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.password-screen{min-height:100vh}.profile #change-password{margin-left:auto;font-size:17px}.profile #logout{margin-left:0}
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/* Lerncenter und Auswahl nach der vom Nutzer gelieferten Bildschirmvorlage. */
:root{--teal:#0b7eae;--line:#e5e7e9;color:#62676c;background:#153c4e;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{background:#f4f6fa;min-height:100vh}.sidebar{width:125px;background:transparent;border:0;padding:25px 9px;color:#fff}.sidebar .brand{flex-direction:column;font-size:20px;letter-spacing:-.8px;gap:4px;color:white}.sidebar .logo{background:white;color:#087eac;width:43px;height:43px}.workspace,.side-tip{display:none}.sidebar nav{margin-top:65px}.nav-item{flex-direction:column;gap:6px;padding:15px 5px;color:#eee;font-size:11px;font-weight:400}.nav-item>span{font-size:26px}.nav-item.active{color:white;background:#0c82b0}.nav-item b{display:none}.profile{border-color:#ffffff28;gap:7px;flex-wrap:wrap;padding:15px 4px 0;margin-top:auto}.profile strong,.profile small{color:white;overflow-wrap:anywhere}.profile .avatar{background:#ffffff22;color:white}.profile button{color:white}.page{margin-left:125px}header{height:112px;background:transparent;border:0;color:#e0edf2;padding:0 24px}header .muted{color:#d3e4eb}.local-badge{background:#ffffff12;border-color:#ffffff20;color:#deebf0}.local-badge i{background:#94d4a6}main{max-width:1800px;padding:18px 24px 35px;color:white;min-height:calc(100vh - 165px)}h1{font-size:27px;font-weight:400;letter-spacing:-.3px}h2{font-weight:450}footer{color:#c5d9e1;border-color:#ffffff16;padding:18px 24px}.primary{background:#087fae;border-radius:7px;color:white;font-weight:450}.outline{border:1px solid #e4e8eb;color:#6d7479;border-radius:7px}.text-btn{color:#087ca8}.center-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 18px}.center-heading h1{margin:0}.center-heading>span{font-size:12px;color:#d6e4eb}.center-top-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:18px;align-items:stretch}.book-stage,.book-picker-panel{background:#fff;color:#777e83;border-radius:8px;padding:22px;min-width:0}.book-stage>h2{font-size:26px;font-weight:350;letter-spacing:-.5px;margin:0 0 28px}.last-practice{font-size:12px;margin-bottom:13px}.last-practice strong{font-size:11px;font-weight:400;color:#0880ad;margin-left:6px}.book-stage-main{display:flex;gap:14px;align-items:stretch}.featured-cover,.row-book,.book-choice{padding:0;border:0;background:none}.featured-cover{flex-shrink:0;align-self:stretch}.book-cover{display:flex;flex-direction:column;position:relative;overflow:hidden;text-align:left;width:64px;height:90px;border-radius:5px;background:linear-gradient(160deg,#6bbbd1 0 34%,#d9eef1 34% 46%,#fff 46% 68%,#009ab6 68%);border-left:4px solid #075e77;box-shadow:inset -2px 0 0 #ffffff70;color:#2f626a;padding:8px 6px}.cover-language{font-size:5px;letter-spacing:1px;color:white}.cover-title{font-size:7px;line-height:1.2;font-weight:650;display:block;margin-top:31px;max-height:22px;overflow:hidden}.cover-mark{position:absolute;top:13px;right:6px;font-size:20px;font-weight:750;color:#ffffffbc}.cover-bottom{margin-top:auto;font-size:3px;color:white;letter-spacing:.4px}.large-cover{width:155px;height:220px;padding:17px 11px;border-left-width:7px;border-radius:7px}.large-cover .cover-language{font-size:8px;letter-spacing:1.6px}.large-cover .cover-title{font-size:16px;margin-top:82px;max-height:45px;line-height:1.2;color:#ae4840}.large-cover .cover-mark{top:37px;right:14px;font-size:46px}.large-cover .cover-bottom{font-size:6px}.book-stage-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:9px}.due-tiles{display:grid;grid-template-columns:1fr 1fr;gap:9px;flex:1;min-height:120px}.due-tile{background:#f1f1f1;border:0;border-radius:7px;color:#858a8e;text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;padding:14px 5px}.due-tile.today:not(:disabled){background:#087fae;color:white}.due-tile>span{font-size:10px}.due-tile .tile-icon{font-size:25px}.due-tile strong{font-size:23px;font-weight:400}.new-words-btn,.test-words-btn{width:100%;display:block;text-align:left;padding:11px 13px;font-size:12px;min-height:39px;border-radius:7px}.test-words-btn{background:#f1f1f1;border:0}.book-picker-panel .section-title{margin-bottom:12px}.book-picker-panel h2{font-size:20px;margin:0;color:#7a8286}.book-picker-panel .section-title>span{font-size:10px;color:#9ba1a5}.book-picker-panel>p{font-size:11px;line-height:1.6;color:#9a9fa2;margin-bottom:18px}.book-picker{display:flex;gap:16px;overflow-x:auto;padding:5px 3px 12px;align-items:stretch}.book-choice{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:10px;max-width:155px;border-radius:8px}.book-choice>.book-cover{opacity:.55}.book-choice.chosen-book>.book-cover{opacity:1;outline:3px solid #148bb0;outline-offset:3px}.book-choice>span:last-child{color:#7d8487;font-size:10px;max-width:145px;text-align:center}.add-book{min-width:145px;min-height:220px;align-self:flex-start;border:2px