/* The course bridge inside the reading guide (see course-bridge.js). Uses the guide's own palette:
   --navy, --orange, --cream, --line. */
.fsg-logo-link { display: inline-flex; border-radius: 10px; }
.fsg-logo-link:focus-visible { outline: 2px solid var(--orange, #f08020); outline-offset: 4px; }

.topbar .topbar-meta { display: none !important; }

/* Accessibility (roadmap 3.2): a link past the top bar, first for the Tab key and out of sight until it has the focus;
   <main> takes the focus from it without a ring around the whole page; the "up" button is out of the Tab order
   while it is invisible. */
.fsg-skip {
  position: fixed; z-index: 1000; top: 8px; left: 12px; transform: translateY(-300%);
  padding: 12px 18px; border-radius: 12px; border: 1px solid var(--fs-btn-edge, #0d1b3d);
  background: var(--fs-btn, #0d1b3d); color: var(--fs-btn-fg, #fff); box-shadow: 0 8px 22px rgba(0, 0, 0, 0.3);
  font: 700 15px/1.2 system-ui, -apple-system, "Segoe UI", sans-serif; text-decoration: none;
}
.fsg-skip:focus { transform: none; outline: 3px solid var(--orange, #f08020); outline-offset: 2px; }
#fsg-main:focus { outline: none; }
.back-top:not(.show) { visibility: hidden; }
@media print { .fsg-skip { display: none; } }

/* Back to where the learner came from: first in the top bar, the logo right after it; its words from 1101px. */
.fsg-back {
  display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: center; gap: 6px;
  min-width: 44px; min-height: 44px; padding: 0 16px 0 10px; border-radius: 14px;
  border: 1px solid var(--line, rgba(13, 27, 61, 0.12)); background: rgba(255, 255, 255, 0.7);
  color: var(--navy, #0d1b3d); font: 700 14px/1 system-ui, -apple-system, "Segoe UI", sans-serif;
  text-decoration: none; white-space: nowrap; transition: background 0.2s ease, color 0.2s ease;
}
.fsg-back svg {
  width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2.4;
  stroke-linecap: round; stroke-linejoin: round;
}
.fsg-back:hover { background: var(--navy, #0d1b3d); color: #fff; }
.fsg-back:focus-visible { outline: 2px solid var(--orange, #f08020); outline-offset: 2px; }
.topbar > .fsg-back + .fsg-logo-link { margin: 0 auto 0 -8px; }

.fsg-bar { display: flex; flex-wrap: nowrap; flex-shrink: 0; align-items: center; justify-content: flex-end; gap: 8px; }
.fsg-chip {
  display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: 999px;
  border: 1px solid var(--line, rgba(13, 27, 61, 0.12)); background: rgba(255, 255, 255, 0.55);
  color: var(--navy, #0d1b3d); font: 600 12px/1 "JetBrains Mono", ui-monospace, monospace;
  text-decoration: none; white-space: nowrap; max-width: 22rem; overflow: hidden; text-overflow: ellipsis;
}
a.fsg-chip:hover { border-color: var(--navy, #0d1b3d); }
.fsg-count.has-progress { background: #2f7d4f; border-color: #2f7d4f; color: #fff; }
.fsg-resume { background: var(--orange, #f08020); border-color: var(--orange, #f08020); color: #fff; }
.fsg-resume[hidden] { display: none; }

.fsg-check {
  display: inline-grid; place-items: center; width: 17px; height: 17px; margin-left: 6px; border-radius: 50%;
  background: #2f7d4f; color: #fff; font: 700 10px/1 system-ui, sans-serif; vertical-align: 1px;
}

.fsg-done {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin: 36px 0 8px; padding: 16px 18px;
  border: 1px dashed rgba(13, 27, 61, 0.22); border-radius: 16px; background: rgba(255, 255, 255, 0.45);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--navy, #0d1b3d);
}
.fsg-done-btn {
  min-height: 44px; padding: 0 20px; border: 0; border-radius: 999px; cursor: pointer;
  background: var(--navy, #0d1b3d); color: #fff; font: 700 14px/1 system-ui, -apple-system, sans-serif;
  box-shadow: 0 8px 18px -10px rgba(13, 27, 61, 0.6); transition: transform 0.15s ease;
}
.fsg-done-btn:hover { transform: translateY(-1px); }
.fsg-done-btn:focus-visible, .fsg-undo:focus-visible { outline: 2px solid var(--orange, #f08020); outline-offset: 3px; }
.fsg-done-note { color: rgba(13, 27, 61, 0.65); }
.fsg-done.is-done { border-style: solid; border-color: rgba(47, 125, 79, 0.35); background: rgba(47, 125, 79, 0.08); }
.fsg-done-mark {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: #2f7d4f; color: #fff; font-weight: 800;
}
.fsg-done-text { flex: 1; min-width: 12rem; }
.fsg-done-text a { color: var(--navy, #0d1b3d); font-weight: 600; }
.fsg-undo {
  min-height: 36px; padding: 0 12px; border: 0; border-radius: 999px; background: none; cursor: pointer;
  color: rgba(13, 27, 61, 0.55); font: 600 12px/1 system-ui, sans-serif;
}
.fsg-undo:hover { color: var(--navy, #0d1b3d); background: rgba(13, 27, 61, 0.06); }

