.kt-block{margin:0 0 1rem}.kt-text{line-height:1.65;overflow-wrap:break-word}.kt-text h1,.kt-text h2,.kt-text h3{line-height:1.3;margin:1.2em 0 .4em}.kt-text p{margin:.6em 0}.kt-text ul,.kt-text ol{padding-left:1.4em;margin:.6em 0}.kt-text img{max-width:100%;border-radius:8px}.kt-text pre{background:var(--kt-code-bg, #0f172a);color:var(--kt-code-text, #e2e8f0);padding:.75rem 1rem;border-radius:8px;overflow-x:auto}.kt-text pre code{background:transparent;color:inherit;padding:0}.kt-text code{background:var(--kt-inline-code, #eef2ff);padding:.1rem .35rem;border-radius:4px;font-size:.92em}.kt-text blockquote{border-left:4px solid var(--kt-focus, #c7d2fe);margin:.75rem 0;padding:.25rem 1rem;color:var(--kt-muted, #64748b);background:var(--kt-surface-2, #f8fafc)}.kt-text a{color:var(--kt-accent, #4f46e5)}.kt-image{margin:0 0 1rem}.kt-image img{max-width:100%;border-radius:10px;display:block}.kt-image figcaption{font-size:.875rem;color:var(--kt-muted, #64748b);margin-top:.4rem}.kt-slide-stage{position:relative}.kt-slide-nav{position:absolute;top:0;bottom:0;width:48px;padding:0;border:none;display:flex;align-items:center;justify-content:center;color:#fff;font:inherit;font-size:30px;line-height:1;cursor:pointer;text-shadow:0 1px 6px rgba(15,23,42,.55);touch-action:manipulation;z-index:2}.kt-slide-prev{left:0;border-radius:8px 0 0 8px;background:linear-gradient(to right,#0f172a80,#0f172a00)}.kt-slide-next{right:0;border-radius:0 8px 8px 0;background:linear-gradient(to left,#0f172a80,#0f172a00)}.kt-slide-nav:hover{background-color:#0f172a40}.kt-slide-count{position:absolute;right:.5rem;bottom:.5rem;background:#0f172a99;color:#fff;font-size:.8rem;border-radius:999px;padding:.15rem .6rem;pointer-events:none;z-index:2}.kt-missing{background:var(--kt-danger-soft, #fef2f2);color:var(--kt-danger, #b91c1c);padding:.75rem 1rem;border-radius:8px}.kt-runner{border:1px solid var(--kt-border, #e2e8f0);border-radius:12px;padding:1rem 1.25rem;background:var(--kt-surface, #ffffff);margin:0 0 1rem}.kt-runner-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem}.kt-runner-title{margin:0 0 .75rem;font-size:1.05rem}.kt-timer{font-variant-numeric:tabular-nums;font-weight:600;color:var(--kt-text, #0f172a)}.kt-timer-low{color:var(--kt-danger-strong, #dc2626)}.kt-hint{color:var(--kt-muted, #64748b);font-size:.875rem;margin:.25rem 0 .75rem}.kt-progress{height:6px;border-radius:999px;background:var(--kt-border, #e2e8f0);overflow:hidden;margin:.35rem 0 .75rem}.kt-progress-bar{height:100%;background:var(--kt-accent, #4f46e5);border-radius:999px;transition:width .25s ease}.kt-questions{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:1rem}.kt-question-text{font-weight:600;margin-bottom:.5rem}.kt-options{display:flex;flex-direction:column;gap:.4rem}.kt-option{text-align:left;padding:.5rem .75rem;border:1px solid var(--kt-border, #e2e8f0);border-radius:8px;background:var(--kt-surface-2, #f8fafc);color:inherit;cursor:pointer;font:inherit}.kt-option:hover:not(:disabled){border-color:var(--kt-accent-border, #a5b4fc);background:var(--kt-accent-soft, #eef2ff)}.kt-option:disabled{cursor:default;opacity:.75}.kt-option-selected{border-color:var(--kt-accent, #4f46e5);background:var(--kt-accent-soft, #eef2ff);opacity:1}.kt-option-correct{border-color:var(--kt-success-strong, #16a34a);background:var(--kt-success-soft, #f0fdf4);opacity:1}.kt-option-wrong{border-color:var(--kt-danger-strong, #dc2626);background:var(--kt-danger-soft, #fef2f2);opacity:1}.kt-explanation{margin:.5rem 0 0;color:var(--kt-success, #166534);background:var(--kt-success-soft, #f0fdf4);border-radius:8px;padding:.5rem .75rem;font-size:.9rem}.kt-wrong-note{margin:.5rem 0 0;color:var(--kt-danger, #b91c1c);font-size:.875rem}.kt-actions{display:flex;gap:.5rem;margin-top:1rem}.kt-btn{font:inherit;padding:.5rem 1rem;border-radius:8px;border:1px solid var(--kt-border-strong, #cbd5e1);background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);cursor:pointer}.kt-btn:hover:not(:disabled){background:var(--kt-surface-2, #f1f5f9)}.kt-btn:disabled{opacity:.5;cursor:default}.kt-btn-primary{background:var(--kt-accent, #4f46e5);border-color:var(--kt-accent, #4f46e5);color:var(--kt-on-accent, #ffffff)}.kt-btn-primary:hover:not(:disabled){background:var(--kt-accent-strong, #4338ca)}.kt-passed{margin-top:.75rem;background:var(--kt-success-soft, #f0fdf4);color:var(--kt-success, #166534);border:1px solid var(--kt-success-border, #bbf7d0);padding:.6rem .9rem;border-radius:8px}.kt-failed{margin-top:.75rem;background:var(--kt-danger-soft, #fef2f2);color:var(--kt-danger, #b91c1c);border:1px solid var(--kt-danger-border, #fecaca);padding:.6rem .9rem;border-radius:8px}.kt-dd-zones{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem;margin-top:.75rem}.kt-dd-zone{border:2px dashed var(--kt-border-strong, #cbd5e1);border-radius:10px;padding:.6rem;min-height:84px;background:var(--kt-surface-2, #f8fafc)}.kt-dd-zone-over{border-color:var(--kt-accent, #4f46e5);background:var(--kt-accent-soft, #eef2ff)}.kt-dd-zone-title{font-weight:600;font-size:.9rem;margin-bottom:.5rem}.kt-dd-pool{margin-top:0}.kt-dd-items{display:flex;flex-wrap:wrap;gap:.4rem;min-height:34px}.kt-dd-item{touch-action:none;-webkit-user-select:none;user-select:none;padding:.4rem .7rem;background:var(--kt-surface, #ffffff);border:1px solid var(--kt-border-strong, #cbd5e1);border-radius:8px;cursor:grab;box-shadow:0 1px 2px var(--kt-shadow, rgba(15, 23, 42, .08))}.kt-dd-item:active{cursor:grabbing}.kt-dd-item-dragging{opacity:.7;box-shadow:0 6px 16px var(--kt-shadow-strong, rgba(15, 23, 42, .2))}.kt-dd-item-wrong{border-color:var(--kt-danger-strong, #dc2626);background:var(--kt-danger-soft, #fef2f2)}.kt-video{display:block;width:100%;border-radius:10px;background:#000}.kt-audio{display:block;width:100%}.kt-narration{display:inline-flex;align-items:center;gap:.35rem;padding:.2rem .55rem .2rem .65rem;background:#6366f114;border:1px solid rgba(99,102,241,.22);border-radius:999px}.kt-narration-label{flex:none;font-size:.9rem;color:#6366f1;-webkit-user-select:none;user-select:none}.kt-narration-btn{flex:none;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;padding:0;border:1px solid rgba(99,102,241,.35);border-radius:50%;background:#6366f11f;color:#4f46e5;cursor:pointer}.kt-narration-btn:hover{background:#6366f140}.kt-narrated{display:flex;align-items:flex-start;gap:.75rem}.kt-narrated .kt-narration{padding:0;border:none;background:none;border-radius:0}.kt-narrated .kt-narration-label{display:none}.kt-narrated .kt-narration-btn{margin-top:.1rem}.kt-narrated>.kt-text{flex:1;min-width:0}.kt-narrated>:not(.kt-narration){flex:1;min-width:0}.kt-dd-item{display:flex;flex-direction:column;align-items:center;gap:.3rem;text-align:center}.kt-dd-item-img{max-width:150px;max-height:90px;object-fit:contain;border-radius:6px;pointer-events:none}.kt-table-scroll{overflow-x:auto;max-width:100%;overscroll-behavior-x:contain}.kt-table-wrap{min-width:0;max-width:100%}.kt-table{border-collapse:collapse;width:100%;min-width:max-content;font-size:.95rem}.kt-table th,.kt-table td{border:1px solid var(--kt-border, #e2e8f0);padding:.5rem .7rem;text-align:left;vertical-align:top;overflow-wrap:break-word;min-width:96px}.kt-table th{background:var(--kt-accent-soft, #eef2ff);color:var(--kt-accent-text, #4338ca);font-weight:600}.kt-table tbody tr:nth-child(2n):not(.kt-table-head) td{background:var(--kt-surface-2, #f8fafc)}.kt-table-title{font-weight:600;margin-bottom:.4rem}.kt-mindmap{min-width:0;max-width:100%;position:relative}.kt-mm-zoom{position:absolute;top:.35rem;right:.35rem;display:flex;gap:.25rem;z-index:2}.kt-mm-zoom button{font:inherit;font-size:.85rem;font-weight:600;min-width:34px;height:34px;padding:0 .5rem;border-radius:8px;border:1px solid var(--kt-border-strong, #cbd5e1);background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.kt-mm-zoom button:hover{background:var(--kt-surface-2, #f8fafc)}.kt-mindmap-scroll{overflow:auto;overscroll-behavior:contain;padding:.5rem;border:1px solid var(--kt-border, #e2e8f0);border-radius:10px;background-color:var(--kt-surface-2, #f8fafc);background-image:radial-gradient(var(--kt-border, #e2e8f0) 1px,transparent 1px);background-size:22px 22px}.kt-mindmap-svg{display:block;touch-action:auto}.kt-mm-node{fill:var(--kt-surface, #ffffff);stroke:var(--kt-border-strong, #cbd5e1);stroke-width:1.5}.kt-mm-text{font-size:13px;font-family:inherit;fill:var(--kt-text, #0f172a)}.kt-mm-text.kt-mm-accent{font-weight:700}.kt-mm-link{stroke:var(--kt-border-strong, #cbd5e1);stroke-width:2;fill:none}.kt-mm-arrowhead{fill:var(--kt-border-strong, #cbd5e1)}.kt-mm-label-bg{fill:var(--kt-surface, #ffffff);stroke:var(--kt-border, #e2e8f0)}.kt-mm-label{font-size:11px;font-family:inherit;fill:var(--kt-text, #0f172a)}.kt-protect-text{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.kt-input-row{display:flex;gap:.5rem;flex-wrap:wrap}.kt-input{flex:1 1 200px;font:inherit;padding:.5rem .75rem;border:1px solid var(--kt-border-strong, #cbd5e1);border-radius:8px;background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a)}.kt-input:focus{outline:2px