body.ktdoc-course-workspace .widget,
body.ktdoc-course-workspace aside.widget-area,
body.ktdoc-course-workspace .sidebar,
body.ktdoc-course-workspace #secondary,
body.ktdoc-course-workspace .comments-area,
body.ktdoc-course-workspace .entry-footer,
body.ktdoc-course-workspace footer.site-footer{
  display:none!important;
}
body.ktdoc-course-workspace .content-area,
body.ktdoc-course-workspace .site-main,
body.ktdoc-course-workspace .entry-content{
  width:100%!important;max-width:100%!important;margin:0!important;
}
.ktdoc-course-app{box-sizing:border-box;display:grid;grid-template-columns:210px minmax(420px,3fr) minmax(300px,1fr);gap:12px;background:#05070b;color:#f4f6f8;border-radius:14px;padding:12px;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;line-height:1.35;min-height:720px;overflow:hidden}
.ktdoc-course-app *{box-sizing:border-box}.ktdoc-course-app:fullscreen{border-radius:0;width:100vw;height:100dvh;min-height:0;max-height:100dvh;overflow:hidden;padding:10px}.ktdoc-course-app:fullscreen .ktdoc-course-left,.ktdoc-course-app:fullscreen .ktdoc-course-viewer,.ktdoc-course-app:fullscreen .ktdoc-course-right{height:calc(100dvh - 20px);min-height:0;overflow:hidden}.ktdoc-course-app:fullscreen .ktdoc-course-viewer{display:flex;flex-direction:column}.ktdoc-course-app:fullscreen .ktdoc-series{flex:0 0 auto;max-height:74px;overflow:auto}.ktdoc-course-app:fullscreen .ktdoc-canvas-box{flex:1 1 auto;height:auto;min-height:260px}.ktdoc-course-app:fullscreen .ktdoc-controls,.ktdoc-course-app:fullscreen .ktdoc-hint,.ktdoc-course-app:fullscreen .ktdoc-topbar,.ktdoc-course-app:fullscreen .ktdoc-warning{flex:0 0 auto}.ktdoc-course-app:fullscreen .ktdoc-course-right{overflow:auto}.ktdoc-course-app:fullscreen .ktdoc-course-right textarea{min-height:130px}.ktdoc-course-app:fullscreen .ktdoc-course-lessons{overflow:auto}.ktdoc-course-app:fullscreen .ktdoc-left-footer{flex:0 0 auto}
.ktdoc-course-left,.ktdoc-course-viewer,.ktdoc-course-right{background:#0b111b;border:1px solid #20283a;border-radius:12px;padding:10px;min-width:0}.ktdoc-course-left h3{font-size:14px;font-weight:500;margin:0 0 10px;color:#dce7f4;letter-spacing:.01em}.ktdoc-course-lessons{display:flex;flex-direction:column;gap:4px}.ktdoc-course-lesson-btn{width:100%;display:flex;align-items:center;gap:8px;text-align:left;background:transparent;color:#cbd5e1;border:1px solid transparent;border-radius:8px;padding:7px 8px;cursor:pointer;font-size:13px;font-weight:400;line-height:1.25}.ktdoc-course-lesson-btn:hover:not(:disabled){background:#101827;border-color:#253149}.ktdoc-course-lesson-btn.active{background:#152236;border-color:#31527a;color:#fff}.ktdoc-course-lesson-btn.is-locked{opacity:.55;cursor:not-allowed}.ktdoc-lesson-title{font-weight:400;overflow:hidden;text-overflow:ellipsis}.ktdoc-warning{font-size:12px;color:#ffd66b;background:#111827;border:1px solid #30384b;border-radius:9px;padding:8px 10px;margin-bottom:8px;text-align:center}.ktdoc-topbar{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.ktdoc-btn,.ktdoc-primary,.ktdoc-secondary{border:1px solid #334155;border-radius:9px;padding:8px 