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(backdrop-filter:blur(1px))){.hraness-marketing-header:where([data-hraness-theme=paper]),:where([data-hraness-theme=paper]) .hraness-marketing-header{--hraness-marketing-header-background:color-mix(in srgb,var(--hraness-marketing-background) 82%,transparent);--hraness-marketing-header-backdrop:blur(14px) saturate(1.4);-webkit-backdrop-filter:var(--hraness-marketing-header-backdrop);backdrop-filter:var(--hraness-marketing-header-backdrop)}}@media (forced-colors:active),(prefers-reduced-transparency:reduce){.hraness-marketing-header:where([data-hraness-theme=paper]),:where([data-hraness-theme=paper]) .hraness-marketing-header{--hraness-marketing-header-background:var(--hraness-marketing-background);--hraness-marketing-header-backdrop:none}}}:root[data-hraness-theme=paper]:where(:not([data-palette]),[data-palette=paper]),[data-hraness-theme=paper]:where(:not([data-palette]),[data-palette=paper]){--background:light-dark(#f8f7f4,#12100f);--foreground:light-dark(#1c1917,#f5f2ed);--muted:light-dark(#6c665f,#aaa29a);--faint:light-dark(#6c665f,#aaa29a);--grid:light-dark(#dfdcd6,#302b27);--line:light-dark(#b9b3ab,#514a44);--control-border:light-dark(#8a8177,#827a72);--surface:light-dark(#fffefa,#1d1a18);--surface-raised:light-dark(#fffefa,#211d1a);--surface-hover:light-dark(#ebe8e3,#292522);--card:light-dark(#fffefa,#1d1a18);--card-foreground:light-dark(#1c1917,#f5f2ed);--popover:light-dark(#fffefa,#211d1a);--popover-foreground:light-dark(#1c1917,#f5f2ed);--primary:light-dark(#1e5ae1,#8fb0ff);--primary-foreground:light-dark(#f8f7f4,#12100f);--primary-soft:light-dark(#dee5f3,#21232c);--secondary:light-dark(#ebe8e3,#292522);--secondary-foreground:light-dark(#1c1917,#f5f2ed);--accent:light-dark(#dee5f3,#21232c);--accent-foreground:light-dark(#1c1917,#f5f2ed);--focus:light-dark(#1e5ae1,#8fb0ff);--scrim:light-dark(#00000070,#000000b8);--disabled:light-dark(#fffefa,#211d1a);--disabled-foreground:light-dark(#6c665f,#aaa29a);--inverse:light-dark(#1c1917,#f5f2ed);--inverse-foreground:light-dark(#f8f7f4,#12100f);--danger:light-dark(#b23c34,#ef8c82);--danger-foreground:light-dark(#f8f7f4,#12100f);--danger-soft:light-dark(#f0e1dd,#2d1f1d);--warning:light-dark(#975600,#efae55);--warning-foreground:light-dark(#f8f7f4,#12100f);--warning-soft:light-dark(#eee5d7,#2d2317);--success:light-dark(#227445,#5fc98b);--success-foreground:light-dark(#f8f7f4,#12100f);--success-soft:light-dark(#dfe9e0,#1b261e);--info:light-dark(#1e5ae1,#8fb0ff);--info-foreground:light-dark(#f8f7f4,#12100f);--info-soft:light-dark(#dee5f3,#21232c);--chart1:light-dark(#a24a64,#db91aa);--chart2:light-dark(#227445,#5fc98b);--chart3:light-dark(#1e5ae1,#8fb0ff);--chart4:light-dark(#975600,#efae55);--chart5:light-dark(#7858a3,#b7a0dc);--ui-background:var(--background);--ui-foreground:var(--foreground);--ui-card:var(--card);--ui-card-foreground:var(--card-foreground);--ui-popover:var(--popover);--ui-popover-foreground:var(--popover-foreground);--ui-primary:var(--primary);--ui-primary-foreground:var(--primary-foreground);--ui-secondary:var(--secondary);--ui-secondary-foreground:var(--secondary-foreground);--ui-muted:var(--secondary);--ui-muted-foreground:var(--muted);--ui-accent:var(--accent);--ui-accent-foreground:var(--accent-foreground);--ui-destructive:var(--danger);--ui-destructive-foreground:var(--danger-foreground);--ui-destructive-soft:var(--danger-soft);--ui-border:var(--line);--ui-input:var(--control-border);--ui-ring:var(--focus);--ui-success:var(--success);--ui-success-foreground:var(--success-foreground);--ui-success-soft:var(--success-soft);--ui-warning:var(--warning);--ui-warning-foreground:var(--warning-foreground);--ui-warning-soft:var(--warning-soft);--ui-info:var(--info);--ui-info-foreground:var(--info-foreground);--ui-info-soft:var(--info-soft);--ui-chart-1:var(--chart1);--ui-chart-2:var(--chart2);--ui-chart-3:var(--chart3);--ui-chart-4:var(--chart4);--ui-chart-5:var(--chart5);--hraness-site-accent:var(--primary);--hraness-site-accent-ink:var(--primary-foreground);--plain-background:var(--background);--plain-foreground:var(--foreground);--plain-muted:var(--muted);--plain-line:var(--grid);--plain-surface:var(--secondary);--plain-link:var(--primary);--plain-syntax-keyword:var(--warning);--plain-syntax-string:var(--success);--plain-syntax-number:var(--danger);--plain-syntax-name:var(--info)}@layer