:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;color:#20202d;background:#fbfaf6;font-synthesis:none;text-rendering:optimizeLegibility;--accent: oklch(.49 .235 282);--accent-dark: oklch(.39 .2 282);--accent-soft: oklch(.94 .035 282);--ink: oklch(.25 .025 285);--muted: oklch(.53 .025 285);--line: oklch(.88 .015 285);--surface: oklch(.995 .004 95);--scene: oklch(.955 .018 285);--danger: oklch(.53 .17 15);--success: oklch(.48 .12 150)}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input{font:inherit}button{color:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid oklch(.72 .16 282);outline-offset:3px}a{color:var(--accent-dark)}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em}p{line-height:1.6}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.app-shell{min-height:100vh}.topbar{min-height:80px;display:grid;grid-template-columns:minmax(240px,1fr) auto minmax(150px,1fr);align-items:center;gap:24px;padding:12px 28px;border-bottom:1px solid var(--line);background:var(--surface);position:relative;z-index:20}.brand{display:flex;align-items:center;gap:11px;border:0;background:transparent;padding:0;text-align:left;width:fit-content}.brand-mark{width:44px;height:44px;display:grid;place-items:center;background:var(--accent);color:var(--surface);border-radius:14px}.brand strong{display:block;font-size:17px;letter-spacing:-.02em}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.mode-nav{display:flex;align-items:center;gap:4px;background:#ededf6;border-radius:13px;padding:4px}.mode-nav button{border:0;background:transparent;padding:10px 15px;border-radius:10px;font-size:13px;font-weight:650;white-space:nowrap;transition:background .18s ease-out,color .18s ease-out}.mode-nav button.active{background:var(--surface);color:var(--accent-dark);box-shadow:0 2px 8px #2c2c3c14}.about-button{justify-self:end;display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 13px;font-size:13px;font-weight:650}.about-button:hover{border-color:var(--accent)}.workspace{display:grid;grid-template-columns:244px minmax(420px,1fr) 380px;grid-template-areas:"left scene right";gap:24px;max-width:1800px;margin:0 auto;padding:24px 28px 30px;align-items:start}.left-panel{grid-area:left;min-width:0;max-height:calc(100vh - 134px);overflow-y:auto;padding-right:8px}.panel-heading{display:flex;justify-content:space-between;align-items:baseline;padding:0 4px 14px;border-bottom:1px solid var(--ink);margin-bottom:4px;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.panel-heading strong{color:var(--muted);font-size:10px}.structure-list{display:flex;flex-direction:column}.structure-item{width:100%;display:grid;grid-template-columns:28px 1fr;gap:8px;text-align:left;padding:12px 8px;border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:8px;transition:background .16s ease-out}.structure-item:hover,.structure-item.selected{background:var(--accent-soft)}.structure-index{font-size:11px;font-variant-numeric:tabular-nums;color:var(--muted);padding-top:2px}.structure-item.selected .structure-index{color:var(--accent);font-weight:750}.structure-item strong{display:block;font-size:13px;line-height:1.35;font-weight:650}.structure-item small{display:block;color:var(--muted);font-size:10px;margin-top:4px;line-height:1.35}.legend{display:flex;flex-wrap:wrap;gap:9px 13px;color:var(--muted);font-size:10px;padding:18px 4px}.legend span{display:flex;align-items:center;gap:5px}.panel-note{font-size:12px;color:var(--muted);padding:10px 4px}.scene-column{grid-area:scene;min-width:0}.scene-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;min-height:57px;margin-bottom:15px}.section-kicker{color:var(--accent);font-size:10px;font-weight:750;letter-spacing:.13em;text-transform:uppercase;margin-bottom:6px}.scene-heading