@media (max-width: 1100px) {
  /* the arrow alone, where the guide's menu needs the room (its words stay for screen readers) */
  .fsg-back { width: 44px; padding: 0; }
  .fsg-back-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  /* and the logo gives way to it */
  .topbar > .fsg-back + .fsg-logo-link { flex: 0 1 auto; min-width: 0; }
  .topbar > .fsg-back + .fsg-logo-link .logo { min-width: 0; }
  .topbar > .fsg-back + .fsg-logo-link .brand-logo-img { height: 50px; max-width: 100%; }
}
@media (max-width: 760px) {
  .fsg-chip { min-height: 30px; padding: 0 10px; font-size: 11px; max-width: 12rem; }
  .topbar > .fsg-back + .fsg-logo-link .brand-logo-img { height: 40px; }
}
@media (max-width: 360px) {
  .topbar > .fsg-back + .fsg-logo-link .brand-logo-img { height: 34px; }
}
@media print {
  .fsg-back { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .fsg-done-btn, .fsg-back { transition: none; }
}

/* ==========================================================================================================
   The app's themes. The script in <head> (scripts/static_theme.py) puts the learner's choice from Nustatymai
   on <html> as data-fs-theme="pastel|glass|code|ink" before the first paint and follows changes made in
   another tab. Without it, or with "pastel", none of the rules below apply: the page is as it was authored.

   The guide paints with its own variables (--navy is its text and heading colour, --cream-deep its panels,
   --orange its accent), so each theme first sets those and a few --fs-* tokens for the surfaces the page
   paints with fixed colours; the rules after the tokens are shared by glass, code and ink and only use tokens.
   ========================================================================================================== */

/* "Mažiau judesio" in Nustatymai (the page already does the same for the operating system's setting). */
html[data-fs-motion="reduced"] { scroll-behavior: auto !important; }
html[data-fs-motion="reduced"] *, html[data-fs-motion="reduced"] *::before, html[data-fs-motion="reduced"] *::after {
  animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important;
}

/* On paper the guide stays as authored: everything below is for screens. */
@media screen {

/* ------------------------------------------------------------------------------------------ tokens: code */
/* "Anglų kodas": dark. --cream stays the light paper colour the page uses for text on its dark blocks. */
html[data-fs-theme="code"] {
  color-scheme: dark;
  --cream-soft: #0f131a; --cream-deep: #151a22;
  --navy: #f3efe8; --navy-deep: #ffffff; --navy-soft: #ffffff;
  --ink: #ebe7df; --ink-soft: #bcc3ce; --ink-mute: #9ba3b0;
  --orange: #f9a04a; --orange-deep: #ffb45e; --orange-soft: #ffc98f; --orange-glow: rgba(249, 160, 74, 0.3);
  --line: rgba(255, 255, 255, 0.1); --line-strong: rgba(255, 255, 255, 0.18);

