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20px;border-radius:5px;font-size:12px;z-index:99;transition:.2s;max-width:90vw;text-align:center}#toast.visible{opacity:1;transform:translate(-50%,0)}@keyframes blink{50%{opacity:0}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important;transition:none!important}}
@media(min-width:1600px){.map-inner{padding-right:122px}.map{background-size:100% auto}.lesson-card{aspect-ratio:1/1}}
@media(max-width:1250px){.nav-inner,.panel-page{margin-left:30px;margin-right:30px}.map-inner{margin:0 30px;padding-right:95px}.map-rail{right:46px;margin:0}.lesson-grid{gap:16px}.card-label{font-size:11px}.card-number{font-size:25px}.card-picture>.icon{width:62px;height:62px}.card-keys{font-size:26px}.map-search{width:140px}}
@media(max-width:1000px){.map-inner{padding-right:65px}.map-rail{right:32px}.lesson-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.nav-inner{gap:22px}.nav-links,.nav-account{gap:19px}.badge-grid{grid-template-columns:repeat(3,1fr)}.stat-box{padding:18px 13px;gap:10px}.stat-box strong{font-size:23px}.stat-box>.icon{width:28px;height:28px}.stats-columns{grid-template-columns:1fr}.keyboard-zone{margin-top:25px}.hand-strip{height:62px}.lesson-bottom{margin-top:26px}.practice-wrap{margin-top:25px}}
@media(max-width:760px){.nav-inner{margin:0 18px;gap:20px}.brand{font-size:20px}.nav-links,.nav-account{gap:18px}.nav-links>button{display:none}.nav-account .avatar-dot{display:none}.nav-account .avatar{max-width:62px;overflow:hidden}.nav-links>a,.nav-account>button{font-size:12px}.map-inner{margin:0 18px;padding-right:45px}.map-rail{right:19px}.map-rail button{width:29px;height:29px}.rail-track{height:180px;width:10px}.rail-track span{transform:translateX(-7px)}.lesson-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.card-number{font-size:22px}.card-lock .icon{width:15px;height:17px}.card-picture>.icon{width:53px;height:53px}.card-keys{font-size:23px}.card-keys svg{width:52px;height:30px;margin-top:5px}.card-keys.magnify{width:45px;height:45px;font-size:19px;border-width:3px}.card-keys.magnify:after{height:23px;left:-6px;bottom:-15px;width:3px}.card-label{height:25px;font-size:10px}.card-stars{bottom:28px;font-size:10px}.map-toolbar{flex-wrap:wrap;margin-bottom:21px}.map-search{width:130px}.progress-pill{padding:7px 10px;font-size:11px}.section-title{font-size:22px}.section-title small{font-size:10px}.course-section{padding-left:2px;padding-right:2px}.panel-page{margin:23px 18px}.stat-grid{grid-template-columns:repeat(2,1fr);gap:10px}.badge-grid{grid-template-columns:repeat(2,1fr)}.page-heading h1{font-size:23px}.page-heading .btn{font-size:11px;padding:8px}.practice-wrap{padding:0 20px}.typing-paper{font-size:26px;max-height:165px}.typing-paper.chinese{letter-spacing:1px}.lesson-hud{gap:18px;margin-top:15px}.lesson-hud strong{font-size:19px}.keyboard-zone{padding:0 10px;margin-top:26px}.keyboard{padding:8px 7px 10px;border-radius:9px}.key-row{gap:3px}.key{height:35px;font-size:12px}.key.wide,.key.wider,.key.small{font-size:8px}.key.next{box-shadow:0 0 0 3px #98c4ea30}.finger-legend{font-size:11px}.hand-strip{height:55px;transform:scale(.8);margin-top:4px}.lesson-bottom{margin-top:12px;gap:15px;padding:20px 15px 27px}.lesson-bottom .btn{min-width:75px;padding:8px 11px;font-size:11px}.lesson-tools{gap:18px}.lesson-top{padding:0 