/* Day1Korean: deep navy glass and a concentrated sky-blue light source. */
body.learning-glass {
  --paper: #070d1e; --white: #101c30; --ink: #f1f7ff; --muted: #b2c1d7;
  --line: #c3ddff24; --accent: #7dd3fc; --accent-dark: #bae6fd;
  --action-bg: #38bdf8; --action-hover: #7dd3fc; --on-action: #051a2f;
  background: radial-gradient(ellipse 1000px 740px at 78% 6%, #134e774d, transparent 75%),
    radial-gradient(ellipse 800px 1000px at 0% 42%, #30306030, transparent 80%), #070d1e;
  color-scheme: dark;
}
.learning-glass ::selection { background: #bae6fd; color: #071c31; }
.learning-glass .skip-link { background: #d5efff; color: #061c31; }
.learning-glass :is(a,button):focus-visible { outline-color: #bae6fd; }
.learning-glass .site-header { background: #08101be0; border-color: #b5d6ff1f; backdrop-filter: blur(24px) saturate(150%); -webkit-backdrop-filter: blur(24px) saturate(150%); }
.learning-glass .header-inner { min-height: 98px; }
.learning-glass .wordmark-one, .learning-glass .wordmark-dot { color: #7dd3fc; }
.learning-glass .wordmark small { color: #a3b7ce; }
.learning-glass .site-header nav a { color: #d4dfef; }
.learning-glass .site-header nav a:hover, .learning-glass .site-header nav a[aria-current] { color: #7dd3fc; }
.learning-glass .language { color: #b7c8de; }
.learning-glass .eyebrow { color: #8dd9ff; }
.learning-glass em { color: #a9dfff; }
.learning-glass .button {
  background: radial-gradient(ellipse at 85% 10%, #d5f2ff 0%, #62d1ff 30%, #38bdf8 62%, #1194ce 100%);
  color: #06213b; border: 1px solid #b3e7ffb3; border-radius: 12px;
  box-shadow: inset 0 1px 1px #ffffffc7, inset 0 -2px 8px #0879a957, 0 7px 30px #1eaffb24;
  transition: box-shadow .25s, transform .25s; font-size: 17px;
}
.learning-glass .button:hover { transform: translateY(-2px); box-shadow: inset 0 1px 1px #fff, 0 9px 35px #38bdf845; }
.learning-glass .text-link { color: #d8eeff; }
.learning-glass .motion-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 40px; border: 1px solid #b5d6ff30; border-radius: 30px; padding: 7px 12px; background: #ffffff07; color: #d8e7f9; font: 400 12px/1.3 var(--serif); }
.learning-glass .motion-toggle-icon { width: 8px; height: 10px; border-inline: 2px solid currentColor; }
.learning-glass.motion-paused .motion-toggle-icon { width: 0; height: 0; border: 5px solid transparent; border-right: 0; border-left: 7px solid currentColor; }
.learning-glass .learning-hero { grid-template-columns: 1.02fr 1fr; gap: 50px; padding-block: 76px 90px; min-height: 740px; }
.learning-glass .hero-copy { position: relative; z-index: 2; }
.learning-glass .hero-copy .eyebrow { font-size: 10px; letter-spacing: .14em; margin-bottom: 30px; }
.learning-glass .learning-hero h1 { font-size: clamp(64px,6.2vw,88px); line-height: 1.04; letter-spacing: -.035em; }
.learning-glass .learning-hero h1 em { display: inline-block; padding-bottom: .08em; }
.learning-glass .hero-description { max-width: 440px; margin-top: 27px; font-size: 20px; color: #b9c9df; }
.learning-glass .hero-actions { gap: 22px; }
.learning-glass .hero-actions .text-link { font-size: 16px; }
.learning-glass .hero-footnote { color: #a2b6cf; }
.learning-glass .tiny-rule { background: #74cfff; }

/* Only light and the decorative plate move; the reading surface stays still. */
.hello-composition { position: relative; padding: 24px 18px 100px; isolation: isolate; }
