.gcmt{--ink:#263e36;--muted:#62746b;--green:#245d4c;--line:#e2e7de;max-width:1080px;margin:0 auto;padding:52px 32px 24px;color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;text-align:left}
.gcmt *,.gcmt *::before,.gcmt *::after{box-sizing:border-box}.gcmt [hidden]{display:none!important}.gcmt.gcmt h2,.gcmt.gcmt h3,.gcmt.gcmt p{margin:0}
.gcmt-brand-row{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:30px}.gcmt-brand{display:inline-flex;align-items:center;padding:7px 14px;background:#12167e;border-radius:12px}.gcmt-brand img{display:block;width:130px;height:50px;max-width:none;object-fit:contain}.gcmt-brand-row>span{color:var(--muted);font-size:12px}@media(max-width:480px){.gcmt-brand-row>span{max-width:120px;text-align:right}}
.gc-math-page .entry-content>.gcmt{max-width:1080px;background:#f8f7f2;border-radius:24px}.gc-math-page .entry-header>*{max-width:1080px}.gc-math-page .entry-title{font-size:clamp(28px,4vw,42px)}
.gcmt-school-link{max-width:1012px;margin:18px auto 28px;padding:22px 24px;border-radius:16px;background:#f0f4eb;color:#263e36;display:flex;align-items:center;justify-content:space-between;gap:24px}.gcmt-school-link strong{font-size:21px}.gcmt-school-link p{margin:6px 0 0;font-size:15px}.gcmt-school-link a{white-space:nowrap;color:#245d4c;font-weight:700;text-decoration:underline}@media(max-width:760px){.gcmt-school-link{margin:16px 20px;align-items:flex-start;flex-direction:column;gap:14px}}
.gcmt-friend{display:flex;align-items:center;gap:14px;padding:16px 22px;background:#faf4e7;border-bottom:1px solid #eee8dc}.gcmt-friend svg{flex:0 0 78px;overflow:visible}.gcmt .gcmt-friend p{font-size:15px;font-weight:650;line-height:1.4}.gcmt-fox-eyes{transform-box:fill-box;transform-origin:center;animation:gcmt-blink 8s infinite}.gcmt-friend[data-mood="happy"] .gcmt-fox-tail{transform-box:fill-box;transform-origin:left bottom;animation:gcmt-tail .6s ease-in-out 2}.gcmt-friend[data-mood="think"] svg{transform:rotate(-3deg)}@keyframes gcmt-blink{0%,94%,98%,100%{transform:scaleY(1)}96%{transform:scaleY(.1)}}@keyframes gcmt-tail{0%,100%{transform:rotate(0)}50%{transform:rotate(12deg)}}
.gcmt-timer-option{display:flex;align-items:center;gap:9px;font-size:14px;margin:12px 0 4px}.gcmt .gcmt-timer-option input{width:18px;height:18px;accent-color:#245d4c}.gcmt-timer-note,.gcmt-restart-note{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-bottom:14px}.gcmt-question-top{flex-wrap:wrap}.gcmt-clock{color:#62746b;font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap}.gcmt-reset-confirm{margin-top:14px;padding:16px;background:#faf4e7;border:1px solid #e0d4bf;border-radius:12px}.gcmt-reset-confirm button{margin:10px 12px 0 0;padding:10px 16px;border-radius:10px;border:1px solid #c5cdbf;background:#fff;color:var(--ink)}
.gcmt-ad{max-width:720px;min-height:260px;margin:30px auto;text-align:center}.gcmt-ad .gcmt-ad-label{font-size:12px;color:#757575;letter-spacing:.03em;margin-bottom:8px}@media(prefers-reduced-motion:reduce){.gcmt-friend *{animation:none!important;transform:none!important}}@media(max-width:360px){.gcmt [data-question]{font-size:26px}.gcmt [data-answer]{width:66px;font-size:28px}.gcmt-friend{padding:12px;gap:10px}.gcmt-friend svg{flex-basis:65px;width:65px}}
.gcmt-header{margin-bottom:34px}.gcmt .gcmt-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#637366;font-size:11px;font-weight:750;letter-spacing:1.4px}.gcmt-spark{color:#c67736;font-size:25px;line-height:1}
.gcmt.gcmt h2{color:var(--ink);font-size:clamp(32px,5vw,52px);font-weight:750;line-height:1.1;letter-spacing:-1.8px}.gcmt.gcmt h2 span{color:#54856d}.gcmt .gcmt-lead{margin-top:18px;color:var(--muted);font-size:16px;line-height:1.7}
.gcmt-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:36px;align-items:start}.gcmt-settings{padding:20px 0 0;min-width:0}.gcmt-section-label{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.gcmt.gcmt h3{color:var(--ink);font-size:20px;font-weight:700;line-height:1.4}.gcmt-number{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#e5edde;font-size:13px;font-weight:700}.gcmt .gcmt-muted{color:var(--muted);font-size:13px}