12px}.game-wrap{padding:0 15px}.game-world{height:410px}.game-target{font-size:23px}.game-center h1{font-size:25px}.game-center p{padding:0 20px}.game-footer{font-size:10px}.result-card{margin:35px 20px;padding:26px 18px}.result-metrics strong{font-size:25px}.result-stars{font-size:35px}.intro-area{margin-top:40px;min-height:225px}.intro-area h1{font-size:25px}.intro-area p{font-size:13px}.intro-symbol{width:75px;height:75px}.chapter-list{grid-template-columns:1fr}.map-pages{left:18px;right:18px;justify-content:space-between}.map-pages button{width:20px;font-size:10px}.white-panel{padding:20px 16px}}
@media(max-width:480px){.nav-inner{gap:17px;margin:0 13px}.nav-links{gap:15px}.nav-account{gap:12px}.nav-account>button[data-action="save"]{display:none}.brand{font-size:18px}.nav-links>a,.nav-account>button{font-size:11px}.map-inner{margin:0 13px;padding-right:36px}.map-rail{right:12px}.lesson-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.card-picture>.icon{width:55px;height:55px}.card-label{height:26px}.section-title small{display:none}.toolbar-right{width:100%;justify-content:space-between}.map-search{flex:1}.progress-pill{width:100%;text-align:center}.section-title{margin-bottom:15px}.course-section{padding-bottom:28px}.map-rail{top:38%}.badge{padding:20px 10px}.white-panel .button-row{justify-content:flex-start}.hud-item{min-width:56px}.lesson-hud{gap:8px}.lesson-hud strong{font-size:18px}.key{height:29px;font-size:10px}.key-row{gap:2px}.key.wide,.key.wider{font-size:6px}.keyboard-zone{padding:0 6px}.keyboard{padding:5px}.practice-wrap{margin-top:22px}.typing-paper{font-size:25px;min-height:120px;max-height:160px}.finger-legend{font-size:10px}.game-world{height:390px}.game-footer span{max-width:66%;line-height:1.6}.intro-area{margin-top:33px;min-height:225px}.intro-area h1{font-size:23px}.lesson-top .lesson-name{font-size:10px}.lesson-tools{gap:10px}.game-score{gap:12px;left:14px}.result-card h1{font-size:25px}.map-pages button{width:18px}.page-heading{align-items:flex-start;gap:10px}}
.nav-links>a{display:flex;align-items:center}
.report-top{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:25px}.report-top .panel-title{margin:0}.range-tabs{display:flex;background:#eef0f2;border-radius:4px;overflow:hidden}.range-tabs button{background:none;border:0;padding:8px 16px;font-size:12px;color:#919da6;white-space:nowrap}.range-tabs button.active{background:white;box-shadow:0 0 0 1px #d7dfe4 inset;color:#6e8696}.report-row{display:grid;grid-template-columns:31% 1fr;gap:40px;padding:25px 0;border-bottom:1px solid #edf0f2}.report-row:last-child{border:0}.report-metric h3{font-size:19px;font-weight:400;margin:0 0 24px}.report-metric>strong{font-size:32px;font-weight:400;display:block;color:#657782}.report-metric>strong small{font-size:14px}.report-metric dl{font-size:12px;margin:20px 0 0;color:#9aa5ad}.report-metric dl div{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #e9edef}.report-metric dd{color:#748c9d;margin:0}.report-comparison{display:flex;flex-direction:column;justify-content:center;gap:18px}.stacked-bar,.single-bar{height:48px;background:#edf0f2;display:flex;position:relative;border-radius:2px;overflow:hidden}.stacked-bar label,.single-bar label{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 13px;font-size:12px;color:#607b8c}.stacked-bar label b,.single-bar label