base{:root[data-hraness-theme=paper]:where(:not([data-palette]),[data-palette=paper]),[data-hraness-theme=paper]:where(:not([data-palette]),[data-palette=paper]){--ui-surface-light:color-mix(in oklch,var(--card) 94%,white);--ui-surface-shade:color-mix(in oklch,var(--background) 55%,black);--elevation-low:inset 0 1px 0 color-mix(in srgb,var(--ui-surface-light) 72%,transparent),0 1px 2px -1px color-mix(in srgb,var(--ui-surface-shade) 20%,transparent),0 4px 10px -6px color-mix(in srgb,var(--ui-surface-shade) 22%,transparent);--elevation-raised:inset 0 1px 0 color-mix(in srgb,var(--ui-surface-light) 72%,transparent),0 2px 4px -2px color-mix(in srgb,var(--ui-surface-shade) 18%,transparent),0 14px 28px -16px color-mix(in srgb,var(--ui-surface-shade) 30%,transparent);--elevation-overlay:inset 0 1px 0 color-mix(in srgb,var(--ui-surface-light) 80%,transparent),0 4px 12px -4px color-mix(in srgb,var(--ui-surface-shade) 24%,transparent),0 24px 64px -20px color-mix(in srgb,var(--ui-surface-shade) 38%,transparent);--elevation-inset:inset 0 2px 4px -2px color-mix(in srgb,var(--ui-surface-shade) 24%,transparent),inset 0 -1px 0 color-mix(in srgb,var(--ui-surface-light) 44%,transparent)}}@media (forced-colors:active){:root[data-hraness-theme=paper]:where(:not([data-palette]),[data-palette=paper]),[data-hraness-theme=paper]:where(:not([data-palette]),[data-palette=paper]){--background:Canvas;--foreground:CanvasText;--muted:CanvasText;--faint:CanvasText;--surface:Canvas;--surface-raised:Canvas;--surface-hover:Canvas;--card:Canvas;--card-foreground:CanvasText;--popover:Canvas;--popover-foreground:CanvasText;--secondary:Canvas;--secondary-foreground:CanvasText;--grid:CanvasText;--line:CanvasText;--control-border:ButtonText;--primary:Highlight;--primary-foreground:HighlightText;--plain-link:LinkText;--accent:Highlight;--accent-foreground:HighlightText;--focus:Highlight;--inverse:CanvasText;--inverse-foreground:Canvas;--disabled:Canvas;--disabled-foreground:GrayText;--elevation-low:none;--elevation-raised:none;--elevation-overlay:none;--elevation-inset:none}}[data-hraness-material=lantern] .plain-header.hraness-material-chrome{background:var(--plain-background);border-block-end:1px solid var(--hraness-material-seam)}[data-hraness-material=lantern] .plain-header.hraness-material-chrome .plain-header__inner{border-block-end:0}[data-hraness-material=lantern] .noise-app .app-header{border-block-end-color:var(--hraness-material-seam)}[data-hraness-material=lantern] :is(.noise-app .transport-button,.noise-app .timer-button,.noise-app .tune-button){background-image:linear-gradient(to bottom,var(--hraness-material-edge),transparent 2px)}[data-hraness-material=lantern] .noise-app [data-disabled]{background-image:none}@media (forced-colors:active){[data-hraness-material=lantern] :is(.noise-app .transport-button,.noise-app .timer-button,.noise-app .tune-button){background-image:none}}.editorial-image{margin:1.5rem 0 0}.editorial-image__asset,.editorial-image__thumbnail{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.editorial-image__caption{display:flex;align-items:baseline;justify-content:space-between;gap:.35rem 1rem;margin-top:.55rem;color:var(--plain-muted);font-size:.78rem;line-height:1.45}.editorial-image__caption small{flex:0 0 auto;color:inherit;font:inherit;white-space:nowrap}.sleepyland-resource-nav{border-top:1px solid var(--plain-line);display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin:3rem auto 0;max-inline-size:var(--plain-shell-measure);padding:1rem var(--plain-shell-gutter)}html body:has(.noise-app){background:var(--background)}.noise-app{color-scheme:dark;--noise-background:var(--background);--noise-panel:var(--surface);--noise-control:var(--secondary);--noise-control-hover:var(--surface-hover);--noise-line:var(--control-border);--noise-text:var(--foreground);--noise-muted:var(--muted);--noise-faint:var(--faint);--noise-action:var(--primary);--noise-action-hover:color-mix(in