12px;cursor:pointer;background:#162033;color:#f8fafc;font-size:13px}.ktdoc-btn:hover,.ktdoc-secondary:hover{background:#1d2b44}.ktdoc-primary{background:#1e90ff;border-color:#1e90ff;color:#fff;margin-top:10px}.ktdoc-primary:disabled,.ktdoc-btn:disabled,.ktdoc-secondary:disabled{opacity:.55;cursor:not-allowed}.ktdoc-secondary{width:100%;margin-top:8px;background:#111827;color:#cbd5e1}.ktdoc-series{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.ktdoc-series-btn{background:#141c29;color:#e5edf7;border:1px solid #2b3548;border-radius:8px;padding:6px 9px;cursor:pointer;font-size:12px;font-weight:400}.ktdoc-series-btn.active{background:#1e90ff;border-color:#1e90ff;color:#fff}.ktdoc-series-empty{font-size:12px;color:#ffd66b;padding:8px;border:1px dashed #334155;border-radius:8px;margin-bottom:8px}.ktdoc-canvas-box{height:520px;background:#000;border:1px solid #222;border-radius:12px;position:relative;overflow:hidden}.ktdoc-canvas{width:100%;height:100%;display:block;touch-action:none}.ktdoc-loader{display:none;position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:5;pointer-events:none}.ktdoc-loader.active{display:block}.ktdoc-loader-pill{display:flex;align-items:center;gap:8px;background:rgba(15,23,42,.88);color:#fff;padding:8px 16px;border-radius:999px;font-size:13px;box-shadow:0 6px 22px rgba(0,0,0,.35);backdrop-filter:blur(6px);white-space:nowrap}.ktdoc-loader-pill:before{content:"⟳";display:inline-block;animation:ktdoc-spin 1s linear infinite}@keyframes ktdoc-spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}.ktdoc-controls{display:flex;align-items:center;gap:8px;margin-top:8px}.ktdoc-controls button{background:#202838;color:#fff;border:1px solid #344052;border-radius:8px;padding:8px 12px}.ktdoc-slider{flex:1}.ktdoc-hint{font-size:12px;color:#a8adb5;margin-top:8px}.ktdoc-course-right label{display:block;font-weight:500;margin:9px 0 5px;color:#dce7f4}.ktdoc-timer-box{border:1px solid #263044;background:#101725;border-radius:10px;padding:8px 10px;margin-bottom:8px;font-size:11px;color:#cbd5e1}.ktdoc-timer-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:2px 0;line-height:1.25}.ktdoc-timer-row span{font-weight:400;color:#9ca3af}.ktdoc-timer-row b{font-size:11px;font-weight:500;color:#f8fafc;font-variant-numeric:tabular-nums}.ktdoc-course-right textarea{width:100%;min-height:180px;border-radius:10px;border:1px solid #2b3548;background:#070a10;color:#fff;padding:10px;font-family:ui-monospace,Consolas,monospace;line-height:1.4}.ktdoc-text-wrap{position:relative}.ktdoc-diff-preview{font-size:12px;color:#a8adb5;margin:4px 0 0;max-height:48px;overflow:auto}.ktdoc-diff-new{background:rgba(30,144,255,.2);color:#fff;border-radius:3px}.ktdoc-message{font-size:13px;line-height:1.35;margin-top:10px;color:#ffcc00}.ktdoc-answer-panel{grid-column:1 / -1;display:none}.ktdoc-answer-panel.active{display:block}.ktdoc-answer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.ktdoc-answer-grid pre{white-space:pre-wrap;background:#070a10;border:1px solid #2b3548;border-radius:10px;padding:10px;min-height:160px;color:#fff}.ktdoc-review-timer{float:right;color:#ffcc00}@media(max-width:980px){.ktdoc-course-app{grid-template-columns:1fr}.ktdoc-canvas-box{height:420px}.ktdoc-answer-grid{grid-template-columns:1fr}}@media(max-width:600px){.ktdoc-canvas-box{height:340px}.ktdoc-course-right textarea{min-height:140px}}