b{font-weight:400}.pass{background:#80d9e8}.partial{background:repeating-linear-gradient(45deg,#cbd3da 0 3px,#f3f5f6 3px 6px)}.fail{background:#e390aa}.single-bar>span{background:#9cdaeb}.chart-legend{display:flex;gap:20px;justify-content:flex-end;font-size:11px;color:#8d9ca5}.chart-legend>span{display:flex;align-items:center;gap:6px}.chart-legend i{width:14px;height:14px;border-radius:2px}.coverage-keys{display:grid;grid-template-columns:repeat(12,1fr);gap:5px}.coverage-keys>span{display:grid;place-items:center;border-radius:3px;background:#eef1f3;color:#b5bec5;height:31px;font-size:13px;font-family:Consolas,monospace}.coverage-keys>span.covered{background:#9edbe3;color:#3d8b96}.calendar-scroll{overflow:auto}.calendar-months{display:flex;justify-content:space-around;padding:0 12px 12px 25px;font-size:11px;color:#9ca9b1;min-width:750px}.calendar-layout{display:flex;gap:10px;min-width:750px}.calendar-days{display:grid;grid-template-rows:repeat(7,13px);gap:4px;font-size:9px;color:#a4b0b9}.calendar-grid{display:grid;grid-template-rows:repeat(7,13px);grid-auto-flow:column;grid-auto-columns:minmax(13px,1fr);gap:4px;flex:1}.calendar-cell{width:100%;height:13px;display:inline-block;border:0;border-radius:2px;min-width:10px}.calendar-cell.blank{background:none}.calendar-cell.level-0{background:#edf0f2}.calendar-cell.level-1{background:#d5eac8}.calendar-cell.level-2{background:#a8d79b}.calendar-cell.level-3{background:#78b980}.calendar-cell.level-4{background:#4d9867}.calendar-caption{font-size:10px;color:#a2afb7;display:flex;justify-content:space-between;gap:10px;margin-top:18px;line-height:1.8}.calendar-caption>span:last-child{display:flex;align-items:center;gap:4px;white-space:nowrap}.calendar-caption i{width:11px;height:11px}.report-top select{border:1px solid #dae3e8;color:#8699a6;font-size:11px;padding:5px;background:#fff;border-radius:3px}.punch-scroll{overflow:auto}.punchcard{display:grid;grid-template-columns:55px repeat(24,1fr);min-width:720px;align-items:center;gap:5px}.punch-hour{text-align:center;font-size:10px;color:#a6b1b8}.punch-label{font-size:10px;color:#9daab3}.punch-slot{height:26px;display:grid;place-items:center}.punch-slot i{display:block;border-radius:50%;background:#63b4c9}.detailed-report{padding:25px 30px}
@media(max-width:760px){.report-top{flex-wrap:wrap;gap:15px}.report-row{grid-template-columns:1fr;gap:20px}.report-metric h3{margin-bottom:15px}.report-metric dl{margin-top:13px}.report-metric>strong{font-size:27px}.range-tabs{width:100%}.range-tabs button{flex:1;padding:8px 6px;font-size:10px}.report-comparison{gap:12px}.report-comparison>p{line-height:1.8}.detailed-report{padding:20px 16px}.calendar-caption{flex-direction:column}.coverage-keys{grid-template-columns:repeat(10,1fr)}}

.lesson-view{--lesson-bg:#fff;--lesson-ink:#7a858c;--lesson-muted:#9aa5ac;background:var(--lesson-bg)!important;color:var(--lesson-ink)}
.lesson-view[data-theme=ocean]{--lesson-bg:#ecf7fd;--lesson-ink:#446d85;--lesson-muted:#6d8fa3}
.lesson-view[data-theme=forest]{--lesson-bg:#eff5ec;--lesson-ink:#526f53;--lesson-muted:#84957d}
.lesson-view[data-theme=sunrise]{--lesson-bg:#fff3e6;--lesson-ink:#946f51;--lesson-muted:#ae967b}
.lesson-view[data-theme=lavender]{--lesson-bg:#f3effb;--lesson-ink:#75638b;--lesson-muted:#9a8ca9}
.lesson-view[data-theme=rose]{--lesson-bg:#fff0f1;--lesson-ink:#956c78;--lesson-muted:#b297a0}
