:root{--ink:#292238;--muted:#6d6577;--purple:#7654ad;--soft:#f0e8fa;--line:#ded2ec;--paper:#fffefd}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:#f7f3fb;color:var(--ink);font:17px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}button,input,select{font:inherit}button,summary{cursor:pointer}a{color:#5c3d86}button,input,select{border:1px solid var(--line);border-radius:11px;padding:10px 14px;color:var(--ink);background:var(--paper)}button{font-weight:650;min-height:44px}button:hover{background:var(--soft)}button:disabled{opacity:.55;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid #af91d1;outline-offset:3px}.topbar{background:var(--paper);border-bottom:1px solid var(--line);padding:16px max(22px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between;gap:15px}.topbar a{text-decoration:none;font-size:14px}.brand{font-weight:800;color:#5c3d86}.topbar button{font-size:14px;padding:7px 12px}main{max-width:1180px;margin:auto;padding:30px 22px 50px}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:#7654ad;margin:0 0 7px}h1{font-size:clamp(26px,3vw,36px);line-height:1.2;letter-spacing:-.02em;margin:0 0 26px}.layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:24px;align-items:start}.sidebar{background:var(--paper);border:1px solid var(--line);border-radius:19px;padding:17px}.progress-head{display:flex;justify-content:space-between;font-size:14px;margin-bottom:10px}.track{height:6px;border-radius:6px;background:var(--soft);overflow:hidden;margin-bottom:18px}.track span{display:block;height:100%;background:#7654ad}nav{display:grid;gap:6px}.topic{display:flex;align-items:center;justify-content:space-between;text-align:left;gap:8px;border:0;background:transparent;font-size:14px;padding:10px}.topic.active{color:#5c3d86;background:var(--soft)}.topic small{font-size:11px;white-space:nowrap;font-weight:400;color:var(--muted)}.reset{border:0;border-top:1px solid var(--line);border-radius:0;font-size:12px;font-weight:400;color:var(--muted);width:100%;margin-top:15px;padding-top:16px}section{min-width:0}.topic-heading{font-size:21px;margin:0 0 13px}.chooser{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:15px;font-size:14px;color:var(--muted)}.chooser select{padding:7px 10px;max-width:100%}.card{background:var(--paper);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 12px 35px #49326909}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 24px;border-bottom:1px solid #ece5f2}.tag{background:var(--soft);color:#5c3d86;padding:6px 11px;font-size:14px;font-weight:700;border-radius:8px}.other{background:var(--soft);color:#5c3d86;white-space:nowrap}.content{padding:23px 24px}.content p{margin:0 0 17px}.image-button{display:block;width:100%;padding:0;border:0;border-radius:0;background:white;cursor:zoom-in}.image-button:hover{background:white}.statement-image{position:relative;overflow:hidden;width:100%;background:white}.statement-image img{position:absolute;max-width:none;display:block}.statement-image .mask{position:absolute;background:white}.image-help{color:var(--muted);font-size:12px;margin:9px 0 0!important}.answer-zone{border-top:1px solid #ece5f2;padding-top:21px;margin-top:23px}.answer-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.answer-row label{font-weight:650}.answer-row input{width:175px;min-width:80px;border-color:#bdb2c9;background:white}.check{background:var(--purple);color:white;border-color:var(--purple)}.check:hover{background:#5c3d86}.feedback{font-size:15px;margin-top:10px}.feedback:empty{display:none}.good{color:#22684c}.bad{color:#a03948}details{margin-top:16px}summary{color:#5c3d86;font-weight:650;width:fit-content}.explanation,.theory p{padding:15px;border-radius:11px;background:#faf7fd;font-size:16px;margin-top:10px!important}.theory{font-size:14px;margin:0 0 17px}.theory summary{font-weight:500}.footnote{font-size:13px;color:var(--muted);margin:14px 3px}.table-wrap{border:1px solid #b8b2bd;border-radius:10px;overflow:hidden;margin:20px 0}table{width:100%;border-collapse:collapse;table-layout:fixed;font-variant-numeric:tabular-nums}th,td{padding:11px 9px;border-right:1px solid #d9d4de;border-bottom:1px solid #d9d4de;text-align:center}thead th{background:#f7f4fa;font-size:14px;font-weight:600}th:first-child{width:30%;text-align:left}tbody th{font-size:15px;font-weight:500}tr:last-child td,tr:last-child th{border-bottom:0}th:last-child,td:last-child{border-right:0}.question{font-weight:700}.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.match-grid p{margin:10px 0;font-size:16px}.match-answers{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}.match-answers label{display:grid;gap:5px;font-size:14px}.match-answers select{min-width:65px}dialog{border:1px solid var(--line);border-radius:18px;width:min(1150px,96vw);padding:20px;max-height:92vh;overflow:auto}dialog::backdrop{background:#292238b3}.dialog-close{display:block;margin:0 0 15px auto}.storage-warning{background:#fff3d1;border-radius:9px;padding:10px;font-size:14px;margin:12px 0}footer{max-width:1180px;margin:auto;padding:0 22px 25px;font-size:12px;color:var(--muted)}@media(max-width:850px){.layout{grid-template-columns:1fr}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar{padding:13px}.reset{margin-top:5px}.brand{font-size:16px}.content{padding:20px}}@media(max-width:500px){main{padding:23px 13px}.topbar{padding:12px 14px;flex-wrap:wrap}.topbar a{font-size:12px}.brand{order:-1;width:100%}h1{font-size:27px}.sidebar nav{grid-template-columns:1fr 1fr}.topic{font-size:12px;padding:7px;flex-wrap:wrap}.card-head{padding:16px;flex-wrap:wrap}.other{font-size:14px}.content{padding:17px}.answer-row label{width:100%}.answer-row input{flex:1;width:90px}.match-grid{grid-template-columns:1fr}.content p{font-size:16px}th,td{padding:9px 4px}thead th{font-size:11px;overflow-wrap:anywhere}tbody th{font-size:11px;overflow-wrap:anywhere}th:first-child{width:33%}td{font-size:15px}.image-help{font-size:11px!important}}@media print{body{background:white}.topbar,.sidebar,.chooser,.theory,.other,.footnote,.image-help,.check,footer,.feedback,dialog{display:none!important}main{padding:0;max-width:none}.layout{display:block}.card{box-shadow:none;border:0}.content{padding:15px 0}.card-head{padding:10px 0}.explanation{background:white}h1{font-size:22px}input{border:1px solid #777}.statement-image{break-inside:avoid}}
#large-condition{min-width:900px}

