/* ---------- Nav row: logo, Michelle chat, menu pushed right, sign-in button ---------- */
/* Signed out, the last item is a gold "Sign in" button; signed in
   (remember-me cookie), it becomes "Hi, Name". */
.nav-inner { justify-content: flex-start; }
.nav-chat .chat-fab-slot { margin-left: 0; }
.nav-links { margin-left: auto; }
.nav-auth { display: flex; align-items: center; flex: 0 0 auto; }
.nav-auth .nav-auth-btn { padding: 9px 18px; font-size: 14px; white-space: nowrap; }
.nav-auth .nav-account .nav-link { font-weight: 500; }
.nav-auth .mega-col-title { text-transform: none; letter-spacing: 0; font-size: 12.5px; word-break: break-all; }
/* hidden must win over the display rules on .nav-link / .btn */
.nav-auth [hidden], .mobile-menu [hidden] { display: none !important; }
.mobile-auth { font-weight: 600; margin-top: 12px; }
@media (max-width: 1240px) {
    .nav-auth { display: none; }
    .hamburger { margin-left: auto; }
}

/* ---------- Sign-in / sign-up dialog ---------- */
.air-modal { position: fixed; inset: 0; z-index: 10000; display: flex; align-items: center; justify-content: center; padding: 16px; background: rgba(26, 26, 26, 0.45); }
.air-modal[hidden] { display: none; }
.air-dialog {
    position: relative; width: 100%; max-width: 440px; max-height: calc(100vh - 32px); overflow-y: auto;
    background: #fff; border-radius: 18px; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.35);
    padding: 28px 28px 24px; font-family: var(--font-body); color: var(--ink);
}
.air-close { position: absolute; top: 12px; right: 12px; width: 34px; height: 34px; border: none; background: transparent; border-radius: 50%; font-size: 22px; line-height: 1; color: var(--ink-soft); cursor: pointer; }
.air-close:hover { background: var(--paper-soft); }
.air-dialog h2 { font-family: var(--font-display); font-size: 24px; font-weight: 700; margin: 0 30px 6px 0; line-height: 1.25; }
.air-dialog .air-lede { font-size: 14.5px; color: var(--ink-soft); line-height: 1.5; margin: 0 0 18px; }
.air-tabs { display: flex; gap: 4px; background: var(--paper-soft); border-radius: 999px; padding: 4px; margin-bottom: 18px; }
.air-tabs button { flex: 1; border: none; background: transparent; border-radius: 999px; padding: 8px 10px; font: 500 14px var(--font-body); color: var(--ink-soft); cursor: pointer; }
.air-tabs button[aria-selected="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1); }
.air-form { display: flex; flex-direction: column; gap: 12px; }
.air-form[hidden] { display: none; }
.air-form label { display: flex; flex-direction: column; gap: 5px; font-size: 13.5px; font-weight: 500; }
.air-form label em { font-style: normal; font-weight: 400; color: var(--ink-quiet, #777); }
.air-form input { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; font: 400 15px var(--font-body); color: var(--ink); }
.air-form input:focus { outline: 2px solid var(--teal); outline-offset: 0; border-color: transparent; }
.air-form .btn { justify-content: center; margin-top: 4px; }
.air-form .btn[disabled] { opacity: 0.6; cursor: wait; }
.air-error { color: #B3261E; font-size: 13.5px; margin: 0; }
.air-error:empty { display: none; }
.air-note { font-size: 12.5px; color: var(--ink-soft); line-height: 1.5; margin: 14px 0 0; }
.air-note a { color: var(--teal-deep); }
.air-done { text-align: left; }
.air-done[hidden] { display: none; }
.air-done p { font-size: 15px; line-height: 1.55; color: var(--ink-soft); margin: 0 0 16px; }
.air-done .btn { display: inline-flex; }