.lesson-view[data-theme=midnight]{--lesson-bg:#202934;--lesson-ink:#d2dce5;--lesson-muted:#9bacbc}
.lesson-view[data-theme=space]{--lesson-bg:#24233b;--lesson-ink:#dad6ed;--lesson-muted:#a6a0c2}
.lesson-view[data-theme=terminal]{--lesson-bg:#182b28;--lesson-ink:#c1dfc8;--lesson-muted:#7fa78b}
.lesson-view[data-theme=cream]{--lesson-bg:#f8f3df;--lesson-ink:#8a8062;--lesson-muted:#a39b7f}
.lesson-view[data-theme=slate]{--lesson-bg:#e4e9ec;--lesson-ink:#5e717f;--lesson-muted:#8596a0}
.lesson-view[data-theme=mint]{--lesson-bg:#eafaf6;--lesson-ink:#538a7a;--lesson-muted:#7ca799}
.lesson-view .typing-paper{color:var(--lesson-muted)}
.lesson-view[data-font=sans] .typing-paper{font-family:Arial,"Microsoft YaHei",sans-serif}
.lesson-view[data-font=serif] .typing-paper{font-family:Georgia,"SimSun",serif}
.lesson-view.readable .typing-paper{letter-spacing:3px;line-height:2.15}
.lesson-view.hide-live .lesson-hud .hud-item:nth-child(-n+2){visibility:hidden}
.pinyin-paper{max-height:265px;line-height:1.2;white-space:normal;overflow-wrap:normal;min-height:165px;padding-bottom:14px}
.pinyin-unit{display:inline-flex;vertical-align:bottom;flex-direction:column;align-items:center;margin:0 8px 20px 0;min-width:22px;line-height:1.3;white-space:pre;letter-spacing:0}
.pinyin-unit .han{font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:.91em;line-height:1.4;color:var(--lesson-muted);padding:2px 8px;font-weight:300}
.pinyin-unit .syllable{font-family:Consolas,"Courier New",monospace;font-size:.85em;line-height:1.6}
.pinyin-unit.active .han{background:#e8edf180;border-radius:4px;color:var(--lesson-ink)}
.pinyin-unit.done .han{color:#6cb699}.pinyin-unit.line-end{margin-right:0;min-width:20px}
.input-instructions{font-size:11px;color:var(--lesson-muted);line-height:1.8;margin:5px 0 0;text-align:center}
.rhythm-slow{background:#f8e9b5;color:#a38c47!important}.rhythm-steady{background:#d8f1e133}
.key-guide{max-width:800px;text-align:center;margin:65px auto 0;padding:0 24px;min-height:230px}
.key-guide>span{font-size:12px;letter-spacing:2px;color:var(--lesson-muted)}
.key-guide h1{font-size:30px;font-weight:400;margin:25px 0 22px}
.key-guide kbd{font:inherit;padding:7px 20px;background:#6b9bd3;color:white;border-radius:7px;box-shadow:0 4px #416994;margin:0 8px}
.key-guide p{font-size:14px;color:var(--lesson-muted);line-height:1.8}.key-guide small{display:block;font-size:11px;margin:18px;color:var(--lesson-muted)}
.guided-paper{white-space:nowrap;max-height:155px;min-height:145px;overflow:auto;padding:25px 0 16px;scrollbar-width:none;display:flex;align-items:center;gap:12px}
.letter-card{display:inline-grid;place-items:center;border:1px solid #d2d8dd;background:#f8f9fa;border-radius:5px;min-width:78px;height:86px;font-size:52px;flex-shrink:0;box-shadow:0 3px #e5e8eb}
.letter-card .char{padding:0 10px;line-height:1.2}.letter-card:has(.current){background:#e5eef9;border-color:#9bb9d9}.letter-card.past{opacity:.55}
.guided-success{background:#445f84!important;min-height:100vh;color:white}.guided-success .lesson-top{background:white}.guided-success .result-card{margin-top:13vh;background:none;border:0;box-shadow:none;color:white}.guided-success .result-card>p{color:#d8e5f4}.guided-success .result-symbol{width:150px;height:150px;margin:0 auto 35px;border-radius:50%;background:#70d89b;border:8px solid #e6f4f6;box-shadow:0 0 0 12px #b2c5dc,0 0 0 21px #7990ae;display:grid;place-items:center}.guided-success .result-symbol .icon{width:83px;height:83px;color:white;stroke-width:4}.guided-success .result-badge{color:#e9f5ff;background:#ffffff19}.guided-success .button-row{margin-top:36px}
