:root{--navy:#07334b;--teal:#00a9b4;--ink:#12354b;--muted:#647785;--line:#dce5e8;--bg:#f5f8f9}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #e0ab22;outline-offset:4px}[hidden]{display:none!important}header{height:100px;background:#fff;display:flex;align-items:center;padding:0 max(6%,calc((100vw - 1280px)/2));gap:60px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;font-size:26px;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand-symbol{color:var(--teal);font-size:45px}.thin{font-weight:400}.brand small{display:block;font-size:9px;letter-spacing:1.7px;margin-top:5px}.nav{border:0;background:transparent;text-decoration:none;padding:18px 0;color:var(--muted);font-size:14px}.nav.active{color:var(--navy);border-bottom:3px solid var(--teal)}nav{display:flex;gap:30px}.header-tag{margin-left:auto;font-size:10px;letter-spacing:1.5px;color:var(--muted)}main{max-width:1280px;margin:36px auto 50px;padding:0 28px}.hero{display:grid;grid-template-columns:1.2fr 1fr;background:var(--navy);color:white;min-height:410px;overflow:hidden;position:relative;border-radius:5px}.hero-text{padding:48px 48px 40px;z-index:1}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;display:flex;align-items:center;gap:8px}.eyebrow span{width:7px;height:7px;background:#31d6d6;border-radius:50%}h1{font-size:52px;line-height:1.08;letter-spacing:-2px;margin:25px 0 18px}h1 em{font-style:normal;color:#45d0d4}.hero p{color:#c0d6df;max-width:400px;font-size:15px;line-height:1.65}.primary{background:var(--teal);color:white;border:0;border-radius:3px;padding:16px 23px;display:inline-flex;justify-content:space-between;align-items:center;gap:38px;font-size:14px;font-weight:700;transition:background .2s}.primary:hover{background:#008993}.primary:disabled{background:#9aaeb4;cursor:default}.hero .primary{margin-top:10px}.hero-meta{font-size:11px;color:#adc5d0;margin-top:22px}.hero-meta>span:not([id]){padding:0 9px;color:#45d0d4}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:43px 0 22px}.dark{color:var(--teal)}h2{font-size:28px;letter-spacing:-.7px;margin:10px 0 0}.section-heading p{font-size:13px;color:var(--muted);margin-bottom:4px}.learning-layout{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}.topics{display:grid;grid-template-columns:1fr 1fr;gap:16px}.topic-card{background:white;border:1px solid var(--line);border-radius:5px;min-height:170px;padding:23px;text-align:left;color:var(--ink);transition:transform .2s,border-color .2s;position:relative}.topic-card:hover{transform:translateY(-3px);border-color:var(--teal)}.topic-card .icon{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;background:#e9f6f7;color:#008c99;font-size:21px;border-radius:4px}.topic-card .count{float:right;font-size:11px;color:var(--muted);margin-top:13px}.topic-card h3{font-size:18px;margin:17px 0 8px}.topic-card p{color:var(--muted);font-size:12px;margin:0;line-height:1.5;padding-right:20px}.topic-card .arrow{position:absolute;right:22px;bottom:24px;color:var(--teal)}.setup{padding:28px;background:white;border:1px solid var(--line);border-top:3px solid var(--teal);border-radius:5px}.pill{display:inline-block;color:#008b95;background:#e8f6f6;font-size:10px;font-weight:700;letter-spacing:1px;padding:8px 10px;border-radius:3px}.setup h3{font-size:25px;margin:20px 0 10px;letter-spacing:-.6px}.setup p{color:var(--muted);font-size:13px;line-height:1.6}.setup label{display:block;font-size:12px;font-weight:700;margin:21px 0 9px}select{width:100%;background:#fafcfc;border:1px solid var(--line);padding:12px 10px;color:var(--ink);border-radius:3px;font-size:12px}.full{width:100%;margin-top:25px}.setup .setup-note{font-size:11px;text-align:center;margin:20px 0 0}.saved{font-size:12px;color:#008b95;margin-top:16px}.saved:empty{display:none}.source-note{border-top:1px solid var(--line);margin-top:32px;padding-top:24px;display:flex;align-items:center;gap:18px}.source-icon{font-size:30px;color:var(--teal)}.source-note strong{font-size:13px}.source-note