.printables-root{max-width:1100px;margin:26px auto 65px;padding:0 18px}.loading{padding:38px}
.access-panel{max-width:750px;margin:65px auto;background:white;border:1px solid #d8e3e5;border-radius:10px;padding:34px}
.link-button{display:inline-block;text-decoration:none;margin-top:10px}
.print-controls{margin:12px 0 25px}.print-controls h1{margin:5px 0 9px}.print-toolbar{display:flex;gap:16px;align-items:end;justify-content:space-between;flex-wrap:wrap;margin:24px 0 15px}
.print-toolbar label{font-size:13px;font-weight:800;flex:1;min-width:260px;max-width:430px}
.print-toolbar select{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid #afbec2;border-radius:7px;background:#fff;color:#12303b;font:inherit}
.print-actions{display:flex;gap:8px;flex-wrap:wrap}.print-actions [aria-pressed=true]{box-shadow:inset 0 0 0 2px #ef7750;background:#f5f9f9}
.privacy-reminder{font-size:13px;color:#54717b;line-height:1.5}
.print-paper{max-width:850px;margin:0 auto;background:#fff;box-shadow:0 8px 25px #24434b19;padding:18mm 17mm;color:#172f38;font-family:Arial,"Segoe UI",sans-serif;line-height:1.45}
.doc-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.doc-mark{font-size:11px;letter-spacing:.15em;font-weight:700}
.doc-kind{font-size:10px;letter-spacing:.06em;color:#6b7780;text-align:right;font-weight:700}.doc-band{height:5px;background:#c8603f;margin:15px 0 30px}
.doc-overline{font-size:10px;font-weight:800;letter-spacing:.12em;color:#ad512f}.doc-title{font-family:Georgia,serif;font-size:29px;line-height:1.13;margin:7px 0 9px;font-weight:600}
.doc-course{font-size:12px;color:#5b6870;margin:0 0 19px}.pupil-identification{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;font-weight:600;margin:20px 0}
.doc-goal{font-size:13px;margin:17px 0 12px}.doc-brief{background:#f3f6f5;border-left:4px solid #ed7b56;padding:11px 15px;font-size:12px;margin:15px 0 21px}
.doc-brief p{margin:6px 0}.doc-hint{font-style:italic;color:#566d75}
.doc-reference{break-inside:avoid;page-break-inside:avoid}
.doc-reference-data{font-size:12px;line-height:1.55;margin:8px 0 12px!important;color:#304a56}
.doc-formula-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:11px 0 13px}
.doc-formula-card{background:#fff;border:1px solid #d1dbde;border-radius:5px;padding:8px 10px;min-width:0;min-height:51px;display:flex;justify-content:space-around;align-items:center;gap:8px}
.doc-formula-primary{grid-column:1/-1;background:#edf3f4;border-left:3px solid #c8603f;min-height:48px;justify-content:center;gap:32px}
.doc-formula-label{color:#4b6470;font-weight:800;font-size:10px;letter-spacing:.01em;white-space:nowrap}
.doc-formula-math{display:inline-flex;align-items:center;gap:4px;white-space:nowrap;font-size:17px;font-weight:800;line-height:1.2;color:#102a35}
.doc-formula-math sub{font-size:.68em;vertical-align:sub}
.doc-formula-primary .doc-formula-math{font-size:20px}
.doc-fraction{display:inline-flex;flex-direction:column;align-items:stretch;vertical-align:middle;text-align:center;font-size:.82em;font-weight:700;line-height:1.12}
.doc-fraction>span:first-child{border-bottom:1.5px solid #102a35;padding:0 8px 3px}
.doc-fraction>span:last-child{padding:3px 8px 0}
@media(max-width:650px){.doc-formula-grid{grid-template-columns:1fr}.doc-formula-primary{grid-column:auto;gap:14px}.doc-formula-card{justify-content:space-between}.doc-formula-primary .doc-formula-math{font-size:18px}}
.doc-question,.doc-solution{page-break-inside:avoid;break-inside:avoid;margin:21px 0 25px}
.doc-question h2,.doc-solution h2{font-size:16px;margin:0 0 6px;font-family:Arial,"Segoe UI",sans-serif;color:#163442}
.doc-question p{font-size:13px;line-height:1.55;margin:8px 0 10px}
.writing-line{height:24px;border-bottom:1px solid #cdd8dc}
.doc-solution ol{margin:9px 0 10px;padding-left:21px;font-size:12.5px;line-height:1.65}
.doc-solution li{margin:5px 0}.doc-result{font-size:13px;padding:9px 12px;background:#f3f7f6;border-left:3px solid #568f79}
.doc-foot{margin-top:27px;padding-top:9px;border-top:1px solid #cbd5d7;font-size:10px;color:#63747b}
@media(max-width:650px){.print-paper{padding:22px 17px}.doc-head{flex-direction:column;align-items:flex-start}.doc-kind{text-align:left}.print-toolbar label{min-width:100%}}
@page{size:A4 portrait;margin:13mm 14mm}
@media print{
 html,body{background:#fff!important;margin:0!important;padding:0!important}
 .print-hide,.print-controls,.mast{display:none!important}
 .printables-root{margin:0;padding:0;max-width:none}
 .print-paper{margin:0;padding:0;max-width:none;box-shadow:none;border:0}
 .doc-title{font-size:24px}.doc-band{margin:11px 0 20px}
 .doc-question,.doc-solution{break-inside:avoid;page-break-inside:avoid}
 .doc-brief,.doc-formula-card{-webkit-print-color-adjust:exact;print-color-adjust:exact}
 .doc-formula-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
 .doc-formula-card{padding:6px 8px;min-height:45px}
 .doc-formula-primary .doc-formula-math{font-size:19px}
 .doc-formula-math{font-size:16px}
 .doc-reference-data{margin:5px 0 9px!important}
 .writing-line{height:21px}
 .doc-foot{font-size:9px}
}