.dn-app[data-astro-cid-rzuawlbb]{--nback-blue: #315f7d;--nback-blue-soft: #dce9ee;--nback-green: #4a6b3a;--nback-green-soft: #e1ead9;--nback-ink: #26231f}[data-astro-cid-rzuawlbb][hidden]{display:none!important}.sr-only[data-astro-cid-rzuawlbb]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-head[data-astro-cid-rzuawlbb]{display:flex;justify-content:space-between;align-items:end;gap:var(--space-4);padding-bottom:var(--space-5);border-bottom:1px solid var(--color-border)}.eyebrow[data-astro-cid-rzuawlbb]{margin:0 0 var(--space-2);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--color-accent-dark)}h1[data-astro-cid-rzuawlbb],h2[data-astro-cid-rzuawlbb],h3[data-astro-cid-rzuawlbb],p[data-astro-cid-rzuawlbb]{margin-top:0}h1[data-astro-cid-rzuawlbb]{margin-bottom:0;font-family:var(--font-serif);font-size:clamp(2.25rem,7vw,4.75rem);line-height:.95;letter-spacing:0}h2[data-astro-cid-rzuawlbb]{margin-bottom:var(--space-3);font-family:var(--font-serif);font-size:var(--text-xl);line-height:1.1;letter-spacing:0}h3[data-astro-cid-rzuawlbb]{margin-bottom:var(--space-2);font-size:var(--text-base);letter-spacing:0}.head-stats[data-astro-cid-rzuawlbb]{display:flex;flex-wrap:wrap;justify-content:end;gap:var(--space-2);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-muted)}.head-actions[data-astro-cid-rzuawlbb]{display:flex;align-items:center;justify-content:end;gap:var(--space-2)}.head-stats[data-astro-cid-rzuawlbb] span[data-astro-cid-rzuawlbb]{min-height:32px;display:inline-flex;align-items:center;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:4px 8px;background:var(--color-surface)}.app-layout[data-astro-cid-rzuawlbb]{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--space-5);padding-top:var(--space-5)}@media(min-width:980px){.app-layout[data-astro-cid-rzuawlbb]{grid-template-columns:minmax(0,1fr) minmax(19rem,24rem);align-items:start}}.dn-app[data-astro-cid-rzuawlbb][data-view-state=play] .app-layout[data-astro-cid-rzuawlbb]{max-width:46rem;margin-inline:auto;grid-template-columns:minmax(0,1fr)}.dn-app[data-astro-cid-rzuawlbb][data-view-state=play] .control-panel[data-astro-cid-rzuawlbb]{display:none}.board-panel[data-astro-cid-rzuawlbb],.control-panel[data-astro-cid-rzuawlbb]{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md)}.board-panel[data-astro-cid-rzuawlbb],.control-panel[data-astro-cid-rzuawlbb]{padding:var(--space-4)}@media(min-width:640px){.board-panel[data-astro-cid-rzuawlbb],.control-panel[data-astro-cid-rzuawlbb]{padding:var(--space-5)}}.board-toolbar[data-astro-cid-rzuawlbb]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:var(--space-2);align-items:stretch}.toolbar-stat[data-astro-cid-rzuawlbb]{min-height:52px;display:flex;flex-direction:column;justify-content:center;gap:2px;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:8px 10px;background:var(--color-bg)}.toolbar-stat[data-astro-cid-rzuawlbb] span[data-astro-cid-rzuawlbb],.summary-grid[data-astro-cid-rzuawlbb] span[data-astro-cid-rzuawlbb]{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-muted)}.toolbar-stat[data-astro-cid-rzuawlbb] strong[data-astro-cid-rzuawlbb],.summary-grid[data-astro-cid-rzuawlbb] strong[data-astro-cid-rzuawlbb]{font-size:var(--text-base);line-height:1.1}.icon-button[data-astro-cid-rzuawlbb]{width:52px;min-height:52px;display:inline-grid;place-items:center;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);color:var(--color-text);font-family:var(--font-mono);font-weight:700;cursor:pointer}.head-options-button[data-astro-cid-rzuawlbb]{width:42px;min-height:42px}.icon-button[data-astro-cid-rzuawlbb] svg[data-astro-cid-rzuawlbb]{width:22px;height:22px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.block-progress[data-astro-cid-rzuawlbb]{width:100%;height:10px;margin-top:var(--space-3);accent-color:var(--color-accent)}.stage[data-astro-cid-rzuawlbb]{position:relative;margin-top:var(--space-3)}.grid[data-astro-cid-rzuawlbb]{width:min(100%,33rem);aspect-ratio:1;margin-inline:auto;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:clamp(8px,2vw,14px)}.grid-cell[data-astro-cid-rzuawlbb]{position:relative;display:grid;place-items:center;min-width:0;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);overflow:hidden;transition:background-color .12s ease,border-color .12s ease}.grid-cell[data-astro-cid-rzuawlbb]:after{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--nback-green);opacity:0;transform:scale(.92);transition:opacity .12s ease,transform .12s ease}.grid-cell[data-astro-cid-rzuawlbb].is-active{border-color:var(--nback-green);background:var(--nback-green-soft)}.grid-cell[data-astro-cid-rzuawlbb].is-active:after{opacity:1;transform:scale(1);animation:cue-fill .5s ease-out}.fixation[data-astro-cid-rzuawlbb]{z-index:1;font-family:var(--font-mono);font-size:var(--text-2xl);color:var(--color-text-muted)}.fixation[data-astro-cid-rzuawlbb]:after{display:none}.countdown[data-astro-cid-rzuawlbb],.pause-overlay[data-astro-cid-rzuawlbb]{position:absolute;inset:0;z-index:2;display:grid;place-items:center;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fffcf5f0}.countdown[data-astro-cid-rzuawlbb]{font-family:var(--font-serif);font-size:clamp(4rem,18vw,9rem);color:var(--color-accent-dark)}.pause-overlay[data-astro-cid-rzuawlbb]{align-content:center;gap:var(--space-4);padding:var(--space-4);text-align:center}.pause-overlay[data-astro-cid-rzuawlbb] p[data-astro-cid-rzuawlbb]{margin:0;font-family:var(--font-serif);font-size:var(--text-xl)}.response-controls[data-astro-cid-rzuawlbb]{display:grid;grid-template-columns:1fr;gap:var(--space-3);margin-top:var(--space-4)}@media(min-width:560px){.response-controls[data-astro-cid-rzuawlbb]{grid-template-columns:repeat(2,minmax(0,1fr))}}.response-button[data-astro-cid-rzuawlbb],.primary-button[data-astro-cid-rzuawlbb],.secondary-button[data-astro-cid-rzuawlbb],.segmented[data-astro-cid-rzuawlbb] button[data-astro-cid-rzuawlbb],.text-button[data-astro-cid-rzuawlbb]{min-height:48px;border-radius:var(--radius-sm);font:inherit;cursor:pointer}.response-button[data-astro-cid-rzuawlbb]{width:100%;min-height:64px;display:flex;justify-content:space-between;align-items:center;gap:var(--space-3);border:2px solid var(--color-border);background:var(--color-bg);color:var(--color-text);font-weight:700}.response-button[data-astro-cid-rzuawlbb].visual{border-color:color-mix(in srgb,var(--nback-green) 38%,var(--color-border))}.response-button[data-astro-cid-rzuawlbb].audio{border-color:color-mix(in srgb,var(--nback-blue) 38%,var(--color-border))}.response-button[data-astro-cid-rzuawlbb].is-pressed{color:var(--color-surface)}.response-button[data-astro-cid-rzuawlbb].visual.is-pressed{background:var(--nback-green);border-color:var(--nback-green)}.response-button[data-astro-cid-rzuawlbb].audio.is-pressed{background:var(--nback-blue);border-color:var(--nback-blue)}.response-button[data-astro-cid-rzuawlbb]:disabled{cursor:not-allowed;opacity:.58}kbd[data-astro-cid-rzuawlbb]{min-width:2rem;min-height:2rem;display:inline-grid;place-items:center;border:1px solid