/* Shared with the new public site: ivory, sage, blush, forest green.
   Teaching artwork, character fonts, game states and print layouts stay owned
   by their original stylesheets. Load this after legacy visual themes. */
:root {
  --mc-forest:#315b3c; --mc-ink:#183b2c; --mc-muted:#637066;
  --mc-paper:#fafaf6; --mc-sage:#edf2e8; --mc-blush:#faf0ee;
  --mc-line:#dfe5da; --round:12px; --round-sm:8px; --soft-shadow:none;
  --leaf:#315b3c; --leaf-deep:#183b2c; --leaf-soft:#edf2e8;
  --learn-green:#315b3c; --learn-line:#dfe5da; --learn-soft:#edf2e8;
  --ls-blue:#315b3c; --ls-blue-strong:#23472e; --ls-navy:#183b2c;
  --ls-ink:#273d30; --ls-muted:#637066; --ls-bg:#fafaf6; --ls-tint:#edf2e8;
  --ls-line:#dfe5da; --ls-radius:12px; --ls-shadow:none; --ls-shadow-sm:none;
}
body.mc-inner {background:var(--mc-paper)!important;color:var(--mc-ink)}
.mc-inner :is(a,button,input,select,summary):focus-visible {outline:3px solid #b56d70;outline-offset:4px}
.mc-inner :is(.solid,.outline,.ls-btn,.practice-modes button,.hz-filters button,.hz-tabs button,.step-dots button,.step-controls>button,.hz-plan-actions>*,.kids-actions>*,.lesson-actions>*,.writer-actions>*,.panel-buttons>*,.sp-bar button,.sp-guide button,.sp-tools button) {border-radius:7px!important;min-height:42px}
.mc-inner .solid {background:var(--mc-forest);border-color:var(--mc-forest);color:#fff}
.mc-inner .outline {background:#fff;border-color:#9aac98;color:var(--mc-ink)}
.mc-inner :is(.solid,.outline):hover {box-shadow:0 2px 8px #173b2812}
.mc-inner :is(.lesson-panel-card,.hz-tile,.hz-jj-lesson,.lesson-directory-card,.lr-book,.lr-foundation) {box-shadow:none;border-color:var(--mc-line)!important}
.mc-inner :is(.lesson-panel-card,.practice-play,.parents-section,.resources-fold,.hz-jj-lesson,.lesson-card,.unit-card) {border-radius:12px!important}

/* Same wordmark and public navigation on every level of the learning site. */
body.mc-inner>.mc-header {position:relative;z-index:30;background:#fff;border-bottom:1px solid var(--mc-line);backdrop-filter:none}
.mc-header-inner {max-width:1240px;margin:auto;min-height:88px;padding:16px 32px;display:flex;align-items:center;gap:28px;box-sizing:border-box}
.mc-brand {display:flex;flex-direction:column;flex:none;text-decoration:none;color:var(--mc-ink);line-height:1.3}
.mc-brand strong {font:700 25px/1.3 'Noto Serif SC','Songti SC',serif}
.mc-brand span {font:400 16px/1.3 'Noto Sans',sans-serif}
.mc-main-nav {display:flex;align-items:center;gap:8px;margin-left:auto}
.mc-main-nav a {padding:10px 14px;color:var(--mc-ink);font:500 15px/1.5 var(--ls-sans);text-decoration:none;white-space:nowrap;border-radius:7px}
.mc-main-nav a[aria-current],.mc-main-nav a:hover {background:var(--mc-sage)}
.mc-back {color:var(--mc-muted);font:400 13px/1.5 var(--ls-sans);text-decoration:none;border-left:1px solid var(--mc-line);padding-left:22px;white-space:nowrap}
.mc-resource-nav {display:block;background:#fff;border-bottom:1px solid var(--mc-line);margin:0}
.mc-resource-inner {display:flex;align-items:center;justify-content:flex-start;gap:6px;max-width:1160px;margin:auto;padding:9px 24px;overflow-x:auto}
.mc-resource-nav a {display:block;flex:none;padding:8px 16px;text-decoration:none;font-size:14px;font-weight:500;color:var(--mc-muted);border-radius:6px}
