/* ============================================================
   Nizam ul Amal Al-Fuqara — Reader stylesheet
   Classic & elegant: warm cream pages, serif type, gold accents
   ============================================================ */

/* ---------- Type scale ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
  --text-lg: clamp(1.2rem, 1.05rem + 0.7vw, 1.55rem);
  --text-xl: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem);
  --text-2xl: clamp(2.1rem, 1.4rem + 2.6vw, 3.6rem);
  --text-3xl: clamp(2.6rem, 1.2rem + 4vw, 5rem);

  /* Spacing (4px system) */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem;
  --radius-xl: 1rem; --radius-full: 9999px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-read: 680px;     /* ~65ch reading column */
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Source Serif 4', 'Georgia', serif;
  --font-ui: 'Outfit', 'Helvetica Neue', sans-serif;
  --font-arabic: 'Amiri', 'Noto Naskh Arabic', serif;
  --font-nastaliq: 'Noto Nastaliq Urdu', 'Amiri', serif;
}

/* ---------- Light (default) — warm cream & gold ---------- */
:root, [data-theme='light'] {
  --color-bg: #f5efe1;
  --color-surface: #faf5e9;
  --color-surface-2: #fdf9f0;
  --color-surface-offset: #efe6d2;
  --color-border: #e0d3b4;
  --color-divider: #e8dcc4;

  --color-text: #2e2820;
  --color-text-muted: #6d6450;
  --color-text-faint: #a89c80;
  --color-text-inverse: #faf5e9;

  --color-primary: #8a6a2f;        /* warm bronze/gold */
  --color-primary-hover: #6e521f;
  --color-primary-active: #533c14;

  --color-gold: #b8924a;
  --color-gold-soft: #c9a85f;
  --color-accent-deep: #5c4326;    /* deep walnut */

  --shadow-sm: 0 1px 2px rgba(70, 50, 20, 0.08);
  --shadow-md: 0 6px 22px rgba(70, 50, 20, 0.10);
  --shadow-lg: 0 18px 48px rgba(70, 50, 20, 0.16);

  --paper-tex: rgba(120, 90, 40, 0.025);
}

/* ---------- Dark — deep walnut & antique gold ---------- */
[data-theme='dark'] {
  --color-bg: #1b1812;
  --color-surface: #221e17;
  --color-surface-2: #2a251c;
  --color-surface-offset: #2e2920;
  --color-border: #423a2c;
  --color-divider: #322c22;

  --color-text: #e8ddc8;
  --color-text-muted: #a89a7e;
  --color-text-faint: #756a54;
  --color-text-inverse: #1b1812;

  --color-primary: #d9b46a;
  --color-primary-hover: #e6c684;
  --color-primary-active: #f0d59c;

  --color-gold: #d9b46a;
  --color-gold-soft: #c4a059;
  --color-accent-deep: #d9b46a;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 6px 22px rgba(0,0,0,0.5);
  --shadow-lg: 0 18px 48px rgba(0,0,0,0.6);

  --paper-tex: rgba(220, 190, 130, 0.02);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #1b1812; --color-surface: #221e17; --color-surface-2: #2a251c;
    --color-surface-offset: #2e2920; --color-border: #423a2c; --color-divider: #322c22;
    --color-text: #e8ddc8; --color-text-muted: #a89a7e; --color-text-faint: #756a54;
    --color-text-inverse: #1b1812; --color-primary: #d9b46a; --color-primary-hover: #e6c684;
    --color-primary-active: #f0d59c; --color-gold: #d9b46a; --color-gold-soft: #c4a059;
    --color-accent-deep: #d9b46a;
  }
}

/* ---------- Base reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none; text-size-adjust: none;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.78;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(var(--paper-tex) 1px, transparent 1px);
  background-size: 4px 4px;
  transition: background-color 300ms ease, color 300ms ease;
}

img, picture, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.18; font-family: var(--font-display); font-weight: 600; }
p { text-wrap: pretty; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

::selection { background: color-mix(in oklab, var(--color-gold) 30%, transparent); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

a, button, [role='button'] {
  transition: color var(--transition-interactive), background var(--transition-interactive),
              border-color var(--transition-interactive), box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}

/* ============================================================
   Layout: header, sidebar TOC, reading column
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) clamp(var(--space-4), 4vw, var(--space-10));
  background: color-mix(in oklab, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}
.site-header .brand {
  display: flex; align-items: center; gap: var(--space-3);
  color: var(--color-text); font-family: var(--font-display);
}
.site-header .brand .logo { color: var(--color-primary); flex-shrink: 0; }
.site-header .brand .brand-title { font-size: var(--text-lg); font-weight: 600; letter-spacing: 0.01em; line-height: 1.1; }
.site-header .brand .brand-sub { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.06em; text-transform: uppercase; }
.header-spacer { flex: 1; }

.header-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.4rem; height: 2.4rem; border-radius: var(--radius-full);
  color: var(--color-text-muted); border: 1px solid var(--color-border);
}
.header-btn:hover { color: var(--color-primary); border-color: var(--color-primary); }

.menu-toggle { display: none; }

/* Layout grid */
.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  max-width: var(--content-wide);
  margin: 0 auto;
  min-height: calc(100dvh - 4rem);
}
.layout.no-sidebar { grid-template-columns: 1fr; max-width: var(--content-default); }