solid var(--kt-accent-border, #a5b4fc);border-color:var(--kt-accent, #4f46e5)}.kt-match-rows{display:flex;flex-direction:column;gap:.4rem}.kt-match-row{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.kt-match-left{flex:1 1 40%;padding:.5rem .7rem;border:1px solid var(--kt-border, #e2e8f0);border-radius:8px;background:var(--kt-surface-2, #f8fafc)}.kt-match-select{flex:1 1 45%;font:inherit;padding:.45rem .6rem;border:1px solid var(--kt-border-strong, #cbd5e1);border-radius:8px;background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a)}.kt-order-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.4rem}.kt-order-item{display:flex;align-items:center;gap:.6rem;padding:.45rem .6rem;border:1px solid var(--kt-border, #e2e8f0);border-radius:8px;background:var(--kt-surface-2, #f8fafc)}.kt-order-num{font-weight:700;color:var(--kt-accent, #4f46e5);min-width:1.4em}.kt-order-text{flex:1;-webkit-user-select:none;user-select:none}.kt-order-move{display:flex;gap:.25rem}.kt-order-move .kt-btn{padding:.25rem .6rem}.kt-order-item .kt-narration-btn{width:30px;height:30px}.kt-order-item .kt-narration-btn svg{width:15px;height:15px}.kt-runner-heading{display:flex;align-items:center;gap:.5rem}.kt-runner-heading .kt-narration-btn{width:30px;height:30px}.kt-runner-heading .kt-narration-btn svg{width:15px;height:15px}.kt-flashcard{display:flex;flex-direction:column;gap:.6rem;align-items:center;justify-content:center;width:100%;min-height:150px;border:2px solid var(--kt-accent, #4f46e5);border-radius:14px;background:var(--kt-accent-soft, #eef2ff);color:var(--kt-text, #0f172a);font:inherit;cursor:pointer;padding:1rem;text-align:center}.kt-flashcard-back{background:var(--kt-surface, #ffffff);border-color:var(--kt-accent-border, #a5b4fc)}.kt-flashcard-text{font-size:1.05rem;font-weight:600;overflow-wrap:anywhere}.kt-flashcard-hint{font-size:.78rem;color:var(--kt-muted, #64748b)}.kt-file{display:flex;flex-direction:column;gap:.4rem}.kt-code-wrap{position:relative}.kt-code-lang{position:absolute;top:.4rem;right:.6rem;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--kt-muted, #94a3b8)}.kt-code{background:var(--kt-code-bg, #0f172a);color:var(--kt-code-text, #e2e8f0);padding:.85rem 1rem;border-radius:10px;overflow-x:auto;font-size:.9rem;line-height:1.55;margin:0}.kt-code code{background:transparent;color:inherit;padding:0}.kt-tok-kw{color:#c792ea}.kt-tok-str{color:#c3e88d}.kt-tok-num{color:#f78c6c}.kt-tok-com{color:#8aa0b8;font-style:italic}.kt-tok-fn{color:#82aaff}.kt-tok-key{color:#89ddff}.kt-tok-pun{color:#a6accd}.kt-markers-wrap{position:relative;min-width:0;max-width:100%;display:block}.kt-markers-scroll{overflow:auto;overscroll-behavior:contain;border:1px solid var(--kt-border, #e2e8f0);border-radius:10px;padding:.35rem;background:var(--kt-surface-2, #f8fafc)}.kt-markers-stage{position:relative;display:block;margin:0 auto;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.kt-markers-img{position:absolute;top:0;left:0;width:100%;height:100%;border-radius:6px}.kt-marker{position:absolute;transform:translate(-50%,-50%);background:transparent;border:none;padding:0;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px;font:inherit;touch-action:manipulation}.kt-marker-dot{min-width:30px;height:30px;border-radius:50%;background:var(--kt-accent, #4f46e5);color:var(--kt-on-accent, #ffffff);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;border:2px solid var(--kt-surface, #ffffff);box-shadow:0 1px 5px #0006;padding:0 4px}.kt-marker-label{font-size:11px;background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);border-radius:6px;padding:1px 6px;max-width:130px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;box-shadow:0 1px 3px #00000040}.kt-marker-ok .kt-marker-dot{background:#16a34a}.kt-marker-bad .kt-marker-dot{background:#dc2626}.kt-marker-missing .kt-marker-dot{background:var(--kt-muted, #64748b)}.kt-marker-passed{cursor:default}.kt-marker-media,.kt-marker-play{position:absolute;top:-7px;left:15px;width:18px;height:18px;border-radius:50%;background:var(--kt-code-bg, #0f172a);color:var(--kt-code-text, #e2e8f0);font-size:9px;display:inline-flex;align-items:center;justify-content:center;border:2px solid var(--kt-surface, #ffffff);box-shadow:0 1px 4px #0006;pointer-events:none}.kt-marker-play{pointer-events:auto;cursor:pointer;background:var(--kt-accent-strong, #4338ca)}.kt-marker-play:hover{background:var(--kt-accent, #4f46e5)}.kt-mmedia-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:110;background:#0f172aa6;display:flex;align-items:center;justify-content:center;padding:1rem}.kt-mmedia{background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);border-radius:12px;padding:1rem 1.25rem 1.25rem;width:100%;max-width:640px;max-height:90vh;overflow:auto;display:flex;flex-direction:column;gap:.75rem;box-shadow:0 20px 50px #00000059}.kt-mmedia-head{display:flex;justify-content:space-between;align-items:center;gap:1rem}.kt-mmedia-head h4{margin:0;font-size:1.05rem}.kt-mmedia-close{font:inherit;min-width:34px;height:34px;padding:0 .6rem;border-radius:8px;border:1px solid var(--kt-border-strong, #cbd5e1);background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);cursor:pointer}.kt-mmedia-close:hover{background:var(--kt-surface-2, #f8fafc)}.kt-mmedia-video{width:100%;max-height:62vh;border-radius:10px;background:#000}.kt-mmedia-audio{width:100%}.kt-fs-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:95;background:var(--kt-surface, #ffffff);padding:1rem;display:flex;flex-direction:column;overflow:hidden;overscroll-behavior:contain}.kt-fs-body{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden;overscroll-behavior:contain}.kt-fs-body .kt-mindmap-scroll,.kt-fs-body .kt-markers-scroll{flex:1;min-height:0;max-height:none}.kt-fs-body .kt-markers-wrap{flex:1;min-height:0;display:flex;flex-direction:column}.kt-fs-body .kt-markers-wrap .kt-mm-zoom{flex:0 0 auto}.kt-fs-close{position:absolute;top:.75rem;left:.75rem;z-index:3;font:inherit;font-weight:600;min-width:40px;height:40px;padding:0 .7rem;border-radius:8px;border:1px solid var(--kt-border-strong, #cbd5e1);background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);cursor:pointer}.kt-fs-close:hover{background:var(--kt-surface-2, #f8fafc)}@media (max-width: 640px){.kt-runner{padding:.85rem .9rem}.kt-runner-head{flex-wrap:wrap;gap:.25rem 1rem}.kt-actions{flex-direction:column}.kt-btn{width:100%}.kt-option{padding:.6rem .75rem}.kt-dd-zones{grid-template-columns:1fr}.kt-table th,.kt-table td{padding:.45rem .6rem;min-width:110px}}.kt-ct-attempts{color:var(--kt-muted, #64748b);font-size:.875rem;white-space:nowrap}.kt-ct-editor{position:relative;display:flex;flex-direction:column;max-height:24rem;margin:.25rem 0 .75rem;border-radius:10px;border:1px solid transparent;background:var(--kt-code-bg, #0f172a);overflow:hidden}.kt-ct-editor.kt-ct-ok{border-color:var(--kt-success-strong, #16a34a)}.kt-ct-pre{flex:1 1 auto;margin:0;min-height:8.4rem;padding:.85rem 1rem;overflow:hidden;color:var(--kt-code-text, #e2e8f0);font-family:ui-monospace,SFMono-Regular,Consolas,Courier New,monospace;font-size:.9rem;line-height:1.55;white-space:pre;-moz-tab-size:4;tab-size:4}.kt-ct-line{min-height:1.55em}.kt-ct-line-bad{background:#dc262647;box-shadow:inset 3px 0 0 var(--kt-danger-strong, #dc2626)}.kt-ct-input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;margin:0;padding:.85rem 1rem;border:0;outline:none;resize:none;border-radius:10px;background:transparent;color:transparent;caret-color:var(--kt-code-text, #e2e8f0);overflow:auto;white-space:pre;font-family:ui-monospace,SFMono-Regular,Consolas,Courier New,monospace;font-size:.9rem;line-height:1.55;-moz-tab-size:4;tab-size:4}.kt-ct-input::selection{background:#6366f159}.kt-ct-editor.kt-ct-ok .kt-ct-input{opacity:.85}.kt-model3d-stage{position:relative;height:56vh;min-height:320px;border:1px solid var(--kt-border, #e2e8f0);border-radius:10px;overflow:hidden;background:#0f172a;margin:.5rem 0}.kt-model3d-host{position:absolute;top:0;right:0;bottom:0;left:0}.kt-model3d-host canvas{display:block}.kt-model3d-note{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:1rem;color:#cbd5e1;font-size:.95rem;text-align:center;pointer-events:none}.kt-model3d-toolbar{position:absolute;top:.5rem;right:.5rem;z-index:2;display:flex;gap:.35rem}.kt-model3d-btn{font:inherit;min-width:34px;height:34px;padding:0 .55rem;border-radius:8px;border:1px solid rgba(148,163,184,.4);background:#0f172abf;color:#e2e8f0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.kt-model3d-btn:hover{background:#1e293bf2}.kt-marker-hidden{opacity:.25;pointer-events:none}.kt-model3d-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none}.kt-model3d-overlay .kt-marker{pointer-events:auto}.kt-marker-selected .kt-marker-dot{box-shadow:0 0 0 3px #f59e0bbf}.kt-fs-body .kt-model3d-stage{flex:1;height:auto;min-height:240px}.kt-question-text{display:flex;align-items:flex-start;gap:.5rem}.kt-question-label{flex:1;min-width:0}.kt-question-text .kt-narration-btn{width:30px;height:30px}.kt-question-text .kt-narration-btn svg{width:15px;height:15px}.kt-option-wrap{display:flex;align-items:center;gap:.5rem}.kt-option-wrap>.kt-option{flex:1;min-width:0}.kt-option-wrap .kt-narration-btn{width:30px;height:30px}.kt-option-wrap .kt-narration-btn svg{width:15px;height:15px}.kt-match-left{display:flex;align-items:center;gap:.5rem}.kt-match-left-text{flex:1;min-width:0}.kt-match-left .kt-narration-btn,.kt-match-right .kt-narration-btn,.kt-table-title .kt-narration-btn{width:30px;height:30px}.kt-match-left .kt-narration-btn svg,.kt-match-right .kt-narration-btn svg,.kt-table-title .kt-narration-btn svg{width:15px;height:15px}.kt-match-right{flex:1 1 45%;display:flex;align-items:center;gap:.5rem;min-width:0}.kt-match-right .kt-match-select{flex:1;min-width:0}.kt-table-title{display:flex;align-items:center;gap:.5rem}.kt-table .kt-narration-btn{width:24px;height:24px;margin-right:.4rem;vertical-align:middle}.kt-table .kt-narration-btn svg{width:12px;height:12px}.kt-flashcard-wrap{display:flex;align-items:center;gap:.5rem}.kt-flashcard-wrap>.kt-flashcard{flex:1;min-width:0}.kt-dd-zone-title{display:flex;align-items:center;gap:.5rem}.kt-dd-item-audio{display:inline-flex;flex:none}.kt-dd-item-audio .kt-narration-btn,.kt-dd-zone-title .kt-narration-btn{width:26px;height:26px}.kt-dd-item-audio .kt-narration-btn svg,.kt-dd-zone-title .kt-narration-btn svg{width:13px;height:13px}.kt-mm-play{cursor:pointer}.kt-mm-play-bg{fill:var(--kt-accent, #4f46e5);stroke:var(--kt-surface, #ffffff);stroke-width:1.5}.kt-mm-play-icon{fill:#fff}.kt-calc-fields{display:flex;flex-direction:column;gap:.75rem;margin-top:.5rem}.kt-calc-field{display:flex;flex-direction:column;gap:.3rem}.kt-calc-label{font-size:.9rem;font-weight:600}.kt-calc-unit{color:var(--kt-muted, #64748b);font-weight:400}.kt-calc-input{font:inherit;padding:.5rem .75rem;border:1px solid var(--kt-border-strong, #cbd5e1);border-radius:8px;background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);max-width:280px}.kt-calc-input:focus{outline:2px solid var(--kt-accent-border, #a5b4fc);border-color:var(--kt-accent, #4f46e5)}.kt-calc-range{display:flex;align-items:center;gap:.75rem}.kt-calc-range input[type=range]{flex:1;accent-color:var(--kt-accent, #4f46e5)}.kt-calc-range-value{font-variant-numeric:tabular-nums;font-weight:600;min-width:4.5em;text-align:right}.kt-calc-select{font:inherit;padding:.45rem .6rem;border:1px solid var(--kt-border-strong, #cbd5e1);border-radius:8px;background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);max-width:320px}.kt-calc-choices{display:flex;flex-wrap:wrap;gap:.4rem 1rem}.kt-calc-choice{display:inline-flex;align-items:center;gap:.35rem;cursor:pointer}.kt-calc-choice input,.kt-calc-check{accent-color:var(--kt-accent, #4f46e5)}.kt-calc-check{width:20px;height:20px}.kt-calc-result{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-top:1rem;padding:.75rem 1rem;border-radius:10px;background:var(--kt-accent-soft, #eef2ff);border:1px solid var(--kt-accent-border, #a5b4fc)}.kt-calc-result-label{font-weight:600;color:var(--kt-accent-text, #4338ca)}.kt-calc-result-value{font-size:1.3rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--kt-text, #0f172a);overflow-wrap:anywhere;text-align:right}.kt-calc-result-error{background:var(--kt-danger-soft, #fef2f2);border-color:var(--kt-danger-border, #fecaca)}.kt-calc-result-error .kt-calc-result-label{color:var(--kt-danger, #b91c1c)}.kt-calc-result-error .kt-calc-result-value{color:var(--kt-danger, #b91c1c);font-size:.95rem;font-weight:500;text-align:right}@media (max-width: 640px){.kt-calc-result{flex-direction:column;gap:.25rem}.kt-calc-result-value{text-align:left}}.kt-chart-plot{display:block;width:100%;height:auto;margin-top:.75rem}.kt-chart-grid{stroke:var(--kt-border-strong, #cbd5e1);stroke-width:1;opacity:.45}.kt-chart-axis-zero{stroke:var(--kt-border-strong, #94a3b8);stroke-width:1;opacity:.8}.kt-chart-tick{fill:var(--kt-muted, #64748b);font-size:11px;font-variant-numeric:tabular-nums}.kt-chart-cat{fill:var(--kt-text, #0f172a);font-size:12px}.kt-chart-bar{stroke:none}.kt-chart-line{fill:none;stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round}.kt-chart-dot,.kt-chart-slice{stroke:var(--kt-surface, #ffffff);stroke-width:1.5}.kt-chart-slice-label{fill:#fff;font-size:12px;font-weight:600;dominant-baseline:middle}.kt-chart-pies{display:flex;flex-wrap:wrap;gap:1rem 1.5rem;justify-content:center;margin-top:.75rem}.kt-chart-pie{margin:0;display:flex;flex-direction:column;align-items:center;gap:.35rem}.kt-chart-pie svg{display:block;width:200px;max-width:100%;height:auto}.kt-chart-pie-title{font-size:.85rem;font-weight:600;color:var(--kt-muted, #64748b)}.kt-chart-empty{display:flex;align-items:center;justify-content:center;width:200px;height:200px;max-width:100%;border:1px dashed var(--kt-border-strong, #cbd5e1);border-radius:12px;color:var(--kt-muted, #64748b);font-size:.9rem}.kt-chart-legend{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;list-style:none;margin:.75rem 0 0;padding:0}.kt-chart-legend-item{display:inline-flex;align-items:center;gap:.4rem;font-size:.88rem}.kt-chart-swatch{width:12px;height:12px;border-radius:3px;flex:none}.kt-chart-legend-value{color:var(--kt-muted, #64748b);font-variant-numeric:tabular-nums}.kt-chart-funnel-bar{stroke:none}.kt-chart-funnel-value{fill:var(--kt-text, #0f172a);font-size:12px;font-variant-numeric:tabular-nums}.kt-chart-funnel-conv{fill:var(--kt-muted, #64748b);font-size:11px}.kt-sankey-plot{display:block;width:100%;height:auto;margin-top:.75rem}.kt-sankey-node{stroke:var(--kt-surface, #ffffff);stroke-width:1}.kt-sankey-flow{stroke:none;opacity:.45}.kt-sankey-flow:hover{opacity:.68}.kt-sankey-label{fill:var(--kt-text, #0f172a);font-size:12px}.kt-sankey-label-value{fill:var(--kt-text, #0f172a);font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums}.kt-sankey-pill{fill:var(--kt-surface, #ffffff);stroke:var(--kt-border, #e2e8f0);stroke-width:1}.kt-scatter-plot{display:block;width:100%;height:auto;margin-top:.75rem}.kt-scatter-dot{stroke:var(--kt-surface, #ffffff);stroke-width:1.5;opacity:.85}.kt-scatter-point-label{fill:var(--kt-text, #0f172a);font-size:11px}.kt-scatter-axis{fill:var(--kt-muted, #64748b);font-size:11px}.kt-scheme-stage{position:relative;width:100%;margin-top:.75rem;border-radius:12px;overflow:hidden;-webkit-user-select:none;user-select:none}.kt-scheme-img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:fill;display:block}.kt-scheme-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block}.kt-scheme-line-casing{fill:none;stroke:var(--kt-surface, #ffffff);stroke-width:9;stroke-linecap:round;stroke-linejoin:round;opacity:.9}.kt-scheme-line-core{fill:none;stroke:#2563eb;stroke-width:5;stroke-linecap:round;stroke-linejoin:round;opacity:.85}.kt-scheme-line-route .kt-scheme-line-casing{stroke-width:15;opacity:1}.kt-scheme-line-route .kt-scheme-line-core{stroke-width:8.5;opacity:1}.kt-scheme-point-hit{fill:transparent;cursor:pointer}.kt-scheme-point-dot{fill:#2563eb;stroke:var(--kt-surface, #ffffff);stroke-width:2.5;pointer-events:none}.kt-scheme-point.is-route .kt-scheme-point-dot{fill:#16a34a}.kt-scheme-point.is-picked .kt-scheme-point-dot{fill:#f97316;stroke-width:3}.kt-scheme-point-label{fill:var(--kt-text, #0f172a);font-size:12.5px;font-weight:600;paint-order:stroke;stroke:var(--kt-surface, #ffffff);stroke-width:3px;stroke-linejoin:round;pointer-events:none}.kt-scheme-badge circle{fill:#f97316;stroke:var(--kt-surface, #ffffff);stroke-width:2}.kt-scheme-badge text{fill:#fff;font-size:11px;font-weight:700;text-anchor:middle}.kt-scheme-status{margin:.6rem 0 0;font-size:.88rem;color:var(--kt-muted, #64748b)}.kt-scheme-route{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem;margin-top:.6rem}.kt-scheme-route-item{display:inline-flex;align-items:center;gap:.35rem}.kt-scheme-chip{display:inline-flex;align-items:center;padding:.14rem .6rem;border-radius:999px;background:#16a34a1f;color:#166534;font-size:.82rem;font-weight:600}.kt-scheme-arrow{color:var(--kt-muted, #64748b);font-size:.85rem}.kt-scheme-reset{margin-top:.6rem;padding:.32rem .85rem;border:1px solid var(--kt-border, #e2e8f0);border-radius:8px;background:var(--kt-surface, #ffffff);color:var(--kt-muted, #64748b);font-size:.85rem;cursor:pointer}.kt-scheme-reset:hover{border-color:var(--kt-border-strong, #cbd5e1);color:var(--kt-text, #0f172a)}.kt-venn-plot{display:block;width:100%;height:auto;margin-top:.75rem}.kt-venn-circle{fill-opacity:.3;stroke-width:2}.kt-venn-text{fill:var(--kt-text, #0f172a);font-size:12.5px;font-weight:600;paint-order:stroke;stroke:var(--kt-surface, #ffffff);stroke-width:3px;stroke-linejoin:round}.kt-venn-value{fill:var(--kt-text, #0f172a);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;paint-order:stroke;stroke:var(--kt-surface, #ffffff);stroke-width:3px;stroke-linejoin:round}.kt-venn-inter{font-size:13px}.kt-gantt-plot{display:block;width:100%;height:auto;margin-top:.75rem;color:var(--kt-text, #0f172a)}.kt-gantt-row{fill:currentColor;opacity:.05;pointer-events:none}.kt-gantt-task-label{fill:var(--kt-text, #0f172a);font-size:12px}.kt-gantt-bar{stroke:none}.kt-gantt-progress{fill:#ffffff73;pointer-events:none}.kt-gantt-progress-label{fill:var(--kt-muted, #64748b);font-size:10.5px;font-variant-numeric:tabular-nums}.kt-gantt-progress-inside{fill:#fff}.kt-candle-plot{display:block;width:100%;height:auto;margin-top:.75rem;touch-action:pan-y}.kt-candle-zoom{display:flex;align-items:center;justify-content:center;gap:.3rem;flex:none;margin-top:.5rem}.kt-candle-zoom-info{font-size:.78rem;color:var(--kt-muted, #64748b);font-variant-numeric:tabular-nums;margin-right:.15rem;white-space:nowrap}.kt-candle-wide{position:fixed;top:0;right:0;bottom:0;left:0;z-index:120;border:none;border-radius:0;margin:0;padding:1rem 