:root,:root[data-theme=light]{color-scheme:light;--color-program-paper-rgb:241 243 246;--color-program-paper-2-rgb:246 247 249;--color-program-surface-rgb:255 255 255;--color-program-surface-soft-rgb:247 248 250;--color-program-surface-raised-rgb:238 240 244;--color-program-ink-rgb:23 26 31;--color-program-muted-rgb:112 119 130;--color-program-muted-strong-rgb:80 87 98;--color-program-rule-rgb:228 231 236;--color-program-rule-strong-rgb:212 217 225;--color-program-accent-rgb:45 136 241;--color-program-action-rgb:45 136 241;--color-program-action-hover-rgb:33 116 216;--color-program-accent-ink-rgb:255 255 255;--color-program-accent-soft-rgb:239 246 255;--color-program-accent-fill-rgb:219 234 254;--color-program-accent-border-rgb:191 219 254;--color-program-accent-strong-rgb:29 78 216;--color-program-success-rgb:22 155 99;--color-program-success-soft-rgb:236 248 242;--color-program-success-fill-rgb:209 250 229;--color-program-success-border-rgb:187 247 208;--color-program-success-strong-rgb:4 120 87;--color-program-success-solid-rgb:5 150 105;--color-program-success-solid-hover-rgb:4 120 87;--color-program-success-solid-active-rgb:6 95 70;--color-program-warning-rgb:201 135 29;--color-program-warning-soft-rgb:255 247 232;--color-program-warning-fill-rgb:254 243 199;--color-program-warning-border-rgb:253 230 138;--color-program-warning-strong-rgb:180 83 9;--color-program-warning-deep-rgb:120 53 15;--color-program-warning-solid-rgb:245 158 11;--color-program-danger-rgb:214 69 69;--color-program-danger-soft-rgb:255 240 240;--color-program-danger-fill-rgb:254 226 226;--color-program-danger-border-rgb:254 202 202;--color-program-danger-border-strong-rgb:252 165 165;--color-program-danger-strong-rgb:185 28 28;--color-program-danger-solid-rgb:239 68 68;--color-program-danger-solid-hover-rgb:220 38 38;--color-program-team-rgb:147 51 234;--color-program-team-soft-rgb:250 245 255;--color-program-team-fill-rgb:243 232 255;--color-program-team-border-rgb:233 213 255;--color-program-team-chip-rgb:233 213 255;--color-program-team-strong-rgb:126 34 206;--color-program-leg-right-rgb:249 115 22;--color-program-leg-right-soft-rgb:255 247 237;--color-program-leg-right-border-rgb:254 215 170;--color-program-leg-right-border-strong-rgb:253 186 116;--color-program-leg-right-strong-rgb:194 65 12;--color-program-inverse-rgb:31 41 55;--color-program-inverse-ink-rgb:255 255 255;--color-program-overlay-rgb:0 0 0;--color-program-auth-canvas-rgb:243 246 252;--color-program-auth-blob-a-rgb:219 233 255;--color-program-auth-blob-b-rgb:221 215 255;--color-program-auth-aside-rgb:31 95 214;--color-program-auth-aside-glow-rgb:121 185 255;--color-program-auth-aside-dot-rgb:185 248 217;--color-program-focus-rgb:45 136 241;--shadow-card:0 10px 28px rgba(23,26,31,.045);--shadow-card-hover:0 14px 30px rgba(23,26,31,.065);--shadow-accent:0 10px 24px rgba(45,136,241,.2);--shadow-input:0 1px 2px rgba(23,26,31,.06);--shadow-button:0 8px 18px rgba(45,136,241,.18);--shadow-button-hover:0 10px 22px rgba(45,136,241,.22);--shadow-float:0 24px 80px rgba(33,54,104,.12)}:root[data-theme=dark]{color-scheme:dark;--color-program-paper-rgb:15 17 21;--color-program-paper-2-rgb:20 22 27;--color-program-surface-rgb:23 26 32;--color-program-surface-soft-rgb:28 32 39;--color-program-surface-raised-rgb:35 40 49;--color-program-ink-rgb:232 234 240;--color-program-muted-rgb:154 162 177;--color-program-muted-strong-rgb:195 201 212;--color-program-rule-rgb:39 44 53;--color-program-rule-strong-rgb:51 58 69;--color-program-accent-rgb:88 160 248;--color-program-action-rgb:61 144 245;--color-program-action-hover-rgb:99 169 249;--color-program-accent-ink-rgb:255 255 255;--color-program-accent-soft-rgb:22 34 58;--color-program-accent-fill-rgb:28 44 74;--color-program-accent-border-rgb:42 70 112;--color-program-accent-strong-rgb:147 192 251;--color-program-success-rgb:63 