.cs-app{--cs-accent:#6b57d9;--cs-text:#252b3f;--cs-muted:#858b9c;--cs-line:#e9eaf1;display:flex;min-height:850px;color:var(--cs-text);background:#f7f8fc;font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;border:1px solid var(--cs-line);border-radius:18px;overflow:hidden;text-align:left}.cs-app *{box-sizing:border-box}.cs-app button,.cs-app input,.cs-app select{font:inherit}.cs-app button{cursor:pointer;color:inherit;background:transparent;border:0;line-height:1.5}.cs-app button:disabled{opacity:.45;cursor:default}.cs-app :focus-visible{outline:3px solid #a79bea;outline-offset:3px}.cs-app h1,.cs-app h2,.cs-app h3,.cs-app p{margin:0}.cs-app h1{font-size:30px;letter-spacing:-.8px;line-height:1.25;margin:8px 0 10px;font-weight:750}.cs-app h2{font-size:20px;line-height:1.4;font-weight:650}.cs-app h3{font-size:15px;font-weight:650}.cs-app p{color:#6d7487}.cs-app a{color:inherit;text-decoration:none}.cs-app small{display:block;font-size:11px;color:var(--cs-muted)}.cs-side{width:238px;flex-shrink:0;background:white;display:flex;flex-direction:column;padding:30px 18px 20px;border-right:1px solid var(--cs-line)}.cs-brand{display:flex;gap:11px;align-items:center;padding:0 6px 35px;font-size:23px;font-weight:750;letter-spacing:-1px}.cs-brand-light{font-weight:400}.cs-brand small{letter-spacing:0;font-size:10px;font-weight:400;margin-top:1px}.cs-logo{background:var(--cs-accent);color:#fff;width:36px;height:36px;display:grid;place-items:center;border-radius:11px;font-size:21px;flex-shrink:0}.cs-nav-label{color:#a0a5b6;font-size:10px;font-weight:700;letter-spacing:1.3px;margin:16px 12px 10px}.cs-side nav{display:flex;flex-direction:column;gap:5px}.cs-side nav button{display:flex;align-items:center;gap:12px;width:100%;padding:12px;border-radius:9px;text-align:left;font-size:13px;white-space:nowrap;color:var(--cs-accent);background:#f0edfd;font-weight:650}.cs-side nav span{font-size:19px;width:20px;text-align:center}.cs-side-foot{margin-top:auto;padding:30px 8px 0;font-size:12px}.cs-main{flex:1;min-width:0}.cs-top{height:76px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--cs-line);padding:0 36px;font-size:12px}.cs-muted{color:var(--cs-muted)}.cs-pill{padding:5px 10px;background:#f1eefc;color:var(--cs-accent);border-radius:6px;font-size:11px;font-weight:600}.cs-content{padding:32px 36px;max-width:1500px;margin:auto}.cs-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:26px}.cs-heading p{font-size:13px}.cs-selection{display:flex;gap:20px;margin-bottom:26px;align-items:flex-start}.cs-selection>label{width:190px;flex-shrink:0;color:#72788a;font-size:11px;font-weight:650}.cs-app select{display:block;width:100%;border:1px solid #e0e1ea;border-radius:8px;background:#fff;padding:11px;margin-top:7px;color:var(--cs-text)}.cs-selection fieldset{border:0;padding:0;margin:0;flex:1;min-width:0;display:flex;flex-wrap:wrap;gap:8px}.cs-selection legend{font-size:11px;font-weight:650;color:#72788a;margin-bottom:7px}.cs-source{display:flex;align-items:center;gap:9px;border:1px solid #e3e2ef;border-radius:8px;background:#fff;padding:10px 13px;font-size:11px;cursor:pointer;max-width:100%}.cs-source.chosen{border-color:#bdb1ed;background:#f6f3ff;color:#5542b6}.cs-app input[type=checkbox]{accent-color:var(--cs-accent);width:15px;height:15px;flex-shrink:0;margin:0}.cs-panel{border:1px solid var(--cs-line);background:white;border-radius:12px;overflow:hidden}.cs-tools{padding:20px}.cs-search{display:flex;align-items:center;border:1px solid var(--cs-line);border-radius:7px;background:#fcfcfe;padding:7px 12px;gap:10px}.cs-search span{font-size:22px;color:#9196a7}.cs-search