/* v1.2.0: subscription check before paid lessons */
.ktdoc-subscription-box{margin:10px 0 12px;font-size:12px;line-height:1.45}
.ktdoc-sub-ok,.ktdoc-sub-warn{border-radius:10px;padding:10px 12px;background:#111827;border:1px solid rgba(255,255,255,.12);color:#d1d5db}
.ktdoc-sub-ok{border-color:rgba(34,197,94,.45)}
.ktdoc-sub-warn{border-color:rgba(245,158,11,.55);background:#17130a}
.ktdoc-sub-actions{margin-top:8px}
.ktdoc-buy-link{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;background:#2563eb;color:#fff!important;text-decoration:none;padding:8px 10px;font-size:12px;cursor:pointer}
.ktdoc-buy-link[disabled]{opacity:.55;cursor:not-allowed;background:#4b5563}

/* v1.4.0: left branding and cleaner lesson column */
.ktdoc-course-left{display:flex;flex-direction:column;min-height:0}
.ktdoc-left-brand{border-bottom:1px solid #20283a;padding:2px 0 10px;margin-bottom:8px}
.ktdoc-left-logo{margin-bottom:7px;line-height:0}
.ktdoc-left-logo img{max-width:132px;max-height:42px;width:auto;height:auto;object-fit:contain}
.ktdoc-left-site{font-size:13px;font-weight:500;color:#f4f6f8;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ktdoc-left-course{font-size:11px;font-weight:400;color:#8f9aab;margin-top:3px;line-height:1.25}
.ktdoc-course-lessons{flex:1;min-height:0;overflow:auto;padding-right:2px}
.ktdoc-left-footer{border-top:1px solid #20283a;margin-top:10px;padding-top:9px;font-size:12px;text-align:center}
.ktdoc-left-footer a{color:#8fbfff;text-decoration:none;font-weight:400}
.ktdoc-left-footer a:hover{text-decoration:underline;color:#cfe4ff}


/* v1.4.1: fullscreen height fix */
.ktdoc-course-app:fullscreen{grid-template-rows:minmax(0,1fr)}
.ktdoc-course-app:fullscreen .ktdoc-course-left{display:flex;flex-direction:column}
.ktdoc-course-app:fullscreen .ktdoc-left-brand{flex:0 0 auto}
.ktdoc-course-app:fullscreen .ktdoc-course-lessons{flex:1 1 auto;min-height:0}
.ktdoc-course-app:fullscreen .ktdoc-left-footer{margin-top:8px;padding-top:8px}
.ktdoc-course-app:fullscreen .ktdoc-hint{font-size:11px;line-height:1.25;max-height:30px;overflow:hidden}
.ktdoc-course-app:fullscreen .ktdoc-warning{font-size:11px;line-height:1.25;padding:6px 8px;margin-bottom:6px}
.ktdoc-course-app:fullscreen .ktdoc-topbar{margin-bottom:6px}
.ktdoc-course-app:fullscreen .ktdoc-controls{margin-top:6px}
.ktdoc-course-app:fullscreen .ktdoc-course-viewer{min-width:0}
.ktdoc-course-app:fullscreen .ktdoc-course-right label{margin:6px 0 4px}
@media(max-height:760px){.ktdoc-course-app:fullscreen .ktdoc-warning{display:none}.ktdoc-course-app:fullscreen .ktdoc-series{max-height:56px}.ktdoc-course-app:fullscreen .ktdoc-hint{display:none}.ktdoc-course-app:fullscreen .ktdoc-course-right textarea{min-height:110px}}

