/* Sign-in and join pages for invited people (docs/guests.md). Uses the hub's colours from style.css. */
body.guest-auth { display: block; overflow: auto; min-height: 100vh; margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); }
.guest-auth main { max-width: 420px; margin: 12vh auto 40px; padding: 0 20px; }
.guest-auth .card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.guest-auth .brand { margin: 0 0 18px; font: 600 12px var(--mono, monospace); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.guest-auth h1 { font-size: 22px; margin: 0 0 6px; }
.guest-auth .lead { color: var(--muted); line-height: 1.5; margin: 0 0 20px; }
.guest-auth .lead b { color: var(--text); }
.guest-auth form { display: grid; gap: 14px; }
.guest-auth label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
.guest-auth label small { font-weight: 400; color: var(--faint); }
.guest-auth input { font: 15px var(--font); padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--panel); color: var(--text); }
.guest-auth input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.guest-auth button, .guest-auth .google { font: 600 15px var(--font); border-radius: 10px; padding: 11px 16px; cursor: pointer; text-align: center; text-decoration: none; }
.guest-auth button.primary { background: var(--accent); border: 1px solid var(--accent); color: #fff; }
.guest-auth button.primary:hover { background: var(--accent-hover); }
.guest-auth button:disabled { opacity: .6; cursor: wait; }
.guest-auth .google { display: block; border: 1px solid var(--line-strong); color: var(--text); background: var(--panel); }
.guest-auth .google:hover { background: var(--sunken); }
.guest-auth .or { display: flex; align-items: center; gap: 10px; color: var(--faint); font-size: 13px; margin: 18px 0; }
.guest-auth .or::before, .guest-auth .or::after { content: ''; flex: 1; border-top: 1px solid var(--line); }
.guest-auth .error { margin: 16px 0 0; padding: 10px 12px; border-radius: 10px; background: var(--failed-soft); color: var(--failed); border: 1px solid var(--failed-line); font-size: 14px; }