/* ---------- Sidebar TOC ---------- */
.toc-sidebar {
  position: sticky; top: 4rem; align-self: start;
  height: calc(100dvh - 4rem); overflow-y: auto;
  padding: var(--space-8) var(--space-5) var(--space-12) clamp(var(--space-4), 3vw, var(--space-8));
  border-right: 1px solid var(--color-divider);
  font-family: var(--font-ui);
}
.toc-sidebar .toc-label {
  font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-text-faint); margin-bottom: var(--space-4); font-weight: 600;
}
.toc-sidebar ol { list-style: none; counter-reset: chap; display: flex; flex-direction: column; gap: var(--space-1); }
.toc-sidebar a {
  display: flex; gap: var(--space-3); align-items: baseline;
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.4;
}
.toc-sidebar a:hover { background: var(--color-surface-offset); color: var(--color-text); }
.toc-sidebar a.active { background: color-mix(in oklab, var(--color-gold) 16%, transparent); color: var(--color-text); font-weight: 600; }
.toc-sidebar a .num { color: var(--color-gold); font-size: var(--text-xs); min-width: 1.6em; font-weight: 600; }
.toc-sidebar .toc-group { margin-top: var(--space-5); }

/* ---------- Reading column ---------- */
.reader {
  padding: clamp(var(--space-8), 5vw, var(--space-20)) clamp(var(--space-4), 5vw, var(--space-16)) var(--space-32);
}
.reader-inner { max-width: var(--content-read); margin: 0 auto; }

.chapter-meta { font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-gold); margin-bottom: var(--space-4); font-weight: 600; }

.chapter-title {
  font-size: var(--text-2xl); font-weight: 600; color: var(--color-text);
  line-height: 1.1; margin-bottom: var(--space-3);
}
.chapter-subtitle { font-family: var(--font-display); font-style: italic; font-size: var(--text-lg); color: var(--color-text-muted); margin-bottom: var(--space-8); font-weight: 500; }

.rule-orn { display: flex; align-items: center; justify-content: center; gap: var(--space-4); margin: var(--space-10) 0; color: var(--color-gold); }
.rule-orn::before, .rule-orn::after { content: ''; height: 1px; flex: 1; max-width: 7rem; background: linear-gradient(to var(--dir, right), transparent, var(--color-border)); }
.rule-orn svg { width: 26px; height: 26px; opacity: 0.9; }

/* Body paragraphs */
.reader p.body { margin-bottom: var(--space-5); max-width: 65ch; }
.reader p.body:first-of-type::first-letter { /* optional drop look reserved */ }

/* In-chapter subheadings (term + translation) */
.subhead {
  margin: var(--space-12) 0 var(--space-5);
  scroll-margin-top: var(--space-20);
}
.subhead .term { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-text); font-weight: 600; line-height: 1.15; }
.subhead .gloss { font-family: var(--font-display); font-style: italic; font-size: var(--text-base); color: var(--color-primary); display: block; margin-top: var(--space-1); }
.subhead::after { content: ''; display: block; width: 3rem; height: 2px; background: var(--color-gold); margin-top: var(--space-3); border-radius: 2px; }

/* Mini contents within a chapter */
.mini-toc {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6) var(--space-8);
  margin: var(--space-8) 0 var(--space-12); box-shadow: var(--shadow-sm);
}
.mini-toc .mt-title { font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-text-faint); margin-bottom: var(--space-4); font-weight: 600; }
.mini-toc ul { list-style: none; columns: 2; column-gap: var(--space-8); }
.mini-toc li { margin-bottom: var(--space-2); break-inside: avoid; }
.mini-toc a { font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-text-muted); }
.mini-toc a:hover { color: var(--color-primary); }
@media (max-width: 560px) { .mini-toc ul { columns: 1; } }

/* ---------- Arabic / Urdu RTL blocks ---------- */
.verse-ar {
  direction: rtl; text-align: center; unicode-bidi: isolate;
  font-family: var(--font-arabic);
  font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2rem);
  line-height: 2.1; color: var(--color-accent-deep);
  margin: var(--space-8) auto; max-width: 100%;
  padding: var(--space-6) var(--space-6);
  background: color-mix(in oklab, var(--color-gold) 7%, var(--color-surface));
  border-radius: var(--radius-lg);
  border-block: 1px solid color-mix(in oklab, var(--color-gold) 30%, transparent);
}
[data-theme='dark'] .verse-ar { color: var(--color-primary); }

.verse-ur {
  direction: rtl; text-align: center; unicode-bidi: isolate;
  font-family: var(--font-nastaliq);
  font-size: clamp(1.15rem, 0.95rem + 1vw, 1.6rem);
  line-height: 2.6; color: var(--color-text);
  margin: var(--space-6) auto;
}

/* ---------- Couplet / poetry (English translation of verse) ---------- */
.couplet {
  margin: var(--space-8) auto; text-align: center;
  font-family: var(--font-display); font-style: italic;
  font-size: var(--text-lg); line-height: 1.7; color: var(--color-text);
  max-width: 52ch;
}
.couplet .attrib { display: block; font-style: normal; font-family: var(--font-ui);
  font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-gold); margin-top: var(--space-3); }

/* Inline reference / citation line */
.ref-line { font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-text-muted); text-align: center; margin: calc(-1 * var(--space-2)) 0 var(--space-6); font-style: italic; }