input{border:0;outline:none;background:transparent;width:100%;min-width:0;color:var(--cs-text);font-size:12px;padding:0}.cs-table-head{display:flex;align-items:center;justify-content:space-between;background:#fbfbfd;border-top:1px solid var(--cs-line);border-bottom:1px solid var(--cs-line);padding:12px 20px;font-size:10px;color:#9298a8;gap:12px}.cs-row{display:flex;gap:20px;align-items:center;padding:24px 25px;border-bottom:1px solid #eff0f5}.cs-row:last-child{border:0}.cs-row:hover{background:#fcfcfd}.cs-row-title{flex:1;min-width:0}.cs-row-title button{font-weight:450;text-align:left;font-size:14px;line-height:1.45;color:#4d4f56;padding:0}.cs-row-source{font-size:12px;color:#888b92;margin-top:7px}.cs-row-meta{display:flex;align-items:center;flex-wrap:wrap;gap:15px;color:#878990;font-size:11px;margin-top:7px}.cs-warning{color:#a87522!important;background:#fff6e5;border-radius:4px;padding:2px 6px;font-size:10px}.cs-open-reader{font-size:12px!important;color:var(--cs-accent)!important;white-space:nowrap}.cs-primary{background:var(--cs-accent)!important;color:white!important;padding:10px 16px!important;border-radius:7px;font-weight:600!important;font-size:12px!important}.cs-primary:hover{background:#5946bd!important}.cs-quiet{padding:9px 12px!important;border-radius:7px;font-size:12px!important;color:#72798d!important}.cs-quiet:hover{background:#f4f1ff!important;color:var(--cs-accent)!important}.cs-empty{padding:45px 26px;text-align:center;color:#959cad}.cs-empty h2{margin-bottom:10px}.cs-notice{padding:12px 15px;background:#fff4dc;color:#79571f;border:1px solid #ecd79f;border-radius:9px;margin-bottom:16px}.cs-library-tabs{display:flex;gap:8px;border-bottom:1px solid var(--cs-line);margin-bottom:22px;overflow:auto}.cs-library-tabs button{padding:11px 17px;font-size:12px;white-space:nowrap;color:#868b99;border-bottom:2px solid transparent}.cs-library-tabs button.active{border-color:var(--cs-accent);color:var(--cs-accent);font-weight:650}.cs-reading-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:20px;align-items:start}.cs-section-nav{padding:18px;position:sticky;top:15px}.cs-section-nav nav{display:flex;flex-direction:column;gap:5px;max-height:68vh;overflow-y:auto;margin-top:14px}.cs-section-nav nav button{padding:10px;text-align:left;border-radius:7px;font-size:12px;color:#737a8c}.cs-section-nav nav button.active{background:#f0edfd;color:var(--cs-accent);font-weight:600}.cs-section-nav select{display:none}.cs-reader{padding:28px}.cs-reader-info{display:flex;justify-content:space-between;gap:15px;font-size:11px;color:#9096a4;border-bottom:1px solid var(--cs-line);padding-bottom:14px;margin-bottom:20px}.cs-docx-content{overflow-wrap:anywhere;font-family:"Segoe UI",Arial,sans-serif;scroll-margin-top:25px}.cs-docx-content p{color:#4d4d4d;white-space:pre-wrap}.cs-docx-content span{max-width:100%}.cs-docx-content img{max-width:100%;height:auto}.cs-docx-content table{display:block;overflow:auto}.cs-reader-controls{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;border-top:1px solid var(--cs-line);padding-top:20px;margin-top:24px}.cs-sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
@media(max-width:1100px){.cs-side{width:195px;padding:24px 10px}.cs-brand{font-size:20px;gap:7px}.cs-content{padding:25px 20px}.cs-top{padding:0 20px}.cs-selection{flex-direction:column;gap:15px}.cs-selection>label{width:100%}.cs-reading-layout{grid-template-columns:190px minmax(0,1fr)}.cs-reader{padding:22px}}