.mc-resource-nav a[aria-current] {background:var(--mc-forest);color:#fff}
.mc-resource-nav a:hover:not([aria-current]) {background:var(--mc-sage);color:var(--mc-ink)}

/* Compact covers leave the main part of the page for learning. */
.mc-inner .mc-hero {padding:0;background:var(--mc-paper);border-bottom:1px solid var(--mc-line)}
.mc-hero-inner {display:grid;grid-template-columns:minmax(0,1.45fr) minmax(240px,1fr);gap:48px;align-items:center;padding-top:30px;padding-bottom:30px}
.mc-inner .mc-hero h1 {font:700 clamp(30px,3.5vw,44px)/1.25 var(--ls-sans);margin:12px 0;color:var(--mc-ink)}
.mc-hero .mc-breadcrumb {display:flex;gap:10px;align-items:center;font-size:12px;margin:0;color:var(--mc-muted)}
.mc-breadcrumb a {color:inherit;text-decoration:none}
.mc-hero .mc-hero-lead {font-size:19px;font-weight:500;margin:0 0 12px;color:var(--mc-ink)!important}
.mc-hero .hero-facts {font-size:13px;line-height:1.9;margin:0;max-width:600px}
.mc-hero .hero-buttons {margin-top:18px;gap:10px}
.mc-hero .hero-buttons:empty {display:none}
.mc-hero-art {position:relative;margin:0;align-self:stretch;min-height:230px;max-height:290px;border-radius:12px;overflow:hidden;background:var(--mc-sage)}
.mc-hero-art img {width:100%;height:100%;position:absolute;object-fit:cover;display:block}
.mc-hero-art figcaption {position:absolute;right:10px;bottom:8px;padding:3px 7px;font-size:10px;color:#fff;background:#23472ed9;border-radius:3px}
.hanzi-page .mc-hero-art {background:transparent;min-height:200px;max-height:230px}
.hanzi-page .mc-hero-art img {object-fit:contain}
.mc-inner.learning-page .learning-content {padding-top:26px;padding-bottom:56px}
.mc-inner .learning-content>section {scroll-margin-top:20px}

/* A native disclosure keeps the whole syllabus accessible on small screens. */
.mc-inner .syllabus {margin:0 0 22px;padding:0;border:0}
.mc-course-outline {border:1px solid var(--mc-line);border-radius:10px;background:#fff;overflow:hidden}
.mc-course-outline>summary {display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;list-style:none;padding:18px 22px;background:var(--mc-sage)}
.mc-course-outline>summary::-webkit-details-marker {display:none}
.mc-course-outline>summary strong {font-size:18px;display:block}
.mc-course-outline>summary small {font-size:12px;font-weight:400;color:var(--mc-muted);display:block;margin-top:4px}
.mc-outline-action {font-size:12px;white-space:nowrap;color:var(--mc-forest)}
.mc-outline-action::after {content:'⌄';display:inline-block;margin-left:14px;font-size:20px}
.mc-course-outline[open] .mc-outline-action::after {transform:rotate(180deg)}
.mc-outline-content {padding:8px 22px 18px}
.mc-inner .mc-outline-content .section-intro {margin:14px 0}
.mc-inner .mc-outline-content h2 {font-size:19px}
.mc-inner .mc-outline-content .calendar-link {margin:0}
.mc-inner .syllabus-table {border-radius:0!important;box-shadow:none}
.mc-inner .syllabus-table th {background:var(--mc-sage);color:var(--mc-ink)}
.mc-inner .syllabus-table tr.is-trial {background:var(--mc-blush)}
.mc-inner .syllabus-table .row-link {color:var(--mc-forest)}
.mc-inner .table-scroll {max-width:100%;overflow:auto}