dashed #a4aaad;border-radius:7px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px;background:white;color:#8b9195;padding:15px}.add-book strong{font-size:65px;font-weight:300;line-height:1}.add-book>span{font-size:12px;line-height:1.7}.home-contents{margin-top:34px}.home-contents>.section-title{margin:0 12px 16px}.home-contents h2{font-size:21px;color:#f5f9fa;margin:0;font-weight:400}.home-contents .section-title>span{font-size:11px;color:#dcebf0}.content-list{display:flex;flex-direction:column;gap:10px}.learning-content-row{background:white;border:1px solid #e3e7e9;border-radius:7px;display:flex;align-items:center;gap:18px;padding:13px;color:#777f84}.row-book{flex-shrink:0}.content-name{border:0;background:none;color:#787e82;text-align:left;flex:1;min-width:0}.content-name strong{font-size:16px;font-weight:400;display:block}.content-name small{display:block;margin-top:7px;font-size:10px;color:#9ea4a8}.row-learn{color:#087fb2;background:none;border:0;font-size:13px;white-space:nowrap}.row-learn b{font-weight:400;margin-left:10px}.content-counts{display:flex;gap:20px;text-align:center;margin-left:25px}.content-counts strong{display:block;font-size:14px;font-weight:400}.content-counts small{font-size:8px;color:#a0a6aa;display:block;margin-top:5px}.row-more{background:none;border:0;color:#858b8e;font-size:20px;padding:10px}.library-grid{display:flex;flex-direction:column}.page-heading .eyebrow{color:#b4d7e6}.page-heading .muted{color:#d1e0e7}.page-heading h1{color:white}.table-wrap,.users,.phase-panel,.stats article{color:#68747a}.selection-heading{display:flex;justify-content:space-between;align-items:center;gap:30px;margin:18px 0 24px}.selection-heading h1{font-size:24px;margin:0 0 9px}.selection-heading p{font-size:13px;margin:0;color:#e1ecf1}.selection-heading .search{margin:0;min-width:280px;max-width:430px;flex:1;background:#fff;border-radius:30px;padding:0 17px;color:#91999f;font-size:24px}.selection-heading .search input{border:0;border-radius:30px;box-shadow:none;padding:14px 0;font-size:12px}.selection-steps{display:flex;gap:24px;list-style:none;margin:0 0 24px;padding:0;font-size:11px;color:#b5d2e0;align-items:center}.selection-steps li{display:flex;gap:9px;align-items:center}.selection-steps li>span{display:grid;place-items:center;width:24px;height:24px;border:1px solid #b5d2e05c;border-radius:50%;font-size:10px}.selection-steps .current{color:#fff}.selection-steps .current>span{background:#1384af;border-color:#1384af}.selection-steps .done>span{background:#ffffff22}.mode-tabs{display:flex;gap:6px;margin:0 0 18px;flex-wrap:wrap}.mode-tabs button{background:#ffffff15;border:1px solid #ffffff26;color:#deebf2;padding:11px 16px;border-radius:6px;font-size:12px}.mode-tabs button.active{background:#087fae;border-color:#42a9cf;color:#fff}.mode-tabs button span{margin-left:14px;font-size:10px}.selection-tools{display:flex;gap:20px;align-items:center;background:#fff;border-radius:7px 7px 0 0;padding:18px 22px;color:#7b858b;font-size:12px;border-bottom:1px solid #eceeef}.selection-tools .check-label{color:#727d83;font-weight:400}.selection-tools>span{margin-left:auto;font-size:11px}.selection-tools .text-btn{font-weight:400;font-size:10px}.lesson-accordion{background:#fff;border-radius:0 0 7px 7px;overflow:hidden;color:#7d8489}.accordion-header{display:flex;align-items:center;background:#fff;border-bottom:1px solid #eeeeef}.accordion-header>label{margin:0;padding:19px 22px;display:flex;align-items:center}.accordion-header>button:not(.lesson-edit){display:flex;align-items:center;gap:20px;flex:1;background:none;border:0;padding:17px 0;color:#087fb0;text-align:left;min-height:57px}.accordion-header strong{font-size:13px;font-weight:600}.accordion-header button>span{margin-left:auto;font-size:12px;font-weight:400}.accordion-header b{font-size:21px;color:#8a9298;font-weight:400}.lesson-edit{padding:15px 18px;background:none;border:0;color:#a6adb1;font-size:15px}.accordion-word{display:flex;gap:20px;align-items:center;margin:0;padding:16px 24px 16px 42px;min-height:55px;background:#f8f8f8;border-bottom:1px solid #eeeeef;color:#7d8388;cursor:pointer;font-weight:400;font-size:13px}.accordion-word>span:first-of-type{flex:1}.word-translation{color:#a0a5a9;font-size:12px;flex:1}.accordion-word>small{font-size:9px;color:#a1a9ae;white-space:nowrap}.checked-word{background:#f1f8fb}.editor-tools{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0}.editor-tools button{font-size:10px;min-height:34px;padding:9px 12px}.flow-actions{display:flex;gap:12px;align-items:center;margin-top:26px;padding:12px 0;position:sticky;bottom:0;z-index:2;background:linear-gradient(transparent,#103b4bea 25%);backdrop-filter:blur(4px)}.flow-actions>.primary{margin-left:auto;min-width:140px;border-radius:25px}.flow-actions>.outline{border-radius:25px;background:#087fae;color:white;border:0;min-width:90px}.flow-actions>span{margin-left:auto;font-size:11px;color:#dfedf4}.flow-actions>span+.primary{margin-left:0}.summary-page>h1{margin:0 