:root{--green:#1c6552;--ink:#202c28;--muted:#77817b;--line:#e2e6df;--paper:#f7f8f3}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px Manrope,Arial,sans-serif;line-height:1.65}button,a,input,textarea{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #b19b48;outline-offset:3px}aside{width:282px;background:#fff;position:fixed;inset:0 auto 0 0;border-right:1px solid var(--line);padding:32px 25px;display:flex;flex-direction:column}.brand{font-size:25px;font-weight:800;letter-spacing:-1px;color:var(--ink);text-decoration:none}.brand span{color:#9bb779}.course-label,.nav-label,.eyebrow{font-size:10px;font-weight:800;letter-spacing:1.8px;color:var(--muted)}.course-label{margin-top:40px}aside h2{font-size:29px;line-height:1.25;margin:12px 0} .muted{color:var(--muted);font-size:13px}.nav-label{margin:40px 0 16px}.nav{border:0;background:none;text-align:left;width:100%;padding:12px;border-radius:8px;color:#647169;margin-bottom:5px;font-size:12px}.nav.active{background:#eaf1e8;color:var(--green);font-weight:800}.later{font-size:11px;color:#919991;border-top:1px solid #edf0ea;padding:14px 8px}.later span{margin-right:8px}.later small{display:block;padding-left:25px;font-size:10px}.aside-bottom{margin-top:auto;font-size:11px;color:#7b857d;padding-top:20px}.dot{display:inline-block;width:6px;height:6px;background:#7ba572;border-radius:50%;margin-right:6px}.aside-bottom button{display:block;border:0;background:none;padding:14px 0 0;color:#56665d;font-size:11px}main{margin-left:282px;padding:0 clamp(24px,3vw,80px);min-width:0;max-width:none}header{display:flex;justify-content:space-between;align-items:center;padding:25px 0;border-bottom:1px solid var(--line);color:#7b847e;font-size:11px}header b{padding:0 12px;color:#b4bcb5}.badge{padding:4px 11px;border:1px solid #d9dfd3;border-radius:30px;font-size:10px}.hero{display:grid;grid-template-columns:1fr 225px;gap:24px;padding:48px 0 35px}.eyebrow{color:var(--green)}h1{font-size:clamp(30px,3.1vw,48px);line-height:1.18;letter-spacing:-1.6px;font-weight:600;margin:18px 0} .intro{color:#788177;max-width:600px;font-size:14px;line-height:1.8}.art{background:#e9eedf;border-radius:16px;position:relative;display:grid;place-content:center;min-height:220px;overflow:hidden}.art:before,.art:after{content:'';position:absolute;width:180px;height:180px;border:1px solid #cbd5bb;border-radius:50%;top:20px;left:23px}.art:after{width:250px;height:250px;top:-15px;left:-12px}.art strong{z-index:1;font-size:75px;font-weight:500;color:#41684b;transform:rotate(-8deg)}.art small{position:absolute;bottom:15px;left:20px;letter-spacing:2px;font-size:9px;color:#6e8060}.stats{display:flex;gap:32px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}.stats strong{font-size:19px;font-weight:600;margin-right:8px}.stats span{font-size:11px;color:#7b8479}.section-head{display:flex;justify-content:space-between;align-items:center;margin:34px 0 16px}h2{font-size:21px;font-weight:600;letter-spacing:-.4px}.section-head span{color:#8b9389;font-size:11px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{border:1px solid var(--line);background:#fff;border-radius:12px;padding:22px;display:flex;flex-direction:column;min-height:265px}.card.locked{background:#f0f2ec}.card-top{display:flex;justify-content:space-between;font-size:10px;color:#6a796c}.number{font-size:28px;color:#b0bda8;line-height:1}.card h3{font-size:18px;font-weight:600;line-height:1.4;margin:25px 0 8px;letter-spacing:-.4px}.card p{font-size:11px;color:#7f877d;margin:0 0 20px}.card button{margin-top:auto;align-self:flex-start;background:none;border:0;color:var(--green);padding:0;font-size:12px;font-weight:700}.card button:disabled{color:#8d968a;cursor:default}.note{display:flex;gap:18px;border:1px solid #dce4d3;background:#edf2e7;padding:20px 24px;border-radius:10px;margin-top:24px}.note strong{font-size:12px}.note p{font-size:12px;color:#75816e;margin:4px 0}.note-icon{font-size:22px;color:#6f895a}footer{border-top:1px solid var(--line);font-size:10px;color:#979e93;margin-top:44px;padding:22px 0}.primary{background:var(--green);color:white;border:0;border-radius:7px;padding:12px 20px}.back{border:0;background:none;color:var(--green);padding:24px 0 0}.lesson-head{max-width:none;margin-bottom:30px}.lesson-head h1{font-size:38px}.reading{width:100%;max-width:none;min-width:0}.block{border:1px solid var(--line);background:white;border-radius:12px;padding:25px 30px;margin-bottom:14px}.block h2{margin:0 0 12px;font-size:20px}.block p{white-space:pre-line;font-size:15px;line-height:1.9;margin:0;color:#536157}.quiz{background:#edf2e7}.question{padding:18px 0;border-bottom:1px solid #d8e0d0}.question label{display:block;font-size:13px;padding:7px 0;cursor:pointer}.feedback{font-size:13px;margin:12px 0;color:var(--green)}textarea{width:100%;min-height:130px;border:1px solid #d9dfd4;border-radius:8px;padding:15px;background:#fafbf7;color:var(--ink)}.admin-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}.admin-row input{width:20px;height:20px;accent-color:var(--green)}dialog{border:1px solid var(--line);border-radius:14px;max-width:430px;padding:32px;width:calc(100% - 30px)}dialog::backdrop{background:#172a2266;backdrop-filter:blur(4px)}dialog input{display:block;width:100%;padding:12px;border:1px solid var(--line);border-radius:6px;margin:8px 0 20px}.close{float:right;border:0;background:none;font-size:25px}#loginError{color:#ac403b;font-size:13px}#toast{position:fixed;bottom:20px;right:20px;background:var(--green);color:white;padding:12px 20px;border-radius:8px;display:none}@media(min-width:1500px){main{padding:0 75px}}@media(max-width:1050px){aside{width:235px;padding:25px 18px}main{margin-left:235px;padding:0 28px}.hero{grid-template-columns:1fr 150px}.art{min-height:190px}.cards{gap:10px}.card{padding:16px}}@media(max-width:760px){aside{position:static;width:auto;padding:18px 20px;display:block}aside h2,.course-label,aside .muted,.nav-label,.later{display:none}.brand{font-size:22px}#nav{display:flex;flex-wrap:wrap}#nav .nav{width:auto}.aside-bottom{padding-top:0}.aside-bottom .dot,.aside-bottom>span{display:none}.aside-bottom button{padding:5px 0}.nav{width:auto;display:inline-block}.aside-bottom{position:absolute;top:15px;right:20px}main{margin:0;padding:0 20px}.hero{grid-template-columns:1fr;padding-top:30px}.art{display:none}.cards{grid-template-columns:1fr}.card{min-height:210px}.stats{gap:15px;flex-wrap:wrap}.stats strong{font-size:16px}.block{padding:20px}.lesson-head h1{font-size:30px}h1{letter-spacing:-1px}.section-head span{display:none}}@media print{aside,header,footer,.back,.quiz button,.primary{display:none}main{margin:0;padding:0}.block{break-inside:avoid}.hero{display:block}}

/* Каталог полного курса */
aside{overflow-y:auto}.nav-label{margin-top:24px}#nav{flex:1;overflow-y:auto;min-height:140px;margin-bottom:12px}.nav small{display:block;font-weight:400;color:#7a8879;font-size:10px;padding-left:25px}.nav span{font-weight:800;margin-right:5px}.aside-bottom{flex-shrink:0;background:white}.admin-topic{margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}.download{display:inline-block;color:var(--green);font-weight:700;padding:10px 0}.block a{color:var(--green)}@media(max-width:760px){#overview{display:block;margin-top:12px}#nav{display:flex;flex-wrap:nowrap;overflow-x:auto;min-height:0;max-height:130px}#nav .nav{min-width:190px;max-width:220px;font-size:11px;white-space:normal}.aside-bottom{background:transparent}.cards{grid-template-columns:1fr}}
/* Самостоятельный учебный маршрут */
.goal{background:#eaf1e5;border-left:4px solid #779965;padding:18px 22px;border-radius:0 10px 10px 0;margin:24px 0}.goal p{margin:6px 0 0;font-size:16px;line-height:1.7}.study-jumps{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.study-jumps a{padding:8px 12px;border:1px solid #cbd8c5;border-radius:7px;color:var(--green);font-size:12px;text-decoration:none;background:white}.lesson-outline{padding:20px 25px;margin:0 0 25px;background:#edf1e9;border-radius:10px}.lesson-outline ol{padding-left:22px;margin-bottom:0}.lesson-outline a{color:#4e6453;font-size:13px;text-decoration:none}.lesson-outline li{padding:3px 0}.block[id]{scroll-margin-top:20px}.block-heading{display:flex;align-items:flex-start;gap:14px}.step-number{font-size:13px;font-weight:800;color:#8b9b80;min-width:25px;padding-top:4px}.block .study-paragraph{margin:12px 0;line-height:1.95;overflow-wrap:anywhere}.block .study-paragraph:last-child{margin-bottom:0}.lab-actions{display:flex;flex-wrap:wrap;gap:9px;margin:15px 0}.secondary{border:1px solid #cbd7c5;border-radius:7px;background:white;color:#285b45;padding:9px 13px;font-size:12px}.lab-body label{display:block;font-size:13px;font-weight:600;margin:12px 0}.lab-body input,.lab-body select{width:100%;padding:10px;border:1px solid #cdd8c6;background:white;border-radius:6px;margin-top:5px;color:#283c2c}.lab-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0 14px}.lab-body textarea{min-height:160px;margin-top:6px;font-weight:400}.code-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.lab-body .code{min-height:370px;font-family:ui-monospace,monospace;font-size:12px;tab-size:2;white-space:pre;line-height:1.65}.preview-wrap{width:100%;max-width:100%;overflow:auto;border:1px solid #d4ddce;background:#e8eae4;border-radius:8px}.preview-wrap iframe{display:block;width:100%;max-width:100%;height:380px;border:0;background:white}.lab-notice{padding:12px;background:#e7efe1;color:#315e3a;font-size:13px!important;white-space:pre-wrap}.lab-notice:empty{display:none}.table-scroll{width:100%;overflow:auto}.lab-body table{border-collapse:collapse;width:100%;font-size:12px}.lab-body th,.lab-body td{border:1px solid #d6dfcf;padding:9px;white-space:nowrap;text-align:left}.lab-body th{background:#e6edde}.versions{max-height:220px;overflow:auto;border:1px solid #dde5d7;padding:10px;border-radius:7px}.versions p{font-size:12px;margin:7px 0}.restore-result{background:#eff3ea;padding:15px;border-radius:8px;overflow-wrap:anywhere}.restore-result:empty{display:none}.mock-site{background:white;border:1px solid #d7dfd2;border-radius:8px;padding:24px}.mock-url{font-family:monospace;font-size:12px!important}.certificate-data dl{display:grid;grid-template-columns:150px 1fr;gap:6px;font-size:13px}.certificate-data dd{margin:0;overflow-wrap:anywhere}.chart-area svg{width:100%;height:auto;max-width:680px;border:1px solid #d5ddce;border-radius:6px}.image-canvas{display:block;max-width:100%;height:auto;max-height:650px;object-fit:contain;border:1px solid #d4ddce;background:#eee}.media-preview{max-width:100%;border:1px solid #d8dfd1;border-radius:8px;padding:15px;overflow-wrap:anywhere}.media-preview:empty{display:none}.media-preview figure{margin:0}.media-preview img{display:block;max-width:100%;height:auto}.workbook label{font-size:12px;font-weight:700}.report-field{min-height:400px;margin-top:10px;line-height:1.8}.study-checks{margin:20px 0}.study-checks label{display:flex;align-items:flex-start;gap:10px;padding:11px 0;border-bottom:1px solid #e3e8dd;font-size:14px;cursor:pointer}.study-checks input{flex-shrink:0;width:18px;height:18px;accent-color:var(--green);margin-top:4px}.solution{background:#f0f4e9;padding:16px;border:1px solid #d8e1ce;border-radius:8px}.solution summary{cursor:pointer;color:var(--green);font-weight:700;font-size:14px}.solution p{margin-top:14px;white-space:pre-line}.question{border:0;border-bottom:1px solid #d5dfcc;margin:15px 0;padding:15px 0}.question legend{font-weight:700;font-size:14px}.study-paragraph{white-space:pre-line}button:disabled{cursor:not-allowed}.laboratory{border:2px solid #c7d6bd;background:#fdfefb}.lab-feedback p{font-size:13px;margin:8px 0}#checkProgress{font-weight:700;color:var(--green)}
@media(max-width:1000px){.code-grid{grid-template-columns:1fr}.lab-body .code{min-height:250px}}@media(max-width:500px){.lab-grid{grid-template-columns:1fr}.certificate-data dl{grid-template-columns:1fr}.certificate-data dt{font-weight:700}.block{padding:18px}.study-jumps a{font-size:11px}.report-field{min-height:450px}.goal{padding:15px}.study-paragraph{font-size:15px!important}}@media print{.lab-actions,.study-jumps,.solution summary{display:none}.preview-wrap iframe{height:400px}.report-field{min-height:300px}.laboratory{break-inside:auto}.block{break-inside:auto}.lesson-outline{display:none}}

.print-report{display:none}@media print{.print-report{display:block;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.6 Arial}.report-field{display:none}}

/* Фирменный знак: две страницы и единая опора */
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;line-height:1;text-decoration:none;letter-spacing:normal}.brand-mark{width:42px;height:42px;flex:0 0 42px}.brand .brand-copy{display:flex;flex-direction:column;gap:7px;color:var(--ink)}.brand-copy strong{font:700 23px/1 Arial,sans-serif;letter-spacing:-.8px}.brand-copy small{font:600 8px/1 Arial,sans-serif;letter-spacing:1.55px;color:#748175}.brand:hover .brand-mark{filter:brightness(1.08)}@media(max-width:1050px){.brand{gap:9px}.brand-mark{width:37px;height:37px;flex-basis:37px}.brand-copy strong{font-size:21px}.brand-copy small{font-size:7px;letter-spacing:1.3px}}@media(max-width:480px){.aside-bottom{position:static;margin-top:10px;padding-top:0}.aside-bottom button{padding-top:4px}.brand-mark{width:40px;height:40px;flex-basis:40px}.brand-copy strong{font-size:23px}.brand-copy small{font-size:8px}}