.mc-inner .lesson-panel-card {padding:28px;background:#fff}
.mc-inner .panel-heading {gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--mc-line);padding-bottom:16px;margin-bottom:18px}
.mc-inner .lesson-label {color:var(--mc-forest);font-size:15px;letter-spacing:0;font-weight:600}
.mc-inner .panel-buttons {display:flex;gap:8px;flex-wrap:wrap}
.mc-inner .lesson-panel-card h2 {color:var(--mc-ink);font-size:27px;margin:12px 0 22px}
.mc-inner .flow-steps {gap:8px;margin:0 0 22px;padding:12px;background:var(--mc-sage);border-radius:9px;display:flex;flex-wrap:wrap}
.mc-inner .flow-steps button {border-radius:6px;box-shadow:none;min-height:44px}
.mc-inner .flow-steps button[aria-current=step],.mc-inner .flow-steps button[aria-pressed=true] {background:var(--mc-forest);color:white;border-color:var(--mc-forest)}
.mc-inner .flow-stage {border-color:var(--mc-line);border-radius:10px;background:#fff}
.mc-inner .flow-nav {border-top:1px solid var(--mc-line);padding-top:18px;margin-top:20px}
.mc-inner .parents-section {background:var(--mc-sage)}
.mc-inner .resource-section {border-color:var(--mc-line)}
.mc-inner .section-intro h2,.mc-inner .parents-section h2 {font-size:25px;color:var(--mc-ink)}
.mc-inner .practice-modes button {box-shadow:none;background:var(--mc-sage);border-color:transparent;color:var(--mc-ink)}
.mc-inner .practice-modes button[aria-pressed=true] {background:var(--mc-forest);color:#fff}
.mc-inner .jj-books {gap:18px}
.mc-inner .jj-book {border:1px solid var(--mc-line);border-radius:12px;background:#fff;box-shadow:none}
.mc-inner .jj-book:nth-child(even) {background:var(--mc-blush)}
.mc-inner .jj-book-icon {border-radius:8px;background:var(--mc-sage);color:var(--mc-forest)}

/* Library filters and selection are deliberately stronger than decoration. */
.mc-inner .hz-class-tabs {display:flex;gap:12px;border:0;margin:0 0 22px;padding:0}
.mc-inner .hz-class-tabs button {flex:1;padding:15px 20px;border:1px solid var(--mc-line);border-radius:8px!important;background:#fff;font-size:19px;color:var(--mc-ink)}
.mc-inner .hz-class-tabs button[aria-selected=true] {background:var(--mc-forest);color:#fff;border-color:var(--mc-forest)}
.mc-inner .hz-toolbar {margin:0 0 14px;padding:18px;background:#fff;border:1px solid var(--mc-line);border-radius:10px}
.mc-inner .hz-filters button {background:var(--mc-sage);color:var(--mc-ink)}
.mc-inner .hz-filters button[aria-pressed=true] {background:var(--mc-forest);color:#fff}
.mc-inner .hz-howto {font-size:13px;line-height:1.7;margin:0 0 20px;color:var(--mc-muted)}
.mc-inner .hz-grid {grid-template-columns:repeat(auto-fill,minmax(175px,1fr));gap:18px}
.mc-inner .hz-tile {border-width:1px}
.mc-inner .hz-tile.is-picked {border-color:var(--mc-forest)!important;box-shadow:0 0 0 2px var(--mc-forest)}
.mc-inner .hz-open {padding-bottom:14px}
.mc-inner .hz-open b {margin-top:12px}
.mc-inner .hz-pick {background:var(--mc-sage);min-height:42px}
.mc-inner .hz-pick[aria-pressed=true] {background:var(--mc-forest);color:#fff}
.mc-inner .hz-plan {background:var(--mc-sage);border-radius:0!important;box-shadow:0 -5px 20px #183b2c12;padding-bottom:max(12px,env(safe-area-inset-bottom))}
.mc-inner.has-plan {padding-bottom:140px}
