:root{--font-sans: "Poppins", sans-serif;--font-mono: "DM Mono", monospace;--font-display: "Poppins", sans-serif;--font-size-hero: clamp(3rem, 6vw, 5.5rem);--font-size-display: clamp(2.25rem, 4vw, 4rem);--font-size-h1: clamp(2rem, 3.5vw, 3rem);--font-size-h2: clamp(1.5rem, 2.5vw, 2.25rem);--font-size-h3: clamp(1.125rem, 2vw, 1.5rem);--font-size-body-lg: 1.125rem;--font-size-body: 1rem;--font-size-body-sm: .875rem;--font-size-caption: .75rem;--line-height-tight: 1.02;--line-height-heading: 1.04;--line-height-body: 1.6;--line-height-relaxed: 1.72;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--letter-spacing-tight: -.04em;--letter-spacing-snug: -.02em;--letter-spacing-normal: 0;--letter-spacing-wide: .08em;--measure-body: 66ch;--measure-compact: 52ch;--radius-sm: 14px;--radius-md: 22px;--radius-lg: 32px;--radius-xl: 44px;--radius-pill: 999px;--space-2xs: .25rem;--space-xs: .5rem;--space-sm: .75rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4.5rem;--space-section-y: clamp(4rem, 8vw, 8rem);--space-page-x: clamp(1rem, 3vw, 2.5rem);--navbar-height: 76px;--navbar-bottom: var(--navbar-height);--site-footer-height: 0px;--container-max: 1400px;--deck-card-width-offset: 48px;--deck-card-max-width: 1280px;--deck-edge-bottom: 12px;--deck-route-tab-overhang: 72px;--deck-card-height: calc(100vh - 120px) ;--deck-card-max-height: 760px;--deck-mobile-card-fallback-height: 900px;--deck-footer-gap: 24px;--deck-card-start-offset: 56px;--surface-edge-size: 7px;--deck-tab-width: 140px;--deck-tab-offset-x: 32px;--deck-tab-step: 125px;--stack-overlap-sm: 20px;--section-intro-max: 520px;--lesson-section-offset-top: 140px;--lesson-accent-strip: 6px;--lesson-copy-max: 500px;--lesson-player-max: 560px;--lesson-player-avatar-size: 44px;--lesson-player-progress-width: 120px;--hero-dock-overhang: 2rem;--hero-dock-min-height: 460px;--hero-glow: radial-gradient(circle, rgba(249, 115, 22, .06) 0%, transparent 70%);--hero-note-bottom: -24px;--hero-note-left: -40px;--hero-note-max-width: 220px;--deck-card-bg: color-mix(in srgb, var(--color-bg) 95%, transparent);--deck-card-border-top: rgba(20, 26, 35, .08);--deck-card-backdrop-blur: 8px;--section-card-bg: color-mix(in srgb, var(--color-panel-strong) 92%, var(--color-canvas-soft) 8%);--section-card-border: color-mix(in srgb, var(--color-border-strong) 74%, transparent);--intro-backdrop: #000000;--bg-deep: #0d1018;--reading-max: 760px;--hero-media-max: 620px;--sidebar-width: 312px;--sidebar-compact-width: 88px;--overlap-offset: clamp(1.5rem, 3vw, 3rem);--footer-offset: clamp(1rem, 2.5vw, 2.5rem);--motion-fast: .18s cubic-bezier(.2, .8, .2, 1);--motion-base: .26s cubic-bezier(.2, .8, .2, 1);--motion-slow: .42s cubic-bezier(.2, .8, .2, 1);--hover-lift: translateY(-2px);--hover-lift-strong: translateY(-4px);--shadow-card: 0 18px 48px rgba(20, 26, 35, .08);--shadow-card-strong: 0 24px 80px rgba(0, 0, 0, .18);--shadow-panel-overlap: 0 24px 80px rgba(0, 0, 0, .26);--shadow-button-primary: 0 10px 30px rgba(249, 115, 22, .22);--shadow-focus-ring: 0 0 0 4px rgba(249, 115, 22, .18);--z-base: 1;--z-overlap: 10;--z-sticky-nav: 30;--z-floating-player: 40;--z-modal: 80;--z-assistant: 90;--brand-primary: #f97316;--brand-secondary: #04c582;--brand-tertiary: #9b2dfc;--brand-quaternary: #13b4e0;--brand-deep-accent: #cd0e3c;--brand-neutral-accent: #9ca3af;--state-success: #10b981;--state-warning: #f59e0b;--state-error: #ef4444;--state-info: #38bdf8;--color-canvas: #f7f7f4;--color-canvas-soft: #eff1ec;--color-panel: rgba(255, 255, 255, .86);--color-panel-strong: #ffffff;--color-panel-elevated: #e9ece5;--color-border: rgba(20, 26, 35, .08);--color-border-strong: rgba(20, 26, 35, .14);--color-text: #141a23;--color-text-secondary: #425064;--color-text-muted: #6b778a;--color-text-inverse: #ffffff;--color-dim: rgba(20, 26, 35, .1);--color-bg: var(--color-canvas);--color-bg-soft: var(--color-canvas-soft);--color-surface: var(--color-panel);--color-surface-strong: var(--color-panel-strong);--color-surface-elevated: var(--color-panel-elevated);--color-line: var(--color-border);--color-line-strong: var(--color-border-strong);--color-primary-text: var(--color-text);--color-secondary-text: var(--color-text-secondary);--color-muted-text: var(--color-text-muted);--color-accent: var(--brand-primary);--color-accent-contrast: var(--color-text-inverse);--color-tab-text: #10161f;--app-shell-bg: var(--color-canvas);--app-shell-text: var(--color-text);--app-shell-text-muted: var(--color-text-secondary);--button-radius: var(--radius-pill);--card-radius: var(--radius-lg);--panel-radius: var(--radius-xl);--input-radius: var(--radius-md);--section-radius: clamp(1.75rem, 3vw, 2.75rem)}@media (max-width: 1024px){:root{--hero-dock-min-height: 400px;--lesson-section-offset-top: 112px}}@media (max-width: 768px){:root{--hero-dock-min-height: 340px;--lesson-section-offset-top: 80px;--lesson-player-progress-width: 100%;--hero-note-max-width: 100%}}[data-theme=dark]{--shadow-card: 0 18px 60px rgba(0, 0, 0, .34);--shadow-card-strong: 0 24px 80px rgba(0, 0, 0, .34);--color-canvas: #0d1117;--color-canvas-soft: #141a23;--color-panel: rgba(255, 255, 255, .05);--color-panel-strong: rgba(255, 255, 255, .08);--color-panel-elevated: #18202b;--color-border: rgba(255, 255, 255, .1);--color-border-strong: rgba(255, 255, 255, .16);--color-text: #f5f7fa;--color-text-secondary: #c2cad6;--color-text-muted: #9099a8;--color-text-inverse: #10161f;--color-dim: rgba(7, 10, 15, .64);--deck-card-bg: color-mix(in srgb, var(--color-bg) 95%, transparent);--deck-card-border-top: rgba(255, 255, 255, .12);--deck-card-backdrop-blur: 8px;--section-card-bg: color-mix(in srgb, #18202b 72%, #0d1117 28%);--section-card-border: color-mix(in srgb, rgba(255, 255, 255, .16) 82%, transparent);--color-bg: var(--color-canvas);--color-bg-soft: var(--color-canvas-soft);--color-surface: var(--color-panel);--color-surface-strong: var(--color-panel-strong);--color-surface-elevated: var(--color-panel-elevated);--color-line: var(--color-border);--color-line-strong: var(--color-border-strong);--color-primary-text: var(--color-text);--color-secondary-text: var(--color-text-secondary);--color-muted-text: var(--color-text-muted);--color-accent: var(--brand-primary);--color-accent-contrast: var(--color-text-inverse);--color-tab-text: #ffffff;--app-shell-bg: var(--color-canvas);--app-shell-text: var(--color-text);--app-shell-text-muted: var(--color-text-secondary)}[data-accent=primary]{--color-accent: var(--brand-primary);--color-accent-contrast: var(--color-text-inverse)}[data-accent=secondary]{--color-accent: var(--brand-secondary);--color-accent-contrast: var(--color-text-inverse)}[data-accent=tertiary]{--color-accent: var(--brand-tertiary);--color-accent-contrast: var(--color-text-inverse)}[data-accent=quaternary]{--color-accent: var(--brand-quaternary);--color-accent-contrast: var(--color-text-inverse)}[data-accent=deep]{--color-accent: var(--brand-deep-accent);--color-accent-contrast: var(--color-text-inverse)}[data-accent=neutral]{--color-accent: var(--brand-neutral-accent);--color-accent-contrast: var(--color-text-inverse)}body{font-family:var(--font-sans);font-size:var(--font-size-body);line-height:var(--line-height-body);color:var(--color-primary-text);background:var(--color-bg)}h1,h2,h3,h4,h5,h6,.display,.hero-title{font-family:var(--font-display);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-tight);line-height:var(--line-height-heading);color:var(--color-primary-text)}.hero-title{font-size:var(--font-size-hero);max-width:11ch}.display{font-size:var(--font-size-display)}h1{font-size:var(--font-size-h1)}h2{font-size:var(--font-size-h2)}h3{font-size:var(--font-size-h3)}code,.mono,.prompt,.metric-meta{font-family:var(--font-mono)}.home-deck{--deck-edge-bottom: 12px;--deck-overlap: 40px;--deck-content-safe-bottom: calc(var(--deck-edge-bottom) + 58px);--deck-mobile-end-spacer: clamp(8rem, 24vh, 14rem);position:relative}.deck-section{scroll-margin-top:calc(var(--navbar-height) + var(--space-sm))}.deck-mobile-overlay,.deck-mobile-overlay__edge{display:none}.home-deck .deck-card{--deck-accent: var(--brand-primary);--deck-accent-glass: color-mix(in srgb, var(--deck-accent) 92%, transparent);box-sizing:border-box;grid-area:1 / 1;align-self:start;border-radius:0 0 var(--radius-lg) var(--radius-lg);border:none;border-top:1px solid var(--deck-card-border-top);background-clip:padding-box;background:var(--deck-card-bg);-webkit-backdrop-filter:blur(var(--deck-card-backdrop-blur));backdrop-filter:blur(var(--deck-card-backdrop-blur));overflow:visible;width:calc(100% - var(--deck-card-width-offset));max-width:var(--deck-card-max-width);margin-left:auto;margin-right:auto;box-shadow:0 2px 12px #00000014,0 8px 32px #0000000a,inset 0 calc(-1 * var(--deck-edge-bottom)) 0 var(--deck-accent-glass);isolation:isolate;transition:transform .3s cubic-bezier(.25,1,.5,1),box-shadow .3s cubic-bezier(.25,1,.5,1),filter .3s}.home-deck .deck-card>.container{height:100%;min-height:0;padding-bottom:var(--deck-content-safe-bottom);overflow:hidden}[data-theme=dark] .home-deck .deck-card{box-shadow:0 2px 12px #00000026,0 8px 32px #0000001a,inset 0 calc(-1 * var(--deck-edge-bottom)) 0 var(--deck-accent-glass)}.home-deck .deck-card:hover{box-shadow:0 6px 20px #0000001f,0 16px 48px #00000014,inset 0 calc(-1 * var(--deck-edge-bottom)) 0 var(--deck-accent-glass)}[data-theme=dark] .home-deck .deck-card:hover{box-shadow:0 6px 20px #0003,0 16px 48px #00000026,inset 0 calc(-1 * var(--deck-edge-bottom)) 0 var(--deck-accent-glass)}.home-deck .deck-card:hover{filter:brightness(1.05)}.home-deck .deck-card[data-deck="0"]{--deck-accent: var(--brand-primary)}.home-deck .deck-card[data-deck="1"]{--deck-accent: var(--brand-secondary)}.home-deck .deck-card[data-deck="2"]{--deck-accent: var(--brand-deep-accent)}.home-deck .deck-card[data-deck="3"]{--deck-accent: var(--brand-secondary)}.home-deck .deck-card[data-deck="4"]{--deck-accent: var(--brand-quaternary)}.home-deck .deck-card[data-deck="5"]{--deck-accent: var(--brand-tertiary)}.home-deck .deck-card[data-deck="6"]{--deck-accent: var(--brand-quaternary)}.deck-tab-container{position:absolute;bottom:0;left:0;right:0;height:0;z-index:100;pointer-events:none}.deck-tab{--deck-tab-center: calc( var(--deck-tab-offset-x) + (var(--deck-index, 0) * var(--deck-tab-step)) + (var(--deck-tab-width) / 2) );--deck-tab-scale: 1;position:absolute;pointer-events:auto;top:0;min-height:48px;min-width:var(--deck-tab-width);width:max-content;left:var(--deck-tab-center);padding:0 22px;display:inline-flex;align-items:center;gap:6px;justify-content:center;font-family:var(--font-sans);font-size:var(--font-size-caption);font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:.5px;color:var(--color-tab-text);white-space:nowrap;opacity:1;background:var(--deck-accent-glass);border:none;border-top:none;border-radius:0 0 var(--radius-md) var(--radius-md);cursor:pointer;transform:translate(-50%) scale(var(--deck-tab-scale));transform-origin:center top;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 6px 14px #00000040,0 2px 6px #00000026,inset 0 1px #ffffff1f;transition:transform .24s cubic-bezier(.16,1,.3,1),padding .24s cubic-bezier(.16,1,.3,1),font-size .22s cubic-bezier(.16,1,.3,1),letter-spacing .22s cubic-bezier(.16,1,.3,1),background .24s cubic-bezier(.16,1,.3,1),box-shadow .24s cubic-bezier(.16,1,.3,1),opacity .22s cubic-bezier(.16,1,.3,1),color .22s cubic-bezier(.16,1,.3,1),-webkit-backdrop-filter .24s cubic-bezier(.16,1,.3,1),backdrop-filter .24s cubic-bezier(.16,1,.3,1)}.deck-tab:focus-visible{outline:2px solid var(--color-primary-text);outline-offset:2px}[data-active=true] .deck-card{--deck-accent-glass: var(--deck-accent)}[data-active=true] .deck-tab{--deck-tab-scale: 1.06;font-size:.85rem;padding:0 36px;letter-spacing:.8px;opacity:1;background:var(--deck-accent);-webkit-backdrop-filter:blur(0px);backdrop-filter:blur(0px);box-shadow:0 10px 24px #0000003d,0 4px 12px #0000002e,inset 0 1px #ffffff2e}.deck-card-hint{--deck-hint-rotation: 0deg;--deck-arrow-size: 18px;--deck-arrow-travel: 15px;--deck-arrow-offset: 8px;position:absolute;left:50%;width:var(--deck-arrow-size);height:calc(var(--deck-arrow-size) + var(--deck-arrow-offset) + 4px);transform:translate(-50%) rotate(var(--deck-hint-rotation));transform-origin:center;opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:2}[data-will-tuck=true] .deck-card:has(.deck-tab:hover)>.deck-card-hint{--deck-hint-rotation: 180deg;opacity:1;bottom:calc(var(--deck-edge-bottom) + 