h1{font-size:29px;line-height:1.1;margin:0;font-weight:720}.segmented{display:flex;padding:3px;border:1px solid var(--line);border-radius:11px;background:var(--surface);flex-shrink:0}.segmented button{border:0;background:transparent;padding:8px 10px;border-radius:8px;display:flex;align-items:center;gap:5px;font-size:11px;font-weight:650}.segmented button.active{background:var(--accent);color:var(--surface)}.scene-wrap{height:min(66vh,690px);min-height:490px;position:relative;border-radius:24px;overflow:hidden;background:var(--scene);border:1px solid oklch(.9 .02 285)}.scene-wrap canvas{touch-action:none}.scene-wrap:before{content:"Загрузка 3D-модели…";position:absolute;inset:0;z-index:8;display:grid;place-items:center;background:var(--scene);color:var(--muted);font-size:12px;pointer-events:none;animation:reveal-scene .3s ease-out .9s forwards}.scene-badge{position:absolute;top:17px;left:17px;display:flex;align-items:center;gap:6px;color:var(--muted);background:var(--surface);border:1px solid var(--line);padding:7px 9px;border-radius:8px;font-size:10px;font-weight:650;pointer-events:none}.scene-toolbar{position:absolute;left:14px;right:14px;bottom:14px;display:flex;justify-content:center;flex-wrap:wrap;gap:5px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:13px;box-shadow:0 8px 30px #2c2b4114}.scene-toolbar button{display:flex;align-items:center;gap:5px;border:0;background:transparent;padding:7px 8px;border-radius:8px;font-size:10px;font-weight:600}.scene-toolbar button:hover,.scene-toolbar button.active{background:var(--accent-soft);color:var(--accent-dark)}.camera-presets{position:absolute;top:16px;right:16px;display:flex;align-items:center;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:3px}.camera-presets span{color:var(--muted);font-size:9px;padding:0 5px}.camera-presets button{border:0;background:transparent;font-size:9px;padding:6px;border-radius:6px}.camera-presets button:hover{background:var(--accent-soft)}.scene-caption{display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:9px;line-height:1.45;padding:9px 4px 0}.scene-caption span:last-child{text-align:right;max-width:310px}.scene-label{border:1px solid var(--line);background:var(--surface);color:var(--ink);box-shadow:0 3px 12px #2c2c3c1f;border-radius:6px;padding:5px 7px;font-size:10px;white-space:nowrap}.region-label,.inset-label{display:block;background:var(--surface);border:1px solid var(--line);color:var(--muted);border-radius:6px;padding:5px 8px;font-size:10px;white-space:nowrap}.scene-fallback{height:100%;display:grid;place-content:center;text-align:center;padding:30px}.scene-fallback p{max-width:420px;color:var(--muted)}.right-panel{grid-area:right;min-width:0;max-height:calc(100vh - 134px);overflow-y:auto;padding-right:5px}.detail-card,.empty-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px}.detail-card h2{font-size:25px;line-height:1.12;margin-bottom:13px}.detail-card h3{font-size:19px}.card-topline{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px}.region-tag{display:inline-flex;padding:6px 9px;border-radius:6px;font-size:10px;font-weight:700;background:var(--accent-soft);color:var(--accent-dark)}.region-outer{background:#ffe4dd;background:oklch(.94 .035 35);color:#813522}.region-middle{background:#fae9ce;color:#744700;color:oklch(.44 .1 70)}.region-inner{background:var(--accent-soft);color:var(--accent-dark)}.region-boundary{background:#f7efd1;color:#6c5005}.icon-button{width:34px;height:34px;display:inline-grid;place-items:center;flex-shrink:0;border:1px solid var(--line);border-radius:9px;background:var(--surface)}.icon-button:hover{background:var(--accent-soft);color:var(--accent-dark)}.lead-copy{color:#464655;font-size:13px;line-height:1.65;margin-bottom:18px}.button{min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:9px;padding:9px 