.lesson-view[data-hands=left] .hand.right,.lesson-view[data-hands=right] .hand.left{display:none}
.lesson-view[data-keyboard=glass] .keyboard{background:#c3ddef44;border-color:#c9dce6;box-shadow:0 8px 25px #4e789020}
.lesson-view[data-keyboard=glass] .key{background:#ffffff88;border-color:#c6dfed;border-radius:9px}
.lesson-view[data-keyboard=sketch] .keyboard{background:#fffbef;border:2px dashed #a9a99d}
.lesson-view[data-keyboard=sketch] .key{border:1.5px solid #a6a79a;border-radius:8px 3px 9px 5px;background:#fffdf5;box-shadow:1px 2px #d7d5c3}
.lesson-view[data-keyboard=rounded] .keyboard{background:#e5e6fa;border-radius:25px}.lesson-view[data-keyboard=rounded] .key{border-radius:13px;background:#fcfbff;border-color:#ced0e5}
.lesson-view[data-keyboard=marble] .keyboard{background:repeating-linear-gradient(135deg,#f1efed 0 15px,#d8d8d6 16px,#f6f5f4 18px 55px);border-color:#c6c4c0}.lesson-view[data-keyboard=marble] .key{background:#ffffffdf;box-shadow:0 3px #bcb9b4;color:#82817f}
.lesson-view[data-keyboard=classic] .keyboard{background:#7f7770;border-color:#766d66}.lesson-view[data-keyboard=classic] .key{background:#ebe6d9;border-color:#a89c8d;box-shadow:0 3px #b4a996;color:#7b7064}
.lesson-view[data-keyboard=modern] .keyboard{background:#253448;border-color:#192331;box-shadow:0 3px #152234}.lesson-view[data-keyboard=modern] .key{background:#394c66;border-color:#52637b;color:#d1dce9;box-shadow:0 2px #192d47}
.lesson-view[data-keyboard=colorful] .key:nth-child(5n+1){background:#f9e0da}.lesson-view[data-keyboard=colorful] .key:nth-child(5n+2){background:#f7edc6}.lesson-view[data-keyboard=colorful] .key:nth-child(5n+3){background:#dcebd6}.lesson-view[data-keyboard=colorful] .key:nth-child(5n+4){background:#d8e9f4}.lesson-view[data-keyboard=colorful] .key:nth-child(5n){background:#e7dff4}
.lesson-view .keyboard .key.next{background:#5395cf;color:#fff;border-color:#4d8dc7}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 32px}.settings-grid h3{font-size:14px;font-weight:500;margin:18px 0 5px;color:#648498}.settings-grid .form-row{font-size:12px;gap:12px}.settings-grid select{max-width:175px}.settings-grid input[type=number]{width:80px}.settings-grid p{line-height:1.8}
dialog:has(.settings-grid){width:800px;max-width:calc(100vw - 32px);max-height:90vh;overflow:auto}
.jump-world{background:linear-gradient(#9bd8eb,#d5f1ee)}.jump-world .game-score{color:#3c7489}.jump-world .game-sky-stars{opacity:.2}.jump-world:after{background:#8bc69d;box-shadow:150px -18px 0 #b1d7ac,500px -8px 0 #9dccb2}
.jump-cloud{position:absolute;width:130px;height:25px;border-radius:50%;background:#ffffffa0;top:26%;left:10%;box-shadow:32px -12px 0 3px #ffffffa0,-22px 5px 0 #ffffff90}.cloud-two{top:13%;left:70%;transform:scale(.7)}
.jump-path{position:absolute;inset:0;display:flex;gap:125px;align-items:center;padding:90px 0 0 20%;pointer-events:none;opacity:.45}.jump-path i{display:block;flex-shrink:0;width:65px;height:80px;border-radius:50% 50% 45% 45%;background:#78a5e5;position:relative}.jump-path i:nth-child(2){background:#dc95c0;transform:translateY(30px)}.jump-path i:nth-child(3){background:#e0bc65;transform:translateY(-20px)}.jump-path i:nth-child(4){background:#8cbf8b}.jump-path i:after{content:"";position:absolute;height:120px;left:50%;top:100%;border-left:1px solid #537b8c}