16px)}[data-show-hint=true][data-will-tuck=false] .deck-card:has(.deck-tab:hover)>.deck-card-hint{--deck-hint-rotation: 0deg;opacity:1;bottom:-42px}.deck-tab-arrow{position:absolute;top:0;left:50%;width:var(--deck-arrow-size);height:var(--deck-arrow-size);margin-left:calc(var(--deck-arrow-size) / -2);border-left:2.5px solid rgba(255,255,255,.92);border-bottom:2.5px solid rgba(255,255,255,.92);border-radius:3px;-webkit-transform:rotate(-45deg) translate(0,0);transform:rotate(-45deg) translate(0);-webkit-transform-origin:center;transform-origin:center;-webkit-animation:deckArrowSweep 1.5s infinite;animation:deckArrowSweep 1.5s infinite;isolation:isolate;box-sizing:border-box;filter:drop-shadow(0 0 2px rgba(255,255,255,.38)) drop-shadow(0 0 10px rgba(255,255,255,.16)) drop-shadow(0 8px 18px rgba(0,0,0,.2));opacity:0}.deck-tab-arrow:before,.deck-tab-arrow:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;box-sizing:border-box}.deck-tab-arrow:before{top:-1.5px;right:-1.5px;bottom:-1.5px;left:-1.5px;border-left:3px solid rgba(255,255,255,.16);border-bottom:3px solid rgba(255,255,255,.16);filter:blur(3.5px);opacity:.95}.deck-tab-arrow:after{top:1px;right:1px;bottom:1px;left:1px;border-left:1px solid rgba(255,255,255,.36);border-bottom:1px solid rgba(255,255,255,.36);opacity:.8}.deck-tab-arrow:nth-child(1){animation-delay:0s}.deck-tab-arrow:nth-child(2){top:var(--deck-arrow-offset);animation-delay:.2s}@-webkit-keyframes deckArrowSweep{0%{-webkit-transform:rotate(-45deg) translate(0,0);opacity:0}50%{opacity:1}to{-webkit-transform:rotate(-45deg) translate(calc(-1 * var(--deck-arrow-travel)),var(--deck-arrow-travel));opacity:0}}@keyframes deckArrowSweep{0%{transform:rotate(-45deg) translate(0);opacity:0}50%{opacity:1}to{transform:rotate(-45deg) translate(calc(-1 * var(--deck-arrow-travel)),var(--deck-arrow-travel));opacity:0}}@media (prefers-reduced-motion: reduce){.deck-tab-arrow{-webkit-animation:none;animation:none}}@media (max-width: 1024px){.home-deck{--deck-overlap: 0px;--deck-mobile-cap-reveal: var(--radius-lg);--deck-mobile-navbar-edge: var(--deck-edge-bottom);--deck-mobile-card-overlap: var(--deck-mobile-cap-reveal)}.deck-track--mobile{position:relative;margin-top:calc(-1 * var(--navbar-height));padding-top:0}.deck-track--mobile .deck-mobile-item+.deck-mobile-item{margin-top:calc(-1 * var(--deck-mobile-card-overlap))}.deck-track--mobile .deck-mobile-tail{width:100%;min-height:var(--deck-mobile-end-spacer);height:var(--deck-mobile-end-spacer);pointer-events:none}.deck-track--mobile .deck-mobile-item{position:sticky;top:calc(var(--navbar-height) - var(--deck-mobile-card-height, 100vh) + ((var(--deck-mobile-order, 0) + 1) * var(--deck-mobile-navbar-edge)))}.deck-track--mobile .deck-mobile-item .deck-card{top:0}.home-deck .deck-card{width:100%;max-width:none;margin-left:0;margin-right:0;margin-bottom:0;height:auto;max-height:none;box-shadow:0 2px 12px #00000014,0 8px 32px #0000000a,inset 0 calc(-1 * var(--deck-edge-bottom)) 0 var(--deck-accent-glass);background:color-mix(in srgb,var(--color-bg) 98%,transparent);position:relative}.home-deck .deck-card>.container{height:auto;min-height:0;padding-bottom:calc(var(--deck-edge-bottom) + var(--space-xl));overflow:visible}.home-deck .deck-card:hover{filter:none;box-shadow:0 2px 12px #00000014,0 8px 32px #0000000a,inset 0 calc(-1 * var(--deck-edge-bottom)) 0 var(--deck-accent-glass)}[data-theme=dark] .home-deck .deck-card,[data-theme=dark] .home-deck .deck-card:hover{background:color-mix(in srgb,var(--color-surface-elevated) 96%,var(--color-bg));box-shadow:0 2px 12px #00000026,0 8px 32px #0000001a,inset 0 calc(-1 * var(--deck-edge-bottom)) 0 var(--deck-accent-glass)}.deck-tab-container{display:none}}.btn{--btn-tone: var(--color-accent);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2xs);font-family:var(--font-sans);font-weight:var(--font-weight-semibold);border-radius:var(--button-radius);transition:transform var(--motion-fast),background-color var(--motion-fast),box-shadow var(--motion-fast),color var(--motion-fast),border-color var(--motion-fast);cursor:pointer;border:none;text-decoration:none}.btn:focus-visible{outline:none;box-shadow:var(--shadow-focus-ring)}.btn--primary{background-color:var(--btn-tone);color:var(--color-accent-contrast);box-shadow:var(--shadow-button-primary)}.btn--primary:hover,.btn--solid:hover,.btn--soft:hover,.btn--outline:hover{transform:var(--hover-lift)}.btn--solid{background-color:var(--btn-tone);color:var(--color-accent-contrast);box-shadow:var(--shadow-button-primary)}.btn--secondary{background-color:color-mix(in srgb,var(--color-surface-strong) 76%,transparent);color:var(--color-primary-text);border:1px solid color-mix(in srgb,var(--color-line-strong) 86%,transparent);box-shadow:0 1px color-mix(in srgb,var(--color-primary-text) 8%,transparent)}.btn--secondary:hover{background-color:var(--color-surface-strong);border-color:color-mix(in srgb,currentColor 18%,var(--color-line-strong));transform:var(--hover-lift)}.btn--ghost{background-color:transparent;color:var(--color-secondary-text);border:1px solid color-mix(in srgb,var(--color-line-strong) 82%,var(--color-line));box-shadow:none}.btn--ghost:hover{background-color:color-mix(in srgb,var(--color-surface-strong) 82%,transparent);color:var(--color-primary-text)}.btn--soft{background-color:color-mix(in srgb,var(--btn-tone) 12%,transparent);color:color-mix(in srgb,var(--btn-tone) 76%,var(--color-primary-text));border:1px solid color-mix(in srgb,var(--btn-tone) 34%,var(--color-line));box-shadow:none}.btn--soft:hover{background-color:color-mix(in srgb,var(--btn-tone) 16%,var(--color-surface-strong));border-color:color-mix(in srgb,var(--btn-tone) 48%,var(--color-line));color:color-mix(in srgb,var(--btn-tone) 86%,var(--color-primary-text))}.btn--outline{background-color:transparent;color:color-mix(in srgb,var(--btn-tone) 76%,var(--color-primary-text));border:1px solid color-mix(in srgb,var(--btn-tone) 42%,var(--color-line));box-shadow:none}.btn--outline:hover{background-color:color-mix(in srgb,var(--btn-tone) 9%,transparent);border-color:color-mix(in srgb,var(--btn-tone) 58%,var(--color-line));color:var(--color-primary-text)}.btn:disabled,.btn[aria-disabled=true]{opacity:.58;cursor:not-allowed;transform:none;box-shadow:none}.btn--sm{padding:var(--space-xs) var(--space-md);font-size:var(--font-size-body-sm)}.btn--xs{min-height:2rem;padding:.28rem .66rem;font-size:.76rem;border-radius:var(--radius-pill)}.btn--md{padding:var(--space-sm) var(--space-lg);font-size:var(--font-size-body)}.btn--lg{padding:var(--space-md) var(--space-xl);font-size:var(--font-size-body-lg)}.accent-surface{--accent-surface-tone: var(--color-accent);--accent-surface-edge-size: var(--surface-edge-size);--accent-surface-shadow: var(--shadow-card);position:relative;border:0;background:var(--section-card-bg);background-clip:padding-box;color:var(--color-primary-text);box-shadow:var(--accent-surface-shadow)}.accent-surface--card{border-radius:var(--card-radius)}.accent-surface--tile{border-radius:calc(var(--radius-md) - 8px)}.accent-surface--panel{border-radius:var(--panel-radius)}.accent-surface--popover{border-radius:calc(var(--radius-md) - 3px)}.accent-surface--edge-left{box-shadow:var(--accent-surface-shadow),inset var(--accent-surface-edge-size) 0 0 color-mix(in srgb,var(--accent-surface-tone) 92%,transparent)}.accent-surface--edge-right{box-shadow:var(--accent-surface-shadow),inset calc(-1 * var(--accent-surface-edge-size)) 0 0 color-mix(in srgb,var(--accent-surface-tone) 92%,transparent)}.accent-surface--edge-top{box-shadow:var(--accent-surface-shadow),inset 0 var(--accent-surface-edge-size) 0 color-mix(in srgb,var(--accent-surface-tone) 92%,transparent)}.accent-surface--edge-bottom{box-shadow:var(--accent-surface-shadow),inset 0 calc(-1 * var(--accent-surface-edge-size)) 0 color-mix(in srgb,var(--accent-surface-tone) 92%,transparent)}.accent-surface--interactive{cursor:pointer;transition:background var(--motion-fast),box-shadow var(--motion-fast),color var(--motion-fast),transform var(--motion-fast)}.accent-surface--interactive:hover,.accent-surface--interactive:focus-visible{background:var(--accent-surface-tone);color:var(--color-accent-contrast);box-shadow:0 12px 24px color-mix(in srgb,var(--accent-surface-tone) 24%,transparent);transform:translateY(-1px)}.icon-button{--icon-button-tone: var(--color-accent);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;border:0;border-radius:var(--radius-pill);color:inherit;background:transparent;cursor:pointer;transition:transform var(--motion-fast),background var(--motion-fast),box-shadow var(--motion-fast),color var(--motion-fast)}.icon-button--sm{width:2rem;height:2rem}.icon-button--md{width:2.5rem;height:2.5rem}.icon-button--lg{width:3rem;height:3rem}.icon-button--neutral{--icon-button-tone: var(--color-line-strong)}.icon-button--accent{--icon-button-tone: var(--color-accent)}.icon-button--primary{--icon-button-tone: var(--brand-primary)}.icon-button--secondary{--icon-button-tone: var(--brand-secondary)}.icon-button--tertiary{--icon-button-tone: var(--brand-tertiary)}.icon-button--quaternary{--icon-button-tone: var(--brand-quaternary)}.icon-button--deep{--icon-button-tone: var(--brand-deep-accent)}.icon-button--solid{background:var(--icon-button-tone);color:var(--color-accent-contrast);box-shadow:var(--shadow-button-primary)}.icon-button--soft{background:color-mix(in srgb,var(--icon-button-tone) 12%,transparent);color:color-mix(in srgb,var(--icon-button-tone) 78%,var(--color-primary-text))}.icon-button--ghost:hover,.icon-button--soft:hover,.icon-button--ghost:focus-visible,.icon-button--soft:focus-visible{background:color-mix(in srgb,var(--icon-button-tone) 14%,transparent);color:var(--color-primary-text);transform:var(--hover-lift)}.icon-button:disabled,.icon-button[aria-disabled=true]{cursor:not-allowed;opacity:.58;transform:none;box-shadow:none}.icon-button:focus-visible{outline:none;box-shadow:var(--shadow-focus-ring)}.selectable-tile{font:inherit}.answer-tile{--answer-tile-tone: var(--color-accent);font:inherit}.action-row{display:flex;align-items:center;gap:var(--space-xs)}.action-row--start{justify-content:flex-start}.action-row--center{justify-content:center}.action-row--end{justify-content:flex-end}.action-row--between{justify-content:space-between}.action-row--compact{gap:var(--space-2xs)}.action-row--wrap{flex-wrap:wrap}.action-row--nowrap{flex-wrap:nowrap}.prompt-popover{color:var(--color-primary-text)}.meta-chip{--meta-chip-tone: var(--color-line-strong);display:inline-flex;align-items:center;justify-content:center;width:fit-content;border-radius:var(--radius-pill);font-family:var(--font-mono);font-weight:var(--font-weight-medium);line-height:1.2;text-transform:uppercase;letter-spacing:var(--letter-spacing-wide);white-space:nowrap}.meta-chip--sm{padding:var(--space-2xs) var(--space-sm);font-size:var(--font-size-caption)}.meta-chip--md{padding:var(--space-xs) var(--space-md);font-size:var(--font-size-body-sm)}.meta-chip--neutral{--meta-chip-tone: var(--color-line-strong)}.meta-chip--accent{--meta-chip-tone: var(--color-accent)}.meta-chip--primary{--meta-chip-tone: var(--brand-primary)}.meta-chip--secondary{--meta-chip-tone: var(--brand-secondary)}.meta-chip--tertiary{--meta-chip-tone: var(--brand-tertiary)}.meta-chip--quaternary{--meta-chip-tone: var(--brand-quaternary)}.meta-chip--deep{--meta-chip-tone: var(--brand-deep-accent)}.meta-chip--soft{border:1px solid color-mix(in srgb,var(--meta-chip-tone) 36%,var(--color-line));background:color-mix(in srgb,var(--meta-chip-tone) 9%,var(--color-surface));color:color-mix(in srgb,var(--meta-chip-tone) 76%,var(--color-secondary-text))}.meta-chip--solid{border:1px solid color-mix(in srgb,var(--meta-chip-tone) 84%,transparent);background:var(--meta-chip-tone);color:var(--color-accent-contrast)}.toggle-chip{cursor:pointer;transition:transform var(--motion-fast),border-color var(--motion-fast),background-color var(--motion-fast),color var(--motion-fast),box-shadow var(--motion-fast)}.toggle-chip:hover{transform:var(--hover-lift);border-color:color-mix(in srgb,var(--meta-chip-tone) 46%,var(--color-line))}.toggle-chip.is-active{border-color:color-mix(in srgb,var(--meta-chip-tone) 54%,var(--color-line));background:color-mix(in srgb,var(--meta-chip-tone) 12%,transparent);color:color-mix(in srgb,var(--meta-chip-tone) 