#condition math,.explanation math{font-size:1.18em;vertical-align:baseline}#condition>p{line-height:2.2}.explanation p{line-height:2.1}.explanation p:last-child{margin-bottom:0}.trig-progress{font-size:13px;color:var(--muted);margin:0 0 12px}.trig-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start}.trig-card{min-width:0;border:1px solid var(--line);border-radius:14px;padding:16px;background:var(--paper)}.trig-card header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:13px}.trig-card h3{font-size:14px;margin:0;color:#5c3d86}.trig-card header>div{display:flex;gap:5px}.trig-card button{min-height:34px;padding:6px 9px;font-size:13px}.trig-condition{font-size:16px;line-height:2;min-height:70px}.trig-condition p{margin:0 0 13px}.trig-condition math{font-size:1.13em}.trig-card form{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.trig-card input{width:110px;min-width:70px;flex:1;padding:7px 9px;font-size:15px}.trig-answer-label{font-size:14px}.trig-card details{margin-top:10px;font-size:14px}.trig-card .explanation{padding:10px;font-size:15px;overflow-x:auto}.trig-card .feedback{font-size:13px}.trig-card details p{margin:0 0 10px}@media(max-width:1100px){.trig-grid{grid-template-columns:1fr}}@media print{.trig-grid{display:block}.trig-card{break-inside:avoid;margin-bottom:14px}.trig-card header button,.trig-progress{display:none!important}}
.trig-math-chunk{display:inline-block;white-space:nowrap}
.bank-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start}.bank-card{min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px}.bank-card-wide{grid-column:1/-1}.bank-card header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:13px}.bank-card h3{font-size:14px;margin:0;color:#5c3d86}.bank-card header>div{display:flex;gap:5px}.bank-card button{min-height:34px;font-size:13px;padding:6px 9px}.bank-card .image-button{padding:0;margin-bottom:14px}.bank-card .statement-image{max-width:750px;margin:auto}.bank-condition{font-size:16px;line-height:1.65}.bank-condition>p{margin:0 0 15px}.bank-card form{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:16px}.bank-card input{width:120px;max-width:220px;flex:1;min-width:70px;padding:7px 9px;font-size:15px}.bank-card form label{font-size:14px}.bank-card details{font-size:14px;margin-top:10px}.bank-card .feedback{font-size:13px}.bank-card .explanation{padding:12px;font-size:15px}.bank-analog-note{font-size:13px;color:var(--muted);margin:15px 0}.bank-card .match-answers{margin:0}.bank-card .match-answers select{font-size:15px;min-width:55px;padding:7px}.bank-card .table-wrap{max-width:750px;margin:12px auto}.bank-card .image-button{cursor:zoom-in}@media(max-width:1100px){.bank-grid{grid-template-columns:1fr}}@media print{.bank-grid{display:block}.bank-card{break-inside:avoid;margin-bottom:15px}.bank-card header button,.bank-analog-note{display:none!important}.bank-card details:not([open]){display:none}}

