.auth { min-height: 100vh; display: grid; place-items: center; padding: var(--s-6); }
.auth-card { width: min(400px, 100%); background: var(--panel); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: var(--s-8) var(--s-6) var(--s-6); box-shadow: var(--elev-2); position: relative; }
.auth-brand { display: flex; flex-direction: column; align-items: center; gap: var(--s-3); margin-bottom: var(--s-6); text-align: center; }
.auth-brand img { width: 112px; height: 112px; }
.auth-brand strong { font-size: var(--fs-2xl); letter-spacing: var(--track-caps); }
.auth-card h1 { text-align: center; }
.auth-card h1 { margin-bottom: var(--s-1); }
.auth-card > p { color: var(--muted); }
.auth-card form { margin-top: var(--s-4); }
.auth-card label { display: block; margin-top: var(--s-3); }
.auth-card label span { display: block; color: var(--muted); font-size: var(--fs-sm); margin-bottom: var(--s-1); }
.auth-card input { width: 100%; }
.auth-actions { margin-top: var(--s-5); display: flex; gap: var(--s-3); align-items: center; }
.auth-actions .primary { flex: 1; }
.auth-card .alert-danger, .auth-card .alert-info, .auth-card .alert-warn { margin-top: var(--s-4); }
.auth-theme { position: absolute; top: var(--s-3); right: var(--s-3); }
.auth-lang { position: absolute; top: var(--s-3); left: var(--s-3); display: flex; gap: 2px; font-size: var(--fs-sm); font-weight: 600; }
.auth-lang a { color: var(--muted); text-decoration: none; padding: 4px 6px; border-radius: var(--r-sm); }
.auth-lang a:hover { color: var(--text); background: var(--surface-3); }
.auth-lang a.active { color: var(--text); background: var(--surface-2); }
.auth-foot { margin-top: var(--s-5); color: var(--muted); font-size: var(--fs-sm); }
.auth-foot a { color: var(--accent-strong); }
.mono { font-family: var(--font-mono); }