  --fs-page: #0b0e15;
  --fs-glow: radial-gradient(1100px 520px at 50% -14%, rgba(38, 58, 105, 0.5), transparent 70%),
    radial-gradient(640px 320px at 88% -6%, rgba(249, 160, 74, 0.1), transparent 70%);
  --fs-select: rgba(249, 160, 74, 0.35);
  --fs-chrome: rgba(11, 14, 21, 0.82); --fs-chrome-edge: var(--line); --fs-chrome-shadow: none; --fs-blur: blur(18px) saturate(140%);
  --fs-logo: url("/brand/logo-on-dark.svg");
  --fs-block: linear-gradient(180deg, #171c25, #0e1218);
  --fs-block-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08); --fs-hero-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.08);
  --fs-block-accent: var(--orange);
  --fs-footer: #0e1218; --fs-footer-edge: 1px solid var(--line);
  --fs-callout: var(--line-strong);
  --fs-shell: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  --fs-shell-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --fs-story: #12161d; --fs-story-shadow: 0 12px 38px rgba(0, 0, 0, 0.35);
  --fs-controls: #181d26; --fs-stop: rgba(255, 255, 255, 0.1);
  --fs-card: #12161d;
  --fs-lift: rgba(255, 255, 255, 0.045); --fs-lift-2: rgba(255, 255, 255, 0.085);
  --fs-hover: #1f2530; --fs-hover-shadow: 0 4px 14px rgba(249, 160, 74, 0.14);
  --fs-play: rgba(249, 160, 74, 0.2); --fs-play-shadow: 0 0 0 3px rgba(249, 160, 74, 0.22);
  --fs-edge: var(--line); --fs-edge-2: var(--line-strong); --fs-small-shadow: none;
  --fs-frame: #12161d; --fs-frame-shadow: 0 18px 45px rgba(0, 0, 0, 0.45), 0 3px 10px rgba(0, 0, 0, 0.3);
  --fs-frame-inner: rgba(255, 255, 255, 0.05); --fs-img-filter: brightness(0.93);
  --fs-caption: linear-gradient(180deg, #1a202a, #151a22); --fs-caption-chip: rgba(255, 255, 255, 0.085);
  --fs-btn: #ebe7df; --fs-btn-hover: #ffffff; --fs-btn-fg: #0b0e15; --fs-btn-edge: #ebe7df;
  --fs-btn-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  --fs-secondary-edge: var(--line-strong);
  --fs-on-accent: #160d07; --fs-accent-btn: var(--orange);
  --fs-tint: rgba(249, 160, 74, 0.14); --fs-tint-edge: rgba(249, 160, 74, 0.5);
  --fs-menu: #12161d; --fs-menu-shadow: 0 18px 44px rgba(0, 0, 0, 0.6);
  --fs-float: #12161d; --fs-float-shadow: 0 5px 24px rgba(0, 0, 0, 0.6);
  --fs-float-btn: #ebe7df; --fs-float-btn-fg: #0b0e15; --fs-float-btn-2: var(--orange); --fs-float-btn-2-fg: #160d07;
  --fs-done-edge: rgba(110, 207, 154, 0.4); --fs-done-bg: rgba(110, 207, 154, 0.08);
}

/* ---------------------------------------------------------------------------------------- tokens: glass */
/* "Skystas stiklas": dark text on frosted white over the app's aurora. */
html[data-fs-theme="glass"] {
  color-scheme: light;
  --cream-deep: rgba(255, 255, 255, 0.58);
  --ink-mute: #4d5673;
  --orange: #e2620f; --orange-deep: #a33c00; --orange-soft: #ffe0bf; --orange-glow: rgba(226, 98, 15, 0.25);
  --line: rgba(24, 33, 53, 0.1); --line-strong: rgba(24, 33, 53, 0.17);