p{font-size:11px;line-height:1.7;color:var(--muted);max-width:720px;margin-bottom:0}.source-note>a{white-space:nowrap;margin-left:auto;font-size:12px;color:#008b95;text-decoration:none}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:25px max(6%,calc((100vw - 1224px)/2));font-size:11px;color:var(--muted);background:white}.quiz-top{display:flex;justify-content:space-between;margin:10px 0 35px;font-size:13px;color:var(--muted)}.text-button{border:0;background:transparent;color:var(--ink);padding:10px 0;font-size:13px}.progress-head{display:flex;justify-content:space-between;font-size:13px;margin-bottom:12px}progress{width:100%;height:7px;border:0;display:block;border-radius:5px;overflow:hidden;background:#dce5e8}progress::-webkit-progress-bar{background:#dce5e8}progress::-webkit-progress-value{background:var(--teal)}progress::-moz-progress-bar{background:var(--teal)}#quiz{max-width:820px;margin:auto}.question-card{background:white;border:1px solid var(--line);padding:38px;margin-top:25px;border-radius:5px}.question-card h1{font-size:29px;line-height:1.35;letter-spacing:-.7px}.question-instruction{color:var(--muted);font-size:13px}.answer{width:100%;display:flex;gap:16px;align-items:center;text-align:left;background:#fafcfc;border:1px solid var(--line);color:var(--ink);padding:17px;margin:11px 0;border-radius:4px;font-size:14px;line-height:1.5}.letter{border:1px solid #cddcdf;min-width:30px;height:30px;display:grid;place-items:center;font-size:12px;border-radius:3px}.answer.selected{border-color:var(--teal);background:#eaf8f8}.answer.correct{border-color:#27975c;background:#edf8f1}.answer.wrong{border-color:#c94747;background:#fff0ef}.answer:disabled{cursor:default;color:var(--ink);opacity:1}.question-actions{display:flex;justify-content:end;margin-top:25px}#feedback{background:#edf8f1;border-left:3px solid #27975c;padding:20px;font-size:14px;line-height:1.7;margin-top:22px}#feedback.error{background:#fff0ef;border-color:#c94747}#feedback p{margin:8px 0} .source-link{font-size:12px;color:#007d88}.result-card{text-align:center;background:white;padding:40px;border:1px solid var(--line);border-radius:5px}.result-card h1{font-size:36px}.result-number{color:var(--teal);font-size:72px;font-weight:700;letter-spacing:-3px;margin:28px 0 15px}.result-card p{color:var(--muted)}.result-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:30px}.secondary{border:1px solid var(--teal);background:white;color:#008b95;padding:15px 23px;border-radius:3px;font-weight:700}.review-item{background:white;border:1px solid var(--line);padding:23px;margin:14px 0;border-radius:4px}.review-item summary{cursor:pointer;font-weight:700;font-size:15px;line-height:1.6}.review-item p{font-size:14px;line-height:1.7}.review-status{display:block;font-size:11px;color:#008b95;margin-bottom:6px}.review-status.error{color:#b23c3c}@media(min-width:1500px){main{margin-top:50px}}@media(max-width:1000px){header{gap:30px;padding:0 28px}.header-tag{display:none}.hero-text{padding:35px}.hero h1{font-size:44px}.learning-layout{grid-template-columns:1fr 290px}.topic-card{padding:20px}.source-note>a{white-space:normal}}@media(max-width:720px){header{height:85px;padding:0 20px;gap:15px;justify-content:space-between}.brand{font-size:21px}.brand-symbol{font-size:35px}.brand small{font-size:7px;letter-spacing:1px}nav{gap:15px}.nav{font-size:11px}main{padding:0 18px;margin-top:20px}.hero{grid-template-columns:1fr}.hero-text{padding:32px 27px}.hero h1{font-size:43px}.section-heading{display:block;margin-top:30px}.section-heading p{line-height:1.6}.learning-layout{grid-template-columns:1fr}.topics{gap:12px}.topic-card{padding:18px;min-height:175px}.topic-card h3{font-size:16px}.topic-card .count{font-size:10px}.topic-card p{font-size:11px}.setup{padding:25px}.source-note{align-items:start}.source-note>a{display:none}footer{padding:23px;display:block;line-height:1.8}footer>span{display:block}.question-card{padding:25px 20px}.question-card h1{font-size:23px}.quiz-top{margin-bottom:20px}.result-card{padding:28px 20px}.result-card h1{font-size:29px}.result-number{font-size:60px}.answer{padding:13px;font-size:13px}.result-actions{gap:12px}}

