.workspace.has-karte{grid-template-columns:78px minmax(0,1fr)}
.karte-page{height:100%;min-width:0;overflow:hidden;background:#f4f6f8;color:#24334a;display:flex;flex-direction:column}
.karte-header{flex-shrink:0;padding:24px 30px 18px;border-bottom:1px solid #dfe5eb;background:white}
.karte-header h1{font-size:25px;margin:4px 0 6px}.karte-header p{margin:0;font-size:13px}
.karte-layout{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:0;flex:1}
.karte-sidebar{padding:22px 18px;overflow:auto;border-right:1px solid #dfe5eb;background:#fff}
.karte-sidebar form,.karte-actions{display:grid;gap:12px}.karte-actions{margin:20px 0}.karte-sidebar .field{margin:0}
.karte-detail{padding:28px clamp(18px,3vw,46px);overflow:auto;min-width:0;scrollbar-gutter:stable}
.karte-student-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
.karte-student-head h2{font-size:24px;margin:7px 0 10px;overflow-wrap:anywhere}.karte-student-number{font-size:13px;color:#66788f;font-weight:600}
.karte-level{display:inline-block;border-radius:6px;background:#e4ecef;color:#335761;font-size:12px;padding:4px 10px}
.karte-next{background:#203d4d;color:white;border-radius:14px;padding:22px 26px;display:grid;grid-template-columns:160px minmax(0,1fr);gap:18px;margin-bottom:18px}
.karte-next .eyebrow{color:#9dcecb}.karte-next h3{font-size:14px;margin:8px 0}.karte-next-progress{font-size:20px;font-weight:650;margin:0 0 12px;white-space:pre-wrap;overflow-wrap:anywhere}
.karte-homework{font-size:14px;line-height:1.7;margin:0 0 10px;white-space:pre-wrap;overflow-wrap:anywhere}.karte-next small{color:#bdd1db}
.karte-basic,.karte-entry,.karte-lesson,.karte-import-card,.karte-import-form{border:1px solid #dfe5eb;border-radius:12px;background:#fff;margin:14px 0;padding:18px 22px}
.karte-page summary{cursor:pointer;font-size:14px;font-weight:600;padding:4px 0}.karte-page summary:focus-visible{outline:2px solid #187f87;outline-offset:4px}
.karte-info-grid,.karte-lesson-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px 28px;margin:18px 0 4px}.karte-value{min-width:0}.karte-value dt{font-size:12px;color:#687a8b;font-weight:600;margin-bottom:6px}.karte-value dd{margin:0;font-size:14px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}
.karte-lesson-fields .karte-value:nth-child(2),.karte-lesson-fields .karte-value:nth-child(3),.karte-lesson-fields .karte-value:last-child{grid-column:1/-1}
.karte-entry{border-left:3px solid #238481}.karte-entry-form{padding-top:18px}.karte-entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.karte-entry-grid .field:nth-child(n+3){grid-column:1/-1}.karte-entry-grid .field:nth-child(6){grid-column:auto}
.karte-page textarea,.karte-page input,.karte-page select{width:100%;box-sizing:border-box}.karte-page textarea{resize:vertical;line-height:1.6;min-height:68px}
.karte-section-title{display:flex;align-items:center;justify-content:space-between;margin:30px 0 8px}.karte-section-title h3{font-size:17px;margin:0}.karte-section-title span{font-size:13px}
.karte-lesson header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid #edf0f3}.karte-lesson header>div{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.karte-lesson time{font-size:15px;font-weight:700}.karte-lesson header span{font-size:13px}.karte-source{color:#718594;font-size:11px!important}
.karte-warning{background:#fff5dd;border:1px solid #f0ddb2;color:#79580f;border-radius:7px;padding:10px 12px;font-size:13px}
.karte-original{white-space:pre-wrap;overflow-wrap:anywhere;font-family:inherit;font-size:13px;line-height:1.65;color:#4d6273;background:#f7f9fb;padding:14px;border-radius:6px;max-height:420px;overflow:auto}
.karte-student{width:100%;display:flex;align-items:flex-start;gap:6px;border:1px solid #d8e2e9;border-radius:9px;background:#fff;padding:13px;text-align:left;margin:10px 0;cursor:pointer}.karte-student>span{display:grid;gap:5px}.karte-student small{color:#6c7e91}.karte-student:hover{background:#edf5f4;border-color:#278780}
.karte-empty{font-size:14px;color:#67798c;line-height:1.8;padding:16px 0}.karte-import-form>textarea{min-height:240px}.karte-import-card h3{font-size:17px;margin:3px 0 10px}