1.5rem 1.25rem;display:flex;flex-direction:column;overflow:auto}.kt-candle-wide .kt-runner-head{flex:none}.kt-candle-wide .kt-candle-plot{flex:1 1 auto;min-height:320px}.kt-candle-tfs{display:flex;align-items:center;flex-wrap:wrap;gap:.3rem;flex:none}.kt-candle-tf{font:inherit;font-size:.78rem;line-height:1;padding:.34rem .55rem;border:1px solid var(--kt-border-strong, #cbd5e1);border-radius:999px;background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);cursor:pointer}.kt-candle-tf:hover{border-color:var(--kt-accent-border, #a5b4fc)}.kt-candle-tf.active{border-color:var(--kt-accent, #4f46e5);background:var(--kt-accent-soft, #eef2ff);color:var(--kt-accent-text, #4338ca);font-weight:600}.kt-candle-wick{stroke-width:1.5}.kt-candle-body{stroke:none}.kt-candle-vol{opacity:.55}.kt-candle-tools{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem;margin-top:.6rem}.kt-candle-tool{font:inherit;font-size:.8rem;line-height:1;padding:.45rem .6rem;border:1px solid var(--kt-border-strong, #cbd5e1);border-radius:7px;background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a);cursor:pointer;min-width:34px}.kt-candle-tool:hover:not(:disabled){border-color:var(--kt-accent-border, #a5b4fc)}.kt-candle-tool.active{border-color:var(--kt-accent, #4f46e5);background:var(--kt-accent-soft, #eef2ff);color:var(--kt-accent-text, #4338ca);font-weight:600}.kt-candle-tool:disabled{opacity:.45;cursor:default}.kt-candle-tool.kt-candle-pred-up{border-color:#16a34a;background:#16a34a24;color:#15803d;font-weight:600}.kt-candle-tool.kt-candle-pred-up:hover:not(:disabled){border-color:#15803d;background:#16a34a3d}.kt-candle-tool.kt-candle-pred-down{border-color:#dc2626;background:#dc26261f;color:#b91c1c;font-weight:600}.kt-candle-tool.kt-candle-pred-down:hover:not(:disabled){border-color:#b91c1c;background:#dc262633}.kt-candle-tools-sep{flex:none;width:1px;height:22px;background:var(--kt-border-strong, #cbd5e1)}.kt-candle-text-input{font:inherit;font-size:.8rem;padding:.4rem .55rem;border:1px solid var(--kt-accent-border, #a5b4fc);border-radius:7px;min-width:170px;background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a)}.kt-candle-draw{stroke-width:1.8;pointer-events:none}.kt-candle-zone{pointer-events:none}.kt-candle-handle{stroke:var(--kt-surface, #ffffff);stroke-width:1.5}.kt-candle-tag{fill:#fff;font-size:10.5px;font-weight:600;font-variant-numeric:tabular-nums}.kt-candle-note{font-size:11.5px;font-weight:600;paint-order:stroke;stroke:var(--kt-surface, #ffffff);stroke-width:3px;fill:var(--kt-text, #0f172a)}.kt-candle-hint-tools{margin-top:.4rem}.kt-cert-sheet{background:var(--kt-surface, #ffffff);border:1px solid var(--kt-border, #e2e8f0);border-radius:4px;padding:2.5rem;margin-top:1rem}.kt-cert-inner{border:3px double var(--kt-accent, #4f46e5);border-radius:8px;padding:2.5rem 2rem;text-align:center}.kt-cert-kicker{letter-spacing:.35em;font-weight:700;color:var(--kt-accent, #4f46e5);font-size:1.3rem;margin-bottom:1rem}.kt-cert-name{font-size:2rem;margin:.5rem 0;border-bottom:1px solid var(--kt-border-strong, #cbd5e1);display:inline-block;padding:0 1.5rem .25rem}.kt-cert-line{color:var(--kt-muted, #64748b);margin:.4rem 0}.kt-cert-title{margin:.5rem 0}.kt-cert-date{margin-top:1.5rem;color:var(--kt-text-2, #334155)}.kt-cert-image{position:relative;aspect-ratio:1754 / 1240;padding:0;border:none;border-radius:0;background:#e2e8f0;overflow:hidden;container-type:inline-size;-webkit-print-color-adjust:exact;print-color-adjust:exact}.kt-cert-bg{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;width:100%;height:100%;object-fit:cover;display:block;-webkit-print-color-adjust:exact;print-color-adjust:exact}.kt-cert-overlay-full:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;background:#ffffff8c}.kt-cert-overlay-full.kt-cert-light:before{background:#0f172a80}.kt-cert-content{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6% 7%}.kt-cert-pos-top .kt-cert-content{justify-content:flex-start}.kt-cert-pos-bottom .kt-cert-content{justify-content:flex-end}.kt-cert-align-left .kt-cert-content{align-items:flex-start}.kt-cert-align-left{text-align:left}.kt-cert-align-center{text-align:center}.kt-cert-panel{display:flex;flex-direction:column;align-items:center;max-width:88%}.kt-cert-align-left .kt-cert-panel{align-items:flex-start}.kt-cert-overlay-minimal .kt-cert-panel{padding:2.8cqw 3.6cqw;border-radius:2cqw;background:#ffffff9e}.kt-cert-overlay-minimal.kt-cert-light .kt-cert-panel{background:#0f172a80}.kt-cert-image{color:#0f172a}.kt-cert-image.kt-cert-light{color:#f8fafc}.kt-cert-image .kt-cert-kicker{color:inherit;font-size:3cqw;letter-spacing:.3em;margin-bottom:2cqw}.kt-cert-image .kt-cert-name{font-size:5.2cqw;padding:0 2.5cqw .5cqw;border-bottom-color:#64748b8c}.kt-cert-image.kt-cert-light .kt-cert-name{border-bottom-color:#e2e8f099}.kt-cert-image .kt-cert-line{font-size:2.3cqw;margin:.8cqw 0;color:#0f172ab8}.kt-cert-image.kt-cert-light .kt-cert-line{color:#f8fafccc}.kt-cert-image .kt-cert-title{font-size:3.4cqw;margin:.8cqw 0}.kt-cert-image .kt-cert-date{font-size:2.4cqw;margin-top:3cqw;color:inherit}@media print{.kt-cert-sheet{border:none;margin:0;padding:0;background:#fff}.kt-cert-sheet:not(.kt-cert-image) .kt-cert-inner{border-color:#059669;color:#000}.kt-cert-sheet:not(.kt-cert-image) .kt-cert-kicker{color:#059669}.kt-cert-sheet:not(.kt-cert-image) .kt-cert-line{color:#64748b}.kt-cert-sheet:not(.kt-cert-image) .kt-cert-name{color:#000;border-bottom-color:#cbd5e1}.kt-cert-sheet:not(.kt-cert-image) .kt-cert-date{color:#334155}}@media (max-width: 640px){.kt-cert-sheet{padding:1rem}.kt-cert-inner{padding:1.75rem 1rem}.kt-cert-kicker{font-size:1.05rem;letter-spacing:.25em}.kt-cert-name{font-size:1.5rem;padding:0 .75rem .25rem}}:root{color-scheme:light;--kt-bg: #f1f5f9;--kt-surface: #ffffff;--kt-surface-2: #f8fafc;--kt-border: #e2e8f0;--kt-border-strong: #cbd5e1;--kt-text: #0f172a;--kt-text-2: #334155;--kt-muted: #64748b;--kt-accent: #4f46e5;--kt-accent-strong: #4338ca;--kt-accent-border: #a5b4fc;--kt-accent-soft: #eef2ff;--kt-accent-text: #4338ca;--kt-on-accent: #ffffff;--kt-focus: #c7d2fe;--kt-danger: #b91c1c;--kt-danger-strong: #dc2626;--kt-danger-soft: #fef2f2;--kt-danger-border: #fecaca;--kt-success: #166534;--kt-success-strong: #16a34a;--kt-success-soft: #f0fdf4;--kt-success-border: #bbf7d0;--kt-code-bg: #0f172a;--kt-code-text: #e2e8f0;--kt-inline-code: #eef2ff;--kt-shadow: rgba(15, 23, 42, .08);--kt-shadow-strong: rgba(15, 23, 42, .2)}:root[data-theme=dark]{color-scheme:dark;--kt-bg: #0b1120;--kt-surface: #141d31;--kt-surface-2: #1b2740;--kt-border: #2a3854;--kt-border-strong: #3b4a68;--kt-text: #e2e8f0;--kt-text-2: #cbd5e1;--kt-muted: #94a3b8;--kt-accent: #818cf8;--kt-accent-strong: #a5b4fc;--kt-accent-border: #6366f1;--kt-accent-soft: #2a2f55;--kt-accent-text: #c7d2fe;--kt-on-accent: #0b1120;--kt-focus: #6366f1;--kt-danger: #f87171;--kt-danger-strong: #f87171;--kt-danger-soft: #3b1414;--kt-danger-border: #7f2c2c;--kt-success: #4ade80;--kt-success-strong: #4ade80;--kt-success-soft: #123524;--kt-success-border: #1f6b41;--kt-code-bg: #0b1120;--kt-code-text: #e2e8f0;--kt-inline-code: #26334f;--kt-shadow: rgba(0, 0, 0, .45);--kt-shadow-strong: rgba(0, 0, 0, .65)}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--kt-bg);color:var(--kt-text)}#root{flex:1;width:100%;display:flex;flex-direction:column}.page{max-width:1100px;width:100%;margin:0 auto;padding:1.5rem 1rem 3rem;flex:1;display:flex;flex-direction:column}.auth-wrap{max-width:520px;padding-top:4rem}.auth-card{display:flex;flex-direction:column;gap:.9rem;background:var(--kt-surface);border:1px solid var(--kt-border);border-radius:12px;padding:1.5rem;box-shadow:0 2px 12px var(--kt-shadow)}.auth-tabs{display:flex;gap:.5rem}.auth-tab{flex:1;font:inherit;padding:.5rem .9rem;border-radius:8px;border:1px solid var(--kt-border-strong);background:var(--kt-surface);color:var(--kt-text);cursor:pointer}.auth-tab.active{border-color:var(--kt-accent);background:var(--kt-accent-soft);color:var(--kt-accent-text);font-weight:600}.auth-field{display:flex;flex-direction:column;gap:.25rem}.auth-field input{font:inherit;padding:.5rem .7rem;border:1px solid