  --fs-page: #eef4fc;
  --fs-glow: radial-gradient(60vmax 60vmax at -6% -8%, rgba(134, 195, 255, 0.7), transparent 62%),
    radial-gradient(52vmax 52vmax at 106% -4%, rgba(218, 186, 255, 0.62), transparent 62%),
    radial-gradient(48vmax 48vmax at 4% 108%, rgba(255, 207, 154, 0.66), transparent 62%),
    radial-gradient(44vmax 44vmax at 104% 106%, rgba(162, 237, 216, 0.58), transparent 62%);
  --fs-select: rgba(30, 89, 205, 0.22);
  --fs-chrome: rgba(255, 255, 255, 0.55); --fs-chrome-edge: rgba(255, 255, 255, 0.7); --fs-blur: blur(28px) saturate(185%);
  --fs-chrome-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85), 0 10px 30px -18px rgba(48, 64, 120, 0.3);
  --fs-rim: inset 0 1px 0 rgba(255, 255, 255, 0.95), inset 0 -1px 0 rgba(255, 255, 255, 0.3);
  --fs-block: linear-gradient(135deg, #1558c8 0%, #2b45c5 55%, #4934a3 100%);
  --fs-block-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 26px 60px -30px rgba(43, 69, 197, 0.6);
  --fs-hero-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  --fs-block-accent: var(--orange-soft);
  --fs-footer: var(--fs-block);
  --fs-shell: linear-gradient(160deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.72));
  --fs-shell-shadow: var(--fs-rim), 0 10px 30px -14px rgba(40, 56, 110, 0.22), 0 1px 1px rgba(40, 56, 110, 0.05);
  --fs-story: linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.86)); --fs-story-shadow: var(--fs-shell-shadow);
  --fs-controls: rgba(226, 236, 252, 0.72); --fs-stop: rgba(24, 33, 53, 0.09);
  --fs-card: rgba(255, 255, 255, 0.62);
  --fs-lift: rgba(255, 255, 255, 0.5); --fs-lift-2: rgba(255, 255, 255, 0.62);
  --fs-hover: rgba(255, 255, 255, 0.92); --fs-hover-shadow: 0 6px 16px -8px rgba(40, 56, 110, 0.3);
  --fs-play: rgba(255, 233, 210, 0.95); --fs-play-shadow: 0 0 0 3px rgba(226, 98, 15, 0.2);
  --fs-edge: rgba(255, 255, 255, 0.88); --fs-edge-2: var(--line-strong);
  --fs-small-shadow: var(--fs-rim), 0 4px 14px -8px rgba(40, 56, 110, 0.22);
  --fs-frame: rgba(255, 255, 255, 0.6); --fs-frame-shadow: var(--fs-rim), 0 18px 45px -18px rgba(40, 56, 110, 0.38);
  --fs-frame-inner: rgba(255, 255, 255, 0.7);
  --fs-caption: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(240, 245, 255, 0.88)); --fs-caption-chip: rgba(255, 255, 255, 0.75);
  --fs-btn: linear-gradient(180deg, #2468e6, #1554cf); --fs-btn-hover: linear-gradient(180deg, #1f5fd9, #1048bd);
  --fs-btn-fg: #ffffff; --fs-btn-edge: rgba(21, 84, 207, 0.55);
  --fs-btn-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 24px -12px rgba(21, 84, 207, 0.75);
  --fs-secondary-edge: var(--line-strong);
  --fs-on-accent: #ffffff; --fs-accent-btn: var(--orange-deep);
  --fs-tint: rgba(255, 255, 255, 0.92); --fs-tint-edge: rgba(226, 98, 15, 0.45);
  --fs-menu: rgba(255, 255, 255, 0.84); --fs-menu-shadow: var(--fs-rim), 0 22px 50px -16px rgba(40, 56, 110, 0.45);
  --fs-float: rgba(255, 255, 255, 0.72); --fs-float-shadow: var(--fs-rim), 0 10px 30px -12px rgba(40, 56, 110, 0.4);
  --fs-float-btn: #273f80; --fs-float-btn-fg: #ffffff; --fs-float-btn-2: #955020; --fs-float-btn-2-fg: #ffffff;
  --fs-done-edge: rgba(47, 125, 79, 0.4); --fs-done-bg: rgba(47, 125, 79, 0.1);
}

/* ------------------------------------------------------------------------------------------ tokens: ink */
/* "Rašalo knyga": warm paper, deep green ink, copper (the app's tokens: src/styles.css [data-theme="ink"]). */
html[data-fs-theme="ink"] {
  color-scheme: light;
  --cream: #fffdf7; --cream-soft: #efe9dc; --cream-deep: #f8f4ea;
  --navy: #203e35; --navy-deep: #182f28; --navy-soft: #365c4e;
  --ink: #292e2a; --ink-soft: #454d47; --ink-mute: #5b5549;
  --orange: #8f4124; --orange-deep: #7a341a; --orange-soft: #edc18b; --orange-glow: rgba(143, 65, 36, 0.25);
  --line: rgba(86, 70, 42, 0.2); --line-strong: rgba(86, 70, 42, 0.34);