12px;font-size:11px;font-weight:700;border:1px solid transparent;transition:background .16s ease-out,transform .16s ease-out}.button:not(:disabled):active{transform:translateY(1px)}.button-primary{background:var(--accent);color:var(--surface)}.button-primary:hover{background:var(--accent-dark)}.button-secondary{background:var(--surface);border-color:var(--line)}.button-secondary:hover{background:var(--accent-soft);border-color:var(--accent)}.button-full{width:100%}.fact-list{margin:20px 0 0}.fact-list>div{border-top:1px solid var(--line);padding:15px 0}.fact-list dt{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:750;margin-bottom:6px}.fact-list dt svg{color:var(--accent)}.fact-list dd{margin:0;color:var(--muted);font-size:12px;line-height:1.55}.sources{border-top:1px solid var(--line);padding-top:14px;margin-top:10px}.sources summary,.more-info summary,.profile-details summary{cursor:pointer;font-size:11px;font-weight:750}.sources ul{list-style:none;padding:0;margin:12px 0 0}.sources li{margin-bottom:12px}.sources a{display:flex;align-items:flex-start;gap:6px;font-size:11px;line-height:1.45}.sources a svg{flex-shrink:0;margin-top:2px}.sources li span{display:block;color:var(--muted);font-size:9px;margin-top:3px}.empty-card{text-align:center;padding:48px 26px;color:var(--muted)}.empty-card svg{color:var(--accent)}.empty-card h2{color:var(--ink);font-size:21px;margin:15px 0 8px}.empty-card p{font-size:12px;margin:0}.path-list{display:flex;flex-direction:column}.path-list button{display:grid;grid-template-columns:25px 1fr auto;gap:6px;align-items:center;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;padding:14px 5px;font-size:12px;line-height:1.4}.path-list button>span{width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:#e6e7f2;font-size:10px}.path-list button.selected{color:var(--accent-dark);font-weight:700}.path-list button.selected>span{background:var(--accent);color:var(--surface)}.path-legend{display:flex;flex-direction:column;gap:8px;padding:18px 5px;font-size:10px}.path-legend span:before,.path-kind:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:7px;background:currentColor}.wave{color:#007ea3;color:oklch(.55 .13 225)}.mechanical{color:#b97500;color:oklch(.62 .14 70)}.neural{color:#7250ba}.path-controls{margin-top:18px;display:grid;grid-template-columns:1fr auto;gap:10px 18px;border-top:1px solid var(--line);padding-top:18px}.path-kind{grid-column:1 / -1;font-size:10px;font-weight:700}.path-step-copy>span{color:var(--muted);font-size:10px}.path-step-copy h2{font-size:18px;margin:4px 0 6px}.path-step-copy p{color:var(--muted);font-size:11px;margin:0;max-width:470px}.path-buttons{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}.path-card ol{padding:0;list-style:none;counter-reset:item}.path-card li{counter-increment:item;display:grid;grid-template-columns:30px 1fr;padding:14px 0;border-top:1px solid var(--line)}.path-card li:before{content:counter(item);grid-row:span 2;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--accent-soft);color:var(--accent-dark);font-size:10px}.path-card li strong{font-size:12px}.path-card li span{color:var(--muted);font-size:11px;margin-top:4px}.medical-disclaimer{display:flex;gap:9px;align-items:flex-start;background:#f6eedc;color:#634b28;padding:11px;border-radius:9px;font-size:10px;line-height:1.45}.medical-disclaimer svg{flex-shrink:0}.more-info{border-top:1px solid var(--line);padding:14px 0}.more-info p{color:var(--muted);font-size:11px;margin:10px 0 0}.plain-list,.icon-list{color:var(--muted);font-size:11px;line-height:1.55;padding-left:18px;margin-bottom:0}.icon-list{list-style:none;padding-left:0}.icon-list li{display:flex;gap:7px;margin:8px 0}.icon-list