.hello-composition::before { content: ''; position: absolute; inset: 10% -4% 0; border-radius: 50%; background: radial-gradient(ellipse, #148ad966, #3b69d51f 48%, transparent 70%); filter: blur(25px); z-index: -2; }
.hello-atmosphere { position: absolute; inset: -30px -18px -15px; overflow: clip; z-index: -1; }
.hello-orbit { position: absolute; z-index: -1; border: 1px solid #78caff27; border-radius: 50%; inset: 13% -4% 20%; transform: rotate(-27deg); }
.hello-orbit-two { inset: 4% 15% 8%; transform: rotate(32deg); border-color: #a7a9ed26; }
.hello-glass { position: relative; min-height: 455px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; border-radius: 32px; border: 1px solid #b3e6ff69; padding: 30px;
  background: radial-gradient(ellipse at 89% 1%, #c8f1ff75, transparent 47%), radial-gradient(ellipse at 0% 90%, #5452a557, transparent 64%), linear-gradient(135deg, #205273b3, #0b1d3de0 72%);
  box-shadow: inset 0 2px 2px #e3f6ff61, inset 1px 0 0 #8fbdff30, inset 0 -1px 0 #77c7ff47, 0 30px 75px #020815a6, 0 0 60px #38bdf80d;
  backdrop-filter: blur(28px) saturate(180%); -webkit-backdrop-filter: blur(28px) saturate(180%); transform: rotate(-5deg);
}
.hello-glass::before { content: ''; position: absolute; width: 130%; height: 90%; left: -15%; top: -70%; background: linear-gradient(175deg, transparent, #bceaff1c 73%, #daf6ff6b 74%, transparent 75%); transform: rotate(-18deg); pointer-events: none; }
.hello-glass-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: #d3ebff; font: 600 9px/1.5 var(--small); letter-spacing: .12em; }
.hello-glass-top [lang=ko] { font: 500 13px/1.5 var(--ko); letter-spacing: .1em; }
.hello-art { padding: 20px 0 32px; text-align: center; }
.hello-art span { display: block; font: 600 clamp(130px,14vw,192px)/1.15 var(--ko); letter-spacing: -.11em; padding-right: .1em; color: #c4eaff;
  background: linear-gradient(140deg, #ffffff 2%, #def6ff 21%, #67bbea 47%, #f4ffff 57%, #79bef3 76%, #accdff 95%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 1px 0 #ecfcffd6) drop-shadow(2px 5px 0 #2b6192) drop-shadow(0 12px 11px #010f3266);
}
.hello-glass-bottom { display: flex; justify-content: space-between; align-items: end; gap: 12px; padding-top: 24px; border-top: 1px solid #d3efff36; }
.hello-glass-bottom p { font: 400 22px/1.7 var(--ko); color: #f0f8ff; }
.hello-glass-bottom div>span { color: #b7cce2; font-size: 16px; }
.hello-glass-index { color: #acdfff; font-size: 40px; line-height: 1; }
.hello-caption { position: absolute; bottom: 12px; left: 0; right: 28px; display: flex; align-items: center; gap: 15px; border-radius: 17px; padding: 18px 22px; border: 1px solid #d7eeff36;
  background: linear-gradient(120deg, #1c3854eb, #131f36e8); box-shadow: inset 0 1px 0 #dcf1ff26, 0 20px 40px #0108177a;
  backdrop-filter: blur(28px) saturate(180%); -webkit-backdrop-filter: blur(28px) saturate(180%); transition: border-color .25s;
}
.hello-caption:hover { border-color: #94d6ff90; }
.hello-caption-symbol { width: 48px; height: 48px; flex-shrink: 0; display: grid; place-items: center; border-radius: 12px; font: 500 25px/1 var(--ko); color: #bbebff; border: 1px solid #9edaff50; background: #3dadf519; }
.hello-caption small { display: block; color: #9ccbea; font: 600 8px/1.6 var(--small); letter-spacing: .1em; }