  --fs-page: #e9e4d7;
  --fs-glow: repeating-linear-gradient(0deg, transparent 0 3px, rgba(65, 56, 40, 0.015) 3px 4px),
    radial-gradient(42rem 30rem at -5% 3%, rgba(151, 112, 72, 0.12), transparent 70%),
    radial-gradient(36rem 28rem at 105% 90%, rgba(88, 123, 96, 0.1), transparent 72%);
  --fs-select: rgba(38, 70, 62, 0.22);
  --fs-chrome: rgba(245, 241, 231, 0.92); --fs-chrome-edge: #d5ccbc; --fs-chrome-shadow: none; --fs-blur: blur(12px);
  --fs-logo: url("/brand/logo-on-ink.svg");
  --fs-block: linear-gradient(130deg, #27483e, #203b33 68%, #344a38);
  --fs-block-shadow: inset 0 0 0 1px rgba(222, 230, 215, 0.25), 0 25px 48px -24px rgba(31, 52, 42, 0.55);
  --fs-hero-shadow: none;
  --fs-block-accent: var(--orange-soft);
  --fs-footer: #203b33;
  --fs-shell: linear-gradient(160deg, #fffdf8, #faf6ed);
  --fs-shell-shadow: 0 1px 0 rgba(255, 255, 255, 0.8), 0 8px 24px -16px rgba(47, 42, 28, 0.32);
  --fs-story: var(--fs-shell); --fs-story-shadow: var(--fs-shell-shadow);
  --fs-controls: #f3eee1; --fs-stop: rgba(38, 70, 62, 0.1);
  --fs-card: #fdfaf3;
  --fs-lift: rgba(255, 253, 247, 0.6); --fs-lift-2: rgba(255, 253, 247, 0.85);
  --fs-hover: #fffdf7; --fs-hover-shadow: 0 6px 16px -10px rgba(47, 42, 28, 0.35);
  --fs-play: #f5e6d3; --fs-play-shadow: 0 0 0 3px rgba(154, 74, 41, 0.18);
  --fs-edge: var(--line); --fs-edge-2: var(--line-strong); --fs-small-shadow: none;
  --fs-frame: #f6eedb; --fs-frame-shadow: 0 18px 40px -22px rgba(47, 42, 28, 0.45), 0 3px 10px rgba(47, 42, 28, 0.08);
  --fs-frame-inner: rgba(255, 255, 255, 0.48);
  --fs-caption: linear-gradient(180deg, #fffdf8, #f3eddd); --fs-caption-chip: rgba(255, 255, 255, 0.7);
  --fs-btn: #26463e; --fs-btn-hover: #365c4e; --fs-btn-fg: #fffdf7; --fs-btn-edge: #26463e;
  --fs-btn-shadow: 0 10px 22px -13px rgba(38, 70, 62, 0.62);
  --fs-secondary-edge: #26463e;
  --fs-on-accent: #fffdf7; --fs-accent-btn: var(--orange);
  --fs-tint: rgba(154, 74, 41, 0.1); --fs-tint-edge: rgba(154, 74, 41, 0.45);
  --fs-menu: #fffdf7; --fs-menu-shadow: 0 18px 40px -16px rgba(47, 42, 28, 0.4);
  --fs-float: #fffdf7; --fs-float-shadow: 0 10px 28px -12px rgba(47, 42, 28, 0.45);
  --fs-float-btn: #26463e; --fs-float-btn-fg: #fffdf7; --fs-float-btn-2: #9a4a29; --fs-float-btn-2-fg: #fffdf7;
  --fs-done-edge: rgba(49, 103, 71, 0.4); --fs-done-bg: rgba(49, 103, 71, 0.09);
}

/* --------------------------------------------------------------------------- shared by glass, code and ink */
html[data-fs-theme]:not([data-fs-theme="pastel"]) ::selection { background: var(--fs-select); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) body { background: var(--fs-page); }
/* the theme's ambient light, behind everything (fixed; nothing moves) */
html[data-fs-theme]:not([data-fs-theme="pastel"]) body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; background: var(--fs-glow);
}
html[data-fs-theme]:not([data-fs-theme="pastel"]) .topbar {
  background: var(--fs-chrome); border-bottom-color: var(--fs-chrome-edge); box-shadow: var(--fs-chrome-shadow);
  -webkit-backdrop-filter: var(--fs-blur); backdrop-filter: var(--fs-blur);
}
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.section-label, .toc-title) { opacity: 0.8; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .pareto-banner .section-label { opacity: 1; }
/* the English term after a section name in the menu is dimmed by the page (.68): a little less on the light panels */
html[data-fs-theme]:not([data-fs-theme="pastel"]) .nav-term-en { opacity: 0.85; }

/* the brand kit's logo for the theme's background instead of the navy-on-cream picture (the picture stays
   for screen readers: pushed out of its own box, which keeps the size) */
html:is([data-fs-theme="code"], [data-fs-theme="ink"]) .brand-logo-img {
  object-fit: none; object-position: -9999px 0; filter: none !important;
  background: var(--fs-logo) center / contain no-repeat !important;
}
/* the footer is dark in every theme: its white silhouette (navy globe on navy) gives way to the colour logo */
html[data-fs-theme]:not([data-fs-theme="pastel"]) .footer-brand-logo {
  object-fit: none; object-position: -9999px 0; filter: none !important;
  background: url("/brand/logo-on-dark.svg") center / contain no-repeat !important;
}

/* blocks that were navy */
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.hero, .pareto-banner, .reading-story-module .cover, .transfer-questions) {
  background: var(--fs-block); box-shadow: var(--fs-block-shadow);
}
html[data-fs-theme]:not([data-fs-theme="pastel"]) .hero { box-shadow: var(--fs-hero-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.hero h1 .italic, .pareto-banner h2 em, .reading-story-module .cover em) { color: var(--fs-block-accent); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .transfer-questions strong { color: inherit; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .reading-story-module .cover .label { color: var(--fs-block-accent); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) footer { background: var(--fs-footer); border-top: var(--fs-footer-edge, none); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) footer :is(p, .meta) { opacity: 0.92; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .callout { border-color: var(--fs-callout, var(--navy)); }