/* Растягиваем рабочую область, сохраняя переносы и длину строк. */
#content,.hero>div,.card,.code-grid>label,.lab-body,.reading>.block{min-width:0}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.code-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card h3{overflow-wrap:anywhere}.study-paragraph,.solution>p{max-width:110ch}.lesson-head>.intro{max-width:80ch}.hero .intro{max-width:80ch}.table-scroll{max-width:100%}@media(min-width:1500px){main{padding-inline:clamp(40px,3vw,90px)}.hero{grid-template-columns:minmax(0,1fr) clamp(225px,14vw,340px)}.card{padding:clamp(22px,1.5vw,36px);min-height:285px}.card h3{font-size:clamp(18px,1vw,25px)}.card p{font-size:clamp(12px,.65vw,16px)}.block .study-paragraph{font-size:clamp(15px,.8vw,18px)}}@media(max-width:1000px){.code-grid{grid-template-columns:1fr}}@media(max-width:760px){main{margin-left:0;padding-inline:20px}.cards{grid-template-columns:1fr}}
/* Внутри занятия: полоса чтения и отдельная навигация. Каталог не затрагивается. */
.lesson-page{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:44px;width:100%;max-width:1480px;margin-inline:auto;align-items:start;padding-bottom:20px}.lesson-main{min-width:0}.lesson-page .back{padding-top:25px;margin-bottom:10px}.lesson-page .lesson-head{margin-bottom:28px}.lesson-page .lesson-head h1{font-size:clamp(30px,2.5vw,44px);max-width:26ch;line-height:1.16;margin:18px 0}.lesson-page .lesson-head .intro{font-size:16px;line-height:1.8;max-width:none}.lesson-page .goal{margin:22px 0;padding:18px 22px}.lesson-page .goal p{font-size:16px;line-height:1.75}.lesson-page .reading{width:100%;max-width:none}.lesson-page .reading>.block{margin-bottom:18px;padding:28px 32px;border-radius:12px}.lesson-page .block-heading{gap:12px;margin-bottom:16px}.lesson-page .block-heading h2{font-size:22px;line-height:1.4;margin:0}.lesson-page .block .study-paragraph{font-size:17px;line-height:1.85;max-width:none;margin:12px 0}.lesson-page .solution>p{max-width:none;font-size:16px;line-height:1.85}.lesson-page .step-number{font-size:12px;line-height:1.8;padding-top:3px}.lesson-rail{position:sticky;top:24px;min-width:0;padding-top:28px}.lesson-toc{background:#fff;border:1px solid #dce4d6;border-radius:12px;overflow:hidden}.lesson-toc summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:19px 20px;font-size:14px;font-weight:700;border-bottom:1px solid #e6ebe1}.lesson-toc summary::-webkit-details-marker{display:none}.lesson-toc summary span{font-size:16px;color:#7e8e75}.toc-body{padding:18px 12px 14px;max-height:calc(100vh - 135px);overflow-y:auto;overscroll-behavior:contain}.toc-label{font-size:9px;font-weight:700;letter-spacing:1.4px;color:#87917f;padding:0 8px 12px}.lesson-toc ol{list-style:none;margin:0;padding:0;display:grid;gap:4px}.lesson-toc li{padding:0}.lesson-toc a{display:flex;gap:10px;padding:9px 10px;border-radius:6px;color:#5a695a;font-size:12px;line-height:1.55;text-decoration:none;transition:background .15s,color .15s}.lesson-toc a:hover{background:#f0f4eb;color:#205b40}.lesson-toc a.is-current{background:#e9f1e2;color:#235d42;font-weight:700}.toc-number{font-size:10px;color:#8a9a80;min-width:18px;line-height:1.9;font-weight:700}.toc-actions{margin:16px 8px 0;padding-top:12px;border-top:1px solid #e2e8db;display:grid;gap:4px}.toc-actions a{font-size:12px;font-weight:700;color:#2d644a}.toc-help{font-size:11px!important;line-height:1.65!important;color:#8a9385;margin:14px 8px 0!important}.lesson-page .laboratory .code-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.lesson-page .lab-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.lesson-page .report-field{min-height:430px;font-size:15px}.lesson-page .study-jumps{gap:8px;margin-bottom:16px}.lesson-page #instructions{scroll-margin-top:20px}
@media(min-width:1900px){.lesson-page{gap:52px;grid-template-columns:minmax(0,1fr) 310px}.lesson-page .reading>.block{padding:30px 36px}.lesson-page .block .study-paragraph{font-size:18px}}
@media(max-width:1249px){.lesson-page{grid-template-columns:minmax(0,1fr);max-width:980px;gap:0}.lesson-rail{grid-column:1;grid-row:1;position:static;padding-top:22px;margin-bottom:8px}.lesson-main{grid-column:1;grid-row:2}.lesson-toc:not([open]) summary{border-bottom:0}.toc-body{max-height:380px}.lesson-toc summary{padding:14px 18px}.lesson-page .back{padding-top:15px}.lesson-page .lesson-head h1{max-width:none}.lesson-page .laboratory .code-grid{grid-template-columns:1fr}}
@media(max-width:760px){.lesson-page .reading>.block{padding:22px}.lesson-page .block .study-paragraph{font-size:16px;line-height:1.85}.lesson-page .block-heading h2{font-size:20px}.lesson-page .goal p,.lesson-page .lesson-head .intro{font-size:15px}.lesson-page .lesson-head h1{font-size:30px}.lesson-page .goal{padding:16px}.lesson-page .lab-grid{grid-template-columns:1fr}}
@media(max-width:480px){.lesson-page .reading>.block{padding:18px}.lesson-page .block-heading{gap:8px}.lesson-page .block .study-paragraph{font-size:15px!important}.lesson-page .step-number{min-width:20px}.lesson-page .study-jumps a{font-size:11px}}
@media print{.lesson-page{display:block;max-width:none}.lesson-rail{display:none}.lesson-page .reading>.block{padding:18px;border:1px solid #ddd}.lesson-page .block .study-paragraph{font-size:12px!important}.lesson-page .lesson-head h1{font-size:26px}}

@media screen and (max-width:1700px){.lesson-page .laboratory .code-grid{grid-template-columns:1fr}}

.integration-records,.release-history,.deployment-history{margin-block:14px}.release-history{border:1px solid #d8e0d0;border-radius:8px;background:#f6f8f1;max-height:300px;overflow:auto;padding:12px 16px}.release-history p,.deployment-history p{font-size:13px!important;line-height:1.7!important;margin:10px 0!important}.release-history small{color:#6d7c68;overflow-wrap:anywhere}.seo-output,.encoding-output,.encoding-wrong,.result-count,.ctr-output,.release-status{overflow-wrap:anywhere;font-size:13px!important;line-height:1.8!important}.encoding-output{font-family:ui-monospace,monospace;white-space:pre-wrap}.seo-output{margin-top:12px}.integration-records table{width:100%}
/* Личные кабинеты и журнал преподавателя */
#accountBar{padding:12px 0;border-bottom:1px solid var(--line);margin-bottom:8px;overflow-wrap:anywhere}#accountBar:empty{display:none}#accountBar strong{display:block;font-size:12px;color:#294637}#accountBar small{display:block;font-size:10px;color:#788475}#accountBar button{font-size:10px;padding-top:8px}.signin-card{max-width:480px;margin:65px auto;padding:36px;background:white;border:1px solid var(--line);border-radius:16px}.signin-card h1{font-size:31px;letter-spacing:-1px}.signin-card p{font-size:14px;color:#6d7b6b}.signin-card label,.credential-dialog label,.journal-controls label,.student-create-form label{display:block;font-size:12px;font-weight:700;margin:14px 0 6px}.signin-card input,.credential-dialog input,.journal-controls input,.journal-controls select,.student-create-form input{width:100%;padding:12px;border:1px solid #cdd9c5;border-radius:7px;background:#fbfcf8;margin:6px 0 10px;color:#273b2d}.signin-card .primary{width:100%;margin-top:10px}.form-error{color:#a74736!important}.profile-head{padding:35px 0 15px}.profile-head h1{font-size:36px;margin:12px 0}.profile-head p{color:#778371;font-size:14px}.account-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 25px}.status-chip{display:inline-block;border-radius:20px;padding:5px 10px;font-size:10px;font-weight:700;line-height:1.5;border:1px solid transparent;white-space:nowrap}.status-not_started{background:#f0f2ed;color:#828a7b}.status-in_progress{background:#fff2d8;color:#946c1d}.status-submitted{background:#e6edf9;color:#3b6494}.status-verified{background:#e4f1e0;color:#38683b}.card>.status-chip{align-self:flex-start;margin-top:15px}.status-legend{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.teacher-summary{display:flex;gap:22px;margin:20px 0}.teacher-summary>div{flex:1;border:1px solid var(--line);border-radius:10px;padding:20px;background:white}.teacher-summary strong{display:block;font-size:29px;color:var(--green)}.teacher-summary span{font-size:12px;color:#7d8876}.journal-controls{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin:20px 0}.journal-controls label{min-width:160px;flex:1}.journal-controls .secondary{margin-bottom:16px;text-decoration:none}.matrix-scroll{max-width:100%;max-height:650px;overflow:auto;border:1px solid #d5dfce;border-radius:10px;background:white}.progress-matrix{border-collapse:separate;border-spacing:0;font-size:11px;min-width:100%}.progress-matrix th,.progress-matrix td{border-right:1px solid #e3e9dc;border-bottom:1px solid #e3e9dc;padding:9px;text-align:center}.progress-matrix thead th{position:sticky;top:0;background:#edf2e7;z-index:2;min-width:95px;max-width:120px}.progress-matrix thead th span{display:block;font-size:9px;font-weight:400;line-height:1.4;max-height:50px;overflow:hidden;margin-top:4px}.progress-matrix tr>th:first-child{position:sticky;left:0;min-width:215px;max-width:215px;background:white;text-align:left;z-index:1}.progress-matrix thead th:first-child{z-index:3;background:#edf2e7}.progress-matrix th small{display:block;font-size:9px;font-weight:400;color:#87937d}.matrix-cell{width:42px;height:34px;border:1px solid #dbe2d4;border-radius:7px;font-size:13px;font-weight:700}.matrix-cell:hover{outline:2px solid #9ab78e}.pending-block{margin-top:25px}.pending-item{display:flex;flex-wrap:wrap;align-items:center;gap:10px;width:100%;border:0;border-bottom:1px solid #e1e8d9;background:white;padding:15px 0;text-align:left;font-size:12px;color:#4f674b}.pending-item span{flex:1}.pending-item small{color:#8d9984}.student-create-form{display:flex;gap:15px;align-items:center;flex-wrap:wrap}.student-create-form label{flex:1;min-width:180px}.student-create-form button{align-self:center}.student-account-row,.student-progress-row{display:flex;gap:16px;align-items:center;justify-content:space-between;border-bottom:1px solid #e0e7d7;padding:15px 0}.student-account-row>div,.student-progress-row>div{flex:1}.student-account-row strong,.student-progress-row strong{display:block;font-size:14px}.student-account-row small,.student-progress-row small{display:block;color:#83907b;font-size:11px}.credential-dialog{width:450px;max-width:calc(100% - 30px)}.review-report{min-height:340px;font-size:14px;line-height:1.8}.lab-state-summary{max-height:350px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px;background:#f3f6ee;padding:15px;border-radius:7px}.review-actions{margin-bottom:30px}.student-work-status{margin-top:20px;border:1px solid #d9e2d0;background:#fff;border-radius:10px;padding:16px}.student-work-status .lab-actions{margin-bottom:0}.cloud-save-state{font-size:11px!important;color:#7b8971;margin:8px 0!important;line-height:1.5!important}.teacher-feedback{font-size:13px!important;color:#3d5f37;white-space:pre-line;overflow-wrap:anywhere}.teacher-feedback:empty{display:none}.student-work-status .primary,.student-work-status .secondary{font-size:11px}.card .status-chip{margin-bottom:0}@media(max-width:760px){#accountBar{margin:0;padding:8px 0}#accountBar strong{font-size:11px}.aside-bottom{position:static!important;margin-top:10px}.teacher-summary{gap:8px}.teacher-summary>div{padding:12px}.teacher-summary strong{font-size:24px}.student-progress-row{flex-wrap:wrap}.student-progress-row>div{flex-basis:100%}.signin-card{margin:25px auto;padding:24px}.profile-head h1{font-size:28px}.progress-matrix tr>th:first-child{min-width:160px;max-width:160px}.journal-controls{display:grid;grid-template-columns:1fr}.journal-controls label{margin:0}.journal-controls .secondary{margin-bottom:0}.student-work-status .lab-actions{gap:6px}}@media print{.account-tabs,.journal-controls,#accountBar{display:none}.matrix-scroll{max-height:none;overflow:visible}.student-work-status .lab-actions{display:none}}

.student-account-row .danger{color:#a13b30;border-color:#ddb7b1}.student-account-row .danger:hover{background:#fff0ed}@media(max-width:760px){.student-account-row{flex-wrap:wrap}.student-account-row>div{flex-basis:100%}}

.practice-task{padding:22px 0;border-top:1px solid var(--line)}.practice-task h3{font-size:20px;line-height:1.4;margin:10px 0}.practice-task label{display:block;margin-top:15px;font-size:13px;font-weight:600}.practice-task textarea{display:block;width:100%;box-sizing:border-box;padding:14px;margin-top:8px;resize:vertical;border:1px solid #cdd9c5;border-radius:8px;background:#fff;font:15px/1.7 inherit;color:var(--ink)}.practice-progress{padding:14px;border-radius:8px;background:#edf2e7;font-size:13px}.practice-task .solution{margin-top:14px}.practice-task textarea:disabled{opacity:1;background:#f5f7f2;color:#465448}.practice-budget{margin:18px 0;color:var(--green);font-size:14px}

.practice-review pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.8 ui-monospace,monospace;background:#f5f7f2;padding:15px;border-radius:8px}.practice-task textarea{font-family:inherit;font-size:15px;line-height:1.7}