.hello-caption strong { display: block; color: #e7f3ff; font-weight: 400; font-size: 19px; line-height: 1.4; margin-top: 4px; }
.hello-caption-arrow { margin-left: auto; font-size: 27px; color: #bae6fd; }
.learning-glass { --glass-motion: paused; }
.learning-glass.motion-ready .hello-composition.is-in-view { --glass-motion: running; }
.learning-glass.motion-paused .hello-composition.is-in-view { --glass-motion: paused; }
.hello-glass { animation: hello-float 14s ease-in-out infinite; animation-play-state: var(--glass-motion,paused); }
.hello-composition::before { animation: hello-glow 12s ease-in-out infinite; animation-play-state: var(--glass-motion,paused); }
@keyframes hello-float { 0%,100% { transform: translateY(0) rotate(-5deg); } 50% { transform: translateY(-12px) rotate(-3deg); } }
@keyframes hello-glow { 0%,100% { opacity: .7; transform: scale(.95); } 50% { opacity: 1; transform: scale(1.05); } }

.learning-glass .editorial-divider { border-color: var(--line); color: #a7b9d2; }
.learning-glass .editorial-divider span:first-child { color: #8cd8ff; }
.learning-glass .section { padding-block: 78px 90px; }
.learning-glass .section-heading>p { color: #afc0d8; }
.learning-glass .journey-grid { gap: 20px; }
.learning-glass .journey-card { border: 1px solid #cee4ff26; border-radius: 22px; padding: 16px 16px 24px; overflow: hidden; background: linear-gradient(155deg,#2037506b,#0c1529d9 72%); box-shadow: inset 0 1px 0 #ffffff0d,0 15px 35px #01081533; transition: transform .25s, border-color .25s; }
.learning-glass .journey-card:hover { transform: translateY(-5px); border-color: #87ceff70; background: linear-gradient(155deg,#294c6b80,#101d36); }
.learning-glass .journey-photo { width: 100%; height: 176px; border-radius: 12px; margin-bottom: 22px; filter: none; }
.learning-glass .journey-card-top { margin-bottom: 18px; }
.learning-glass .step-number { color: #ade6ff; background: #53b9ff12; border: 1px solid #74cfff30; border-radius: 50%; width: 42px; height: 42px; font-size: 26px; }
.learning-glass .journey-card .icon { color: #80cfff; width: 25px; }
.learning-glass .journey-card .eyebrow { color: #90bbd9; font-size: 9px; }
.learning-glass .journey-card h3 { font-size: 27px; color: #f0f7ff; margin-top: 12px; }
.learning-glass .journey-card>p:not(.eyebrow) { color: #bbcadf; font-size: 16px; }
.learning-glass .journey-card .text-link { color: #a2dcff; font-size: 15px; padding-top: 25px; }
.learning-glass .hangul-feature { gap: 90px; padding-block: 65px 80px; }
.learning-glass .hangul-tiles { gap: 18px; padding: 30px; border-radius: 32px; border: 1px solid #a2ceff24; background: radial-gradient(at 85% 0%,#2378a738,transparent 60%),#0b1429; box-shadow: inset 0 1px 0 #daf3ff17; transform: rotate(-3deg); }
.learning-glass .hangul-tiles span { border-radius: 19px; color: #c9ecff; border: 1px solid #c2eaff4d; background: linear-gradient(140deg,#6593b65c,#122e4c66 50%,#6a74b42b); box-shadow: inset 0 1px 0 #e3f8ff45,0 8px 20px #020a173b; }
.learning-glass .hangul-tiles span:nth-child(2), .learning-glass .hangul-tiles span:nth-child(3) { background: linear-gradient(140deg,#6b89bd6b,#24355961 60%,#5193ba1f); color: #d8e4ff; }
.learning-glass .hangul-feature p:not(.eyebrow) { color: #b2c1d7; }
.learning-glass .cross-site { border-top: 1px solid var(--line); padding-block: 60px 85px; }
