.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.focus\:not-sr-only:focus{position:fixed;top:12px;left:12px;width:auto;height:auto;padding:.6rem 1rem;margin:0;clip:auto;background:var(--color-ink);color:#fff;border-radius:9999px;z-index:100}.auth-shell{min-height:100dvh;display:flex;flex-direction:column;background:radial-gradient(120% 60% at 50% -10%,var(--color-surface) 0%,transparent 60%),var(--color-bg-2)}.auth-top{display:flex;align-items:center;justify-content:space-between;padding-top:1.5rem}.auth-top-left{display:inline-flex;align-items:center;gap:.85rem}.auth-back{display:inline-flex;align-items:center;gap:.2rem;color:var(--color-ink-soft);font-weight:600;font-size:.95rem;text-decoration:none;padding:.35rem .55rem .35rem .35rem;border-radius:9999px;transition:color .15s,background-color .15s}.auth-back:hover{color:var(--color-ink);background:var(--color-surface)}.auth-back:focus-visible{outline:2px solid var(--color-accent);outline-offset:1px}.auth-back-icon{display:block}@media(max-width:28rem){.auth-back-label{display:none}}.auth-logo{display:inline-flex;align-items:center;gap:.5rem}.auth-logo .mark{width:32px;height:32px;border-radius:8px;box-shadow:0 4px 10px -4px #0f1a1466}.auth-logo .word{font-family:var(--font-serif);font-size:1.35rem;color:var(--color-ink)}.auth-main{flex:1;display:grid;place-items:center;padding-block:clamp(2rem,6vw,4rem)}.auth-card{width:100%;max-width:27rem;background:var(--color-bg);border:1px solid var(--color-line);border-radius:var(--radius-2xl);box-shadow:0 18px 50px -28px #0f1a1452;padding:clamp(1.5rem,4vw,2.4rem)}.auth-card.is-wide{max-width:40rem}.auth-card h1{font-size:clamp(1.6rem,3.5vw,2.1rem);margin:0}.auth-eyebrow{margin-bottom:.6rem}.auth-sub{margin-top:.5rem;color:var(--color-ink-soft);font-size:.98rem}.auth-tabs{display:flex;gap:.25rem;margin-bottom:1.3rem;padding:.25rem;background:var(--color-surface);border-radius:9999px}.auth-tab{flex:1;border:0;background:none;cursor:pointer;font:inherit;font-size:.9rem;color:var(--color-ink-soft);padding:.55rem .9rem;border-radius:9999px;transition:background-color .15s,color .15s}.auth-tab.is-on{background:var(--color-bg);color:var(--color-ink);font-weight:600;box-shadow:0 2px 8px -4px #0f1a144d}.auth-card[data-mode=signup]{border-color:color-mix(in srgb,var(--color-accent) 45%,var(--color-line));box-shadow:0 18px 50px -28px color-mix(in srgb,var(--color-accent) 60%,transparent)}.auth-hint{margin:0;font-size:.8rem;color:var(--color-ink-muted)}.auth-form{display:flex;flex-direction:column;gap:.9rem;margin-top:1.5rem}.auth-field{display:flex;flex-direction:column;gap:.35rem}.auth-field label{font-size:.82rem;font-weight:600;color:var(--color-ink-strong)}.auth-input{width:100%;border:1px solid var(--color-line);background:#fff;border-radius:var(--radius-xl);padding:.85rem 1.05rem;font:inherit;color:var(--color-ink)}.auth-input:focus-visible{outline:2px solid var(--color-accent);outline-offset:1px}.auth-submit{width:100%;margin-top:.2rem}.btn[disabled],.btn:disabled{opacity:.6;cursor:progress;transform:none}.auth-error{margin:0;padding:.7rem .9rem;border-radius:var(--radius-xl);background:color-mix(in srgb,var(--color-danger) 12%,#fff);border:1px solid color-mix(in srgb,var(--color-danger) 40%,transparent);color:color-mix(in srgb,var(--color-danger) 70%,var(--color-ink));font-size:.9rem}.auth-status{margin:0;padding:.7rem .9rem;border-radius:var(--radius-xl);background:color-mix(in srgb,var(--color-accent) 10%,#fff);border:1px solid color-mix(in srgb,var(--color-accent) 35%,transparent);color:var(--color-ink-strong);font-size:.9rem}[hidden]{display:none!important}.auth-divider{display:flex;align-items:center;gap:.8rem;margin:1.3rem 0;color:var(--color-ink-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.1em}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--color-line)}.auth-alt{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem 1rem;margin-top:1.2rem;font-size:.9rem}.auth-link{color:var(--color-accent);background:none;border:0;padding:0;cursor:pointer;font:inherit;font-weight:600}.auth-link:hover{text-decoration:underline}