/* Liquid Glass · единая типографика и голубая/коралловая палитра */
:root{
 --green:#2864bf; --ink:#23364f; --muted:#586b83; --line:rgba(131,157,195,.25); --paper:#edf3fc;
 --glass:rgba(255,255,255,.72); --blue:#2864bf; --coral:#bc5164;
 --text:17px; --ui:15px; --meta:13px;
 --glass-shadow:0 12px 38px rgba(51,82,132,.07),inset 0 1px 0 rgba(255,255,255,.95);
}
html{font-size:17px;scroll-behavior:smooth}
body{
 font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
 font-size:var(--text);line-height:1.75;color:var(--ink);
 background:#edf3fc;
 background-image:radial-gradient(ellipse at 12% 3%,rgba(158,202,255,.6),transparent 42%),radial-gradient(ellipse at 96% 28%,rgba(255,192,202,.48),transparent 43%),radial-gradient(ellipse at 55% 100%,rgba(178,211,255,.4),transparent 55%);
 background-attachment:fixed;
}
button,input,select,textarea,a{font-family:inherit}
button,input,select,textarea{font-size:var(--ui)}
button,a,input,select,textarea{transition:background .18s,border-color .18s,box-shadow .18s}
a{color:var(--blue)}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
 outline:3px solid rgba(54,121,221,.6);outline-offset:4px;
}
button:disabled{opacity:.65}
aside{
 background:rgba(248,251,255,.67);border-right:1px solid rgba(255,255,255,.9);
 backdrop-filter:blur(28px) saturate(150%);-webkit-backdrop-filter:blur(28px) saturate(150%);
 box-shadow:8px 0 40px rgba(67,97,148,.04);padding:28px 22px;
}
.brand{gap:11px}.brand span{color:var(--ink)}.brand-copy strong{font-size:24px!important;color:var(--ink);letter-spacing:-.7px}
.brand-copy small{font-size:11px!important;letter-spacing:1.6px;color:var(--muted)!important}
.brand-mark{filter:drop-shadow(0 5px 10px rgba(44,100,190,.18))}
.course-label,.nav-label,.eyebrow,.toc-label{font-size:var(--meta)!important;letter-spacing:1.3px;line-height:1.6;font-weight:650}
.course-label{margin-top:30px}.nav-label{margin:26px 0 12px}
aside h2{font-size:27px;line-height:1.25;letter-spacing:-.7px}
aside>.muted{font-size:var(--ui)!important;line-height:1.7}
#nav{margin-top:5px;scrollbar-width:thin;scrollbar-color:#b4c9e7 transparent}
.nav,#nav .nav{font-size:14px!important;line-height:1.6;color:#415773;padding:12px;border:1px solid transparent;border-radius:14px;margin-bottom:5px;white-space:normal}
.nav:hover{background:rgba(255,255,255,.6);border-color:rgba(255,255,255,.9)}
.nav.active{color:#2156a5;background:linear-gradient(120deg,rgba(255,255,255,.92),rgba(213,231,255,.8));border-color:rgba(255,255,255,.95);box-shadow:0 4px 15px rgba(61,111,187,.07);font-weight:650}
.nav small{font-size:var(--meta)!important;color:var(--muted);padding-left:0;margin-top:4px;line-height:1.5}
.aside-bottom{background:transparent;font-size:var(--meta);color:var(--muted)}
.aside-bottom button{font-size:14px;color:var(--blue)}.dot{background:#6d9ee6;box-shadow:0 0 0 4px rgba(119,165,234,.12)}
#accountBar{border-color:var(--line);padding-top:16px;margin-top:6px}
#accountBar strong{font-size:var(--ui)!important;color:var(--ink)}#accountBar small{font-size:var(--meta)!important;color:var(--muted)}
#accountBar button{font-size:14px!important;color:var(--blue)}
main{padding:0 clamp(26px,3.2vw,78px)}
header{font-size:14px;color:var(--muted);padding:24px 0;border-color:var(--line)}
header b{color:#869bb7}.badge{font-size:var(--meta)!important;color:#476182;background:rgba(255,255,255,.56);border-color:rgba(255,255,255,.9);padding:6px 13px}
h1,.lesson-page .lesson-head h1,.profile-head h1{font-size:clamp(32px,3vw,46px);font-weight:650;line-height:1.2;letter-spacing:-1.4px;color:#213753}
h2,.block h2,.lesson-page .block-heading h2{font-size:24px!important;line-height:1.4;font-weight:650;letter-spacing:-.5px;color:var(--ink)}
h3,.card h3,.practice-task h3{font-size:20px!important;line-height:1.5;font-weight:650;letter-spacing:-.3px;color:var(--ink)}
p,.intro,.muted,.block p,.lesson-page .block .study-paragraph,.lesson-page .solution>p,.profile-head p,.goal p,.lesson-page .goal p{
 font-size:var(--text)!important;line-height:1.8!important;color:var(--muted);
}
.intro{max-width:70ch}.hero{padding:45px 0 30px;gap:32px}
.eyebrow{color:var(--blue)}
.art{
 background:linear-gradient(140deg,rgba(255,255,255,.8),rgba(175,211,255,.5) 55%,rgba(255,193,204,.55));
 border:1px solid rgba(255,255,255,.95);border-radius:30px;box-shadow:var(--glass-shadow);
 backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.art:before,.art:after{border-color:rgba(255,255,255,.85)}.art strong{color:#4675bb;font-size:72px}.art small{color:#526a8b;font-size:11px;letter-spacing:1.4px}
.stats{gap:28px;padding:20px 0;border-color:var(--line);flex-wrap:wrap}
.stats strong{font-size:23px;color:var(--ink)}.stats span{font-size:14px;color:var(--muted)}
.section-head{gap:18px;margin:34px 0 20px}.section-head span{font-size:14px;color:var(--muted)}
.card,.block,.lesson-page .reading>.block,.teacher-summary>div,.signin-card,.student-work-status,.lesson-toc,.matrix-scroll,dialog{
 background:var(--glass);border:1px solid rgba(255,255,255,.95);border-radius:22px;
 box-shadow:var(--glass-shadow);backdrop-filter:blur(22px) saturate(125%);-webkit-backdrop-filter:blur(22px) saturate(125%);
}
.cards{gap:20px}.card{padding:25px;min-height:300px;position:relative;overflow:hidden}
.card:before{content:"";position:absolute;top:0;left:20px;right:20px;height:1px;background:linear-gradient(90deg,transparent,#fff,transparent)}
.card:hover{border-color:rgba(170,198,239,.85);box-shadow:0 16px 40px rgba(61,99,154,.12),inset 0 1px 0 white}
.card.locked{background:linear-gradient(145deg,rgba(255,247,248,.78),rgba(250,224,229,.64));border-color:rgba(244,202,210,.75)}
.card-top{font-size:var(--meta)!important;line-height:1.6;color:var(--muted);gap:12px}
.number{font-size:28px;color:#8aa9d4;font-weight:500}.card h3{margin:24px 0 12px}
.card p{font-size:var(--ui)!important;line-height:1.75!important;color:var(--muted);margin-bottom:26px}
.card button{font-size:var(--ui)!important;color:var(--blue);line-height:1.6;font-weight:650}.card button:disabled{color:#6f788b}
.note,.goal,.lesson-page .goal,.practice-budget,.lesson-outline{
 background:linear-gradient(115deg,rgba(219,236,255,.67),rgba(255,231,235,.64));border:1px solid rgba(255,255,255,.95);border-radius:18px;box-shadow:inset 0 1px 0 white;
}
.note strong,.goal strong{font-size:var(--text)}.note p{font-size:var(--ui)!important}.note-icon{color:var(--coral)}
.goal,.lesson-page .goal{border-left:3px solid #74a4e6;padding:21px 24px}.practice-budget{padding:16px 20px;font-size:var(--ui)!important;color:#405d83}
.lesson-page .reading>.block{padding:30px 34px;margin-bottom:22px}.block .study-paragraph{overflow-wrap:anywhere}
.step-number,.lesson-page .step-number{font-size:14px;color:#6586b5;font-weight:650}
.study-jumps a,.secondary,.account-tabs button{
 font-size:var(--ui)!important;line-height:1.55!important;padding:11px 16px;border:1px solid rgba(164,188,220,.65);border-radius:13px;
 color:#315b96;background:rgba(255,255,255,.72);box-shadow:inset 0 1px 0 #fff;
}
.study-jumps a:hover,.secondary:hover{background:rgba(230,240,255,.92);border-color:#a6c3ec}
.primary,.account-tabs .primary{
 font-size:var(--ui)!important;line-height:1.55!important;padding:12px 19px;border:1px solid rgba(255,255,255,.65);border-radius:13px;
 color:#fff;background:linear-gradient(135deg,#3877d4,#2459ae);box-shadow:0 5px 14px rgba(45,98,178,.2),inset 0 1px 0 rgba(255,255,255,.4);
}
.primary:hover{background:linear-gradient(135deg,#2b6bca,#204f9d)}
.back{font-size:var(--ui);color:var(--blue)}.download{font-size:var(--ui);color:var(--blue)}
input,textarea,select,.lab-body input,.lab-body select,.lab-body textarea,.signin-card input,.student-create-form input,.journal-controls input,.journal-controls select,.practice-task textarea{
 font-size:16px!important;line-height:1.65!important;color:var(--ink)!important;background:rgba(255,255,255,.84)!important;
 border:1px solid rgba(145,169,203,.6)!important;border-radius:12px!important;padding:12px 14px;
 box-shadow:inset 0 2px 5px rgba(74,103,148,.03);font-weight:400;
}
input[type=checkbox],input[type=radio]{accent-color:var(--blue)}
input[type=checkbox],input[type=radio]{box-shadow:none}
textarea:read-only,textarea:disabled,input:disabled,select:disabled{background:rgba(233,239,249,.75)!important;color:#4a5d77!important;opacity:1}
label,.lab-body label,.workbook label,.student-create-form label,.journal-controls label,.practice-task label,.question label,.study-checks label{
 font-size:16px!important;line-height:1.7;color:var(--ink);font-weight:500;
}
.report-field,.lesson-page .report-field,.review-report{font-size:17px!important;line-height:1.8!important}
.lab-body .code,pre,.lab-state-summary{font-size:15px!important;line-height:1.75!important}
pre{overflow-wrap:anywhere;white-space:pre-wrap}
.lab-notice,.restore-result,.solution,.quiz,.versions,.release-history,.practice-progress,.practice-review pre{
 background:rgba(224,237,255,.62);border:1px solid rgba(170,195,232,.46);border-radius:14px;color:#34557e;
}
.lab-notice,.feedback,.lab-feedback p,.practice-progress{font-size:var(--ui)!important;line-height:1.75!important}
.solution summary{font-size:16px;color:#2b5c9e}.solution p{color:var(--muted)}
.question legend{font-size:17px}.question label{padding:10px 0}.question,.study-checks label{border-color:var(--line)}
.laboratory{border-color:rgba(144,181,232,.65)!important}.lab-body table{font-size:15px}.lab-body th,.lab-body td{border-color:#cddbef;padding:11px}
.lab-body th{background:rgba(216,232,254,.65);color:#365784}.lab-body td{background:rgba(255,255,255,.55)}
.certificate-data dl{font-size:16px}.versions p,.release-history p,.deployment-history p,.encoding-output,.encoding-wrong,.seo-output,.result-count,.ctr-output,.release-status{font-size:var(--ui)!important;line-height:1.8!important}
.preview-wrap{background:rgba(219,231,248,.65);border-color:#c5d7ee;border-radius:14px}.mock-site,.media-preview{border-color:#c5d7ee;background:rgba(255,255,255,.8);border-radius:14px}
.mock-url{font-size:var(--ui)!important}.image-canvas{border-color:#c5d7ee}
.lesson-toc summary{font-size:16px;border-color:var(--line);padding:20px}
.lesson-toc a{font-size:14px;line-height:1.7;color:#506680}.lesson-toc a:hover,.lesson-toc a.is-current{background:rgba(213,232,255,.65);color:#285a9d}
.toc-number{font-size:var(--meta);color:#6a89b2}.toc-help{font-size:var(--meta)!important;line-height:1.7!important;color:var(--muted)}
.toc-label{font-size:12px!important}.toc-actions{border-color:var(--line)}.toc-actions a{font-size:14px;color:var(--blue)}
.status-chip{font-size:var(--meta)!important;line-height:1.55;padding:6px 11px;border:1px solid rgba(255,255,255,.9);font-weight:600}
.status-not_started{background:rgba(231,236,245,.85);color:#5e6c81}
.status-in_progress{background:#e0edff;color:#2b5b9f}
.status-submitted{background:#ffe6eb;color:#96485e}
.status-verified{background:#dcf3e3;color:#25643d}
.matrix-cell.status-verified{border-color:#a5d5b5}
.matrix-cell.status-verified:hover{outline-color:#69aa80}
.teacher-summary strong{font-size:30px;color:var(--blue)}.teacher-summary span{font-size:var(--ui);color:var(--muted)}
.progress-matrix{font-size:14px}.progress-matrix th,.progress-matrix td{padding:12px;border-color:#dce5f2}
.progress-matrix thead th,.progress-matrix thead th:first-child{background:#e3edfc;min-width:125px;max-width:150px}
.progress-matrix thead th span{font-size:13px;max-height:65px;line-height:1.5}.progress-matrix th small{font-size:13px;color:var(--muted)}
.progress-matrix tr>th:first-child{background:#f6f9ff;min-width:225px;max-width:225px}
.matrix-cell{border-color:#c2d4ed;border-radius:10px;font-size:15px}.matrix-cell:hover{outline-color:#7ca7e4}
.pending-item{font-size:var(--ui);color:var(--ink);background:transparent;border-color:var(--line)}.pending-item small{font-size:var(--meta);color:var(--muted)}
.student-account-row,.student-progress-row{border-color:var(--line)}
.student-account-row strong,.student-progress-row strong{font-size:16px}.student-account-row small,.student-progress-row small{font-size:14px;color:var(--muted)}
.student-account-row .danger{color:#a54860;background:rgba(255,232,236,.8);border-color:#e7b8c5}.student-account-row .danger:hover{background:#ffdde6}
.cloud-save-state,.teacher-feedback{font-size:var(--ui)!important;line-height:1.75!important;color:var(--muted)!important}.teacher-feedback{color:#375d98!important}
.form-error,#loginError{color:#a74159!important}.signin-card{padding:36px}.signin-card p{font-size:var(--ui)!important}
.practice-task{padding:26px 0;border-color:var(--line)}.practice-task .eyebrow{color:#b35f75}.practice-task textarea{font-family:inherit}
.practice-task p{font-size:17px!important}.practice-review pre{font-size:15px!important}.practice-progress{padding:16px 18px}
footer{font-size:var(--meta);color:var(--muted);border-color:var(--line);line-height:1.8}
#toast{font-size:var(--ui);background:rgba(35,72,123,.94);border:1px solid rgba(255,255,255,.45);border-radius:15px;box-shadow:0 10px 30px rgba(33,61,107,.2);max-width:calc(100vw - 40px);z-index:50;backdrop-filter:blur(16px)}
dialog::backdrop{background:rgba(45,67,103,.24);backdrop-filter:blur(8px)}
@media(min-width:1500px){main{padding-inline:clamp(40px,3.2vw,90px)}}
@media(max-width:1050px){aside{padding:24px 16px}main{padding-inline:26px}.cards{gap:14px}.card{padding:20px}}
@media(max-width:760px){
 aside{padding:20px;border-bottom:1px solid rgba(255,255,255,.9);border-right:0;border-radius:0 0 22px 22px}
 main{padding-inline:18px}header{padding:20px 0;font-size:var(--meta);gap:12px}.badge{white-space:nowrap}
 #nav .nav{font-size:14px!important;min-width:220px;max-width:250px}#nav{max-height:145px;margin:12px 0 0}
 .brand-copy strong{font-size:23px!important}#accountBar strong{font-size:var(--ui)!important}
 .hero{padding-top:28px}h1,.lesson-page .lesson-head h1,.profile-head h1{font-size:32px;letter-spacing:-1px}
 .block h2,.lesson-page .block-heading h2{font-size:22px!important}
 .lesson-page .reading>.block,.block{padding:23px 20px;border-radius:18px}.lesson-page .block .study-paragraph{font-size:17px!important}
 .card{min-height:250px;padding:24px}.card p{font-size:var(--ui)!important}.card-top{font-size:var(--meta)!important}
 .stats{gap:16px}.stats span{font-size:14px}.stats strong{font-size:22px}.section-head{align-items:flex-start}
 .note{padding:20px}.lesson-page .goal{padding:18px 20px}.study-jumps a{font-size:14px!important}
 .practice-task{padding:24px 0}.practice-task textarea{font-size:16px!important}.teacher-summary{flex-wrap:wrap}.teacher-summary>div{min-width:120px}
 .lab-actions button{flex-grow:1}.progress-matrix tr>th:first-child{min-width:170px;max-width:170px}
 .cloud-save-state,.teacher-feedback{font-size:15px!important}.signin-card{padding:26px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@supports not (backdrop-filter:blur(1px)){aside,.block,.card,.lesson-toc,.signin-card,dialog{background:#f7faff}}
@media print{
 body{background:white!important;color:#111}aside{display:none}main{margin:0;padding:0}
 .block,.card,.goal,.note,.practice-task,.solution{background:white!important;box-shadow:none!important;backdrop-filter:none!important;border-color:#ccc!important}
 p,.block p,.muted{color:#222!important;font-size:12pt!important}.practice-task textarea{background:white!important}
}
input[type=checkbox],input[type=radio]{padding:0!important;box-shadow:none!important}

/* Паспорт темы: единая информационная карточка для всего каталога. */
.hero{grid-template-columns:250px minmax(0,1fr);align-items:center}
.hero>.topic-passport{order:-1}
.topic-passport{padding:24px;border:1px solid rgba(255,255,255,.95);border-radius:26px;background:linear-gradient(145deg,rgba(255,255,255,.86),rgba(224,237,255,.72) 65%,rgba(255,229,236,.7));box-shadow:var(--glass-shadow);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);align-self:start}
.topic-passport-top{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#617897}
.topic-passport-top span{font-size:11px;line-height:1.5;letter-spacing:1.2px;font-weight:650}
.topic-passport-top svg{width:25px;height:25px;flex-shrink:0;color:#5f86be}
.topic-passport-id{font-size:52px;line-height:1.15;font-weight:650;letter-spacing:-2px;color:#2c5591;margin:26px 0 8px}
.topic-passport-type{font-size:14px;line-height:1.6;color:var(--muted)}
.topic-passport-details{display:grid;grid-template-columns:1fr 1fr;gap:16px;border-top:1px solid rgba(139,169,210,.25);margin-top:22px;padding-top:18px}
.topic-passport-details strong{font-size:24px;line-height:1.3;display:block;color:#2c486e;font-weight:600}
.topic-passport-details span{font-size:14px;color:var(--muted);line-height:1.6}
@media(max-width:1050px) and (min-width:761px){.hero{grid-template-columns:210px minmax(0,1fr)}.topic-passport{padding:20px}.topic-passport-top span{font-size:11px}}
@media(max-width:760px){.hero{grid-template-columns:minmax(0,1fr)}.topic-passport{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 20px;width:100%;padding:20px;border-radius:20px}.topic-passport-top{grid-column:1/-1}.topic-passport-id{font-size:36px;margin:10px 0 0;grid-column:1;letter-spacing:-1px}.topic-passport-type{grid-column:1;font-size:14px}.topic-passport-details{grid-column:2;grid-row:2/4;align-self:center;margin:10px 0 0;padding:0 0 0 20px;border-top:0;border-left:1px solid rgba(139,169,210,.25);gap:16px}.topic-passport-details strong{font-size:22px}.topic-passport-details span{font-size:13px}}
@media print{.topic-passport{background:white;box-shadow:none;backdrop-filter:none}}
/* Учебная CMS: результат виден рядом с кнопками, без вложенного окна. */
.cms-instruction{padding:16px 18px;background:rgba(223,237,255,.7);border:1px solid #cbdcf4;border-radius:14px;margin-bottom:20px!important}
.cms-workflow-state{margin:12px 0!important;color:#3b6094!important;font-weight:600}
.cms-action-feedback{margin:12px 0!important;padding:14px 18px;border-radius:12px;background:#e1ecff;color:#29548c!important}
.cms-action-feedback:empty{display:none}
.cms-screen{margin:20px 0 26px;border:1px solid #c6d7ef;border-radius:18px;background:rgba(239,245,255,.8);padding:18px}
.cms-screen-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px}
.cms-screen-label{font-size:17px;color:#2c5389}.cms-screen-note{font-size:14px;color:var(--muted)}
.cms-preview-wrap{overflow:auto;border-radius:12px;border:1px solid #d1def0;background:#e8eef8}
.cms-page{width:100%;max-width:100%;min-height:230px;padding:24px;background:#fff;color:#26364c;box-sizing:border-box;overflow-wrap:anywhere}
.cms-page h1{font-size:28px!important;line-height:1.35;letter-spacing:-.5px;margin:0 0 18px}
.cms-page h2,.cms-page h3{font-size:22px!important;line-height:1.4;margin:16px 0 10px}
.cms-page p{white-space:pre-wrap;margin:10px 0!important;color:#33465e!important}
.cms-page ul,.cms-page ol{padding-left:26px}.cms-page pre{white-space:pre-wrap}
.lab-actions [aria-pressed=true]{background:#d5e6ff;border-color:#8bb0e3;color:#204f91;box-shadow:inset 0 1px 0 white}
@media(max-width:760px){.cms-screen{padding:12px}.cms-page{padding:18px}.cms-screen-toolbar{display:block}.cms-screen-note{display:block;margin-top:6px}}
/* Личный кабинет в правом верхнем углу. */
header{gap:24px;align-items:center}header>span:first-child{min-width:0}
.header-account{margin-left:auto;display:flex;align-items:center;gap:20px;padding:13px 16px;border:1px solid rgba(255,255,255,.95);border-radius:20px;background:rgba(255,255,255,.67);box-shadow:var(--glass-shadow);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);max-width:560px;flex-shrink:0}
.header-account #accountBar{display:flex;align-items:center;gap:12px;border:0;padding:0;margin:0;min-width:0}
.header-account #accountBar[hidden],.header-account button[hidden]{display:none!important}
.account-avatar{display:grid;place-items:center;flex-shrink:0;width:42px;height:42px;border-radius:14px;background:linear-gradient(145deg,#d5e7ff,#fae3eb);color:#3462a2;font-size:20px;font-weight:650;border:1px solid white}
.account-identity{min-width:0;max-width:230px}.header-account #accountBar strong{display:block;font-size:15px!important;line-height:1.5;overflow-wrap:anywhere;color:var(--ink)}
.header-account #accountBar small{display:block;font-size:13px!important;line-height:1.6;overflow-wrap:anywhere;color:var(--muted)}
.header-material-status{display:block;font-size:12px;line-height:1.6;color:#6a7e99;margin-top:2px}.header-material-status .dot{width:5px;height:5px;margin-right:7px;vertical-align:middle}
.header-account-actions{display:grid;gap:5px;flex-shrink:0}
.header-account-actions button{border:0;background:transparent;padding:7px 10px;font-size:14px;color:var(--blue);line-height:1.5;text-align:left;border-radius:10px}
.header-account-actions button:hover{background:rgba(220,235,255,.8)}.header-account-actions #signOut{color:#aa536b}.header-account-actions #signOut:hover{background:#ffe9ef}
@media(max-width:1100px) and (min-width:761px){header{flex-wrap:wrap}.header-account{max-width:100%}.account-identity{max-width:220px}}
@media(max-width:760px){header{flex-wrap:wrap;gap:14px}header>span:first-child{width:100%}.header-account{width:100%;max-width:100%;margin-left:0;padding:14px;justify-content:space-between;gap:12px}.account-identity{max-width:none}.header-account #accountBar{margin:0}.header-account-actions button{font-size:14px}#nav{margin-bottom:0}}
@media(max-width:480px){.header-account{flex-wrap:wrap}.header-account #accountBar{width:100%}.header-account-actions{display:flex;flex-wrap:wrap;gap:6px;width:100%;padding-top:9px;border-top:1px solid var(--line)}.header-account-actions button{flex:1;padding:8px 9px;text-align:center;background:rgba(230,240,255,.6)}.header-account-actions #signOut{background:rgba(255,234,240,.6)}}
@media print{.header-account{display:none}}

