.zk.signup{min-height:100vh;max-width:520px;padding:0 20px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:32px;text-align:center}.zk .signup-logo{display:inline-flex;align-items:center;min-height:44px;font-size:26px;text-decoration:none}.zk .signup-logo .zk-logo{gap:10px}.zk .signup-logo.large{font-size:40px}.zk .signup-logo.large .zk-logo{gap:12px}.zk .welcome-card{width:100%;display:flex;flex-direction:column;align-items:center;gap:14px}.zk .welcome-card h1{margin:0;font-family:"Instrument Serif",Georgia,serif;font-weight:400;font-size:clamp(40px,9vw,56px);line-height:1.04;letter-spacing:-.01em;text-wrap:balance}.zk .welcome-card p{margin:0;font-size:17px;line-height:1.6;color:var(--muted);text-wrap:pretty}.zk .welcome-card p strong{color:var(--fg);font-weight:600}.zk .welcome-muted{font-size:15px}.zk .welcome-card p.welcome-lead{color:var(--fg)}.zk .welcome-check{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:#0f1a14;background:var(--ok);margin-bottom:4px}.zk .welcome-back{display:inline-flex;align-items:center;min-height:44px;margin-top:4px;padding:0;font:inherit;font-size:15px;color:var(--muted);background:none;border:0;cursor:pointer;text-decoration:underline;text-underline-offset:3px}.zk .welcome-back:hover{color:var(--fg)}.zk .join-actions{width:100%;max-width:360px;display:flex;flex-direction:column;gap:10px;margin-top:12px}.zk .join-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;height:52px;border-radius:12px;border:1px solid var(--line);background:var(--box);color:var(--fg);font:inherit;font-size:16px;font-weight:600;cursor:pointer}.zk .join-btn:hover:not(:disabled){border-color:var(--muted)}.zk .join-btn:disabled{opacity:.6;cursor:progress}.zk .join-btn:focus-visible{outline:2px solid var(--fg);outline-offset:2px}.zk .join-github{background:var(--fg);color:var(--bg);border-color:var(--fg)}.zk .join-github:hover:not(:disabled){background:#d6d6d6;border-color:#d6d6d6}.zk .join-error{min-height:1.4em;font-size:14px;color:var(--bad)}.zk .signup-fine{font-size:13px}.zk .signup-fine a{color:var(--muted)}.zk .welcome-card .btn{margin-top:10px}.zk .invite-form{width:100%;max-width:360px;display:flex;flex-direction:column;align-items:stretch;gap:6px;margin-top:8px}.zk .invite-code{width:100%;height:60px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:var(--box);color:var(--fg);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:28px;letter-spacing:.3em;text-align:center}.zk .invite-code::placeholder{color:var(--faint)}.zk .invite-code:focus-visible{outline:2px solid var(--fg);outline-offset:2px}.zk .invite-code[aria-invalid=true]{border-color:var(--bad)}.zk .welcome-card .invite-msg{min-height:1.4em;font-size:14px;line-height:1.4;color:var(--bad)}.zk .invite-form .join-actions{max-width:none;margin-top:0}