var(--kt-border-strong);border-radius:8px;background:var(--kt-surface);color:var(--kt-text)}.key-input{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;text-transform:uppercase;letter-spacing:.05em}.key-banner{display:flex;gap:1rem;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:0 auto 1rem;max-width:1100px;padding:.9rem 1.1rem;background:var(--kt-success-soft);border:1px solid var(--kt-success-border);border-radius:12px;font-size:.9rem;color:var(--kt-text-2)}.key-banner-key{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:1.05rem;font-weight:700;color:var(--kt-text);margin-top:.35rem;-webkit-user-select:all;user-select:all}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0f172a8c;display:flex;align-items:center;justify-content:center;padding:20px}.modal-overlay-full{padding:0}.modal-overlay--top{z-index:200}.modal-card{background:var(--kt-surface);border:1px solid var(--kt-border);border-radius:14px;box-shadow:0 10px 40px var(--kt-shadow-strong);width:100%;max-width:520px;max-height:90vh;overflow:auto;padding:18px 20px 20px;display:flex;flex-direction:column}.modal-card.fullscreen{max-width:none;max-height:none;width:100vw;height:100vh;border-radius:0;border:none}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.modal-head h2{font-size:18px;margin:0}.modal-head-actions{display:flex;align-items:center;gap:6px}.pay-tabs{display:flex;gap:8px;margin-bottom:12px}.pay-tabs .btn{flex:1}.pay-frame{width:100%;border:1px solid var(--kt-border);border-radius:10px;background:var(--kt-surface)}.modal-card--pay{max-height:90vh;max-height:calc(100dvh - 32px)}.pay-frame--qr{flex:none;height:720px;zoom:.9}.pay-frame--form{flex:none;height:540px}@media (max-height: 880px){.pay-frame--qr{zoom:.85}}@media (max-height: 820px){.pay-frame--qr{zoom:.75}}@media (max-height: 740px){.pay-frame--qr{zoom:.68}}@media (max-height: 690px){.pay-frame--qr{zoom:.6}}.pay-note{margin-top:10px}.pay-qr{position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;padding:16px 8px 4px}.pay-qr-img{width:232px;height:232px;display:block}.pay-qr-steps{margin:0;padding-left:20px;color:var(--kt-muted, #64748b);font-size:14px;line-height:1.55;text-align:left}.pay-qr-link{width:100%;justify-content:center}.pay-frame-wrap{position:relative;flex:none}.pay-qr-timer{margin:0;text-align:center}.pay-qr-expired{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:16px;box-sizing:border-box;border-radius:10px;background:var(--kt-surface);border:1px solid var(--kt-border)}.pay-qr-expired-text{margin:0;font-weight:600}.modal-option{display:flex;gap:12px;align-items:flex-start;width:100%;text-align:left;font:inherit;padding:10px 12px;border:1px solid var(--kt-border);border-radius:10px;background:var(--kt-surface);color:var(--kt-text);cursor:pointer}.modal-option:hover{background:var(--kt-surface-2)}.modal-option.active{border-color:var(--kt-accent);background:var(--kt-accent-soft)}.modal-option--locked{border-style:dashed;color:var(--kt-muted)}.modal-option--locked .modal-option-title{color:var(--kt-muted)}.modal-option-lock{margin-left:auto;flex:none;align-self:center;color:var(--kt-muted)}.modal-option input{margin-top:4px;flex:none}.modal-option-body{display:flex;flex-direction:column;gap:2px}.modal-option-title{font-weight:600}.modal-option-desc{font-size:13px;color:var(--kt-muted);line-height:1.45}.auth-field-group{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.modal-actions{display:flex;gap:10px;margin-top:14px}.sell-form{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:10px;margin:12px 0}@media (max-width: 560px){.sell-form{grid-template-columns:1fr}}.sell-download{margin-top:10px}.sell-keys{margin-top:16px}.stats-toolbar{display:flex;gap:8px;align-items:center;margin-bottom:10px}.stats-totals{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.stats-totals>div{display:flex;flex-direction:column;align-items:center;min-width:84px;padding:10px 12px;border:1px solid var(--kt-border);border-radius:12px;background:var(--kt-surface-2)}.stats-totals b{font-size:1.25rem}.stats-totals span{font-size:12px;color:var(--kt-muted)}.stats-table-wrap{overflow-x:auto;margin-top:8px}.stats-table{width:100%;border-collapse:collapse;font-size:13px}.stats-table th,.stats-table td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--kt-border);white-space:nowrap}.stats-table th{color:var(--kt-muted);font-weight:600}.stats-table td.stats-title{white-space:normal;min-width:180px;font-weight:600}.stats-table td.license-key{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px}.stats-table td.license-note{white-space:normal;min-width:140px;max-width:260px}.stats-table tr.license-row-revoked td{color:var(--kt-muted);text-decoration:line-through}.stats-toolbar select{min-width:220px}.sell-keys h3{margin:0 0 8px}.sell-keys ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.key-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 10px;border:1px solid var(--kt-border);border-radius:10px;background:var(--kt-surface-2)}.key-mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9rem;font-weight:700;color:var(--kt-text);background:none;border:none;padding:0;cursor:pointer;letter-spacing:.04em}.key-mono:hover{color:var(--kt-accent)}.key-meta{font-size:12.5px;color:var(--kt-muted)}.key-activations{list-style:none;margin:0;padding:6px 10px;border:1px dashed var(--kt-border);border-radius:8px;width:100%;display:flex;flex-direction:column;gap:4px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--kt-muted)}.key-activations li{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.chip{font-size:12px;padding:2px 9px;border-radius:999px;border:1px solid var(--kt-border-strong);color:var(--kt-muted);white-space:nowrap}.chip-active{color:var(--kt-success);border-color:var(--kt-success-border);background:var(--kt-success-soft)}.chip-revoked{color:var(--kt-danger);border-color:var(--kt-danger-border);background:var(--kt-danger-soft)}.issued-key{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px;padding:12px 14px;border:1px solid var(--kt-success-border);background:var(--kt-success-soft);border-radius:10px;font-size:14px}.issued-key-value{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:1.1rem;font-weight:700;color:var(--kt-text);margin-top:6px;-webkit-user-select:all;user-select:all}.sell-restore{margin-top:14px;display:flex;flex-direction:column;gap:8px}.sell-restore-link{margin-top:14px;font-size:13px}.agree-row{display:flex;flex-direction:row;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--kt-muted);line-height:1.5;cursor:pointer}.agree-row input{margin-top:3px;flex:none}.cover-canvas{width:100%;height:auto;border-radius:10px;border:1px solid var(--kt-border);touch-action:none;cursor:grab;display:block}.cover-canvas:active{cursor:grabbing}.cover-controls{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:13px;color:var(--kt-muted)}.cert-canvas{width:100%;height:auto;border-radius:10px;border:1px solid var(--kt-border, #e2e8f0);touch-action:none;cursor:grab;display:block;background:#f8fafc}.cert-canvas:active{cursor:grabbing}.cert-controls{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:13px;color:var(--kt-muted)}.cert-settings{display:flex;flex-wrap:wrap;gap:10px 14px;margin-top:12px}.cert-settings label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--kt-muted)}.cert-settings select{font:inherit;padding:6px 8px;border-radius:8px;border:1px solid var(--kt-border-strong, #cbd5e1);background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a)}.cert-preview{margin-top:16px}.cert-preview-name{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--kt-muted);max-width:280px;margin-bottom:10px}.cert-preview-name input{font:inherit;padding:6px 10px;border-radius:8px;border:1px solid var(--kt-border-strong, #cbd5e1);background:var(--kt-surface, #ffffff);color:var(--kt-text, #0f172a)}.app-footer{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-top:auto;padding-top:1rem;border-top:1px solid var(--kt-border);font-size:13px;color:var(--kt-muted)}.foot-copy a{color:var(--kt-muted)}.foot-inn{font-size:10px;opacity:.45}.foot-copy a:hover{color:var(--kt-accent)}.foot-terms{border:none;background:none;padding:0;font:inherit;color:var(--kt-muted);cursor:pointer}.foot-terms:hover{color:var(--kt-accent)}.foot-desktop{display:inline-flex;align-items:center;gap:5px;color:var(--kt-muted);text-decoration:none}.foot-desktop:hover{color:var(--kt-accent)}.foot-ico{display:inline-flex;color:var(--kt-muted)}.foot-ico svg{width:14px;height:14px}.auth-submit{align-self:stretch}.