/* Квадратная плашка темы на всех размерах экрана. */
.hero>.topic-passport{display:flex;flex-direction:column;justify-content:space-between;width:100%;aspect-ratio:1;box-sizing:border-box;min-width:0;padding:20px;gap:0}
.topic-passport-top{justify-content:flex-end}
.topic-passport-top svg{width:32px;height:32px}
.topic-passport-id{font-size:46px;margin:0;line-height:1.1}
.topic-passport-type{line-height:1.35}
.topic-passport-details{margin-top:8px;padding:12px 0 0;border-left:0;border-top:1px solid rgba(139,169,210,.25);align-self:stretch;gap:12px}
@media(max-width:1050px) and (min-width:761px){.hero>.topic-passport{padding:16px}.topic-passport-id{font-size:40px}.topic-passport-details{padding-top:8px}.topic-passport-details strong{font-size:22px}}
@media(max-width:760px){.hero>.topic-passport{width:min(250px,100%);padding:20px}.topic-passport-id{font-size:46px}.topic-passport-details{margin-top:8px;padding:12px 0 0}.topic-passport-details span{font-size:14px}}

/* Компактная подсказка под списком занятий. */
#content>.note{padding:12px 16px;gap:12px;margin-top:18px;border-radius:14px;align-items:flex-start}
#content>.note strong{font-size:15px;line-height:1.4}
#content>.note p{margin:3px 0 0;line-height:1.45}
#content>.note .note-icon{font-size:20px;line-height:1.4}

#content>.note{width:fit-content;max-width:100%}

/* Маршрут курса в шапке, рядом с аккаунтом. */
.header-route-slot{flex:1;min-width:0}
header .header-route{width:fit-content;max-width:100%;margin:0;padding:12px 16px;gap:12px;border-radius:14px;align-items:flex-start}
header .header-route strong{display:block;font-size:15px;line-height:1.4}
header .route-description{display:block;margin-top:3px;font-size:14px;line-height:1.45;color:var(--muted)}
header .header-route .note-icon{font-size:20px;line-height:1.4}
@media(max-width:1100px){.header-route-slot{flex-basis:100%}}

/* Единый портал предметов. */
.subject-switch{display:flex;align-items:center;gap:10px;width:100%;padding:12px;margin:24px 0 12px;border:1px solid #ffffffcf;border-radius:14px;background:#ffffff85;color:var(--ink);font-size:15px;text-align:left}
.subject-switch[hidden]{display:none}.subject-switch>span:last-child{margin-left:auto}
.subject-logo{width:48px;height:48px;padding:9px;flex-shrink:0;border-radius:14px;background:linear-gradient(140deg,#dcecff,#ffe3eb);color:#326abb}
.subject-switch .subject-logo{width:34px;height:34px;padding:6px;border-radius:9px}
.subject-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.subject-card{display:flex;flex-direction:column;align-items:flex-start;text-align:left;border:1px solid #fff;border-radius:24px;padding:28px;background:linear-gradient(140deg,#ffffffc9,#ecf3ff99,#ffe9ef88);box-shadow:var(--glass-shadow);color:var(--ink);min-width:0}
.subject-card:hover{border-color:#b7cfee;transform:translateY(-2px)}.subject-card strong{font-size:23px;margin:18px 0 8px}.subject-card>span{font-size:15px;line-height:1.5}.subject-card p{font-size:15px;color:var(--muted)}.subject-card small{font-size:15px;color:var(--blue);margin-top:auto;padding-top:14px}
.subject-welcome{display:block}.subject-welcome .subject-logo{width:72px;height:72px;padding:14px}.subject-welcome h1{max-width:28ch}
.subject-checks{border:1px solid var(--line);border-radius:12px;padding:12px;min-width:0}.subject-checks label{display:flex;align-items:center;gap:8px;font-size:15px;margin:8px 0}.subject-checks input[type=checkbox]{width:18px;height:18px;margin:0;padding:0;display:inline-block;accent-color:var(--blue)}
.student-account-row{flex-wrap:wrap}.student-account-row>div:first-child{flex:1;min-width:180px}.student-account-row small{display:block}.student-create-form{flex-wrap:wrap}.student-create-form .subject-checks{flex-basis:100%}
@media(max-width:760px){.subject-grid{grid-template-columns:minmax(0,1fr)}.subject-card{padding:22px}.subject-switch{width:fit-content;max-width:100%;margin:16px 0}aside h2{display:none}}

/* Source materials keep their text, diagrams and downloadable originals. */
.material-set{margin-top:28px}.material-set h3{font-size:21px}.source-document{border:1px solid var(--line);border-radius:14px;margin:12px 0;background:#ffffff70;overflow:hidden}.source-document>summary{padding:16px 18px;cursor:pointer;font-weight:650;color:var(--blue);overflow-wrap:anywhere}.source-document-actions{padding:0 18px 16px}.source-document-actions a{display:inline-block;max-width:100%;overflow-wrap:anywhere;font-size:15px}.source-document-body{padding:18px;border-top:1px solid var(--line);min-width:0}.source-document-body .source-paragraph{font-size:17px;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 15px;color:var(--ink)}.source-heading{font-weight:700}.source-figure{margin:18px 0}.source-figure img{display:block;max-width:100%;height:auto;margin:auto;border-radius:6px;background:white}.source-figure figcaption{font-size:14px;color:var(--muted);margin:8px 0;text-align:center}.source-table{border-collapse:collapse;width:100%;font-size:15px}.source-table td{border:1px solid var(--line);padding:10px;vertical-align:top;white-space:pre-wrap;overflow-wrap:anywhere}.source-materials .table-scroll{overflow:auto}.admin-topic-controls{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:28px}.admin-topic-controls input{width:20px;height:20px}.admin-child{padding-left:35px}.admin-row strong{overflow-wrap:anywhere}.source-document-body[hidden]{display:none}

.subject-switcher{position:relative}
.subject-menu{position:absolute;top:100%;left:0;right:0;z-index:50;padding:6px;background:#f4f8ff;border:1px solid #fff;border-radius:14px;box-shadow:0 12px 32px #294e8126;max-height:60vh;overflow:auto}
.subject-menu[hidden]{display:none}
.subject-menu button{display:flex;align-items:center;gap:10px;width:100%;padding:10px 8px;border:0;border-radius:9px;background:transparent;color:var(--ink);text-align:left;font-size:14px}
.subject-menu button:hover,.subject-menu button:focus-visible{background:#e1edff}
.subject-menu button[aria-current]{background:#e8effb;font-weight:600}
.subject-menu button>span:last-child:not(:nth-child(2)){margin-left:auto}
.subject-menu .subject-logo{width:30px;height:30px;flex-shrink:0;padding:5px}
@media(max-width:760px){.subject-switcher{width:fit-content;max-width:100%}.subject-menu{min-width:240px;max-width:calc(100vw - 40px)}}

.card.card-verified{background:linear-gradient(145deg,rgba(243,252,246,.94),rgba(222,243,229,.82));border-color:rgba(170,213,185,.85)}
.card.card-verified:hover{border-color:#99c9ab;box-shadow:0 16px 40px rgba(64,125,87,.12),inset 0 1px 0 white}
.card.card-verified .status-verified{background:#d6eddf;color:#38684c}

/* Keep long source documents inside their own scrollable reading window. */
.source-document-body{max-height:70vh;max-height:70dvh;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:#9bb6d6 #edf3fb}
.source-document-body:focus-visible{outline:3px solid #8aaee1;outline-offset:-3px}
@media(max-width:760px){.source-document-body{max-height:65vh;max-height:65dvh;padding:12px}}
@media print{.source-document-body{max-height:none;overflow:visible;scrollbar-gutter:auto}}

.subject-astra{color:#437bd0;background:linear-gradient(135deg,#e2edff,#f4e4f5)}
.recall-list{display:grid;gap:14px;margin:24px 0}.recall-card{padding:20px;border:1px solid #cfdff5;border-radius:16px;background:#f2f7ff}.recall-card h3{font-size:17px;margin:0 0 12px}.recall-card details{border-top:1px solid #dce5f2;padding-top:12px}.recall-card summary{cursor:pointer;color:var(--blue);font-weight:650}.recall-card p{white-space:pre-line}.recall-card .muted{margin-bottom:0}

.editor-scope-row{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin:16px 0}.editor-scope-row label{flex:1;min-width:150px}.credential-dialog{max-height:85vh;overflow:auto}

.editor-dialog{width:min(720px,calc(100vw - 48px));max-width:none;box-sizing:border-box}.editor-scope-row label{display:flex;flex-direction:column;gap:8px}.editor-scope-row input,.editor-scope-row select{margin:0;width:100%;box-sizing:border-box}

.report-attachment{margin:24px 0;padding:20px;border:1px solid var(--line,#d5e1f4);border-radius:16px;background:rgba(255,255,255,.45)}.report-attachment input[type=file]{max-width:100%;box-sizing:border-box}.report-attachment .download{overflow-wrap:anywhere}

.account-password-button{display:block;background:none;border:0;padding:3px 0;color:var(--blue,#2864bd);font:inherit;font-size:13px;text-align:left;cursor:pointer}.account-password-button:hover{text-decoration:underline}.account-password-button:focus-visible{outline:2px solid #2864bd;outline-offset:3px}

.password-dialog{width:min(600px,calc(100vw - 48px));max-width:none;box-sizing:border-box}

/* Compact journal columns; full lesson titles and a taller scrolling area. */
@media screen{
 .matrix-scroll{max-height:1000px;max-height:max(780px,88vh)}
 .progress-matrix{width:max-content;min-width:0;table-layout:auto}
 .progress-matrix th,.progress-matrix td{padding:9px 7px}
 .progress-matrix thead th:not(:first-child){min-width:100px;width:100px;max-width:100px;vertical-align:top}
 .progress-matrix thead th:not(:first-child) span{width:100px;max-width:100px;max-height:none;overflow:visible;white-space:normal;overflow-wrap:anywhere;hyphens:auto;font-size:12px;line-height:1.4}
 .progress-matrix tr>th:first-child{width:205px;min-width:205px;max-width:205px;white-space:normal;overflow-wrap:anywhere}
 .progress-matrix .matrix-cell{width:36px;height:32px;padding:0;font-size:14px}
}
@media screen and (max-width:760px){
 .matrix-scroll{max-height:80vh}
 .progress-matrix tr>th:first-child{width:160px;min-width:160px;max-width:160px}
}

/* Keep dashboard filters and counters compact and aligned to the left. */
.dashboard-filters,#teacherView .journal-controls{display:flex;justify-content:flex-start;align-items:flex-end;flex-wrap:wrap;gap:12px}
.dashboard-filters label,#teacherView .journal-controls label{flex:0 1 260px;width:260px;min-width:0;max-width:100%;margin:0}
.dashboard-filters label:first-child{flex-basis:360px;width:360px}
.dashboard-filters input,.dashboard-filters select,#teacherView .journal-controls input,#teacherView .journal-controls select{box-sizing:border-box;margin:6px 0 0;width:100%;max-width:100%}
#teacherView .journal-controls .secondary{flex:0 0 auto;margin:0;white-space:nowrap}
#teacherView .teacher-summary{justify-content:flex-start;flex-wrap:wrap;gap:12px}
#teacherView .teacher-summary>div{flex:0 1 190px;width:190px;min-width:0;max-width:100%;box-sizing:border-box;padding:16px 20px}
@media(max-width:600px){
 .dashboard-filters label,.dashboard-filters label:first-child,#teacherView .journal-controls label{flex-basis:100%;width:100%}
 #teacherView .teacher-summary>div{flex:0 1 150px;width:150px;padding:12px}
}

/* Separate the duplicated save panel from the following lesson section. */
.student-work-status-bottom{margin-top:24px;margin-bottom:28px}

/* Independent, keyboard-accessible collapsible lesson text sections. */
.lesson-page .reading>.block.lesson-text-section{padding:0}
.lesson-text-details>summary{display:flex;align-items:center;gap:16px;list-style:none;cursor:pointer;padding:24px 32px;margin:0}
.lesson-text-details>summary::-webkit-details-marker{display:none}
.lesson-text-details>summary::after{content:'▾';margin-left:auto;flex-shrink:0;color:var(--blue);transition:transform .15s}
.lesson-text-details[open]>summary::after{transform:rotate(180deg)}
.lesson-text-details>summary h2{margin:0;flex:1;min-width:0}
.lesson-text-details>summary:focus-visible{outline:2px solid var(--blue);outline-offset:-5px;border-radius:20px}
.lesson-text-content{padding:0 32px 24px}
.lesson-text-content>:last-child{margin-bottom:0}
@media(max-width:600px){.lesson-text-details>summary{padding:20px;gap:12px}.lesson-text-content{padding:0 20px 20px}}
@media print{.lesson-text-details>summary::after{display:none}}

.final-exam{max-width:900px}.exam-question{padding:24px;border:1px solid var(--line);border-radius:18px;margin:24px 0;background:rgba(255,255,255,.45)}.exam-question fieldset{border:0;padding:0;min-width:0}.exam-question legend{font-size:20px;font-weight:700;margin-bottom:18px}.exam-question label{display:flex;gap:12px;align-items:baseline;padding:12px 0;cursor:pointer}.exam-results{border-left:3px solid #69aa80;padding-left:16px}
.exam-image{display:block;max-width:100%;max-height:420px;object-fit:contain;margin:16px 0 24px;border-radius:10px}.exam-command{box-sizing:border-box;width:100%;padding:14px;font:17px ui-monospace,monospace}.exam-table-scroll{overflow:auto}.exam-table-scroll table{border-collapse:collapse;width:100%;margin:16px 0}.exam-table-scroll td,.exam-table-scroll th{border:1px solid var(--line);padding:10px;text-align:center}.exam-table-scroll select{min-width:65px;padding:8px}.exam-question label select{min-width:0;max-width:100%;padding:10px;flex:1}.exam-question fieldset{overflow-wrap:anywhere}

/* Compact collapsed lesson headings; preserve comfortable reading padding. */
@media screen{
 .lesson-page .reading>.block.lesson-text-section{margin-bottom:10px;border-radius:16px}
 .lesson-page .lesson-text-details>summary{box-sizing:border-box;min-height:56px;padding:12px 22px;margin:0;gap:12px;align-items:center}
 .lesson-page .lesson-text-details>summary h2{font-size:18px!important;line-height:1.35;margin:0;letter-spacing:-.2px}
 .lesson-page .lesson-text-details>summary .step-number{font-size:12px;min-width:22px}
 .lesson-page .lesson-text-details>summary:focus-visible{border-radius:14px}
 .lesson-page .lesson-text-content{padding:4px 22px 22px}
}
@media screen and (max-width:600px){
 .lesson-page .lesson-text-details>summary{padding:12px 16px;gap:10px}
 .lesson-page .lesson-text-details>summary h2{font-size:17px!important}
 .lesson-page .lesson-text-content{padding:4px 16px 18px}
}

/* Visible return-navigation buttons throughout lessons and teacher pages. */
@media screen{
 .back,.lesson-page .back{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;box-sizing:border-box;padding:11px 18px;margin:14px 0 18px;border:1px solid #aac5e9;border-radius:12px;background:#f4f8ff;color:#245ba4;font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;box-shadow:0 3px 10px rgba(43,87,145,.08);transition:background .15s,border-color .15s,box-shadow .15s}
 .back:hover,.lesson-page .back:hover{background:#e1edff;border-color:#729bd3;box-shadow:0 4px 12px rgba(43,87,145,.15)}
 .back:focus-visible{outline:3px solid #76a6e6;outline-offset:3px}
 .back:active{background:#d4e5fb;box-shadow:none}
}