/* Official WESTbahn media retain their original colors and proportions. */
.westbahn-brand{margin-left:auto;display:flex;flex-direction:column;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}.westbahn-brand img{width:174px;height:auto;object-fit:contain}.westbahn-brand span{font-size:8px;letter-spacing:1.6px;color:var(--muted)}
.hero-photo{margin:0;position:relative;min-height:410px;background:#125368;overflow:hidden}.hero-photo>img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center}.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,51,75,.85),transparent 55%);pointer-events:none}.hero-photo figcaption{position:absolute;bottom:27px;left:28px;right:22px;z-index:1;display:flex;flex-direction:column;gap:13px}.hero-photo figcaption>span:first-child{font-size:10px;letter-spacing:1.7px;font-weight:700}.hero-photo figcaption .media-credit{color:#d7e9ed;font-size:10px;text-decoration:none}
.railway-feature{display:grid;grid-template-columns:1fr 1fr;background:white;border:1px solid var(--line);border-radius:5px;overflow:hidden;margin-top:28px}.railway-feature figure{position:relative;margin:0;min-height:260px;background:#125368}.railway-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.railway-feature figcaption{position:absolute;bottom:0;left:0;right:0;padding:30px 18px 14px;background:linear-gradient(transparent,rgba(7,51,75,.8));color:white;font-size:10px}.railway-feature figcaption .media-credit{text-decoration:none}.railway-feature>div{padding:38px;align-self:center}.railway-feature p{color:var(--muted);font-size:14px;line-height:1.7}
@media(max-width:1000px){header{gap:25px}.westbahn-brand img{width:140px}.brand{font-size:23px}.railway-feature>div{padding:28px}}
@media(max-width:720px){header{height:auto;min-height:105px;flex-wrap:wrap;padding:16px 20px;gap:14px}.westbahn-brand{order:1}.westbahn-brand img{width:115px}.westbahn-brand span{font-size:6px;letter-spacing:.8px}header nav{order:2;width:100%;justify-content:center;border-top:1px solid var(--line);gap:35px}.nav{padding:10px 0}.hero-photo{min-height:260px}.hero-photo figcaption{left:22px;bottom:20px}.railway-feature{grid-template-columns:1fr}.railway-feature figure{min-height:230px}.railway-feature>div{padding:27px}}

