.login-shell { display: grid; min-height: 100vh; place-items: center; padding: 24px 16px; }
.login-panel { width: min(100%, 380px); display: grid; gap: 18px; }
.login-panel .ecos-title { font-size: 20px; }
.login-panel .ecos-title small { margin-left: 6px; color: var(--ecos-muted); font-size: 11px; font-weight: 500; }
.login-form { display: grid; gap: 14px; }
.login-alert { display: none; margin: 0; padding: 8px 10px; border-left: 3px solid var(--ecos-red); background: var(--ecos-red-soft); color: var(--ecos-red); font-size: 12px; }
.login-alert:target { display: block; }