:root{--bg:#eef2f7;--card:#ffffff;--ink:#14213a;--muted:#5b6b84;--line:#d6deea;--accent:#2f6fd6;--accent-ink:#ffffff}
@media(prefers-color-scheme:dark){:root{--bg:#0b1220;--card:#121c2f;--ink:#e8eef9;--muted:#9fb0c9;--line:#22324d;--accent:#5b93f0;--accent-ink:#071022}}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body.yf-age-gate{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px;background:radial-gradient(ellipse at 50% 0%,color-mix(in srgb,var(--accent) 18%,transparent),transparent 60%),var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.yf-age-card{width:100%;max-width:440px;padding:32px 28px;border:1px solid var(--line);border-radius:20px;background:var(--card);box-shadow:0 18px 50px rgba(8,18,40,.18);text-align:center}
.yf-age-badge{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;border:2px solid var(--accent);color:var(--accent);font-weight:800;font-size:20px;letter-spacing:-.02em}
.yf-age-card h1{margin:16px 0 8px;font-size:26px;letter-spacing:-.02em}
.yf-age-card p{margin:0 0 22px;color:var(--muted)}
.yf-age-enter{display:block;width:100%;min-height:48px;padding:12px 18px;border:0;border-radius:12px;background:var(--accent);color:var(--accent-ink);font:inherit;font-weight:700;cursor:pointer}
.yf-age-enter:hover{filter:brightness(1.07)}
.yf-age-enter:focus-visible,.yf-age-leave:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 45%,transparent);outline-offset:2px}
.yf-age-leave{display:flex;align-items:center;justify-content:center;min-height:44px;margin-top:10px;border:1px solid var(--line);border-radius:12px;color:var(--ink);text-decoration:none;font-weight:600}
.yf-age-links{margin:20px 0 0!important;font-size:13px}
.yf-age-links a{color:var(--muted)}