@media(max-width:760px){.cs-app{display:block;border-radius:10px;min-height:600px}.cs-side{width:100%;padding:15px;border:0;border-bottom:1px solid var(--cs-line)}.cs-brand{padding:0 0 12px;font-size:21px}.cs-side nav button{width:fit-content;font-size:11px;gap:6px;padding:9px}.cs-side nav span{font-size:15px;width:15px}.cs-nav-label,.cs-side-foot{display:none}.cs-top{height:54px;padding:0 16px;font-size:10px}.cs-content{padding:22px 14px}.cs-app h1{font-size:25px}.cs-heading p{font-size:12px}.cs-source{font-size:10px;padding:9px}.cs-selection{margin-bottom:18px}.cs-tools{padding:14px}.cs-search{padding:5px 10px}.cs-table-head{padding:12px;font-size:9px}.cs-table-head span:last-child{display:none}.cs-row{padding:20px 15px;gap:13px}.cs-row-title button{font-size:12px}.cs-row-source,.cs-row-meta{font-size:10px}.cs-row-meta{gap:10px}.cs-open-reader{font-size:11px!important}.cs-library-tabs button{padding:10px;font-size:11px}.cs-reading-layout{display:flex;flex-direction:column}.cs-section-nav{position:static;width:100%}.cs-section-nav select{display:block;font-size:12px;white-space:normal}.cs-section-nav nav{display:none}.cs-reader{padding:20px;width:100%}.cs-reader-controls button{width:100%}.cs-app h2{font-size:18px}}

.cs-app .cs-back{background:#f4f1ff!important;color:var(--cs-accent)!important;font-weight:600!important}

.cs-app .cs-back{background:var(--cs-accent)!important;color:#fff!important;font-weight:700!important;font-size:14px!important;padding:12px 20px!important;border:2px solid var(--cs-accent)!important;box-shadow:0 3px 8px rgba(107,87,217,.18);margin-bottom:12px}.cs-app .cs-back:hover{background:#5946bd!important;border-color:#5946bd!important}
/* Complete rounded outline around the selected library tab. */
.cs-library-tabs{border-bottom:0;padding:4px 2px;gap:12px}
.cs-library-tabs button{border:2px solid transparent;border-radius:14px;padding:11px 18px;font-weight:600}
.cs-library-tabs button.active{border:2px solid var(--cs-accent);background:#f4f1ff;color:var(--cs-accent);font-weight:700}
.cs-library-tabs button:hover{background:#f4f1ff}
@media(max-width:760px){.cs-library-tabs{gap:8px}.cs-library-tabs button{padding:10px 13px;font-size:12px}}
/* Learning and practice */
.cs-qpanel{padding:26px;margin:18px 0}.cs-qpanel>p{margin:12px 0}.cs-qpanel select,.cs-qpanel input[type=number],.cs-qnote textarea{display:block;width:100%;padding:12px;border:1px solid #d9dce7;border-radius:10px;background:white;color:#252b3f;margin:7px 0 16px}.cs-qform{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.cs-qoptions{border:0;padding:0;margin:24px 0}.cs-qoption{display:flex;align-items:baseline;gap:12px;padding:17px;border:1px solid #e6e7ef;border-radius:10px;margin:10px 0;cursor:pointer}.cs-qoption input{accent-color:#6b57d9;flex-shrink:0}.cs-qoption.correct{background:#e6f5eb;border-color:#64ac7d}.cs-qoption.incorrect{background:#fff0f0;border-color:#d68b8b}.cs-qbadge{margin-left:auto;color:#24673d;font-size:12px;white-space:nowrap}.cs-qfeedback{background:#f0edff;padding:18px;border-radius:12px}.cs-qfeedback p{margin-top:8px}.cs-qactions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.cs-qnote{display:block;margin-top:22px}.cs-qstats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}.cs-qstats>div{padding:24px;border-radius:15px;background:#f0edff;font-size:25px;font-weight:700}.cs-qresults{margin-top:25px}.cs-qpanel h2{overflow-wrap:anywhere}.cs-qpanel label{min-width:0}.cs-qpanel select{max-width:100%}@media(max-width:760px){.cs-qpanel{padding:16px}.cs-qform{grid-template-columns:1fr}.cs-qstats{grid-template-columns:1fr}.cs-qoption{padding:12px;flex-wrap:wrap}.cs-qbadge{margin-left:26px}.cs-qactions button{width:100%}}
.cs-side nav button{background:transparent;color:#7c8398;font-weight:500}.cs-side nav button.active{background:#f0edfd;color:#6b57d9;font-weight:700}.cs-qoption{display:block;line-height:1.7}.cs-qoption input{margin-right:10px}.cs-qoption strong{margin-right:8px}.cs-qbadge{display:inline-block;margin-left:10px}@media(max-width:760px){.cs-side nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}.cs-side nav button{width:100%;white-space:normal}.cs-qbadge{margin-left:0}}