0 24px}.summary-panel{display:flex;gap:28px;background:white;border-radius:8px;color:#7e8589;padding:25px}.summary-content{flex:1;min-width:0}.summary-content h2{font-size:25px;font-weight:350;margin-bottom:22px}.summary-content p{font-size:12px;line-height:1.7;margin-bottom:20px}.summary-content p strong{font-weight:650}.summary-content h3{font-size:21px;font-weight:350;margin:24px 0 17px}.mandatory-learning{color:#087fae}.direction-choices{display:flex;gap:8px;max-width:580px;margin:22px 0}.direction-choices label{flex:1;display:flex;flex-direction:column;align-items:center;background:#f7f7f7;border:1px solid transparent;border-radius:7px;padding:18px 12px;cursor:pointer;font-weight:400}.direction-choices label:has(input:checked){border-color:#1286b5;background:#edf7fb}.direction-choices input{margin:0 0 13px;width:17px;height:17px;accent-color:#087fae}.direction-choices span{display:flex;flex-direction:column;text-align:center;font-size:10px;color:#7b858b;gap:8px}.direction-choices b{font-size:29px;font-weight:350;color:#1188b7}.training-top{color:#e1eef4}.training-top .text-btn{color:#e1eef4}.training-card{color:#68767e;border-radius:8px;max-width:780px}.training-card h1{color:#475960}.training-card-meta{display:flex;justify-content:space-between;align-items:center}.stage-number{font-size:11px;background:#e8f4f9;color:#0d80a8;padding:7px 11px;border-radius:20px}.stage-number.mastered{background:#e3f3e6;color:#41835b}.retry-label{font-size:10px;color:#b38154;margin:24px 0 0}.copy-answer{border-top:1px solid #e5ecef;border-bottom:1px solid #e5ecef;padding:22px 10px;margin-bottom:25px;background:#f8fbfc}.copy-answer small{font-size:9px;letter-spacing:1px;color:#93a5af}.copy-answer h2{font-size:28px;color:#087fae;margin:18px 0}.copy-answer p{font-size:11px;color:#8c9ca6;line-height:1.7;margin-bottom:0}.training-hint{color:#c4dee9}.seven-phases{grid-template-columns:repeat(7,1fr)}.p7{background:#34875a}.finish{color:white}.finish .muted{color:#e0ebef}input[type=checkbox]{accent-color:#0e82b2}.login-side{color:#465e67}.login-intro{background:#e6edf0}.login-box .primary{background:#0c80ae}.profile #change-password,.profile #logout{color:white}
@media(min-width:1500px){.center-top-grid{grid-template-columns:1.05fr 1fr}.book-stage-main{gap:20px}.large-cover{width:180px;height:250px}.large-cover .cover-title{margin-top:96px;font-size:18px}.due-tiles{min-height:150px}.book-picker{gap:24px}.book-stage,.book-picker-panel{padding:24px}.add-book{height:250px;min-width:165px}.book-choice{max-width:180px}.content-name strong{font-size:17px}.learning-content-row{padding:14px 20px}}
@media(max-width:1100px){.center-top-grid{grid-template-columns:1fr}.book-picker-panel{padding:20px}.book-picker .large-cover{width:115px;height:165px}.book-picker .large-cover .cover-title{margin-top:55px;font-size:11px}.book-picker .large-cover .cover-mark{font-size:30px;top:24px}.book-picker .large-cover .cover-language{font-size:6px}.book-picker .add-book{min-width:115px;min-height:165px;height:165px}.content-counts{gap:12px;margin-left:0}.learning-content-row{gap:10px}.content-name strong{font-size:13px}.selection-heading{align-items:flex-start;flex-direction:column;gap:15px}.selection-heading .search{width:100%;max-width:100%;min-width:0}}
@media(max-width:760px){.sidebar{width:auto;padding:15px 16px;position:relative}.sidebar .brand{flex-direction:row;justify-content:flex-start;font-size:22px;gap:9px}.sidebar .logo{width:35px;height:35px}.sidebar nav{margin-top:17px;display:flex}.nav-item{flex-direction:row;font-size:10px;gap:6px;padding:10px 5px}.nav-item>span{font-size:17px}.profile{margin:0;position:absolute;top:8px;right:16px;padding:10px 0;flex-wrap:nowrap}.page{margin:0}header{height:45px;padding:0 18px;font-size:10px}main{padding:15px 16px 25px}.center-heading{margin-bottom:16px}.center-heading h1{font-size:22px}.center-heading>span{font-size:10px}.center-top-grid{gap:14px}.book-stage,.book-picker-panel{padding:17px}.book-stage>h2{font-size:22px;margin-bottom:20px}.book-stage-main{gap:12px}.large-cover{width:117px;height:180px;padding:13px 8px}.large-cover .cover-title{font-size:12px;margin-top:65px}.large-cover .cover-mark{font-size:36px;top:26px}.large-cover .cover-language{font-size:6px}.large-cover .cover-bottom{font-size:4px}.due-tiles{min-height:95px;gap:7px}.due-tile{padding:8px 4px}.due-tile .tile-icon{font-size:20px}.due-tile strong{font-size:21px}.due-tile>span{font-size:9px}.book-stage-info{gap:7px}.new-words-btn,.test-words-btn{font-size:10px;padding:10px 8px;min-height:36px}.home-contents{margin-top:25px}.home-contents>.section-title{margin:0 0 14px;gap:10px}.home-contents h2{font-size:18px}.home-contents .section-title>span{font-size:9px}.learning-content-row{flex-wrap:wrap;padding:12px;gap:10px}.row-book .book-cover{width:51px;height:72px}.row-book .cover-title{margin-top:23px;font-size:6px}.content-name{min-width:130px}.content-name strong{font-size:13px}.row-learn{font-size:11px;order:4;margin-left:61px}.content-counts{order:5;margin-left:auto;gap:16px}.content-counts strong{font-size:12px}.content-counts small{font-size:7px}.row-more{padding:4px}.selection-heading h1{font-size:22px}.selection-heading p{font-size:11px}.selection-steps{font-size:10px;gap:16px;margin-bottom:20px}.selection-steps li{gap:7px}.mode-tabs{gap:5px}.mode-tabs button{font-size:10px;padding:10px}.mode-tabs button span{margin-left:7px}.selection-tools{padding:15px 12px;gap:10px;flex-wrap:wrap}.selection-tools .check-label{font-size:11px;gap:8px}.selection-tools>span{font-size:10px}.selection-tools .text-btn{margin-left:auto}.accordion-header>label{padding:18px 13px}.accordion-header strong{font-size:11px}.accordion-header>button:not(.lesson-edit){gap:10px;padding:16px 0}.accordion-header button>span{font-size:10px}.lesson-edit{padding:14px 11px;font-size:13px}.accordion-word{padding:14px 13px 14px 25px;gap:12px;font-size:12px;flex-wrap:wrap}.accordion-word>span:first-of-type{min-width:110px}.word-translation{font-size:11px}.accordion-word>small{font-size:8px}.flow-actions{gap:8px}.flow-actions>.outline{min-width:0;padding:11px 14px;font-size:10px}.flow-actions>.primary{min-width:100px;padding:11px 15px;font-size:10px}.flow-actions>span{font-size:9px}.summary-panel{padding:18px;gap:15px;flex-direction:column}.summary-book{display:none}.summary-content h2{font-size:23px}.summary-content p{font-size:11px}.summary-content h3{font-size:18px}.direction-choices{gap:5px}.direction-choices label{padding:16px 8px}.direction-choices span{font-size:9px}.training-card{padding:25px 19px}.training-card-meta .tag{font-size:8px}.training-card h1{font-size:32px}.training-top{font-size:10px;gap:10px}.stage-number{font-size:9px;padding:6px 9px}.seven-phases{gap:8px}.seven-phases small{font-size:7px}footer{padding:16px}.book-picker-panel .section-title h2{font-size:17px}.book-picker-panel>p{font-size:10px}.book-choice>span:last-child{font-size:9px;max-width:112px}}

/* Ruhiger Lernplatz: Papier, Tinte und dezente Sprachmotive. */
:root {
  --teal: #2466d7;
  --line: #e4e9f0;
  color: #253c50;
  background: #f2f5fa;
}
body {
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background:
    radial-gradient(ellipse at 95% 0%, #dce4fc 0, transparent 40%),
    radial-gradient(ellipse at 12% 8%, #deeee8 0, transparent 37%),
    radial-gradient(ellipse at 75% 100%, #e5edfc 0, transparent 47%),
    #f4f6fa;
  background-attachment: fixed;
}
.focus-letter, .focus-words {
  position: fixed;
  pointer-events: none;
  z-index: -1;
  user-select: none;
}
.focus-letter {
  right: -26px;
  top: -110px;
  font: italic 420px/1 Georgia, serif;
  letter-spacing: -42px;
  color: #365d9c07;
  transform: rotate(-12deg);
}
.focus-words {
  bottom: 45px;
  left: 17%;
  white-space: nowrap;
  font: 600 48px/1.4 ui-sans-serif, sans-serif;
  letter-spacing: -2px;
  color: #396a7d07;
  transform: rotate(-8deg);
}
.sidebar {
  background: #ffffffa6;
  border-right: 1px solid #ffffffd9;
  backdrop-filter: blur(22px);
  color: #29425a;
}
.sidebar .brand { color: #223c56; }
.sidebar .logo { background: #234f89; color: white; }
.sidebar nav { margin-top: 55px; }
.nav-item { color: #6b7d8e; border-radius: 12px; }
.nav-item:hover:not(:disabled) { background: #eaf0f8; }
.nav-item.active { color: #245ac2; background: #e4edfc; font-weight: 650; }
.profile { border-color: #dfe6ef; }
.profile strong { color: #35536d; }
.profile small { color: #7e91a1; }
.profile .avatar { background: #e4edf6; color: #4c7092; }
.profile button, .profile #change-password, .profile #logout { color: #678198; }
header { color: #5f768b; }
header .muted { color: #899bac; }
.local-badge { color: #56756f; background: #ffffffb8; border-color: #dde9e4; }
.local-badge i { background: #65a48c; }
main { color: #243e55; }
h1 { font-weight: 570; letter-spacing: -.7px; }
.center-heading h1 { font-size: 30px; }
.center-heading > span { color: #71879a; }
.book-stage, .book-picker-panel, .learning-content-row, .summary-panel,
.training-card, .phase-panel, .users, .stats article {
  background: #ffffffed;
  border: 1px solid #ffffff;
  box-shadow: 0 12px 35px #2b4c7507, 0 1px 2px #29466a04;
  border-radius: 17px;
  color: #587084;
}
.book-stage > h2, .book-picker-panel h2, .summary-content h2 {
  color: #334e65;
  font-weight: 510;
}
.last-practice { color: #7c92a3; }
.last-practice strong { color: #54769d; }
.primary { background: #2864cf; box-shadow: 0 3px 8px #2864cf0d; font-weight: 550; }
.primary:hover:not(:disabled) { background: #215aba; }
.outline { border-color: #e0e7ef; color: #617a90; background: #fff; }
.text-btn, .row-learn { color: #326bc0; }
.due-tile { background: #f0f4f9; color: #8297a9; border-radius: 11px; }
.due-tile.today:not(:disabled) { background: #e8f1fc; color: #316cc1; }
.new-words-btn { border-radius: 9px; }