/* containers and cards: the guide's fixed light fills become the theme's surfaces */
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.alphabet-shell, .decoding-shell) {
  background: var(--fs-shell); border-color: var(--fs-edge); box-shadow: var(--fs-shell-shadow);
}
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.v2-story, .reading-story-module .chapter) {
  background: var(--fs-story); border-color: var(--fs-edge); box-shadow: var(--fs-story-shadow);
}
html[data-fs-theme]:not([data-fs-theme="pastel"]) .v2-controls { background: var(--fs-controls); border-color: var(--fs-edge); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.mini-pair, .decode-step, .sound-card, .ending-note, .essential-card,
  .transfer-sentence, .ipa-map-disclosure, .ipa-listen, .alphabet-note, .precision-note) { background: var(--fs-lift); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.blend-card, .ipa-map-item) { background: var(--fs-card); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .alphabet-card { background: var(--fs-lift); border-color: var(--fs-edge); box-shadow: var(--fs-small-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .reading-story-module :is(.pat, .story-controls) { background: var(--fs-controls); border-color: var(--fs-edge); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .reading-story-module .pat-word { background: var(--fs-lift-2); border-color: var(--fs-edge); box-shadow: none; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.v2-lt, .v2-unit-lt, .chip-lt, .pat-lt) { color: var(--ink-mute); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.v2-stop, .reading-story-module .story-stop) { background: var(--fs-stop); color: var(--navy); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .v2-line { border-bottom-color: var(--line); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .reading-story-module { background: transparent; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.plan, .toc, .practice-card, .phrase, .chip) { border-color: var(--fs-edge); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.plan, .toc, .practice-card, .phrase) { box-shadow: var(--fs-small-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .chip { box-shadow: var(--fs-small-shadow); }

/* hover and playing */
html[data-fs-theme]:not([data-fs-theme="pastel"]) .chip:hover { background: var(--fs-hover); box-shadow: var(--fs-hover-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .phrase:hover { background: var(--fs-hover); box-shadow: var(--fs-hover-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .alphabet-card:hover { background: var(--fs-hover); border-color: var(--fs-tint-edge); box-shadow: var(--fs-hover-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) #ipa-guide .ipa-listen:hover { background: var(--fs-hover); border-color: var(--orange-deep); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.chip.playing, .phrase.playing, .ipa-listen.playing) { background: var(--fs-play); box-shadow: var(--fs-play-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .ipa-listen.playing { border-color: var(--orange-deep); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .alphabet-card.playing { background: var(--fs-play); border-color: var(--orange); box-shadow: 0 0 0 4px var(--orange-glow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .heart-main mark { color: var(--fs-on-accent); }

/* pictures and their frames */
html[data-fs-theme]:not([data-fs-theme="pastel"]) .storybook-frame { background: var(--fs-frame); border-color: var(--fs-edge-2); box-shadow: var(--fs-frame-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .storybook-frame::after { border-color: var(--fs-frame-inner); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .storybook-frame img { filter: var(--fs-img-filter, none); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .illustration-caption { background: var(--fs-caption); border-bottom-color: var(--fs-edge); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .illustration-caption .chip:not(.heart-card) { background: var(--fs-caption-chip); border-color: var(--fs-edge-2); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .illustration-caption > .mini-pair,
html[data-fs-theme]:not([data-fs-theme="pastel"]) .illustration-caption :is(.caption-card, .essential-card, .practice-card) { background: transparent; box-shadow: none; }

/* audio buttons: the speaker on the accent disc in the theme's own contrast (the page forces white) */
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.v2-word-btn, .v2-line-btn, .v2-play-story, .english-audio-button, .term-play,
  .reading-story-module .pat-spk, .reading-story-module .word-sound, .reading-story-module .line-sound,
  .reading-story-module .story-sound) { color: var(--fs-on-accent) !important; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.v2-word-btn, .v2-line-btn, .v2-play-story, .english-audio-button) .v2-spk path,
html[data-fs-theme]:not([data-fs-theme="pastel"]) .reading-story-module .pat-spk .spk path { stroke: var(--fs-on-accent) !important; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.v2-word-btn, .v2-line-btn, .v2-play-story, .english-audio-button) .v2-spk path:first-child,
html[data-fs-theme]:not([data-fs-theme="pastel"]) .reading-story-module .pat-spk .spk path:first-child { fill: var(--fs-on-accent) !important; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .term-play { background: var(--orange); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.v2-play-story, .v2-line-btn) { background: var(--fs-accent-btn); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.back-top, .phrase-icon) { color: var(--fs-on-accent); }
/* the page's orange glow round the button would light the small text beside it: an ordinary floating shadow instead */
html[data-fs-theme]:not([data-fs-theme="pastel"]) .back-top { box-shadow: var(--fs-float-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .floating-story-stop { color: var(--fs-on-accent); }

