.signin-shell{background:var(--color-canvas);color:var(--color-on-primary);flex-direction:column;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0;overflow-y:auto}.signin-stack{flex-direction:column;align-items:center;gap:24px;width:100%;max-width:420px;display:flex}.signin-brand{align-items:center;display:flex}.signin-card{background:var(--color-night);border:1px solid var(--color-hairline);border-radius:var(--radius-xl);flex-direction:column;gap:20px;width:100%;max-width:420px;padding:40px 32px;display:flex}.signin-eyebrow{color:var(--color-on-dark-muted);margin:0}.signin-headline{font-family:var(--font-display);font-size:var(--text-headline);letter-spacing:-.5px;color:var(--color-on-primary);margin:0;font-weight:700;line-height:1.1}.signin-lede{font-size:var(--text-body);color:var(--color-on-dark-muted);margin:0}.signin-form{flex-direction:column;gap:16px;margin-top:8px;display:flex}.signin-field{flex-direction:column;gap:6px;display:flex}.signin-label{color:var(--color-on-dark-muted)}.signin-input{font:inherit;font-size:var(--text-body);color:var(--color-on-primary);background:var(--color-canvas);border:1px solid var(--color-control-border);border-radius:var(--radius-sm);outline:none;padding:12px 14px;transition:border-color .12s,box-shadow .12s}.signin-input:focus-visible{border-color:var(--color-focus-solid);box-shadow:0 0 0 3px var(--color-focus-solid)}.signin-submit{background:var(--color-violet);color:var(--color-on-primary);border-radius:var(--radius-md);cursor:pointer;padding:12px 16px;transition:background-color .12s}.signin-submit:hover{background:var(--color-violet-deep)}.signin-submit:focus-visible{outline:2px solid var(--color-violet);outline-offset:2px}.signin-submit:disabled{background:var(--color-night);color:var(--color-on-dark-muted);cursor:not-allowed}.signin-callout{border-radius:var(--radius-md);padding:12px 14px;font-size:14px;line-height:1.4}.signin-callout-info{background:var(--color-night);color:var(--color-on-primary);border:1px solid var(--color-violet)}.signin-callout-error{background:var(--color-night);color:var(--color-on-primary);border:1px solid var(--color-pink);box-shadow:inset 3px 0 0 var(--color-pink)}.signin-footer{color:var(--color-on-dark-quiet);margin-top:8px;font-size:12px}