/* Equal subject-card rows and a compact title for the modules course. */
.subject-card[data-subject="modules"]>strong{font-size:18px;line-height:1.35;letter-spacing:-.2px}
.subject-card[data-subject="modules"]>p{line-height:1.65}
@media(min-width:761px){.subject-grid{grid-auto-rows:1fr}}

/* Align the search input and journal selects on the same control baseline. */
#teacherView .journal-controls input,#teacherView .journal-controls select{height:46px;min-height:46px;box-sizing:border-box;padding:10px 14px;line-height:1.4}

/* Sidebar widened twice by ten percent; keep desktop content aligned. */
@media screen and (min-width:1051px){aside{width:341.22px}main{margin-left:341.22px}}
@media screen and (min-width:761px) and (max-width:1050px){aside{width:284.35px}main{margin-left:284.35px}}

/* A separate decorative layer behind the interface; reduced motion is handled in JS. */
body{isolation:isolate}
.ambient-bubbles{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;user-select:none}
@media print{.ambient-bubbles{display:none!important}}

/* Compact student creation form with a checkbox dropdown. */
#studentCreateSection{padding:22px 26px}
#studentCreateSection>h2{font-size:21px!important;margin-bottom:16px}
#studentCreateSection>p{font-size:13px;line-height:1.5;margin:12px 0 0}
#studentCreateSection .student-create-form{display:grid;grid-template-columns:minmax(210px,1.3fr) minmax(150px,.8fr) minmax(150px,.8fr) minmax(230px,1.2fr) auto;gap:12px;align-items:end}
#studentCreateSection .student-create-form>label{margin:0;min-width:0;font-size:13px}
#studentCreateSection .student-create-form>label>input,#studentCreateSection .student-create-form>label>select{width:100%;height:44px;box-sizing:border-box;margin:6px 0 0;padding:10px 12px}
.student-field-label{display:block;font-size:13px;font-weight:700;line-height:1.75}
.student-subject-field{min-width:0}
.student-subject-picker{position:relative;margin-top:6px}
.student-subject-picker>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;box-sizing:border-box;height:44px;padding:10px 12px;border:1px solid #b9cde8;border-radius:12px;background:#fbfdff;color:var(--ink);cursor:pointer;list-style:none;font-size:15px}
.student-subject-picker>summary::-webkit-details-marker{display:none}
.student-subject-picker>summary>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.student-subject-picker[open]>summary{border-color:#6d9cdb;box-shadow:0 0 0 2px #dce9fb}
.student-subject-picker[open]>summary>span:last-child{transform:rotate(180deg)}
#studentCreateSection .student-subject-options{position:absolute;top:calc(100% + 8px);left:0;z-index:30;box-sizing:border-box;width:max(100%,330px);max-width:calc(100vw - 40px);max-height:310px;overflow:auto;margin:0;padding:10px 14px 14px;background:#f7faff;border:1px solid #b9cde8;box-shadow:0 12px 30px #294e8129;border-radius:12px}
#studentCreateSection .student-subject-options legend{font-size:12px;padding:0 5px;color:var(--muted)}
#studentCreateSection .student-subject-options label{display:flex;gap:10px;align-items:center;min-width:0;margin:0;padding:8px 0;font-size:14px;line-height:1.4;cursor:pointer}
#studentCreateSection .student-subject-options input{width:18px;height:18px;flex:none;margin:0}
#studentCreateSection .student-create-form>button{align-self:end;height:44px;white-space:nowrap;padding:10px 16px;font-size:14px;margin:0}
@media(max-width:1500px){#studentCreateSection .student-create-form{grid-template-columns:repeat(3,minmax(0,1fr))}#studentCreateSection .student-subject-field{grid-column:span 2}}
@media(max-width:650px){#studentCreateSection{padding:20px}#studentCreateSection .student-create-form{grid-template-columns:minmax(0,1fr)}#studentCreateSection .student-subject-field{grid-column:auto}#studentCreateSection .student-create-form>button{width:100%}#studentCreateSection .student-subject-options{width:100%;max-width:100%}}
#studentCreateSection{position:relative;z-index:2}

.access-filter-fields{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px;margin:20px 0}
.access-filter-field{display:flex;flex-direction:column;gap:7px;min-width:0;width:280px;max-width:100%}
.access-filter-field:first-child{width:535px}
.access-filter-field>label{display:block;margin:0;font-size:15px;font-weight:600}
.access-filter-field>select{box-sizing:border-box;width:100%;height:46px;max-width:100%;margin:0;padding:10px 12px}
@media(max-width:650px){.access-filter-field,.access-filter-field:first-child{width:100%}}

/* Clear task destinations in the technician lessons. */
.task-route{margin:20px 0}
.task-callout{padding:16px 20px;margin:0 0 18px;border:2px solid #6095d9;border-left:6px solid #2d6ac2;border-radius:16px;background:#edf5ff;color:#233b58}
.task-callout h3{margin:6px 0 8px;font-size:20px;line-height:1.35}
.task-callout p{margin:8px 0;line-height:1.65}
.task-callout .lab-actions{margin:12px 0 0}
.task-callout .secondary{display:inline-flex;align-items:center;min-height:42px;text-decoration:none}
.required-task{border:2px solid #6095d9}
.required-task .block-heading{flex-wrap:wrap}
.task-destination{display:block;flex-basis:100%;margin-left:36px;font-size:13px;line-height:1.5;font-weight:700;color:#205a9e}
.task-answer-list{margin:0 0 20px;padding-left:26px;line-height:1.65}
.task-answer-list a{text-decoration:underline;text-underline-offset:3px}
.task-section-actions{margin:18px 0 0}
@media(max-width:650px){.task-callout{padding:14px}.task-callout h3{font-size:18px}.task-destination{margin-left:0}}

.attachment-saved-row{display:flex;align-items:center;gap:10px;margin-top:16px;min-width:0}
#attachedReportFile{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-width:0}
#attachedReportFile .download{overflow-wrap:anywhere;min-width:0}
.attachment-confirmed{color:#218440;font-size:24px;font-weight:800;line-height:1}
.attachment-remove{display:inline-flex;align-items:center;justify-content:center;flex:0 0 36px;width:36px;height:36px;padding:0;border:1px solid #edb1bb;border-radius:10px;background:#fff0f2;color:#c52940;font-size:26px;line-height:1;cursor:pointer}
.attachment-remove:hover{background:#ffe0e5}
.attachment-remove:focus-visible{outline:3px solid #cf5368;outline-offset:3px}
.attachment-remove:disabled{opacity:.45;cursor:default}
.attachment-remove[hidden]{display:none}

.attachment-file-label{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px}
.attachment-file-label input[type=file]{margin:0;min-width:0}

.journal-topic-field{display:flex;flex-direction:column;gap:8px;width:260px;max-width:100%;min-width:0}
.journal-topic-picker{position:relative;min-width:0}
.journal-topic-picker>summary{height:46px}
.journal-topic-options{position:absolute;z-index:30;top:calc(100% + 8px);left:0;box-sizing:border-box;width:420px;max-width:calc(100vw - 48px);max-height:350px;overflow:auto;padding:8px;background:#f8fbff;border:1px solid #b9cde8;border-radius:12px;box-shadow:0 12px 30px #24497530}
.journal-controls .journal-topic-options label{display:flex;flex-direction:row;align-items:flex-start;gap:10px;width:auto;padding:10px;margin:0;cursor:pointer;line-height:1.45}
.journal-controls .journal-topic-options input{flex:0 0 auto;width:17px;height:17px;min-height:0;margin:2px 0 0;padding:0}
.journal-topic-options label:hover{background:#e8f1ff;border-radius:7px}

/* Override journal field sizing inside the compact topic menu. */
#teacherView .journal-controls .journal-topic-options{width:360px;padding:6px;max-height:300px}
#teacherView .journal-controls .journal-topic-options label{display:flex;flex-direction:row;align-items:flex-start;justify-content:flex-start;flex:none;width:100%;min-width:0;max-width:100%;box-sizing:border-box;gap:9px;margin:0;padding:7px 8px;font-size:14px;line-height:1.4;font-weight:400}
#teacherView .journal-controls .journal-topic-options input[type=checkbox]{display:inline-block;flex:0 0 16px;width:16px;min-width:16px;max-width:16px;height:16px;min-height:16px;max-height:16px;margin:2px 0 0;padding:0;line-height:normal;border-radius:3px}

.signin-card .login-password-field{position:relative;margin:0 0 18px}
.signin-card .login-password-field input{display:block;box-sizing:border-box;width:100%;margin:0;padding-right:56px}
.signin-card .login-password-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;width:42px;height:42px;min-width:42px;padding:9px;margin:0;border:0;border-radius:9px;background:transparent;color:#3265a4;cursor:pointer;box-shadow:none}
.signin-card .login-password-toggle:hover{background:#dceaff}
.signin-card .login-password-toggle:focus-visible{outline:2px solid #3473c7;outline-offset:1px}
.login-password-toggle svg{display:block;width:24px;height:24px;pointer-events:none}
.password-eye-slash[hidden]{display:none}
#accountPassword::-ms-reveal,#accountPassword::-ms-clear{display:none}

/* Sidebar identity: 20% larger, with no duplicate course heading. */
aside .brand{gap:13.2px;max-width:100%}
aside .brand-mark{width:50.4px;height:50.4px;flex:0 0 50.4px}
aside .brand-copy{min-width:0;gap:8.4px}
aside .brand-copy strong{font-size:28.8px!important}
aside .brand-copy small{font-size:13.2px!important;line-height:1.4;overflow-wrap:anywhere}
aside>.sidebar-description{margin:16px 0 10px}
@media(max-width:1050px){aside .brand-mark{width:44.4px;height:44.4px;flex-basis:44.4px}aside .brand{gap:10.8px}}
@media(max-width:760px){aside .brand-copy strong{font-size:27.6px!important}aside>.sidebar-description{display:block;margin:12px 0 6px}}
@media(max-width:480px){aside .brand-mark{width:48px;height:48px;flex-basis:48px}}

/* Topic cards: 20% smaller across courses. */
.hero{grid-template-columns:200px minmax(0,1fr)}
.hero>.topic-passport{padding:16px;border-radius:21px}
.topic-passport-top svg{width:25.6px;height:25.6px}
.topic-passport-id{font-size:36.8px}
.topic-passport-type{font-size:12px}
.topic-passport-details{margin-top:6.4px;padding-top:9.6px;gap:9.6px}
.topic-passport-details strong{font-size:19.2px}
.topic-passport-details span{font-size:12px}
@media(max-width:1050px) and (min-width:761px){.hero{grid-template-columns:168px minmax(0,1fr)}.hero>.topic-passport{padding:12.8px}.topic-passport-id{font-size:32px}.topic-passport-details{padding-top:6.4px}.topic-passport-details strong{font-size:17.6px}}
@media(max-width:760px){.hero{grid-template-columns:minmax(0,1fr)}.hero>.topic-passport{width:min(200px,100%);padding:16px}.topic-passport-id{font-size:36.8px}.topic-passport-details{margin-top:6.4px;padding-top:9.6px}.topic-passport-details span{font-size:12px}}

/* Horizontal topic summary with completion progress. */
.hero{grid-template-columns:minmax(0,1fr)}
.hero>.topic-passport-horizontal{display:flex;flex-direction:row;align-items:center;justify-content:flex-start;gap:20px;width:100%;aspect-ratio:auto;padding:18px 22px;border-radius:20px}
.topic-passport-horizontal .topic-passport-top{flex:0 0 auto}
.topic-passport-horizontal .topic-passport-id{font-size:28px;letter-spacing:-.6px;line-height:1.15}
.topic-passport-horizontal .topic-passport-type{font-size:12px;margin-top:4px}
.topic-passport-horizontal .topic-passport-details{display:flex;align-self:center;gap:26px;margin:0;padding:0 0 0 22px;border-top:0;border-left:1px solid #8ba9d240}
.topic-passport-horizontal .topic-passport-details strong{font-size:21px}
.topic-passport-horizontal .topic-passport-details span{font-size:12px}
.topic-progress{margin-left:auto;width:280px;max-width:40%;min-width:0}
.topic-progress-caption{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:#34557e}
.topic-progress-caption strong{font-size:14px;color:#276449}
.topic-progress-track{height:7px;background:#c6d7e8;border-radius:8px;overflow:hidden;margin-top:8px}
.topic-progress-track>span{display:block;height:100%;background:#3d9a70;border-radius:8px}
.topic-progress small{display:block;font-size:11px;color:var(--muted);line-height:1.4;margin-top:7px}
@media(max-width:760px){.hero>.topic-passport-horizontal{gap:12px;flex-wrap:wrap;padding:16px}.topic-passport-horizontal .topic-passport-details{margin-left:auto;padding-left:14px;gap:16px}.topic-progress{width:100%;max-width:none;flex-basis:100%;margin-left:0}.topic-passport-horizontal .topic-passport-id{font-size:25px}}

/* Keep the horizontal topic summary compact instead of stretching. */
.hero>.topic-passport-horizontal{width:fit-content;max-width:100%;justify-self:start;gap:18px}
.topic-passport-horizontal .topic-progress{margin-left:4px;width:250px;max-width:none;flex:0 1 250px}
@media(max-width:760px){.hero>.topic-passport-horizontal{width:fit-content;max-width:100%;gap:12px}.topic-passport-horizontal .topic-progress{margin-left:0;width:100%;max-width:none;flex:1 0 100%}}

/* Topic introduction sits beside its compact progress card on wide screens. */
@media(min-width:1250px){
 .hero:has(>.topic-passport-horizontal){grid-template-columns:max-content minmax(0,1fr);gap:32px;align-items:center}
 .hero:has(>.topic-passport-horizontal)>div:first-child{min-width:0}
 .hero:has(>.topic-passport-horizontal)>div:first-child h1{font-size:clamp(28px,2.3vw,40px);margin:0 0 14px}
 .hero:has(>.topic-passport-horizontal)>div:first-child .intro{margin:0;max-width:760px}
 .hero>.topic-passport-horizontal{align-self:center}
}

/* New preview: number | title | lesson count and duration | progress. */
.hero:has(>.topic-passport-horizontal){grid-template-columns:minmax(0,1fr);gap:24px}
.hero>.topic-passport-horizontal{width:fit-content;max-width:100%;gap:24px;padding:22px 26px;flex-wrap:nowrap}
.topic-passport-horizontal .topic-passport-top{display:none}
.topic-passport-horizontal .topic-passport-identity{display:flex;align-items:center;gap:22px;min-width:0;flex:0 1 auto}
.topic-passport-horizontal .topic-passport-id{font-size:30px;white-space:nowrap;padding-right:22px;border-right:1px solid #8ba9d25c;align-self:stretch;display:flex;align-items:center}
.topic-passport-horizontal .topic-passport-type{font-size:18px;line-height:1.45;max-width:390px;min-width:0;margin:0;font-weight:600}
.topic-passport-horizontal .topic-passport-details{border:0;padding:0;gap:22px;flex:0 0 auto;margin:0}
.topic-passport-horizontal .topic-progress{width:250px;min-width:200px;flex:0 0 250px;margin:0}
@media(max-width:1050px){.hero>.topic-passport-horizontal{flex-wrap:wrap}.topic-passport-horizontal .topic-progress{flex:1 1 240px}.topic-passport-horizontal .topic-passport-type{max-width:390px}}
@media(max-width:600px){.hero>.topic-passport-horizontal{padding:18px;gap:18px}.topic-passport-horizontal .topic-passport-identity{flex-basis:100%;gap:14px}.topic-passport-horizontal .topic-passport-id{font-size:25px;padding-right:14px}.topic-passport-horizontal .topic-passport-type{font-size:16px}.topic-passport-horizontal .topic-progress{min-width:0;flex-basis:100%}}

.topic-passport-horizontal .topic-passport-id{flex-direction:column;justify-content:center;align-items:flex-start;gap:3px}
.topic-passport-horizontal .topic-number-label{font-size:12px;font-weight:500;line-height:1.4;letter-spacing:0;color:var(--muted)}

/* Topic achievements: keyboard and touch accessible details. */
.hero>.topic-passport-horizontal{flex-wrap:wrap}
.topic-awards{display:flex;align-items:center;gap:12px;border-left:1px solid #8ba9d245;padding-left:20px}
.topic-award{position:relative;display:flex;flex-direction:column;align-items:center;gap:5px;color:#8493a7}
.topic-award-button{position:relative;display:grid;place-items:center;flex:none;width:48px;height:48px;min-width:48px;margin:0;padding:10px;border:1px solid #bdcadb;background:#e8eef5;border-radius:14px;color:inherit;cursor:pointer}
.topic-award-button svg{width:26px;height:26px}
.topic-award small{font-size:11px;line-height:1.35}
.topic-award.earned{color:#a6711d}.topic-award.earned .topic-award-button{border-color:#e3c482;background:#fff3d5}
.topic-award.confirmed{color:#27825e}.topic-award.confirmed .topic-award-button{border-color:#a4d1b9;background:#e0f4e8}
.topic-award-lock{position:absolute;right:-4px;bottom:-3px;display:grid;place-items:center;width:16px;height:16px;background:#f3f6fa;border:1px solid #c4d0df;border-radius:6px;font-size:14px;line-height:1}
.sr-award-label{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.topic-award-tip{display:none;position:absolute;z-index:35;top:calc(100% + 8px);right:0;width:235px;max-width:calc(100vw - 48px);padding:12px;background:#f9fcff;border:1px solid #c1d2e7;border-radius:12px;box-shadow:0 8px 24px #24497525;font-size:13px;line-height:1.5;color:#304b70;text-align:left}
.topic-award-tip strong{display:block;margin-bottom:4px}
.topic-award:has(.topic-award-button[aria-expanded=true]) .topic-award-tip{display:block}
@media(hover:hover){.topic-award:hover .topic-award-tip{display:block}}
.topic-award-button:focus-visible{outline:3px solid #3473c7;outline-offset:3px}
@media(max-width:600px){.topic-awards{border-left:0;padding-left:0}}
@media print{.topic-award-tip{display:none!important}}

