/* ============================================================
   CrossWord — cross_refs.css
   Phase B: Cross Reference panel and verse button.
   ============================================================ */

/* ── Verse action: ⇄ button ──────────────────────────────── */
.xref-btn {
    opacity: 0.55;
    font-size: 0.85rem;
    transition: opacity 0.2s, color 0.2s;
}

.xref-btn:hover {
    opacity: 1;
    color: var(--gold);
}

/* ── Standalone panel (from Reader verse button) ─────────── */
.xref-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 490;
    background: rgba(17,37,72,0.45);
    backdrop-filter: blur(2px);
}

.xref-overlay.visible { display: block; }

.xref-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 500;
    background: var(--surface);
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    box-shadow: var(--shadow-xl);
    max-height: 75dvh;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.28s cubic-bezier(0.16,1,0.3,1);
    /* Sits above nav but below Word Study Panel (z=300) */
}

.xref-panel.open {
    transform: translateY(0);
}

@media (min-width: 768px) {
    .xref-panel {
        left: auto;
        right: 0;
        top: 0;
        bottom: 0;
        width: 380px;
        max-height: 100dvh;
        border-radius: var(--r-xl) 0 0 var(--r-xl);
        transform: translateX(100%);
    }
    .xref-panel.open { transform: translateX(0); }
}

.xref-panel-handle {
    width: 36px;
    height: 4px;
    background: var(--border);
    border-radius: var(--r-pill);
    margin: 10px auto 0;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .xref-panel-handle { display: none; }
}

.xref-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-sm) var(--sp-md);
    border-bottom: 1px solid var(--border-light);
    background: var(--navy);
    flex-shrink: 0;
}

.xref-panel-title {
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--parchment);
}

.xref-panel-close {
    background: none;
    border: none;
    color: rgba(237,227,207,0.55);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: var(--r-sm);
    line-height: 1;
    transition: color 0.15s;
}

.xref-panel-close:hover { color: var(--parchment); }

.xref-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--sp-sm) var(--sp-md) var(--sp-md);
    -webkit-overflow-scrolling: touch;
}

/* ── Results ─────────────────────────────────────────────── */
.xref-header-meta {
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: var(--sp-xs) 0 var(--sp-sm);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--sp-sm);
}

.xref-group {
    margin-bottom: var(--sp-md);
}

.xref-group-label {
    font-family: var(--font-display);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold-dark);
    margin-bottom: var(--sp-xs);
}

.xref-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--sp-sm);
    padding: var(--sp-sm) 0;
    border-bottom: 1px solid var(--border-light);
}

.xref-row:last-child { border-bottom: none; }

.xref-row-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
}

.xref-ref {
    font-family: var(--font-display);
    font-size: 0.88rem;
    color: var(--navy);
    font-weight: 600;
}

.xref-shared {
    font-family: var(--font-greek);
    font-size: 0.9rem;
    color: var(--navy-mid);
}

.xref-gloss {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── When rendered inside Word Study Panel ───────────────── */
#sheet-body .xref-header-meta {
    padding-top: var(--sp-sm);
}