.gcmt button{font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}.gcmt button:disabled{cursor:default;opacity:.5}.gcmt button:focus-visible,.gcmt input:focus-visible,.gcmt summary:focus-visible{outline:3px solid #c87931;outline-offset:4px}
.gcmt-tables{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:18px 0}.gcmt-tables button{min-height:46px;padding:8px;border:1px solid #dce3d7;border-radius:12px;color:var(--ink);background:#fff;font-size:18px;font-weight:650}
.gcmt-tables button:first-child{grid-column:1/-1;font-size:14px}.gcmt-tables button[aria-pressed="true"]{background:#e5efdf;border:2px solid #54856d;padding:7px;color:#28533f}.gcmt-tables button:hover:not(:disabled){border-color:#7c9b82;background:#edf3e8}
.gcmt .gcmt-session-note{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0;color:var(--muted);font-size:12px}.gcmt-session-note span+span::before{content:"·";margin-right:12px}
.gcmt .gcmt-primary{display:flex;justify-content:center;align-items:center;gap:16px;width:100%;min-height:52px;padding:12px 18px;border:0;border-radius:14px;background:var(--green);color:#fff;font-size:15px;font-weight:650;box-shadow:0 4px 0 #194637}
.gcmt .gcmt-primary:hover:not(:disabled){background:#1b5140}.gcmt .gcmt-primary:active:not(:disabled){transform:translateY(2px);box-shadow:0 2px 0 #194637}.gcmt .gcmt-primary:disabled{box-shadow:none}.gcmt .gcmt-start{justify-content:space-between}
.gcmt .gcmt-review{width:100%;min-height:46px;margin:12px 0 20px;padding:10px 14px;border:1px solid #cedacb;border-radius:13px;background:transparent;color:var(--green);font-size:14px;font-weight:600}
.gcmt-reference{padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.gcmt-reference summary{min-height:24px;cursor:pointer;color:#456050;font-size:13px;font-weight:600}.gcmt-reference-scroll{overflow:auto;margin-top:12px}
.gcmt-reference table{width:100%;border-collapse:collapse;font-size:12px;font-variant-numeric:tabular-nums}.gcmt-reference th,.gcmt-reference td{padding:6px 3px;text-align:center;border:1px solid #dfe6dc}.gcmt-reference th{background:#eaf0e4;color:#355742}.gcmt-reference caption{margin-bottom:8px;font-size:11px;color:var(--muted)}
.gcmt-print-action{margin-top:18px}.gcmt-print-action button{display:flex;align-items:center;gap:8px;min-height:44px;padding:0;border:0;background:transparent;color:#4b6354;font-size:13px;font-weight:600;text-align:left}.gcmt-print-action button span{font-size:20px}.gcmt-print-action small{display:block;color:var(--muted);font-size:11px;line-height:1.5}
.gcmt-card{min-width:0;min-height:466px;border:1px solid #e0e6dc;border-radius:28px;background:#fff;box-shadow:0 12px 36px #31453308;overflow:hidden}.gcmt-welcome{display:flex;align-items:center;flex-direction:column;padding:30px 28px;text-align:center}
.gcmt-badge{display:inline-flex;align-items:center;padding:6px 12px;border-radius:20px;background:#f1f5eb;color:#517045;font-size:11px;font-weight:650;line-height:1.5}.gcmt-art{width:100%;max-width:350px;height:auto;margin:14px 0 2px}
.gcmt .gcmt-welcome h3{font-size:23px}.gcmt .gcmt-welcome p{margin-top:10px;color:var(--muted);font-size:14px}.gcmt .gcmt-keyboard-hint{color:#627268;font-size:11px}.gcmt .gcmt-welcome .gcmt-keyboard-hint{margin-top:22px}
.gcmt-exercise{padding:28px;text-align:center}.gcmt-question-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.gcmt [data-step]{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.gcmt-progress{display:block;width:100%;height:7px;margin:18px 0 35px;appearance:none;border:0;border-radius:6px;overflow:hidden;background:#edf0e8;accent-color:#719473}.gcmt-progress::-webkit-progress-bar{background:#edf0e8;border-radius:6px}.gcmt-progress::-webkit-progress-value{background:#719473;border-radius:6px}.gcmt-progress::-moz-progress-bar{background:#719473;border-radius:6px}