.topic-award-lock svg{width:12px;height:12px}

/* Match the number divider between topic title, metrics and progress. */
.topic-passport-horizontal .topic-passport-details{border-left:1px solid #8ba9d25c;padding-left:22px}
.topic-passport-horizontal .topic-progress{border-left:1px solid #8ba9d25c;padding-left:22px;box-sizing:content-box}
@media(max-width:1050px){.topic-passport-horizontal .topic-progress{border-left:0;padding-left:0}}
@media(max-width:600px){.topic-passport-horizontal .topic-passport-details{border-left:0;padding-left:0}}

/* Student topic progress in the sidebar. */
#nav .student-topic-nav{position:relative;padding-right:36px;border:1px solid transparent}
#nav .student-topic-nav.topic-done,#nav .student-topic-nav.topic-verified{background:#e4f3e9;color:#405b7b}
#nav .student-topic-nav.topic-done small,#nav .student-topic-nav.topic-verified small{color:#2e7953}
#nav .student-topic-nav.active{border:2px solid #6495db;padding-right:35px;box-shadow:0 0 0 3px #cdddff70}
#nav .topic-nav-tick{position:absolute;right:10px;top:14px;color:#278051;font-size:17px;font-weight:800;letter-spacing:-4px;padding-right:4px}
#nav .student-topic-nav.topic-unavailable{opacity:.65}

/* Floating rounded sidebar, matching the approved preview. */
@media screen and (min-width:761px){
 aside{inset:16px auto 16px 16px;border:1px solid #ffffffd9;border-radius:28px;box-shadow:0 14px 40px #345f931c;overflow:hidden}
 aside>.brand,aside>.sidebar-description,aside>.subject-switcher{flex-shrink:0}
 aside>#nav{overflow-y:auto;min-height:0;padding:4px 6px 8px 0}
}
@media screen and (min-width:1051px){main{margin-left:357.22px}}
@media screen and (min-width:761px) and (max-width:1050px){main{margin-left:300.35px}}
@media screen and (max-width:760px){aside{margin:12px;width:calc(100% - 24px);border:1px solid #ffffffd9;border-radius:24px;box-shadow:0 10px 30px #345f931c}}

/* Wider floating sidebar with centered identity. */
@media screen and (min-width:1051px){aside{width:375.342px}main{margin-left:391.342px}}
@media screen and (min-width:761px) and (max-width:1050px){aside{width:312.785px}main{margin-left:328.785px}}
@media screen{aside>.brand{align-self:center;justify-content:center;margin-left:auto;margin-right:auto}}

/* Compact lesson cards: full content, shared action/status row. */
.cards{gap:16px;align-items:stretch}
.cards>.card{min-height:0;padding:18px 20px;border-radius:20px;gap:0}
.cards>.card .card-top{align-items:center;font-size:12px;line-height:1.4}
.cards>.card .number{font-size:23px;line-height:1}
.cards>.card h3{font-size:18px;line-height:1.4;margin:14px 0 9px}
.cards>.card p{font-size:14px;line-height:1.65;margin:0 0 16px}
.compact-card-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;flex-wrap:wrap}
.cards>.card .compact-card-footer button{margin:0;padding:4px 0;font-size:14px;align-self:center}
.compact-card-footer .status-chip{margin:0;font-size:12px;padding:4px 10px}
@media(max-width:1100px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.cards{grid-template-columns:1fr}}

/* Compact subject progress in place of the route instructions. */
.subject-route-progress{display:inline-flex;align-items:center;gap:16px;padding:14px 18px;max-width:100%;border:1px solid #fff;border-radius:18px;background:linear-gradient(115deg,#ffffffd9,#e5f0ffb8 65%,#fae7efbd);box-shadow:0 10px 30px #345f9314}
.subject-route-icon{display:grid;place-items:center;width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:#dceaff;color:#386fc0}
.subject-route-icon svg{width:23px;height:23px}
.subject-route-info{display:block;width:280px;min-width:0;max-width:calc(100vw - 160px)}
.subject-route-info>strong{display:block;font-size:13px;font-weight:600;line-height:1.4;color:#405f82;margin-bottom:8px}
.subject-route-meter{display:flex;align-items:center;gap:10px}
.subject-route-track{display:block;height:6px;flex:1;background:#ccdaeb;border-radius:8px;overflow:hidden}
.subject-route-track>span{display:block;height:100%;background:linear-gradient(90deg,#398ab1,#44a576);border-radius:8px}
header .subject-route-meter>b{font-size:13px;color:#2b7657;padding:0;line-height:1.4}

/* Put topic description beside the summary when the content area has room. */
@media screen{
 #content{container-type:inline-size}
}
@container (min-width:1150px){
 .hero:has(>.topic-passport-horizontal){grid-template-columns:minmax(0,2fr) minmax(280px,1fr);align-items:center;gap:28px}
 .hero>.topic-passport-horizontal{width:100%;min-width:0}
 .hero>.topic-passport-horizontal .topic-passport-identity{flex:1 1 280px}
 .hero:has(>.topic-passport-horizontal)>div:first-child{min-width:0}
 .hero:has(>.topic-passport-horizontal)>div:first-child .intro{margin:0;max-width:none}
}

/* Keep the card intrinsic-sized beside its independent description. */
@container (min-width:1150px){
 .hero:has(>.topic-passport-horizontal){grid-template-columns:fit-content(72%) minmax(0,1fr);align-items:center}
 .hero>.topic-passport-horizontal{width:fit-content;max-width:100%;justify-self:start}
 .hero>.topic-passport-horizontal .topic-passport-identity{flex:0 1 auto;min-width:0}
}

.topic-awards{position:relative;padding-top:22px}
.topic-awards-title{position:absolute;top:0;left:20px;right:0;text-align:center;font-size:12px;line-height:1.4;font-weight:600;color:#526a85}
@media(max-width:600px){.topic-awards-title{left:0}}

/* Keep achievement tooltips above the following lesson cards. */
.hero:has(>.topic-passport-horizontal){position:relative;z-index:2;overflow:visible}
.hero>.topic-passport-horizontal{position:relative;z-index:1;overflow:visible}

/* Topic description belongs to the title tooltip. */
.hero:has(>.topic-passport-horizontal){display:block}
.topic-name-hint{position:relative;min-width:0;max-width:390px}
.topic-name-button{display:block;text-align:left;font:inherit;font-size:18px;font-weight:600;line-height:1.45;color:#405b7b;border:0;background:transparent;padding:0;margin:0;cursor:help;text-decoration:underline dotted #829ebf;text-underline-offset:5px}
.topic-hint-info{display:inline-flex;justify-content:center;align-items:center;width:16px;height:16px;font-size:11px;border:1px solid #9cb3ce;border-radius:50%;margin-left:5px;color:#6282a6;vertical-align:middle}
.topic-description-tip{display:none;position:absolute;z-index:50;left:0;top:100%;padding-top:12px;width:420px;max-width:calc(100vw - 120px)}
.topic-description-tip>div{padding:17px 19px;background:#f8fbff;border:1px solid #b9cee7;border-radius:16px;box-shadow:0 12px 32px #24497528;color:#405b7b;font-size:14px;line-height:1.75}
.topic-description-tip strong{display:block;font-size:12px;color:#6382a5;margin-bottom:6px}
.topic-name-hint:focus-within .topic-description-tip,.topic-name-hint.is-open .topic-description-tip{display:block}
@media(hover:hover){.topic-name-hint:hover .topic-description-tip{display:block}}
.topic-name-button:focus-visible{outline:2px solid #3473c7;outline-offset:5px;border-radius:4px}
@media(max-width:600px){.topic-name-button{font-size:16px}.topic-description-tip{width:320px;max-width:calc(100vw - 120px)}}
@media print{.topic-description-tip{display:block;position:static;width:auto;max-width:none}.topic-description-tip>div{box-shadow:none}}

/* Reduced topic card height, keeping typography and icon sizes unchanged. */
.hero>.topic-passport-horizontal{padding-top:10px;padding-bottom:10px}
.topic-awards{padding-top:18px}
.topic-award{gap:3px}
.topic-progress small{margin-top:4px}
.topic-passport-horizontal .topic-passport-id{gap:2px}

/* Lesson descriptions in accessible title tooltips. */
.cards>.card{overflow:visible}
.lesson-title-hint{position:relative;margin:14px 0 20px}
.cards>.card .lesson-title-hint h3{margin:0}
.cards>.card .lesson-title-button{display:block;width:100%;margin:0;padding:0;text-align:left;font-size:18px;font-weight:600;line-height:1.4;color:#253d5a;border:0;background:none;cursor:help;text-decoration:underline dotted #91a8c2;text-underline-offset:5px}
.lesson-info{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border:1px solid #9cb3ce;border-radius:50%;font-size:10px;color:#6785a6;vertical-align:middle;margin-left:4px}
.lesson-description-tip{display:none;position:absolute;z-index:30;left:0;top:100%;width:360px;max-width:calc(100vw - 96px);padding-top:10px}
.lesson-description-tip>div{background:#f8fbff;border:1px solid #bdd0e8;border-radius:14px;padding:15px 17px;box-shadow:0 12px 30px #24497528;font-size:14px;line-height:1.75;color:#405b7b}
.lesson-description-tip strong{display:block;font-size:11px;letter-spacing:.6px;color:#6785a6;margin-bottom:5px}
.cards>.card:focus-within,.cards>.card:has(.lesson-title-hint.is-open){z-index:5}
.lesson-title-hint:focus-within .lesson-description-tip,.lesson-title-hint.is-open .lesson-description-tip{display:block}
@media(hover:hover){.lesson-title-hint:hover .lesson-description-tip{display:block}.cards>.card:has(.lesson-title-hint:hover){z-index:5}}
.lesson-title-button:focus-visible{outline:2px solid #3473c7;outline-offset:5px;border-radius:4px}
@media(max-width:650px){.lesson-description-tip{width:300px;max-width:calc(100vw - 76px)}}
@media print{.lesson-description-tip{display:block;position:static;width:auto;max-width:none}.lesson-description-tip>div{box-shadow:none}}

.lesson-card-heading{display:flex;gap:12px;align-items:center;margin:14px 0 12px}
.lesson-emblem{display:grid;place-items:center;width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:linear-gradient(135deg,#dceaff,#f7e5ee);color:#4572b3}
.lesson-emblem svg{width:23px;height:23px}
.lesson-card-heading .lesson-title-hint{margin:0;min-width:0}
.lesson-work-facts{display:flex;flex-wrap:wrap;gap:7px 14px;color:#52728b;font-size:12px;line-height:1.5;margin:0 0 16px}
.lesson-work-facts:empty{display:none}
.lesson-work-facts .work-attached{color:#2d8056}.lesson-work-facts .work-comment{color:#9a6a24}

/* Deliberate topic layouts based on available content width. */
.hero>.topic-passport-horizontal{display:grid;grid-template-columns:minmax(240px,390px) auto minmax(200px,250px) auto;align-items:center;gap:20px;width:fit-content;max-width:100%;aspect-ratio:auto}
.topic-passport-horizontal>.topic-passport-top{display:none}
.topic-passport-horizontal>.topic-passport-identity{min-width:0;max-width:100%}
.topic-passport-horizontal>.topic-progress{min-width:0;width:auto;max-width:none;margin:0;box-sizing:border-box}
.topic-passport-horizontal>.topic-passport-details{margin:0;align-self:center}
@container (max-width:1150px){
 .hero>.topic-passport-horizontal{grid-template-columns:auto minmax(180px,1fr) auto;gap:16px 24px;width:min(760px,100%);padding:16px 20px}
 .hero>.topic-passport-horizontal>.topic-passport-identity{grid-column:1/-1;width:100%;padding-bottom:14px;border-bottom:1px solid #abc3e055}
 .topic-passport-horizontal>.topic-passport-details{border:0;padding:0}
 .topic-passport-horizontal>.topic-progress{border:0;padding:0}
 .topic-passport-horizontal>.topic-awards{border:0;padding-left:0}
 .topic-passport-horizontal .topic-awards-title{left:0}
}
@container (max-width:560px){
 .hero>.topic-passport-horizontal{grid-template-columns:minmax(0,1fr) auto;gap:16px;padding:16px;width:100%}
 .hero>.topic-passport-horizontal>.topic-passport-identity{padding-bottom:0;border:0;gap:14px}
 .topic-passport-horizontal .topic-passport-id{font-size:25px;padding-right:14px}
 .topic-name-button{font-size:17px}
 .topic-passport-horizontal>.topic-passport-details{grid-column:1/-1;gap:0;display:flex}
 .topic-passport-horizontal .topic-passport-details strong,.topic-passport-horizontal .topic-passport-details span{display:inline;font-size:13px;font-weight:400;line-height:1.5}
 .topic-passport-horizontal .topic-passport-details>div+div:before{content:'·';margin:0 9px}
 .topic-passport-horizontal .topic-passport-details strong{margin-right:4px}
 .topic-passport-horizontal>.topic-progress{width:100%;min-width:0}
 .topic-progress-caption,.topic-progress-caption strong{font-size:12px}
 .topic-passport-horizontal .topic-progress small{display:none}
 .topic-passport-horizontal>.topic-awards{gap:7px;padding-top:18px}
 .topic-passport-horizontal .topic-award-button{width:36px;height:36px;min-width:36px;padding:6px;border-radius:10px}
 .topic-passport-horizontal .topic-award-button>svg{width:23px;height:23px}
 .topic-awards-title{font-size:11px}
 .topic-award small{font-size:10px}
}

/* Split login card with the existing compass and quiet floating bubbles. */
.signin-card.login-split{display:grid;grid-template-columns:270px minmax(0,1fr);width:790px;max-width:100%;padding:0;overflow:hidden;border-radius:25px;min-height:390px}
.login-brand-panel{position:relative;isolation:isolate;overflow:hidden;padding:25px 20px;background:linear-gradient(155deg,#d6e8ff,#eee1f6);display:flex;flex-direction:column;justify-content:space-between;gap:28px}
.login-panel-brand{display:flex;align-items:center;gap:10px;position:relative;z-index:1}
.login-panel-brand .brand-mark{width:40px;height:40px;flex:0 0 40px}
.login-panel-brand strong{font-size:20px;font-weight:700;color:#263e5b}
.signin-card .login-panel-motto{position:relative;z-index:1;font-size:13px!important;line-height:1.8;color:#597393;margin:0}
.login-brand-panel>small{position:relative;z-index:1;font-size:11px;color:#7489a2}
.login-form-panel{padding:26px;min-width:0}
.signin-card .login-form-panel h1{font-size:24px;line-height:1.3;letter-spacing:-.5px;margin:0 0 8px}
.signin-card .login-intro{font-size:14px!important;color:#667d96;line-height:1.6;margin:0 0 20px}
.signin-card .login-form-panel label{font-size:13px!important;margin:0 0 7px;display:block}
.signin-card .login-form-panel input{height:46px;line-height:1.4!important;padding:10px 12px;font-size:15px!important}
.signin-card .login-form-panel #accountUsername{margin:0 0 16px}
.signin-card .login-form-panel #accountPassword{padding-right:52px}
.signin-card .login-form-panel #loginSubmit{width:100%;height:46px;padding:10px 16px;font-size:14px;margin-top:0}
.signin-card .login-form-panel>.muted{font-size:12px!important;line-height:1.6;margin:16px 0 0}
.login-panel-bubbles{position:absolute;inset:0;z-index:0;pointer-events:none}
.login-panel-bubbles>span{position:absolute;border:1px solid #ffffffb0;background:radial-gradient(circle at 30% 25%,#ffffff70,#84b2ef15 65%,#eaa3ca30);border-radius:50%;animation:login-bubble-drift 9s ease-in-out infinite alternate}
.login-panel-bubbles>span:nth-child(1){width:110px;height:110px;left:-25px;top:110px}
.login-panel-bubbles>span:nth-child(2){width:75px;height:75px;right:-10px;top:190px;animation-delay:-3s}
.login-panel-bubbles>span:nth-child(3){width:35px;height:35px;left:125px;top:90px;animation-delay:-5s}
.login-panel-bubbles>span:nth-child(4){width:130px;height:130px;right:-45px;bottom:-45px;animation-delay:-2s}
@keyframes login-bubble-drift{from{transform:translate(0,0)}to{transform:translate(15px,-24px)}}
@media(max-width:1100px){.signin-card.login-split{grid-template-columns:200px minmax(0,1fr)}}
@media(max-width:900px){.signin-card.login-split{grid-template-columns:minmax(0,1fr)}.login-brand-panel{min-height:170px;gap:16px;padding:20px}.login-brand-panel>small{display:none}}
@media(prefers-reduced-motion:reduce){.login-panel-bubbles>span{animation:none}}