oklch,var(--primary) 88%,var(--background));--noise-action-pressed:color-mix(in oklch,var(--primary) 78%,var(--background));--noise-header-inset:env(safe-area-inset-top);--noise-header-height:calc(60px + var(--noise-header-inset))}button,input{-webkit-tap-highlight-color:transparent}.noise-app{display:grid;overflow:clip;background:var(--noise-background);color:var(--noise-text);grid-template-rows:var(--noise-header-height) minmax(0,1fr) auto}.app-header{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:16px;padding:calc(var(--noise-header-inset) + var(--layout-chrome-inset)) max(var(--layout-chrome-inset),env(safe-area-inset-right)) var(--layout-chrome-inset) max(var(--layout-chrome-inset),env(safe-area-inset-left));border-bottom:1px solid var(--noise-line);grid-row:1}.wordmark{display:block;min-width:0;max-width:100%;flex:1 1 auto;overflow:hidden;margin:0;color:var(--noise-text);font-family:var(--font-text);font-size:1rem;font-weight:var(--font-weight-semibold);letter-spacing:-.01em;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.wordmark .hraness-foil-mark,.wordmark .hraness-foil-text{--hraness-foil-text-base:var(--noise-text)}.header-actions{display:flex;min-width:0;flex:0 0 auto;align-items:center;justify-content:flex-end;gap:6px}.header-actions>*{flex:0 0 auto}.header-research-link{display:inline-flex;min-width:var(--interactive-target-min);height:var(--interactive-target-min);align-items:center;justify-content:center;padding:0 8px;border-radius:var(--sleepyland-compact-radius);color:var(--noise-muted);font-family:var(--font-text);font-size:.92rem;font-weight:var(--font-weight-medium);text-decoration:none}.header-research-link:is(:hover,:focus-visible){color:var(--noise-text)}.header-research-link:focus-visible{outline:2px solid var(--noise-text);outline-offset:-2px}.range-control__header,.range-control__header>span,.timer-button__control,.transport-button__control{display:flex;align-items:center}.noise-app .info-button,.noise-app .info-button:defined{--sleepyland-icon-button-size:var(--interactive-target-min);--sleepyland-control-background:transparent;--sleepyland-control-foreground:var(--noise-muted);width:var(--interactive-target-min);max-width:none;height:var(--interactive-target-min);max-height:none;min-height:0;flex:0 0 var(--interactive-target-min);padding:0;border:0;color:var(--noise-muted);box-shadow:none}.noise-app .header-resources-button,.noise-app .header-resources-button:defined{--sleepyland-control-background:transparent;--sleepyland-control-foreground:var(--noise-muted);height:var(--interactive-target-min);min-height:0;padding:0;border:0;background:transparent;color:var(--noise-muted);box-shadow:none}.noise-app .header-resources-button__control{min-height:var(--interactive-target-min);padding-inline:8px;font-family:var(--font-text);font-size:.92rem;font-weight:var(--font-weight-medium)}.noise-app .header-resources-button:is(:hover,[data-hovered]){--sleepyland-control-background:var(--noise-control);--sleepyland-control-foreground:var(--noise-text)}.noise-app .header-appearance{--hraness-appearance-control-background:transparent;--hraness-appearance-control-foreground:var(--noise-muted);--hraness-appearance-control-border:var(--noise-line);--hraness-appearance-accent:var(--noise-control);--hraness-appearance-accent-foreground:var(--noise-text);--hraness-appearance-focus:var(--noise-text);--hraness-appearance-popover-background:var(--noise-panel);--hraness-appearance-popover-foreground:var(--noise-text)}.noise-app .header-appearance .hraness-design-theme-toggle__trigger{inline-size:var(--interactive-target-min);min-inline-size:var(--interactive-target-min);min-block-size:var(--interactive-target-min);border-radius:var(--sleepyland-compact-radius)}.noise-app .info-button__control{width:var(--interactive-target-min);max-width:none;height:var(--interactive-target-min);max-height:none}.noise-app .info-button:is(:hover,[data-hovered]){--sleepyland-control-background:var(--noise-control);--sleepyland-control-foreground:var(--noise-text)}.info-button