/* buttons that were navy */
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.alphabet-play-all, .transfer-action, .transfer-listen) {
  background: var(--fs-btn); border-color: var(--fs-btn-edge); color: var(--fs-btn-fg); box-shadow: var(--fs-btn-shadow);
}
html[data-fs-theme]:not([data-fs-theme="pastel"]) .alphabet-play-all:hover { background: var(--fs-btn-hover); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .alphabet-play-all.playing { background: var(--orange-deep); color: var(--fs-on-accent); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .alphabet-play-icon { background: rgba(127, 127, 127, 0.22); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .transfer-action.secondary { background: var(--fs-lift-2); border-color: var(--fs-secondary-edge); color: var(--navy); box-shadow: none; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.transfer-action:hover, .transfer-listen:hover, .transfer-action[aria-pressed="true"]) {
  background: var(--fs-accent-btn); border-color: var(--fs-accent-btn); color: var(--fs-on-accent);
}
html[data-fs-theme]:not([data-fs-theme="pastel"]) .floating-story-pause { background: var(--fs-btn); color: var(--fs-btn-fg); box-shadow: var(--fs-btn-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .floating-story-pause:hover { background: var(--fs-btn-hover); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .guide-playback-controls { background: var(--fs-float); border-color: var(--fs-edge-2); box-shadow: var(--fs-float-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .guide-playback-controls button { background: var(--fs-float-btn); color: var(--fs-float-btn-fg); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .guide-playback-controls button:last-child { background: var(--fs-float-btn-2); color: var(--fs-float-btn-2-fg); }

/* the top menu */
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.topnav a, .section-menu summary) { background: var(--fs-lift); border-color: var(--fs-edge-2); box-shadow: var(--fs-small-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.topnav a, .section-menu summary):hover { background: var(--fs-tint); border-color: var(--fs-tint-edge); box-shadow: none; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .section-menu[open] summary { background: var(--fs-accent-btn); border-color: var(--fs-accent-btn); color: var(--fs-on-accent); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .section-menu-panel {
  background: var(--fs-menu); border-color: var(--fs-edge-2); box-shadow: var(--fs-menu-shadow);
}
html[data-fs-theme]:not([data-fs-theme="pastel"]) .section-menu-panel a:hover { background: var(--fs-tint); }

/* the course bridge (course-bridge.js) */
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-back { background: var(--fs-lift-2); border-color: var(--fs-edge-2); box-shadow: var(--fs-small-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-back:hover { background: var(--fs-btn); color: var(--fs-btn-fg); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-chip { background: var(--fs-lift-2); border-color: var(--fs-edge-2); box-shadow: var(--fs-small-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-count.has-progress { background: #2f7d4f; border-color: #2f7d4f; color: #fff; }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-resume { background: var(--fs-accent-btn); border-color: var(--fs-accent-btn); color: var(--fs-on-accent); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-done { border-color: var(--fs-edge-2); background: var(--fs-lift); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-done.is-done { border-color: var(--fs-done-edge); background: var(--fs-done-bg); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-done-btn { background: var(--fs-btn); border: 0; color: var(--fs-btn-fg); box-shadow: var(--fs-btn-shadow); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-done-btn:hover { background: var(--fs-btn-hover); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) :is(.fsg-done-note, .fsg-undo) { color: var(--ink-mute); }
html[data-fs-theme="ink"][data-fs-theme] :is(.fsg-done-note, .fsg-undo) { color: var(--ink-soft); }
html[data-fs-theme]:not([data-fs-theme="pastel"]) .fsg-undo:hover { color: var(--navy); background: var(--fs-lift-2); }

/* the legacy story module keeps its own variables */
html[data-fs-theme="code"] .reading-story-module {
  --navy: #f3efe8; --cream2: #181d26; --soft: #aab2c0; --light: #98a0ad; --white: #12161d; --orange: #f9a04a; --orange2: #e5852a;
}
html[data-fs-theme="glass"] .reading-story-module { --cream2: rgba(255, 255, 255, 0.6); --soft: #4d5673; --light: #4d5673; --orange: #e2620f; }
html[data-fs-theme="ink"] .reading-story-module {
  --cream: #fffdf7; --navy: #203e35; --cream2: #f3eee1; --soft: #555950; --light: #5b5549; --white: #fdfaf3; --orange: #8f4124; --orange2: #7a341a;
}

/* ---------------------------------------------------------------------------------- what only one theme has */
/* code: a hairline under the hero, the orange disc with its own shade */
html[data-fs-theme="code"] .hero { border-bottom: 1px solid var(--line); }
html[data-fs-theme="code"] .term-play { background: linear-gradient(135deg, var(--orange), #e5852a); }