/* ---------- Prev / next nav ---------- */
.chapter-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4);
  margin-top: var(--space-20); padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.chapter-nav a {
  display: flex; flex-direction: column; gap: var(--space-1);
  padding: var(--space-5) var(--space-6); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); background: var(--color-surface);
  color: var(--color-text);
}
.chapter-nav a:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.chapter-nav a.next { text-align: right; align-items: flex-end; }
.chapter-nav a.disabled { opacity: 0; pointer-events: none; }
.chapter-nav .dir { font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-gold); font-weight: 600; }
.chapter-nav .label { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; line-height: 1.2; }

/* ============================================================
   Cover / Home page
   ============================================================ */
.cover {
  min-height: calc(100dvh - 4rem);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: var(--space-16) var(--space-6) var(--space-24);
  position: relative; overflow: hidden;
}
.cover-frame {
  max-width: 760px; width: 100%;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-24)) clamp(var(--space-6), 5vw, var(--space-16));
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  box-shadow: var(--shadow-lg);
  position: relative;
}
.cover-frame::before {
  content: ''; position: absolute; inset: 8px; border: 1px solid color-mix(in oklab, var(--color-gold) 45%, transparent);
  border-radius: calc(var(--radius-xl) - 4px); pointer-events: none;
}
.cover .bismillah {
  font-family: var(--font-arabic); direction: rtl;
  font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.3rem); color: var(--color-primary);
  margin-bottom: var(--space-8); line-height: 1.8;
}
.cover .ornament-top { color: var(--color-gold); margin: 0 auto var(--space-8); }
.cover h1 {
  font-size: var(--text-3xl); color: var(--color-text); line-height: 1.05;
  margin-bottom: var(--space-5); font-weight: 600; letter-spacing: -0.01em;
}
.cover .tagline { font-family: var(--font-display); font-style: italic; font-size: var(--text-lg); color: var(--color-text-muted); margin-bottom: var(--space-10); max-width: 36ch; margin-inline: auto; }
.cover .byline { font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-text-muted); line-height: 2; letter-spacing: 0.02em; }
.cover .byline strong { color: var(--color-text); font-weight: 600; }
.cover .byline .role { font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-gold); display: block; margin-top: var(--space-5); }
.cover .cta {
  display: inline-flex; align-items: center; gap: var(--space-3);
  margin-top: var(--space-12); padding: var(--space-4) var(--space-10);
  background: var(--color-primary); color: var(--color-text-inverse);
  border-radius: var(--radius-full); font-family: var(--font-ui); font-weight: 600;
  font-size: var(--text-sm); letter-spacing: 0.04em; box-shadow: var(--shadow-md);
}
.cover .cta:hover { background: var(--color-primary-hover); color: var(--color-text-inverse); transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* Home: contents grid below cover */
.home-toc { max-width: var(--content-default); margin: 0 auto; padding: var(--space-24) clamp(var(--space-4), 5vw, var(--space-16)); }
.home-toc h2 { text-align: center; font-size: var(--text-xl); margin-bottom: var(--space-3); }
.home-toc .sec-sub { text-align: center; font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-12); }
.toc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-5); }
.toc-card {
  display: grid; grid-template-columns: auto 1fr; column-gap: var(--space-4); align-items: start;
  padding: var(--space-6); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); background: var(--color-surface); color: var(--color-text);
  min-width: 0; overflow: hidden;
}
.toc-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-3px); color: var(--color-text); }
.toc-card .tc-num { grid-row: 1 / span 2; font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-gold); font-weight: 600; line-height: 1; min-width: 1.6em; }
.toc-card .tc-title { grid-column: 2; align-self: center; display: block; font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; line-height: 1.2; min-width: 0; overflow-wrap: break-word; }
.toc-card .tc-sub,
.toc-card .tc-gloss { grid-column: 2; display: block; font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-2); line-height: 1.4; min-width: 0; overflow-wrap: break-word; }
.toc-card .tc-num + .tc-title { align-self: start; }

/* About author image */
.author-portrait {
  float: right; width: 180px; border-radius: var(--radius-lg);
  margin: 0 0 var(--space-5) var(--space-6); box-shadow: var(--shadow-md);
  border: 3px solid var(--color-surface-2); outline: 1px solid var(--color-border);
}
@media (max-width: 560px) { .author-portrait { float: none; width: 160px; margin: 0 auto var(--space-6); } }

/* Front-matter centered lines (title page style) */
.fm-block { text-align: center; }
.fm-block .fm-line { margin-bottom: var(--space-2); }
.fm-block .fm-role { font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-gold); margin-top: var(--space-6); margin-bottom: var(--space-1); }
.fm-block .fm-name { font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-text); font-weight: 600; }
.fm-block .fm-sub { color: var(--color-text-muted); }

/* Abbreviation / definition list */
.abbr-list { list-style: none; display: grid; gap: var(--space-3); margin: var(--space-6) 0; }
.abbr-list li { display: grid; grid-template-columns: 4.5rem 1fr; gap: var(--space-4); padding-bottom: var(--space-3); border-bottom: 1px dotted var(--color-border); }
.abbr-list .ab-key { font-family: var(--font-display); font-weight: 600; color: var(--color-primary); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-12) var(--space-6); text-align: center;
  font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-text-muted);
}
.site-footer .foot-orn { color: var(--color-gold); margin: 0 auto var(--space-5); }
.site-footer a { color: var(--color-primary); }