svg{width:21px;height:21px;overflow:visible;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.6}.visual-panel{position:relative;min-width:0;min-height:0;grid-row:2}.session-completion{position:absolute;z-index:2;right:var(--layout-chrome-inset);bottom:var(--layout-chrome-inset);max-width:calc(100% - 2 * var(--layout-chrome-inset));margin:0;padding:7px 10px;border:1px solid var(--noise-line);border-radius:var(--sleepyland-compact-radius);background:color-mix(in oklch,var(--surface) 92%,transparent);color:var(--noise-muted);font-family:var(--font-text);font-size:12px;overflow-wrap:anywhere}.session-completion[hidden]{display:none}.spectrogram{position:relative;width:100%;height:100%;min-width:0;min-height:0;overflow:hidden;background:var(--noise-background)}.spectrogram canvas{pointer-events:none}.spectrogram canvas,.spectrum-instrument{position:absolute;width:100%;height:100%;inset:0}.spectrum-instrument{z-index:1;padding:0;border:0;appearance:none;background:transparent;outline:none;cursor:crosshair;touch-action:none;-webkit-user-select:none;user-select:none}.spectrum-instrument:is([data-focus-visible],:focus-visible){outline:2px solid var(--focus);outline-offset:-3px}.spectrum-instrument[data-interacting]{cursor:none}.audio-error{position:fixed;z-index:4;top:calc(var(--noise-header-height) + 10px);right:14px;max-width:min(460px,calc(100vw - 28px));padding:10px 12px;border:1px solid var(--noise-line);border-radius:var(--sleepyland-compact-radius);background:var(--noise-control-hover);color:var(--noise-text);font-size:12px}.control-deck{--control-height-transport:72px;--noise-action-height:52px;--noise-transport-glyph-size:36px;display:grid;min-width:0;gap:8px;padding:var(--layout-chrome-inset) max(var(--layout-chrome-inset),env(safe-area-inset-right)) max(var(--layout-chrome-inset),env(safe-area-inset-bottom)) max(var(--layout-chrome-inset),env(safe-area-inset-left));border-top:1px solid var(--noise-line);background:var(--noise-panel);grid-row:3}.control-deck__primary,.mixer-grid,.sound-tuning{display:grid;min-width:0;align-items:center;gap:14px}.control-deck__primary{grid-template-columns:var(--control-height-transport) minmax(340px,1fr) max-content max-content}.sound-tuning{padding-top:8px;border-top:1px solid var(--noise-line);grid-template-columns:minmax(210px,.7fr) minmax(240px,.8fr) minmax(0,3fr)}.sound-tuning[hidden]{display:none}.mixer-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.transport-controls{display:grid;width:var(--control-height-transport);height:var(--control-height-transport);min-width:0;place-items:center}.noise-picker__options .sleepyland-segmented-control__item,.sound-mode-button,.timer-button__control,.transport-button,.tune-button__control{border:0;cursor:pointer;transition:background .14s ease,color .14s ease,opacity .14s ease}.transport-button{display:grid;background:var(--sleepyland-control-background,var(--noise-action));color:var(--primary-foreground)}.transport-button,.transport-button__control{width:var(--control-height-transport);height:var(--control-height-transport);padding:0;border:0;border-radius:var(--radius-round)}.transport-button__control{min-height:var(--control-height-transport);justify-content:center;outline:none;background:transparent;color:inherit}.transport-button__control[data-status=starting]{cursor:progress}.transport-button svg{width:var(--noise-transport-glyph-size);height:var(--noise-transport-glyph-size);overflow:visible;fill:currentColor}.sound-mode-picker{min-width:0;padding:0;border:0}.noise-picker legend,.sound-mode-picker legend{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.energy-picker{min-width:0;padding:0;border:0;display:grid;gap:6px}.energy-picker legend{color:var(--noise-muted);font-family:var(--font-text);font-size:12px;font-weight:var(--font-weight-medium);letter-spacing:0}.sound-mode-picker__surface{display:grid;min-width:0;gap:3px;padding:3px;border-radius:var(--sleepyland-control-radius);background:var(--noise-control);grid-template-columns:repeat(3,minmax(0,1fr))}.sound-mode-button{display:flex;min-width:0;height:50px;align-items:center;justify-content:center;gap:9px;padding:0 