.cs-sync-status:not(:empty){padding:10px 14px;margin-bottom:16px;border-radius:9px;background:#f0edfd;color:#5946bb;font-size:12px}

/* Spațiu între selector și litera variantei. */
.cs-qoption input{margin-right:20px}

/* Intrarea Materie păstrează evidențierea discretă în roșu. */
.cs-side nav button[data-action="home"]{color:#cf4048}
.cs-side nav button[data-action="home"].active{color:#cf4048;background:rgba(220,53,69,.09)}
.cs-side nav button[data-action="home"]:hover{background:rgba(220,53,69,.09)}

/* Protecție la selectare în aplicație; câmpurile rămân editabile. */
.cs-app.cs-protected,.cs-app.cs-protected *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.cs-app input,.cs-app textarea,.cs-app [contenteditable="true"],.cs-app [contenteditable="true"] *,.cs-app [contenteditable=""],.cs-app [contenteditable=""] *{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}
.cs-app.cs-protected input,.cs-app.cs-protected textarea,.cs-app.cs-protected [contenteditable="true"],.cs-app.cs-protected [contenteditable="true"] *,.cs-app.cs-protected [contenteditable=""],.cs-app.cs-protected [contenteditable=""] *{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}
/* Editor de materie pentru administratori. */
.cs-matter-actions{display:flex;gap:10px;flex-wrap:wrap}.cs-matter-dialog{box-sizing:border-box;width:min(960px,calc(100% - 24px));max-height:92dvh;border:1px solid #ded8ed;border-radius:18px;padding:24px;color:#252239;background:#fff;font:16px/1.5 system-ui,sans-serif;box-shadow:0 24px 90px #21183b40}.cs-matter-dialog::backdrop{background:#18112688}.cs-matter-dialog *{box-sizing:border-box}.cs-matter-dialog h2{margin:0}.cs-matter-form>label{display:block;margin:12px 0}.cs-matter-form input:not([type=checkbox]){display:block;width:100%;padding:10px;border:1px solid #cfc9dc;border-radius:8px;font:inherit}.cs-matter-dialog button{padding:9px 13px;border:1px solid #d9d3e5;border-radius:8px;background:#f6f3fb;color:#382e50;cursor:pointer;font:inherit}.cs-matter-dialog .cs-primary{background:#5946bd!important;color:#fff!important;border-color:#5946bd}.cs-matter-toolbar{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0 8px}.cs-matter-body{min-height:260px;max-height:45dvh;overflow:auto;padding:18px;border:1px solid #bdb4ce;border-radius:10px;outline-color:#7043bf;user-select:text;-webkit-user-select:text}.cs-matter-body *{user-select:text;-webkit-user-select:text}.cs-matter-check input{margin-right:10px}.cs-matter-footer{display:flex;justify-content:flex-end;gap:10px}.cs-matter-error{color:#a51e2e}.cs-matter-dialog button:disabled{opacity:.6;cursor:wait}@media(max-width:600px){.cs-matter-dialog{padding:16px}.cs-matter-actions{margin-top:12px}.cs-matter-toolbar button{font-size:14px;padding:7px}.cs-matter-body{padding:12px}.cs-matter-footer{flex-wrap:wrap}}
.cs-access-message{max-width:440px;margin:40px auto;padding:28px;border:1px solid #e0d9ed;border-radius:18px;background:#fff;color:#29243b;font:16px/1.5 system-ui,sans-serif;box-shadow:0 12px 40px #49356612}.cs-access-message label{display:block}.cs-access-message input:not([type=checkbox]):not([type=submit]){width:100%;box-sizing:border-box;border:1px solid #cfc5df;padding:12px;border-radius:8px;font:inherit}.cs-access-message input[type=submit]{border:0;border-radius:8px;padding:12px 20px;background:#7043bf;color:white;cursor:pointer;font:inherit}.cs-access-message .login-remember label{display:flex;align-items:center;gap:8px}