.signal-figure{margin:22px 0;background:#f5f8f9;border:1px solid var(--line);border-radius:5px;padding:22px;display:flex;align-items:center;flex-direction:column;gap:15px}.signal-figure img{max-width:100%;width:auto;height:240px;object-fit:contain;background:white;border-radius:3px;padding:10px}.signal-figure figcaption{font-size:11px;color:var(--muted);text-align:center}.review-item .signal-figure img{height:170px}@media(max-width:720px){.signal-figure{padding:16px}.signal-figure img{height:210px}}

.signal-note{margin:0;max-width:570px;color:var(--ink);font-size:13px;line-height:1.6;text-align:center}.signal-figure img.tone-sequence{height:70px;max-width:420px}.review-item .signal-figure img.tone-sequence{height:45px}#signal-group{font-size:11px}

/* Both faces share a grid cell so long answers determine the card height. */
#cards{max-width:820px;margin:auto}.cards-heading{font-size:32px;letter-spacing:-.7px;margin:0 0 28px}.flashcard{perspective:1400px;margin-top:25px}.flashcard-inner{display:grid;transform-style:preserve-3d;transition:transform .65s cubic-bezier(.2,.75,.25,1)}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-face{grid-area:1/1;min-width:0;min-height:370px;padding:32px;background:white;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 30px #07334b0d;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow-wrap:anywhere}.flashcard-back{transform:rotateY(180deg);background:#edf8f8;border-top:4px solid var(--teal)}.flashcard-face h2{font-size:25px;line-height:1.4;margin:22px 0;letter-spacing:-.4px}.flashcard-back p{font-size:16px;line-height:1.8}.cards-actions{display:flex;justify-content:space-between;gap:16px;margin-top:25px}#cards-done{margin-top:25px}@media(max-width:720px){.flashcard-face{padding:24px 20px;min-height:340px}.flashcard-face h2{font-size:21px}.cards-heading{font-size:27px}.cards-actions{flex-wrap:wrap}.cards-actions button{flex:1;justify-content:center;white-space:nowrap}}@media(prefers-reduced-motion:reduce){.flashcard-inner{transition:none}}

.mode-picker{text-align:center;margin:38px auto 32px;max-width:1000px}.mode-picker>.eyebrow{justify-content:center}.mode-options{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.mode-option{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 20px;background:white;border:2px solid var(--line);border-radius:8px;color:var(--ink);text-align:center}.mode-option.selected{border-color:var(--teal);background:#eaf8f8}.mode-option:hover{border-color:var(--teal)}.mode-option strong{font-size:18px}.mode-option>span:last-child{font-size:13px;line-height:1.6;color:var(--muted)}.mode-icon{font-size:28px;color:#008b95}.flashcard{cursor:pointer}.flashcard:focus-visible{outline:3px solid #e0ab22;outline-offset:5px}.flashcard-face{display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;min-height:400px}.flashcard-face h2{margin:0;max-width:660px}.flashcard-front #cards-image{width:100%;display:flex;justify-content:center}.flashcard-front img{max-width:100%;width:auto;max-height:320px;object-fit:contain}.card-hint{text-align:center;font-size:12px;color:var(--muted);margin:20px 0}#cards-details{padding:20px 24px;border-left:3px solid var(--teal);background:#edf8f8;border-radius:4px}#cards-details p{margin:0 0 12px;font-size:14px;line-height:1.8}#cards-topic{margin-top:22px}@media(max-width:720px){.mode-options{grid-template-columns:1fr;gap:10px}.mode-option{padding:18px}.flashcard-face{min-height:340px}.flashcard-front img{max-height:280px}}

