/* THE GATE — a small board game standing in front of an email address.

   Same rules as the rest of the site: no library, nothing leaves the page, and every colour is a
   palette role so the white theme inverts it with everything else. A test refuses any literal colour
   in this file. */

.brain-container.has-contact-gate {
    position: relative;
}

.contact-gate-view {
    position: absolute;
    inset: 0;
    /* above the cubes, which set z-index 50 inline on the BACK cube */
    z-index: 60;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1rem 1.2rem;
    background: var(--page);
    border: 2px solid var(--rule);
    color: var(--ink);
    overflow-y: auto;
    overscroll-behavior: auto;
    font-family: 'Courier New', monospace;
}

.contact-gate-view[hidden],
.contact-gate-view [hidden] {
    display: none !important;
}

.contact-gate-view__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
}

.contact-gate-view__title {
    font-size: 1.05rem;
    font-weight: bold;
    letter-spacing: 0.14em;
    color: var(--accent-text);
}

.contact-gate-view__sub {
    margin-top: 0.25rem;
    font-size: 0.78rem;
    line-height: 1.45;
    color: var(--muted);
    max-width: 46ch;
}

.contact-gate-view__close {
    flex: 0 0 auto;
    width: 2rem;
    height: 2rem;
    font-size: 1.1rem;
    line-height: 1;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--rule);
    cursor: pointer;
}

.contact-gate-view__close:hover,
.contact-gate-view__close:focus-visible {
    border-color: var(--accent);
    color: var(--accent-text);
}

/* the progress counter: the one number the reader is chasing */
.contact-gate-view__wins {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.contact-gate-view__board {
    display: grid;
    grid-template-columns: repeat(3, 4.4rem);
    grid-template-rows: repeat(3, 4.4rem);
    gap: 0.4rem;
}

.contact-gate-view__cell {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-size: 1.9rem;
    color: var(--cube-ink);
    background: var(--cube);
    border: 1px solid var(--cube-edge);
    cursor: pointer;
    transition: background 0.12s ease, border-color 0.12s ease;
}

.contact-gate-view__cell:hover:not(:disabled),
.contact-gate-view__cell:focus-visible:not(:disabled) {
    border-color: var(--accent);
}

/* The reader's mark is an accent chip with the ink role on it, never `--accent-text` on the cube:
   in the dark palette the cube is white and #ff6600 on white measures 2.94:1 — the pairing this site
   has been caught by twice. Black on orange is 7.15:1 in both palettes. The house's mark stays in the
   cube's own ink, so fill-versus-no-fill is what tells the two apart. */
.contact-gate-view__cell[data-mark="X"] {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-ink);
}

.contact-gate-view__cell[data-mark="O"] {
    color: var(--cube-ink);
}

/* a completed line is marked on the board, not only in the status sentence: border to the active
   colour and thicker, which is visible in both palettes without washing the cell out */
.contact-gate-view__cell.is-winning {
    border-color: var(--active);
    border-width: 3px;
}

.contact-gate-view__cell:disabled {
    cursor: default;
    opacity: 0.85;
}

.contact-gate-view__status {
    font-size: 0.85rem;
    line-height: 1.5;
    text-align: center;
    color: var(--ink);
    max-width: 40ch;
}

.contact-gate-view__reveal {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0.4rem;
    padding: 0.9rem 1.1rem;
    border: 1px solid var(--accent);
    background: var(--surface);
    text-align: center;
}

.contact-gate-view__reveal-note {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--muted);
    max-width: 40ch;
}

.contact-gate-view__email {
    font-size: 1rem;
    letter-spacing: 0.04em;
    color: var(--accent-text);
    word-break: break-all;
}

.contact-gate-view__copy {
    font-family: inherit;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    color: var(--ink);
    background: var(--page);
    border: 1px solid var(--rule);
    cursor: pointer;
}

.contact-gate-view__copy:hover,
.contact-gate-view__copy:focus-visible {
    border-color: var(--accent);
    color: var(--accent-text);
}

@media (max-width: 420px) {
    .contact-gate-view__board {
        grid-template-columns: repeat(3, 3.6rem);
        grid-template-rows: repeat(3, 3.6rem);
    }

    .contact-gate-view__cell {
        font-size: 1.6rem;
    }
}