/* ---------- Reading progress bar ---------- */
.progress-bar { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--color-gold); z-index: 60; transition: width 80ms linear; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .layout, .layout.no-sidebar { grid-template-columns: 1fr; }
  .menu-toggle { display: inline-flex; }
  .toc-sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; width: min(86vw, 340px); height: 100dvh;
    background: var(--color-surface); z-index: 70; transform: translateX(-100%);
    transition: transform 280ms cubic-bezier(0.16,1,0.3,1); box-shadow: var(--shadow-lg);
    padding-top: var(--space-16);
  }
  .toc-sidebar.open { transform: translateX(0); }
  .toc-backdrop { position: fixed; inset: 0; background: rgba(20,15,8,0.45); z-index: 65; opacity: 0; pointer-events: none; transition: opacity 250ms; }
  .toc-backdrop.show { opacity: 1; pointer-events: auto; }
}
@media (min-width: 901px) { .toc-backdrop { display: none; } }

@media (max-width: 560px) {
  .chapter-nav { grid-template-columns: 1fr; }
  .site-header .brand-sub { display: none; }
}

/* ============================================================
   Library landing (author-centric)
   ============================================================ */
.library { max-width: var(--content-default); margin: 0 auto; }
.lib-hero {
  text-align: center;
  padding: clamp(var(--space-16), 8vw, var(--space-32)) clamp(var(--space-4), 5vw, var(--space-16)) var(--space-20);
}
.lib-portrait {
  width: clamp(120px, 28vw, 168px); height: clamp(120px, 28vw, 168px);
  object-fit: cover; border-radius: var(--radius-full);
  margin: 0 auto var(--space-8); box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-surface-2); outline: 1px solid var(--color-gold);
}
.lib-hero-orn { color: var(--color-gold); margin: 0 auto var(--space-5); }
.lib-eyebrow {
  font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--color-gold); margin-bottom: var(--space-4); font-weight: 600;
}
.lib-author {
  font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 600;
  color: var(--color-text); line-height: 1.12; margin-bottom: var(--space-3);
}
.lib-honorifics {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: var(--space-2) var(--space-3); max-width: 46ch; margin: 0 auto var(--space-4);
}
.lib-honorific {
  font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-accent-deep); font-weight: 600;
  white-space: nowrap; position: relative;
}
.lib-honorific:not(:last-child)::after {
  content: "\2666"; color: var(--color-gold); opacity: 0.5;
  margin-left: var(--space-3); font-size: 0.6em; vertical-align: middle;
}
.lib-dates { font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-text-muted); letter-spacing: 0.04em; margin-bottom: var(--space-8); }
.lib-intro {
  font-family: var(--font-display); font-style: italic; font-size: var(--text-lg);
  color: var(--color-text-muted); max-width: 54ch; margin: 0 auto; line-height: 1.6;
}

.lib-shelf { padding: 0 clamp(var(--space-4), 5vw, var(--space-16)) var(--space-32); }
.lib-shelf-title {
  text-align: center; font-family: var(--font-ui); font-size: var(--text-xs);
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-text-faint);
  font-weight: 600; margin-bottom: var(--space-10);
  display: flex; align-items: center; justify-content: center; gap: var(--space-4);
}
.lib-shelf-title::before, .lib-shelf-title::after {
  content: ''; height: 1px; width: 3rem; background: var(--color-border);
}
.libbook-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-8); max-width: 760px; margin: 0 auto;
}
.libbook { display: flex; flex-direction: column; color: var(--color-text); }
.libbook-cover {
  aspect-ratio: 3 / 4; border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-accent-deep), var(--color-primary-active));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: var(--space-6); position: relative; overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid color-mix(in oklab, var(--color-gold) 40%, transparent);
}
[data-theme='dark'] .libbook-cover { background: linear-gradient(160deg, #2a2317, #1f1a11); }
.libbook-cover::before {
  content: ''; position: absolute; inset: 10px; border: 1px solid color-mix(in oklab, var(--color-gold) 55%, transparent);
  border-radius: calc(var(--radius-lg) - 4px); pointer-events: none;
}
.libbook-orn { color: var(--color-gold-soft); margin-bottom: var(--space-5); }
.libbook-name {
  font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600;
  color: #f3e8cf; line-height: 1.2;
}
.libbook-glyph { font-family: var(--font-arabic); font-size: var(--text-2xl); color: var(--color-gold-soft); margin-top: var(--space-5); opacity: 0.85; }
.libbook-meta { padding: var(--space-5) var(--space-2) 0; }
.libbook-title { display: block; font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; line-height: 1.2; }
.libbook-sub { display: block; font-family: var(--font-ui); font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-2); line-height: 1.5; }
.libbook-read { display: inline-flex; align-items: center; gap: var(--space-2); margin-top: var(--space-4); font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 600; color: var(--color-primary); }
.libbook:hover .libbook-cover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.libbook .libbook-cover { transition: transform var(--transition-interactive), box-shadow var(--transition-interactive); }
.libbook:hover .libbook-read { color: var(--color-primary-hover); }

.libbook.coming { opacity: 0.55; }
.libbook-cover.ghost {
  background: var(--color-surface); border: 1px dashed var(--color-border); box-shadow: none;
}
.libbook-cover.ghost::before { display: none; }
.libbook-cover.ghost .libbook-name { color: var(--color-text-faint); font-style: italic; font-size: var(--text-lg); }

/* ============================================================
   Hasrat Library — multi-book, bilingual (EN/UR + RTL) additions
   ============================================================ */

/* ---- Brand: Urdu title hidden by default ---- */
.brand-text { display: flex; flex-direction: column; }
.brand-title-ur { font-family: var(--font-nastaliq); font-size: var(--text-base); line-height: 1.9; color: var(--color-text); display: none; }
html[lang='ur'] .brand-title-ur { display: block; }
html[lang='ur'] .brand-title { display: none; }