/* glass: rounder, frosted where something passes behind it */
html[data-fs-theme="glass"] :is(.plan, .toc, .pareto-banner, .reading-story-module .cover) { border-radius: 24px; }
html[data-fs-theme="glass"] :is(.practice-card, .sound-card, .ending-note, .essential-card, .mini-pair, .phrase, .ipa-map-disclosure, .transfer-questions) { border-radius: 20px; }
html[data-fs-theme="glass"] :is(.alphabet-card, .ipa-map-item, .blend-card, .reading-story-module .pat, .reading-story-module .story-controls) {
  border-color: var(--fs-edge); box-shadow: var(--fs-small-shadow);
}
html[data-fs-theme="glass"] :is(.plan, .toc, .practice-card, .sound-card, .ending-note, .essential-card, .mini-pair, .decode-step,
  .transfer-sentence, .ipa-map-disclosure, .phrase) { border-color: var(--fs-edge); box-shadow: var(--fs-rim), 0 10px 30px -14px rgba(40, 56, 110, 0.22); }
html[data-fs-theme="glass"] :is(.plan, .toc, .practice-card, .sound-card, .ending-note, .essential-card, .mini-pair, .phrase) { background: var(--fs-shell); }
html[data-fs-theme="glass"] .v2-controls { border-color: rgba(24, 33, 53, 0.08); box-shadow: var(--fs-rim); }
html[data-fs-theme="glass"] .transfer-action.secondary { box-shadow: var(--fs-rim); }
html[data-fs-theme="glass"] .illustration-caption .chip:not(.heart-card) { border-color: var(--line-strong); }
html[data-fs-theme="glass"] .guide-playback-controls, html[data-fs-theme="glass"] .section-menu-panel {
  -webkit-backdrop-filter: blur(28px) saturate(185%); backdrop-filter: blur(28px) saturate(185%);
}
/* the bright orange is for discs and large type; small orange text on frosted white takes the deeper shade */
html[data-fs-theme="glass"] :is(.plan-when, .v2-ipa, .v2-kicker, .v2-intro-kicker, .pat-heading b, .stressed, em.lt, .toc a em,
  .reading-story-module .pat b, .reading-story-module .ipa, .reading-story-module .pat-ipa, .reading-story-module .chapter .label) { color: var(--orange-deep); }
html[data-fs-theme="glass"] .toc a:hover { color: var(--orange-deep); }
html[data-fs-theme="glass"] .decoding-shell h2 em { color: #d65a0c; } /* large type, 3:1 on the frosted blue */
/* and the text on the blue block keeps full strength */
html[data-fs-theme="glass"] :is(.hero-lede, .hero-meta-item.right, .pareto-banner p) { opacity: 1; }
html[data-fs-theme="glass"] .question-lt { color: rgba(255, 255, 255, 0.92); }
}

/* ==========================================================================================================
   Pastel (the guide as authored) and reading contrast (roadmap 3.2). The guide's own orange and greys are for
   discs, borders and large type; as small text on its cream they come to 2:1 to 4.4:1. Here that text, and only
   that text, takes a deeper shade (4.5:1 on every cream surface of the page; 3:1 for the large headings), and white
   on the orange discs becomes navy. The other themes have their own shades above.
   ========================================================================================================== */
@media screen {
html[data-fs-theme="pastel"] {
  --ink-mute: #565e7c;
  --fs-orange-text: #943f07; /* small text */
  --fs-orange-large: #c0510b; /* type of 24px and more */
}
html[data-fs-theme="pastel"] :is(.plan-when, .v2-ipa, .v2-kicker, .v2-intro-kicker, .pat-heading b, .stressed, em.lt, .toc a em,
  .illustration-sound, .h3-num, .decode-step b, .mini-pair-title, .blend-word small, .alphabet-listen,
  .reading-story-module .pat b, .reading-story-module .ipa, .reading-story-module .pat-ipa, .reading-story-module .chapter .label) { color: var(--fs-orange-text); }
html[data-fs-theme="pastel"] :is(h2 em, h3 > em.lt) { color: var(--fs-orange-large); }
html[data-fs-theme="pastel"] :is(.v2-lt, .v2-unit-lt, .chip-lt, .how, .pat > p) { color: var(--ink-mute); }
html[data-fs-theme="pastel"] .toc-title { opacity: 0.72; }
html[data-fs-theme="pastel"] footer .meta { opacity: 0.65; }
html[data-fs-theme="pastel"] :not(.pareto-banner) > .section-label { opacity: 0.68; }
html[data-fs-theme="pastel"] :is(.v2-line-btn, .v2-play-story) :is(span, svg) { color: var(--navy); }
html[data-fs-theme="pastel"] :is(.fsg-resume, .v2-play-story) { color: var(--navy); }
}