.gmp-checker{display:flex;justify-content:center;padding:40px 16px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
.gmp-checker-card{background:#fff;width:100%;max-width:560px;padding:40px;border-radius:20px;box-shadow:0 20px 60px -20px rgba(0,0,0,.15);border:1px solid #e5e7eb}
.gmp-checker-card h2{margin:0 0 8px;font-size:28px;font-weight:700;color:#0f172a;text-align:center}
.gmp-checker-sub{margin:0 0 28px;color:#64748b;text-align:center;font-size:15px}
.gmp-checker-form{display:flex;gap:8px;flex-wrap:wrap}
.gmp-checker-form input{flex:1;min-width:200px;padding:14px 16px;border:2px solid #e5e7eb;border-radius:12px;font-size:16px;text-transform:uppercase;letter-spacing:.5px;transition:border-color .15s}
.gmp-checker-form input:focus{outline:none;border-color:#6366f1;box-shadow:0 0 0 4px rgba(99,102,241,.12)}
.gmp-checker-form button{padding:14px 24px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:0;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .1s, box-shadow .15s;box-shadow:0 4px 16px -4px rgba(99,102,241,.5)}
.gmp-checker-form button:hover{transform:translateY(-1px);box-shadow:0 8px 24px -6px rgba(99,102,241,.6)}
.gmp-checker-form button:disabled{opacity:.6;cursor:wait}
.gmp-checker-result{margin-top:24px;padding:20px;border-radius:12px;display:none;font-size:15px}
.gmp-checker-result.show{display:block;animation:gmpFade .25s ease}
.gmp-checker-result.ok{background:#ecfdf5;border:1px solid #10b981;color:#065f46}
.gmp-checker-result.err{background:#fef2f2;border:1px solid #ef4444;color:#991b1b}
.gmp-checker-result strong{display:block;font-size:18px;margin-bottom:8px}
.gmp-checker-result ul{margin:8px 0 0;padding-left:18px}
@keyframes gmpFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}