191 131;--color-program-success-soft-rgb:16 36 27;--color-program-success-fill-rgb:20 48 38;--color-program-success-border-rgb:31 87 65;--color-program-success-strong-rgb:111 214 164;--color-program-success-solid-rgb:18 138 88;--color-program-success-solid-hover-rgb:15 122 77;--color-program-success-solid-active-rgb:12 100 63;--color-program-warning-rgb:224 165 60;--color-program-warning-soft-rgb:42 33 19;--color-program-warning-fill-rgb:53 42 23;--color-program-warning-border-rgb:92 70 32;--color-program-warning-strong-rgb:240 194 116;--color-program-warning-deep-rgb:247 223 180;--color-program-warning-solid-rgb:217 154 43;--color-program-danger-rgb:239 107 102;--color-program-danger-soft-rgb:45 22 24;--color-program-danger-fill-rgb:58 27 29;--color-program-danger-border-rgb:94 42 44;--color-program-danger-border-strong-rgb:125 58 60;--color-program-danger-strong-rgb:247 154 150;--color-program-danger-solid-rgb:217 69 63;--color-program-danger-solid-hover-rgb:194 58 53;--color-program-team-rgb:176 124 245;--color-program-team-soft-rgb:31 23 48;--color-program-team-fill-rgb:42 30 66;--color-program-team-border-rgb:63 45 99;--color-program-team-chip-rgb:63 45 99;--color-program-team-strong-rgb:207 168 251;--color-program-leg-right-rgb:245 145 72;--color-program-leg-right-soft-rgb:42 26 16;--color-program-leg-right-border-rgb:90 53 24;--color-program-leg-right-border-strong-rgb:122 74 34;--color-program-leg-right-strong-rgb:248 178 127;--color-program-inverse-rgb:44 50 61;--color-program-inverse-ink-rgb:232 234 240;--color-program-overlay-rgb:0 0 0;--color-program-auth-canvas-rgb:15 17 21;--color-program-auth-blob-a-rgb:26 44 78;--color-program-auth-blob-b-rgb:41 32 70;--color-program-auth-aside-rgb:24 62 138;--color-program-auth-aside-glow-rgb:61 120 200;--color-program-auth-aside-dot-rgb:111 214 164;--color-program-focus-rgb:88 160 248;--shadow-card:0 10px 28px rgba(0,0,0,.45);--shadow-card-hover:0 14px 30px rgba(0,0,0,.55);--shadow-accent:0 10px 24px rgba(61,144,245,.28);--shadow-input:0 1px 2px rgba(0,0,0,.4);--shadow-button:0 8px 18px rgba(61,144,245,.28);--shadow-button-hover:0 10px 22px rgba(61,144,245,.34);--shadow-float:0 24px 80px rgba(0,0,0,.6)}:root{--color-program-paper:rgb(var(--color-program-paper-rgb));--color-program-paper-2:rgb(var(--color-program-paper-2-rgb));--color-program-surface:rgb(var(--color-program-surface-rgb));--color-program-surface-soft:rgb(var(--color-program-surface-soft-rgb));--color-program-surface-raised:rgb(var(--color-program-surface-raised-rgb));--color-program-ink:rgb(var(--color-program-ink-rgb));--color-program-muted:rgb(var(--color-program-muted-rgb));--color-program-muted-strong:rgb(var(--color-program-muted-strong-rgb));--color-program-rule:rgb(var(--color-program-rule-rgb));--color-program-rule-strong:rgb(var(--color-program-rule-strong-rgb));--color-program-accent:rgb(var(--color-program-accent-rgb));--color-program-action:rgb(var(--color-program-action-rgb));--color-program-action-hover:rgb(var(--color-program-action-hover-rgb));--color-program-accent-ink:rgb(var(--color-program-accent-ink-rgb));--color-program-accent-soft:rgb(var(--color-program-accent-soft-rgb));--color-program-accent-fill:rgb(var(--color-program-accent-fill-rgb));--color-program-accent-border:rgb(var(--color-program-accent-border-rgb));--color-program-accent-strong:rgb(var(--color-program-accent-strong-rgb));--color-program-success:rgb(var(--color-program-success-rgb));--color-program-success-soft:rgb(var(--color-program-success-soft-rgb));--color-program-success-fill:rgb(var(--color-program-success-fill-rgb));--color-program-success-border:rgb(var(--color-program-success-border-rgb));--color-program-success-strong:rgb(var(--color-program-success-strong-rgb));--color-program-success-solid:rgb(var(--color-program-success-solid-rgb));--color-program-success-solid-