78%,var(--color-primary-text))}.toggle-chip:disabled{cursor:not-allowed;opacity:.58;transform:none}.public-layout{width:100%;min-height:100vh}.public-layout__body{min-height:calc(100vh - var(--navbar-height))}.site-nav{position:sticky;top:0;z-index:var(--z-sticky-nav);background-color:var(--color-surface-strong);color:var(--color-text);padding:var(--space-sm) var(--space-md);width:100%;max-width:var(--container-max);margin:0 auto;border-radius:0 0 var(--radius-lg) var(--radius-lg);border:1px solid rgba(128,128,128,.08);border-top:none;box-shadow:var(--shadow-card-strong);transition:background-color var(--motion-base),color var(--motion-base),border-color var(--motion-base)}[data-theme=dark] .site-nav{border-top:1px solid rgba(255,255,255,.1);background-color:var(--color-surface-elevated);color:var(--color-text)}.site-nav__brand img{filter:none;transition:filter var(--motion-base)}.site-nav__brand-logo,.site-nav__brand-spacer{height:1.6em;margin-right:-2px}.site-nav__brand-spacer{width:1.6em;opacity:0}.site-nav__links a,.site-nav__brand{color:inherit}.site-nav__inner{display:flex;justify-content:space-between;align-items:center;max-width:var(--container-max);margin:0 auto;padding:0 var(--space-page-x);gap:var(--space-md)}.site-nav__brand{font-family:var(--font-display);font-weight:var(--font-weight-bold);font-size:var(--font-size-h2);line-height:var(--line-height-tight);letter-spacing:var(--letter-spacing-tight);color:inherit;text-decoration:none;display:inline-flex;align-items:center}.site-nav__brand-group{display:flex;align-items:center;gap:1.25rem;min-width:0}.site-nav__brand-divider{width:1px;height:24px;background-color:currentColor;opacity:.15}.site-nav__brand-dot{width:4px;height:4px;flex:0 0 auto;border-radius:50%;background-color:currentColor;opacity:.3;margin:0 var(--space-xs)}.site-nav__back{font-family:var(--font-sans);font-size:.95rem;font-weight:var(--font-weight-medium);color:inherit;text-decoration:none;opacity:.8;display:flex;align-items:center;gap:.25rem;padding:.5rem 1rem .5rem 0;transition:opacity .2s ease,transform .2s ease}.site-nav__back--flush{padding:0}.site-nav__back-arrow{margin-right:6px}.site-nav__back:hover{opacity:1;transform:translate(-2px)}.site-nav__course-title{font-family:var(--font-display);font-size:1rem;font-weight:var(--font-weight-semibold);letter-spacing:var(--letter-spacing-snug);color:inherit;opacity:.9;flex:1;text-align:center}.site-nav__presentation-context{display:flex;align-items:baseline;justify-content:center;flex:1;min-width:0;gap:clamp(.78rem,1.6vw,1.15rem);color:inherit;text-align:center;font-size:clamp(1.18rem,1.8vw,1.42rem);line-height:1.05}.site-nav__presentation-title{min-width:0;overflow:hidden;font-family:var(--font-display);font-size:1em;font-weight:var(--font-weight-semibold);letter-spacing:var(--letter-spacing-snug);text-overflow:ellipsis;white-space:nowrap}.site-nav__presentation-date{flex:0 0 auto;font-size:1em;font-weight:var(--font-weight-medium);white-space:nowrap}.site-nav__links{display:flex;gap:var(--space-lg);align-items:center;font-weight:var(--font-weight-medium)}.site-nav__links a{color:inherit;text-decoration:none;opacity:.88;transition:opacity .2s}.site-nav__links a:hover{opacity:1}.site-nav__actions{display:flex;gap:var(--space-md);align-items:center}.site-nav__mobile-menu-button,.site-nav__mobile-menu{display:none}.site-nav__mobile-menu-button{align-items:center;justify-content:center;flex:0 0 auto;width:2.5rem;height:2.5rem;border:1px solid color-mix(in srgb,var(--color-line-strong) 72%,transparent);border-radius:50%;background:color-mix(in srgb,var(--color-bg) 82%,transparent);color:var(--color-primary-text);box-shadow:0 3px 9px color-mix(in srgb,black 10%,transparent),inset 0 -2px color-mix(in srgb,var(--brand-primary) 22%,transparent);cursor:pointer;transition:border-color var(--motion-fast),background-color var(--motion-fast),transform var(--motion-fast)}.site-nav__mobile-menu-icon{width:1.28rem;height:1.28rem;overflow:visible}.site-nav__mobile-menu-icon-line{fill:none;stroke:currentColor;stroke-linecap:round;stroke-width:2.15;vector-effect:non-scaling-stroke;transform-box:fill-box;transform-origin:center;transition:opacity var(--motion-fast),transform var(--motion-fast)}.site-nav__mobile-menu-button[aria-expanded=true] .site-nav__mobile-menu-icon-line--top{transform:translateY(5px) rotate(45deg)}.site-nav__mobile-menu-button[aria-expanded=true] .site-nav__mobile-menu-icon-line--middle{opacity:0;transform:scaleX(.4)}.site-nav__mobile-menu-button[aria-expanded=true] .site-nav__mobile-menu-icon-line--bottom{transform:translateY(-5px) rotate(-45deg)}.site-nav__mobile-menu-button:hover,.site-nav__mobile-menu-button:focus-visible{border-color:color-mix(in srgb,var(--brand-primary) 34%,var(--color-line-strong));background:color-mix(in srgb,var(--brand-primary) 10%,var(--color-bg));transform:translateY(-1px)}.site-nav__mobile-menu{position:fixed;top:calc(var(--navbar-bottom, var(--navbar-height)) + var(--space-xs));right:max(var(--space-sm),env(safe-area-inset-right));left:max(var(--space-sm),env(safe-area-inset-left));z-index:var(--z-modal);max-height:calc(100dvh - var(--navbar-bottom, var(--navbar-height)) - var(--space-lg));overflow:auto;color:var(--color-primary-text);pointer-events:none}.site-nav__mobile-links{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:var(--space-xs);padding:0;pointer-events:auto}.site-nav__mobile-link{display:inline-flex;align-items:center;justify-content:center;min-height:2.65rem;padding:0 var(--space-lg);border:1px solid color-mix(in srgb,var(--brand-primary) 18%,transparent);border-radius:var(--radius-pill);background:color-mix(in srgb,var(--color-bg) 88%,transparent);color:inherit;text-decoration:none;font-family:var(--font-display);font-weight:var(--font-weight-semibold);box-shadow:0 9px 22px color-mix(in srgb,black 10%,transparent),inset 0 -2px color-mix(in srgb,var(--brand-primary) 18%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:background-color var(--motion-fast),border-color var(--motion-fast),transform var(--motion-fast)}.site-nav__mobile-link--back{border-color:color-mix(in srgb,var(--brand-quaternary) 28%,transparent);background:color-mix(in srgb,var(--brand-quaternary) 12%,var(--color-bg))}.site-nav__mobile-link:hover,.site-nav__mobile-link:focus-visible{border-color:color-mix(in srgb,var(--brand-primary) 34%,var(--color-line-strong));background:color-mix(in srgb,var(--brand-primary) 10%,var(--color-bg));transform:translateY(-1px)}.site-nav__theme-minimal-switch{--theme-switch-tone: var(--brand-primary);position:relative;width:4.05rem;height:2.48rem;overflow:visible;border:0;border-radius:0;background:transparent;color:var(--color-primary-text);box-shadow:none;transition:background-color var(--motion-fast),box-shadow var(--motion-fast)}.site-nav__theme-minimal-switch.is-light{--theme-switch-tone: var(--brand-primary)}.site-nav__theme-minimal-track{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:center;justify-items:center;pointer-events:none}.site-nav__theme-minimal-slot{color:color-mix(in srgb,var(--theme-switch-tone) 82%,var(--color-primary-text));font-size:.9rem;line-height:1;opacity:.72;transition:opacity var(--motion-fast),transform var(--motion-fast)}.site-nav__theme-minimal-thumb{position:absolute;top:50%;left:.08rem;display:inline-flex;align-items:center;justify-content:center;width:2.22rem;height:2.22rem;border:1px solid color-mix(in srgb,var(--color-line-strong) 62%,transparent);border-radius:50%;background:color-mix(in srgb,var(--color-bg) 86%,transparent);box-shadow:0 3px 9px color-mix(in srgb,black 12%,transparent),inset 0 -2px color-mix(in srgb,var(--theme-switch-tone) 26%,transparent);transform:translateY(-50%);transition:transform .26s cubic-bezier(.16,1,.3,1),border-color var(--motion-fast),background-color var(--motion-fast),box-shadow var(--motion-fast)}.site-nav__theme-minimal-switch.is-light .site-nav__theme-minimal-thumb{transform:translate(calc(100% - .55rem),-50%)}.site-nav__theme-minimal-thumb-icon{position:relative;z-index:1;font-size:.88rem;line-height:1}.site-nav__theme-minimal-switch:hover,.site-nav__theme-minimal-switch:focus-visible,.icon-button--ghost.site-nav__theme-minimal-switch:hover,.icon-button--ghost.site-nav__theme-minimal-switch:focus-visible{background:transparent;color:var(--color-primary-text);box-shadow:none;outline:none;transform:none}.site-nav__theme-minimal-switch:hover .site-nav__theme-minimal-thumb,.site-nav__theme-minimal-switch:focus-visible .site-nav__theme-minimal-thumb{border-color:color-mix(in srgb,var(--color-line-strong) 62%,transparent);background:color-mix(in srgb,var(--theme-switch-tone) 12%,var(--color-bg));box-shadow:0 3px 9px color-mix(in srgb,black 12%,transparent),inset 0 -2px color-mix(in srgb,var(--theme-switch-tone) 42%,transparent)}.site-nav__theme-minimal-switch:hover .site-nav__theme-minimal-slot,.site-nav__theme-minimal-switch:focus-visible .site-nav__theme-minimal-slot{opacity:.86}.site-footer{padding:var(--space-2xl) 0 var(--footer-offset);position:fixed;bottom:calc(max(calc(100vh - var(--deck-card-start-offset) - var(--deck-card-height)),calc(100vh - var(--deck-card-start-offset) - var(--deck-card-max-height))) + var(--deck-edge-bottom, 12px) + 120px);left:0;right:0;z-index:0;opacity:var(--footer-opacity, 1);filter:var(--footer-filter, blur(0px));transition:opacity .8s cubic-bezier(.16,1,.3,1),filter .8s cubic-bezier(.16,1,.3,1)}.site-footer__inner{width:calc(100% - var(--deck-card-width-offset));max-width:var(--deck-card-max-width);margin:0 auto;display:flex;flex-direction:column;gap:var(--space-xl);padding-top:calc(var(--route-page-tag-space, 64px) + var(--space-sm))}.site-footer__brand-block{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);flex:1;justify-content:center;padding:var(--space-lg) 0;text-align:center}.site-footer__brand-wordmark{display:flex;align-items:center;justify-content:center;gap:4px;flex:none}.site-footer__brand-logo{width:clamp(4rem,6.5vw,5.5rem);height:clamp(4rem,6.5vw,5.5rem);flex-shrink:0;object-fit:contain;filter:drop-shadow(0 12px 28px rgba(20,26,35,.14))}.site-footer__brand-name{margin:0;display:inline-block;font-family:var(--font-display);font-size:clamp(3rem,6vw,5rem);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-tight);line-height:1;color:var(--app-shell-text)}.site-footer__brand-description{margin:0;flex:none;max-width:42rem;font-size:clamp(.95rem,1.3vw,1.15rem);line-height:1.5;color:var(--app-shell-text-muted);opacity:.88}.site-footer__notes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:var(--space-xl) var(--space-lg);align-items:start}@media (min-width: 900px){.site-footer__note:nth-child(1){margin-top:0;margin-bottom:calc(var(--space-lg) * 1)}.site-footer__note:nth-child(2){margin-top:calc(var(--space-lg) * .5);margin-bottom:calc(var(--space-lg) * .5)}.site-footer__note:nth-child(3){margin-top:calc(var(--space-lg) * 1);margin-bottom:0}}.site-footer__note{--note-accent: var(--brand-primary);padding:var(--space-md) var(--space-lg) var(--space-md);overflow:hidden;transition:background var(--motion-base),box-shadow var(--motion-base),transform var(--motion-base)}.site-footer__note:before{display:none}.site-footer__note:hover{transform:translateY(-2px);background:color-mix(in srgb,var(--note-accent) 8%,var(--section-card-bg));box-shadow:var(--shadow-card),0 12px 36px color-mix(in srgb,var(--note-accent) 18%,transparent),inset var(--surface-edge-size) 0 0 color-mix(in srgb,var(--note-accent) 92%,transparent)}.site-footer__note--primary{--note-accent: var(--brand-primary)}.site-footer__note--quaternary{--note-accent: var(--brand-quaternary)}.site-footer__note--tertiary{--note-accent: var(--brand-tertiary)}.site-footer__note-body{display:flex;flex-direction:column;gap:var(--space-xs)}.site-footer__note-title{margin:0;font-size:clamp(1.05rem,1.5vw,1.3rem);font-weight:var(--font-weight-semibold);line-height:1.35;color:var(--color-text);transition:color var(--motion-base)}.site-footer__note-copy{margin:0;font-size:clamp(.85rem,1.1vw,.95rem);line-height:1.7;color:var(--color-text-muted);transition:color var(--motion-base)}.site-footer__note-actions{margin-top:var(--space-xs);padding-top:0}.site-footer__note-actions .btn{min-width:min(100%,12rem)}.site-footer__meta{position:relative;width:100%;display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);padding-top:var(--space-md);padding-bottom:var(--space-lg);border-top:1px solid color-mix(in srgb,var(--app-shell-text) 