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.plan-card{display:flex;flex-direction:column;gap:.5rem;align-items:center;padding:1rem .75rem;border:1px solid var(--kt-border);border-radius:10px;background:var(--kt-surface-2)}.plan-name{font-weight:600}.plan-price{font-size:1.3rem;font-weight:700;color:var(--kt-accent-text)}.account-badge{display:inline-flex;flex-wrap:nowrap;gap:.5rem;align-items:center;max-width:100%;min-width:0;padding:.35rem .9rem;border:1px solid var(--kt-border);border-radius:14px;background:var(--kt-surface);font-size:.85rem;color:var(--kt-text-2)}.account-badge-email{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-badge-date{color:var(--kt-muted);white-space:nowrap}.account-badge-key{min-width:0;flex:0 1 auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.62rem;line-height:1;letter-spacing:.02em;color:var(--kt-muted);opacity:.65;-webkit-user-select:all;user-select:all;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.offline-banner{position:fixed;top:0;left:50%;transform:translate(-50%);z-index:50;margin:0;padding:.4rem 1rem;background:var(--kt-surface);border:1px solid var(--kt-border-strong);border-radius:0 0 10px 10px;font-size:.85rem;color:var(--kt-text-2)}@media (max-width: 640px){.plan-grid{grid-template-columns:1fr}}.muted{color:var(--kt-muted)}.small{font-size:.85rem}.link{background:none;border:none;padding:0;color:var(--kt-accent);cursor:pointer;font:inherit;font-weight:600}a{color:var(--kt-accent)}.btn{font:inherit;padding:.45rem .9rem;border-radius:8px;border:1px solid var(--kt-border-strong);background:var(--kt-surface);color:var(--kt-text);cursor:pointer}.btn:hover:not(:disabled){background:var(--kt-surface-2)}.btn:disabled{opacity:.5;cursor:default}.btn.small{padding:.25rem .6rem;font-size:.85rem}.block-tts{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin:0 0 .6rem;padding:.45rem .6rem;border:1px dashed var(--kt-border, #d5d9e0);border-radius:8px;background:#6366f10d}.block-tts-title{font-size:.85rem;font-weight:600;color:var(--kt-accent, #6366f1)}.block-tts-badge{font-size:.78rem;font-weight:600;color:#0a7d33;background:#108c3c1f;border-radius:999px;padding:.12rem .55rem}.block-tts-voice{max-width:170px}.btn-primary{background:var(--kt-accent);border-color:var(--kt-accent);color:var(--kt-on-accent)}.btn-primary:hover:not(:disabled){background:var(--kt-accent-strong)}.btn-danger{color:var(--kt-danger);border-color:var(--kt-danger-border)}.btn-danger:hover:not(:disabled){background:var(--kt-danger-soft)}.icon-btn{font:inherit;display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:30px;padding:0 .35rem;border:1px solid var(--kt-border-strong);background:var(--kt-surface);color:var(--kt-text);border-radius:8px;cursor:pointer}.icon-btn:hover:not(:disabled){background:var(--kt-surface-2)}.icon-btn.active{border-color:var(--kt-accent);color:var(--kt-accent);background:var(--kt-accent-soft)}.icon-btn-lg{width:34px;height:34px;min-width:34px;padding:0}.icon-btn:disabled{opacity:.4;cursor:default}.icon-btn--locked{opacity:.55;border-style:dashed}.icon-btn.btn-danger{color:var(--kt-danger);border-color:var(--kt-danger-border)}.kt-narration-btn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;padding:0;border:1px solid var(--kt-accent);border-radius:50%;background:var(--kt-accent-soft);color:var(--kt-accent);cursor:pointer;flex:none}.kt-narration-btn:hover{filter:brightness(.96)}.kt-narration-btn svg{width:15px;height:15px}.voice-demo{display:inline-flex;align-items:center;gap:6px;flex:none}.voice-demo-spinner{display:inline-block;width:12px;height:12px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:voice-demo-spin .8s linear infinite}@keyframes voice-demo-spin{to{transform:rotate(360deg)}}.item-narration{display:inline-flex;align-items:center;gap:4px;flex:none}.item-narration .icon-btn{width:26px;height:26px}.record-narration{display:inline-flex;align-items:center;gap:4px;flex:none}.record-narration .icon-btn{width:26px;height:26px}.record-narration-timer{color:#d64545;font-size:.85rem;font-variant-numeric:tabular-nums;white-space:nowrap}.record-narration-stop{color:#d64545}.table-editor-cell{display:inline-flex;align-items:center;gap:4px}input,select,textarea{font:inherit;padding:.4rem .6rem;border:1px solid var(--kt-border-strong);border-radius:8px;background:var(--kt-surface);color:var(--kt-text)}input:focus,select:focus,textarea:focus{outline:2px solid var(--kt-focus);border-color:var(--kt-accent)}label{display:flex;flex-direction:column;gap:.25rem;font-size:.9rem;color:var(--kt-text-2)}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.25rem;flex-wrap:wrap}.page-header h1{margin:0}.page-head-left{display:grid;gap:.3rem}.brand-logo{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.05rem;letter-spacing:.01em;line-height:1;color:var(--kt-text)}.brand-logo svg{flex:none}.page-actions{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.course-meta{display:flex;flex-direction:column;gap:.25rem}.card-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.75rem}.card{display:flex;justify-content:space-between;gap:1rem;background:var(--kt-surface);border:1px solid var(--kt-border);border-radius:12px;padding:1rem 1.25rem;align-items:center;flex-wrap:wrap}.card-body{flex:1 1 260px}.card-body:has(>.card-cover){display:flex;align-items:flex-start;gap:.9rem}.card-body-main{flex:1 1 auto;min-width:0}.card-cover{flex:0 0 auto;width:160px;aspect-ratio:40 / 21;object-fit:cover;border-radius:8px;border:1px solid var(--kt-border)}@media (max-width: 560px){.card-cover{width:116px}}.cover-thumb{display:block;width:132px;aspect-ratio:40 / 21;object-fit:cover;border-radius:6px;border:1px solid var(--kt-border);cursor:pointer}.card-body h2{margin:0 0 .25rem;font-size:1.1rem}.card-body p{margin:.15rem 0}.card-actions{display:flex;gap:.5rem}.success{color:var(--kt-success);background:var(--kt-success-soft);border:1px solid var(--kt-success-border);padding:.5rem .9rem;border-radius:8px}.error{color:var(--kt-danger);background:var(--kt-danger-soft);border:1px solid var(--kt-danger-border);padding:.5rem .9rem;border-radius:8px}.title-input{font-size:1.3rem;font-weight:700;width:100%;max-width:560px;border-color:transparent;background:transparent}.title-input:hover,.title-input:focus{border-color:var(--kt-border-strong);background:var(--kt-surface)}.desc-input{width:100%;max-width:560px;border-color:transparent;background:transparent;color:var(--kt-muted)}.desc-input:hover,.desc-input:focus{border-color:var(--kt-border-strong);background:var(--kt-surface)}.course-layout{display:grid;grid-template-columns:280px 1fr;gap:1rem;align-items:start}.course-layout>*{min-width:0}@media (max-width: 800px){.course-layout{grid-template-columns:1fr}}.course-sidebar{display:flex;flex-direction:column;gap:.75rem}.module-box{background:var(--kt-surface);border:1px solid var(--kt-border);border-radius:12px;padding:.75rem}.module-head{display:flex;gap:.3rem;align-items:center;margin-bottom:.5rem}.module-head input{flex:1;min-width:0;font-weight:600;border-color:transparent;background:transparent;padding:.25rem .4rem}.module-head input:hover,.module-head input:focus{border-color:var(--kt-border-strong);background:var(--kt-surface)}.module-box ul{list-style:none;margin:0 0 .5rem;padding:0;display:flex;flex-direction:column;gap:2px}.lesson-link{display:flex;width:100%;text-align:left;font:inherit;border:none;background:transparent;color:var(--kt-text);padding:.35rem .5rem;border-radius:6px;cursor:pointer;gap:.4rem;align-items:center}.lesson-link:hover{background:var(--kt-surface-2)}.lesson-link.active{background:var(--kt-accent-soft);color:var(--kt-accent-text);font-weight:600}.course-content{background:var(--kt-surface);border:1px solid var(--kt-border);border-radius:12px;padding:1.25rem;min-height:320px}.lesson-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.lesson-tools{display:flex;gap:.4rem;align-items:center}.lesson-editor .title-input{font-size:1.15rem;max-width:480px}.block-list{display:flex;flex-direction:column;gap:.75rem}.block-card{border:1px solid var(--kt-border);border-radius:10px;padding:.75rem 1rem}.block-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.block-type{font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--kt-accent);font-weight:700}.token-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;border:1px solid var(--kt-border);background:var(--kt-surface);color:var(--kt-text);font:inherit;font-size:13px;font-weight:600;cursor:pointer}.token-badge:hover{border-color:var(--kt-accent-border);color:var(--kt-accent)}.token-badge svg{color:var(--kt-accent);flex:none}.token-badge-count{font-variant-numeric:tabular-nums}.tokens-overview{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:8px}.tokens-balance{display:flex;flex-direction:column}.tokens-balance-num{font-size:30px;font-weight:700;line-height:1.1}.tokens-balance-label{color:var(--kt-muted);font-size:13px}.tokens-costs{margin:0 0 14px}.tokens-buy-note{margin:0}.token-packages{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:12px 0}.token-package{display:flex;flex-direction:column;gap:4px;padding:14px;border-radius:12px;border:1px solid var(--kt-border);background:var(--kt-surface);color:var(--kt-text);cursor:pointer;font:inherit;text-align:left}.token-package:hover{border-color:var(--kt-accent-border)}.token-package:disabled{opacity:.6;cursor:default}.token-package-count{font-weight:700;font-size:15px}.token-package-price{font-size:20px;font-weight:700;color:var(--kt-accent)}.token-package-rate{font-size:12px;color:var(--kt-muted)}.token-history{border-top:1px solid