.test-words-btn { background: #eef3f9; border-radius: 9px; color: #5b7691; }
.book-cover {
  border-left-color: #1a5272;
  background: linear-gradient(155deg, #71c6c8 0 33%, #dbf0ee 33% 46%, #fff 46% 68%, #2c7195 68%);
}
.cover-title, .large-cover .cover-title { color: #316983; }
.book-choice.chosen-book > .book-cover { outline-color: #679bd3; }
.book-picker-panel > p { color: #8498a9; }
.add-book { border-color: #ccd8e7; background: #f9fbfe; color: #849db6; border-radius: 10px; }
.add-book strong { color: #9ab1cc; }
.home-contents h2 { color: #344e66; font-size: 21px; font-weight: 550; }
.home-contents .section-title > span { color: #8a9fb2; }
.content-name strong { color: #47627c; font-weight: 500; }
.content-name small, .content-counts small { color: #8d9faf; }
.content-counts strong { color: #657f96; }
.row-more { color: #8ca0b2; }
.page-heading h1 { color: #29465f; }
.page-heading .eyebrow { color: #829bad; }
.page-heading .muted { color: #8096a9; }
.selection-heading p { color: #71899e; }
.selection-heading .search { border: 1px solid #e4eaf3; }
.selection-steps { color: #9aacbc; }
.selection-steps .current { color: #456e9e; }
.selection-steps li > span { border-color: #d5e1ef; }
.selection-steps .current > span { background: #2864cf; color: white; border-color: #2864cf; }
.selection-steps .done > span { background: #e5edf8; color: #6183a9; }
.mode-tabs button { background: #ffffffa3; border-color: #e1e8f1; color: #6c859d; }
.mode-tabs button.active { background: #e3edfc; border-color: #c5d8f5; color: #376bc1; }
.selection-tools { border: 1px solid #e5ebf3; border-radius: 13px 13px 0 0; background: #fcfdff; color: #7890a5; }
.lesson-accordion { border: 1px solid #e5ebf3; border-top: 0; border-radius: 0 0 13px 13px; }
.accordion-header > button:not(.lesson-edit) { color: #4d78a7; }
.accordion-header { border-color: #eaf0f6; }
.accordion-word { background: #f8fafc; border-color: #edf1f6; color: #657e94; }
.checked-word { background: #eff5ff; }
.word-translation { color: #8ca0b4; }
.editor-tools .outline { background: #ffffffa3; }
.flow-actions { background: linear-gradient(#f3f6fa00, #f3f6faf5 35%); border-radius: 12px; }
.flow-actions > .outline { background: #e6edf6; color: #6684a2; }
.flow-actions > span { color: #7791a8; }
.summary-content p { color: #71889d; }
.summary-content .mandatory-learning { color: #487ba5; }
.direction-choices label { background: #f5f8fc; border-radius: 11px; }
.direction-choices label:has(input:checked) { border-color: #adc9ee; background: #edf4ff; }
.direction-choices b { color: #4c80c7; }
.direction-choices span { color: #6c88a3; }
.training-top, .training-top .text-btn { color: #728ca3; }
.training-card { border-radius: 19px; }
.training-card h1 { color: #35536d; }
.training-hint { color: #8ba0b3; }
.stage-number { background: #eaf1fc; color: #527db2; }
.copy-answer { background: #f4f8fe; border-color: #e4edf8; border-radius: 11px; }
.copy-answer h2 { color: #467dc4; }
.finish { color: #3d5a73; }
.finish .muted { color: #7a93a8; }
footer { color: #97a9b9; border-color: #dfe7f0; }
input[type=checkbox], .direction-choices input { accent-color: #376ec9; }
@supports not (backdrop-filter: blur(1px)) { .sidebar { background: #f9fbfe; } }
@media (prefers-reduced-transparency: reduce) { .sidebar { background: #f9fbfe; backdrop-filter: none; } }
@media (min-width: 761px) and (max-width: 1100px) {
  .sidebar { width: 112px; }
  .page { margin-left: 112px; }
  header { height: 88px; }
  main { padding-top: 10px; }
  .book-stage-main { gap: 22px; }
  .book-picker { gap: 20px; }
}
@media (max-width: 760px) {
  body { background-attachment: scroll; }
  .focus-letter { font-size: 280px; right: -50px; top: 20px; }
  .focus-words { font-size: 32px; bottom: 5%; left: 0; }
  .sidebar { border-right: 0; border-bottom: 1px solid #e2e9f2; background: #ffffffb5; }
  .sidebar nav { margin-top: 17px; }
  .nav-item { min-height: 40px; }
  .center-heading h1 { font-size: 24px; }
  .book-stage, .book-picker-panel { border-radius: 15px; }
  .book-stage > h2 { font-size: 22px; }
  .primary, .editor-tools .outline, .mode-tabs button { min-height: 42px; }
  .book-stage-info .primary, .book-stage-info .outline { min-height: 39px; }
  .profile { border: 0; }
  .flow-actions { padding-bottom: max(12px, env(safe-area-inset-bottom)); }
  .training-card { border-radius: 16px; }
}
@media (max-width: 360px) {
  .book-stage-main { gap: 8px; }
  .featured-cover .large-cover { width: 100px; height: 176px; }
  .new-words-btn, .test-words-btn { font-size: 9px; padding-left: 7px; }
  .mode-tabs button { padding-left: 9px; padding-right: 9px; }
  .profile .avatar { display: none; }
  .sidebar .brand { font-size: 21px; }
  .content-name { min-width: 115px; }
}

.focus-decor { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: -1; }
@media (max-width: 360px) {
  .sidebar nav { gap: 3px; }
  .nav-item { flex: 1; min-width: 0; flex-direction: column; gap: 4px; font-size: 9px; padding: 8px 3px; white-space: normal; }