.learning-glass .site-footer { background: #040916; border-top: 1px solid #b9dcff1c; }
.learning-glass .footer-brand span { color: #7dd3fc; }
.learning-glass .footer-top p, .learning-glass .footer-links, .learning-glass .footer-bottom { color: #b0c0d6; }
.learning-glass .toast { background: #d4efff; color: #061c31; box-shadow: 0 7px 30px #0008; border-radius: 10px; }

/* Conversations retain the same controls and accessible, static text. */
.learning-glass .breadcrumb { color: #abc0d9; }
.learning-glass .scene-intro { padding-block: 42px 38px; }
.learning-glass .scene-intro h1 { font-size: clamp(44px,5.1vw,70px); }
.learning-glass .scene-format { color: #99bfdc; }
.learning-glass .scene-badge { background: linear-gradient(140deg,#568eba36,#0b1a3366); border: 1px solid #9edaff40; border-radius: 26px; color: #a5e4ff; box-shadow: inset 0 1px 0 #e8f7ff24; transform: rotate(-5deg); }
.scene-switcher { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; margin-bottom: 36px; }
.scene-switcher a { display: grid; grid-template-columns: 1fr auto; gap: 6px 10px; padding: 16px 20px; min-height: 98px; border: 1px solid #b6dbff26; border-radius: 16px; background: linear-gradient(120deg,#16324d66,#0d172bd9); box-shadow: inset 0 1px 0 #e2f4ff0a; transition: transform .2s,border-color .2s; }
.scene-switcher a:hover { border-color: #87ceff80; transform: translateY(-2px); }
.scene-switcher-number { font: 600 10px/1.5 var(--small); letter-spacing: .06em; color: #9fddff; }
.scene-switcher strong { grid-column: 1; font-size: 20px; line-height: 1.25; font-weight: 400; }
.scene-switcher .icon { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: #90d5ff; }
.scene-switcher a[aria-current] { color: #05233a; background: radial-gradient(ellipse at 85% 15%,#bae6fd 0%,#38bdf8 38%,#0284c7 75%,#0369a1 100%); border-color: #caeeff; box-shadow: inset 0 1px 2px #e8fbff,0 4px 28px #32b6ff38; }
.scene-switcher a[aria-current] :is(.scene-switcher-number,.icon) { color: #092c47; }
.learning-glass .scene-layout { grid-template-columns: 280px minmax(0,1fr); gap: 38px; padding-top: 0; }
.learning-glass .lesson-notes { display: block; }
.learning-glass .lesson-context img { border-radius: 15px; }
.learning-glass .lesson-context figcaption { color: #b0c1d9; }
.learning-glass .photo-credit { color: #9ec9e8; }
.learning-glass .lesson-notes h2 { color: #ecf6ff; font-size: 28px; line-height: 1.35; }
.learning-glass .lesson-notes>p { color: #b2c1d7; }
.learning-glass .lesson-words { border-color: #b1d8ff2c; }
.learning-glass .lesson-words div span:last-child { color: #afc4df; }
.learning-glass .conversation { border: 1px solid #d2e9ff29; border-radius: 22px; padding: 22px; background: radial-gradient(ellipse at 80% 0%,#237ba423,transparent 52%),#0b1426d9; box-shadow: inset 0 1px 0 #e7f6ff12,0 20px 55px #00031a40; backdrop-filter: blur(28px) saturate(180%); -webkit-backdrop-filter: blur(28px) saturate(180%); }
.learning-glass .conversation-toolbar { padding: 1px 0 22px; border: 0; background: transparent; }
.learning-glass .conversation-toolbar h2 { font-size: 29px; }
.learning-glass .translation-toggle { background: #15456766; border: 1px solid #67caff55; border-radius: 9px; color: #b8e9ff; min-height: 44px; padding-inline: 14px; }
.learning-glass .translation-toggle:hover { background: #27587980; }