.jump-explorer{position:absolute;top:41%;left:29%;width:42px;height:60px;z-index:4}.jump-explorer b{display:block;background:#4f6887;width:36px;height:36px;border-radius:45%;position:relative;border:4px solid #3e587b}.jump-explorer b:before{content:"";position:absolute;left:3px;right:3px;top:10px;height:9px;background:#f1dec3;border-radius:3px}.jump-explorer b:after{content:"••";position:absolute;left:7px;top:3px;letter-spacing:4px;color:#48617c;font-size:14px}.jump-explorer i{display:block;width:28px;height:30px;background:#557394;border-radius:5px 5px 13px 13px;margin-left:4px;border-bottom:6px solid #3d5878}.jump-explorer:after{content:"";position:absolute;top:5px;left:-20px;width:22px;border-top:8px solid #cf7d66;transform:rotate(-10deg)}
@media(max-width:760px){.settings-grid{grid-template-columns:1fr;gap:0}.pinyin-paper{max-height:240px}.pinyin-unit{margin-right:6px;margin-bottom:16px}.key-guide{margin-top:40px;min-height:220px}.key-guide h1{font-size:25px}.key-guide p{font-size:12px}.letter-card{min-width:65px;height:78px;font-size:43px}.guided-success .result-card{margin-top:12vh}.jump-path{gap:70px}.jump-explorer{left:23%}.input-instructions{font-size:10px}}
.dashboard-columns{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:30px;max-width:1050px}.course-tile{background:#fff;border:1px solid #dde5ea;border-radius:7px;overflow:hidden;align-self:start}.course-cover{background:#80bcd4 url('./assets/landscape.svg') center 20%/cover;text-align:center;padding:38px 25px;color:#395d70;text-shadow:0 1px #ffffff80}.course-cover>span{display:inline-grid;width:80px;height:80px;border-radius:20px;background:#ffffffc0;place-items:center;color:#6e9bb2}.course-cover .icon{width:48px;height:48px}.course-cover h2{font-weight:400;font-size:30px;margin:18px 0 10px}.course-cover p{font-size:13px}.course-tile-body{padding:22px 28px}.course-tile-body>p{color:#9ca9b2;font-size:12px;margin:0 0 24px}.course-tile-stats{display:flex;justify-content:space-between;font-size:12px;color:#8f9ea8;gap:10px}.course-tile-stats b{font-size:20px;color:#6d8ca0;font-weight:400;margin-right:4px}.course-tile progress,.dashboard-goals progress{width:100%;height:8px;accent-color:#74beaa;margin:18px 0}.dashboard-goals h2{font-size:22px;font-weight:400;margin:0 0 30px}.goal-entry{margin-bottom:28px}.goal-entry>span{font-size:13px;display:flex;justify-content:space-between;gap:14px}.goal-entry b{font-size:12px;font-weight:400;color:#8a9ca7}.goal-entry progress{margin:14px 0 0}.dashboard-goals>p{line-height:1.9;margin:25px 0}.dashboard-report-link{display:flex;align-items:center;font-size:12px;color:#649ab9;gap:7px;margin-top:22px}.dashboard-report-link .icon{width:16px}.account-links{display:grid;gap:12px;margin:20px 0 5px}.account-links .btn{text-align:left}.profile-panel{max-width:700px}.profile-panel label{display:block;font-size:13px;color:#8396a3;margin-bottom:12px}.profile-panel input{width:100%}.profile-panel p{line-height:1.9}.catalog-course{display:flex;align-items:center;gap:20px;padding:18px;background:#eef7fb;border-radius:7px}.catalog-course>.icon{width:48px;height:48px;color:#6fa5c2}.catalog-course h3{font-size:19px;font-weight:400;margin:0}.catalog-course p{font-size:12px;line-height:1.8;color:#8b9aa5}