/* v1.5.0: ProstoID block and fixed left bottom branding */
.ktdoc-course-left{display:flex;flex-direction:column;min-height:0;overflow:hidden}
.ktdoc-course-lessons-scroll{flex:1 1 auto;min-height:0;overflow:auto;padding-right:2px}
.ktdoc-left-bottom{flex:0 0 auto;border-top:1px solid #20283a;margin-top:8px;padding-top:8px;background:#0b111b}
.ktdoc-prostoid-box{border:1px solid #1f2937;background:#0f1724;border-radius:10px;padding:8px 9px;margin-bottom:8px;font-size:11px;line-height:1.25;color:#a8b3c3}
.ktdoc-prostoid-title{font-size:12px;font-weight:500;color:#dce7f4;margin-bottom:4px}
.ktdoc-prostoid-box.is-connected .ktdoc-prostoid-title{color:#9ee7b7}
.ktdoc-prostoid-name{font-size:11px;color:#f4f6f8;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:5px}
.ktdoc-prostoid-login{display:inline-block;color:#8fbfff;text-decoration:none;font-size:12px;margin-top:2px}
.ktdoc-prostoid-login:hover{text-decoration:underline;color:#cfe4ff}
.ktdoc-prostoid-sub{margin-top:6px;color:#cbd5e1;font-size:11px}
.ktdoc-prostoid-sub span{color:#8f9aab}
.ktdoc-left-footer{margin-top:0;padding-top:0;border-top:0;text-align:left;font-size:11px;line-height:1.35;color:#8f9aab}
.ktdoc-left-footer a{display:inline-block;color:#8fbfff;text-decoration:none;font-size:12px}
.ktdoc-left-footer a:hover{text-decoration:underline;color:#cfe4ff}
.ktdoc-version{font-size:10px;color:#687384;margin-top:4px}
.ktdoc-course-app:fullscreen .ktdoc-course-lessons-scroll{flex:1 1 auto;min-height:0;overflow:auto}
.ktdoc-course-app:fullscreen .ktdoc-left-bottom{flex:0 0 auto}
.ktdoc-pay-box{margin-top:10px;padding:10px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.04);font-size:12px;line-height:1.35}
.ktdoc-pay-note{opacity:.76;margin:4px 0 8px}.ktdoc-pay-row,.ktdoc-pay-total{display:flex;justify-content:space-between;gap:10px;padding:4px 0;border-top:1px solid rgba(255,255,255,.08)}
.ktdoc-pay-total{margin-top:4px;font-size:13px}.ktdoc-pay-row span{min-width:0}.ktdoc-buy-link{display:inline-flex;align-items:center;justify-content:center;margin-top:8px;width:100%;border:0;border-radius:10px;padding:8px 10px;background:#1e90ff;color:#fff;text-decoration:none;cursor:pointer;font-weight:600}
.ktdoc-buy-link[disabled]{opacity:.55;cursor:not-allowed}

.ktdoc-mode-box{border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:12px;background:rgba(255,255,255,.04);font-size:12px;line-height:1.35}
.ktdoc-mode-box p{margin:6px 0 10px;color:#aeb7c2}
.ktdoc-mode-grid{display:grid;gap:8px}
.ktdoc-mode-card{width:100%;text-align:left;border:1px solid rgba(255,255,255,.14);background:rgba(0,0,0,.22);color:#e7edf5;border-radius:10px;padding:10px;cursor:pointer;font:inherit;display:grid;gap:4px}
.ktdoc-mode-card:hover,.ktdoc-mode-card.selected{border-color:#5aa7ff;background:rgba(90,167,255,.12)}
.ktdoc-mode-card span{color:#b7c0cc}.ktdoc-mode-card strong{margin-top:4px;font-size:14px;color:#fff}
.ktdoc-mode-card:disabled{opacity:.75;cursor:default}

