:root{--c-red: #d2232a;--c-red-strong: #a61b21;--c-red-tint: #fbedee;--c-accent-theory: var(--c-red);--c-accent-practical: #17171a;--c-text: #17171a;--c-text-muted: #6a655e;--c-text-on-dark: #ffffff;--c-ground: #faf7f4;--c-surface: #ffffff;--c-surface-raised: #fdfbf9;--c-surface-sunken: #f5f1ec;--c-surface-inverse: #17171a;--g-card: linear-gradient(180deg, #ffffff 0%, #fdfbf9 100%);--g-panel: linear-gradient(180deg, #fdfbf9 0%, #f8f4ef 100%);--c-inverse-raised: #222226;--c-inverse-hover: #33333a;--c-inverse-line: #44444c;--c-text-muted-on-dark: #c9c9d0;--c-line: #e7e1da;--c-line-strong: #d5cec5;--c-line-card: #b5aca0;--c-line-control: #8b857c;--c-ok: #2c7743;--c-ok-bg: #e6f4ea;--c-ok-line: #b7e1cd;--c-danger: #a61b21;--c-danger-bg: #fce8e6;--c-danger-line: #f5c6cb;--c-warn: #8a5b00;--c-warn-bg: #fff7e6;--c-warn-line: #f0d9a8;--font-sans: "Segoe UI", Arial, Helvetica, sans-serif;--t-xs: 12px;--t-sm: 13px;--t-base: 15px;--t-md: 17px;--t-lg: 20px;--t-xl: 24px;--t-2xl: 30px;--lh-tight: 1.25;--lh-base: 1.5;--lh-loose: 1.65;--fw-normal: 400;--fw-semi: 600;--track-caps: .08em;--track-tight: -.01em;--t-display: 38px;--s-1: 4px;--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-5: 20px;--s-6: 24px;--s-8: 32px;--s-10: 40px;--s-12: 48px;--r-sm: 4px;--r-md: 6px;--r-lg: 10px;--r-pill: 999px;--e-1: 0 1px 2px rgba(23, 23, 26, .06), 0 1px 3px rgba(23, 23, 26, .08);--e-2: 0 2px 6px rgba(23, 23, 26, .08), 0 8px 20px rgba(23, 23, 26, .08);--e-3: 0 8px 24px rgba(23, 23, 26, .14), 0 24px 48px rgba(23, 23, 26, .16);--m-fast: .12s;--m-base: .18s;--m-slow: .26s;--m-ease: cubic-bezier(.2, .6, .3, 1);--tap-min: 44px;--measure: 68ch;--w-reading: 100%;--pad-screen: var(--s-3);--pad-card: var(--s-4);--t-question: var(--t-md);--gap-options: var(--s-2);--row-dir: column;--row-align: stretch;--row-gap: var(--s-3);--grid-2: 1fr;--grid-cards: 1fr;--grid-fields: 1fr;--w-content: 100%;--w-content-wide: 100%}@media (min-width: 640px){:root{--pad-screen: var(--s-6);--pad-card: var(--s-6);--t-question: var(--t-lg);--gap-options: var(--s-3);--row-dir: row;--row-align: center;--row-gap: var(--s-4);--grid-2: 1fr 1fr;--grid-fields: 1fr 1fr;--w-content: min(80%, 1010px);--w-content-wide: min(80%, 1250px);--w-reading: min(100%, 720px)}}@media (min-width: 1024px){:root{--pad-screen: var(--s-8);--pad-card: var(--s-6);--grid-cards: repeat(auto-fill, minmax(300px, 1fr));--grid-fields: repeat(4, 1fr);--w-content: min(80%, 1180px);--w-content-wide: min(80%, 1420px);--w-reading: min(100%, 800px)}}@media (min-width: 1440px){:root{--pad-screen: var(--s-10);--grid-cards: repeat(auto-fill, minmax(340px, 1fr));--w-content: min(78%, 1440px);--w-content-wide: min(80%, 1760px);--w-reading: min(100%, 860px)}}*,*:before,*:after{box-sizing:border-box}body,h1,h2,h3,h4,p,figure{margin:0}body{font-family:var(--font-sans);font-size:var(--t-base);line-height:var(--lh-base);color:var(--c-text);background-color:var(--c-ground);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}:focus-visible{outline:3px solid var(--c-red);outline-offset:2px;border-radius:var(--r-sm)}button{font:inherit;color:inherit}.u-skeleton{background-color:var(--c-surface-sunken);background-image:linear-gradient(90deg,var(--c-surface-sunken) 0%,var(--c-line) 50%,var(--c-surface-sunken) 100%);background-size:200% 100%;animation:u-skeleton-sweep 1.4s var(--m-ease) infinite}@keyframes u-skeleton-sweep{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.u-skeleton{background-image:none;background-color:var(--c-surface-sunken)}}