/* Compact learning dashboard with one continuous setup flow. */
#home{max-width:1080px;margin:auto}.welcome{display:grid;grid-template-columns:1fr 270px;align-items:center;gap:36px;margin:0 0 28px}.welcome h1{font-size:38px;line-height:1.2;letter-spacing:-1px;margin:14px 0 10px}.welcome-copy>p{font-size:15px;line-height:1.6;color:var(--muted);margin:0}.welcome-stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.welcome-stats span{font-size:11px;color:var(--muted);background:white;border:1px solid var(--line);border-radius:20px;padding:7px 12px}.welcome-photo{height:150px;position:relative;margin:0;border-radius:8px;overflow:hidden;background:var(--navy)}.welcome-photo img{width:100%;height:100%;object-fit:cover}.welcome-photo figcaption{position:absolute;bottom:0;left:0;right:0;padding:18px 10px 8px;background:linear-gradient(transparent,#07334bcc);color:white;font-size:9px}.training-panel{background:white;border:1px solid var(--line);border-radius:12px;padding:30px}.step-heading{display:flex;gap:12px;align-items:center;text-align:left}.step-heading h2{font-size:20px;letter-spacing:-.4px;margin:0}.step-number{display:grid;place-items:center;width:28px;height:28px;flex-shrink:0;background:#e8f6f6;color:#008b95;font-size:12px;font-weight:700;border-radius:50%}.training-panel .mode-picker{margin:0;max-width:none;text-align:left}.training-panel .mode-options{margin-top:18px;gap:14px}.training-panel .mode-option{padding:20px 16px;gap:8px;min-height:140px}.training-panel .mode-icon{font-size:24px}.training-panel .mode-option strong{font-size:16px}.training-panel .mode-option>span:last-child{font-size:12px}.training-panel .setup{border:0;border-top:1px solid var(--line);border-radius:0;padding:24px 0 0;margin-top:26px}.setup-fields{display:flex;flex-wrap:wrap;gap:16px;margin-top:18px}.setup-fields>div{flex:1 1 220px;min-width:0}.setup-fields label{margin:0 0 9px}.setup-fields select{font-size:13px;padding:13px;width:100%;min-height:45px}.training-start{display:flex;justify-content:space-between;align-items:center;gap:24px;border-top:1px solid var(--line);padding-top:22px;margin-top:24px}#training-summary{font-size:13px;font-weight:700;line-height:1.7;color:var(--ink);margin:0}.training-start .saved{font-size:11px;margin-top:7px;color:var(--muted)}.training-start .primary{flex-shrink:0;min-width:210px}.topic-browser{margin-top:22px;border:1px solid var(--line);border-radius:8px;background:white}.topic-browser>summary{padding:19px 22px;cursor:pointer;font-size:14px;font-weight:700}.topic-browser>summary>span{float:right;font-size:12px;font-weight:400;color:var(--muted)}.topic-browser .topics{padding:0 20px 20px;grid-template-columns:repeat(3,1fr);gap:12px}.topic-browser .topic-card{min-height:145px;padding:18px}.topic-browser .topic-card h3{font-size:16px;margin-top:12px}.topic-browser .topic-card.selected{border-color:var(--teal);background:#eaf8f8}.quick-round{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:15px}.quick-round p{font-size:12px;color:var(--muted)}.quick-round .text-button{font-size:12px;color:#008b95}.source-note{margin-top:22px}.quiz-top{align-items:center;gap:16px}.quiz-top>span{text-align:right}#quiz,#cards{padding-bottom:20px}@media(max-width:720px){.welcome{grid-template-columns:1fr;gap:0;margin-bottom:22px}.welcome-photo{display:none}.welcome h1{font-size:30px}.welcome-copy>p{font-size:13px}.training-panel{padding:20px}.training-panel .mode-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.training-panel .mode-option{padding:14px 8px;min-height:125px}.training-panel .mode-option strong{font-size:12px}.training-panel .mode-option>span:last-child{font-size:10px;line-height:1.5}.step-heading h2{font-size:18px}.setup-fields{gap:14px}.setup-fields>div{flex-basis:100%}.training-start{flex-direction:column;align-items:stretch;gap:16px}.training-start .primary{width:100%;justify-content:space-between}.topic-browser .topics{grid-template-columns:1fr 1fr;padding:0 12px 12px}.topic-browser>summary{padding:18px 14px}.topic-browser>summary>span{display:none}.quick-round{flex-wrap:wrap;gap:0;margin-top:12px}.quick-round p{margin-right:8px}.quiz-top{font-size:11px}.source-note p{font-size:11px}}@media(max-width:380px){.training-panel .mode-options{grid-template-columns:1fr}.training-panel .mode-option{min-height:0;display:grid;grid-template-columns:25px 1fr;text-align:left}.training-panel .mode-option>span:last-child{grid-column:2}.topic-browser .topics{grid-template-columns:1fr}}

.cards-status{font-size:12px;color:var(--muted);text-align:right;margin:14px 0 0}.cards-understood{border-color:#27975c;color:#237c4c;background:#edf8f1}.cards-understood:hover{background:#ddf1e4}.cards-actions{flex-wrap:wrap}.cards-actions button{flex:1;justify-content:center;gap:12px}@media(max-width:720px){.cards-actions button{flex-basis:100%}}

.training-panel .mode-options{grid-template-columns:repeat(4,minmax(0,1fr))}#typed-answer-field{margin:22px 0}#typed-answer-field label{display:block;font-size:13px;font-weight:700;margin-bottom:10px}#typed-answer{width:100%;border:1px solid var(--line);border-radius:5px;padding:16px;font:inherit;font-size:16px;color:var(--ink);background:#fafcfc}#typed-answer:focus-visible{outline:3px solid var(--teal);outline-offset:2px}#typed-answer:disabled{opacity:1;background:#edf3f4}select:disabled{opacity:.7}@media(max-width:900px){.training-panel .mode-options{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:380px){.training-panel .mode-options{grid-template-columns:1fr}}

