:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--page:#f8f9f8;--surface:#fff;--surface-soft:#f1f4f2;--ink:#242a28;--muted:#59655e;--accent:#326653;--accent-soft:#e3efe9;--button:#326653;--on-button:#fff;--line:#e4e8e5;--band:#2b5747;--on-band:#fff;--band-muted:#d3e6dd;--shadow:0 24px 60px #1c2b2414, 0 2px 8px #1c2b240a;color:var(--ink);background:var(--page);font-synthesis:none;scroll-padding-top:88px;font-family:Segoe UI,ui-sans-serif,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--page:#141816;--surface:#1d2320;--surface-soft:#252d29;--ink:#f0f3f1;--muted:#b4c0b9;--accent:#a8d4bf;--accent-soft:#24372e;--button:#a8d4bf;--on-button:#18271f;--line:#33403a;--band:#1f3028;--on-band:#f0f3f1;--band-muted:#b4c0b9;--shadow:0 24px 60px #0000004d, 0 2px 8px #0003}}@media 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16px;padding:10px 12px;font-size:12px}.art-card blockquote span{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px;font-size:9px;font-weight:650;display:block}.art-card div{border-top:1px solid var(--line);gap:8px;padding:10px;display:flex}.art-card div span{border:1px solid var(--line);text-align:center;white-space:nowrap;border-radius:8px;flex:1;padding:8px 4px;font-size:12px;font-weight:600}.art-card div span:last-child{border-color:var(--button);background:var(--button);color:var(--on-button)}.art-progress{--activity-1:#e5efe8;--activity-2:#c4dbc9;--activity-3:#83aa91;--activity-4:#326653;gap:12px}@media (prefers-color-scheme:dark){.art-progress{--activity-1:#25362d;--activity-2:#315442;--activity-3:#42745b;--activity-4:#5b9674}}.art-stats{gap:8px;display:flex}.art-stats div{border:1px solid var(--line);background:var(--surface);border-radius:10px;flex-direction:column;flex:1 1 0;gap:4px;min-width:0;padding:12px 14px;display:flex}.art-stats 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[data-level="4"]{background:var(--activity-4);color:#fff}.art-calendar .is-today{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:2px}.art-calendar .is-future{border:1px dashed var(--line);color:var(--muted);background:0 0}.art-calendar .is-blank{visibility:hidden}.getting-started{border-block:1px solid var(--line);background:var(--surface);text-align:center;padding:96px 0}.getting-started h2,.section-intro{margin-inline:auto}.section-intro{max-width:560px;margin-top:14px;font-size:16px}.step-list{grid-template-columns:repeat(3,1fr);gap:40px;margin:52px 0 0;padding:0;list-style:none;display:grid}.step-list li{min-width:0;position:relative}.step-list p{max-width:300px;margin-inline:auto}.step-list li:not(:last-child):after{content:"";border-top:2px dashed var(--line);width:calc(100% - 28px);position:absolute;top:21px;left:calc(50% + 34px)}.step-number{background:var(--accent-soft);width:44px;height:44px;color:var(--accent);border-radius:50%;place-items:center;margin:0 auto 22px;font-size:16px;font-weight:700;display:grid}.offline{background:var(--band);color:var(--on-band);border-radius:24px;grid-template-columns:1.3fr 1fr;align-items:center;gap:48px;margin-top:104px;padding:52px;display:grid}.offline .section-label,.offline p{color:var(--band-muted)}.offline h2{margin-bottom:16px}.offline .fine-print{border:1px solid color-mix(in srgb, var(--on-band) 18%, transparent);background:color-mix(in srgb, var(--on-band) 7%, transparent);border-radius:16px;gap:12px;padding:22px;font-size:14px;display:flex}.fine-print .icon{margin-top:4px}.faq{grid-template-columns:1fr 1.7fr;gap:64px;padding:104px 0;display:grid}.faq-list{gap:12px;min-width:0;display:grid}.faq details{border:1px solid var(--line);background:var(--surface);border-radius:14px}.faq details[open]{border-color:color-mix(in srgb, var(--accent) 35%, 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24px}.footer-main,.footer-bottom{flex-direction:column;gap:12px}.footer-main nav{gap:0 20px}}@media (width<=480px){.header-inner{min-height:64px}.header-open{display:none}h1{font-size:34px}.languages{margin-right:0}.actions .button{width:100%}.sample-front,.sample-back{min-height:260px}.card-actions{gap:8px;padding:12px}.card-actions .button{font-size:13px}.art-table p{grid-template-columns:1.3fr 1.1fr 40px 40px;gap:8px;padding:10px 12px}}