/* v1.9.0 Security Final: смартфоны не поддерживаются */
.ktdoc-device-block{display:none;position:absolute;inset:0;z-index:50;background:#05070b;color:#f4f6f8;align-items:center;justify-content:center;text-align:center;padding:24px}
.ktdoc-device-block>div{max-width:520px;border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:24px;background:rgba(255,255,255,.06)}
.ktdoc-device-block h2{margin:0 0 10px;font-size:22px;font-weight:600}.ktdoc-device-block p{font-size:14px;line-height:1.55;color:#cfd5df}
@media (max-width:1023px){.ktdoc-course-app>*:not(.ktdoc-device-block){display:none!important}.ktdoc-course-app{min-height:100dvh;position:relative}.ktdoc-device-block{display:flex}}


/* v2.1.0 Tabs Layout */
.ktdoc-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin:0 0 8px}
.ktdoc-tab{border:1px solid #2b3548;background:#101827;color:#cbd5e1;border-radius:8px;padding:7px 6px;font-size:12px;font-weight:400;cursor:pointer;white-space:nowrap}
.ktdoc-tab:hover{background:#172235;color:#fff}
.ktdoc-tab.active{background:#1e90ff;border-color:#1e90ff;color:#fff}
.ktdoc-tab-panels{min-height:0;overflow:auto;padding-right:2px}
.ktdoc-tab-panel{display:none}
.ktdoc-tab-panel.active{display:block}
.ktdoc-task-card{border:1px solid #263044;background:#101725;border-radius:10px;padding:10px;color:#dce7f4;font-size:13px;line-height:1.45}
.ktdoc-task-card h3{margin:0 0 8px;font-size:14px;font-weight:500;color:#fff}
.ktdoc-task-card p{margin:0 0 8px}
.ktdoc-task-muted{font-size:12px;color:#9ca3af}
.ktdoc-result-placeholder{border:1px dashed #334155;border-radius:10px;padding:12px;color:#9ca3af;font-size:13px;line-height:1.4;background:#0b111b}
.ktdoc-answer-panel{grid-column:auto!important;display:none;margin-top:0}
.ktdoc-answer-panel.active{display:block}
.ktdoc-answer-panel h3{font-size:14px;font-weight:500;margin:0 0 8px;color:#fff}
.ktdoc-answer-grid{grid-template-columns:1fr;gap:8px}
.ktdoc-answer-grid h4{font-size:12px;font-weight:500;margin:0 0 5px;color:#dce7f4}
.ktdoc-answer-grid pre{min-height:110px;max-height:220px;overflow:auto;font-size:12px}
.ktdoc-review-timer{float:none;font-size:12px;margin-bottom:8px}
.ktdoc-course-right{display:flex;flex-direction:column;min-height:0}
.ktdoc-course-right textarea{min-height:260px}
.ktdoc-loader-pill{font-weight:400}

/* v2.2/v2.3: lesson types, builder, and manual pane resize */
.ktdoc-course-app{grid-template-columns:210px minmax(360px,3fr) 8px minmax(300px,1fr)}
.ktdoc-pane-resizer{cursor:col-resize;background:linear-gradient(180deg,transparent,#263044,transparent);border-radius:8px;min-width:8px;align-self:stretch;opacity:.75}
.ktdoc-pane-resizer:hover,.ktdoc-course-app.is-resizing .ktdoc-pane-resizer{background:#1e90ff;opacity:1}
.ktdoc-lesson-blocks{display:grid;gap:10px;margin-top:10px}
.ktdoc-builder-block{border:1px solid #263044;background:#0b111b;border-radius:10px;padding:10px;font-size:13px;color:#dce7f4}
.ktdoc-builder-block label{margin:0 0 6px!important;font-size:12px;color:#dce7f4;font-weight:500}
.ktdoc-builder-block textarea{min-height:96px!important;width:100%;resize:vertical}
.ktdoc-builder-block input[type="text"]{width:100%;border-radius:8px;border:1px solid #2b3548;background:#070a10;color:#fff;padding:8px}
.ktdoc-builder-block .ktdoc-option{display:flex;align-items:center;gap:7px;margin:6px 0;color:#cbd5e1;font-size:12px}
.ktdoc-builder-text{font-size:13px;color:#cbd5e1;line-height:1.45}
.ktdoc-manual-review-note{border:1px solid rgba(245,158,11,.45);background:#17130a;border-radius:10px;padding:10px;color:#facc15;font-size:13px;line-height:1.4}
.ktdoc-tabs.is-compact{grid-template-columns:repeat(3,1fr)}
@media(max-width:1023px){.ktdoc-pane-resizer{display:none}}