.bank-condition math{font-size:1.3em;max-width:100%;} .bank-condition:has(math){min-height:90px;overflow-x:auto;padding:4px 0 12px} .bank-card .explanation{overflow-wrap:anywhere} .bank-card .explanation math{font-size:1.1em}

.gonta-scratch-open .bank-grid,.gonta-scratch-open .trig-grid{grid-template-columns:1fr}.bank-card header,.trig-card header{flex-wrap:wrap}

/* Shared compact, one-column presentation, matching the OGE prototype list. */
main{max-width:1240px}.layout{grid-template-columns:220px minmax(0,1fr)}
.sidebar{position:sticky;top:90px;background:transparent;border:0;padding:0}
.bank-grid,.trig-grid{grid-template-columns:minmax(0,1fr);gap:18px}
.bank-card,.trig-card{padding:22px 26px;border-radius:15px}
.bank-card h3,.trig-card h3{font-size:16px;line-height:1.45;color:var(--ink)}
.bank-card header,.trig-card header{margin-bottom:18px}
.bank-card .statement-image{max-width:750px}
.bank-card .match-grid{font-size:16px}.bank-card .table-wrap{margin:14px auto}
.bank-card form,.trig-card form{margin-top:16px}
.bank-card .bank-condition:has(math){min-height:65px}
.trig-card .trig-condition{min-height:55px}
.bank-card [data-original],.trig-card [data-original]{width:34px;padding:4px;border-color:transparent;background:transparent}
.bank-card .explanation,.trig-card .explanation{line-height:1.7}
@media(max-width:850px){.layout{grid-template-columns:1fr}.sidebar{position:static}.bank-card,.trig-card{padding:18px 16px}.bank-card h3,.trig-card h3{font-size:14px}}
@media print{.bank-grid,.trig-grid{display:block}.bank-card,.trig-card{padding:12px 0;border:0;border-bottom:1px solid #bbb;border-radius:0}.trig-card form,.bank-card form{display:none}}

/* Generated №3: exam-style figures and tables remain sharp in print. */
.task3-chart{display:block;width:100%;max-width:660px;margin:16px auto!important;background:#fff;border:0;border-radius:0}
.task3-chart svg{display:block;width:100%;height:auto}
.task3-table{overflow-x:auto;border-radius:0}
.task3-table table{table-layout:auto;width:100%;font-family:"Times New Roman",serif;font-variant-numeric:lining-nums tabular-nums;border-collapse:collapse}
.task3-table th,.task3-table td{border:1px solid #777;background:#fff;color:#111;padding:7px 9px;text-align:center;font-size:15px;font-weight:400;overflow-wrap:normal}
.task3-table th:first-child{width:auto}
.task3-table td{white-space:nowrap}
.task3-table th[scope="row"]{text-align:left}
@media(max-width:600px){.task3-table th,.task3-table td{font-size:13px;padding:6px}.task3-table table{min-width:0}.task3-table table:has(th:nth-child(7)){min-width:520px}.task3-chart{margin:12px auto!important}}
@media print{.task3-chart{max-width:580px;break-inside:avoid;print-color-adjust:exact;-webkit-print-color-adjust:exact}.task3-table{overflow:visible}.task3-table table{min-width:0}.task3-table th,.task3-table td{font-size:12px;padding:5px}.task3-chart svg{max-height:330px}}

.bank-grid,.trig-grid{gap:12px}.bank-card,.trig-card{padding:16px 20px!important}
.bank-card header,.trig-card header{margin-bottom:12px!important;gap:10px;flex-wrap:wrap}
.bank-card header>div,.trig-card header>div{display:flex;gap:6px;flex-wrap:wrap}
.bank-condition,.trig-condition{margin:10px 0!important}.native-condition{font:17px/1.55 system-ui,sans-serif;color:#252132}
.native-condition p{margin:8px 0}.native-figure{display:block;width:100%;height:auto;margin:12px auto;object-fit:contain}
.bank-card form,.trig-card form{margin-top:12px!important}.bank-card .feedback:empty,.trig-card .feedback:empty{display:none}
.brand:empty{display:none} @media(max-width:600px){.native-condition{font-size:16px}.bank-card,.trig-card{padding:14px!important}}