.learning-glass .dialogue { display: grid; gap: 12px; }
.learning-glass .dialogue-line { border: 1px solid #d2e9ff20; border-radius: 14px; padding: 23px 20px; gap: 20px; background: #b2d9ff05; }
.learning-glass .dialogue-line:focus-within { border-color: #68c8ff75; background: #142844; box-shadow: inset 3px 0 0 #7dd3fc; }
.learning-glass .speaker { color: #b2c7df; min-width: 60px; }
.learning-glass .speaker>span { color: #7dd3fc; }
.learning-glass .dialogue-text { min-width: 0; flex: 1; }
.learning-glass .dialogue-text p[lang=ko] { color: #f1f7ff; font-weight: 500; font-size: 23px; line-height: 1.7; word-break: keep-all; overflow-wrap: anywhere; }
.learning-glass .dialogue-text .translation { color: #bfcee3; font-size: 17px; line-height: 1.6; }
.learning-glass .copy-phrase { color: #9dc6e7; border: 1px solid #b8dcff26; background: #8bd0ff08; border-radius: 9px; flex-shrink: 0; opacity: 1; }
.learning-glass .copy-phrase:hover { color: #e8f7ff; background: #38bdf826; }
.learning-glass .lesson-note { background: transparent; color: #aebed6; padding: 20px 2px 0; border: 0; }
.learning-glass .scene-bottom { padding-block: 48px 75px; border-top: 1px solid var(--line); }
.learning-glass .scene-guide { border-color: var(--line); }
.learning-glass .scene-guide p { color: #b2c1d7; }
.learning-glass .hangul-example { padding: 34px; border: 1px solid #cce6ff29; border-radius: 24px; background: radial-gradient(at 5% 5%,#3b8eaa38,transparent 65%),#101b30; }
.learning-glass .hangul-example .syllable { background: transparent; color: #a5dfff; }
.learning-glass .alphabet-grid { border: 0; gap: 16px; }
.learning-glass .letter-card { border: 1px solid #c5e8ff2e; border-radius: 16px; background: linear-gradient(135deg,#2a4c6966,#101a2f); box-shadow: inset 0 1px 0 #ffffff0a; }
.learning-glass .letter-card .letter { color: #b4e8ff; }

@media (max-width:1100px) {
  .learning-glass .learning-hero { gap: 26px; padding-block: 60px 65px; min-height: 670px; }
  .learning-glass .learning-hero h1 { font-size: 66px; }
  .learning-glass .header-inner { gap: 16px; }
  .learning-glass .header-tools { gap: 12px; }
  .learning-glass .site-header nav { gap: 20px; }
  .learning-glass .motion-toggle { width: 36px; min-height: 36px; padding: 0; }
  .learning-glass [data-motion-label] { display: none; }
  .hello-glass { min-height: 415px; padding: 25px; }
  .hello-art span { font-size: 150px; }
  .hello-caption { padding: 15px; gap: 12px; }
  .hello-caption strong { font-size: 16px; }
  .learning-glass .journey-grid { gap: 14px; }
  .learning-glass .journey-photo { height: 145px; }
  .learning-glass .journey-card h3 { font-size: 24px; }
  .learning-glass .scene-layout { grid-template-columns: 240px minmax(0,1fr); gap: 26px; }
  .learning-glass .dialogue-line { gap: 13px; padding: 20px 16px; }
  .learning-glass .dialogue-text p[lang=ko] { font-size: 21px; }
}
@media (max-width:800px) {
  .learning-glass .header-inner { min-height: 86px; }
  .learning-glass .site-header nav.is-open { background: #0d1a30f5; backdrop-filter: blur(28px); border-color: #b5d6ff30; box-shadow: 0 15px 30px #0005; }
  .learning-glass .learning-hero { gap: 26px; padding-block: 60px; }
  .learning-glass .learning-hero h1 { font-size: 52px; }
  .learning-glass .hero-copy .eyebrow { font-size: 8px; }
  .learning-glass .hero-description { font-size: 18px; }