.gcmt .gcmt-prompt{color:var(--muted);font-size:14px}.gcmt-equation{display:flex;justify-content:center;align-items:center;gap:14px;margin:22px 0 30px;white-space:nowrap}.gcmt [data-question]{font-size:clamp(30px,4.5vw,51px);font-weight:700;letter-spacing:-1px;line-height:1.2;font-variant-numeric:tabular-nums}
.gcmt [data-answer]{min-width:0;width:88px;height:84px;padding:8px;border:2px solid #d0deca;border-radius:18px;background:#f7faf3;color:var(--ink);text-align:center;font:700 40px/1.2 system-ui,sans-serif}.gcmt [data-answer]::placeholder{color:#a2b59a;opacity:1}.gcmt [data-answer]:focus{border-color:#5b8364}.gcmt [data-answer]:disabled{opacity:1;-webkit-text-fill-color:var(--ink)}
.gcmt-exercise .gcmt-keyboard-hint{margin:14px 0}.gcmt-feedback{min-height:48px;margin:14px 0!important;padding:12px 10px;border-radius:12px;font-size:14px;line-height:1.5}.gcmt-feedback:empty{padding:0;min-height:30px}.gcmt-feedback[data-state="correct"]{color:#25583d;background:#edf5e6}.gcmt-feedback[data-state="retry"]{color:#79551d;background:#fff4dd}
.gcmt-completion{padding:30px 32px;text-align:center}.gcmt-medal{display:grid;place-items:center;width:72px;height:72px;margin:22px auto 16px;border-radius:24px;background:#fae8b8;color:#9c7529;font-size:48px;transform:rotate(-7deg)}.gcmt .gcmt-completion h3{font-size:24px}
.gcmt-score{display:block;margin:14px 0 0;color:var(--green);font-size:54px;line-height:1.2;letter-spacing:-2px}.gcmt [data-result]{margin:20px 0 8px;color:#516557;font-size:14px}.gcmt .gcmt-result-next{margin-top:22px;color:#49674e;font-size:13px}
.gcmt-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;margin-top:36px;padding-top:20px;border-top:1px solid var(--line)}.gcmt-progress-summary>span{color:#4d6355;font-size:12px;font-weight:700}.gcmt [data-stats]{margin-top:3px;color:var(--muted);font-size:11px}.gcmt .gcmt-privacy{color:var(--muted);font-size:11px;line-height:1.6}
.gcmt .gcmt-clear{min-height:44px;padding:4px 0;border:0;background:transparent;color:var(--muted);font-size:11px;text-decoration:underline;text-underline-offset:3px}.gcmt .gcmt-storage{margin-top:14px;color:#7b5727;font-size:12px}
@media(max-width:760px){.gcmt{padding:30px 20px 20px}.gcmt-header{margin-bottom:22px}.gcmt-layout{grid-template-columns:minmax(0,1fr);gap:24px}.gcmt-settings{padding-top:0}.gcmt-card{min-height:440px;border-radius:22px}.gcmt-exercise{padding:24px 18px}.gcmt-equation{gap:12px}.gcmt [data-answer]{width:74px;height:72px;font-size:34px}.gcmt [data-question]{font-size:38px}.gcmt-footer{gap:12px;margin-top:24px}.gcmt-privacy{width:100%}}
@media(max-width:360px){.gcmt{padding:26px 14px 18px}.gcmt .gcmt-eyebrow{font-size:9px;letter-spacing:.8px}.gcmt [data-question]{font-size:31px}.gcmt [data-answer]{width:62px;height:64px}.gcmt-equation{gap:8px}.gcmt-welcome{padding:24px 18px}}
@media(prefers-reduced-motion:reduce){.gcmt .gcmt-primary:active:not(:disabled){transform:none}}
@media print{@page{size:A4;margin:18mm}.gcmt-print-parent{display:block!important;margin:0!important;padding:0!important;min-height:0!important;height:auto!important;max-width:none!important;overflow:visible!important}.gcmt-print-parent>:not(.gcmt-print-parent):not(.gcmt-printing){display:none!important}.gcmt-printing{position:relative;left:0;top:0;width:100%;max-width:none;margin:0;padding:0;border:0;background:white;color:black}.gcmt-printing>:not([data-print]){display:none!important}.gcmt-print-page{break-after:page;page-break-after:always}.gcmt-print-page:last-child{break-after:auto;page-break-after:auto}.gcmt-print-page h2{font-size:18pt;letter-spacing:0}.gcmt-print-page ol{padding-left:12mm}.gcmt-print-page li{margin:0 0 9mm;font-size:18pt;break-inside:avoid}}
.gcmt-ad-top{min-height:100px;margin:20px auto 28px}.gcmt-ad-top .gc-rsya-ad{margin:8px auto}.gcmt-ad-top [id^="yandex_rtb_"]{min-height:90px}.gcmt-ad{overflow-wrap:anywhere}