/* Public entry page: only the centered sign-in form. */
body.login-page>aside,body.login-page>main>header,body.login-page>main>footer,body.login-page>.ambient-bubbles{display:none!important}
body.login-page>main{margin:0;width:100%;padding:24px;min-height:100vh;min-height:100dvh;display:grid;place-items:center}
body.login-page #content{width:100%;container-type:normal}
body.login-page .signin-card.login-split{margin:0 auto;width:790px;max-width:100%;grid-template-columns:270px minmax(0,1fr);box-shadow:0 22px 65px #345f9320}
@media(max-width:600px){body.login-page>main{padding:16px}body.login-page .signin-card.login-split{width:460px;grid-template-columns:minmax(0,1fr)}}

/* User profile + primary action, with secondary actions in a menu. */
.header-account{position:relative;padding:14px 16px;gap:12px;border-radius:20px;overflow:visible}
.header-account .header-account-actions{display:flex;align-items:center;gap:6px;width:auto;padding:0;border:0}
.header-account #accountBar{width:auto;min-width:0}
.header-account-actions #teacher{border:1px solid #bfd2ed;border-radius:10px;background:#eaf2ff;color:#2c61aa;padding:10px 12px;font-size:13px;white-space:nowrap}
.account-menu{position:relative;flex:0 0 auto}
.account-menu[hidden]{display:none}
.account-menu>summary{display:grid;place-items:center;list-style:none;width:32px;height:38px;border-radius:9px;color:#4b6d97;font-size:24px;line-height:1;cursor:pointer}
.account-menu>summary::-webkit-details-marker{display:none}
.account-menu>summary:hover{background:#e4eefb}
.account-menu>summary:focus-visible{outline:2px solid #6799dd;outline-offset:3px}
.account-menu-popup{position:absolute;z-index:80;top:calc(100% + 8px);right:0;width:240px;max-width:calc(100vw - 40px);padding:8px;border:1px solid #c5d6ec;background:#f9fcff;border-radius:14px;box-shadow:0 12px 30px #24497526}
#accountMenuDetails{padding:9px 10px;font-size:12px;color:#6b819d;line-height:1.7;border-bottom:1px solid #e0e8f3;margin-bottom:5px;overflow-wrap:anywhere}
.header-account-actions .account-menu-popup button{display:block;width:100%;margin:0;text-align:left;border:0;background:none;border-radius:8px;padding:10px;font-size:13px;color:#315c96}
.header-account-actions .account-menu-popup button:hover{background:#e8f0fc}
.header-account-actions .account-menu-popup #signOut{color:#b5465b}
@media(max-width:480px){.header-account{gap:10px}.header-account #accountBar{width:auto;flex:1 1 140px}.header-account .header-account-actions{margin-left:auto}.header-account #accountBar strong{font-size:14px!important}}

/* Smooth, scroll-aware lesson contents. */
.lesson-toc{transition:border-radius .28s ease,box-shadow .28s ease}
.lesson-toc>summary{transition:padding .28s ease,background .2s ease}
.lesson-toc>summary:hover{background:#e6efff80}
.lesson-toc>summary>span{display:inline-block;transition:transform .28s ease}
.lesson-toc:not(.toc-expanded)>summary>span{transform:rotate(180deg)}
.lesson-toc.toc-compact{border-radius:16px}
.lesson-toc.toc-compact>summary{padding:13px 18px;border-bottom:0}
.toc-reveal{display:grid;grid-template-rows:1fr;opacity:1;transition:grid-template-rows .28s ease,opacity .22s ease}
.lesson-toc:not(.toc-expanded) .toc-reveal{grid-template-rows:0fr;opacity:0}
.toc-reveal-inner{min-height:0;overflow:hidden}
.lesson-toc.toc-expanded{box-shadow:0 14px 35px #345f9322}
@media(max-width:1249px){.lesson-rail{position:sticky;top:12px;z-index:15;padding-top:0;margin-top:18px;align-self:start}.lesson-toc .toc-body{max-height:55vh}}
@media(prefers-reduced-motion:reduce){.lesson-toc,.lesson-toc>summary,.lesson-toc>summary>span,.toc-reveal{transition:none}}
@media print{.lesson-toc .toc-reveal{grid-template-rows:1fr!important;opacity:1!important}}

/* Profile dropdown must sit above sticky lesson contents. */
main>header{position:relative;z-index:40;overflow:visible}
.header-account{z-index:1}

/* Journal filters and centered compact counters share the first row. */
.journal-top-row{display:flex;align-items:center;justify-content:flex-start;flex-wrap:wrap;gap:22px;margin:18px 0}
.journal-filter-slot{min-width:0}
#teacherView .journal-top-row .dashboard-filters{margin:0}
#teacherView .journal-top-row .teacher-summary{display:flex;flex:0 0 auto;gap:8px;margin:0}
#teacherView .journal-top-row .teacher-summary>div{flex:0 0 116px;width:116px;min-height:68px;padding:10px 8px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-radius:14px}
#teacherView .journal-top-row .teacher-summary strong{font-size:23px;line-height:1.15}
#teacherView .journal-top-row .teacher-summary span{font-size:11px;line-height:1.35;margin-top:5px}
.journal-table-caption{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:12px 0}
.journal-table-caption>.muted{margin:0;font-size:13px}
.journal-table-caption>.status-legend{margin:0 0 0 auto;gap:8px}
@media(max-width:650px){#teacherView .journal-top-row .teacher-summary{width:100%}#teacherView .journal-top-row .teacher-summary>div{flex:1;width:auto;min-height:65px;padding:9px 6px}#teacherView .journal-top-row .teacher-summary strong{font-size:22px}#teacherView .journal-top-row .teacher-summary span{font-size:10px}.journal-table-caption>.status-legend{margin-left:0}}

/* Joined lesson/time metrics, kept intact in explicit responsive rows. */
.hero>.topic-passport-horizontal{grid-template-areas:"identity metrics progress awards";grid-template-columns:minmax(240px,390px) max-content minmax(200px,250px) max-content}
.topic-passport-horizontal>.topic-passport-identity{grid-area:identity}
.topic-passport-horizontal>.topic-progress{grid-area:progress}
.topic-passport-horizontal>.topic-awards{grid-area:awards}
.hero>.topic-passport-horizontal>.topic-passport-details{grid-area:metrics;display:flex;align-items:center;gap:0;padding:10px 0;margin:0;border:1px solid #c8dcef;border-radius:13px;background:#f6faffb0;white-space:nowrap;width:max-content;max-width:100%;justify-self:start}
.topic-passport-horizontal .topic-passport-details>.topic-metric{display:flex;align-items:center;gap:9px;padding:0 13px;min-width:0}
.topic-passport-horizontal .topic-passport-details>.topic-metric+.topic-metric{border-left:1px solid #c7d8eb}
.topic-passport-horizontal .topic-passport-details>.topic-metric:before{content:none}
.topic-metric>svg{width:19px;height:19px;flex:0 0 19px;color:#7296c2}
.topic-passport-horizontal .topic-metric-text>strong{display:block;font-size:20px;font-weight:600;line-height:1.15;margin:0}
.topic-passport-horizontal .topic-metric-text>span{display:block;font-size:11px;line-height:1.4;margin-top:4px;color:#69829e}
@container(max-width:1279px){
 .hero>.topic-passport-horizontal{grid-template-areas:"identity identity identity" "metrics progress awards";grid-template-columns:max-content minmax(180px,1fr) max-content;gap:16px 20px;width:min(800px,100%);padding:16px 20px}
 .hero>.topic-passport-horizontal>.topic-passport-identity{grid-column:auto;width:100%;padding-bottom:14px;border-bottom:1px solid #abc3e055}
 .topic-passport-horizontal>.topic-progress{border:0;padding:0}
 .topic-passport-horizontal>.topic-awards{border-left:0;padding-left:0}
 .topic-passport-horizontal .topic-awards-title{left:0}
}
@container(max-width:620px){
 .hero>.topic-passport-horizontal{grid-template-areas:"identity identity" "metrics metrics" "progress awards";grid-template-columns:minmax(0,1fr) max-content;width:100%;gap:16px;padding:16px}
 .hero>.topic-passport-horizontal>.topic-passport-identity{padding:0;border:0}
 .hero>.topic-passport-horizontal>.topic-passport-details{grid-column:auto}
 .topic-passport-horizontal>.topic-progress{min-width:0;width:auto}
 .topic-passport-horizontal .topic-progress small{display:none}
 .topic-passport-horizontal .topic-passport-id{font-size:25px;padding-right:14px}
 .topic-name-button{font-size:17px}
}

/* Reset legacy grid coordinates: named areas alone control every breakpoint. */
.hero>.topic-passport-horizontal>.topic-passport-identity{grid-area:identity;grid-column-start:identity;grid-column-end:identity;grid-row-start:identity;grid-row-end:identity}
.hero>.topic-passport-horizontal>.topic-passport-details{grid-area:metrics;grid-column-start:metrics;grid-column-end:metrics;grid-row-start:metrics;grid-row-end:metrics}
.hero>.topic-passport-horizontal>.topic-progress{grid-area:progress;grid-column-start:progress;grid-column-end:progress;grid-row-start:progress;grid-row-end:progress}
.hero>.topic-passport-horizontal>.topic-awards{grid-area:awards;grid-column-start:awards;grid-column-end:awards;grid-row-start:awards;grid-row-end:awards}
@container(max-width:1279px){
 .hero>.topic-passport-horizontal{grid-template-areas:"identity identity identity" "metrics progress awards";grid-template-columns:max-content minmax(0,1fr) max-content;width:min(800px,100%)}
 .hero>.topic-passport-horizontal>.topic-passport-identity{max-width:none}
 .hero>.topic-passport-horizontal>.topic-progress{width:auto;min-width:0;max-width:none}
}
@container(max-width:620px){
 .hero>.topic-passport-horizontal{grid-template-areas:"identity identity" "metrics metrics" "progress awards";grid-template-columns:minmax(0,1fr) max-content;width:100%}
 .hero>.topic-passport-horizontal>.topic-passport-identity{width:100%;min-width:0}
}
/* Built-in avatar selection. */
.header-account .avatar-change-button{padding:0;border:1px solid #ffffffc0;cursor:pointer;overflow:hidden}
.account-avatar img{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit}
.avatar-change-button:hover{outline:2px solid #8caee0;outline-offset:2px}
.avatar-picker-dialog{width:520px;max-width:calc(100vw - 32px);max-height:85vh;overflow:auto;padding:24px;border-radius:24px;background:#f9fcff}
.avatar-picker-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.avatar-picker-head h2{margin:0;font-size:21px}
.avatar-picker-head button{width:32px;height:32px;border:0;border-radius:9px;background:#eaf1fb;color:#6983a3;font-size:22px;padding:0}
.avatar-picker-dialog>p{font-size:13px;color:#7187a1;line-height:1.6}
.avatar-picker-preview{display:flex;align-items:center;gap:14px;padding:12px;margin:18px 0;background:#edf3fb;border-radius:14px}
.avatar-picker-large{width:54px;height:54px;flex:0 0 54px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,#d9e9ff,#f3dfea);font-size:24px;color:#366eb4}
.avatar-picker-large img{width:100%;height:100%;border-radius:inherit}
.avatar-picker-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.avatar-picker-grid button{padding:5px;border:2px solid transparent;background:none;border-radius:15px;min-width:0;color:#66809e}
.avatar-picker-grid button img{display:block;width:100%;border-radius:12px}
.avatar-picker-grid button span{display:block;font-size:10px;margin-top:5px}
.avatar-picker-grid button[aria-pressed=true]{border-color:#548bd2;background:#e8f1ff}
.avatar-picker-grid button:hover{background:#edf3fc}
.avatar-picker-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px;flex-wrap:wrap}
.avatar-picker-actions button{font-size:13px}
@media(max-width:550px){.avatar-picker-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.avatar-picker-dialog{padding:18px}}

/* Override legacy account button padding that displaced avatar content. */
.header-account #accountBar button.avatar-change-button{display:grid;place-items:center;align-self:center;flex:0 0 42px;width:42px;height:42px;min-width:42px;min-height:42px;margin:0;padding:0;font-size:20px!important;line-height:1;letter-spacing:normal;text-align:center;box-sizing:border-box;position:relative}
.header-account #accountBar button.avatar-change-button>img{display:block;width:100%;height:100%;margin:0;padding:0;object-fit:cover;align-self:stretch;justify-self:stretch}

.avatar-picker-head button[data-close]{display:grid;place-items:center;flex:0 0 32px;width:32px;height:32px;min-width:32px;margin:0;padding:0;line-height:1}
.avatar-picker-head button[data-close] svg{display:block;width:16px;height:16px;pointer-events:none}

/* Compact journal: number headers, full titles on hover. */
#teacherView .progress-matrix{width:max-content;min-width:0;table-layout:fixed}
#teacherView .progress-matrix thead th:not(:first-child),#teacherView .progress-matrix tbody td{box-sizing:border-box;width:58px;min-width:58px;max-width:58px;padding:8px 6px;vertical-align:middle}
#teacherView .progress-matrix tr>th:first-child{box-sizing:border-box;width:205px;min-width:205px;max-width:205px}
#teacherView .progress-matrix thead th .journal-number{display:inline-block;width:auto;max-width:100%;max-height:none;margin:0;padding:5px 2px;font-size:14px;font-weight:700;line-height:1.4;cursor:help;border-bottom:1px dotted #789ac8;overflow:visible}
#teacherView .journal-number:focus-visible{outline:2px solid #397bd1;outline-offset:2px;border-radius:3px}
#teacherView .progress-matrix .matrix-cell{width:34px;height:30px;padding:0}