  .hello-composition { padding: 20px 2px 100px 12px; }
  .hello-glass { min-height: 350px; padding: 22px; border-radius: 24px; }
  .hello-glass-top { font-size: 7px; }
  .hello-art { padding-block: 20px; }
  .hello-art span { font-size: 118px; }
  .hello-glass-bottom p { font-size: 18px; }
  .hello-caption { right: 0; gap: 10px; padding: 14px; }
  .hello-caption-symbol { width: 37px; height: 40px; font-size: 22px; }
  .hello-caption strong { font-size: 14px; }
  .hello-caption small { font-size: 7px; }
  .hello-caption-arrow { font-size: 22px; }
  .learning-glass .journey-grid { gap: 22px; }
  .learning-glass .journey-card { padding: 16px 16px 24px; }
  .learning-glass .journey-photo { height: 210px; }
  .learning-glass .journey-card h3 { font-size: 28px; }
  .learning-glass .hangul-feature { gap: 36px; }
  .learning-glass .hangul-tiles { padding: 20px; gap: 12px; }
  .learning-glass .scene-layout { grid-template-columns: 1fr; gap: 38px; }
  .learning-glass .lesson-notes { display: grid; grid-template-columns: 1.1fr 1fr; gap: 0 32px; }
  .learning-glass .lesson-context { grid-column: 1; grid-row: 1 / span 6; }
  .learning-glass .lesson-notes>:not(.lesson-context) { grid-column: 2; grid-row: auto; }
  .learning-glass .lesson-words { border-left: 0; border-top: 1px solid var(--line); padding: 20px 0 0; margin-top: 20px; }
  .scene-switcher a { padding: 16px; gap: 6px; }
  .scene-switcher strong { font-size: 17px; }
  .scene-switcher .icon { width: 21px; }
}
@media (max-width:580px) {
  .learning-glass .header-inner { min-height: 80px; }
  .learning-glass .wordmark>span { font-size: 27px; }
  .learning-glass .wordmark small { font-size: 7px; }
  .learning-glass .header-tools { gap: 8px; }
  .learning-glass .language .icon { display: none; }
  .learning-glass .language { font-size: 11px; }
  .learning-glass .menu-toggle { width: 36px; }
  .learning-glass .motion-toggle { width: 30px; min-height: 32px; }
  .learning-glass .learning-hero { grid-template-columns: 1fr; padding-block: 42px 30px; gap: 32px; }
  .learning-glass .hero-copy .eyebrow { font-size: 8px; margin-bottom: 24px; }
  .learning-glass .learning-hero h1 { font-size: clamp(45px,12.3vw,69px); line-height: 1.05; }
  .learning-glass .hero-description { margin-top: 22px; font-size: 18px; max-width: 36ch; }
  .learning-glass .hero-actions { gap: 17px; margin-top: 24px; }
  .learning-glass .hero-actions .button { padding-inline: 22px; font-size: 16px; min-height: 54px; }
  .learning-glass .hero-actions .text-link { font-size: 16px; }
  .hello-composition { padding: 23px 13px 100px; max-width: 410px; width: 100%; justify-self: center; }
  .hello-glass { min-height: 346px; padding: 24px; }
  .hello-art span { font-size: clamp(122px,37vw,166px); }
  .hello-glass-top { font-size: 8px; }
  .hello-glass-bottom p { font-size: 20px; }
  .hello-caption { left: 0; right: 9px; bottom: 12px; padding: 16px; }
  .hello-caption-symbol { width: 42px; height: 44px; }
  .hello-caption strong { font-size: 16px; }
  .hello-caption small { font-size: 7px; }
  .hello-orbit { inset-inline: 0; }
  .learning-glass .editorial-divider { padding-block: 21px; }
  .learning-glass .section { padding-block: 50px 60px; }
  .learning-glass .section-heading h2 { font-size: 36px; }
  .learning-glass .journey-grid { grid-template-columns: 1fr; gap: 22px; }
