:root{color-scheme:dark;--st-bg: #0e1114;--st-panel: rgba(18, 22, 26, .88);--st-text: #e8ecef;--st-muted: #9aa3ab;--st-accent: #5b8f7a;--st-accent-dim: #3d6254;--st-line: rgba(232, 236, 239, .14);--st-font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;--st-display: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif}:root{--bg: var(--st-bg);--panel: var(--st-panel);--text: var(--st-text);--muted: var(--st-muted);--accent: var(--st-accent);--accent-dim: var(--st-accent-dim);--line: var(--st-line);--font: var(--st-font);--display: var(--st-display)}.st-anatomy-player{position:relative;width:100%;height:100%;background:var(--st-bg);color:var(--st-text);font-family:var(--st-font);overflow:hidden}.st-anatomy-player *,.st-anatomy-player *:before,.st-anatomy-player *:after{box-sizing:border-box}.st-anatomy-player .canvas-wrap{position:absolute;top:0;right:0;bottom:0;left:0}.st-anatomy-player .top-bar{position:absolute;top:0;left:0;right:0;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.75rem;pointer-events:none}.st-anatomy-player .top-bar-right{display:flex;align-items:center;gap:1rem;pointer-events:auto}.st-anatomy-player .mode-switch{display:inline-flex;border:1px solid var(--st-line);border-radius:4px;overflow:hidden;background:var(--st-panel)}.st-anatomy-player .mode-switch button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--st-muted);font:inherit;font-size:.85rem;letter-spacing:.04em;padding:.4rem .75rem;cursor:pointer}.st-anatomy-player .mode-switch button.active{background:var(--st-accent-dim);color:var(--st-text)}.st-anatomy-player .brand{font-size:.95rem;letter-spacing:.08em;text-transform:uppercase;color:var(--st-muted)}.st-anatomy-player .brand strong{color:var(--st-text);font-weight:600;letter-spacing:.04em;text-transform:none;font-size:1.05rem}.st-anatomy-player .lesson-tag{font-size:.9rem;color:var(--st-muted)}.st-anatomy-player .caption-panel{position:absolute;left:1.75rem;right:1.75rem;bottom:5.75rem;z-index:2;max-width:52rem;padding:1.1rem 1.35rem;background:var(--st-panel);border:1px solid var(--st-line);border-radius:4px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:none}.st-anatomy-player .caption-panel h1{margin:0 0 .45rem;font-family:var(--st-display);font-size:clamp(1.6rem,2.6vw,2.15rem);font-weight:600;letter-spacing:-.02em;color:var(--st-text)}.st-anatomy-player .caption-panel p{margin:0;font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.45;color:var(--st-muted)}.st-anatomy-player .controls{position:absolute;left:1.75rem;right:1.75rem;bottom:1.25rem;z-index:2;display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}.st-anatomy-player .controls button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--st-line);background:var(--st-panel);color:var(--st-text);font:inherit;font-size:.95rem;padding:.55rem .9rem;border-radius:4px;cursor:pointer}.st-anatomy-player .controls button:hover{border-color:var(--st-accent-dim)}.st-anatomy-player .controls button.active{background:var(--st-accent-dim);border-color:var(--st-accent)}.st-anatomy-player .controls button.primary{background:var(--st-accent);border-color:var(--st-accent);color:#0b100e;font-weight:600}.st-anatomy-player .hotkeys{margin-left:auto;font-size:.82rem;color:var(--st-muted);letter-spacing:.02em}.st-anatomy-player .fallback-strip{position:absolute;top:3.25rem;left:1.75rem;z-index:2;font-size:.8rem;color:var(--st-muted);pointer-events:none}.st-anatomy-player .scene-2d{width:100%;height:100%;display:grid;place-items:center;background:var(--st-bg);padding:4.5rem 1.5rem 7.5rem}.st-anatomy-player .scene-2d-svg{width:min(100%,1100px);height:auto;max-height:100%;overflow:visible}html,body,#root{margin:0;width:100%;height:100%;background:var(--st-bg);color:var(--st-text);font-family:var(--st-font);overflow:hidden}.app{position:relative;width:100%;height:100%}