currentColor;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:var(--text-xs)}.status-message[data-astro-cid-rzuawlbb],.muted[data-astro-cid-rzuawlbb]{color:var(--color-text-muted)}.panel-section[data-astro-cid-rzuawlbb],.settings-panel[data-astro-cid-rzuawlbb]{padding-block:var(--space-4);border-bottom:1px solid var(--color-border)}.view-section[data-astro-cid-rzuawlbb] .panel-section[data-astro-cid-rzuawlbb]:first-child,.settings-panel[data-astro-cid-rzuawlbb]{padding-top:0}.panel-section[data-astro-cid-rzuawlbb]:last-child,.settings-panel[data-astro-cid-rzuawlbb]{border-bottom:0}.options-overlay[data-astro-cid-rzuawlbb]{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:var(--space-4)}.options-scrim[data-astro-cid-rzuawlbb]{position:absolute;inset:0;min-height:0;border:0;border-radius:0;background:#1f1d1a6b}.options-screen[data-astro-cid-rzuawlbb]{position:relative;z-index:1;width:min(100%,62rem);max-height:min(46rem,calc(100vh - 2rem));overflow:auto;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);padding:var(--space-4)}@media(min-width:640px){.options-screen[data-astro-cid-rzuawlbb]{padding:var(--space-5)}}.options-head[data-astro-cid-rzuawlbb]{display:flex;justify-content:space-between;align-items:start;gap:var(--space-4);margin-bottom:var(--space-5);padding-bottom:var(--space-4);border-bottom:1px solid var(--color-border)}.options-head[data-astro-cid-rzuawlbb] h2[data-astro-cid-rzuawlbb]{margin-bottom:0}.options-grid[data-astro-cid-rzuawlbb]{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--space-5)}@media(min-width:860px){.options-grid[data-astro-cid-rzuawlbb]{grid-template-columns:minmax(16rem,.7fr) minmax(0,1.3fr)}}.options-screen[data-astro-cid-rzuawlbb] .settings-panel[data-astro-cid-rzuawlbb],.progress-panel[data-astro-cid-rzuawlbb] .panel-section[data-astro-cid-rzuawlbb]{padding-block:0;border-bottom:0}.progress-panel[data-astro-cid-rzuawlbb]{min-width:0}.status-message[data-astro-cid-rzuawlbb]{min-height:1.5em;margin:var(--space-3) 0 0;font-size:var(--text-sm)}.button-stack[data-astro-cid-rzuawlbb],.button-row[data-astro-cid-rzuawlbb]{display:flex;flex-wrap:wrap;gap:var(--space-2)}.button-stack[data-astro-cid-rzuawlbb]{flex-direction:column}.primary-button[data-astro-cid-rzuawlbb],.secondary-button[data-astro-cid-rzuawlbb],.segmented[data-astro-cid-rzuawlbb] button[data-astro-cid-rzuawlbb],.text-button[data-astro-cid-rzuawlbb]{border:1px solid var(--color-border);padding:10px 14px}.primary-button[data-astro-cid-rzuawlbb]{background:var(--color-text);color:var(--color-surface);border-color:var(--color-text)}.secondary-button[data-astro-cid-rzuawlbb],.segmented[data-astro-cid-rzuawlbb] button[data-astro-cid-rzuawlbb]{background:var(--color-bg);color:var(--color-text)}.text-button[data-astro-cid-rzuawlbb]{border-color:transparent;background:transparent;color:var(--color-accent-dark);padding-inline:0}.segmented[data-astro-cid-rzuawlbb]{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;border:1px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden;background:var(--color-border)}.segmented[data-astro-cid-rzuawlbb] button[data-astro-cid-rzuawlbb]{border:0;border-radius:0;background:var(--color-surface);font-size:var(--text-sm)}.history-list[data-astro-cid-rzuawlbb]{min-height:1.5rem;margin:0;padding-left:var(--space-4);color:var(--color-text-muted);font-size:var(--text-sm)}.tutorial-step[data-astro-cid-rzuawlbb]{min-height:4rem;border-left:3px solid