/* Battle Barge — Reference drawer
   ================================================================
   A slide-up sheet (sibling of the More drawer) that overlays the
   current screen with a rules quick-reference. Opening it never routes,
   so an in-progress battle stays mounted underneath.

   The Reference tab is universe-scoped: only shown in 40k for now.
   ================================================================ */

/* ----------------------------------------------------------------
   Tab gating — hidden by default, revealed only in the 40k universe.
   ---------------------------------------------------------------- */
.bb-tab-reference {
    display: none;
}
html[data-universe="40k"] .bb-tab-reference {
    display: flex;
}

/* ----------------------------------------------------------------
   Backdrop + sheet. Sits at the same layer as the More drawer.
   ---------------------------------------------------------------- */
.bb-reference-backdrop {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--bb-transition-base);
}
.bb-reference-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.bb-reference-drawer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    display: flex;
    flex-direction: column;
    /* Tall sheet — this is reading material, not a nav grid. Cap the
       height and let the body scroll; reserve room for the bottom nav
       and the iOS home indicator so nothing is clipped. */
    max-height: 85vh;
    background: var(--bb-bg-surface);
    border-top: 1px solid var(--bb-border);
    border-radius: var(--bb-radius-lg) var(--bb-radius-lg) 0 0;
    transform: translateY(100%);
    transition: transform var(--bb-transition-base);
    box-shadow: var(--bb-shadow-lg);
}
.bb-reference-drawer.is-open {
    transform: translateY(0);
}

.bb-reference-handle {
    width: 40px;
    height: 4px;
    background: var(--bb-border);
    border-radius: var(--bb-radius-full);
    margin: var(--bb-space-3) auto var(--bb-space-2);
    flex: none;
}

.bb-reference-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--bb-space-4) var(--bb-space-2);
    flex: none;
}
.bb-reference-title {
    margin: 0;
    font-family: var(--bb-font-display, var(--bb-font-body));
    font-size: var(--bb-text-lg);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--bb-text-primary);
}
.bb-reference-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--bb-radius-full);
    color: var(--bb-text-muted);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
}
.bb-reference-close:hover,
.bb-reference-close:focus-visible {
    color: var(--bb-text-primary);
    background: var(--bb-bg-elevated);
    outline: none;
}

.bb-reference-content {
    /* Re-declare the 40k component vars (normally only set on .fk-screen)
       so the .fk-* cards/tables render themed inside the shared drawer.
       data-universe="40k" on <html> supplies the --fk-* source values;
       the hard fallbacks keep it readable even outside that scope. */
    --c-surface: var(--fk-surface, #15171c);
    --c-surface-2: var(--fk-surface-2, #1d2027);
    --c-line: var(--fk-line, #2b2f38);
    --c-text: var(--fk-text, #e8e6df);
    --c-muted: var(--fk-muted, #8b9099);
    --c-accent: var(--fk-accent, #c9a227);
    --c-radius: var(--fk-radius, 10px);

    flex: 1 1 auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0 var(--bb-space-4);
    padding-bottom: calc(var(--bb-space-6) + 60px + env(safe-area-inset-bottom, 0px));
    color: var(--c-text);
}

/* ----------------------------------------------------------------
   Reference content (rendered by /static/40k/js/reference.js).
   .fk-card / .fk-muted come from 40k.css; the .fk-ref-* classes below
   are specific to this quick-reference layout.
   ---------------------------------------------------------------- */
.bb-reference-content .fk-ref-lead {
    font-size: 0.85rem;
    margin: var(--bb-space-2) 0 0;
}
.bb-reference-content .fk-ref-section {
    margin: var(--bb-space-3) 0;
}
.bb-reference-content .fk-ref-h {
    margin: 0 0 var(--bb-space-2);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--c-accent);
}
/* Sub-heading within a section (e.g. "Identical attacks" under Saves).
   Top border + spacing separate it cleanly from the preceding list, and
   it uses readable text rather than the muted keyword-label grey. */
.bb-reference-content .fk-ref-subh {
    margin: var(--bb-space-4) 0 var(--bb-space-2);
    padding-top: var(--bb-space-3);
    border-top: 1px solid var(--c-line);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--c-text);
}
.bb-reference-content p,
.bb-reference-content li {
    font-size: 0.92rem;
    line-height: 1.45;
}
.bb-reference-content .fk-ref-steps,
.bb-reference-content .fk-ref-notes {
    margin: var(--bb-space-2) 0 0;
    padding-left: 1.1em;
}
.bb-reference-content .fk-ref-notes li + li {
    margin-top: 4px;
}

.bb-reference-content .fk-ref-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--bb-space-2) 0;
    font-size: 0.92rem;
}
.bb-reference-content .fk-ref-table th,
.bb-reference-content .fk-ref-table td {
    text-align: left;
    padding: 7px 8px;
    border-bottom: 1px solid var(--c-line);
}
.bb-reference-content .fk-ref-table thead th {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--c-muted);
}
.bb-reference-content .fk-ref-roll {
    width: 3.5em;
    text-align: center;
    font-weight: 700;
    color: var(--c-accent);
}

.bb-reference-content .fk-ref-kwgroup {
    margin-top: var(--bb-space-3);
}
.bb-reference-content .fk-ref-kwhead {
    margin: 0 0 8px;
    font-size: 0.98rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--c-accent);
}
.bb-reference-content .fk-ref-kwlist {
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px 0;
}
.bb-reference-content .fk-ref-kwlist dt {
    font-weight: 700;
    color: var(--c-text);
    font-size: 0.86rem;
    letter-spacing: 0.02em;
}
.bb-reference-content .fk-ref-kwlist dd {
    margin: 1px 0 0;
    color: var(--c-muted);
    font-size: 0.86rem;
    line-height: 1.4;
}