  .learning-glass .journey-card { padding: 16px 18px 26px; }
  .learning-glass .journey-photo { height: auto; aspect-ratio: 16/9; }
  .learning-glass .journey-card h3 { font-size: 30px; }
  .learning-glass .journey-card>p:not(.eyebrow) { max-width: none; font-size: 17px; }
  .learning-glass .journey-card .text-link { font-size: 16px; padding-top: 20px; }
  .learning-glass .hangul-feature { grid-template-columns: 1fr; padding-block: 40px 55px; gap: 42px; }
  .learning-glass .hangul-tiles { gap: 8px; padding: 16px; margin-inline: 3px; border-radius: 22px; }
  .learning-glass .hangul-tiles span { border-radius: 12px; font-size: 40px; }
  .learning-glass .cross-site { padding-block: 43px 60px; }
  .learning-glass .scene-intro { padding-block: 27px; }
  .learning-glass .scene-intro h1 { font-size: 44px; }
  .learning-glass .scene-intro .lead { font-size: 18px; }
  .scene-switcher { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin-bottom: 25px; }
  .scene-switcher a { padding: 14px 16px; min-height: 86px; border-radius: 13px; }
  .scene-switcher strong { font-size: 18px; }
  .learning-glass .conversation { padding: 14px; border-radius: 19px; }
  .learning-glass .conversation-toolbar { padding: 4px 0 17px; gap: 10px; }
  .learning-glass .conversation-toolbar h2 { font-size: 24px; }
  .learning-glass .translation-toggle { padding-inline: 10px; font-size: 13px; }
  .learning-glass .dialogue-line { display: block; padding: 18px 15px; }
  .learning-glass .speaker { display: flex; align-items: center; gap: 10px; max-width: none; margin-bottom: 13px; padding-right: 38px; font-size: 12px; }
  .learning-glass .speaker>span { margin: 0; }
  .learning-glass .dialogue-text p[lang=ko] { padding-right: 0; font-size: 21px; line-height: 1.85; }
  .learning-glass .dialogue-text .translation { padding-right: 0; font-size: 16px; }
  .learning-glass .copy-phrase { position: absolute; top: 8px; right: 9px; bottom: auto; width: 40px; height: 40px; }
  .learning-glass .lesson-note { padding: 18px 1px 4px; }
  .learning-glass .lesson-notes { display: block; }
  .learning-glass .lesson-context img { aspect-ratio: 16/9; }
  .learning-glass .lesson-notes h2 { font-size: 28px; }
  .learning-glass .scene-bottom { padding-block: 35px 55px; }
  .learning-glass .hangul-example { padding: 24px 18px; gap: 10px; }
  .learning-glass .hangul-example>span { font-size: 44px; }
  .learning-glass .alphabet-grid { gap: 10px; }
  .learning-glass .letter-card { padding: 22px 6px; }
}
@media (prefers-reduced-motion:reduce) {
  .hello-glass, .hello-composition::before { animation: none; }
  .learning-glass .button:hover, .learning-glass .journey-card:hover, .scene-switcher a:hover { transform: none; }
}
@media print {
  body.learning-glass { background: white; color: black; --ink: black; --muted: #333; }
  .learning-glass .conversation, .learning-glass .dialogue-line { background: white; color: black; box-shadow: none; }
  .learning-glass .dialogue-text p[lang=ko], .learning-glass .dialogue-text .translation, .learning-glass .speaker { color: black; }
  .scene-switcher, .hello-composition { display: none; }
}

.learning-glass .journey-card:nth-child(n) .step-number { background: #53b9ff12; color: #ade6ff; }
.learning-glass .cross-site .text-link { color: #b4e5ff; }
.learning-glass .footer-top { border-color: var(--line); }