/* ---- Language toggle button ---- */
.lang-toggle { width: auto; padding-inline: var(--space-3); gap: var(--space-1); font-family: var(--font-ui); font-weight: 600; font-size: var(--text-xs); letter-spacing: 0.04em; }
.lang-toggle .lang-ur { font-family: var(--font-nastaliq); display: none; }
.lang-toggle .lang-en { display: inline; }
html[lang='ur'] .lang-toggle .lang-en { display: none; }
html[lang='ur'] .lang-toggle .lang-ur { display: inline; }

/* ---- Per-book edition toggle (EN/UR) ---- */
.edition-toggle { display: inline-flex; border: 1px solid var(--color-border); border-radius: var(--radius-full); overflow: hidden; }
.edition-toggle .ed-btn { padding: var(--space-1) var(--space-4); font-family: var(--font-ui); font-size: var(--text-xs); font-weight: 600; color: var(--color-text-muted); letter-spacing: 0.04em; line-height: 2; }
.edition-toggle .ed-btn[lang='ur'], .edition-toggle .ed-btn span[lang='ur'] { font-family: var(--font-nastaliq); }
.edition-toggle .ed-btn.active { background: var(--color-primary); color: var(--color-text-inverse); }
.edition-toggle .ed-btn:hover:not(.active) { color: var(--color-primary); }

/* ============================================================
   Library landing controls — search + category chips
   ============================================================ */
.lib-controls { max-width: 760px; margin: 0 auto var(--space-12); display: flex; flex-direction: column; gap: var(--space-6); }
.lib-search {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-5); border: 1px solid var(--color-border);
  border-radius: var(--radius-full); background: var(--color-surface);
  box-shadow: var(--shadow-sm); transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.lib-search:focus-within { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.lib-search svg { color: var(--color-text-faint); flex-shrink: 0; }
.lib-search-input {
  flex: 1; border: none; background: none; outline: none;
  font-family: var(--font-ui); font-size: var(--text-base); color: var(--color-text);
  -webkit-appearance: none; appearance: none;
}
/* Suppress iOS Safari's native search field icon/decorations (prevents a duplicate magnifying glass) */
.lib-search-input::-webkit-search-decoration,
.lib-search-input::-webkit-search-results-button,
.lib-search-input::-webkit-search-results-decoration { display: none; -webkit-appearance: none; }
.lib-search-input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
html[lang='ur'] .lib-search-input { font-family: var(--font-nastaliq); }
.lib-search-input::placeholder { color: var(--color-text-faint); }

.cat-chips { display: flex; flex-wrap: wrap; gap: var(--space-5); justify-content: center; }
.cat-chip {
  display: inline-flex; align-items: center; justify-content: center;
  -webkit-appearance: none; appearance: none; cursor: pointer; line-height: 1;
  padding: var(--space-2) var(--space-5); border: 1px solid var(--color-border);
  border-radius: var(--radius-full); font-family: var(--font-ui); font-size: var(--text-sm);
  color: var(--color-text-muted); background: var(--color-surface);
}
.cat-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.cat-chip.active { background: color-mix(in oklab, var(--color-gold) 18%, var(--color-surface)); border-color: var(--color-gold); color: var(--color-text); font-weight: 600; }
.cat-chip .chip-ur { font-family: var(--font-nastaliq); }

.lib-noresults { text-align: center; font-family: var(--font-display); font-style: italic; font-size: var(--text-lg); color: var(--color-text-muted); margin-top: var(--space-12); }

/* ---- Card additions: category tag, language badge, continue link, hidden state ---- */
.libbook[hidden] { display: none !important; }
.libbook-cat { display: block; font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-gold); font-weight: 600; margin-bottom: var(--space-2); }
html[lang='ur'] .libbook-cat { font-family: var(--font-nastaliq); letter-spacing: 0; text-transform: none; }
.libbook-badges { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-3); flex-wrap: wrap; }
.lang-badge { font-family: var(--font-ui); font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; padding: 2px var(--space-2); border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-text-muted); }
.only-note { font-family: var(--font-ui); font-size: var(--text-xs); font-style: italic; color: var(--color-text-faint); }
html[lang='ur'] .only-note { font-family: var(--font-nastaliq); font-style: normal; }
html[lang='ur'] .libbook-name, html[lang='ur'] .libbook-title, html[lang='ur'] .libbook-sub { font-family: var(--font-nastaliq); }
.libbook-continue { display: none; align-items: center; gap: var(--space-2); margin-top: var(--space-3); font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 600; color: var(--color-gold); }
.libbook-continue:not([hidden]) { display: inline-flex; }
html[lang='ur'] .libbook-continue { font-family: var(--font-nastaliq); }
.libbook-read { display: inline-flex; }
html[lang='ur'] .libbook-read { font-family: var(--font-nastaliq); }

/* ============================================================
   Cover actions row (Begin / Continue / Download PDF)
   ============================================================ */
.cover-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; margin-top: var(--space-12); }
.cover .cta { margin-top: 0; }
.cover .cta.cta-ghost, .cta-ghost { background: transparent; color: var(--color-primary); border: 1px solid var(--color-primary); box-shadow: none; }
.cover .cta.cta-ghost:hover, .cta-ghost:hover { background: color-mix(in oklab, var(--color-primary) 10%, transparent); color: var(--color-primary-hover); border-color: var(--color-primary-hover); transform: translateY(-2px); }
.cta-ghost svg { stroke: currentColor; }
.cover-actions .cta[hidden] { display: none !important; }