.learning-library{margin-top:32px}.library-heading{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:18px}.library-heading h2{font-size:25px}.library-heading>p{font-size:12px;line-height:1.6;color:var(--muted);max-width:290px;margin:0}.library-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.library-layout .topic-browser{margin:0}.library-layout .topic-browser>summary{border-bottom:1px solid var(--line);font-size:16px}.library-intro{font-size:12px;line-height:1.6;color:var(--muted);padding:0 20px;margin:16px 0}.library-layout .topics{grid-template-columns:1fr;gap:10px}.library-layout .topic-card{min-height:0;display:grid;grid-template-columns:34px 1fr auto;gap:5px 12px;padding:15px;align-items:center}.library-layout .topic-card .icon{grid-column:1;grid-row:1/3;width:34px;height:34px}.library-layout .topic-card .count{grid-column:3;grid-row:1;float:none;margin:0}.library-layout .topic-card h3{grid-column:2;grid-row:1;margin:0;font-size:14px}.library-layout .topic-card p{grid-column:2/4;grid-row:2;font-size:11px;padding:0}.library-layout .topic-card .arrow{display:none}.knowledge-block{background:white;border:1px solid var(--line);border-radius:8px;padding:22px}.knowledge-heading h3{font-size:21px;margin:14px 0 8px}.knowledge-heading>p{font-size:12px;line-height:1.7;color:var(--muted);margin-bottom:20px}.knowledge-block>label{display:block;font-size:12px;font-weight:700;margin-bottom:9px}.knowledge-block>select{font-size:12px;margin-bottom:12px}.knowledge-entry{border-bottom:1px solid var(--line)}.knowledge-entry>summary{cursor:pointer;padding:17px 4px;font-size:13px;line-height:1.6}.knowledge-topic{display:block;color:#008b95;font-size:10px;letter-spacing:.6px;margin-left:16px;margin-bottom:3px}.knowledge-entry>summary>strong{font-size:13px}.knowledge-article{padding:16px 4px;border-top:1px dashed var(--line)}.knowledge-article h4{font-size:13px;line-height:1.6;margin:0 0 8px}.knowledge-article p{font-size:12px;line-height:1.8;margin:0 0 12px}.knowledge-article .source-link{font-size:11px}.knowledge-article .signal-figure{margin:12px 0;padding:14px}.knowledge-article .signal-figure img{height:150px}.knowledge-note{font-size:11px;color:var(--muted);line-height:1.7;margin:18px 0 0}.knowledge-entry>summary:focus-visible,.topic-browser>summary:focus-visible{outline:3px solid #e0ab22;outline-offset:3px}@media(max-width:720px){.library-layout{grid-template-columns:1fr}.library-heading{display:block}.library-heading>p{max-width:none;margin-top:12px}.library-layout .topics{grid-template-columns:1fr;padding:0 12px 12px}.library-layout .topic-card h3{font-size:13px}.knowledge-block{padding:20px}.library-intro{padding:0 14px}.library-layout .topic-browser>summary>span{display:inline}}

.combined-library .topic-browser{margin:16px 0}.combined-library #knowledge-content{background:#f5f8f9;border:1px solid var(--line);border-radius:6px;padding:20px;margin:20px 0}.combined-library #knowledge-content h3{font-size:18px;margin:0 0 10px}.combined-library #knowledge-content p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}.combined-library>select{max-width:420px}.combined-library .topics{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:720px){.combined-library .topics{grid-template-columns:1fr 1fr}}@media(max-width:400px){.combined-library .topics{grid-template-columns:1fr}}

.mixed-block{display:grid;grid-template-columns:1fr 310px;gap:30px;align-items:center;background:#eaf6f7;border:1px solid #c9e4e7;border-radius:10px;padding:28px;margin-top:24px}.mixed-block h2{font-size:25px;margin:15px 0 12px}.mixed-block>div>p{font-size:13px;line-height:1.8;color:var(--muted);max-width:550px}.mixed-types{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:18px 0 0}.mixed-types li{font-size:11px;padding:7px 10px;background:white;border:1px solid var(--line);border-radius:20px}.mixed-start label{display:block;font-size:12px;font-weight:700;margin-bottom:9px}.mixed-start .full{margin-top:14px}.mixed-start>p{font-size:11px!important;margin-bottom:0}@media(max-width:720px){.mixed-block{grid-template-columns:1fr;gap:20px;padding:22px}.mixed-block h2{font-size:23px}}

