*{box-sizing:border-box;margin:0;padding:0}
body{min-height:100vh;display:grid;place-items:center;padding:24px 16px;
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:linear-gradient(160deg,#0b1f3a 0%,#0f4c81 60%,#1a6fb0 100%);color:#0f172a}
.card{width:100%;max-width:400px;background:#fff;border-radius:16px;padding:30px 28px;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.45)}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:22px}
.brand h1{font-size:20px;line-height:1.2}
.brand p{font-size:13px;color:#64748b}
label{display:block;font-size:13px;font-weight:600;margin:6px 0}
input{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:10px;font-size:16px;letter-spacing:.04em}
input:focus{outline:2px solid #0f4c81;outline-offset:1px;border-color:#0f4c81}
button[type=submit]:not(.link){width:100%;margin-top:14px;padding:11px;border:0;border-radius:10px;
  background:#0f4c81;color:#fff;font-weight:600;font-size:15px;cursor:pointer}
button[type=submit]:not(.link):hover{background:#0b3d69}
.hint{font-size:12.5px;color:#64748b;margin-top:12px}
.row{display:flex;justify-content:space-between;gap:8px;margin-top:14px;flex-wrap:wrap}
.link{background:none;border:0;color:#0f4c81;font-size:13px;cursor:pointer;padding:0}
.link:hover{text-decoration:underline}
.flash{padding:10px 12px;border-radius:10px;font-size:13.5px;margin-bottom:12px}
.flash.danger{background:#fef2f2;color:#b91c1c}
.flash.success{background:#ecfdf5;color:#047857}
.flash.warning{background:#fffbeb;color:#b45309}
.flash.info{background:#eff6ff;color:#1d4ed8}
.foot{margin-top:22px;font-size:12px;color:#94a3b8;text-align:center}