:root{color-scheme:dark;--panel:rgba(7,11,20,0.78);--panel-border:rgba(173,206,255,0.16);--text:#ebf3ff;--muted:#9eb3d2;--accent:#77d4ff;--accent-2:#ffd06e}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;font-family:"Avenir Next","Segoe UI",sans-serif;background:transparent;color:var(--text)}body{position:relative}.bookshelf-loader{position:fixed;inset:0;z-index:40;display:grid;place-items:center;background:rgb(241,230,210);opacity:1;visibility:visible;transition:opacity 260ms ease,visibility 260ms ease}.bookshelf-loader.is-hidden{opacity:0;visibility:hidden;pointer-events:none}.bookshelf-loader__logo{position:relative;width:min(196px,29.4vw);aspect-ratio:1 / 1}.bookshelf-loader__lottie,.bookshelf-loader__lottie svg{width:100%;height:100%;display:block}.bookshelf-loader__lottie{opacity:0.96}body.modal-open{overflow:hidden}canvas{display:block;width:100vw;height:100vh;touch-action:none}.panel{position:fixed;top:20px;right:20px;width:min(360px,calc(100vw - 32px));max-height:calc(100vh - 40px);overflow-y:auto;overflow-x:hidden;padding:18px;border:1px solid var(--panel-border);border-radius:20px;background:var(--panel);backdrop-filter:blur(18px);box-shadow:0 18px 80px rgba(0,0,0,0.38);overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:rgba(119,212,255,0.55) rgba(255,255,255,0.06)}.panel::-webkit-scrollbar{width:10px}.panel::-webkit-scrollbar-track{background:rgba(255,255,255,0.05);border-radius:999px}.panel::-webkit-scrollbar-thumb{background:rgba(119,212,255,0.5);border-radius:999px}.panel__header h1,.panel__header p{margin:0}.eyebrow{margin-bottom:8px;font-size:12px;letter-spacing:0.2em;text-transform:uppercase;color:var(--accent)}.panel__header h1{font-size:32px;line-height:1}.panel__copy{margin-top:10px;color:var(--muted);line-height:1.45}.panel__copy--tight{margin-top:0;font-size:13px}.panel__subhead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;color:var(--muted)}.control-group{margin-top:18px;padding-top:18px;border-top:1px solid rgba(173,206,255,0.1)}.control,.range{display:grid;gap:8px;margin-bottom:14px}.control{grid-template-columns:1fr auto;align-items:center}.range span{display:flex;justify-content:space-between;gap:16px;color:var(--muted)}input[type="range"]{width:100%;accent-color:var(--accent)}select{width:100%;border:1px solid rgba(173,206,255,0.14);border-radius:12px;padding:12px 14px;background:rgba(10,16,30,0.95);color:var(--text)}input[type="checkbox"]{width:18px;height:18px;accent-color:var(--accent-2)}input[type="file"]{max-width:170px;color:var(--muted)}input[type="color"]{width:100%;height:42px;border:0;border-radius:12px;background:transparent;cursor:pointer}.button-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}button{border:0;border-radius:999px;padding:12px 14px;color:#09111f;background:linear-gradient(135deg,var(--accent),#d2f2ff);font-weight:700;cursor:pointer}button:hover{filter:brightness(1.05)}.button--ghost{background:rgba(119,212,255,0.12);color:var(--text);border:1px solid rgba(173,206,255,0.16)}#webflowHelp{width:100%;margin-top:6px}.modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center}.modal[hidden]{display:none}.modal__backdrop{position:absolute;inset:0;background:rgba(2,5,12,0.72);backdrop-filter:blur(8px)}.modal__dialog{position:relative;z-index:1;width:min(760px,calc(100vw - 32px));max-height:min(88vh,840px);overflow:auto;padding:24px;border-radius:24px;border:1px solid rgba(173,206,255,0.16);background:radial-gradient(circle at top left,rgba(119,212,255,0.12),transparent 35%),rgba(7,11,20,0.96);box-shadow:0 30px 120px rgba(0,0,0,0.6)}.modal__header{display:flex;justify-content:space-between;align-items:start;gap:16px;margin-bottom:18px}.modal__header h2,.modal__card h3{margin:0}.modal__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.modal__card{padding:16px;border-radius:18px;border:1px solid rgba(173,206,255,0.12);background:rgba(255,255,255,0.04)}.modal__card h3{font-size:16px;margin-bottom:10px}.modal__card p{margin:0 0 10px;color:var(--muted);line-height:1.45}.modal__hint{font-size:13px}.modal__code{margin-top:16px;padding:14px 16px;border-radius:16px;border:1px solid rgba(173,206,255,0.12);background:rgba(255,255,255,0.03)}.modal__code p{margin:0 0 8px;color:var(--muted)}.modal__code code{display:block;padding:12px;border-radius:12px;background:rgba(10,16,30,0.96);color:#d7f0ff;overflow-x:auto}.book-lean-controls{display:grid;gap:10px;max-height:260px;overflow-y:auto;padding-right:4px}.book-lean-row{display:grid;gap:6px;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,0.04)}.book-lean-row span{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}.book-axis-row{display:grid;gap:6px}.hint{position:fixed;left:20px;bottom:20px;padding:10px 14px;border-radius:999px;background:rgba(7,11,20,0.55);border:1px solid rgba(173,206,255,0.12);color:var(--muted);backdrop-filter:blur(14px)}@media (max-width:720px){.panel{left:16px;right:16px;top:16px;width:auto;max-height:52vh}.button-row{grid-template-columns:1fr}.modal__grid{grid-template-columns:1fr}.hint{left:16px;bottom:16px;right:16px;text-align:center}}