var(--nback-blue);padding:var(--space-3);background:var(--nback-blue-soft)}.result-strip[data-astro-cid-rzuawlbb],.summary-grid[data-astro-cid-rzuawlbb]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-2)}.result-strip[data-astro-cid-rzuawlbb] span[data-astro-cid-rzuawlbb],.summary-grid[data-astro-cid-rzuawlbb] div[data-astro-cid-rzuawlbb]{min-height:54px;display:flex;flex-direction:column;justify-content:center;gap:2px;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:8px;background:var(--color-bg)}.result-strip[data-astro-cid-rzuawlbb] span[data-astro-cid-rzuawlbb]{font-family:var(--font-mono);font-size:var(--text-sm)}.metric-grid[data-astro-cid-rzuawlbb]{display:grid;grid-template-columns:1fr;gap:var(--space-3);margin-bottom:var(--space-4)}@media(min-width:560px){.metric-grid[data-astro-cid-rzuawlbb]{grid-template-columns:repeat(2,minmax(0,1fr))}}.metric-card[data-astro-cid-rzuawlbb]{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:var(--space-3);background:var(--color-bg)}.metric-card[data-astro-cid-rzuawlbb].visual{border-color:color-mix(in srgb,var(--nback-green) 40%,var(--color-border))}.metric-card[data-astro-cid-rzuawlbb].audio{border-color:color-mix(in srgb,var(--nback-blue) 40%,var(--color-border))}.metric-card[data-astro-cid-rzuawlbb] strong[data-astro-cid-rzuawlbb]{display:block;margin-bottom:var(--space-2);font-size:var(--text-xl)}dl[data-astro-cid-rzuawlbb]{display:grid;gap:var(--space-1);margin:0}dl[data-astro-cid-rzuawlbb] div[data-astro-cid-rzuawlbb]{display:flex;justify-content:space-between;gap:var(--space-2)}dt[data-astro-cid-rzuawlbb]{color:var(--color-text-muted)}dd[data-astro-cid-rzuawlbb]{margin:0;font-family:var(--font-mono)}.settings-panel[data-astro-cid-rzuawlbb] label[data-astro-cid-rzuawlbb]{display:grid;gap:6px;margin-top:var(--space-3);font-size:var(--text-sm)}.settings-panel[data-astro-cid-rzuawlbb] label[data-astro-cid-rzuawlbb]>span[data-astro-cid-rzuawlbb]:first-child{color:var(--color-text-muted)}.check-row[data-astro-cid-rzuawlbb]{grid-template-columns:auto 1fr;align-items:center}input[data-astro-cid-rzuawlbb],select[data-astro-cid-rzuawlbb]{width:100%;min-height:42px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);color:var(--color-text);font:inherit;padding:8px 10px}input[data-astro-cid-rzuawlbb][type=checkbox]{width:20px;min-height:20px;accent-color:var(--color-accent)}input[data-astro-cid-rzuawlbb][type=range]{padding-inline:0;accent-color:var(--color-accent)}.table-wrap[data-astro-cid-rzuawlbb]{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-sm)}table[data-astro-cid-rzuawlbb]{width:100%;border-collapse:collapse;font-size:var(--text-sm)}th[data-astro-cid-rzuawlbb],td[data-astro-cid-rzuawlbb]{padding:8px 10px;border-bottom:1px solid var(--color-border);text-align:left;white-space:nowrap}th[data-astro-cid-rzuawlbb]{color:var(--color-text-muted);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:500}tr[data-astro-cid-rzuawlbb]:last-child td[data-astro-cid-rzuawlbb]{border-bottom:0}button[data-astro-cid-rzuawlbb]:focus-visible,input[data-astro-cid-rzuawlbb]:focus-visible,select[data-astro-cid-rzuawlbb]:focus-visible{outline:3px solid color-mix(in srgb,var(--nback-blue) 55%,white);outline-offset:2px}@keyframes cue-fill{0%{opacity:.58;transform:scale(.86)}45%{opacity:1;transform:scale(1)}to{opacity:1;transform:scale(1)}}@media(max-width:640px){.app-head[data-astro-cid-rzuawlbb]{align-items:start;flex-direction:column}.head-stats[data-astro-cid-rzuawlbb]{justify-content:start}.head-actions[data-astro-cid-rzuawlbb]{width:100%;justify-content:space-between}.board-toolbar[data-astro-cid-rzuawlbb]{grid-template-columns:repeat(2,minmax(0,1fr))}.board-toolbar[data-astro-cid-rzuawlbb] .icon-button[data-astro-cid-rzuawlbb]{width:100%}.result-strip[data-astro-cid-rzuawlbb],.summary-grid[data-astro-cid-rzuawlbb]{grid-template-columns:1fr}}