/* ============================================================
   Reader: text-size control + reading-body scaling
   ============================================================ */
.text-size { display: flex; align-items: center; gap: var(--space-3); justify-content: flex-end; margin-bottom: var(--space-6); font-family: var(--font-ui); }
.text-size .ts-btn { width: 2rem; height: 2rem; border-radius: var(--radius-full); border: 1px solid var(--color-border); color: var(--color-text-muted); font-weight: 600; font-size: var(--text-sm); display: inline-flex; align-items: center; justify-content: center; }
.text-size .ts-btn:hover { color: var(--color-primary); border-color: var(--color-primary); }
.text-size .ts-label { font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-faint); }
html[lang='ur'] .text-size .ts-label { font-family: var(--font-nastaliq); letter-spacing: 0; text-transform: none; }

/* reading body scales with --read-scale (set by app.js) */
.reading-body { font-size: calc(1em * var(--read-scale, 1)); }
.reading-body p.body { font-size: inherit; }

/* English edition reading content stays LTR even under Urdu/RTL chrome */
.reading-body[dir='ltr'] { direction: ltr; text-align: start; font-family: var(--font-body); }
.chapter-title[dir='ltr'], .chapter-subtitle[dir='ltr'] { direction: ltr; text-align: start; font-family: var(--font-display); }

/* Urdu reading body (full UR edition) */
.reading-body[lang='ur'] { font-family: var(--font-nastaliq); line-height: 2.4; text-align: right; }
.chapter-title[lang='ur'], .chapter-subtitle[lang='ur'] { font-family: var(--font-nastaliq); line-height: 1.9; }

/* ============================================================
   RTL interface mirroring (chrome). Body of EN edition stays LTR.
   ============================================================ */
/* Do not override grid-template-columns in RTL: `280px 1fr` already mirrors
   correctly because tracks are placed from the inline-start (right in RTL),
   so the first child (sidebar) takes the 280px inline-start track. */
html[dir='rtl'] .toc-sidebar { border-right: none; border-left: 1px solid var(--color-divider); }
html[dir='rtl'] .toc-sidebar a { font-family: var(--font-nastaliq); }
html[dir='rtl'] .toc-sidebar .toc-label { font-family: var(--font-ui); }
html[dir='rtl'] .chapter-nav a.next { text-align: left; align-items: flex-start; }
html[dir='rtl'] .chapter-nav a.prev { text-align: right; align-items: flex-end; }
html[dir='rtl'] .fwd-arrow { transform: scaleX(-1); }
html[dir='rtl'] .libbook-cat { text-align: right; }

/* interface text in Urdu uses Nastaliq for translatable spans */
html[lang='ur'] [data-i18n], html[lang='ur'] .lib-eyebrow, html[lang='ur'] .lib-shelf-title,
html[lang='ur'] .chapter-meta, html[lang='ur'] .toc-label, html[lang='ur'] .mt-title,
html[lang='ur'] .fm-role, html[lang='ur'] .cta, html[lang='ur'] .ed-btn,
html[lang='ur'] .chapter-nav .dir, html[lang='ur'] .cat-chip, html[lang='ur'] .site-footer {
  font-family: var(--font-nastaliq);
}
html[lang='ur'] .chapter-meta, html[lang='ur'] .toc-label, html[lang='ur'] .mt-title,
html[lang='ur'] .lib-eyebrow, html[lang='ur'] .lib-shelf-title, html[lang='ur'] .chapter-nav .dir {
  letter-spacing: 0; text-transform: none;
}
.ur-author { font-family: var(--font-nastaliq); line-height: 1.7; }
html[lang='ur'] .lib-author { line-height: 1.7; }

/* Logical-property mirroring for sidebar drawer on mobile RTL */
@media (max-width: 900px) {
  html[dir='rtl'] .toc-sidebar { left: auto; right: 0; transform: translateX(100%); }
  html[dir='rtl'] .toc-sidebar.open { transform: translateX(0); }
}

/* ============================================================
   Print view (PDF export)
   ============================================================ */
.print-body { background: #fff; color: #2e2820; }
.print-body .progress-bar { display: none; }
.print-cover { text-align: center; padding: 4rem 1rem; page-break-after: always; }
.print-cover h1 { font-size: 2.6rem; margin: 1rem 0; }
.print-cover .tagline { font-family: var(--font-display); font-style: italic; font-size: 1.3rem; color: var(--color-text-muted); margin-bottom: 2rem; }
.print-cover .print-author { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; }
.print-cover .print-dates, .print-cover .print-trans { font-family: var(--font-ui); font-size: 0.95rem; color: var(--color-text-muted); }
.print-cover .bismillah { font-family: var(--font-arabic); direction: rtl; font-size: 1.8rem; color: var(--color-primary); margin-bottom: 1.5rem; }
.print-sec { page-break-before: always; max-width: 38rem; margin: 0 auto; padding: 1rem 0 2rem; }
.print-sec .chapter-meta { color: var(--color-gold); }
.print-sec .print-title { font-size: 2rem; margin-bottom: 0.4rem; }
.print-sec .reading-body p.body { orphans: 2; widows: 2; }
.print-sec[dir='rtl'] .reading-body { font-family: var(--font-nastaliq); text-align: right; line-height: 2.3; }
@media print {
  .print-sec { page-break-before: always; }
  .verse-ar, .verse-ur, .mini-toc { break-inside: avoid; }
}

