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.lesson-card-track,html[data-theme=light] .lesson-card-meta{color:#6a5648}html[data-theme=light] .lesson-card-tags span{color:#3f2e22;background:#f3e6d8}html[data-theme=light] .lesson-catalog-code{background:linear-gradient(#ff8c3c14,#0000 42%),#17120f}html[data-theme=light] .platform-search{color:#16100c;background:#fff;border-color:#78461e38}html[data-theme=light] .platform-search:focus{border-color:#c85a148c;box-shadow:0 0 0 3px #ff7a1a2e}html[data-theme=light] .platform-code-pane{background:linear-gradient(#ff8c3c0f,#0000 40%),#17120f;border-color:#b45a1459;box-shadow:0 18px 40px #28140847,inset 0 1px #ffffff0a}html[data-theme=light] .platform-code-pane.is-back{background:linear-gradient(#ff8c3c0a,#0000 40%),#14100e}html[data-theme=light] .platform-code-pane.is-front{border-color:#c8641e73;box-shadow:0 20px 48px #28140852,0 0 24px #ff7a1a24,inset 0 1px #ffffff0d}html[data-theme=light] .platform-code-pane pre{color:#f5e6d3}html[data-theme=light] .platform-modal 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.project-calc-shell{background:#fff;border:1px solid #e5e7eb;box-shadow:0 1px 2px #0f172a0a,0 12px 28px #0f172a0f}html[data-theme=light] .project-calc-screen{background:#0f172a;border-color:#0000}html[data-theme=light] .project-calc-expr{color:#94a3b8}html[data-theme=light] .project-calc-display{color:#f8fafc}html[data-theme=light] .project-calc-key{color:#0f172a;background:#fff;box-shadow:inset 0 0 0 1px #e5e7eb}html[data-theme=light] .project-calc-key:hover:not(:disabled){background:#f8fafc}html[data-theme=light] .project-calc-key.is-fn,html[data-theme=light] .project-calc-key.is-op{color:#334155;box-shadow:none;background:#f1f5f9}html[data-theme=light] .project-calc-key.is-fn:hover:not(:disabled),html[data-theme=light] .project-calc-key.is-op:hover:not(:disabled){background:#e2e8f0}html[data-theme=light] .project-calc-key.is-op.is-active,html[data-theme=light] .project-calc-key.is-eq{color:#fff;box-shadow:none;background:#ea580c}html[data-theme=light] .project-calc-key.is-eq:hover:not(:disabled){background:#f97316}html[data-theme=light] .project-calc-hint{color:#64748b}html[data-theme=light] .project-calc-side-card,html[data-theme=light] .project-calc-side .project-product-run{box-shadow:none;background:#fff;border:1px solid #e5e7eb}html[data-theme=light] .project-calc-side-kicker{color:#ea580c}html[data-theme=light] .project-calc-side-card strong{color:#0f172a}html[data-theme=light] .project-calc-side-card p,html[data-theme=light] .project-calc-side .project-product-hint,html[data-theme=light] .project-calc-side .project-product-hint code,html[data-theme=light] .project-calc-side .project-product-inputs span{color:#64748b}html[data-theme=light] .project-calc-side .project-product-inputs input{color:#0f172a;background:#fff;border:1px solid #e5e7eb}html[data-theme=light] .project-calc-side .project-product-inputs input:focus{background:#fff;border-color:#cbd5e1;box-shadow:0 0 0 3px #0f172a0f}html[data-theme=light] .project-product-stdin span{color:#64748b}html[data-theme=light] .project-product-stdin textarea{color:#0f172a;background:#fff;border-color:#e5e7eb}html[data-theme=light] .project-product-stdin textarea:focus{border-color:#cbd5e1;box-shadow:0 0 0 3px #0f172a0f}html[data-theme=light] .project-calc-side .project-product-run-btn,html[data-theme=light] .project-product-run-btn,html[data-theme=light] .project-calc-side .project-product-run .platform-btn,html[data-theme=light] .project-product-run .platform-btn{color:#fff;background:#ea580c;border-color:#ea580c}html[data-theme=light] .project-calc-side .project-product-run-btn:hover:not(:disabled),html[data-theme=light] .project-product-run-btn:hover:not(:disabled),html[data-theme=light] .project-calc-side .project-product-run .platform-btn:hover:not(:disabled),html[data-theme=light] .project-product-run .platform-btn:hover:not(:disabled){color:#fff;background:#f97316;border-color:#f97316}html[data-theme=light] .project-calc-side .project-product-console{color:#0f172a;background:#f8fafc;border-color:#e5e7eb}@container product-main (max-width:680px){.project-calc-stage{grid-template-columns:1fr;justify-content:center;justify-items:center;min-height:0;padding:22px 18px}.project-calc-hero,.project-calc-side{width:min(100%,400px)}.project-calc-hero .project-demo.project-calc-app,.project-calc-app{max-width:400px}}.project-product-run{border-top:1px solid #ffffff0f;margin-top:24px;padding-top:20px}.project-product-run h4{color:#f5f5f7;letter-spacing:-.01em;margin:0;font-size:.95rem;font-weight:750}.project-product-hint{color:#8a8279;margin:6px 0 14px;font-size:.84rem;line-height:1.45}.project-product-hint code{color:#c4b5a5;font-size:.9em}.project-product-inputs{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:12px;display:grid}.project-product-inputs label{flex-direction:column;gap:5px;min-width:0;display:flex}.project-product-inputs span{color:#8a8279;text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:700}.project-product-inputs input{box-sizing:border-box;color:#f5f5f7;width:100%;min-height:40px;font:inherit;font-variant-numeric:tabular-nums;text-align:center;background:#00000059;border:1px solid #ffffff1a;border-radius:10px;padding:8px 10px;font-size:.95rem}.project-product-inputs input:focus{background:#00000073;border-color:#ffa03c73;outline:none}.project-product-stdin{flex-direction:column;gap:6px;margin-bottom:12px;display:flex}.project-product-stdin span{color:#8a8279;text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-weight:700}.project-product-stdin textarea{box-sizing:border-box;color:#f5f5f7;resize:vertical;background:#00000059;border:1px solid #ffffff1f;border-radius:12px;width:100%;min-height:120px;padding:10px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem;line-height:1.45}.project-product-stdin textarea:focus{border-color:#ffa03c73;outline:none}.project-product-run-btn,.project-product-run .platform-btn{color:#fff;width:100%;min-height:42px;font:inherit;box-shadow:none;cursor:pointer;background:#ea580c;border:1px solid #ea580c;border-radius:10px;justify-content:center;align-self:stretch;align-items:center;margin-top:0;padding:0 16px;font-size:.9rem;font-weight:700;transition:background .12s,border-color .12s;display:inline-flex}.project-product-run-btn:hover:not(:disabled),.project-product-run .platform-btn:hover:not(:disabled){color:#fff;filter:none;box-shadow:none;background:#f97316;border-color:#f97316;transform:none}.project-product-run-btn:disabled,.project-product-run .platform-btn:disabled{color:#6b6560;box-shadow:none;filter:none;cursor:default;background:#ffffff0f;border-color:#ffffff1a}.project-product-console{color:#e7e5e4;white-space:pre-wrap;background:#0006;border:1px solid #ffffff14;border-radius:10px;margin-top:12px;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88rem;line-height:1.45}.project-product-console.is-bad{color:#fda4a4;border-color:#f8717147}html[data-theme=light] .project-product-inputs input{color:#0f172a;background:#fff;border-color:#e5e7eb}html[data-theme=light] .project-product-run .platform-btn{color:#fff;background:#ea580c;border-color:#ea580c}html[data-theme=light] .project-product-run .platform-btn:hover:not(:disabled){color:#fff;background:#f97316;border-color:#f97316}html[data-theme=light] .project-product-console{color:#0f172a;background:#f8fafc;border-color:#e5e7eb}html[data-theme=light] .project-lobby-intro h1,html[data-theme=light] .project-lobby-card strong,html[data-theme=light] .project-product-head h3,html[data-theme=light] .project-demo h4,html[data-theme=light] .project-product-run h4,html[data-theme=light] .project-demo-out,html[data-theme=light] .project-demo-stats{color:#1a120c}html[data-theme=light] .project-demo,html[data-theme=light] .project-demo-row input,html[data-theme=light] .project-demo-row select,html[data-theme=light] .project-product-inputs input{color:#1a120c;background:#fff;border-color:#28180c1f}@media (max-width:900px){.project-lobby-grid{grid-template-columns:1fr}}