svg{color:var(--success);flex-shrink:0}.visualization-note{display:flex;align-items:flex-start;gap:8px;background:var(--accent-soft);padding:12px;border-radius:9px}.visualization-note svg{color:var(--accent);flex-shrink:0;margin-top:2px}.visualization-note p{font-size:10px;margin:0;line-height:1.55}.audio-comparison{margin-top:24px;padding-top:22px;border-top:2px solid var(--ink)}.audio-comparison blockquote{margin:10px 0 13px;padding:12px 14px;background:var(--scene);border-radius:9px;font-size:12px;line-height:1.55}.active-profile{color:var(--muted);font-size:10px;line-height:1.55}.active-profile strong{color:var(--ink)}.safety-note{color:var(--muted);font-size:10px;line-height:1.5}.audio-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}.audio-actions .button:nth-child(3){grid-column:1 / 2}.stop-button{width:38px;height:38px}.playback-row{display:grid;grid-template-columns:auto auto 1fr 32px;align-items:center;gap:8px;margin-top:15px;font-size:10px}.playback-row input{min-width:0;accent-color:var(--accent)}.playback-row output{font-variant-numeric:tabular-nums;color:var(--muted)}.playback-status{display:flex;align-items:center;gap:7px;min-height:32px;margin-top:10px;color:var(--muted);font-size:10px}.playback-status.playing{color:var(--accent-dark);font-weight:650}.playback-status.playing:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 1s ease-out infinite alternate}.simulation-note{color:var(--muted);font-size:10px;line-height:1.5;background:#efeff8;padding:10px;border-radius:8px}.profile-details{margin-top:14px}.compact-details{margin:12px 0 0}.compact-details div{margin-bottom:12px}.compact-details dt{font-size:10px;font-weight:750;margin-bottom:4px}.compact-details dd{margin:0;color:var(--muted);font-size:10px;line-height:1.55}.error-message{color:var(--danger);font-size:11px}.spin{animation:spin 1s linear infinite}.quiz-side h2{font-size:22px;line-height:1.15;margin:20px 0 10px}.quiz-side p{color:var(--muted);font-size:12px}.quiz-dots{display:flex;flex-wrap:wrap;gap:6px;margin-top:20px}.quiz-dots span{width:25px;height:25px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;font-size:9px}.quiz-dots span.current{background:var(--accent);color:var(--surface);border-color:var(--accent)}.quiz-dots span.passed{background:var(--accent-soft);color:var(--accent-dark)}.quiz-progress{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;margin-bottom:9px}.progress-track{height:3px;background:var(--line);margin-bottom:23px}.progress-track span{display:block;height:100%;background:var(--accent);transition:width .25s ease-out}.answer-list{display:flex;flex-direction:column;gap:8px;margin:18px 0}.answer-option{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:9px;text-align:left;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:11px;font-size:11px;line-height:1.45}.answer-option>span{width:25px;height:25px;display:grid;place-items:center;background:#ededf6;border-radius:7px;font-size:10px;font-weight:750}.answer-option:not(:disabled):hover{border-color:var(--accent)}.answer-option.correct{border-color:var(--success);background:#e1f5e4;opacity:1}.answer-option.wrong{border-color:var(--danger);background:#ffeced;background:oklch(.96 .025 15);opacity:1}.answer-feedback{padding:13px;border-radius:10px;margin-bottom:15px}.answer-feedback.correct{background:#e1f5e4}.answer-feedback.wrong{background:#ffeced;background:oklch(.96 .025 15)}.answer-feedback strong{font-size:12px}.answer-feedback p{color:var(--muted);font-size:11px;margin:5px 0 0}.locate-instruction{padding:16px;background:var(--accent-soft);border-radius:10px;margin:18px 0}.locate-instruction strong{font-size:12px}.locate-instruction p{color:var(--muted);font-size:11px;margin:5px 0 0}.quiz-result h2{font-size:52px;color:var(--accent);margin:16px 