.kt{--kt-orange:#ff5726;--kt-ink:#172033;--kt-muted:#667085;--kt-line:#e3e7ee;color:var(--kt-ink);font:16px/1.5 Inter,Manrope,"Segoe UI",Arial,sans-serif}.kt *{box-sizing:border-box}.kt-shell{width:min(760px,100%);margin:auto;padding:24px;background:#fff;border:1px solid var(--kt-line);border-radius:20px}.kt-eyebrow{color:var(--kt-orange);font-size:11px;font-weight:900;letter-spacing:.09em;text-transform:uppercase}.kt h1,.kt h2{margin:8px 0}.kt-muted{color:var(--kt-muted)}.kt-button{display:inline-flex;min-height:50px;align-items:center;justify-content:center;padding:11px 17px;border:0;border-radius:12px;color:#fff;background:var(--kt-orange);font:800 15px inherit;cursor:pointer}.kt-button.secondary{color:var(--kt-ink);background:#f2f4f7}.kt-actions{display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap;margin-top:18px}.kt-progress{height:8px;margin:15px 0 22px;overflow:hidden;background:#edf0f4;border-radius:99px}.kt-progress span{display:block;height:100%;width:0;background:var(--kt-orange);transition:width .2s}.kt-option{display:flex;min-height:54px;align-items:flex-start;gap:11px;margin:9px 0;padding:13px;border:1px solid var(--kt-line);border-radius:12px;cursor:pointer}.kt-option:has(input:checked){border-color:#ff9f79;background:#fff5f0}.kt-option input{width:20px;height:20px;flex:0 0 auto}.kt-message{padding:13px;color:#a9251f;background:#fff0ef;border-radius:11px}.kt-result{display:grid;grid-template-columns:110px 1fr;align-items:center;gap:18px;padding:20px;background:#f7f8fa;border-radius:16px}.kt-grade{display:grid;width:100px;height:100px;place-items:center;color:#fff;background:linear-gradient(135deg,#ff5726,#ff8247);border-radius:50%;font-size:43px;font-weight:900}.kt-review details{margin-top:10px;padding:13px;background:#f7f8fa;border-radius:11px}.kt-review summary{cursor:pointer;font-weight:800}.kt-correct{color:#067647}.kt-wrong{color:#b42318}
.kt-widget-button{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;min-height:56px;align-items:center;gap:10px;padding:12px 18px;border:0;border-radius:99px;color:#fff;background:#ff5726;box-shadow:0 15px 35px rgba(255,87,38,.3);font:800 15px system-ui;cursor:pointer}.kt-widget-button::before{content:"?";display:grid;width:30px;height:30px;place-items:center;color:#ff5726;background:#fff;border-radius:50%;font-size:18px}.kt-dialog{width:min(820px,calc(100% - 24px));max-height:calc(100vh - 24px);padding:0;border:0;border-radius:24px;box-shadow:0 30px 90px rgba(20,28,42,.28)}.kt-dialog::backdrop{background:rgba(17,24,39,.55);backdrop-filter:blur(5px)}.kt-dialog-head{position:sticky;top:0;z-index:2;display:flex;justify-content:flex-end;padding:10px;background:#fff}.kt-dialog-close{width:44px;height:44px;border:0;border-radius:50%;font-size:25px;cursor:pointer}.kt-dialog .kt{padding:0 18px 20px}.kt-dialog .kt-shell{border:0;padding-top:4px}
.kt-random-notice{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 14px;margin:18px 0;padding:16px 18px;color:#075f3a;background:#edf9f2;border:1px solid #ccebd9;border-radius:14px}.kt-random-notice::before{grid-row:1/3;content:"↻";display:grid;width:40px;height:40px;place-items:center;color:#fff;background:#079455;border-radius:11px;font-size:23px;font-weight:900}.kt-random-notice strong,.kt-random-notice span{display:block}.kt-random-notice span{color:#416254}
@media(max-width:600px){.kt-shell{padding:18px;border-radius:16px}.kt-actions{display:grid;grid-template-columns:1fr}.kt-button{width:100%;min-height:54px}.kt-result{grid-template-columns:1fr;text-align:center}.kt-grade{margin:auto}.kt-widget-button{right:12px;bottom:12px;padding:10px 14px}.kt-dialog{width:100%;height:100%;max-height:100%;border-radius:0}.kt-dialog .kt{padding:0 10px 20px}}