  .nav-item > span { font-size: 16px; }
}
@media (max-width: 360px) {
  .flow-actions > span { display: none; }
  .flow-actions > .outline { white-space: nowrap; }
}

.book-cover.image-cover { background: transparent; border: 0; box-shadow: none; padding: 0; display: flex; align-items: center; justify-content: center; }
.book-cover.image-cover img { display: block; width: 100%; height: 100%; object-fit: contain; border-radius: inherit; }

.grammar-option{padding:16px 20px;background:#eef6f6;border:1px solid #d5e7e6;border-radius:12px;margin:20px 0}.grammar-option p,.grammar-editor p{font-size:13px;line-height:1.6;color:#5e7476}.grammar-option input{width:18px;height:18px}.detail-solution{font-size:18px}.detail-solution small{display:block;font-size:12px;color:#637d7d}.training-card form label+label{margin-top:14px}.grammar-editor{margin:16px 0}.grammar-editor summary{cursor:pointer;padding:12px 0}.image-cover img{object-fit:contain}

/* The learning surface follows the available screen, while text remains readable. */
main.training-main{max-width:none;padding:24px clamp(18px,2.5vw,48px) 20px;display:flex;min-height:calc(100svh - 138px)}
.training-layout{width:100%;display:flex;flex-direction:column;gap:16px;min-width:0}
.training-layout .training-top{margin:0;align-items:center;min-height:32px}
.training-layout .training-card{width:100%;max-width:none;margin:0;flex:1;min-height:clamp(460px,calc(100svh - 265px),1100px);padding:clamp(20px,3vw,48px);display:flex;flex-direction:column}
.training-layout .training-card-meta{gap:clamp(14px,2vw,32px);width:100%;align-items:center}
.training-layout .stage-number{flex:none;display:grid;place-items:center;min-width:46px;min-height:46px;padding:4px 12px;border-radius:12px;font-size:26px;font-weight:700;line-height:1}
.training-progress{display:flex;align-items:center;gap:clamp(12px,2vw,28px);min-width:0;flex:1}
.training-progress progress{display:block;flex:1;min-width:0;width:0;height:9px;accent-color:#3867cc;background:#e5ebf5;border-radius:9px;overflow:hidden}
.training-progress progress::-webkit-progress-bar{background:#e5ebf5;border-radius:9px}
.training-progress progress::-webkit-progress-value{background:#3867cc;border-radius:9px}
.training-progress progress::-moz-progress-bar{background:#3867cc;border-radius:9px}
.training-count{flex:none;white-space:nowrap;font-size:clamp(13px,1.1vw,17px);font-variant-numeric:tabular-nums;color:#526c85;font-weight:600}
.training-content{width:100%;min-width:0;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:clamp(28px,4vh,64px) 0 12px}
.training-content>.tag{align-self:center}
.training-layout .training-card h1{max-width:1100px;font-size:clamp(34px,3.6vw,66px);line-height:1.15;margin:clamp(22px,4vh,48px) 0;}
.training-layout .training-card form{width:100%;max-width:640px;margin:0 auto 16px}
.training-layout .training-card input{font-size:18px;min-height:56px}
.training-layout .training-card form .primary{min-height:52px;font-size:15px}
.training-content>.answer,.training-content>.copy-answer{width:100%;max-width:900px}
.training-content>.answer-buttons{width:100%;max-width:640px;justify-content:space-between}
.training-layout .training-hint{margin:0;text-align:center;font-size:12px}
@media(min-width:1800px){.training-layout .training-card form{max-width:760px}.training-layout .training-card input{min-height:64px;font-size:21px}.training-layout .training-card form .primary{min-height:58px}}
@media(max-width:760px){
 main.training-main{padding:12px 12px 18px;min-height:calc(100svh - 210px)}
 .training-layout{gap:10px}
 .training-layout .training-card{padding:18px 16px;min-height:calc(100svh - 295px);border-radius:16px}
 .training-layout .stage-number{min-width:36px;min-height:36px;font-size:22px;border-radius:9px;padding:4px 9px}
 .training-layout .training-card-meta{gap:12px}
 .training-progress{gap:12px}.training-progress progress{height:7px}
 .training-count{font-size:13px}
 .training-content{padding:24px 0 6px}
 .training-layout .training-card h1{font-size:clamp(30px,7vw,44px);margin:24px 0 30px}
 .training-layout .training-card input{min-height:50px;font-size:16px}
 .training-layout .training-card form .primary{min-height:48px;font-size:14px}
 .training-content>.answer-buttons{gap:12px}
 .training-layout .training-hint{font-size:10px}
}
@media(max-height:550px) and (min-width:761px){.training-layout .training-card{min-height:330px}.training-content{padding:18px 0 0}.training-layout .training-card h1{font-size:36px;margin:16px 0 20px}}

/* Browser-local colour preferences, shared by every learning view. */
:root{--scheme-accent:#2864cf;--scheme-soft:#e9effa;--scheme-pale:#f6f8fd;--scheme-tint:#d8e3f6;--scheme-line:#bdcfee;--scheme-ink:#4264ac}
body{background:radial-gradient(ellipse at 95% 0%,var(--scheme-tint) 0,transparent 43%),radial-gradient(ellipse at 12% 8%,var(--scheme-soft) 0,transparent 40%),radial-gradient(ellipse at 75% 100%,var(--scheme-soft) 0,transparent 47%),var(--scheme-pale);background-attachment:fixed}