42%,transparent);color:var(--app-shell-text-muted)}.site-footer__meta-links{display:flex;flex-wrap:wrap;gap:var(--space-lg)}.site-footer__meta a{color:var(--app-shell-text-muted);font-size:var(--font-size-body-sm);font-weight:var(--font-weight-medium);text-decoration:none;transition:color var(--motion-fast)}.site-footer__meta a:hover{color:var(--app-shell-text)}.site-footer__meta-year{margin:0;font-size:var(--font-size-caption)}@media (prefers-reduced-motion: reduce){.site-footer__note{transition:none}}.home-section--divided{border-top:var(--section-divider)}.home-section--lesson{padding-top:var(--lesson-section-offset-top)}.hero-section{padding-top:var(--space-3xl);padding-bottom:var(--space-2xl);overflow:visible}.section-intro{margin-bottom:clamp(1.05rem,2.2vh,var(--space-2xl));max-width:var(--section-intro-max)}.section-intro--centered{margin:0 auto clamp(1.05rem,2.2vh,var(--space-2xl));text-align:center}.section-intro__text{margin:0}.home-copy-stack{display:flex;flex-direction:column;gap:0}.home-copy-stack>*{margin:0}.home-copy-stack--spaced{gap:var(--space-xs)}.home-aha-copy{display:grid;gap:var(--space-md);max-width:var(--measure)}.home-aha-copy p{margin:0}.home-mini-list{display:grid;gap:var(--space-2xs);padding:0;margin:var(--space-xs) 0 0;list-style:none}.home-mini-list li{position:relative;padding-left:1.1rem;color:var(--color-secondary-text)}.home-mini-list li:before{content:"";position:absolute;top:.72rem;left:0;width:7px;height:7px;border-radius:50%;background:var(--color-accent)}.home-process{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(.85rem,1.6vw,var(--space-lg));align-items:stretch}.home-process__row{display:flex;gap:clamp(.75rem,1.5vw,var(--space-lg));align-items:flex-start}.home-process__number{flex:0 0 auto;min-width:clamp(3.4rem,6vw,5rem);font-size:clamp(2.4rem,6.5vw,var(--font-size-display));opacity:.25;line-height:1}.home-process__number--primary{color:var(--brand-primary)}.home-process__number--secondary{color:var(--brand-secondary)}.home-process__number--tertiary{color:var(--brand-tertiary)}.home-process__number--quaternary{color:var(--brand-quaternary)}.home-process__step{position:relative;min-width:0;max-width:none}.home-aha-note{max-width:var(--measure);margin:var(--space-xl) 0 0}.home-process__inline-note{padding-top:var(--space-xs);border-top:1px solid var(--color-line);font-size:var(--font-size-body-sm)}.home-aha-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-lg);align-items:stretch}.home-aha-card{min-height:100%}.home-aha-card p{margin:0}.home-aha-result{padding-top:var(--space-sm);border-top:1px solid var(--color-line)}.home-audience{display:grid;grid-template-columns:.45fr .55fr;gap:var(--space-3xl);align-items:start}.home-audience__sticky{position:sticky;top:var(--space-3xl)}.home-audience__lead{margin-top:var(--space-md)}.home-audience__cards{display:flex;flex-direction:column;gap:var(--space-md)}.home-audience__card{padding:var(--space-xl) var(--space-2xl)}.home-audience__card--primary{--note-accent: var(--brand-primary)}.home-audience__card--secondary{--note-accent: var(--brand-secondary)}.home-audience__card--quaternary{--note-accent: var(--brand-quaternary)}.home-audience__card--offset{margin-left:var(--space-xl)}.home-benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr));gap:clamp(.75rem,1.5vw,var(--space-md))}.home-benefits__text{margin:var(--space-xs) 0 0;font-size:clamp(.9rem,1.08vw,var(--font-size-body));line-height:1.48}.home-lesson{overflow:hidden;--accent-surface-shadow: 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li{font-size:clamp(.88rem,1vw,.98rem);line-height:1.38}.home-lesson__note{max-width:var(--measure-compact);margin:var(--space-md) 0 0;font-size:var(--font-size-body-sm);line-height:1.48}.hero-layout{display:grid;grid-template-columns:1.1fr 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var(--space-lg)}.site-footer__inner{width:100%;gap:var(--space-md);padding-top:0}.site-footer__brand-block{flex-direction:column;align-items:flex-start;padding:var(--space-md) 0}.site-footer__brand-wordmark,.site-footer__brand-description{flex:none}.site-footer__brand-wordmark{justify-content:flex-start}.site-footer__brand-description{font-size:var(--font-size-body)}.site-footer__notes-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-lg)}.site-footer__meta{padding-top:var(--space-md)}.home-audience__sticky{position:static;top:auto}.hero-layout,.home-aha-grid,.home-audience,.home-benefits-grid{grid-template-columns:1fr}.hero-copy{padding-right:0}.hero-dock{margin-right:0;height:auto;margin-top:var(--space-lg)}.hero-note{position:relative;left:0;bottom:0;margin-top:var(--space-md)}.home-process__step,.home-process__step--02,.home-process__step--03,.home-process__step--04{max-width:none;margin-left:0}.home-lesson__header,.home-lesson__player{flex-direction:column;align-items:flex-start}}@media (max-width: 1200px){.site-nav--course{padding-block:var(--space-xs)}.site-nav--course .site-nav__inner{display:grid;grid-template-columns:auto 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.site-nav__theme-minimal-switch.is-light .site-nav__theme-minimal-thumb{transform:translate(calc(100% - .48rem),-50%)}.site-nav--course .btn--md{padding:.62rem 1.05rem;font-size:var(--font-size-body-sm)}}@media (max-width: 768px){.hero-dock{margin-right:0}.hero-copy{padding-top:var(--space-xl)}.hero-note{position:static;left:auto;bottom:auto;max-width:none;margin-top:var(--space-md)}.home-process{grid-template-columns:1fr;gap:var(--space-md)}.home-process__step,.home-process__step--02,.home-process__step--03,.home-process__step--04{max-width:none;margin-left:0;margin-top:0}.home-lesson__cards{grid-template-columns:1fr}.home-audience__card--offset{margin-left:0}.site-footer__brand-logo{width:clamp(2.9rem,10vw,3.8rem);height:clamp(2.9rem,10vw,3.8rem)}.site-footer__brand-name{font-size:clamp(1.9rem,9vw,3rem)}.site-footer__notes-grid{grid-template-columns:1fr}.site-footer__meta{flex-direction:column;align-items:flex-start}.home-lesson__player,.home-lesson__progress{width:100%}.hero-actions{width:100%;flex-direction:column}.hero-actions>*{width:100%}.hero-dock__panel{min-height:var(--hero-dock-min-height);padding:var(--space-xl);border-right:1px solid var(--color-line)}.hero-dock__glow{display:none}}@media (max-width: 640px){.site-nav__inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;column-gap:var(--space-sm)}.site-nav__mobile-menu-button{grid-column:1;justify-self:start}.site-nav__brand,.site-nav__brand-group{grid-column:2;justify-self:center;max-width:100%;min-width:0;overflow:hidden;white-space:nowrap}.site-nav__brand-group{gap:0}.site-nav__actions{grid-column:3;width:auto;justify-content:flex-end;justify-self:end}.site-nav--presentation .site-nav__actions{width:auto;gap:var(--space-xs)}.site-nav--presentation .site-nav__brand{font-size:clamp(1.25rem,7vw,1.7rem)}.site-nav__presentation-context{display:none}.site-nav--course .site-nav__brand-group{min-width:0}.site-nav--course .site-nav__brand{font-size:clamp(1.25rem,7vw,1.7rem);min-width:0}.site-nav--course .site-nav__brand-divider,.site-nav--course .site-nav__brand-dot,.site-nav--course .site-nav__back,.site-nav--course .site-nav__course-title{display:none}.site-nav--course .site-nav__actions{width:auto;gap:var(--space-xs)}.site-footer__brand-wordmark{align-items:flex-start}.hero-actions{width:100%;flex-direction:column}.home-audience__card--offset{margin-left:0}.home-lesson__body{padding:var(--space-lg)}.site-footer__note{padding-right:var(--space-md);padding-left:var(--space-md)}.deck-tab{min-height:34px;padding:0 var(--space-sm)}}@media (max-width: 480px){.site-nav{padding:var(--space-xs)}.site-nav__brand{font-size:1.55rem}.site-nav__brand-logo,.site-nav__brand-spacer{height:1.42em}.site-nav__inner{padding:0 var(--space-xs);gap:var(--space-xs)}.site-nav__actions{gap:var(--space-xs)}.site-nav__mobile-menu-button{width:2.25rem;height:2.25rem}.site-nav__theme-minimal-switch{width:3.65rem;height:2.2rem}.site-nav__theme-minimal-thumb{width:2rem;height:2rem}.site-nav__theme-minimal-switch.is-light .site-nav__theme-minimal-thumb{transform:translate(calc(100% - .45rem),-50%)}.site-nav .btn--md{padding:var(--space-xs) var(--space-md);font-size:var(--font-size-body-sm)}.site-nav--course .site-nav__brand{font-size:1.35rem}.site-nav--course .site-nav__back{width:1.7rem;max-width:1.7rem;justify-content:center;overflow:hidden;white-space:nowrap;font-size:0}.site-nav--course .site-nav__back-arrow{margin-right:0;font-size:.96rem}.hero-copy{padding-top:var(--space-lg);gap:var(--space-md)}.home-lesson__body{padding:var(--space-lg)}.site-footer__brand-wordmark{gap:2px}.site-footer__note-actions .btn{width:100%}.site-footer__meta-links{gap:var(--space-sm) var(--space-md)}}.bug-catcher{--pet-scale: 1;--pet-fur: #fbfaf6;--pet-fur-soft: color-mix(in srgb, var(--brand-tertiary) 12%, var(--pet-fur));--pet-line: color-mix(in srgb, #1f2937 76%, var(--brand-secondary));--pet-cheek: color-mix(in srgb, var(--brand-primary) 34%, #ffffff);--pet-eye: #17202c;position:fixed;left:0;top:0;z-index:calc(var(--z-assistant) - 4);width:58px;height:58px;padding:0;border:0;background:transparent;color:inherit;cursor:pointer;pointer-events:auto;transform:translate3d(var(--bug-x),var(--bug-y),0);transition:transform .92s cubic-bezier(.22,.9,.26,1)}.bug-catcher:focus-visible{outline:none}.bug-catcher:focus-visible .bug-catcher__bunny{box-shadow:var(--shadow-focus-ring)}.bug-catcher__shadow{position:absolute;left:10px;right:10px;bottom:3px;height:9px;border-radius:999px;background:color-mix(in srgb,#000000 22%,transparent);filter:blur(3px);opacity:.72;transition:transform var(--motion-fast),opacity var(--motion-fast)}.bug-catcher__bunny{position:absolute;left:3px;top:0;width:52px;height:56px;border-radius:999px;transform:scale(var(--pet-scale));transform-origin:50% 82%;transition:transform .28s cubic-bezier(.16,1,.3,1),filter var(--motion-fast)}.bug-catcher:hover .bug-catcher__bunny{filter:drop-shadow(0 9px 14px color-mix(in srgb,var(--brand-secondary) 20%,transparent));transform:scale(var(--pet-scale)) translateY(-5px) rotate(-3deg)}.bug-catcher:hover .bug-catcher__shadow{opacity:.46;transform:scaleX(.82)}.bug-catcher__body,.bug-catcher__head,.bug-catcher__ear,.bug-catcher__face,.bug-catcher__paw,.bug-catcher__spark,.bug-catcher__tail{position:absolute;display:block}.bug-catcher__body{left:13px;top:28px;width:28px;height:25px;border-radius:52% 52% 46% 46%;border:2px solid var(--pet-line);background:radial-gradient(circle at 50% 68%,color-mix(in srgb,#ffffff 76%,transparent) 0 7px,transparent 8px),linear-gradient(145deg,var(--pet-fur),var(--pet-fur-soft));box-shadow:0 8px 18px color-mix(in srgb,#000000 18%,transparent)}.bug-catcher__body:after{content:"";position:absolute;left:12px;top:9px;width:4px;height:4px;border-radius:999px;background:color-mix(in srgb,var(--brand-secondary) 74%,var(--color-primary-text));box-shadow:-6px 5px color-mix(in srgb,var(--brand-primary) 70%,var(--color-primary-text)),6px 6px color-mix(in srgb,var(--brand-tertiary) 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32%,transparent)}.bug-catcher__ear--left{left:15px;transform:rotate(-16deg)}.bug-catcher__ear--right{left:27px;transform:rotate(14deg)}.bug-catcher__tail{right:1px;top:34px;width:12px;height:12px;border-radius:999px;border:2px solid var(--pet-line);background:#fff}.bug-catcher__face{left:18px;top:23px;width:17px;height:13px}.bug-catcher__face:before{content:"";position:absolute;left:1px;top:0;width:3px;height:3px;border-radius:999px;background:var(--pet-eye);box-shadow:10px 0 0 var(--pet-eye)}.bug-catcher__face:after{content:"";position:absolute;left:6px;top:5px;width:5px;height:4px;border-radius:60% 60% 70% 70%;background:color-mix(in srgb,var(--brand-primary) 68%,var(--color-primary-text));box-shadow:0 4px 0 -1px color-mix(in srgb,var(--pet-eye) 82%,transparent)}.bug-catcher__paw{top:45px;width:10px;height:7px;border:2px solid var(--pet-line);border-radius:999px;background:color-mix(in srgb,#ffffff 86%,var(--brand-secondary))}.bug-catcher__paw--left{left:13px;transform:rotate(11deg)}.bug-catcher__paw--right{left:31px;transform:rotate(-11deg)}.bug-catcher__spark{right:-1px;top:18px;width:10px;height:10px;background:var(--brand-secondary);clip-path:polygon(50% 0,64% 36%,100% 50%,64% 64%,50% 100%,36% 64%,0 50%,36% 36%);filter:drop-shadow(0 3px 5px color-mix(in srgb,var(--brand-secondary) 34%,transparent))}.bug-catcher.is-walking .bug-catcher__bunny{animation:bug-catcher-hop .52s ease-in-out infinite}.bug-catcher.is-walking .bug-catcher__ear--left{animation:bug-catcher-ear-left .52s ease-in-out infinite}.bug-catcher.is-walking .bug-catcher__ear--right{animation:bug-catcher-ear-right .52s ease-in-out infinite}.bug-catcher.is-walking .bug-catcher__paw--left{animation:bug-catcher-paw-left .52s ease-in-out infinite}.bug-catcher.is-walking .bug-catcher__paw--right{animation:bug-catcher-paw-right .52s ease-in-out infinite}.bug-catcher.is-caught{pointer-events:none}.bug-catcher.is-caught .bug-catcher__bunny{animation:bug-catcher-greet .34s cubic-bezier(.16,1,.3,1) forwards}.bug-catcher.is-caught .bug-catcher__shadow{opacity:.35;transform:scaleX(.72)}.bug-catcher-dialog{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-assistant);display:grid;place-items:center;padding:var(--space-lg);background:color-mix(in srgb,var(--color-bg) 44%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.bug-catcher-dialog__panel{--bug-dialog-accent: var(--brand-tertiary);position:relative;overflow:hidden;width:min(100%,460px);border:0;border-radius:var(--radius-md);background:color-mix(in srgb,var(--color-bg) 96%,transparent);color:var(--color-primary-text);box-shadow:0 12px 34px #0003,inset var(--surface-edge-size) 0 0 var(--bug-dialog-accent);padding:clamp(1rem,3.2vw,var(--space-xl));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.bug-catcher-dialog__header{display:flex;align-items:center;gap:var(--space-md)}.bug-catcher-dialog__mark{position:relative;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:2.35rem;height:2.35rem;border-radius:999px;background:color-mix(in srgb,var(--bug-dialog-accent) 14%,transparent);color:color-mix(in srgb,var(--bug-dialog-accent) 86%,var(--color-primary-text));box-shadow:inset 0 0 0 1px color-mix(in srgb,currentColor 10%,transparent)}.bug-catcher-dialog__mark:before{content:"";position:absolute;left:.63rem;top:.62rem;width:1.08rem;height:.9rem;border:2px solid currentColor;border-radius:.48rem .48rem .48rem .16rem;background:color-mix(in srgb,#ffffff 34%,transparent)}.bug-catcher-dialog__mark:after{content:"";position:absolute;left:1.14rem;top:.82rem;width:2px;height:.42rem;border-radius:999px;background:currentColor;box-shadow:0 .58rem 0 currentColor}.bug-catcher-dialog__mark--saved{background:color-mix(in srgb,var(--brand-secondary) 14%,transparent);color:color-mix(in srgb,var(--brand-secondary) 78%,var(--color-primary-text))}.bug-catcher-dialog__mark--saved:before{left:.7rem;top:.72rem;width:.9rem;height:.5rem;border:0;border-left:2px solid currentColor;border-bottom:2px solid currentColor;border-radius:0;background:transparent;transform:rotate(-45deg)}.bug-catcher-dialog__mark--saved:after{display:none}.bug-catcher-dialog h2{margin:0;font-size:clamp(1.16rem,2.6vw,1.46rem);letter-spacing:0;line-height:1.16}.bug-catcher-dialog__copy{margin:var(--space-md) 0 0;color:var(--color-secondary-text);line-height:1.55}.bug-catcher-dialog__actions{display:flex;justify-content:flex-end;gap:var(--space-sm);margin-top:var(--space-lg)}.bug-catcher-form{display:grid;gap:var(--space-md)}.bug-catcher-form__page{display:grid;gap:.15rem;border:1px solid var(--color-line);border-radius:calc(var(--radius-md) - 3px);background:color-mix(in srgb,var(--color-surface) 82%,transparent);padding:var(--space-sm) var(--space-md)}.bug-catcher-form__page span,.bug-catcher-form__field span{color:var(--color-secondary-text);font-size:var(--font-size-body-sm);font-weight:var(--font-weight-semibold)}.bug-catcher-form__page strong{line-height:1.35}.bug-catcher-form__page small{color:var(--color-muted-text);line-height:1.45;overflow-wrap:anywhere}.bug-catcher-form__field{display:grid;gap:var(--space-sm)}.bug-catcher-form__type{display:grid;gap:var(--space-sm);min-width:0;margin:0;padding:0;border:0}.bug-catcher-form__type legend{margin:0;padding:0;color:var(--color-secondary-text);font-size:var(--font-size-body-sm);font-weight:var(--font-weight-semibold)}.bug-catcher-form__type-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-xs)}.bug-catcher-form__type-button{min-height:2.45rem;border:1px solid var(--color-line-strong);border-radius:calc(var(--radius-md) - 6px);background:color-mix(in srgb,var(--color-surface) 82%,transparent);color:var(--color-secondary-text);font:inherit;font-size:var(--font-size-body-sm);font-weight:var(--font-weight-semibold);cursor:pointer;transition:background-color var(--motion-fast),border-color var(--motion-fast),color var(--motion-fast),box-shadow var(--motion-fast),transform var(--motion-fast)}.bug-catcher-form__type-button:hover,.bug-catcher-form__type-button:focus-visible{outline:none;border-color:color-mix(in srgb,var(--bug-dialog-accent) 52%,var(--color-line-strong));color:var(--color-primary-text);transform:translateY(-1px)}.bug-catcher-form__type-button.is-active{border-color:color-mix(in srgb,var(--bug-dialog-accent) 62%,var(--color-line-strong));background:color-mix(in srgb,var(--bug-dialog-accent) 12%,var(--color-surface-strong));color:color-mix(in srgb,var(--bug-dialog-accent) 78%,var(--color-primary-text));box-shadow:0 10px 24px color-mix(in srgb,var(--bug-dialog-accent) 12%,transparent)}.bug-catcher-form__field textarea{width:100%;resize:vertical;min-height:8.5rem;border:1px solid var(--color-line-strong);border-radius:calc(var(--radius-md) - 3px);background:var(--color-surface-strong);color:var(--color-primary-text);font:inherit;line-height:1.5;padding:.9rem 1rem;outline:none;transition:border-color var(--motion-fast),box-shadow var(--motion-fast)}.bug-catcher-form__field textarea:focus{border-color:var(--color-accent);box-shadow:var(--shadow-focus-ring)}.bug-catcher-form__error{margin:0;color:color-mix(in srgb,var(--state-error) 84%,var(--color-primary-text));font-size:var(--font-size-body-sm);font-weight:var(--font-weight-semibold)}@keyframes bug-catcher-hop{0%,to{transform:scale(var(--pet-scale)) translateY(0) rotate(-2deg)}50%{transform:scale(var(--pet-scale)) translateY(-5px) rotate(3deg)}}@keyframes bug-catcher-ear-left{0%,to{transform:rotate(-16deg)}50%{transform:rotate(-23deg)}}@keyframes bug-catcher-ear-right{0%,to{transform:rotate(14deg)}50%{transform:rotate(21deg)}}@keyframes bug-catcher-paw-left{0%,to{transform:translateY(0) rotate(11deg)}50%{transform:translateY(2px) rotate(20deg)}}@keyframes bug-catcher-paw-right{0%,to{transform:translateY(0) rotate(-11deg)}50%{transform:translateY(2px) rotate(-20deg)}}@keyframes bug-catcher-greet{0%{transform:scale(var(--pet-scale)) translateY(0) rotate(-3deg)}58%{transform:scale(var(--pet-scale)) translateY(-10px) rotate(8deg);filter:saturate(1.08)}to{transform:scale(var(--pet-scale)) translateY(-3px) rotate(2deg);filter:saturate(1)}}@media (max-width: 760px){.bug-catcher{--pet-scale: .82;width:48px;height:48px}.bug-catcher-dialog{align-items:end;padding:var(--space-md)}.bug-catcher-dialog__panel{border-radius:calc(var(--radius-md) - 2px);padding:var(--space-md)}.bug-catcher-dialog__actions{flex-wrap:wrap}.bug-catcher-dialog__actions .btn{flex:1 1 9rem}}@media (prefers-reduced-motion: reduce){.bug-catcher,.bug-catcher__bunny,.bug-catcher__shadow,.bug-catcher__ear,.bug-catcher__paw,.bug-catcher__spark{animation:none!important;transition-duration:.01ms!important}}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:clip;overflow-y:scroll;scrollbar-gutter:stable both-edges}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}body{margin:0;padding:0;overflow-x:clip;scrollbar-gutter:stable both-edges;font-family:var(--font-sans);background:var(--color-bg);color:var(--color-primary-text);line-height:var(--line-height-body);transition:background var(--motion-base),color var(--motion-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;display:block}a{color:inherit;text-decoration:none;transition:color var(--motion-fast)}a:hover{color:var(--color-accent)}button{font-family:inherit}.display{font-family:var(--font-display);font-size:var(--font-size-display);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-tight);line-height:var(--line-height-heading)}.hero-title{font-family:var(--font-display);font-size:var(--font-size-hero);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-tight);line-height:.9;color:var(--color-primary-text)}h1,.h1{font-family:var(--font-display);font-size:var(--font-size-h1);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-tight);line-height:var(--line-height-heading);margin-top:0}h2,.h2{font-size:var(--font-size-h2);font-weight:var(--font-weight-bold);line-height:var(--line-height-heading);margin-top:0}h3,.h3{font-size:var(--font-size-h3);font-weight:var(--font-weight-semibold);line-height:var(--line-height-heading);margin-top:0}.body-lg{font-size:var(--font-size-body-lg);line-height:var(--line-height-relaxed)}.text-secondary{color:var(--color-secondary-text)}.text-muted{color:var(--color-muted-text)}.mono{font-family:var(--font-mono)}.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--space-page-x)}:root{--section-divider: 1px solid rgba(20, 26, 35, .06)}[data-theme=dark]{--section-divider: 1px solid rgba(255, 255, 255, .05)}::selection{background:#f973162e;color:inherit}.studio-shell{--studio-container-max: min(1760px, calc(100vw - 2rem) );--studio-surface-shadow: 0 24px 72px rgba(15, 23, 35, .14);--studio-panel-bg: var(--deck-card-bg);--studio-card-bg: var(--deck-card-bg);--studio-card-bg-strong: color-mix(in srgb, var(--color-surface-strong) 88%, transparent);--studio-card-border: color-mix(in srgb, var(--section-card-border) 86%, var(--color-line));--studio-card-border-top: var(--deck-card-border-top);--studio-card-backdrop-blur: var(--deck-card-backdrop-blur);--studio-major-shadow: 0 2px 12px rgba(0, 0, 0, .08), 0 8px 32px rgba(0, 0, 0, .04);display:flex;flex-direction:column;min-height:100vh;height:100vh;overflow:hidden;overscroll-behavior:none;background:radial-gradient(circle at top center,color-mix(in srgb,var(--brand-primary) 8%,transparent),transparent 38%),linear-gradient(180deg,color-mix(in srgb,var(--color-bg) 6%,transparent),transparent 24%),var(--app-shell-bg);color:var(--color-primary-text)}.studio-shell--document{min-height:100vh;height:auto;overflow:visible;overscroll-behavior:auto}[data-theme=dark] .studio-shell{--studio-major-shadow: 0 2px 12px rgba(0, 0, 0, .15), 0 8px 32px rgba(0, 0, 0, .1)}.studio-shell__header{position:sticky;top:0;z-index:var(--z-sticky-nav);padding:0}.studio-shell__header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);width:100%;max-width:var(--studio-container-max);margin:0 auto;box-sizing:border-box;padding:var(--space-sm) var(--space-page-x);border:1px solid rgba(128,128,128,.08);border-top:0;border-radius:0 0 var(--radius-lg) var(--radius-lg);background:color-mix(in srgb,var(--color-surface-strong) 94%,transparent);-webkit-backdrop-filter:blur(var(--studio-card-backdrop-blur));backdrop-filter:blur(var(--studio-card-backdrop-blur));box-shadow:var(--shadow-card-strong)}[data-theme=dark] .studio-shell__header-inner{border-top:1px solid rgba(255,255,255,.1);background:color-mix(in srgb,var(--color-surface-elevated) 94%,transparent)}.studio-shell__brand-group,.studio-shell__actions{display:flex;align-items:center;gap:var(--space-md)}.studio-shell__brand{display:inline-flex;align-items:center;gap:0;font-family:var(--font-display);font-size:1.65rem;font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-tight)}.studio-shell__brand-logo{height:1.6em;margin-right:-2px}.studio-shell__brand-copy{display:flex;flex-direction:column;gap:.1rem}.studio-shell__eyebrow,.studio-page__eyebrow{font-size:var(--font-size-caption);font-weight:var(--font-weight-semibold);letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted-text)}.studio-shell__back-link{display:inline-flex;align-items:center;min-height:2.25rem;padding:0 .9rem;border:1px solid color-mix(in srgb,var(--color-line-strong) 84%,var(--color-line));border-radius:var(--radius-pill);background:color-mix(in srgb,var(--color-surface-strong) 80%,transparent);color:var(--color-secondary-text);text-decoration:none;box-shadow:0 1px color-mix(in srgb,var(--color-primary-text) 8%,transparent);transition:color var(--motion-fast),border-color var(--motion-fast),background-color var(--motion-fast),transform var(--motion-fast)}.studio-shell__back-link:hover,.studio-shell__back-link:focus-visible{color:var(--color-primary-text);border-color:color-mix(in srgb,var(--brand-primary) 28%,var(--color-line));background:color-mix(in srgb,var(--brand-primary) 10%,var(--color-surface-strong));transform:translateY(-1px)}.studio-shell__nav{--studio-shell-nav-count: 