@media(max-width:760px){.dashboard-columns{grid-template-columns:1fr;gap:20px}.course-cover{padding:25px}.course-tile-body{padding:22px}.course-tile-stats b{font-size:18px}}
@media(min-width:761px) and (max-height:850px){.lesson-hud{margin-top:16px}.practice-wrap{margin-top:22px}.typing-paper{min-height:100px;max-height:145px}.typing-paper.pinyin-paper{min-height:125px;max-height:188px}.pinyin-unit{margin-bottom:13px}.input-row{margin-top:9px;min-height:25px}.input-instructions{margin:3px 0}.keyboard-zone{margin-top:22px;max-width:760px}.keyboard{padding:8px 10px}.key{height:36px}.key-row{margin:3px 0}.finger-legend{margin-top:12px}.hand-strip{height:78px;transform:scale(.65);transform-origin:top center;margin-top:9px;margin-bottom:-22px}.lesson-bottom{margin-top:12px;padding-top:10px;padding-bottom:23px}.key-guide{margin-top:45px;min-height:205px}.guided-paper{min-height:125px;max-height:125px}.intro-area{margin-top:26px;min-height:215px}.intro-symbol{width:70px;height:70px}.intro-area h1{margin:13px 0;font-size:26px}.game-world{height:410px}}
@media(min-height:851px){.keyboard-zone{margin-top:25px}.lesson-bottom{margin-top:20px}}
.fj-hands-demo{padding-bottom:var(--hands-overhang,260px);isolation:isolate}
.fj-hands-demo .keyboard{position:relative;overflow:visible}
.typing-hands{position:absolute;left:0;top:0;width:100%;height:auto;overflow:hidden;z-index:3;pointer-events:none;user-select:none;touch-action:none;--hand-outline:rgba(115,123,132,.69);--hand-fill:rgba(145,151,156,.055)}
.typing-hands .hand-silhouette{fill:var(--hand-fill);stroke:var(--hand-outline);stroke-width:3.1;stroke-linecap:round;stroke-linejoin:round}
.typing-hands .hand-creases{fill:none;stroke:var(--hand-outline);stroke-width:3.1;opacity:.95;stroke-linecap:round;stroke-linejoin:round}
.typing-hands .hand-details{fill:none;stroke:var(--hand-outline);stroke-width:1.1;opacity:.3;stroke-linecap:round}
.typing-hands .index-guide{fill:none;stroke:transparent;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;transition:stroke .12s}
.typing-hands .index-guide.highlight{stroke:rgba(80,119,196,.95)}
.reference-hand{opacity:.8}
.reference-hand .ref-fill{fill:#e0e1e2;opacity:.33}
.reference-hand .ref-outline{fill:none;stroke:var(--reference-outline,#808285);stroke-width:2;stroke-miterlimit:10}
.reference-hand .ref-guide{fill:none;stroke:var(--reference-guide,#2969d0);stroke-width:3;stroke-linecap:round;stroke-miterlimit:10}
.reference-hand .ref-detail-group{opacity:.5}
.reference-hand .ref-detail-fill{fill:#aeb0b2}
.lesson-view:is([data-theme=midnight],[data-theme=space],[data-theme=terminal]) .reference-hand{--reference-outline:#cdd9e7;--reference-guide:#8ab8ff}
.fj-hands-demo .finger-legend{position:absolute;bottom:0;left:0;right:0;margin:0;z-index:4}
.fj-hands-demo:has(.typing-hands[hidden]){padding-bottom:0}
.fj-hands-demo:has(.typing-hands[hidden]) .finger-legend{position:static;margin-top:19px}
.lesson-view[data-hands=left] .overlay-hand.right,.lesson-view[data-hands=right] .overlay-hand.left{display:none}
.lesson-view:is([data-theme=midnight],[data-theme=space],[data-theme=terminal]) .typing-hands{--hand-outline:rgba(205,217,231,.65);--hand-fill:rgba(221,229,238,.05)}
@media(max-width:760px){.typing-hands .hand-silhouette,.typing-hands .hand-creases{stroke-width:3.3}.typing-hands .index-guide{stroke-width:4.2}}
