:root{--navy:#0B1C33;--blue:#2D7FF9;--bg:#F3F5F9;--card:#fff;--text:#0F172A;--muted:#55627A;--line:#E3E8F0;--ok:#047857;--err:#E11D48}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Inter,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--blue)}
header{background:linear-gradient(135deg,#0B1C33,#163A6B);color:#fff}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
.bar{display:flex;align-items:center;gap:12px;padding:16px 0}
.bar img{width:40px;height:40px;border-radius:10px}
.bar b{font-size:18px}.bar nav{margin-left:auto;display:flex;gap:16px;flex-wrap:wrap}
.bar nav a{color:#cfe0ff;text-decoration:none;font-size:15px}.bar nav a:hover{color:#fff}
.hero{padding:40px 0 56px}.hero h1{font-size:clamp(28px,5vw,42px);line-height:1.15;margin:0 0 12px}
.hero p{color:#c8d6ee;max-width:560px;margin:0 0 24px;font-size:18px}
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;padding:12px 22px;border-radius:12px;border:0;font-size:16px;cursor:pointer}
.btn:hover{background:#1A5FC7}.btn.danger{background:var(--err)}.btn:disabled{opacity:.6;cursor:wait}
main{padding:32px 0 48px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.grid .card{margin:0}.grid h3{margin:0 0 6px;font-size:17px}.grid p{margin:0;color:var(--muted);font-size:15px}
h2{font-size:20px;margin:28px 0 8px}h2:first-child{margin-top:0}
.muted{color:var(--muted)}small{color:var(--muted)}
label{display:block;font-weight:600;margin:14px 0 6px}
input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:16px}
input:focus{outline:2px solid var(--blue);border-color:transparent}
.msg{margin-top:14px;padding:12px 14px;border-radius:10px;display:none}
.msg.ok{display:block;background:#E7F6EF;color:var(--ok)}.msg.err{display:block;background:#FDECEF;color:var(--err)}
footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:14px}
footer a{color:var(--muted)}