2;--studio-shell-nav-active-index: 0;position:relative;display:grid;grid-template-columns:repeat(var(--studio-shell-nav-count),minmax(6.5rem,1fr));align-items:center;gap:0;min-height:2.48rem;padding:.08rem;border:0;border-radius:0;background:transparent;box-shadow:none;isolation:isolate}.studio-shell__nav:before{content:"";position:absolute;top:50%;left:.08rem;z-index:0;width:calc((100% - .16rem) / var(--studio-shell-nav-count));height:2.22rem;border:1px solid color-mix(in srgb,var(--color-line-strong) 62%,transparent);border-radius:var(--radius-pill);background:color-mix(in srgb,var(--color-bg) 86%,transparent);box-shadow:0 3px 9px color-mix(in srgb,black 12%,transparent),inset 0 -2px color-mix(in srgb,var(--brand-primary) 26%,transparent);transform:translate(calc(var(--studio-shell-nav-active-index) * 100%),-50%);transition:transform .26s cubic-bezier(.16,1,.3,1),background-color var(--motion-fast),box-shadow var(--motion-fast)}.studio-shell__nav-link{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;min-height:2rem;padding:.32rem .85rem;border-radius:var(--radius-pill);font-size:.85rem;font-weight:var(--font-weight-semibold);color:var(--color-secondary-text);text-decoration:none;transition:background-color var(--motion-fast),color var(--motion-fast),box-shadow var(--motion-fast),transform var(--motion-fast)}.studio-shell__nav-link:hover,.studio-shell__nav-link:focus-visible{color:var(--color-primary-text);background:transparent;box-shadow:none}.studio-shell__nav-link.is-active{color:var(--color-primary-text);background:transparent;box-shadow:none}.studio-shell__body{display:flex;flex:1 1 auto;min-height:0;width:100%;max-width:var(--studio-container-max);margin:0 auto;box-sizing:border-box;overflow:visible;overscroll-behavior:none;padding:var(--space-lg) var(--space-page-x) var(--space-xl)}.studio-shell--document .studio-shell__body{display:block;overflow:visible}.studio-page{--studio-surface-tone: var(--color-line-strong);--studio-surface-fill: var(--studio-panel-bg);--studio-surface-border: color-mix(in srgb, var(--color-line-strong) 84%, var(--color-line));display:flex;flex:1 1 auto;flex-direction:column;width:100%;min-height:0;overflow:visible;overscroll-behavior:none;gap:.9rem}.studio-surface-tone--neutral{--studio-surface-tone: var(--color-line-strong);--studio-surface-fill: var(--studio-panel-bg);--studio-surface-border: color-mix(in srgb, var(--color-line-strong) 84%, var(--color-line))}.studio-page--tone-script,.studio-surface-tone--script{--studio-surface-tone: var(--brand-deep-accent);--studio-surface-fill: var(--studio-panel-bg);--studio-surface-border: color-mix(in srgb, var(--brand-deep-accent) 24%, var(--color-line))}.studio-page--tone-web,.studio-surface-tone--web{--studio-surface-tone: var(--brand-quaternary);--studio-surface-fill: var(--studio-panel-bg);--studio-surface-border: color-mix(in srgb, var(--brand-quaternary) 24%, var(--color-line))}.studio-page--tone-audio,.studio-surface-tone--audio{--studio-surface-tone: var(--state-success);--studio-surface-fill: var(--studio-panel-bg);--studio-surface-border: color-mix(in srgb, var(--state-success) 24%, var(--color-line))}.studio-page--tone-workflow,.studio-surface-tone--workflow{--studio-surface-tone: var(--brand-tertiary);--studio-surface-fill: var(--studio-panel-bg);--studio-surface-border: color-mix(in srgb, var(--brand-tertiary) 24%, var(--color-line))}.studio-surface-tone--script-web{--studio-surface-tone: color-mix(in srgb, var(--brand-deep-accent) 58%, var(--brand-quaternary));--studio-surface-fill: var(--studio-panel-bg);--studio-surface-border: color-mix(in srgb, var(--studio-surface-tone) 24%, var(--color-line))}.studio-panel,.studio-notice{border-radius:var(--radius-lg)}.studio-notice{border:1px solid var(--color-line);background:color-mix(in srgb,var(--color-surface-strong) 92%,transparent);box-shadow:var(--shadow-card)}.studio-panel{position:relative;border:0;border-top:1px solid var(--studio-card-border-top);background:var(--studio-surface-fill);-webkit-backdrop-filter:blur(var(--studio-card-backdrop-blur));backdrop-filter:blur(var(--studio-card-backdrop-blur));box-shadow:var(--studio-major-shadow),inset 0 1px #ffffff14}.studio-page__hero{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-md);padding:1.1rem 1.2rem}.studio-page__hero h1{margin-bottom:.45rem;font-size:clamp(2rem,3vw,2.75rem);line-height:1.02}.studio-page__intro{max-width:54ch;margin:0}.studio-page__hero-meta{display:flex;flex-direction:column;gap:.45rem;align-items:flex-end}.studio-page__hero-meta>div{display:flex;gap:var(--space-xs);flex-wrap:wrap;justify-content:flex-end}.studio-code{max-width:min(100%,460px);padding:.6rem .85rem;border-radius:var(--radius-md);background:color-mix(in srgb,var(--color-bg) 82%,var(--color-text) 18%);font-size:.82rem;overflow-wrap:anywhere}.studio-notice{padding:.8rem 1rem}.studio-toast-region{position:fixed;top:calc(var(--navbar-height) + .7rem);left:50%;z-index:calc(var(--z-modal) + 1);width:min(42rem,calc(100vw - 2rem));pointer-events:none;transform:translate(-50%)}.studio-notice--toast{display:flex;align-items:center;justify-content:center;min-height:3rem;padding:.78rem 1rem;text-align:center;pointer-events:none;animation:studio-toast-enter .22s ease-out}.studio-notice--success{border-color:color-mix(in srgb,var(--state-success) 45%,var(--color-line));background:color-mix(in srgb,var(--state-success) 11%,var(--color-surface-strong))}.studio-notice--warning{border-color:color-mix(in srgb,var(--state-warning) 45%,var(--color-line));background:color-mix(in srgb,var(--state-warning) 12%,var(--color-surface-strong))}@keyframes studio-toast-enter{0%{opacity:0;transform:translateY(-.55rem)}to{opacity:1;transform:translateY(0)}}.studio-summary-grid{display:grid;gap:.75rem;grid-template-columns:repeat(4,minmax(0,1fr))}.studio-summary-card{padding:.9rem 1rem;display:flex;flex-direction:column;gap:.25rem;border:1px solid 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var(--space-md)));width:min(26rem,calc(100vw - (var(--space-page-x) * 2)));padding-top:var(--auth-mini-navbar-overlap);pointer-events:none}.auth-mini-deck__card{position:relative;width:100%;pointer-events:auto;transform-origin:center top;will-change:transform}.auth-mini-deck__hover-shell{position:relative;padding-bottom:var(--auth-mini-tab-height);transition:transform .26s cubic-bezier(.16,1,.3,1)}.auth-mini-deck--open .auth-mini-deck__card:has(.auth-mini-deck__tab:is(:hover,:focus-visible)) .auth-mini-deck__hover-shell{transform:translateY(calc(-1 * var(--auth-mini-hover-shift)))}.auth-mini-deck__panel{position:relative;overflow:visible;border-radius:0 0 var(--radius-lg) var(--radius-lg)}.auth-mini-deck__panel:before{content:"";position:absolute;right:0;bottom:100%;left:0;height:var(--auth-mini-navbar-overlap);background:color-mix(in srgb,var(--color-bg) 95%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:none}.auth-mini-deck--closing 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cubic-bezier(.16,1,.3,1),letter-spacing .22s cubic-bezier(.16,1,.3,1),background .24s cubic-bezier(.16,1,.3,1),box-shadow .24s cubic-bezier(.16,1,.3,1),opacity .22s cubic-bezier(.16,1,.3,1),color .22s cubic-bezier(.16,1,.3,1),-webkit-backdrop-filter .24s cubic-bezier(.16,1,.3,1),backdrop-filter .24s cubic-bezier(.16,1,.3,1)}.auth-mini-deck__tab:hover,.auth-mini-deck__tab:focus-visible{transform:translate(-50%) scale(var(--deck-tab-scale));box-shadow:0 10px 24px #0000003d,0 4px 12px #0000002e,inset 0 1px #ffffff2e}.auth-mini-deck__tab:focus-visible{outline:2px solid var(--color-primary-text);outline-offset:2px}.auth-mini-deck__tab-text{white-space:nowrap}.auth-panel__header,.dashboard-panel__header{display:grid;gap:var(--space-xs);margin-bottom:var(--space-lg)}.auth-panel h1{margin-bottom:0}.auth-kicker{margin:0;color:var(--auth-card-accent, var(--color-accent));font-size:var(--font-size-caption);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-wide);text-transform:uppercase}.auth-form,.auth-field{display:grid;gap:var(--space-sm)}.auth-form{margin-top:var(--space-lg)}.auth-field span{color:var(--color-secondary-text);font-size:var(--font-size-body-sm);font-weight:var(--font-weight-semibold)}.auth-field__hint{color:var(--color-muted-text);font-size:var(--font-size-caption);line-height:1.5}.auth-field input,.auth-field select,.auth-field textarea{width:100%;border:1px solid var(--color-line-strong);border-radius:var(--radius-sm);background:var(--color-surface-strong);color:var(--color-primary-text);font:inherit;line-height:1.4;padding:.85rem 1rem;outline:none;transition:background-color var(--motion-fast),border-color var(--motion-fast),box-shadow var(--motion-fast)}.auth-field textarea{resize:vertical}.auth-field input:focus,.auth-field select:focus,.auth-field textarea:focus{border-color:var(--auth-card-accent, var(--color-accent));box-shadow:var(--shadow-focus-ring)}.auth-google-button{width:100%}.auth-divider{display:flex;align-items:center;gap:var(--space-sm);margin:var(--space-lg) 0 0;color:var(--color-muted-text);font-size:var(--font-size-body-sm)}.auth-divider:before,.auth-divider:after{content:"";height:1px;flex:1;background:var(--color-line)}.auth-message{margin:0;border-radius:var(--radius-sm);padding:var(--space-sm) var(--space-md);font-size:var(--font-size-body-sm);font-weight:var(--font-weight-medium)}.auth-message--error{background:color-mix(in srgb,var(--state-error) 12%,transparent);color:color-mix(in srgb,var(--state-error) 86%,var(--color-primary-text))}.auth-message--success{background:color-mix(in srgb,var(--state-success) 12%,transparent);color:color-mix(in srgb,var(--state-success) 86%,var(--color-primary-text))}.auth-message--info{background:color-mix(in srgb,var(--auth-card-accent, var(--color-accent)) 10%,transparent);color:color-mix(in srgb,var(--auth-card-accent, var(--color-accent)) 78%,var(--color-primary-text))}.auth-status__loader{width:3rem;height:3rem;border:3px solid color-mix(in srgb,var(--auth-card-accent, var(--color-accent)) 18%,var(--color-line));border-top-color:var(--auth-card-accent, var(--color-accent));border-radius:50%;animation:auth-spin .9s linear infinite}.auth-status h2,.auth-status p{margin:0}@keyframes auth-spin{to{transform:rotate(360deg)}}.auth-switch,.auth-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-sm);margin-top:var(--space-lg);color:var(--color-secondary-text)}.auth-switch a,.auth-link{color:var(--auth-card-accent, var(--color-accent));font-weight:var(--font-weight-semibold)}.auth-switch a.auth-link--primary,.auth-link.auth-link--primary,.auth-link--primary{color:var(--brand-primary)}.auth-switch a.auth-link--secondary,.auth-link.auth-link--secondary,.auth-link--secondary{color:var(--brand-secondary)}.auth-switch a.auth-link--tertiary,.auth-link.auth-link--tertiary,.auth-link--tertiary{color:var(--brand-tertiary)}.auth-link{display:inline-flex;margin-top:var(--space-md)}.runtime-onboarding{position:relative;display:grid;gap:var(--space-lg);width:min(100%,58rem);margin:0 auto}.runtime-page-frame--onboarding{transform-origin:50% 0}.runtime-page-frame--onboarding.is-exiting{pointer-events:none;animation:runtime-onboarding-card-exit .46s cubic-bezier(.16,1,.3,1) forwards}.runtime-onboarding__header{display:grid;gap:var(--space-xs);max-width:40rem}.runtime-onboarding__header p{margin:0}.runtime-onboarding__deck{display:grid;gap:var(--space-md)}.runtime-onboarding__steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(10.5rem,1fr));gap:var(--space-sm);overflow:visible}.runtime-onboarding__checkpoint-tile{--onboarding-checkpoint-tone: var(--accent-surface-tone);--accent-surface-shadow: 0 2px 12px rgba(0, 0, 0, .08), 0 8px 32px rgba(0, 0, 0, .04), inset var(--accent-surface-edge-size) 0 0 color-mix(in srgb, var(--onboarding-checkpoint-tone) 92%, transparent);z-index:0;min-height:3.05rem;display:flex;align-items:center;justify-content:center;padding:.68rem .86rem .72rem calc(.86rem + var(--surface-edge-size));background:color-mix(in srgb,var(--color-bg) 95%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--color-primary-text);font:inherit;text-align:center}.runtime-onboarding__checkpoint-tile:disabled{cursor:not-allowed;opacity:.48}.runtime-onboarding__checkpoint-tile.is-active{z-index:10;background:var(--onboarding-checkpoint-tone);color:var(--color-accent-contrast);box-shadow:0 12px 24px color-mix(in srgb,var(--onboarding-checkpoint-tone) 