.signin-shell{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 64px);padding:var(--spacing-three,24px)}.signin-card{width:100%;max-width:480px;padding:var(--spacing-four,32px);border-radius:16px;background:var(--theme-background-card,#fff);border:1px solid var(--theme-border-subtle,#e5e7eb);display:flex;flex-direction:column;gap:var(--spacing-two,16px)}.signin-title{font-size:1.5rem;font-weight:700;margin:0;color:var(--theme-text-primary,#111)}.signin-subtitle{margin:0;color:var(--theme-text-secondary,#555);font-size:.95rem}.signin-body{margin:0;color:var(--theme-text-primary,#111);font-size:1rem;line-height:1.5}.signin-flow{margin-top:var(--spacing-one,8px)}.signin-foot{margin:0;font-size:.875rem;color:var(--theme-text-secondary,#555);border-top:1px solid var(--theme-border-subtle,#e5e7eb);padding-top:var(--spacing-one-and-half,12px)}.signin-link{color:var(--color-coral40,#ff5a1f);text-decoration:underline;text-underline-offset:2px}.signin-cta{display:inline-block;align-self:flex-start;padding:10px 20px;border-radius:9999px;background:var(--color-coral40,#ff5a1f);color:#fff;font-weight:600;text-decoration:none;border:0;cursor:pointer;font-size:.95rem}.signin-cta:hover{filter:brightness(1.05)}