0}.modal-backdrop{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:#10101c8c}.about-dialog{position:relative;width:min(640px,100%);max-height:88vh;overflow-y:auto;background:var(--surface);border-radius:22px;padding:32px;box-shadow:0 24px 80px #0a09174d}.about-dialog h2{font-size:32px;margin-bottom:12px}.about-dialog h3{font-size:15px;margin:22px 0 7px}.about-dialog p{color:var(--muted);font-size:12px}.dialog-close{position:absolute;top:18px;right:18px}.about-sources{display:grid;gap:7px}.about-sources a{display:flex;justify-content:space-between;gap:12px;font-size:11px;text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:7px}.about-dialog .button{margin-top:12px}.source-date{font-size:10px!important}@keyframes reveal-scene{to{opacity:0;visibility:hidden}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{to{opacity:.35;transform:scale(.8)}}@media(min-width:1500px){.workspace{grid-template-columns:260px minmax(560px,1fr) 410px;gap:30px}.scene-wrap{height:69vh}}@media(max-width:1250px){.topbar{grid-template-columns:220px 1fr auto;gap:12px;padding-inline:18px}.mode-nav button{padding-inline:10px}.workspace{grid-template-columns:205px minmax(360px,1fr) 330px;gap:16px;padding-inline:18px}.scene-toolbar button{font-size:9px;padding:7px 6px}.scene-heading{align-items:flex-start}.scene-heading h1{font-size:25px}.segmented button{font-size:10px;padding-inline:7px}.detail-card{padding:20px}}@media(max-width:1020px){.topbar{grid-template-columns:1fr auto}.mode-nav{grid-row:2;grid-column:1 / -1;justify-content:center}.workspace{grid-template-columns:200px minmax(0,1fr);grid-template-areas:"left scene" "right right"}.right-panel{max-height:none;overflow:visible}.right-panel .detail-card{max-width:760px;margin:0 auto}.left-panel{max-height:720px}.scene-wrap{min-height:510px}.audio-actions{grid-template-columns:repeat(3,1fr) auto}.audio-actions .button:nth-child(3){grid-column:auto}}@media(max-width:720px){.topbar{padding:12px 14px;gap:12px}.brand strong{font-size:15px}.brand small{font-size:10px}.brand-mark{width:39px;height:39px}.about-button{padding:9px;font-size:0}.about-button svg{width:19px;height:19px}.mode-nav{justify-content:flex-start;overflow-x:auto;border-radius:10px}.mode-nav button{font-size:11px;padding:9px 11px}.workspace{display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"scene" "left" "right";padding:16px 12px 26px;gap:20px}.scene-heading{min-height:0;align-items:flex-end}.scene-heading h1{font-size:24px}.scene-wrap{height:57vh;min-height:420px;border-radius:18px}.scene-badge{top:10px;left:10px}.camera-presets{top:10px;right:10px}.camera-presets span{display:none}.scene-toolbar{left:8px;right:8px;bottom:8px}.scene-toolbar button{font-size:9px;padding:7px}.scene-toolbar button svg{display:none}.scene-caption{flex-direction:column;gap:3px}.scene-caption span:last-child{text-align:left}.left-panel,.right-panel{max-height:none;overflow:visible;padding-right:0}.structure-list{display:grid;grid-template-columns:1fr 1fr;gap:0 8px}.structure-item{padding:11px 5px}.legend{padding-bottom:0}.detail-card{padding:20px;border-radius:18px}.path-controls{grid-template-columns:1fr}.path-buttons{justify-content:flex-start}.path-list{display:grid;grid-template-columns:1fr 1fr}.path-list button{grid-template-columns:25px 1fr}.path-list button svg{display:none}.audio-actions{grid-template-columns:1fr 1fr}.audio-actions .button:nth-child(3){grid-column:1 / 2}.about-dialog{padding:26px 20px}}@media(max-width:420px){.scene-heading{flex-direction:column;align-items:flex-start}.scene-wrap{min-height:390px}.structure-list{grid-template-columns:1fr}.camera-presets button{font-size:8px;padding:5px}.scene-toolbar button{font-size:8px;padding:6px 5px}.audio-actions{grid-template-columns:1fr}.audio-actions .button:nth-child(3){grid-column:auto}.stop-button{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