var(--kt-border);padding-top:10px}.token-history-title{margin:0 0 8px;text-transform:uppercase;letter-spacing:.04em}.token-history-list{list-style:none;margin:0 0 10px;padding:0;display:flex;flex-direction:column;gap:6px;max-height:320px;overflow-y:auto}.token-history-row{display:grid;grid-template-columns:120px 1fr auto auto;gap:2px 10px;font-size:13px;padding:6px 8px;border:1px solid var(--kt-border);border-radius:8px}.token-history-meta{grid-column:1 / -1;color:var(--kt-muted);font-size:12px}.token-history-date{color:var(--kt-muted);font-variant-numeric:tabular-nums}.token-history-minus{color:var(--kt-danger);font-weight:600;font-variant-numeric:tabular-nums}.token-history-plus{color:var(--kt-success);font-weight:600;font-variant-numeric:tabular-nums}.token-history-after{color:var(--kt-muted);font-variant-numeric:tabular-nums}.add-block-row{display:flex;gap:.5rem;margin-top:1rem;flex-wrap:wrap}.block-editor{display:flex;flex-direction:column;gap:.6rem}.field-row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.field-row label.btn{flex-direction:row;align-items:center}.thumb{max-height:120px;border-radius:8px;border:1px solid var(--kt-border)}.question-box{border:1px solid var(--kt-border);border-radius:10px;padding:.6rem .75rem;display:flex;flex-direction:column;gap:.5rem}.question-head{display:flex;justify-content:space-between;align-items:center}.options-list{display:flex;flex-direction:column;gap:.35rem}.option-row{display:flex;gap:.4rem;align-items:center}.option-row input:not([type=radio]){flex:1;min-width:0}.option-row select{min-width:160px}.option-correct{display:flex;flex-direction:row;align-items:center;gap:.2rem;color:var(--kt-success-strong)}.block-editor h4{margin:.5rem 0 0;font-size:.9rem;color:var(--kt-text-2)}.preview-area{border:1px dashed var(--kt-border-strong);border-radius:10px;padding:1rem;background:var(--kt-surface-2)}.dd-thumb{height:42px;width:auto;border-radius:6px;border:1px solid var(--kt-border)}.table-editor-grid{display:flex;flex-direction:column;gap:4px;overflow-x:auto;padding-bottom:4px}.table-editor-row{display:flex;gap:4px;align-items:center;min-width:max-content}.table-editor-row input{flex:1 1 110px;min-width:90px}.mindmap-toolbar{display:flex;gap:.4rem;flex-wrap:wrap;align-items:center}.mindmap-hint{font-size:.8rem;color:var(--kt-muted);margin:0}.mindmap-canvas{overflow:auto;border:1px solid var(--kt-border);border-radius:10px;background:var(--kt-surface-2);min-height:300px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.mindmap-canvas-inner{position:relative;background-image:radial-gradient(var(--kt-border) 1px,transparent 1px);background-size:22px 22px}.mindmap-editor-svg{position:absolute;top:0;left:0;pointer-events:none}.mindmap-edge{stroke:var(--kt-border-strong);stroke-width:2;fill:none}.mindmap-arrowhead{fill:var(--kt-border-strong)}.mindmap-edgelabel-bg{fill:var(--kt-surface);stroke:var(--kt-border)}.mindmap-edgelabel{font-size:11px;fill:var(--kt-text)}.mindmap-edge-row input{width:150px;flex:0 0 auto;padding:.25rem .4rem;font-size:.85rem}.mm-node{position:absolute;width:170px;height:38px;cursor:grab;touch-action:none}.mm-node:active{cursor:grabbing}.mm-node input{position:relative;z-index:1;width:100%;height:100%;border:none;background:transparent;text-align:center;font:inherit;font-size:13px;padding:0 8px;outline:none;color:var(--kt-text);border-radius:8px}.mm-node-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--kt-surface);border:1.5px solid var(--kt-border-strong);border-radius:10px}.mm-node-bg.shape-rect{border-radius:2px}.mm-node-bg.shape-ellipse{border-radius:19px}.mm-node-bg.shape-diamond{border-radius:0;clip-path:polygon(11% 0,89% 0,100% 50%,89% 100%,11% 100%,0 50%)}.mm-node.accent input{font-weight:700}@media (max-width: 640px){.mm-node input{font-size:14px}.mindmap-toolbar .btn{flex:0 0 auto}.table-editor-row input{min-width:110px}}.mm-node.selected .mm-node-bg{border-color:var(--kt-accent);box-shadow:0 0 0 2px var(--kt-accent-soft)}.mm-node.link-source .mm-node-bg{border-color:var(--kt-success-strong);box-shadow:0 0 0 2px var(--kt-success-soft)}.mindmap-edges-list{display:flex;flex-direction:column;gap:2px;font-size:.85rem;color:var(--kt-text-2)}.mindmap-edge-row{display:flex;align-items:center;gap:.4rem}.mindmap-edge-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview-video{max-height:220px;border-radius:8px;border:1px solid var(--kt-border)}.preview-audio{width:320px;max-width:100%}.tiptap-toolbar{display:flex;gap:.3rem;flex-wrap:wrap}.tiptap-toolbar button{font:inherit;font-size:.85rem;border:1px solid var(--kt-border);background:var(--kt-surface);color:var(--kt-text);border-radius:6px;padding:.2rem .5rem;cursor:pointer}.tiptap-toolbar button.active{background:var(--kt-accent-soft);border-color:var(--kt-accent-border);color:var(--kt-accent-text)}.tiptap-area .ProseMirror{min-height:140px;border:1px solid var(--kt-border);border-radius:8px;padding:.75rem 1rem;line-height:1.6;outline:none}.tiptap-area .ProseMirror:focus{border-color:var(--kt-accent-border);box-shadow:0 0 0 2px var(--kt-accent-soft)}.tiptap-area .ProseMirror p{margin:.4em 0}.tiptap-area .ProseMirror h2,.tiptap-area .ProseMirror h3{margin:.7em 0 .3em}.tiptap-area .ProseMirror ul,.tiptap-area .ProseMirror ol{padding-left:1.4em}.tiptap-area .ProseMirror blockquote{border-left:3px solid var(--kt-focus);margin:.6em 0;padding-left:.9em;color:var(--kt-muted)}.tiptap-area .ProseMirror pre{background:var(--kt-code-bg);color:var(--kt-code-text);padding:.6rem .8rem;border-radius:8px}.tiptap-area .ProseMirror code{background:var(--kt-inline-code);border-radius:4px;padding:.05rem .3rem}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#02061780;z-index:80;display:flex;align-items:center;justify-content:center;padding:1rem}.modal{width:min(440px,100%);background:var(--kt-surface);border:1px solid var(--kt-border);border-radius:14px;padding:1.25rem;display:flex;flex-direction:column;gap:.75rem;box-shadow:0 16px 40px var(--kt-shadow-strong)}.modal h3,.modal p{margin:0}.modal-actions{display:flex;gap:.5rem;justify-content:flex-end}.check-row{display:flex;flex-direction:row;align-items:center;gap:.5rem;color:var(--kt-text);font-size:.95rem}.check-row input{width:18px;height:18px;accent-color:var(--kt-accent)}.game-weights-title{margin:1rem 0 .5rem}.game-weights{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.5rem 1.25rem;margin-bottom:1rem}.game-weight-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;color:var(--kt-text);font-size:.95rem}.game-weight-row input{width:5.5rem}.tools-check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem 1rem;margin:.5rem 0 .25rem}@media (max-width: 560px){.tools-check-list{grid-template-columns:1fr}}.page-header-notes{display:flex;gap:.5rem;align-items:center;min-height:22px}.badge-offline{background:var(--kt-danger-soft);color:var(--kt-danger);border:1px solid var(--kt-danger-border);padding:.15rem .6rem;border-radius:999px;font-size:.78rem;font-weight:600}.saved-note{color:var(--kt-muted);font-size:.78rem}.lesson-add-row{display:flex;gap:.4rem;align-items:center}.template-select{flex:1;min-width:0;padding:.3rem .4rem;font-size:.85rem}.lesson-link .muted{margin-left:.3rem}.issue-list{display:flex;flex-direction:column;gap:.3rem;max-height:320px;overflow:auto}.issue-item{display:flex;flex-direction:column;gap:.1rem;padding:.4rem .6rem;border:1px solid var(--kt-border);border-radius:8px;background:var(--kt-surface-2);cursor:pointer;text-align:left;font:inherit;font-size:.85rem;color:var(--kt-text)}.issue-item:hover{border-color:var(--kt-accent-border)}.version-list{display:flex;flex-direction:column;gap:.3rem;max-height:320px;overflow:auto}.version-row{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.4rem .6rem;border:1px solid var(--kt-border);border-radius:8px;font-size:.85rem}.runmode-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--kt-bg);z-index:90;overflow:auto;padding:1rem}.runmode-inner{max-width:860px;margin:0 auto;padding-bottom:3rem}.runmode-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;position:sticky;top:0;background:var(--kt-bg);padding:.5rem 0;z-index:2}.runmode-inner .lesson-confirm .kt-passed .btn{margin-left:.75rem;vertical-align:middle}.qr-box img{width:220px;height:220px;border:1px solid var(--kt-border);border-radius:8px;background:#fff}textarea{font:inherit;resize:vertical}.markers-stage{position:relative;cursor:crosshair;background:var(--kt-surface-2)}.markers-stage img{position:absolute;top:0;left:0;width:100%;height:100%;max-width:none;pointer-events:none;-webkit-user-select:none;user-select:none;border-radius:6px}.mm-marker{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:2px;background:transparent;border:none;cursor:grab;touch-action:none;font:inherit;padding:0}.mm-marker:active{cursor:grabbing}.mm-marker .dot{min-width:30px;height:30px;border-radius:50%;background:var(--kt-accent);color:var(--kt-on-accent);font-weight:700;font-size:13px;display:inline-flex;align-items:center;justify-content:center;border:2px solid var(--kt-surface);padding:0 