24%,transparent)}.runtime-onboarding__checkpoint-tile.is-completed:not(.is-active){box-shadow:0 2px 12px #00000014,0 8px 32px #0000000a,inset var(--accent-surface-edge-size) 0 0 color-mix(in srgb,var(--onboarding-checkpoint-tone) 100%,transparent)}.runtime-onboarding__checkpoint-title{min-width:0;overflow-wrap:anywhere;font-size:var(--font-size-body-sm);font-weight:var(--font-weight-semibold);line-height:var(--line-height-heading)}.runtime-onboarding__form,.runtime-onboarding__question-stack{display:grid;gap:var(--space-md)}.runtime-onboarding__form{gap:var(--space-lg);padding-top:var(--space-sm)}.runtime-onboarding__complete-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40;display:grid;place-items:center;padding:var(--space-lg);pointer-events:none}.runtime-onboarding__complete-card{display:grid;gap:var(--space-sm);width:min(100%,28rem);padding:var(--space-lg);border:1px solid color-mix(in srgb,var(--color-line-strong) 82%,transparent);background:linear-gradient(135deg,color-mix(in srgb,var(--color-accent) 11%,transparent),transparent 46%),color-mix(in srgb,var(--color-bg) 95%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.runtime-onboarding.is-completed .runtime-onboarding__header,.runtime-onboarding.is-completed .runtime-onboarding__deck{opacity:.32;transform:translateY(-.25rem) scale(.995);transition:opacity .22s cubic-bezier(.16,1,.3,1),transform .22s cubic-bezier(.16,1,.3,1)}.runtime-onboarding__complete-card h2,.runtime-onboarding__complete-card p{margin:0}.runtime-onboarding__progress{height:.32rem;overflow:hidden;border-radius:999px;background:color-mix(in srgb,var(--color-line) 82%,transparent)}.runtime-onboarding__progress-bar{display:block;width:var(--runtime-onboarding-progress);height:100%;border-radius:inherit;background:var(--color-accent);transition:width .26s cubic-bezier(.16,1,.3,1)}.runtime-onboarding__section{display:grid;gap:var(--space-md)}.runtime-onboarding__section-header{position:relative;display:grid;gap:var(--space-xs);max-width:38rem}.runtime-onboarding__section h2,.runtime-onboarding__section p,.runtime-onboarding__question p{margin:0}.runtime-onboarding__question{position:relative;display:grid;gap:var(--space-sm)}.runtime-onboarding__carousel-status{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-xs);color:var(--color-muted-text);font-size:var(--font-size-caption);font-weight:var(--font-weight-semibold)}.runtime-onboarding__carousel-dots{display:inline-flex;align-items:center;gap:.36rem}.runtime-onboarding__carousel-dot{width:.46rem;height:.46rem;border-radius:50%;background:color-mix(in srgb,var(--brand-quaternary) 22%,var(--color-line-strong));transition:background-color var(--motion-fast),box-shadow var(--motion-fast),transform var(--motion-fast)}.runtime-onboarding__carousel-dot.is-active{background:var(--brand-quaternary);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand-quaternary) 18%,transparent);transform:scale(1.12)}.runtime-onboarding__carousel-dot.is-completed{background:color-mix(in srgb,var(--brand-quaternary) 72%,var(--color-line-strong))}.runtime-onboarding__limit{justify-self:flex-start;color:var(--color-muted-text);font-size:var(--font-size-caption);font-weight:var(--font-weight-semibold)}.runtime-onboarding__footer{display:grid;gap:var(--space-sm);padding-top:var(--space-sm);border-top:1px solid var(--color-line)}.runtime-onboarding .auth-field{gap:.42rem}.runtime-onboarding .auth-field input,.runtime-onboarding .auth-field select,.runtime-onboarding .auth-field textarea{padding:.68rem .78rem}.runtime-onboarding .auth-choice-group{gap:var(--space-sm)}.runtime-onboarding .auth-choice-group legend{font-size:var(--font-size-body-lg)}.auth-choice-group{display:grid;gap:var(--space-md);padding:0;margin:0;border:0}.auth-choice-group legend{padding:0;color:var(--color-primary-text);font-size:var(--font-size-h3);font-weight:var(--font-weight-semibold);line-height:var(--line-height-heading)}.auth-choice-group__hint{margin:calc(-1 * var(--space-xs)) 0 0;color:var(--color-muted-text);font-size:var(--font-size-caption)}.auth-choice-group--compact{align-content:start}.auth-choice-group--compact legend{color:var(--color-secondary-text);font-size:var(--font-size-body-sm);font-weight:var(--font-weight-semibold);line-height:var(--line-height-body)}.auth-choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));gap:var(--space-sm)}.runtime-onboarding__choice-list{--runtime-onboarding-choice-tone: var(--brand-quaternary);display:grid;gap:.72rem;justify-items:start}.runtime-onboarding__choice-option{position:relative;display:inline-flex;align-items:center;gap:.5rem;min-height:1.85rem;max-width:100%;padding:0;border:0;border-radius:var(--radius-pill);background:transparent;color:var(--color-primary-text);font:inherit;font-weight:var(--font-weight-semibold);line-height:1.35;text-align:left;cursor:pointer;transition:color var(--motion-fast),opacity var(--motion-fast)}.runtime-onboarding__choice-marker{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;width:1.85rem;height:1.85rem;border-radius:50%;background:var(--runtime-onboarding-choice-tone);box-shadow:0 0 color-mix(in srgb,var(--runtime-onboarding-choice-tone) 0%,transparent);transition:box-shadow var(--motion-fast),transform var(--motion-fast)}.runtime-onboarding__choice-label{min-width:0}.runtime-onboarding__choice-option:hover,.runtime-onboarding__choice-option:focus-visible,.runtime-onboarding__choice-option.is-selected{color:color-mix(in srgb,var(--runtime-onboarding-choice-tone) 78%,var(--color-primary-text))}.runtime-onboarding__choice-option:hover .runtime-onboarding__choice-marker,.runtime-onboarding__choice-option:focus-visible .runtime-onboarding__choice-marker{box-shadow:0 0 0 3px color-mix(in srgb,var(--runtime-onboarding-choice-tone) 12%,transparent)}.runtime-onboarding__choice-option.is-selected .runtime-onboarding__choice-marker{box-shadow:0 0 0 3px color-mix(in srgb,var(--runtime-onboarding-choice-tone) 22%,transparent);transform:scale(1.04)}.runtime-onboarding__choice-option.is-disabled{cursor:not-allowed;opacity:.48}.auth-choice-card{position:relative;display:grid;gap:var(--space-2xs);min-width:0;min-height:4.75rem;padding:var(--space-md);border:1px solid var(--color-line);border-radius:var(--radius-md);background:color-mix(in srgb,var(--color-surface-strong) 82%,transparent);cursor:pointer;transition:border-color var(--motion-fast),box-shadow var(--motion-fast),transform var(--motion-fast)}.runtime-onboarding__question .auth-choice-card{align-content:center}.auth-choice-group--compact .auth-choice-card{min-height:4.6rem}.auth-choice-card:hover,.auth-choice-card:focus-within{border-color:color-mix(in srgb,var(--color-accent) 42%,var(--color-line-strong));transform:var(--hover-lift)}.auth-choice-card.is-selected{border-color:color-mix(in srgb,var(--color-accent) 62%,var(--color-line-strong));box-shadow:inset var(--surface-edge-size) 0 0 color-mix(in srgb,var(--color-accent) 92%,transparent),0 12px 28px color-mix(in srgb,var(--color-accent) 12%,transparent)}.auth-choice-card.is-disabled{cursor:not-allowed;opacity:.5;transform:none}.auth-choice-card input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.auth-choice-card input:disabled{cursor:not-allowed}.auth-choice-card__title{color:var(--color-primary-text);font-size:var(--font-size-body-sm);font-weight:var(--font-weight-semibold)}.auth-choice-card__description{color:var(--color-secondary-text);font-size:var(--font-size-body-sm);line-height:1.5}.runtime-onboarding__actions{display:flex;flex-wrap:wrap;gap:var(--space-sm);align-items:center}@keyframes runtime-onboarding-card-exit{0%{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}to{opacity:0;transform:translateY(calc(-1 * var(--navbar-height))) scale(.985);filter:blur(2px)}}.runtime-page-frame__scroll--dashboard{align-content:start;padding:clamp(1.2rem,3vw,2.4rem)}.dashboard-route{display:grid;gap:clamp(1rem,2vw,1.45rem);width:min(100%,72rem);margin:0 auto}.dashboard-route--loading{min-height:min(28rem,100%);align-content:center}.dashboard-loading-card,.dashboard-route__hero,.dashboard-continue-card,.dashboard-panel{border:1px solid color-mix(in srgb,var(--color-line-strong) 82%,transparent);background:linear-gradient(135deg,color-mix(in srgb,var(--color-accent) 9%,transparent),transparent 46%),color-mix(in srgb,var(--color-surface-strong) 90%,transparent)}.dashboard-loading-card{display:grid;gap:var(--space-sm);max-width:34rem;padding:clamp(1.25rem,3vw,2rem)}.dashboard-route__hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-lg);align-items:start;padding:clamp(1.35rem,3vw,2.4rem)}.dashboard-route__intro-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:var(--space-md);min-width:0;max-width:min(100%,72rem);margin-bottom:0}.dashboard-route__intro,.dashboard-chip-row,.dashboard-panel__header,.dashboard-side-card,.dashboard-empty-state,.dashboard-course-card__content,.dashboard-status-panel{display:grid;gap:var(--space-sm)}.dashboard-chip-row{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.dashboard-route__intro{gap:.5rem;max-width:42rem}.dashboard-route__intro h1{margin:0;font-size:clamp(2rem,3.2vw,3.15rem);min-width:0;overflow-wrap:anywhere}.dashboard-route__intro p{margin:0;max-width:38rem}.dashboard-route__actions{align-self:end;padding-top:0}.dashboard-route__messages{display:grid;gap:var(--space-sm)}.dashboard-profile-nudge{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-md);align-items:center;padding:clamp(.85rem,1.8vw,1.05rem) 0;border-top:1px solid color-mix(in srgb,var(--color-line) 84%,transparent);border-bottom:1px solid color-mix(in srgb,var(--color-line) 84%,transparent)}.dashboard-profile-nudge h2,.dashboard-profile-nudge p{margin:0}.dashboard-profile-nudge div{display:grid;gap:.35rem}.dashboard-route__body{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(16rem,.58fr);gap:var(--space-lg);align-items:start}.dashboard-panel{display:grid;gap:var(--space-lg);align-content:start;min-width:0;padding:clamp(1.15rem,2.5vw,1.75rem)}.dashboard-panel--course{min-height:0}.dashboard-kicker{color:color-mix(in srgb,var(--brand-primary) 78%,var(--color-secondary-text));font-family:var(--font-mono);font-size:var(--font-size-caption);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-wide);text-transform:uppercase}.dashboard-continue-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(15rem,.38fr);gap:clamp(1.25rem,3vw,2.25rem);align-items:stretch;min-width:0;overflow:hidden;padding:clamp(1.25rem,3vw,2.25rem)}.dashboard-continue-card__copy,.dashboard-continue-card__side,.dashboard-section,.dashboard-section__header,.dashboard-action-card>div,.dashboard-module-row__main,.dashboard-module-row__progress{display:grid;gap:var(--space-sm);min-width:0}.dashboard-continue-card__copy{align-content:center;gap:clamp(.8rem,1.7vw,1.15rem)}.dashboard-continue-card h2{max-width:16ch;font-size:clamp(1.7rem,3.2vw,3.1rem);line-height:var(--line-height-heading)}.dashboard-continue-card__meta{display:flex;flex-wrap:wrap;gap:.45rem}.dashboard-continue-card__meta span,.dashboard-module-row__status{display:inline-flex;align-items:center;min-height:2rem;padding:.34rem .58rem;border:1px solid color-mix(in srgb,var(--brand-primary) 20%,var(--color-line));border-radius:var(--radius-pill);background:color-mix(in srgb,var(--brand-primary) 6%,transparent);color:var(--color-secondary-text);font-size:var(--font-size-body-sm);line-height:1.2}.dashboard-continue-card__side{align-content:center;justify-items:start;padding-left:clamp(1rem,2vw,1.35rem);border-left:1px solid color-mix(in srgb,var(--brand-primary) 18%,var(--color-line))}.dashboard-continue-card__side strong{color:var(--color-primary-text);font-size:clamp(2.3rem,5vw,4.5rem);line-height:.95}.dashboard-continue-card__side>span:not(.dashboard-continue-card__course){color:var(--color-muted-text);font-size:var(--font-size-body-sm)}.dashboard-continue-card__course{color:var(--color-secondary-text);font-weight:var(--font-weight-semibold)}.dashboard-continue-card__actions{margin-top:var(--space-xs)}.dashboard-progress-track{height:.48rem;overflow:hidden;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--color-line) 82%,transparent)}.dashboard-progress-track span{display:block;width:var(--dashboard-progress, 0%);height:100%;border-radius:inherit;background:linear-gradient(90deg,color-mix(in srgb,var(--brand-primary) 88%,var(--brand-secondary)),color-mix(in srgb,var(--brand-quaternary) 