:root{--bg:#F3F2F0;--card:#FFFFFF;--ink:#151515;--muted:#55524F;--line:#DEDBD7;--red:#B71C1C;--ok:#1B6B3A;--ok-soft:#E3F2E8;--bad-soft:#FBE9E8;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#121212;--card:#1B1B1B;--ink:#F1EFEC;--muted:#A9A5A0;--line:#34312F;--red:#FF6B63;--ok:#7FD39B;--ok-soft:#173222;--bad-soft:#3A1F1E;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans","Segoe UI",Arial,sans-serif;font-size:15px;line-height:1.55}
.v{max-width:620px;margin:0 auto;padding:32px max(16px,env(safe-area-inset-left,0px)) 48px max(16px,env(safe-area-inset-right,0px));display:flex;flex-direction:column;gap:20px}
header{display:flex;align-items:center;gap:14px;border-bottom:3px solid var(--red);padding-bottom:14px}
header img{width:52px;height:60px;object-fit:contain}
header b{display:block;font-family:"Barlow Condensed","Arial Narrow",sans-serif;font-weight:800;font-size:24px;letter-spacing:.5px;text-transform:uppercase;line-height:1}
header span{font-family:"IBM Plex Mono",Consolas,monospace;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}
h1{margin:6px 0 0;font-family:"Barlow Condensed","Arial Narrow",sans-serif;font-weight:800;font-size:34px;letter-spacing:.5px;text-transform:uppercase;line-height:1.05}
.lead{margin:0;color:var(--muted)}
form{display:flex;flex-direction:column;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px}
label{font-weight:600;font-size:13px;color:var(--muted)}
input{font:inherit;color:inherit;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:10px 12px;min-height:44px;margin-bottom:6px}
button{font:inherit;font-weight:600;background:var(--red);color:#fff;border:0;border-radius:7px;min-height:46px;cursor:pointer;margin-top:4px}
:focus-visible{outline:2px solid #1F5FBF;outline-offset:2px}
.res{border-radius:10px;padding:18px 20px;border:1px solid var(--line);background:var(--card)}
.res.ok{border-color:var(--ok);background:var(--ok-soft)}
.res.bad{border-color:var(--red);background:var(--bad-soft)}
.tag{margin:0 0 10px;font-family:"Barlow Condensed","Arial Narrow",sans-serif;font-weight:800;font-size:22px;letter-spacing:.6px;text-transform:uppercase}
.res.ok .tag{color:var(--ok)} .res.bad .tag{color:var(--red)}
dl{display:grid;grid-template-columns:120px minmax(0,1fr);gap:6px 14px;margin:0}
dt{color:var(--muted);font-size:13px} dd{margin:0;font-weight:500;min-width:0;overflow-wrap:anywhere}
.mono{font-family:"IBM Plex Mono",Consolas,monospace;font-size:14px}
.again a{color:var(--red);font-weight:600}
footer{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}