.mc-inner dialog {box-sizing:border-box;border-radius:12px!important;border-color:var(--mc-line);box-shadow:0 18px 60px #183b2c25}
.mc-inner dialog::backdrop {background:#183b2c88}

/* Connected pinyin, stroke and textbook workspaces keep their own layouts. */
.mc-inner .ls-banner {background:var(--mc-sage)!important}
.mc-inner .ls-banner::after {display:none}
.mc-inner :is(.foundation-primary,.pinyin-main-tabs,.pinyin-learning-tabs) {background:transparent;border-color:var(--mc-line);box-shadow:none}
.mc-inner :is(.foundation-primary a,.pinyin-main-tabs button,.pinyin-learning-tabs button,.pinyin-book-buttons button,.lesson-context-nav a,.lesson-context-nav button) {border-radius:7px!important;box-shadow:none}
.mc-inner :is(.foundation-primary a[aria-current=page],.pinyin-main-tabs button[aria-pressed=true],.pinyin-learning-tabs button[aria-pressed=true],.pinyin-book-buttons button[aria-pressed=true]) {background:var(--mc-forest)!important;color:#fff!important;border-color:var(--mc-forest)!important}
body.mc-inner.lesson-workspace-page .lesson-workspace-nav button {border-radius:7px!important;background:var(--mc-sage)!important;color:var(--mc-ink)!important}
body.mc-inner.lesson-workspace-page .lesson-workspace-nav button[data-workspace-tab=words],body.mc-inner.lesson-workspace-page .lesson-workspace-nav button[data-workspace-tab=practice] {background:var(--mc-blush)!important}
body.mc-inner.lesson-workspace-page .lesson-workspace-nav button[aria-selected=true] {background:var(--mc-forest)!important;color:#fff!important}
body.mc-inner.lesson-workspace-page :is(.lesson-workspace-content,.lesson-workspace-footer,.reader-toolbar,.lesson-sidebar) {border-radius:10px!important;border-color:var(--mc-line)!important;box-shadow:none!important}
body.mc-inner.lesson-workspace-page .lesson-inline-reader .paragraph {background:var(--mc-sage)!important;border-radius:9px!important}
body.mc-inner.lesson-workspace-page .lesson-inline-reader .paragraph:nth-child(even) {background:var(--mc-blush)!important}
.mc-inner .ls-footer::before {display:none}
.mc-inner .ls-footer-bottom {padding:26px 24px;color:var(--mc-muted);font-size:12px}
.mc-inner :is(.pinyin-heading h1,.review-heading h1,.foundation-heading h1) {font-family:var(--ls-sans)!important;color:var(--mc-ink)}

@media(max-width:900px) {
  .mc-header-inner {padding:16px 24px;gap:18px}
  .mc-back {display:none}
  .mc-hero-inner {gap:24px;grid-template-columns:minmax(0,1.4fr) minmax(210px,1fr)}
  .mc-hero-art {min-height:210px}
}
@media(max-width:600px) {
  .mc-header-inner {flex-wrap:wrap;gap:14px;padding:16px 20px 10px}
  .mc-brand strong {font-size:22px}
  .mc-brand span {font-size:13px}
  .mc-main-nav {margin:0;width:100%;justify-content:space-between;gap:0}
  .mc-main-nav a {font-size:13px;padding:9px 10px}
  .mc-resource-inner {padding:7px 12px;gap:2px;flex-wrap:wrap}
  .mc-resource-nav a {font-size:12px;padding:8px}
  .mc-hero-inner {grid-template-columns:minmax(0,1fr);gap:20px;padding-top:24px;padding-bottom:24px}
  .mc-hero-art {height:170px;min-height:0;max-height:none}
  .mc-hero-art img {object-position:center 43%}
  .hanzi-page .mc-hero-art {display:none}
  .mc-hero .mc-hero-lead {font-size:17px}
  .mc-hero .hero-facts {font-size:12px}
