:root{--bg:#0a1220;--ink:#eef2ff;--accent:#4da3ff;--ok:#103a19;--warn:#3a1010}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink);}
.header,.footer{padding:16px;background:#0f1b3a}
.header nav a{margin-right:12px;color:var(--accent);text-decoration:none}
.container{padding:24px;max-width:960px;margin:auto}
.btn{padding:12px 18px;background:var(--accent);border:none;border-radius:8px;color:#001a33;cursor:pointer;text-decoration:none;display:inline-block}
label{display:block;margin-bottom:12px}
input,select,textarea{width:100%;padding:10px;margin-top:6px;border-radius:6px;border:1px solid #2a3350;background:#0f1b3a;color:var(--ink)}
.note{margin-top:10px;opacity:.9;font-size:.95rem}
#submitMessage{margin-top:12px;padding:12px;border-radius:8px}
#submitMessage.ok{background:var(--ok)}
#submitMessage.err{background:var(--warn)}
.progress{margin-top:8px;font-size:.9rem}