:root{color-scheme:light dark;--page: #f3f6f9;--page-glow: #e6f7ef;--card: #ffffff;--surface: #f8fafb;--surface-strong: #f1f5f4;--fg: #18201d;--muted: #68736e;--soft: #8c9691;--line: #dce4e0;--line-strong: #cbd7d1;--accent: #159b68;--accent-strong: #087a50;--accent-soft: #e9f8f1;--done: #168a59;--done-soft: #eaf8f0;--warn: #bf7a16;--warn-soft: #fff7e8;--shadow: 0 24px 70px rgb(31 55 45 / .12), 0 4px 16px rgb(31 55 45 / .06);--shell-width: 500px;--shell-padding: clamp(22px, 5vw, 30px)}@media(prefers-color-scheme:dark){:root{--page: #0b1014;--page-glow: #0d1b17;--card: #141a1e;--surface: #10171b;--surface-strong: #17211f;--fg: #f2f6f4;--muted: #9ba8a2;--soft: #728079;--line: #2a3632;--line-strong: #3a4943;--accent: #3bd49a;--accent-strong: #58e5ad;--accent-soft: #10251d;--done: #3bd49a;--done-soft: #10251d;--warn: #e2a84b;--warn-soft: #281f10;--shadow: 0 28px 80px rgb(0 0 0 / .42), 0 8px 24px rgb(0 0 0 / .22)}}*{box-sizing:border-box}html{min-width:280px}body{margin:0;min-height:100vh;min-height:100svh;display:grid;place-items:center;padding:24px;color:var(--fg);background:radial-gradient(circle at 50% 18%,var(--page-glow) 0,transparent 34rem),var(--page);font:15px/1.55 system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.challenge-card{position:relative;isolation:isolate;width:min(100%,var(--shell-width));min-width:0;padding:var(--shell-padding);overflow:hidden;border:1px solid var(--line);border-radius:16px;background:var(--card);box-shadow:var(--shadow)}.challenge-card:after{content:"";position:absolute;z-index:-1;inset:0;pointer-events:none;border-radius:inherit;box-shadow:inset 0 1px 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.14))}#l7-check{position:absolute;width:38px;height:38px;border-radius:12px;color:#fff;background:var(--done);align-items:center;justify-content:center;box-shadow:0 0 0 5px var(--done-soft);animation:l7-pop .22s cubic-bezier(.2,.8,.2,1)}#l7-check:not([hidden]){display:flex}#l7-check svg{width:20px;height:20px}.verify-copy{min-width:0}.verify-caption{display:block;margin-bottom:2px;color:var(--soft);font-size:10px;font-weight:750;letter-spacing:.095em;line-height:1.2;text-transform:uppercase}#l7-status{margin:0;overflow-wrap:anywhere;color:var(--fg);font-size:14px;font-weight:680;letter-spacing:-.005em;line-height:1.35;white-space:pre-line}.verify-host{display:block;max-width:100%;margin-top:4px;overflow:hidden;color:var(--muted);font:11px/1.3 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;text-overflow:ellipsis;white-space:nowrap}.verify-brand{min-width:101px;display:flex;align-items:center;gap:8px;padding-left:15px;border-left:1px solid 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