:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#0f1115;--panel:#171a21;--panel-border:#2a2f3a;--text:#e8eaed;--text-dim:#9aa1ac;--accent:#6ee7ff;--accent-dim:#2a5a66;--danger:#ff6e6e;--radius:10px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);margin:0;padding:0}#app{flex-direction:column;min-height:100vh;display:flex}.app-header{border-bottom:1px solid var(--panel-border);background:var(--panel);justify-content:space-between;align-items:center;gap:1rem;padding:.9rem 1.4rem;display:flex}.app-header h1{letter-spacing:.01em;margin:0;font-size:1.15rem;font-weight:600}.app-header .subtitle{color:var(--text-dim);margin-top:.15rem;font-size:.8rem}.mode-tabs{background:var(--bg);border:1px solid var(--panel-border);border-radius:999px;gap:.25rem;padding:.2rem;display:flex}.mode-tabs button{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:999px;padding:.4rem .9rem;font-size:.85rem;transition:background .15s,color .15s}.mode-tabs button.active{background:var(--accent-dim);color:var(--accent)}.app-body{flex:1;grid-template-columns:280px 1fr;gap:1rem;min-height:0;padding:1rem 1.4rem 1.4rem;display:grid}@media (width<=760px){.app-header{flex-wrap:wrap}.app-body{grid-template-columns:1fr}}.placeholder{color:var(--text-dim);border:1px dashed var(--panel-border);border-radius:var(--radius);text-align:center;padding:2rem;font-size:.9rem}.panel{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);padding:1rem}#viz-panel{min-height:0;overflow:auto}.is-hidden{display:none!important}.lesson-panel{margin:1rem 1.4rem 0}.lesson-progress{color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.4rem;font-size:.75rem}.lesson-title{margin:0 0 .4rem;font-size:1.05rem}.lesson-body{color:var(--text-dim);max-width:70ch;margin:0 0 1rem;font-size:.88rem;line-height:1.5}.lesson-nav{gap:.6rem;display:flex}.lesson-nav .btn{flex:none;padding:.5rem 1.2rem}.lesson-nav .btn.is-highlighted{animation:2s ease-in-out infinite highlight-glow}.controls-form{flex-direction:column;gap:.9rem;display:flex}.control-field{border-radius:8px;flex-direction:column;gap:.35rem;margin:-.4rem;padding:.4rem;transition:background .15s,box-shadow .15s;display:flex}.control-label{color:var(--text-dim);font-size:.78rem}.control-field input,.control-field select{background:var(--bg);border:1px solid var(--panel-border);color:var(--text);border-radius:6px;padding:.4rem .5rem;font-size:.9rem}.control-field input:focus,.control-field select:focus{border-color:var(--accent);outline:none}.control-actions{flex-flow:wrap;gap:.5rem;margin-top:.3rem}.control-button-field{margin:-.4rem}.btn{border:1px solid var(--panel-border);background:var(--bg);min-width:84px;color:var(--text);cursor:pointer;white-space:nowrap;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:.35rem;padding:.5rem .8rem;font-size:.85rem;transition:filter .15s;display:inline-flex}.btn-icon{flex-shrink:0;width:14px;height:14px;display:inline-flex}.btn-icon svg{width:100%;height:100%}.btn:hover{filter:brightness(1.2)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.btn-danger{color:var(--danger)}.control-field.is-hidden{display:none}.control-field.is-disabled{opacity:.45}.control-field.is-highlighted{background:var(--accent-dim);box-shadow:0 0 0 1px var(--accent);animation:2s ease-in-out infinite highlight-glow}@keyframes highlight-glow{0%,to{box-shadow:0 0 0 1px var(--accent)}50%{box-shadow:0 0 12px 3px var(--accent)}}.segmented-group{background:var(--bg);border:1px solid var(--panel-border);border-radius:999px;gap:.25rem;padding:.2rem;display:flex}.segmented-option{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:999px;flex:1;padding:.4rem .6rem;font-size:.85rem;transition:background .15s,color .15s}.segmented-option:disabled{opacity:.5;cursor:not-allowed}.segmented-option.active{background:var(--accent-dim);color:var(--accent)}.track-card-row{align-items:center;gap:.6rem;display:flex}.track-card-slider{accent-color:var(--accent);flex:1}.track-card-value{text-align:right;font-variant-numeric:tabular-nums;min-width:2.2em;font-size:.85rem}.btn-play{border-radius:999px;flex:none;width:2rem;min-width:2rem;height:2rem;padding:0}.btn-play svg{width:12px;height:12px}.btn-play.is-playing{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.viz-header h2{margin:0 0 .2rem;font-size:1rem}.viz-desc{color:var(--text-dim);max-width:60ch;margin:0 0 1rem;font-size:.82rem}.viz-note{color:var(--text-dim);margin-bottom:.75rem;font-size:.8rem}.column-history-trials{flex-direction:column;gap:1.25rem;padding-bottom:.5rem;display:flex;overflow-x:auto}.deck-grid-wrap{display:inline-block}.deck-grid-stage{line-height:0;display:inline-block;position:relative}.anim-overlay{pointer-events:none;position:absolute;inset:0}.anim-card{will-change:transform;border-radius:1px;position:absolute;top:0;left:0}.grid-icon-row{position:absolute;top:0;left:0}.grid-icon-cell{color:var(--text-dim);justify-content:center;align-items:center;display:flex;position:absolute;top:2px}.grid-icon-cell svg{width:100%;height:100%}.follow-card-scroll{padding-bottom:.5rem;overflow-x:auto}