active:rgb(var(--color-program-success-solid-active-rgb));--color-program-warning:rgb(var(--color-program-warning-rgb));--color-program-warning-soft:rgb(var(--color-program-warning-soft-rgb));--color-program-warning-fill:rgb(var(--color-program-warning-fill-rgb));--color-program-warning-border:rgb(var(--color-program-warning-border-rgb));--color-program-warning-strong:rgb(var(--color-program-warning-strong-rgb));--color-program-danger:rgb(var(--color-program-danger-rgb));--color-program-danger-soft:rgb(var(--color-program-danger-soft-rgb));--color-program-danger-fill:rgb(var(--color-program-danger-fill-rgb));--color-program-danger-border:rgb(var(--color-program-danger-border-rgb));--color-program-danger-strong:rgb(var(--color-program-danger-strong-rgb));--color-program-team:rgb(var(--color-program-team-rgb));--color-program-team-soft:rgb(var(--color-program-team-soft-rgb));--color-program-leg-right:rgb(var(--color-program-leg-right-rgb));--color-program-inverse:rgb(var(--color-program-inverse-rgb));--color-program-inverse-ink:rgb(var(--color-program-inverse-ink-rgb));--color-program-focus:rgb(var(--color-program-focus-rgb));--color-program-on-dark-rgb:255 255 255;--color-program-on-dark:#fff;--color-program-media-rgb:0 0 0;--color-program-telegram-rgb:42 171 238;--color-program-telegram-hover-rgb:34 158 217;--font-display:"Inter",system-ui,sans-serif;--font-body:"Inter",system-ui,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,monospace;--space-3xs:0.125rem;--space-2xs:0.25rem;--space-xs:0.5rem;--space-sm:0.75rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4.5rem;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-md:1.125rem;--text-lg:1.375rem;--text-xl:1.625rem;--text-2xl:clamp(2rem,4vw,3.5rem);--ease-out:cubic-bezier(0.16,1,0.3,1);--ease-in:cubic-bezier(0.7,0,0.84,0);--ease-in-out:cubic-bezier(0.65,0,0.35,1);--dur-micro:120ms;--dur-short:220ms;--dur-long:420ms;--radius-sm:0.625rem;--radius-md:0.875rem;--radius-card:1.25rem;--radius-pill:999px;--rule-thin:1px;--control-height-sm:2.25rem;--control-height-md:2.75rem;--control-height-lg:3.25rem;--content-width-sm:48rem;--content-width-md:64rem;--content-width-lg:80rem;--page-gutter:clamp(1rem,3vw,2rem);--page-section-gap:clamp(1.5rem,3vw,2rem);--z-modal:400}.learning-header{border-color:var(--color-program-rule)!important;background:color-mix(in oklch,var(--color-program-surface) 96%,transparent)!important;box-shadow:0 1px 0 var(--color-program-rule)!important}.learning-header .text-brand-text,.learning-header .text-brand-text-secondary{color:var(--color-program-ink)!important}.learning-header .text-brand-text-secondary{color:var(--color-program-muted)!important}.learning-header .bg-brand-secondary\/50{background:var(--color-program-surface-soft)!important}.learning-header .hover\:text-brand-accent:hover{color:var(--color-program-action)!important}.learning-header .hover\:text-brand-danger:hover{color:var(--color-program-danger)!important}.learning-header .hover\:bg-brand-danger-soft:hover{background:var(--color-program-danger-soft)!important}.learning-header .hover\:border-brand-danger-border:hover{border-color:var(--color-program-danger-border)!important}.learning-bottom-nav a:focus-visible,.learning-bottom-nav button:focus-visible,.learning-header a:focus-visible,.learning-header button:focus-visible{outline:2px solid var(--color-program-focus);outline-offset:3px}.learning-bottom-nav__surface{border-color:var(--color-program-rule)!important;background:var(--color-program-surface)!important;box-shadow:0 -10px 30px color-mix(in oklch,var(--color-program-ink) 8%,transparent)!important}.learning-bottom-nav__spacer{background:var(--color-program-paper)}.learning-bottom-nav .text-brand-text-secondary{color:var(--color-program-muted)!important}.learning-bottom-nav .bg-brand-card{background:var(--color-program-surface)!important}