/* ============================================================
   Restricted books: lock badge + passcode modal
   ============================================================ */
.libbook-lock {
  position: absolute; top: 12px; right: 12px;
  width: 2rem; height: 2rem; border-radius: var(--radius-full);
  display: inline-flex; align-items: center; justify-content: center;
  background: color-mix(in oklab, var(--color-bg) 70%, transparent);
  color: var(--color-gold-soft);
  border: 1px solid color-mix(in oklab, var(--color-gold) 55%, transparent);
  box-shadow: var(--shadow-sm); backdrop-filter: blur(2px); z-index: 2;
}
html[dir='rtl'] .libbook-lock { right: auto; left: 12px; }
.libbook-locked .libbook-cover { filter: saturate(0.85); }
.libbook-locked:hover .libbook-lock { color: var(--color-primary-hover); }
.lock-note { color: var(--color-gold); font-style: normal; font-weight: 600; }
html[lang='ur'] .lock-note { font-family: var(--font-nastaliq); }

.passcode-overlay {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-6);
  background: color-mix(in oklab, #1b1812 62%, transparent);
  backdrop-filter: blur(4px);
  opacity: 0; transition: opacity 0.18s ease;
}
.passcode-overlay.open { opacity: 1; }
.passcode-overlay[hidden] { display: none; }
.passcode-modal {
  width: 100%; max-width: 24rem; text-align: center;
  background: var(--color-surface-2); color: var(--color-text);
  border: 1px solid color-mix(in oklab, var(--color-gold) 45%, var(--color-border));
  border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
  padding: var(--space-8) var(--space-7);
  transform: translateY(8px); transition: transform 0.18s ease;
}
.passcode-overlay.open .passcode-modal { transform: translateY(0); }
.passcode-orn { margin: 0 auto var(--space-4); color: var(--color-gold-soft); }
.passcode-title { font-family: var(--font-display); font-size: var(--text-2xl); color: var(--color-text); margin-bottom: var(--space-2); }
.passcode-desc { font-family: var(--font-ui); font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-6); line-height: 1.5; }
html[lang='ur'] .passcode-title, html[lang='ur'] .passcode-desc { font-family: var(--font-nastaliq); }
.passcode-input {
  width: 100%; box-sizing: border-box; text-align: center;
  font-family: var(--font-ui); font-size: var(--text-lg); letter-spacing: 0.18em;
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text);
}
.passcode-input:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.passcode-error { color: #c0392b; font-family: var(--font-ui); font-size: var(--text-sm); margin-top: var(--space-3); }
[data-theme='dark'] .passcode-error { color: #e07a6b; }
html[lang='ur'] .passcode-error { font-family: var(--font-nastaliq); }
.passcode-actions { display: flex; gap: var(--space-3); justify-content: center; margin-top: var(--space-6); }
.passcode-actions button {
  font-family: var(--font-ui); font-weight: 600; font-size: var(--text-sm);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-md); cursor: pointer;
  transition: background var(--transition-interactive), color var(--transition-interactive), border-color var(--transition-interactive);
}
html[lang='ur'] .passcode-actions button { font-family: var(--font-nastaliq); }
.passcode-submit { background: var(--color-primary); color: var(--color-text-inverse); border: 1px solid var(--color-primary); }
.passcode-submit:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.passcode-cancel { background: transparent; color: var(--color-text-muted); border: 1px solid var(--color-border); }
.passcode-cancel:hover { color: var(--color-text); border-color: var(--color-text-muted); }

/* ============================================================
   Recommended Readings shelf + per-book author byline
   ============================================================ */
.lib-shelf-recommended { padding-top: var(--space-8); }
.lib-shelf-divider {
  display: flex; align-items: center; justify-content: center;
  color: var(--color-gold);
  margin: 0 auto var(--space-8);
  max-width: 60ch;
}
.lib-shelf-divider::before, .lib-shelf-divider::after {
  content: ''; height: 1px; flex: 1;
  background: linear-gradient(to right, transparent, color-mix(in oklab, var(--color-gold) 45%, transparent), transparent);
  margin: 0 var(--space-4);
}
.lib-shelf-note {
  text-align: center; font-family: var(--font-body);
  font-style: italic; color: var(--color-text-soft, var(--color-accent-deep));
  max-width: 56ch; margin: calc(-1 * var(--space-6)) auto var(--space-10);
  font-size: var(--text-sm); line-height: 1.7;
}
.libbook-author {
  display: block; font-family: var(--font-ui);
  font-size: var(--text-xs); letter-spacing: 0.04em;
  color: var(--color-gold); font-weight: 600;
  margin-top: var(--space-1);
}
.libbook-author::before { content: '\2014\00a0'; opacity: 0.7; }
html[lang='ur'] .lib-shelf-note { font-family: var(--font-ur, inherit); font-style: normal; }
html[lang='ur'] .libbook-author { font-family: var(--font-ur, inherit); }

/* Library result count (ARIA live) */
.lib-count {
  text-align: center; font-family: var(--font-ui);
  font-size: var(--text-xs); letter-spacing: 0.04em;
  color: var(--color-text-muted); min-height: 1.2em;
}