  .mc-inner.learning-page .learning-content {padding-top:20px}
  .mc-course-outline>summary {padding:15px;gap:10px}
  .mc-course-outline>summary strong {font-size:17px}
  .mc-outline-action {font-size:11px}
  .mc-outline-action::after {margin-left:5px}
  .mc-outline-content {padding:4px 12px 12px}
  .mc-outline-content .section-intro {display:grid;gap:12px}
  .mc-inner .lesson-panel-card {padding:16px}
  .mc-inner .lesson-panel-card h2 {font-size:23px}
  .mc-inner .panel-heading {display:grid;gap:10px}
  .mc-inner .panel-buttons {gap:6px}
  .mc-inner .panel-buttons>* {font-size:12px;padding:8px 10px}
  .mc-inner .flow-steps {gap:6px;padding:8px}
  .mc-inner .flow-steps button {font-size:13px;padding:9px 10px}
  .mc-inner .flow-stage {padding:10px;min-width:0}
  .mc-inner .hz-grid {grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
  .mc-inner .hz-open b {font-size:44px}
  .mc-inner .hz-toolbar {padding:12px}
  .mc-inner .hz-filters {gap:6px}
  .mc-inner .hz-filters button {font-size:12px;padding:8px 10px}
  .mc-inner .hz-class-tabs button {font-size:17px;padding:12px}
  .mc-inner .hz-plan-actions {gap:6px}
  .mc-inner .hz-plan-actions>* {font-size:12px;padding:8px 10px}
  .mc-inner .ls-footer-bottom {display:grid;gap:10px}
}
/* New navigation must also disappear when the teacher starts projecting. */
body.mc-inner.classroom>.mc-header,body.mc-inner.classroom>.mc-resource-nav {display:none!important}
body.mc-inner.classroom .mc-hero,body.mc-inner.classroom #syllabus {display:none!important}
@media print {
  .mc-header,.mc-resource-nav,.mc-hero,.mc-course-outline {display:none!important}
}
@media(prefers-reduced-motion:reduce) {html{scroll-behavior:auto}}
.mc-main-nav .nav-enquiry{background:var(--mc-forest);color:#fff}
.hz-browser-heading{margin-bottom:22px}
.hz-browser-heading h2{margin:0 0 8px;color:var(--mc-ink);font-size:28px}
.hz-browser-heading p{margin:0;color:#526258}
.mc-brand{flex-direction:row;align-items:center;gap:12px}
.mc-brand .brand-crest{width:60px;height:60px;flex:none;object-fit:contain}
.mc-brand .brand-text{display:flex;flex-direction:column}
.mc-header-inner{gap:18px;max-width:1360px}
.mc-main-nav{gap:3px}
.mc-main-nav a{padding-inline:10px}
@media(max-width:1100px){.mc-header-inner{flex-wrap:wrap}.mc-main-nav{order:3;width:100%;justify-content:center;margin:0}.mc-back{margin-left:auto}}
@media(max-width:700px){.mc-brand .brand-crest{width:48px;height:48px}.mc-brand strong{font-size:21px}.mc-main-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px}.mc-main-nav a{text-align:center}.mc-main-nav .nav-enquiry{margin-left:0}}
#character-browser{scroll-margin-top:24px}
.mc-main-nav .nav-enquiry:hover{background:#23472e;color:#fff}
@media(max-width:700px){.mc-main-nav{flex-wrap:wrap;gap:3px;justify-content:flex-start}.mc-main-nav a{font-size:12px;padding:8px 6px}.mc-main-nav .nav-enquiry{margin-left:auto}}

/* 课堂页四个标签：课程目录 / 本节课 / 游戏 / 在家复习（lesson-tabs.js） */
.lc-tabs{position:sticky;top:0;z-index:20;display:flex;gap:6px;margin:0 0 22px;padding:8px;background:#fff;border:1px solid var(--mc-line);border-radius:14px;box-shadow:0 4px 14px rgba(24,59,44,.06);overflow-x:auto;scrollbar-width:none}
.lc-tabs::-webkit-scrollbar{display:none}