.primary,.login-box .primary,.new-words-btn,.selection-steps .current>span{background:var(--scheme-accent);color:#fff;box-shadow:none}
.primary:hover:not(:disabled){background:var(--scheme-accent);filter:brightness(.91)}
.sidebar .logo{background:var(--scheme-accent)}
.nav-item.active,.mode-tabs button.active,.direction-choices label:has(input:checked){color:var(--scheme-accent);background:var(--scheme-soft);border-color:var(--scheme-line)}
.nav-item:hover:not(:disabled),.checked-word,.copy-answer,.grammar-option,.color-preview{background:var(--scheme-pale)}
.text-btn,.row-learn,.direction-choices b,.copy-answer h2,.accordion-header>button:not(.lesson-edit),.selection-steps .current,.summary-content .mandatory-learning{color:var(--scheme-accent)}
.nav-item b,.selection-steps .done>span,.stage-number,.profile .avatar,.test-words-btn,.due-tile.today:not(:disabled){color:var(--scheme-ink);background:var(--scheme-soft)}
.book-choice.chosen-book>.book-cover{outline-color:var(--scheme-accent)}
.training-progress progress{accent-color:var(--scheme-accent);background:var(--scheme-soft)}
.training-progress progress::-webkit-progress-bar{background:var(--scheme-soft)}
.training-progress progress::-webkit-progress-value{background:var(--scheme-accent)}
.training-progress progress::-moz-progress-bar{background:var(--scheme-accent)}
input[type=checkbox],input[type=radio]{accent-color:var(--scheme-accent)}
input:focus,select:focus,textarea:focus{border-color:var(--scheme-accent);outline-color:var(--scheme-accent)}
.flow-actions{background:linear-gradient(transparent,var(--scheme-pale) 35%)}
.grammar-option,.copy-answer{border-color:var(--scheme-line)}
.login-intro{background:linear-gradient(145deg,var(--scheme-soft),var(--scheme-pale))}
.profile #appearance{font-size:20px}
.appearance-settings{padding:4px;max-width:620px}
.appearance-settings h3{margin:8px 0}.appearance-settings>.muted{font-size:13px}
.color-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px;margin:24px 0}
.color-choice{border:2px solid transparent;background:transparent;border-radius:12px;padding:9px 4px;display:flex;flex-direction:column;align-items:center;gap:8px;font-size:11px;color:#486073;min-width:0}
.color-choice[aria-pressed=true]{border-color:var(--scheme-accent);background:var(--scheme-pale);font-weight:700}
.color-swatch{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--swatch);color:white;font-size:20px}
.color-swatch>span{visibility:hidden}.color-choice[aria-pressed=true] .color-swatch>span{visibility:visible}
.custom-color{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px}
.custom-color input{width:68px;height:42px;padding:3px;cursor:pointer;margin:0}
.color-preview{border:1px solid var(--scheme-line);border-radius:12px;display:flex;align-items:center;gap:14px;padding:16px;margin:20px 0}
.color-preview .stage-number{font-size:20px;font-weight:700;border-radius:8px;padding:12px}
.color-preview strong{font-size:13px}.color-preview p{font-size:11px;line-height:1.5;margin:6px 0 0;color:#617789}
.preview-check{margin-left:auto;color:var(--scheme-accent);font-size:24px}
.color-status{font-size:12px;color:#607789;min-height:18px}
@media(max-width:760px){.color-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.color-choice{font-size:10px;padding:7px 3px}.color-swatch{width:36px;height:36px}.appearance-settings{padding:0}.profile{gap:6px}.color-preview{padding:12px;gap:10px}}
@media(max-width:380px){.profile .avatar{display:none}}
@media(prefers-reduced-motion:reduce){button{transition:none}}

.settings-tabs{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0 22px}.settings-tabs .selected-setting{background:var(--scheme-soft);border-color:var(--scheme-accent);color:var(--scheme-accent)}
.settings-panel{max-width:1000px;padding:28px}.settings-panel #settings-password{max-width:500px}.settings-panel .appearance-settings{max-width:760px}.settings-panel .appearance-settings>h3,.settings-panel .appearance-settings>.muted{display:none}.settings-panel .color-grid{margin-top:10px}.settings-panel .users{margin-top:20px}
.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.report-panel{margin:22px 0;padding:28px}.report-grid .report-panel{margin:0 0 22px}.report-panel>.muted{font-size:12px;line-height:1.7}.activity-chart{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:16px;margin:30px 0 20px}.activity-chart>div{text-align:center;font-size:12px;min-width:0}.activity-track{height:150px;display:flex;align-items:end;margin:10px 0}.activity-track>span{display:flex;align-items:end;width:100%;background:var(--scheme-tint);border-radius:7px;overflow:hidden;min-height:3px}.activity-track i{display:block;width:100%;background:var(--scheme-accent);min-height:0}.forecast-list>div{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.forecast-list strong{font-size:18px;color:var(--scheme-accent)}.hard-words{margin-top:20px}.hard-words