80%,var(--brand-primary)))}.dashboard-metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-md)}.dashboard-metric-card,.dashboard-test-access-card,.dashboard-action-card,.dashboard-module-row{border:1px solid color-mix(in srgb,var(--dashboard-card-tone, var(--brand-primary)) 18%,var(--color-line));border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-surface-strong) 78%,transparent);box-shadow:var(--shadow-card),inset var(--surface-edge-size) 0 0 color-mix(in srgb,var(--dashboard-card-tone, var(--brand-primary)) 72%,transparent)}.dashboard-metric-card{--dashboard-card-tone: var(--brand-primary);display:grid;gap:.25rem;min-width:0;padding:clamp(.95rem,2vw,1.2rem)}.dashboard-metric-card span{color:var(--color-muted-text);font-size:var(--font-size-body-sm)}.dashboard-metric-card strong{color:var(--color-primary-text);font-size:clamp(1.6rem,3vw,2.15rem);line-height:1}.dashboard-metric-card p{color:var(--color-secondary-text);font-size:var(--font-size-body-sm);line-height:1.35}.dashboard-test-access-card{--dashboard-card-tone: var(--brand-quaternary);display:grid;gap:var(--space-xs);padding:clamp(.95rem,2vw,1.2rem) clamp(1rem,2.2vw,1.35rem);box-shadow:var(--shadow-card),inset var(--surface-edge-size) 0 0 color-mix(in srgb,var(--brand-quaternary) 62%,transparent)}.dashboard-test-access-card__title{color:color-mix(in srgb,var(--brand-quaternary) 76%,var(--color-primary-text));font-size:var(--font-size-body-lg);line-height:1.2}.dashboard-test-access-card p{max-width:54rem;color:var(--color-secondary-text);font-size:var(--font-size-body-sm);line-height:1.55}.dashboard-section{gap:var(--space-md)}.dashboard-section__header{gap:.3rem}.dashboard-action-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-md)}.dashboard-action-card{--dashboard-card-tone: var(--brand-tertiary);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-md);align-items:center;padding:clamp(.95rem,2vw,1.25rem)}.dashboard-action-card h3{min-width:0;overflow-wrap:anywhere;font-size:var(--font-size-body-lg)}.dashboard-action-card p{font-size:var(--font-size-body-sm);line-height:1.45}.dashboard-module-list{display:grid;gap:var(--space-sm)}.dashboard-area-list{display:grid;gap:var(--space-md)}.dashboard-area-card{--dashboard-area-tone: var(--brand-primary);overflow:hidden;border:1px solid color-mix(in srgb,var(--dashboard-area-tone) 20%,var(--color-line));border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-surface-strong) 82%,transparent);box-shadow:var(--shadow-card),inset var(--surface-edge-size) 0 0 color-mix(in srgb,var(--dashboard-area-tone) 76%,transparent)}.dashboard-area-summary{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(12rem,.34fr) auto;gap:var(--space-md);align-items:center;min-width:0;padding:clamp(.95rem,2vw,1.2rem) clamp(1rem,2.2vw,1.35rem);cursor:pointer;list-style:none}.dashboard-area-summary::-webkit-details-marker{display:none}.dashboard-area-summary__main,.dashboard-area-summary__progress{display:grid;gap:.35rem;min-width:0}.dashboard-area-summary__main strong{min-width:0;color:var(--color-primary-text);font-size:var(--font-size-body-lg);line-height:1.16;overflow-wrap:anywhere}.dashboard-area-summary__main span,.dashboard-area-summary__progress>span{color:var(--color-secondary-text);font-size:var(--font-size-body-sm);line-height:1.2}.dashboard-area-summary__status{justify-self:end;display:inline-flex;align-items:center;min-height:2rem;padding:.34rem .58rem;border:1px solid color-mix(in srgb,var(--dashboard-area-tone) 22%,var(--color-line));border-radius:var(--radius-pill);background:color-mix(in srgb,var(--dashboard-area-tone) 7%,transparent);color:var(--color-secondary-text);font-size:var(--font-size-body-sm);line-height:1.2}.dashboard-area-summary__chevron{width:.62rem;height:.62rem;border-right:2px solid color-mix(in srgb,var(--dashboard-area-tone) 76%,var(--color-primary-text));border-bottom:2px solid color-mix(in srgb,var(--dashboard-area-tone) 76%,var(--color-primary-text));transform:rotate(45deg);transition:transform var(--motion-fast)}.dashboard-area-card[open] .dashboard-area-summary__chevron{transform:rotate(225deg)}.dashboard-area-card .dashboard-module-list{gap:0;padding:0 clamp(1rem,2.2vw,1.35rem) clamp(.95rem,2vw,1.2rem);border-top:1px solid color-mix(in srgb,var(--color-line) 78%,transparent)}.dashboard-area-card .dashboard-module-row{border:0;border-top:1px solid color-mix(in srgb,var(--color-line) 76%,transparent);border-radius:0;background:transparent;box-shadow:inset var(--surface-edge-size) 0 0 color-mix(in srgb,var(--dashboard-module-tone) 62%,transparent)}.dashboard-area-card .dashboard-module-row:first-child{border-top:0}.dashboard-area-card .dashboard-module-row:hover,.dashboard-area-card .dashboard-module-row:focus-visible{background:color-mix(in srgb,var(--dashboard-module-tone) 5%,transparent);box-shadow:inset var(--surface-edge-size) 0 0 color-mix(in srgb,var(--dashboard-module-tone) 78%,transparent)}.dashboard-module-row{--dashboard-card-tone: var(--dashboard-module-tone, var(--brand-primary));display:grid;grid-template-columns:minmax(0,1fr) auto minmax(12rem,.34fr);gap:var(--space-md);align-items:center;min-width:0;padding:clamp(.85rem,1.8vw,1.05rem) clamp(.95rem,2vw,1.2rem);color:inherit;text-decoration:none;transition:border-color var(--motion-fast),box-shadow var(--motion-fast),transform var(--motion-fast)}.dashboard-module-row:hover,.dashboard-module-row:focus-visible{border-color:color-mix(in srgb,var(--dashboard-module-tone) 34%,var(--color-line-strong));box-shadow:0 16px 38px color-mix(in srgb,var(--dashboard-module-tone) 12%,transparent),inset var(--surface-edge-size) 0 0 color-mix(in srgb,var(--dashboard-module-tone) 86%,transparent);transform:translateY(-1px)}.dashboard-module-row--locked{opacity:.78}.dashboard-module-row--preparing{opacity:.72;color:color-mix(in srgb,var(--color-primary-text) 76%,var(--color-muted-text))}.dashboard-module-row--preparing .dashboard-module-row__status{color:color-mix(in srgb,var(--color-primary-text) 66%,var(--color-muted-text))}.dashboard-module-row--preparing .dashboard-progress-track>span{opacity:0}.dashboard-module-row--feedback .dashboard-module-row__status{color:color-mix(in srgb,var(--brand-tertiary) 82%,var(--color-primary-text))}.dashboard-module-row__main{gap:.18rem}.dashboard-module-row strong{min-width:0;overflow-wrap:anywhere}.dashboard-module-row__status{justify-self:end;border-color:color-mix(in srgb,var(--dashboard-module-tone) 22%,var(--color-line));background:color-mix(in srgb,var(--dashboard-module-tone) 7%,transparent)}.dashboard-module-row__progress{gap:.35rem}.dashboard-module-row__progress>span{color:var(--color-secondary-text);font-size:var(--font-size-body-sm);line-height:1.2}.dashboard-study-panel{display:grid;align-content:start;gap:clamp(.85rem,1.7vw,1.15rem);padding:clamp(1rem,2.2vw,1.35rem) clamp(1rem,2.4vw,1.6rem);border:1px solid color-mix(in srgb,var(--brand-primary) 18%,var(--color-line));border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-surface-strong) 74%,transparent);box-shadow:var(--shadow-card),inset var(--surface-edge-size) 0 0 color-mix(in srgb,var(--brand-primary) 82%,transparent)}.dashboard-study-panel__header{display:flex;align-items:end;justify-content:space-between;gap:var(--space-md);padding-bottom:clamp(.85rem,1.8vw,1.05rem);border-bottom:1px solid color-mix(in srgb,var(--color-line) 78%,transparent)}.dashboard-study-panel__header h2,.dashboard-study-panel__header p,.dashboard-panel__header h2,.dashboard-panel__header p,.dashboard-feedback-strip h3,.dashboard-feedback-strip p{margin:0}.dashboard-course-list,.dashboard-facts,.dashboard-route__side{display:grid;gap:var(--space-md)}.dashboard-course-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(.75rem,1.8vw,1.05rem);align-items:center;min-width:0;padding:clamp(.78rem,1.7vw,1rem) 0;border-top:1px solid color-mix(in srgb,var(--color-line) 82%,transparent);background:transparent}.dashboard-course-card:first-child{border-top:0}.dashboard-course-card__content{display:grid;gap:.22rem;min-width:0}.dashboard-course-card__status{color:color-mix(in srgb,var(--brand-primary) 78%,var(--color-secondary-text));font-family:var(--font-mono);font-size:var(--font-size-caption);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-wide);text-transform:uppercase}.dashboard-course-card__actions{min-width:max-content}.dashboard-course-card h3{min-width:0;overflow-wrap:anywhere}.dashboard-course-progress{display:grid;gap:.4rem;max-width:36rem;margin-top:.45rem}.dashboard-course-progress__summary{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);color:var(--color-muted-text);font-size:var(--font-size-body-sm)}.dashboard-course-progress__summary strong{color:var(--color-primary-text)}.dashboard-course-progress__track{height:.42rem;overflow:hidden;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--color-line) 80%,transparent)}.dashboard-course-progress__track span{display:block;width:var(--dashboard-course-progress, 0%);height:100%;border-radius:inherit;background:var(--brand-primary)}.dashboard-course-progress p{margin:0;color:var(--color-secondary-text);font-size:var(--font-size-body-sm);line-height:1.45}.dashboard-feedback-card{border-color:color-mix(in srgb,var(--brand-tertiary) 30%,var(--color-line));box-shadow:inset var(--surface-edge-size) 0 0 var(--brand-tertiary)}.dashboard-feedback-card__list{display:grid;gap:var(--space-2xs);color:var(--color-secondary-text);font-size:var(--font-size-body-sm)}.dashboard-feedback-card__list span{overflow-wrap:anywhere}.dashboard-feedback-strip{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-md);align-items:center;padding:clamp(.9rem,1.8vw,1.1rem) 0 0;border-top:1px solid color-mix(in srgb,var(--color-line) 84%,transparent)}.dashboard-feedback-strip__copy{display:grid;gap:.42rem}.dashboard-feedback-strip__items{display:flex;flex-wrap:wrap;gap:.38rem .62rem;color:var(--color-muted-text);font-size:var(--font-size-body-sm)}.dashboard-feedback-strip__items span:not(:last-child):after{content:"·";margin-left:.62rem;color:color-mix(in srgb,var(--brand-primary) 45%,var(--color-muted-text))}.dashboard-empty-state,.dashboard-status-panel{padding:var(--space-lg);border:1px solid var(--color-line);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-surface-elevated) 72%,transparent)}.dashboard-side-card{padding:var(--space-lg);border:1px solid color-mix(in srgb,var(--accent-surface-tone, var(--color-accent)) 22%,var(--color-line));background:color-mix(in srgb,var(--color-surface-strong) 88%,transparent)}.dashboard-loading-card h1,.dashboard-route__hero h1,.dashboard-continue-card h2,.dashboard-test-access-card h2,.dashboard-section__header h2,.dashboard-panel h2,.dashboard-side-card h2,.dashboard-action-card h3,.dashboard-course-card h3,.dashboard-empty-state h3,.dashboard-loading-card p,.dashboard-route__hero p,.dashboard-continue-card p,.dashboard-metric-card p,.dashboard-test-access-card p,.dashboard-section__header p,.dashboard-panel p,.dashboard-side-card p,.dashboard-action-card p,.dashboard-course-card p,.dashboard-empty-state p,.dashboard-status-panel p,.dashboard-facts{margin:0}.dashboard-facts div{display:grid;gap:var(--space-2xs)}.dashboard-facts dt{color:var(--color-muted-text);font-size:var(--font-size-caption);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-wide);text-transform:uppercase}.dashboard-facts dd{margin:0;color:var(--color-primary-text);overflow-wrap:anywhere}.feedback-route__body{display:grid;grid-template-columns:minmax(18rem,.62fr) minmax(0,1.38fr);gap:clamp(1rem,2vw,1.35rem);align-items:start}.feedback-route{width:min(100%,68rem)}.feedback-route--queue-only{width:min(100%,58rem)}.feedback-route--queue-only .dashboard-route__intro-header{grid-template-columns:1fr}.feedback-route--queue-only .dashboard-route__intro{max-width:100%}.feedback-route--queue-only .dashboard-route__actions{justify-content:flex-start}.feedback-route__hero{grid-template-columns:minmax(0,1fr) minmax(9rem,.28fr) auto;overflow:hidden;border-color:color-mix(in srgb,var(--brand-tertiary) 32%,var(--color-line-strong));background:linear-gradient(135deg,color-mix(in srgb,var(--brand-tertiary) 18%,transparent),transparent 44%),linear-gradient(220deg,color-mix(in srgb,var(--brand-primary) 12%,transparent),transparent 46%),color-mix(in srgb,var(--color-surface-strong) 90%,transparent)}.feedback-route__hero-stack{display:grid;gap:var(--space-xs);min-width:9rem}.feedback-route__hero-stack div{display:grid;gap:.12rem;padding:.7rem 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