.karte-confirm{display:flex;gap:10px;align-items:center;font-size:14px;margin:20px 0}.karte-confirm input{width:18px;height:18px}.karte-confirm[hidden]{display:none}
.read-receipt-button{border:0;background:transparent;color:#557078;padding:5px 3px;min-height:32px;font:inherit;font-size:11px;cursor:pointer;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}.read-receipt-button:focus-visible{outline:2px solid #21787e;border-radius:3px}
.read-receipt-list{list-style:none;padding:0;margin:12px 0;max-height:50vh;overflow:auto}.read-receipt-list li{padding:12px 4px;border-bottom:1px solid #edf0f3;font-size:15px}
@media(max-width:900px){.karte-layout{grid-template-columns:220px minmax(0,1fr)}.karte-detail{padding:22px 16px}.karte-next{grid-template-columns:1fr;padding:20px;gap:6px}.karte-next h3{margin:4px 0 10px}}
@media(max-width:760px){.workspace.has-karte{display:grid;grid-template-columns:60px minmax(0,1fr);grid-template-rows:minmax(0,1fr)}.workspace.has-karte>.rail{grid-column:1;grid-row:1;min-height:0;max-height:100%;overflow-y:auto}.workspace.has-karte>.karte-page{grid-column:2;grid-row:1;width:100%;min-height:0}.karte-header{padding:18px 18px 14px}.karte-header h1{font-size:21px}.karte-layout{display:flex;flex-direction:column;flex:1 1 0;min-height:0;overflow-y:auto;overscroll-behavior:contain;scroll-padding:12px;padding-bottom:env(safe-area-inset-bottom)}.karte-sidebar,.karte-detail{flex:0 0 auto;min-width:0}.keyboard-open .karte-header{padding:8px 16px}.keyboard-open .karte-header h1{margin:0;font-size:18px}.keyboard-open .karte-header .eyebrow,.keyboard-open .karte-header p{display:none}.karte-sidebar{overflow:visible;padding:16px 18px;border-right:0;border-bottom:1px solid #dfe5eb}.karte-sidebar form{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}.karte-sidebar form>.btn{grid-column:1/-1}.karte-actions{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.karte-sidebar>p{display:none}.karte-detail{overflow:visible;padding:20px 16px}.karte-student-head{align-items:flex-start;flex-wrap:wrap}.karte-student-head h2{font-size:21px}.karte-info-grid,.karte-lesson-fields,.karte-entry-grid{grid-template-columns:1fr}.karte-entry-grid .field{grid-column:auto!important}.karte-basic,.karte-entry,.karte-lesson,.karte-import-card,.karte-import-form{padding:16px}.karte-page input,.karte-page select,.karte-page textarea{font-size:16px}.karte-next-progress{font-size:18px}}

/* Karte editors have one scroll area above the on-screen keyboard. */
.karte-editor-form input,.karte-editor-form select,.karte-editor-form textarea{width:100%;box-sizing:border-box;min-width:0}
@media(max-width:760px),(max-width:1000px) and (pointer:coarse){
 .karte-entry>.karte-entry-form{display:none}
 .modal:has(.karte-editor-form)[open]{display:flex;flex-direction:column;position:fixed;inset:auto 0 auto 0;top:var(--ara-vv-top,0px);margin:0;width:100%;max-width:none;height:var(--ara-vv-height,100dvh);max-height:var(--ara-vv-height,100dvh);min-height:0;border:0;border-radius:0;overflow:hidden;box-sizing:border-box}
 .modal:has(.karte-editor-form) .modal-head{flex:0 0 auto;min-height:54px;box-sizing:border-box;padding:10px 14px;gap:10px}
 .modal:has(.karte-editor-form) .modal-head h2{font-size:16px;line-height:1.4;min-width:0;overflow-wrap:anywhere}
 .modal:has(.karte-editor-form) .modal-head .icon-btn{flex:0 0 36px}
 .modal:has(.karte-editor-form) .modal-content{flex:1 1 0;min-height:0;max-height:none;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:16px 18px max(24px,env(safe-area-inset-bottom));scroll-padding:16px;box-sizing:border-box}
 .karte-editor-form{padding-top:0;min-width:0}
 .karte-editor-form .karte-entry-grid{grid-template-columns:minmax(0,1fr);gap:16px}
 .karte-editor-form .field{grid-column:auto!important;min-width:0}
 .karte-editor-form input,.karte-editor-form select,.karte-editor-form textarea{font-size:16px;scroll-margin-block:16px}
 .karte-editor-form textarea,.karte-page textarea{min-height:68px;max-height:max(72px,calc(var(--ara-vv-height,100dvh) - 160px));resize:vertical;overflow-y:auto;line-height:1.6}
 .karte-import-form>textarea{min-height:min(240px,max(72px,calc(var(--ara-vv-height,100dvh) - 160px)))}
 .karte-editor-form>button[type=submit]{margin-top:16px;width:100%;min-height:44px}
}