/* The only shared-layout visual changes are subject palette tokens. Common CSS is exact Korean source. */
:root{--blue:#087F74;--blue-focus:#087F74;--ink:#202334;--sub:#5E6575;--hair:#E1E6E5;--parchment:#F4F8F7;--pearl:#F4F8F7}
.pill:hover:not(:disabled).primary{background:#075E55}
.choice.selected,.step-tab.current{background:#eef9f6}
.ink-em{color:#087F74}
.ink-warning{color:#A44B20}
.ink-reason{color:#6570AB}
.ink-answer{color:#075E55}
.english-phrase-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin:18px 0}
.english-phrase-card{border:1px solid var(--hair);border-radius:13px;padding:13px 14px;background:#fff;min-width:0}
.english-phrase-card strong{display:block;font-size:18px;line-height:1.5;overflow-wrap:anywhere}
.english-phrase-card .phrase-ko{color:var(--sub);font-size:13px;margin-top:5px}
.audio-control{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:10px 0 6px}
.audio-control button{min-height:44px;border:1px solid #aad2cb;border-radius:10px;background:#f3fbf8;color:#075E55;font-size:13px;font-weight:600;padding:9px 12px;cursor:pointer}
.audio-control button:focus-visible{outline:2px solid #087F74}
.audio-control output{font-size:12px;color:#657079}
.audio-note{font-size:12px;color:#72553b;margin:3px 0 11px;line-height:1.5}
.english-activity{border-top:1px solid var(--hair);margin-top:24px;padding-top:20px}
.english-activity h4{font-size:18px;margin:0 0 7px}
.activity-choices{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.activity-choices button{border:1px solid #b7d6cf;border-radius:11px;padding:12px 16px;min-height:44px;background:white;color:var(--ink);font-size:15px}
.activity-choices button:disabled{opacity:.6}
.activity-feedback{min-height:23px;color:#075E55;font-size:14px;font-weight:600}
.activity-picked{padding:12px 15px;min-height:49px;border-radius:10px;background:#f4f8f7;font-weight:600;word-break:break-word}
.english-words{font-family:Arial,'Malgun Gothic',sans-serif;letter-spacing:0}
.english-basis{display:inline-block;margin-left:7px;font-weight:500;color:#657079;font-size:12px}
.listen-badge{display:inline-flex;align-items:center;gap:5px;background:#fbf3ed;color:#A44B20;padding:5px 8px;border-radius:8px;font-size:12px;font-weight:700;margin-bottom:11px}
.teacher-script{border-left:3px solid #087F74;padding-left:12px;margin-top:8px;font-size:13px}
.print-listening-note{font-size:10pt;color:#555;border:1px solid #aaa;padding:2mm 3mm;margin:2mm 0}
.print-english-phrase{font-family:Arial,'Malgun Gothic',sans-serif;overflow-wrap:anywhere}
/* Preserve the original split/sidebar/header breakpoints; content may wrap naturally. */
@media(max-width:740px){.english-phrase-list{grid-template-columns:1fr}.activity-choices button{flex:1 1 auto}}
@media print{.audio-control,.english-activity,.audio-note{display:none!important}.english-phrase-list{display:none!important}.teacher-script{font-size:9pt}}
/* Exact Korean geometry, distinct English subject palette. Do not alter shared sizing/spacing. */
.course-picker{background:linear-gradient(165deg,#e9f9f4 0%,#def4ee 55%,#f5fcfa 100%)}
.course-picker:before{content:'LISTEN · SPEAK · READ';color:rgba(8,127,116,.045)}
.picker-kicker,.hero-highlight,.tiny-symbol,.nav-link.active,.stage-kicker,.lesson-meta,.chapter-number,.eyebrow,.section-num,.diagram-step-no,.visual-arthead>svg,.unit-index{color:#087F74!important}
.brand-book{background:#087F74!important}
.picker-step{background:#087F74!important;color:white!important}
.grade-tab.active,.course-picker .grade-tab.active,.semester-tab.active,.course-picker .semester-tab.active{background:#087F74!important;border-color:#087F74!important;color:white!important;box-shadow:0 5px 14px rgba(8,127,116,.18)!important}
.grade-tab,.semester-tab{border-color:#c7e1d9!important}
.pill.primary,.course-picker .pill.primary{background:#087F74!important;border-color:#087F74!important;color:white!important;box-shadow:0 5px 0 #075e5519!important}
.pill.primary:hover:not(:disabled){background:#075E55!important}
.pill.outline{border-color:#087F74!important;color:#087F74!important}
.picker-start{background:#087F74!important;color:white!important}
.picker-bottom{background:#0b2640!important}
.art-book{border-color:#1f9f94!important}.art-talk{border-color:#65bbaa!important}.art-pencil{border-color:#087F74!important}
.hero-spark{color:#087F74!important}
.step-tab.current,.unit-item.active{color:#087F74!important;border-color:#7bbcb2!important}
.edition-header{background:#0b2640!important}
.progressbar>div{background:#087F74!important}
.nav-course-shortcut{color:#087F74!important;background:#f0faf7!important;border-color:#c7e1d9!important}
@media print {.print-solution-intro{color:#394e4d!important}.answer-title{border-bottom-color:#087F74!important}}
/* Preserve subject colors in print; Korean's legacy print rules contain fixed blue links. */
@media print {
  .ink-em,.ink-key,.ink-question,.ink-answer{color:#087F74!important;text-decoration-color:#087F74!important}
  .ink-warning{color:#A44B20!important}
  .ink-reason{color:#6570AB!important}
}