/* v2.3.1: lesson status labels without duplicating existing viewer/resize/mobile features */
.ktdoc-lesson-icon{flex:0 0 18px;text-align:center;line-height:1}
.ktdoc-lesson-text{min-width:0;display:flex;flex-direction:column;gap:1px}
.ktdoc-lesson-status{font-size:10.5px;line-height:1.1;color:#8f9aab;font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ktdoc-course-lesson-btn.is-pending .ktdoc-lesson-status{color:#facc15}
.ktdoc-course-lesson-btn.is-revision .ktdoc-lesson-status{color:#fb923c}
.ktdoc-course-lesson-btn.is-passed .ktdoc-lesson-status{color:#86efac}
.ktdoc-course-lesson-btn.is-failed .ktdoc-lesson-status{color:#fca5a5}
.ktdoc-course-lesson-btn.is-started .ktdoc-lesson-status{color:#93c5fd}
.ktdoc-course-lesson-btn.is-locked .ktdoc-lesson-status{color:#7b8494}

.ktdoc-mode-table-wrap{overflow:auto;margin:8px 0 10px;border:1px solid rgba(255,255,255,.12);border-radius:10px}
.ktdoc-mode-table{width:100%;border-collapse:collapse;font-size:11px;min-width:360px}
.ktdoc-mode-table th,.ktdoc-mode-table td{padding:7px 8px;border-bottom:1px solid rgba(255,255,255,.08);vertical-align:top;text-align:left}
.ktdoc-mode-table th{color:#fff;background:rgba(255,255,255,.06);font-weight:600}
.ktdoc-mode-table td:first-child{color:#aeb7c2;width:34%}
.ktdoc-mode-card em{color:#ffcf7a;font-style:normal;font-size:11px}

/* v2.6.1 lesson type UI */
.ktdoc-task-fix{margin-top:12px;width:100%;}
.ktdoc-tabs.is-compact .ktdoc-tab{font-size:13px;}


/* v2.7.4: full workspace result comparison */
.ktdoc-course-app.is-result-mode{grid-template-columns:210px minmax(0,1fr)!important;grid-template-rows:minmax(0,1fr)}
.ktdoc-course-app.is-result-mode .ktdoc-course-viewer,
.ktdoc-course-app.is-result-mode .ktdoc-pane-resizer{display:none!important}
.ktdoc-course-app.is-result-mode .ktdoc-course-right{grid-column:2 / -1;display:flex;flex-direction:column;min-height:0;overflow:hidden}
.ktdoc-course-app.is-result-mode .ktdoc-timer-box,
.ktdoc-course-app.is-result-mode .ktdoc-tabs,
.ktdoc-course-app.is-result-mode .ktdoc-tab-panel:not([data-panel="result"]){display:none!important}
.ktdoc-course-app.is-result-mode .ktdoc-tab-panels{flex:1 1 auto;min-height:0;overflow:hidden;padding-right:0}
.ktdoc-course-app.is-result-mode .ktdoc-tab-panel[data-panel="result"].active{display:flex;flex-direction:column;height:100%;min-height:0}
.ktdoc-course-app.is-result-mode .ktdoc-answer-panel.active{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;height:100%}
.ktdoc-course-app.is-result-mode .ktdoc-answer-panel h3{flex:0 0 auto;margin-bottom:6px}
.ktdoc-result-head-actions{display:flex;justify-content:flex-end;gap:8px;margin:-30px 0 8px 0;min-height:30px}
.ktdoc-result-head-actions .ktdoc-secondary{width:auto;margin:0;padding:6px 10px;font-size:12px}
.ktdoc-course-app.is-result-mode .ktdoc-review-timer{float:none;flex:0 0 auto;text-align:right;margin-bottom:8px;font-size:12px;color:#ffcc00}
.ktdoc-course-app.is-result-mode .ktdoc-answer-grid{display:grid!important;grid-template-columns:minmax(0,1fr) minmax(0,1fr)!important;gap:12px;flex:1 1 auto;min-height:0}
.ktdoc-course-app.is-result-mode .ktdoc-answer-grid>div{display:flex;flex-direction:column;min-height:0}
.ktdoc-course-app.is-result-mode .ktdoc-answer-grid h4{flex:0 0 auto;font-size:13px;margin:0 0 6px;color:#dce7f4}
.ktdoc-course-app.is-result-mode .ktdoc-answer-grid pre{flex:1 1 auto;min-height:0!important;max-height:none!important;height:auto;overflow:auto;font-size:13px;line-height:1.45;padding:12px}
.ktdoc-course-app.is-result-mode #ktdocCompleteReviewBtn{flex:0 0 auto;margin-top:10px;width:max-content;align-self:flex-end}
.ktdoc-course-app:fullscreen.is-result-mode .ktdoc-course-right{height:calc(100dvh - 20px)}
@media(max-width:1023px){.ktdoc-course-app.is-result-mode .ktdoc-answer-grid{grid-template-columns:1fr!important}.ktdoc-result-head-actions{margin:0 0 8px 0}}


