:root{color-scheme:light;--green:#073f31;--ink:#14231c;--cream:#f6f4eb;--lime:#d9efab;--muted:#607369}
*{box-sizing:border-box}
body{margin:0;min-height:100svh;background:var(--green);font-family:Arial,Helvetica,sans-serif;color:var(--ink);display:grid;place-items:center;padding:32px 20px;position:relative;isolation:isolate}
body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 12% 8%,#28634e 0,transparent 47%),radial-gradient(ellipse at 92% 93%,#1a5544 0,transparent 42%)}
.shell{width:min(100%,480px)}
.brand{text-align:center;color:var(--cream);font-size:12px;line-height:1.45;letter-spacing:2.5px;font-weight:700;text-transform:uppercase;margin:0 0 24px}
.card{background:var(--cream);padding:34px 28px 28px;border-radius:26px;box-shadow:0 22px 70px #001b2640;text-align:center;border:1px solid #ffffff66}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid #c7d4be;border-radius:100px;color:var(--green);font-size:11px;font-weight:700;letter-spacing:1.1px;text-transform:uppercase}
.dot{width:7px;height:7px;border-radius:50%;background:#578641}
.icon{margin:24px auto 16px;width:64px;height:48px;display:grid;place-items:center;border-radius:15px;background:var(--green);color:var(--cream)}
.icon svg{width:25px;height:25px}
h1{font-size:36px;line-height:1.08;letter-spacing:-1.4px;margin:0 0 18px;font-weight:800}
.instruction{font-size:16px;line-height:1.5;max-width:300px;margin:0 auto;color:#465b4e}
.instruction strong{color:var(--green)}
.status{min-height:38px;margin:24px 0 12px;font-size:13px;line-height:1.45;color:var(--muted)}
.primary{width:100%;min-height:56px;background:var(--green);color:white;display:flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;padding:16px 12px;border-radius:13px;font-size:15px;font-weight:700;line-height:1.35;transition:background .15s}
.primary:hover{background:#0b5540}
.primary svg{height:18px;width:18px;flex:none}
.secondary{color:#486251;font-size:13px;display:inline-block;padding:14px 10px 5px;text-underline-offset:4px;line-height:1.4}
.help{font-size:12px;line-height:1.5;text-align:left;background:#e9edde;border-radius:12px;padding:13px 15px;margin:23px 0 0;color:#4a614f}
.help strong{color:var(--green)}
.lessons{display:flex;justify-content:center;gap:8px;margin:24px 0 0;flex-wrap:wrap}
.lessons a{color:#c5d8ce;text-decoration:none;font-size:12px;border:1px solid #7494835c;padding:10px 12px;border-radius:8px}
.lessons a[aria-current=page]{background:var(--lime);border-color:var(--lime);color:var(--green);font-weight:700}
.credit{text-align:center;font-size:11px;color:#baccc2;margin:18px 0 0}
a:focus-visible{outline:3px solid #93b853;outline-offset:4px}
noscript p{font-size:13px;line-height:1.5;color:#465b4e}
@media(max-width:360px){body{padding:20px 14px}.card{padding:28px 20px 22px}h1{font-size:32px}.primary{font-size:14px}.lessons{gap:6px}.lessons a{padding:10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}