.lc-tabs button{flex:1 0 auto;min-height:44px;padding:0 18px;border:0;border-radius:10px;background:transparent;color:var(--mc-muted);font:inherit;font-size:16px;font-weight:600;cursor:pointer;white-space:nowrap}
.lc-tabs button:hover{background:var(--mc-sage);color:var(--mc-ink)}
.lc-tabs button[aria-selected="true"]{background:var(--mc-forest);color:#fff}
.lc-tabs button:focus-visible{outline:3px solid #e8a3a6;outline-offset:2px}
.lc-panel[hidden]{display:none!important}
.lc-panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:0 0 6px}
.lc-panel-head h2{margin:0}
.lc-panel-note{margin:0 0 18px;color:var(--mc-muted);font-size:14px}
.lc-panel-note:empty{display:none}
.mc-inner .lc-panel.syllabus{margin:0 0 22px}

/* 课程目录：每节课一张卡，写清楚这节课学什么 */
.lc-outline{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.lc-card{display:flex;flex-direction:column;gap:10px;padding:18px 20px;border:1px solid var(--mc-line);border-radius:14px;background:#fff}
.lc-card header{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px}
.lc-num{font-weight:700;color:var(--mc-forest)}
.lc-date{color:var(--mc-ink)}
.lc-book{margin-left:auto;color:var(--mc-muted);font-size:13px}
.lc-card h3{margin:0;font-size:19px;line-height:1.4;color:var(--mc-ink)}
.lc-card dl{display:grid;gap:7px;margin:0}
.lc-card dl>div{display:grid;grid-template-columns:4.2em 1fr;gap:8px;align-items:baseline}
.lc-card dt{color:var(--mc-muted);font-size:13px}
.lc-card dd{margin:0;font-size:15px;line-height:1.6;color:var(--mc-ink)}
.lc-card dd.lc-chars{font-size:18px;letter-spacing:.06em}
.lc-texts span,.lc-py{display:block}
.lc-py small{color:var(--mc-muted);font-size:12px;margin-right:4px}
.lc-go{align-self:flex-start;margin-top:auto;min-height:40px;padding:0 16px;border:1px solid var(--mc-forest);border-radius:999px;background:#fff;color:var(--mc-forest);font:inherit;font-weight:600;cursor:pointer}
.lc-go:hover,.lc-go:focus-visible{background:var(--mc-forest);color:#fff}
.lc-card.is-current{border-color:var(--mc-forest);box-shadow:0 0 0 2px rgba(49,91,60,.15)}
.lc-card.is-past{background:#fbfbf9}
.lc-card.is-past h3,.lc-card.is-past dd{color:#4c5a51}
.lc-card.is-trial{background:var(--mc-blush);border-style:dashed}
.lc-remark{margin:0;font-size:15px;line-height:1.6}
.lc-card .day-tag{border-radius:999px;padding:1px 9px;color:#fff;font-size:12px}

/* 在家复习 */
.parent-note{margin:14px 0 0;padding-left:1.2em;color:var(--mc-muted)}

/* 投屏上课：只留本节课和游戏 */
.classroom .lc-tabs [data-tab="outline"],.classroom .lc-tabs [data-tab="home"],.classroom .lc-tabs [data-tab="books"]{display:none}
.classroom .lc-tabs{position:static}
@media(max-width:560px){.lc-tabs{margin-inline:-4px;padding:6px}.lc-tabs button{padding:0 12px;font-size:15px}.lc-outline{grid-template-columns:1fr}.lc-card{padding:16px}}
.lc-trials{grid-column:1/-1;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}
.lc-trials:empty{display:none}
.lc-trial{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 10px;padding:12px 16px;border:1px dashed #e2c7c4;border-radius:12px;background:var(--mc-blush);font-size:14px}
.lc-trial .lc-remark{flex-basis:100%;font-size:14px;color:var(--mc-ink)}
.lc-trial.is-past{opacity:.7}
.lc-combo{display:inline-block;margin-right:1em;white-space:nowrap}