal.woff2) format('woff2'); }
body.reader-mode[data-rbg="white"] .chapter-end, body.reader-mode[data-nv-theme="light"] .chapter-end, body.reader-mode[data-nv-theme="sepia"] .chapter-end { color: var(--text); }

@media (max-width: 600px) {
  .r-select { max-width: 112px; }
  .r-top .in { gap: 4px; padding-inline: 4px; }
  .r-top [data-report-open] { display: none; }
  .r-bottom .btn-ghost[data-r-prev] { background: var(--surface-2); }
}
body.reader-mode .r-bottom .btn[aria-disabled] { pointer-events: none; }

/* phones: thumb-sized bottom bar, roomier title */
@media (pointer: coarse) {
  .r-bottom .btn-sm { height: 44px; min-width: 44px; }
  .r-bottom .in { height: 64px; gap: 8px; }
  .r-top .icon-btn { width: 44px; height: 44px; }
}
@media (max-width: 600px) {
  .r-title a { font-size: .9em; }
  .r-select { height: 36px; padding-inline: 10px 30px; background-position: left 8px center; border-radius: var(--r-pill); }
}