details{border-top:1px solid var(--line)}.hard-words summary{display:flex;justify-content:space-between;gap:20px;cursor:pointer;padding:18px 4px;font-size:14px;list-style:revert}.hard-words summary strong{white-space:nowrap;color:#a53d49;font-size:12px}.hard-words details>div{padding:5px 16px 20px}.hard-words details p{font-size:12px;color:#627889}.hard-words h3{color:var(--scheme-accent)}.answer-feedback{align-self:stretch;background:var(--scheme-pale);border:1px solid var(--scheme-line);padding:12px 18px;border-radius:10px;margin-bottom:22px;font-size:13px;line-height:1.5;overflow-wrap:anywhere}.answer-feedback.incorrect{color:#a23840;background:#fff4f3;border-color:#f1cecb}.answer-feedback.correct{color:#236347;background:#f0faf4;border-color:#cce7d6}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:760px){.settings-panel,.report-panel{padding:20px 16px}.settings-tabs{gap:7px}.settings-tabs .outline{padding:10px 12px}.report-grid{grid-template-columns:1fr;gap:0}.activity-chart{gap:10px}.activity-track{height:115px}.hard-words summary{font-size:12px;gap:10px}.hard-words summary strong{font-size:10px}.nav-item{min-height:44px}.nav-item>span{font-size:19px}.answer-feedback{font-size:12px;padding:12px}}
@media(max-width:380px){.nav-item{flex-direction:column;gap:5px;font-size:9px}}

.report-analysis>.section-title{margin:34px 0 18px;gap:16px;flex-wrap:wrap}.report-analysis>.section-title>span{font-size:12px;color:#6e8497}.accuracy-explainer{display:flex;align-items:center;gap:24px;margin:24px 0 12px}.accuracy-explainer p{font-size:12px;line-height:1.65;color:#627789}.accuracy-explainer h3{font-size:17px}.accuracy-ring{width:144px;height:144px;flex:none;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--scheme-accent) var(--accuracy),var(--scheme-tint) 0);position:relative}.accuracy-ring:before{content:'';position:absolute;inset:14px;border-radius:50%;background:white}.accuracy-ring strong{position:relative;font-size:28px;color:var(--scheme-accent)}.legend-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--scheme-accent);margin-right:4px}.legend-dot.pale{background:var(--scheme-tint);margin-left:12px}.goal-number{font-size:15px;margin:28px 0}.goal-number strong{font-size:38px;color:var(--scheme-accent);padding-right:6px}.goal-bar{display:flex;height:14px;overflow:hidden;background:#e8edf2;border-radius:20px;margin:14px 0}.goal-mastered{display:block;background:#287b53}.goal-started{display:block;background:var(--scheme-accent)}.goal-legend{display:flex;gap:14px;flex-wrap:wrap;font-size:11px;margin:18px 0}.goal-legend>span:first-child{color:#287b53}.goal-legend>span:nth-child(2){color:var(--scheme-accent)}.goal-legend>span:last-child{color:#647889}.trend-chart{width:100%;margin:22px 0 12px}.trend-chart svg{display:block;width:100%;height:auto;min-height:160px}.chart-data summary{cursor:pointer;color:var(--scheme-accent);font-size:12px;padding:12px 0}.chart-table-scroll{overflow:auto;max-height:300px}.chart-data table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}.chart-data th,.chart-data td{padding:10px;border-bottom:1px solid var(--line);white-space:nowrap}.chart-data th{position:sticky;top:0;background:white}.month-activity{display:grid;grid-template-columns:repeat(30,minmax(0,1fr));height:135px;gap:5px;align-items:end;margin:24px 0 12px}.month-activity>div{height:100%;display:flex;align-items:end}.month-activity span{width:100%;display:block;background:var(--scheme-accent);border-radius:4px 4px 0 0;min-height:2px}.legend-end{float:right}.horizontal-chart{margin:22px 0}.horizontal-chart>div{display:grid;grid-template-columns:65px minmax(0,1fr) 35px;gap:12px;align-items:center;font-size:12px;margin:15px 0}.horizontal-chart>div>div{height:11px;background:#e8edf2;border-radius:10px;overflow:hidden}.horizontal-chart i{display:block;height:100%;background:var(--scheme-accent);border-radius:10px}.horizontal-chart strong{text-align:right;color:var(--scheme-accent)}.collection-goals>div{margin:24px 0}.collection-goals strong{display:block;font-size:14px;overflow-wrap:anywhere}.collection-goals small{display:block;font-size:11px;margin:8px 0;color:#627789}
@media(max-width:1050px){.accuracy-explainer{gap:16px;align-items:flex-start}.accuracy-ring{width:110px;height:110px}.accuracy-ring strong{font-size:24px}}
@media(max-width:760px){.accuracy-explainer{gap:18px}.accuracy-ring{width:105px;height:105px}.accuracy-ring:before{inset:11px}.accuracy-explainer h3{font-size:14px}.accuracy-explainer p{font-size:11px}.month-activity{gap:3px;height:100px}.horizontal-chart>div{gap:9px}.report-analysis>.section-title h2{font-size:20px}.trend-chart svg{min-height:120px}}
@media(max-width:380px){.accuracy-explainer{flex-direction:column;align-items:center}.accuracy-explainer>div:last-child{width:100%}}
.report-analysis>.report-panel{max-width:none;width:100%}
@media(max-width:760px){.trend-chart svg text{font-size:22px}.trend-chart svg circle{r:6px}}