12px;border:0;border-radius:var(--sleepyland-compact-radius);background:transparent;color:var(--noise-muted);text-align:left}.sound-mode-button:is(:hover,[data-hovered]){background:color-mix(in oklch,var(--foreground) 6%,transparent);color:var(--noise-text)}.sound-mode-button[data-selected]{background:var(--noise-control-hover);color:var(--noise-text);box-shadow:inset 0 0 0 1px color-mix(in oklch,var(--foreground) 14%,transparent)}.sound-mode-button__icon{display:grid;width:22px;height:22px;flex:0 0 22px;place-items:center}.sound-mode-button__icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.55}.sound-mode-button__copy{display:grid;min-width:0;gap:2px}.sound-mode-button__copy small,.sound-mode-button__copy strong{max-width:100%;overflow-wrap:anywhere;white-space:normal}.sound-mode-button__copy strong{font-size:14px;font-weight:var(--font-weight-semibold);line-height:1.1}.sound-mode-button__copy small{color:var(--noise-faint);font-family:var(--font-text);font-size:11px;line-height:1.2}.sound-mode-button[data-customized] .sound-mode-button__copy small,.sound-mode-button[data-selected] .sound-mode-button__copy small{color:var(--noise-muted)}.noise-picker{min-width:0;padding:0;border:0}.noise-app .energy-picker__surface,.noise-app .noise-picker__surface{--sleepyland-control-background:var(--noise-control);--sleepyland-control-foreground:var(--noise-muted);display:block;width:100%;max-width:none;overflow:visible;border-radius:var(--sleepyland-control-radius);box-shadow:none}.energy-picker__options,.noise-picker__options{display:grid;gap:6px;width:100%;max-width:none;overflow:visible;padding:0;border:0;background:transparent;grid-template-columns:repeat(3,minmax(0,1fr))}.energy-picker__options{grid-template-columns:repeat(3,minmax(0,1fr))}.energy-picker__options .sleepyland-segmented-control__item,.noise-picker__options .sleepyland-segmented-control__item{min-width:0;height:52px;padding:0 14px;border-radius:var(--sleepyland-compact-radius);background:transparent;color:var(--noise-muted);font-size:15px;font-weight:var(--font-weight-medium)}.energy-picker__options .sleepyland-segmented-control__item{height:44px;padding-inline:10px;font-size:13px;white-space:normal}.energy-picker__options .sleepyland-segmented-control__item:is(:hover,[data-hovered]),.noise-picker__options .sleepyland-segmented-control__item:is(:hover,[data-hovered]){background:var(--noise-control-hover);color:var(--noise-text)}.energy-picker__options .sleepyland-segmented-control__item[data-selected],.noise-picker__options .sleepyland-segmented-control__item[data-selected]{background:var(--noise-text);color:var(--noise-background)}.range-control{display:grid;min-width:0;gap:7px}.range-control__header{--sleepyland-wrapping-row-gap:2px 8px;justify-content:space-between;color:var(--noise-muted);font-size:13px}.range-control__header>span{min-width:0;flex:1 1 4.75rem;flex-wrap:wrap;gap:7px;overflow-wrap:anywhere}.range-control__header svg,.timer-button__control>svg,.tune-button__control>svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.6}.range-control output{max-width:100%;flex:0 0 auto;color:var(--noise-text);font-size:13px;font-weight:var(--font-weight-medium);white-space:nowrap}.range-control__fader.sleepyland-fader[data-orientation=horizontal]{width:100%;height:28px;color:var(--noise-text)}.range-control__fader.sleepyland-fader[data-orientation=horizontal] .sleepyland-fader__track{height:28px}.range-control__fader.sleepyland-fader[data-orientation=horizontal] .sleepyland-fader__fill:before,.range-control__fader.sleepyland-fader[data-orientation=horizontal] .sleepyland-fader__track:before{top:50%;right:0;bottom:auto;left:0;width:auto;height:6px;border-radius:999px;transform:translateY(-50%)}.range-control__fader.sleepyland-fader[data-orientation=horizontal] .sleepyland-fader__track:before{background:var(--noise-line)}.range-control__fader.sleepyland-fader[data-orientation=horizontal] .sleepyland-fader__fill:before{background:var(--noise-muted)}.range-control__fader.sleepyland-fader[data-orientation=horizontal] 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