/* v2.7.5: compact lesson panel toggle and stable result return */
.ktdoc-topbar-left{display:flex;align-items:center;gap:8px}
.ktdoc-icon-btn{min-width:36px;width:36px;padding:8px 0;text-align:center;font-size:16px;line-height:1}
.ktdoc-course-app.is-left-collapsed{grid-template-columns:0 minmax(360px,3fr) 8px minmax(300px,1fr)!important}
.ktdoc-course-app.is-left-collapsed .ktdoc-course-left{overflow:hidden;padding-left:0!important;padding-right:0!important;border-width:0!important;visibility:hidden;pointer-events:none}
.ktdoc-course-app.is-left-collapsed.is-result-mode{grid-template-columns:0 minmax(0,1fr)!important}
.ktdoc-course-app.is-left-collapsed.is-result-mode .ktdoc-course-right{grid-column:2 / -1}
.ktdoc-course-app.is-left-collapsed:fullscreen .ktdoc-course-left{display:block!important}


/* v2.8.2: Weekly cases interface */
.ktdoc-answer-panel.ktdoc-info-panel .ktdoc-answer-grid{display:block!important;}
.ktdoc-answer-panel.ktdoc-info-panel .ktdoc-answer-grid>div:nth-child(2){display:none!important;}
.ktdoc-answer-panel.ktdoc-info-panel #ktdocAnswerText{max-height:520px;min-height:260px;white-space:pre-wrap;}
#ktdocWeeklyConclusionBlock{margin-top:12px;}