/* Shared railway backdrop behind floating learning panels. */
body.app-page,body.login-page{background:#07334b}body.app-page::before,body.login-page::before{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(7,35,52,.75),rgba(7,51,75,.42)),url('https://corporate.westbahn.at/uploads/Z%C3%BCge/2_Westbahn_alternative.jpg') center/cover no-repeat;pointer-events:none}.app-page header{background:rgba(255,255,255,.96);box-shadow:0 4px 24px #00000015}.app-page .welcome{display:block;background:rgba(255,255,255,.94);border:1px solid #ffffff80;border-radius:12px;padding:28px;box-shadow:0 12px 36px #00000018}.app-page .training-panel,.app-page .combined-library,.app-page .mixed-block,.app-page .question-card,.app-page .result-card,.app-page .review-item{box-shadow:0 14px 38px #00192728}.app-page .library-heading{color:white}.app-page .library-heading .dark{color:#73e3e6}.app-page .library-heading>p{color:#e1eef2}.app-page .source-note{background:rgba(255,255,255,.94);border-radius:10px;border:0;padding:22px}.app-page .quiz-top,.app-page .progress-head,.app-page .cards-heading,.app-page .cards-status,.app-page .card-hint{color:white}.app-page .quiz-top .text-button{color:white}.app-page #cards-topic{background:white}.background-credit{font-size:10px;color:#dae9ef;text-align:center;margin:24px 0}.login-layout{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto;padding:30px 20px}.login-card{width:100%;max-width:430px;padding:36px;background:#fffffffa;border:1px solid #ffffff80;border-radius:14px;box-shadow:0 20px 60px #00192755}.login-logo{display:block;width:180px;height:auto;margin:0 auto 28px}.login-card h1{font-size:30px;letter-spacing:-.7px;line-height:1.2;margin:22px 0 12px}.login-card>p{font-size:13px;line-height:1.7;color:var(--muted)}.login-card label{display:block;font-size:12px;font-weight:700;margin:22px 0 9px}.login-card input{width:100%;padding:14px;border:1px solid var(--line);border-radius:4px;font:inherit;background:#fafcfc;color:var(--ink)}.login-card input:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.login-card .login-note{font-size:11px;text-align:center;margin:22px 0 0}.login-card .login-error{background:#fff0ef;border-left:3px solid #c94747;color:#a12e2e;padding:12px}nav form{margin:0}.logout{color:#008b95}@media(max-width:720px){.app-page .welcome{padding:22px}.login-card{padding:28px 24px}.app-page .source-note{padding:18px}.app-page .library-heading>p{color:#e1eef2}}

body.app-page,body.login-page{isolation:isolate;min-height:100vh}

.admin-layout{max-width:1080px}.admin-panel{background:white;border:1px solid var(--line);border-radius:10px;padding:28px;margin:22px 0;box-shadow:0 14px 38px #00192728}.admin-panel h2{margin:0 0 16px;font-size:24px}.admin-panel p{font-size:13px;line-height:1.7;color:var(--muted)}.admin-panel form{display:flex;flex-direction:column;gap:16px;margin:20px 0}.admin-panel label{font-size:12px;font-weight:700;display:block}.admin-panel input,.admin-panel textarea,.admin-panel select{display:block;width:100%;padding:12px;margin-top:8px;border:1px solid var(--line);border-radius:4px;font:inherit;color:var(--ink);font-size:14px;background:#fafcfc}.admin-panel textarea{resize:vertical}.admin-panel button{align-self:start}.admin-users{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.admin-user{padding:20px;border:1px solid var(--line);border-radius:6px;overflow-wrap:anywhere}.admin-user h3{font-size:18px;margin:0}.admin-user form+form{border-top:1px solid var(--line);padding-top:20px}.admin-message{padding:16px 22px;color:var(--ink);background:#fff0d7;border-radius:5px}.admin-panel input:focus-visible,.admin-panel textarea:focus-visible{outline:3px solid var(--teal);outline-offset:2px}@media(max-width:720px){.admin-users{grid-template-columns:1fr}.admin-panel{padding:22px}.admin-panel button{width:100%;justify-content:center}}