:root{
  --bg:#0b0c0e; --card:#121317; --border:#1c1f26; --fg:#ececec; --muted:#9aa3ad; --accent:#37aaf8;
}
*{box-sizing:border-box} html,body{height:100%}
/* Prevent font autosizing and zoom on iOS */
html{-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Arial,sans-serif;font-size:16px;line-height:1.4}
a{color:var(--accent);text-decoration:none}
.container{max-width:960px;margin:0 auto;padding:24px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;margin:14px 0;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.btn{display:inline-block;background:var(--accent);color:#03121e;border:0;border-radius:12px;padding:12px 16px;font-weight:600;cursor:pointer;font-size:16px}
.input,select,textarea{width:100%;padding:12px;border-radius:12px;background:#0a0c10;border:1px solid var(--border);color:var(--fg);outline:none;font-size:16px}
header{border-bottom:1px solid var(--border);background:#0a0c10;position:sticky;top:0;z-index:10}
.header-inner{max-width:960px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:16px}
.logo{height:22px;display:block}
.nav{margin-left:auto;display:flex;gap:12px}
.centerwrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.center{max-width:420px;width:100%}
.error{background:#2a1111;border:1px solid #5b1c1c;color:#ffb0b0;padding:10px 12px;border-radius:10px;margin:0 0 10px}
.success{background:#102616;border:1px solid #1b4b2e;color:#b5ffcf;padding:10px 12px;border-radius:10px;margin:0 0 10px}
.small{color:var(--muted);font-size:13px}
footer{border-top:1px solid var(--border);padding:16px;margin-top:24px;color:var(--muted);text-align:center}
.badge{display:inline-block;background:#0f2030;color:#bfe6ff;border:1px solid #183246;padding:4px 10px;border-radius:100px;font-size:12px}