@media(min-width:761px) and (max-height:850px){.fj-hands-demo .finger-legend{font-size:11px}}

.chapter-list[hidden]{display:none}.directory-tabs{display:flex;gap:8px;margin:16px 0 12px}.directory-tabs button{border:1px solid #dfe6eb;background:#f8fafb;color:#738593;padding:9px 12px;border-radius:5px;font-size:12px}.directory-tabs button[aria-selected="true"]{background:#eaf2f8;color:#426e8d;border-color:#87abc6}

/* Profile identity follows the same local backup lifecycle as learning progress. */
.profile-details{margin:20px 0}
.school-field{padding:0;border:0;margin:0 0 24px;min-width:0}
.school-field legend,.profile-class-grid label{font-size:14px;color:#5c7485;margin-bottom:12px}
.required-note{font-size:11px;color:#267aa1;background:#edf6fc;border-radius:4px;padding:3px 7px;margin-left:6px}
.school-options{display:flex;flex-wrap:wrap;gap:10px}
.profile-details .school-choice{display:flex;align-items:center;gap:8px;padding:12px;border:1px solid #dbe5eb;border-radius:7px;margin:0;cursor:pointer;font-size:13px;color:#5c7485;background:#fff}
.profile-details .school-choice:has(input:checked){border-color:#66a2c9;background:#edf6fc;color:#27658e}
.profile-details .school-choice input{width:16px;height:16px;accent-color:#428cbb;margin:0}
.profile-class-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.profile-class-grid label{display:block}
.profile-class-grid select{width:100%;background:#fff;margin:0;color:#486477}
@media(max-width:480px){.school-options{flex-direction:column}.profile-class-grid{gap:12px}}

.report-speed-row{row-gap:20px;align-items:center}
.report-speed-row>h3{grid-column:1/-1;font-size:19px;font-weight:400;margin:0 0 4px}
.report-speed-note{grid-column:1/-1;line-height:1.8;margin:0}

.avatar-identity{display:flex;flex-direction:column;align-items:flex-start;gap:3px;line-height:1.15;max-width:150px}.avatar-identity>span{max-width:100%;overflow:hidden;text-overflow:ellipsis}
.offline-account-badge{font-size:10px;line-height:1.2;color:#a8beca;font-weight:400;display:flex;align-items:center;gap:4px}.offline-account-badge::before{content:'';width:5px;height:5px;background:#8ca8ba;border-radius:50%}.offline-account-badge[data-stage="ready"]{color:#a2d6bc}.offline-account-badge[data-stage="ready"]::before{background:#a2d6bc}.offline-account-badge[data-stage="error"]::before{background:#e0b879}
.offline-account-details{margin:4px 0 20px;padding:14px 16px;border:1px solid #dfebe8;background:#f5faf8;border-radius:7px;color:#6d8c81;font-size:12px;line-height:1.8}.offline-account-details strong{font-size:14px;font-weight:500;color:#527b6a}.offline-account-details p{margin:7px 0}.offline-account-details small{display:block;color:#90a49b;font-size:11px;margin-top:6px}.offline-account-details progress{display:block;width:100%;height:7px;accent-color:#73ab97;margin:10px 0}.offline-account-details button{font-size:12px;padding:5px 10px}
.offline-ready-toast{position:fixed;right:24px;top:65px;max-width:calc(100vw - 40px);padding:12px 18px;border:1px solid #d3e8dc;border-radius:7px;background:#f3faf6;color:#55836c;box-shadow:0 3px 14px #233b3820;font-size:13px;z-index:2000;pointer-events:none}
@media(max-width:760px){.nav-account .avatar{max-width:110px}.avatar-identity{max-width:110px}.offline-account-badge{font-size:9px}}