/* Course catalog v3.2.0 */
.ktdoc-catalog{max-width:1180px;margin:24px auto;padding:0 16px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.ktdoc-catalog h2{font-size:28px;margin:0 0 18px;color:#111827}
.ktdoc-catalog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.ktdoc-catalog-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.06);display:flex;flex-direction:column;min-height:100%}
.ktdoc-catalog-thumb{height:150px;background:#0b1220;display:flex;align-items:center;justify-content:center;overflow:hidden}
.ktdoc-catalog-thumb-img{width:100%;height:100%;object-fit:cover;display:block}
.ktdoc-catalog-body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.ktdoc-catalog-type{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#64748b}
.ktdoc-catalog-card h3{font-size:20px;line-height:1.25;margin:0;color:#111827}
.ktdoc-catalog-summary{font-size:14px;line-height:1.45;color:#374151;margin:0}
.ktdoc-catalog-meta{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:#475569}
.ktdoc-catalog-meta span{background:#f1f5f9;border-radius:999px;padding:4px 8px}
.ktdoc-catalog-prices{display:grid;gap:8px;margin-top:auto}
.ktdoc-catalog-buy{border:1px solid #dbeafe;background:#eff6ff;color:#0f172a;border-radius:12px;padding:10px 12px;text-align:left;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px}
.ktdoc-catalog-buy:hover{background:#dbeafe}
.ktdoc-catalog-buy:disabled{opacity:.55;cursor:not-allowed;background:#f8fafc;border-color:#e5e7eb}
.ktdoc-catalog-buy b{white-space:nowrap;color:#1d4ed8}
.ktdoc-catalog-buy em{font-size:12px;color:#b91c1c;font-style:normal}
.ktdoc-catalog-open,.ktdoc-catalog-details{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:12px;padding:10px 12px;font-size:14px;margin-top:2px}
.ktdoc-catalog-open{background:#111827;color:#fff}
.ktdoc-catalog-details{background:#f8fafc;color:#111827;border:1px solid #e5e7eb}
.ktdoc-catalog-owned{color:#047857;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:12px;padding:8px 10px;font-size:14px;margin-top:auto}
.ktdoc-catalog-login-note,.ktdoc-catalog-payment-message{font-size:13px;color:#64748b;line-height:1.35}
.ktdoc-catalog-payment-message{min-height:18px;color:#b45309}
@media(max-width:720px){.ktdoc-catalog{padding:0 10px}.ktdoc-catalog-grid{grid-template-columns:1fr}}

/* Course pages v3.2.1 */
.ktdoc-course-page{max-width:1180px;margin:24px auto;padding:0 16px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#111827}
.ktdoc-course-page-head{display:grid;grid-template-columns:240px minmax(0,1fr);gap:22px;align-items:center;background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:18px;box-shadow:0 8px 24px rgba(15,23,42,.06);margin-bottom:18px}
.ktdoc-course-page-thumb{width:100%;max-height:180px;object-fit:cover;border-radius:14px;background:#0b1220}
.ktdoc-course-page h1{font-size:34px;line-height:1.12;margin:6px 0 12px;color:#111827}
.ktdoc-course-page h2{font-size:22px;margin:0 0 12px;color:#111827}
.ktdoc-course-page-desc,.ktdoc-course-program,.ktdoc-course-buy-box{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:18px;margin:14px 0;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.ktdoc-course-program ol{columns:2;column-gap:30px;margin:0;padding-left:22px}
.ktdoc-course-program li{break-inside:avoid;padding:4px 0;color:#374151}
.ktdoc-course-page-actions{margin:16px 0}
.ktdoc-course-buy-box .ktdoc-catalog-prices{max-width:520px}
@media(max-width:820px){.ktdoc-course-page-head{grid-template-columns:1fr}.ktdoc-course-program ol{columns:1}.ktdoc-course-page h1{font-size:28px}}

.ktdoc-author-meta{font-size:12px;color:#6b7280;margin-top:10px;border-top:1px solid #e5e7eb;padding-top:8px;}

/* v3.4.1: course draft placeholder */
.ktdoc-draft-placeholder,
.ktdoc-draft-card{
  border:1px solid rgba(148,163,184,.35);
  background:rgba(15,23,42,.04);
  border-radius:14px;
  padding:18px;
  margin:12px 0;
}
.ktdoc-draft-placeholder h3,
.ktdoc-draft-card h3{margin:6px 0 8px;font-size:18px;}
.ktdoc-draft-placeholder p,
.ktdoc-draft-card p{margin:0;color:#475569;line-height:1.5;}
.ktdoc-draft-badge{
  display:inline-block;
  font-size:12px;
  line-height:1;
  border-radius:999px;
  padding:6px 10px;
  background:#fef3c7;
  color:#92400e;
  border:1px solid #fde68a;
}