/* Sign-up / log-in / profile popups, shared by every page on the site (loaded on demand) and by the games.
   Everything is scoped to .modal-back so it can't leak into a page's own styles. */
.modal-back {
  --qm-bg: var(--bg, #F8F9F0); --qm-ink: var(--ink, var(--color-navy, #1E4A5F)); --qm-yellow: var(--yellow, #EDC46A); --qm-soft: rgba(30, 74, 95, .65);
  position: fixed; inset: 0; background: rgba(30, 74, 95, .35); display: grid; place-items: center; padding: 16px; z-index: 200;
  font-family: "Fraunces", Georgia, serif; font-weight: 500; line-height: 1.4; color: var(--qm-ink);
}
.modal-back * { box-sizing: border-box; }
.modal-back .modal-card { position: relative; width: min(420px, 100%); max-height: 92dvh; overflow-y: auto; background: var(--qm-bg); border: 1.5px solid var(--qm-ink); border-radius: 10px; padding: 26px 24px 20px; box-shadow: 0 10px 30px rgba(30, 74, 95, .3); color: var(--qm-ink); }
.modal-back h2 { margin: 0 0 10px; font-weight: 700; font-size: clamp(1.75rem, 8.2vw, 2.4rem); line-height: 1.05; letter-spacing: -.015em; padding-right: 22px; }
.modal-back p { margin: 4px 0 12px; }
.modal-back .soft { color: var(--qm-soft); }
.modal-back .small { font-size: .85rem; margin: 6px 0 0; }
.modal-back .hint { margin: -4px 0 0; }
.modal-back .modal-x { position: absolute; top: 6px; right: 8px; width: 34px; height: 34px; border: 0; background: none; font: inherit; font-size: 1.7rem; line-height: 1; cursor: pointer; color: var(--qm-ink); }
.modal-back .auth-form { display: grid; gap: 12px; }
.modal-back .field { display: grid; gap: 4px; font-size: .85rem; }
.modal-back .field input { border: 1.5px solid var(--qm-ink); border-radius: 6px; background: #fff; padding: 9px 10px; font: inherit; font-size: 1rem; color: var(--qm-ink); }
.modal-back .form-error { color: #b3261e; min-height: 1.2em; margin: 0; font-size: .9rem; }
.modal-back .auth-links { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 12px; font-size: .85rem; }
.modal-back .terms { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; font-size: .8rem; line-height: 1.35; margin: 0; }
.modal-back .terms input { margin-top: 3px; width: 17px; height: 17px; accent-color: var(--qm-ink); }
.modal-back .terms a { color: var(--qm-ink); }
.modal-back .card-actions { margin-top: 22px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.modal-back .text-btn { background: transparent; border: 1.5px solid var(--qm-ink); border-radius: 6px; padding: 6px 14px; cursor: pointer; font: inherit; color: var(--qm-ink); }
.modal-back .text-btn:hover:not(:disabled) { background: var(--qm-ink); color: var(--qm-bg); }
.modal-back .text-btn:disabled { opacity: .5; }
.modal-back .text-btn.big { padding: 10px 22px; font-size: 1.05rem; }
.modal-back .link { background: none; border: 0; padding: 4px; font: inherit; color: var(--qm-ink); text-decoration: underline; cursor: pointer; }