*{box-sizing:border-box}
body{margin:0;font-family:Arial,sans-serif;background:#0b1220;color:#fff}
.app{max-width:1100px;margin:0 auto;padding:20px}
.hero{text-align:center;margin-bottom:18px}
.hero h1{margin:0 0 8px;font-size:34px}
.hero p{margin:0;color:#94a3b8}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}
.stat{background:#111827;border:1px solid #1f2937;border-radius:18px;padding:18px}
.label{display:block;color:#94a3b8;font-size:13px;margin-bottom:8px}
.value{font-size:34px;font-weight:800}
.layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.card{background:#111827;border:1px solid #1f2937;border-radius:18px;padding:18px}
#reader{width:100%;min-height:360px;overflow:hidden;border-radius:14px;background:#000;margin-top:12px}
input{width:100%;padding:12px;border-radius:12px;border:1px solid #334155;background:#0f172a;color:#fff}
.hint{margin-top:12px;color:#94a3b8}
.result{border-radius:18px;padding:22px;min-height:170px;display:flex;flex-direction:column;justify-content:center}
#resultTitle{font-size:38px;font-weight:900;text-align:center;margin-bottom:10px}
#resultDetail{white-space:pre-line;font-size:18px;line-height:1.5;text-align:center}
.neutral{background:#334155}.ok{background:#166534}.bad{background:#b91c1c}
.list-box{margin-top:16px;background:#0f172a;border-radius:14px;padding:14px}
.list-box h3{margin:0 0 10px}
ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
li{padding:10px 12px;border-radius:10px;font-size:14px;word-break:break-all}
.ok-item{background:#052e16}.bad-item{background:#450a0a}
pre{margin-top:16px;background:#020617;color:#93c5fd;border-radius:14px;padding:14px;min-height:90px;overflow:auto;white-space:pre-wrap;font-size:12px}
@media (max-width:960px){.stats{grid-template-columns:1fr}.layout{grid-template-columns:1fr}}