.journal-number-tooltip{position:fixed;z-index:10000;width:max-content;max-width:min(300px,calc(100vw - 24px));box-sizing:border-box;padding:12px 14px;background:#f9fcff;border:1px solid #bdd0e8;border-radius:12px;box-shadow:0 10px 28px #24497525;color:#355477;font-size:13px;line-height:1.6;pointer-events:none}.journal-number-tooltip[hidden]{display:none}
#teacherView .journal-number:hover,#teacherView .journal-number:focus-visible{background:#cddff7;border-radius:7px}
/* Course constructor */
.builder-head{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin:24px 0}.builder-head h1{font-size:28px;margin:8px 0}.builder-toolbar{display:flex;gap:8px;flex-wrap:wrap}.builder-course-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.builder-course{text-align:left;cursor:pointer;margin:0;display:grid;gap:12px;color:var(--ink)}.builder-course span,.builder-course small{font-size:13px;color:var(--muted)}.builder-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:20px;align-items:start}.builder-outline{position:sticky;top:16px;padding:18px;max-height:85vh;overflow:auto}.builder-outline .secondary{width:100%;font-size:12px}.builder-topic{border-top:1px solid #ccdced;margin-top:18px;padding-top:14px}.builder-topic strong{font-size:13px;line-height:1.5;display:block}.builder-small{background:#edf4ff;color:#356394;border:1px solid #cfdded;padding:6px 9px;border-radius:8px;font-size:12px;cursor:pointer;margin:4px 0}.builder-small.danger{color:#b7465b;background:#fff1f3}.builder-lesson{display:block;width:100%;text-align:left;border:1px solid transparent;border-radius:9px;padding:10px;margin:5px 0;background:transparent;color:#3d5b80;font-size:13px;cursor:pointer}.builder-lesson.selected{background:#deebff;border-color:#8eb1df}.builder-editor{min-width:0;padding:24px}.builder-editor label,.builder-dialog label{display:grid;gap:7px;margin:12px 0;font-size:13px;font-weight:600}.builder-editor input:not([type=checkbox]):not([type=radio]),.builder-editor select,.builder-editor textarea,.builder-dialog input,.builder-dialog textarea{box-sizing:border-box;width:100%;min-width:0;border:1px solid #b9cfea;border-radius:10px;padding:11px;background:#ffffffb8;color:#294768;font:14px/1.5 inherit}.builder-editor textarea,.builder-dialog textarea{font-family:inherit;resize:vertical}.builder-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.builder-groups{display:flex;gap:8px 20px;flex-wrap:wrap}.builder-groups label{display:flex;align-items:center}.builder-groups input,.builder-option input[type=checkbox],.builder-option input[type=radio]{width:18px;height:18px;margin:0;flex:none}.builder-section,.builder-question{border:1px solid #d4e0ef;padding:14px;border-radius:12px;margin:14px 0}.builder-question summary{cursor:pointer;font-weight:600;font-size:14px}.builder-option{display:flex;align-items:center;gap:12px;margin:8px 0}.builder-image{display:block;max-width:100%;max-height:450px;object-fit:contain;margin:16px 0}.builder-preview{box-sizing:border-box;width:900px;max-width:94vw;max-height:90vh;border:1px solid white;border-radius:24px;padding:28px;background:#f2f7ff;color:#294768}.builder-preview::backdrop{background:#203a5c66}.builder-preview textarea{box-sizing:border-box;width:100%;padding:15px}.builder-prewrap{white-space:pre-wrap}.builder-subject-icon{display:grid;place-items:center;font-size:25px}.builder-editor .muted{font-size:13px;line-height:1.65}.builder-lesson-materials figure{margin:15px 0}
@media(max-width:1000px){.builder-layout{grid-template-columns:1fr}.builder-outline{position:static;max-height:300px}.builder-toolbar{width:100%}.builder-toolbar button{font-size:12px;padding:10px}.builder-editor{padding:18px}}@media(max-width:550px){.builder-fields{grid-template-columns:1fr}.builder-head h1{font-size:24px}}
/* Publication and draft states are independent. */
.builder-course-list>.builder-course{display:flex;flex-direction:column;align-items:stretch;gap:16px;text-align:left;min-height:170px;padding:24px}.builder-course>strong{line-height:1.55}.builder-course>small{margin-top:auto}.builder-course-statuses{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px;margin-top:4px;align-self:flex-end}.builder-state{display:inline-flex;align-items:center;gap:4px;width:fit-content;border:1px solid transparent;border-radius:20px;padding:4px 9px;font-size:11px;font-weight:600;line-height:1.4;text-align:left;white-space:normal}.builder-course .builder-state-published,.builder-state-published{background:#def2e6;color:#217047;border-color:#b8dfc7}.builder-course .builder-state-draft,.builder-state-draft{background:#fff3d8;color:#8a611a;border-color:#ead49f}.builder-course .builder-state-unsaved,.builder-state-unsaved{background:#ffebee;color:#a34154;border-color:#efc0cb}.builder-state-archived{background:#eaf0f8;color:#637995;border-color:#cfdbeb}.builder-head #builderStatus{display:flex;gap:7px;flex-wrap:wrap;margin:10px 0}.builder-item-state{display:flex;flex-wrap:wrap;gap:4px;margin:5px 0}.builder-item-state:empty{display:none}.builder-item-state .builder-state{font-size:10px;padding:3px 7px}.builder-icon-picker{grid-column:1/-1;min-width:0;margin:12px 0 4px;padding:0;border:0}.builder-icon-picker legend{font-size:13px;font-weight:600;margin-bottom:10px}.builder-icon-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(95px,1fr));gap:8px}.builder-icon-grid button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:78px;padding:10px 6px;margin:0;border:1px solid #cfdef0;border-radius:12px;background:#f7faff;color:#587aa5;cursor:pointer;font-family:inherit}.builder-icon-grid button[aria-pressed=true]{background:#e2edff;border-color:#4584d8;box-shadow:0 0 0 1px #4584d8;color:#2864b3}.builder-icon-grid button:hover{background:#edf4ff}.builder-icon-grid button:focus-visible{outline:2px solid #3479cc;outline-offset:3px}.builder-icon-grid button>span{font-size:11px;line-height:1.3;text-align:center}.course-icon{display:block;width:25px;height:25px;flex-shrink:0;box-sizing:border-box}.builder-preview h1>.course-icon{display:inline-block;vertical-align:middle}.subject-logo{display:block;box-sizing:border-box;overflow:visible}
.builder-course .builder-state{font-size:11px}.builder-icon-grid button>span{overflow-wrap:anywhere}
.builder-editor-title{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}.builder-editor-title h2{margin:0}.builder-editor-title .danger{font-size:12px;padding:8px 12px}.builder-dialog .lab-actions .secondary{border-radius:12px;padding:12px 18px;font-family:inherit}.builder-question{scroll-margin-top:20px}
/* User-authored titles and paragraphs must fit their own layout tracks. */
#content,aside,header,footer{overflow-wrap:anywhere;word-break:normal}
#content :is(h1,h2,h3,h4,p,summary,legend,figcaption),.subject-card :is(strong,span,p,small),.builder-course strong{overflow-wrap:anywhere;word-break:normal;max-width:100%}
.subject-card>*,.subject-switch>span,.subject-menu button>span,.brand-copy,#nav a,#nav a>span{min-width:0;overflow-wrap:anywhere;word-break:normal}
.subject-card :is(strong,p,span){width:100%;white-space:normal}.subject-card small{max-width:100%}
.subject-switch{min-width:0;max-width:100%;box-sizing:border-box}.subject-switch>span:not(:last-child){flex:1;text-align:left;white-space:normal}.subject-switch>span:last-child{flex-shrink:0}
#nav a{white-space:normal}.brand-copy small{white-space:normal}.subject-menu button{min-width:0}
.hero,.lesson-page,.lesson-main,.lesson-rail,.reading,.block,.card,.builder-editor,.builder-outline,.profile-head,.builder-head>div{min-width:0}
.topic-passport-horizontal .topic-passport-identity,.topic-name-hint{min-width:0;max-width:100%}.topic-name-button{min-width:0;max-width:100%;width:100%;white-space:normal;overflow-wrap:anywhere;word-break:normal}
.lesson-card-heading,.lesson-title-hint,.lesson-title-hint h3{min-width:0;max-width:100%}.lesson-title-button{min-width:0;max-width:100%;white-space:normal;overflow-wrap:anywhere;word-break:normal}
.topic-description-tip,.lesson-description-tip,.topic-award-tip{box-sizing:border-box;overflow-wrap:anywhere;word-break:normal}.topic-description-tip>div,.lesson-description-tip>div{box-sizing:border-box;max-height:min(60vh,480px);overflow:auto;overflow-wrap:anywhere;word-break:normal}
.lesson-page .lesson-head :is(h1,p),.goal p,.lesson-text-content,.study-paragraph,.block-heading h2,.toc-body a,.toc-body a>span,.toc-help{min-width:0;overflow-wrap:anywhere;word-break:normal;white-space:normal}.block-heading h2{flex:1}.block-heading .step-number{flex-shrink:0}.lesson-toc,.toc-body,.toc-reveal,.toc-reveal-inner{min-width:0;max-width:100%;box-sizing:border-box}
.builder-editor :is(input,textarea,select),.builder-dialog :is(input,textarea),.builder-preview textarea{box-sizing:border-box;min-width:0;max-width:100%}.builder-editor textarea,.builder-dialog textarea,.builder-preview textarea{white-space:pre-wrap;overflow-wrap:anywhere;resize:vertical}.builder-head h1,.builder-preview :is(h1,h2,h3,p),.builder-question summary{overflow-wrap:anywhere;word-break:normal}
.builder-document{max-width:100%;min-width:0;box-sizing:border-box;margin:16px 0}.builder-document summary{overflow-wrap:anywhere;word-break:normal}.builder-document .source-document-actions{display:flex;gap:8px;flex-wrap:wrap}.builder-document .source-document-actions a{max-width:100%;box-sizing:border-box;overflow-wrap:anywhere;white-space:normal}.builder-pdf-viewer{display:block;width:100%;height:650px;min-height:360px;max-height:80vh;border:1px solid #ccdaec;border-radius:10px;box-sizing:border-box;background:#e9eef5;margin-top:12px}.builder-material-figure{max-width:100%;margin:16px 0}.builder-material-figure figcaption{overflow-wrap:anywhere}.builder-preview .builder-pdf-viewer{height:600px}.builder-preview .builder-prewrap{white-space:pre-wrap}
@media(max-width:650px){.builder-pdf-viewer,.builder-preview .builder-pdf-viewer{height:480px;min-height:280px}.builder-document .source-document-actions a{font-size:12px}}
.subject-card>strong{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.subject-card>p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden}.subject-card>span{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.topic-description-tip,.lesson-description-tip{max-width:100%}
.brand-copy small{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.subject-switch>span:not(:last-child){display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.topic-name-button{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden}.lesson-title-button{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}#nav .nav-topic-title{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden;overflow-wrap:anywhere;word-break:normal;font-weight:inherit;margin-right:0}.hint-full-title{display:block;overflow-wrap:anywhere;margin-bottom:8px;line-height:1.5;font-weight:600}
@media print{.topic-name-button,.lesson-title-button,#nav .nav-topic-title,.subject-card>strong,.subject-card>p{display:block;overflow:visible;-webkit-line-clamp:unset}}
/* Description popovers use the card area, not the title's intrinsic width. */
.topic-passport-horizontal>.topic-passport-identity{position:relative}
.topic-passport-horizontal .topic-name-hint{position:static;flex:1 1 0%;width:100%;min-width:0;max-width:100%}
.topic-name-hint .topic-description-tip{width:420px;max-width:min(100%,calc(100vw - 32px));left:0;right:auto;top:100%}
.lesson-card-heading{position:relative}
.lesson-card-heading>.lesson-title-hint{position:static;flex:1 1 0%;width:100%;min-width:0;max-width:100%}
.lesson-title-hint .lesson-description-tip{width:360px;max-width:min(100%,calc(100vw - 32px));left:0;right:auto;top:100%}
/* Separate lesson authoring into three logical cards. */
.builder-layout>.builder-editor-split{display:flex;flex-direction:column;gap:20px;padding:0;min-width:0;border:0;background:none;box-shadow:none}
.builder-editor-split>.builder-lesson-panel{margin:0;padding:24px;min-width:0}
.builder-lesson-panel>h2{margin-top:0;margin-bottom:18px}
.builder-editor-title h2{max-width:100%;flex:1;min-width:0}
.builder-editor-title #builderDeleteLesson{flex-shrink:0}
@media(max-width:650px){.builder-layout>.builder-editor-split{gap:16px}.builder-editor-split>.builder-lesson-panel{padding:18px}.builder-editor-title{align-items:flex-start}}
.builder-list-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.builder-list-actions button{margin:0}.builder-course-open{display:flex;flex:1;flex-direction:column;align-items:stretch;gap:16px;min-width:0;width:100%;padding:0;border:0;background:transparent;color:inherit;text-align:left;font:inherit;cursor:pointer}.builder-course-open>strong{line-height:1.55;overflow-wrap:anywhere}.builder-course-open>small{margin-top:auto;font-size:13px;color:var(--muted)}.builder-course-footer{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;width:100%;margin-top:auto}.builder-course-footer>.builder-course-statuses{margin:0 0 0 auto;min-width:0}.builder-course-footer>.builder-delete-course{font-size:12px;padding:7px 10px;flex-shrink:0}.builder-empty{margin-top:16px}#builderActiveView{margin-bottom:18px}
.builder-course-footer>.builder-delete-course{color:#ad4258;background:#fff0f3;border-color:#edbfca}.builder-course-footer>.builder-delete-course:hover{background:#ffe3e9;border-color:#d999ab}
.builder-video{margin:16px 0;max-width:100%;box-sizing:border-box}.builder-video summary{overflow-wrap:anywhere}.builder-video-body{min-width:0}.builder-video-player{display:block;width:100%;aspect-ratio:16/9;height:auto;border:0;border-radius:10px;background:#111;margin-top:12px}.builder-video-item{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid #d5e0ef}.builder-video-item strong{min-width:0;overflow-wrap:anywhere}.builder-dialog textarea[name=embed]{font-family:monospace;min-height:130px}
/* Workbook size follows the lesson card, never manual dragging. */
#mywork textarea#report.report-field{display:block;box-sizing:border-box;width:100%;max-width:100%;min-width:100%;resize:none;overflow:auto}
/* Keep contents numbers intact while titles wrap independently. */
.lesson-toc .toc-body ol a{display:flex;align-items:flex-start;gap:10px;min-width:0}
.lesson-toc .toc-body a>.toc-number{flex:0 0 2.5ch;width:2.5ch;min-width:2.5ch;white-space:nowrap;overflow-wrap:normal;word-break:normal}
.lesson-toc .toc-body ol a>span:not(.toc-number){flex:1 1 0%;min-width:0;white-space:normal;overflow-wrap:anywhere}

/* Course list navigation stays on the right in both views. */
.builder-list-navigation{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;margin-left:auto;min-width:0}
.builder-list-navigation #builderActiveView{margin:0}

/* Dense teacher journal: retain readable names and compact status targets. */
#teacherView .progress-matrix{font-size:12px;line-height:1.2}
#teacherView .progress-matrix thead th:not(:first-child),
#teacherView .progress-matrix tbody td{width:40px;min-width:40px;max-width:40px;padding:3px 4px}
#teacherView .progress-matrix tr>th:first-child{width:195px;min-width:195px;max-width:195px;padding:3px 7px;line-height:1.2;vertical-align:middle}
#teacherView .progress-matrix tbody th strong{display:block;font-size:12px;line-height:1.25}
#teacherView .progress-matrix tbody th small{display:block;margin-top:2px;font-size:11px;line-height:1.2}
#teacherView .progress-matrix .matrix-cell{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;width:26px;min-width:26px;max-width:26px;height:24px;min-height:24px;margin:0;padding:0;border-radius:6px;font-size:11px;line-height:1;vertical-align:middle;white-space:nowrap;letter-spacing:-.5px}
#teacherView .progress-matrix thead th .journal-number{font-size:12px;line-height:1.2;padding:3px 1px}
#teacherView .pending-item{gap:8px;padding:8px 0;font-size:12px;line-height:1.3}
@media(max-width:760px){#teacherView .progress-matrix tr>th:first-child{width:170px;min-width:170px;max-width:170px}}

/* Compact account register with bounded, wrapping subject names. */
#teacherView .accounts-table-scroll{box-sizing:border-box;width:100%;max-width:100%;overflow-x:auto;border:1px solid #dce5f2;border-radius:12px}
#teacherView .accounts-table{width:100%;min-width:900px;max-width:none;table-layout:fixed;border-collapse:collapse;text-align:left;font-size:12px;line-height:1.3}
#teacherView .accounts-table .accounts-name-col{width:20%}
#teacherView .accounts-table .accounts-login-col{width:15%}
#teacherView .accounts-table .accounts-group-col{width:12%}
#teacherView .accounts-table .accounts-subjects-col{width:auto}
#teacherView .accounts-table .accounts-actions-col{width:320px}
#teacherView .accounts-table th,#teacherView .accounts-table td{box-sizing:border-box;padding:5px 8px;border-bottom:1px solid #dce5f2;border-right:1px solid #e2eaf5;vertical-align:middle;overflow-wrap:anywhere;white-space:normal}
#teacherView .accounts-table thead th{background:#e3edfc;font-weight:700}
#teacherView .accounts-table tbody th{font-weight:650;text-align:left}
#teacherView .accounts-table tbody td{color:var(--muted)}
#teacherView .accounts-table tr:last-child>*{border-bottom:0}
#teacherView .accounts-table tr>:last-child{border-right:0}
#teacherView .accounts-table .accounts-subjects ul{display:flex;flex-wrap:wrap;gap:3px 8px;list-style:none;padding:0;margin:0}
#teacherView .accounts-table .accounts-subjects li{min-width:0;max-width:100%;margin:0;padding:0;overflow-wrap:anywhere}
#teacherView .accounts-table .accounts-subjects li:not(:last-child)::after{content:";"}
#teacherView .accounts-actions{display:flex;flex-wrap:nowrap;align-items:center;gap:5px;min-width:0}
#teacherView .accounts-actions .secondary{flex:0 0 auto;box-sizing:border-box;margin:0;padding:5px 4px;min-height:26px;border-radius:6px;font-size:11px!important;line-height:1.2!important;white-space:nowrap}
#teacherView .accounts-actions .secondary.danger{color:#b93650;border-color:#efbdc9;background:#fff0f3}

/* Dense access list: titles wrap in the flexible column; controls never shrink. */
#content .admin-topic-controls{align-items:center;gap:10px;margin:14px 0 3px;min-width:0}
#content .admin-topic-controls h2{flex:1;min-width:0;margin:0;font-size:16px;line-height:1.3;overflow-wrap:anywhere}
#content .admin-topic-controls>label{display:inline-flex;flex:0 0 auto;align-items:center;gap:6px;margin:0;font-size:12px;line-height:1.3;white-space:nowrap}
#content .admin-topic-controls input,#content .admin-row>input{box-sizing:border-box;flex:0 0 16px;width:16px;min-width:16px;max-width:16px;height:16px;min-height:16px;margin:0;padding:0}
#content .admin-row{gap:12px;margin:0;padding:5px 0;min-width:0;min-height:36px;line-height:1.2}
#content .admin-row>span{display:block;flex:1;min-width:0;overflow-wrap:anywhere}
#content .admin-row strong{display:block;font-size:12px;line-height:1.3}
#content .admin-row br{display:none}
#content .admin-row small{display:block;margin-top:1px;font-size:10px;line-height:1.2}
#content .admin-row.admin-child{padding-left:20px}
@media(max-width:480px){#content .admin-topic-controls{flex-wrap:wrap;gap:5px 10px}#content .admin-topic-controls h2{flex-basis:100%;font-size:15px}#content .admin-topic-controls>label{margin-left:auto}}

/* Access typography: quiet topic headings, readable lesson titles. */
#content .admin-topic-controls h2{font-size:17px!important;font-weight:600;line-height:1.3;letter-spacing:0}
#content .admin-row strong{font-size:14px!important;font-weight:650;line-height:1.3}