/* About This Library */
.lib-about {
  max-width: 62ch; margin: var(--space-12) auto 0;
  padding: var(--space-10) var(--space-6) var(--space-4);
  text-align: center; border-top: 1px solid var(--color-divider);
}
.lib-about-orn { display: flex; justify-content: center; margin: 0 auto var(--space-5); color: var(--color-gold); }
.lib-about-title {
  font-family: var(--font-display, var(--font-body));
  font-size: var(--text-xl); color: var(--color-accent-deep);
  margin-bottom: var(--space-6); letter-spacing: 0.01em;
}
.lib-about-body p {
  font-family: var(--font-body); color: var(--color-text);
  font-size: var(--text-base); line-height: 1.8;
  margin-bottom: var(--space-5); text-align: left;
}
.lib-about-contact { color: var(--color-text-muted); font-size: var(--text-sm); font-style: italic; }
html[lang='ur'] .lib-about-body p, html[lang='ur'] .lib-about-title { font-family: var(--font-ur, inherit); }

/* ===================================================================
   Scanned-PDF page-flip reader (English facsimiles)
   =================================================================== */
/* Hide the big site header entirely on reader pages -> reclaim the full viewport. */
body:has(.reader-scroll-mode) .site-header { display: none; }
.reader-main {
  max-width: 1760px; margin: 0 auto;
  padding: 0 var(--space-4) var(--space-2);
  display: flex; flex-direction: column;
  height: 100vh; height: 100dvh;
}
.reader-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3); flex-wrap: nowrap;
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-border); flex: 0 0 auto;
}
.reader-home {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; flex: 0 0 auto;
  border: 1px solid var(--color-border); border-radius: 50%;
  background: var(--color-surface); color: var(--color-text);
  text-decoration: none; transition: border-color var(--transition-interactive), color var(--transition-interactive);
}
.reader-home:hover { border-color: var(--color-primary); color: var(--color-primary); }
.reader-titlewrap { display: flex; flex-direction: column; gap: 0; flex: 1 1 auto; min-width: 0; }
.reader-title {
  font-family: var(--font-display, 'Cormorant Garamond', serif);
  font-size: 1.15rem; font-weight: 600; color: var(--color-text);
  line-height: 1.15;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.reader-sub {
  font-size: 0.8rem; color: var(--color-text-muted); font-style: italic;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.reader-tools { display: flex; align-items: center; gap: var(--space-2); }
.rd-ctrl {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem;
  min-width: 2.4rem; height: 2.4rem; padding: 0 0.8rem;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface); color: var(--color-text);
  font-size: 1.05rem; font-weight: 500; cursor: pointer; text-decoration: none;
  transition: background var(--transition-interactive), border-color var(--transition-interactive),
              color var(--transition-interactive), transform var(--transition-interactive);
}
.rd-ctrl:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-1px); }
.rd-download { color: var(--color-gold); }
.rd-counter {
  font-family: var(--font-body, 'Source Serif 4', serif);
  font-size: 0.95rem; color: var(--color-text-muted);
  min-width: 5rem; text-align: center; letter-spacing: 0.02em;
  margin-right: var(--space-1);
}

/* continuous vertical scroll viewport */
.reader-scroll {
  position: relative; flex: 1 1 auto; min-height: 0;
  overflow-y: auto; overflow-x: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken, color-mix(in srgb, var(--color-bg) 92%, #000 8%));
  scroll-behavior: smooth;
}
.rd-pages {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}
.rd-page {
  position: relative;
  max-width: 100%;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  background: #fff;
}
.rd-canvas {
  display: block; max-width: 100%; height: auto;
  border-radius: var(--radius-sm);
}
/* Dark mode: gently dim white scanned pages so they don't glare. The
   .rd-bright toggle (set by the reader's brightness button) restores full
   white for users who prefer the original. */
[data-theme='dark'] .rd-page { background: #d8cfbe; box-shadow: var(--shadow-lg); }
[data-theme='dark'] .rd-canvas { filter: brightness(0.86) sepia(0.04); transition: filter 0.2s ease; }
[data-theme='dark'] .rd-pages.rd-bright .rd-canvas { filter: none; }
[data-theme='dark'] .rd-page { transition: background 0.2s ease; }
[data-theme='dark'] .rd-pages.rd-bright .rd-page { background: #fff; }

.rd-loading {
  position: absolute; inset: 0; display: none;
  align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--color-bg) 55%, transparent);
  pointer-events: none;
}
.rd-spinner {
  width: 2.4rem; height: 2.4rem; border-radius: 50%;
  border: 3px solid var(--color-border); border-top-color: var(--color-gold);
  animation: rdSpin 0.8s linear infinite;
}
@keyframes rdSpin { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
  .reader-main { padding: 0 var(--space-2) var(--space-2); }
  .reader-title { font-size: 1rem; }
  .reader-sub { display: none; }
  .rd-ctrl { min-width: 2.1rem; height: 2.1rem; padding: 0 0.55rem; font-size: 0.95rem; }
  .rd-counter { min-width: 3.6rem; font-size: 0.85rem; }
  .rd-pages { gap: var(--space-3); padding: var(--space-2) 0; }
}
/* iPhone (and small phones) in landscape: extra-tight bar so the page fills the screen. */
@media (max-height: 480px) and (orientation: landscape) {
  .reader-bar { padding: 2px 0; }
  .reader-sub { display: none; }
  .reader-title { font-size: 0.95rem; }
  .reader-home { width: 1.8rem; height: 1.8rem; }
  .rd-ctrl { min-width: 2rem; height: 2rem; padding: 0 0.5rem; font-size: 0.9rem; }
  .rd-counter { min-width: 3.4rem; font-size: 0.82rem; }
  .rd-pages { gap: var(--space-2); padding: var(--space-2) 0; }
}