.security-login { min-height: 100vh; margin: 0; padding-top: 0; background: var(--lab-bg); color: var(--lab-text); }
.security-brand { background: #1b3a59; padding: 20px 32px; }
.security-brand img { width: 180px; height: 64px; object-fit: contain; filter: brightness(0) invert(1); }
.security-login-main { display: grid; place-items: center; padding: 48px 20px; }
.security-login-form { width: 100%; max-width: 420px; background: #fff; padding: 32px; border: 1px solid #d4dee8; border-radius: 8px; }
.security-login-form h1 { font-size: 26px; margin-bottom: 28px; }
.security-form { width: 100%; max-width: 520px; }
.security-editor { max-width: 1100px; }
.security-permissions { min-width: 620px; }
.security-permissions th, .security-permissions td { padding: 12px; }
.security-permissions td { text-align: center; }
.security-permissions .form-check-input { float: none; margin: 0; width: 20px; height: 20px; cursor: pointer; }
.lab-user-name, .lab-user-role { display: block; }
@media (max-width: 480px) { .security-login-form { padding: 24px 20px; } .security-brand { padding: 12px 20px; } }