* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.login-body {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 100%);
    font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: #1a1d22;
}
.login-card {
    background: #fff; padding: 32px 36px; border-radius: 12px;
    box-shadow: 0 4px 24px rgba(16,24,40,.08); width: 360px; max-width: 92vw;
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-sub { color: #6b7280; margin: 0 0 20px; font-size: 13px; }
.login-card label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: 13px; }
.login-card input {
    width: 100%; padding: 9px 11px; border: 1px solid #d4d8de; border-radius: 7px; font: inherit;
}
.login-card input:focus { outline: 2px solid #c6d4ff; border-color: #3056d3; }
.login-card button {
    width: 100%; margin-top: 18px; padding: 10px;
    background: #3056d3; color: #fff; border: 0; border-radius: 7px; font-size: 14px;
    font-weight: 600; cursor: pointer;
}
.login-card button:hover { filter: brightness(1.05); }
.login-err {
    background: #fdecec; color: #b91c1c; padding: 10px 14px;
    border-radius: 6px; font-size: 13px; margin-bottom: 12px;
}
.login-hint { color: #6b7280; font-size: 12px; margin-top: 20px; text-align: center; }