4px}.mm-marker.selected .dot{box-shadow:0 0 0 3px var(--kt-accent-soft)}.mm-marker .lbl{font-size:11px;background:var(--kt-surface);color:var(--kt-text);border:1px solid var(--kt-border);border-radius:6px;padding:1px 6px;max-width:140px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fs-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:95;background:var(--kt-bg);padding:1rem;display:flex;flex-direction:column;gap:.5rem;overflow:auto;overscroll-behavior:contain}.fs-overlay .mindmap-canvas{flex:1;min-height:300px;max-height:none}.canvas-tools{display:flex;gap:.3rem;align-items:center;flex-wrap:wrap}.markers-scrollwrap{overflow:auto;border:1px dashed var(--kt-border-strong);border-radius:10px}.fs-overlay .markers-scrollwrap{flex:1;min-height:0;max-height:none;border:none}.fs-overlay .markers-stage{display:block;margin:0 auto}.model3d-scrollwrap{display:flex;flex-direction:column}.pay-loading{display:flex;flex-direction:column;align-items:center;gap:.75rem;padding:2.25rem 1rem}.pay-loading-spinner{width:32px;height:32px;border-radius:50%;border:3px solid var(--kt-border);border-top-color:var(--kt-accent);animation:pay-loading-spin .8s linear infinite}@keyframes pay-loading-spin{to{transform:rotate(360deg)}}.mobile-fab{display:none}@media (max-width: 800px){.page{padding:1rem .75rem 2.5rem}.page-header{flex-direction:column;align-items:stretch}.page-head-left,.course-meta{padding-right:4.5rem}.page-actions{display:none}.page-actions-main{grid-template-columns:repeat(3,1fr)}.page-actions-course{grid-template-columns:repeat(4,1fr)}.page-actions-course .icon-btn-lg{width:100%;min-height:44px}.page-actions-main .account-badge{grid-column:1 / -1;flex-wrap:wrap;justify-content:center;padding:.25rem .6rem}.page-actions-main .account-badge-key{flex-basis:100%;text-align:center}.page-actions-main .account-badge .btn.small{padding:.15rem .45rem;font-size:.75rem}.page-actions-main .btn-primary{grid-column:1 / -1}.page-actions-main .icon-btn-lg{width:100%;min-height:44px}.page-actions .btn,.page-actions label.btn{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-height:44px;padding:.5rem .6rem;font-size:.88rem;display:inline-flex;align-items:center;justify-content:center}.page-actions .btn-primary{grid-column:1 / -1}.mobile-fab{position:fixed;top:1.1rem;right:1.1rem;z-index:40;display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border:none;border-radius:50%;background:var(--kt-accent);color:var(--kt-on-accent);box-shadow:0 6px 18px var(--kt-shadow-strong);cursor:pointer}.mobile-fab:active{transform:scale(.94)}.mobile-menu-actions .page-actions{display:flex;flex-direction:column;gap:.5rem}.mobile-menu-actions .page-actions>.icon-btn{display:flex;flex-direction:row;height:auto;justify-content:flex-start;gap:.6rem;padding:0 .9rem;font-size:.92rem}.mobile-menu-actions .page-actions>.icon-btn svg{flex:0 0 auto}.mobile-menu-actions .page-actions>.icon-btn:after{content:attr(aria-label)}.card .card-actions .btn{font-size:.9rem;padding:.5rem .6rem;min-height:42px}.title-input{font-size:1.15rem}.card{padding:.85rem 1rem}.card-actions{width:100%}.card-actions .btn{flex:1}.btn,.lesson-link{min-height:40px}.icon-btn{min-height:36px;padding:.3rem .6rem}.option-row{flex-wrap:wrap}.option-row input:not([type=radio]){flex:1 1 100%}.option-row select{flex:1 1 150px;min-width:0}.lesson-head{flex-direction:column;align-items:stretch}.lesson-tools,.module-head{flex-wrap:wrap}}.key-export-wrap{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:10px}.key-export-fab{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;padding:0;border:1px solid var(--kt-accent-border);border-radius:50%;background:var(--kt-accent);color:var(--kt-on-accent);cursor:pointer;box-shadow:0 10px 24px var(--kt-shadow-strong)}.key-export-fab:hover{background:var(--kt-accent-strong);transform:scale(1.05)}.key-export-fab:focus-visible{outline:2px solid var(--kt-focus);outline-offset:2px}.key-export-fab:active{transform:scale(.94)}.key-export-fab.open{background:var(--kt-accent-strong)}.key-export-pop{width:min(560px,calc(100vw - 36px));padding:18px;border:1px solid var(--kt-border-strong);border-radius:14px;background:var(--kt-surface);color:var(--kt-text);box-shadow:0 18px 40px var(--kt-shadow-strong)}.key-export-pop h2{margin:0 0 8px;font-size:16px}.key-export-pop p{margin:0 0 10px;font-size:13px;line-height:1.5;color:var(--kt-text-2)}.key-export-pop ul{margin:0 0 12px;padding-left:18px;font-size:13px;line-height:1.5;color:var(--kt-text-2)}.key-export-pop li+li{margin-top:6px}.key-export-actions{display:flex;justify-content:flex-end;gap:8px}.key-export-status{margin:10px 0 0;font-size:12px;line-height:1.45}.key-export-status--ok{color:var(--kt-success)}.key-export-status--error{color:var(--kt-danger)}.course-save-fab{position:fixed;right:22px;bottom:22px;z-index:60;display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border:1px solid var(--kt-accent-border);border-radius:50%;background:var(--kt-accent);color:var(--kt-on-accent);cursor:pointer;box-shadow:0 10px 24px var(--kt-shadow-strong)}.course-save-fab:hover{background:var(--kt-accent-strong);transform:scale(1.05)}.course-save-fab:focus-visible{outline:2px solid var(--kt-focus);outline-offset:2px}.course-save-fab:active{transform:scale(.94)}.export-save-hint{margin:0 0 12px;padding:10px 12px;border:1px solid var(--kt-accent-border);border-radius:10px;background:var(--kt-accent-soft);color:var(--kt-accent-text);font-size:13px;line-height:1.5}.modal-card.authors-modal{max-width:680px}.authors-list{display:flex;flex-direction:column;gap:.6rem;margin-bottom:.75rem}.author-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;border:1px solid var(--kt-border);border-radius:10px;padding:.6rem .75rem}.author-avatar{width:56px;height:56px;border-radius:50%;border:1px dashed var(--kt-border-strong);background:var(--kt-surface-2);overflow:hidden;cursor:pointer;flex:none;display:flex;align-items:center;justify-content:center}.author-avatar:hover{border-color:var(--kt-accent)}.author-avatar img{width:100%;height:100%;object-fit:cover;display:block}.author-avatar-empty{font-size:1.5rem;line-height:1;color:var(--kt-text-2)}.author-fields{flex:1 1 200px;min-width:0;display:flex;flex-direction:column;gap:2px}.author-fields input{width:100%}.modal-card.author-page-modal{max-width:900px}.author-page-modal .add-block-row{margin-top:.75rem}.calc-field-tools{display:flex;gap:.25rem}.field-row.calc-row label{font-size:.8rem}.field-row.calc-row .calc-grow{flex:1 1 200px;min-width:0}.field-row.calc-row .calc-var{flex:0 1 130px;min-width:100px}.field-row.calc-row input,.field-row.calc-row select{width:100%}.question-head code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.85em;background:var(--kt-accent-soft);padding:.05rem .3rem;border-radius:4px}.chart-cat-label{flex:0 0 150px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.candle-author-canvas{border:1px solid var(--kt-border-strong, #cbd5e1);border-radius:10px;padding:.6rem;background:var(--kt-surface-soft, #f8fafc)}.candle-author-canvas .muted.small{margin:0 0 .4rem}.scheme-stage{position:relative;width:100%;border-radius:12px;overflow:hidden;background:#f8fafc;-webkit-user-select:none;user-select:none;cursor:crosshair}.scheme-stage img{display:block;width:100%;height:auto;pointer-events:none}.scheme-stage-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;pointer-events:none}.scheme-line-casing{stroke:#fff;stroke-width:8;stroke-linecap:round;stroke-linejoin:round;fill:none;opacity:.9}.scheme-line-core{stroke:#2563eb;stroke-width:4.5;stroke-linecap:round;stroke-linejoin:round;fill:none}.scheme-line.is-main .scheme-line-casing{stroke-width:11}.scheme-line.is-main .scheme-line-core{stroke-width:6}.scheme-pt{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:2px;cursor:grab;touch-action:none}.scheme-pt:active{cursor:grabbing}.scheme-pt-dot{width:14px;height:14px;border-radius:50%;background:#2563eb;border:2.5px solid #ffffff;box-shadow:0 1px 4px #0f172a59}.scheme-pt.link-from .scheme-pt-dot{background:#f97316}.scheme-line.is-active .scheme-line-core{stroke-dasharray:none;filter:drop-shadow(0 0 3px rgba(37,99,235,.55))}.scheme-line-pending{fill:none;stroke:#f97316;stroke-width:3;stroke-dasharray:6 6;stroke-linecap:round}.scheme-pt.is-wpt .scheme-pt-dot{width:9px;height:9px;background:#64748b;border-width:2px}.scheme-pt.is-wpt{cursor:move}.scheme-line-color-dot{display:inline-block;width:12px;height:12px;border-radius:4px;border:1px solid rgba(15,23,42,.15);flex:none}.scheme-color-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.scheme-swatch{width:22px;height:22px;border-radius:6px;border:2px solid transparent;cursor:pointer;padding:0}.scheme-swatch.selected{border-color:#0f172a}.scheme-swatch-custom input[type=color]{width:28px;height:22px;padding:0;border:1px solid #cbd5e1;border-radius:6px;background:#fff;cursor:pointer;display:block}.scheme-pt-lbl{font-size:11px;font-weight:600;color:#0f172a;background:#ffffffd9;padding:1px 6px;border-radius:6px;white-space:nowrap;pointer-events:none}