/* =========================================================
   Notification Bar – bkbg-nb-*
   ========================================================= */

/* ── Variables (set via inline style on .bkbg-nb-bar) ── */
.bkbg-nb-bar {
    --bkbg-nb-bg:    #2563eb;
    --bkbg-nb-text:  #ffffff;
    --bkbg-nb-link:  #bfdbfe;
    --bkbg-nb-close: #93c5fd;
    --bkbg-nb-fs:    14px;
    --bkbg-nb-pad:   12px;

    background: var(--bkbg-nb-bg);
    color: var(--bkbg-nb-text);
    font-size: var(--bkbg-nb-fs);
    padding: var(--bkbg-nb-pad) 0;
    width: 100%;
    box-sizing: border-box;
    z-index: 9999;
    will-change: transform, opacity;
}

/* ── Sticky states (applied to outer wrapper by frontend.js) ── */
.bkbg-nb-wrap--top-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}
.bkbg-nb-wrap--bottom-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
}

/* ── Inner layout ── */
.bkbg-nb-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.bkbg-nb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    flex-wrap: wrap;
    justify-content: center;
}

/* ── Icon ── */
.bkbg-nb-icon {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    line-height: 1;
}
.bkbg-nb-icon svg,
.bkbg-nb-icon img {
    width: 16px;
    height: 16px;
}
/* Inline SVG icons rendered by frontend.js */
.bkbg-nb-icon--info::before      { content: 'ℹ️'; }
.bkbg-nb-icon--warning::before   { content: '⚠️'; }
.bkbg-nb-icon--star::before      { content: '⭐'; }
.bkbg-nb-icon--megaphone::before { content: '📢'; }
.bkbg-nb-icon--bell::before      { content: '🔔'; }

/* ── Message ── */
.bkbg-nb-message {
    font-family: var(--bkbg-nb-msg-font-family, inherit);
    font-size: var(--bkbg-nb-msg-font-size-d, var(--bkbg-nb-fs, 14px));
    font-weight: var(--bkbg-nb-msg-font-weight, var(--bkbg-nb-fw, 500));
    font-style: var(--bkbg-nb-msg-font-style, normal);
    text-decoration: var(--bkbg-nb-msg-text-decoration, none);
    text-transform: var(--bkbg-nb-msg-text-transform, none);
    line-height: var(--bkbg-nb-msg-line-height-d, var(--bkbg-nb-lh, 1.4));
    letter-spacing: var(--bkbg-nb-msg-letter-spacing-d, normal);
    word-spacing: var(--bkbg-nb-msg-word-spacing-d, normal);
}
.bkbg-nb-message strong,
.bkbg-nb-message b { font-weight: 700; }

/* ── CTA link ── */
.bkbg-nb-link {
    color: var(--bkbg-nb-link);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 2px;
    white-space: nowrap;
    transition: opacity 0.2s;
}
.bkbg-nb-link:hover { opacity: 0.8; }

/* ── Close button ── */
.bkbg-nb-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--bkbg-nb-close);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 4px;
    flex-shrink: 0;
    opacity: 0.85;
    transition: opacity 0.2s;
}
.bkbg-nb-close:hover { opacity: 1; }
.bkbg-nb-close svg {
    width: 16px;
    height: 16px;
    pointer-events: none;
}

/* ── Animations ── */
@keyframes bkbg-nb-slide-down { from { transform: translateY(-100%); } to { transform: translateY(0); } }
@keyframes bkbg-nb-slide-up   { from { transform: translateY(100%);  } to { transform: translateY(0); } }
@keyframes bkbg-nb-fade-in    { from { opacity: 0; } to { opacity: 1; } }

.bkbg-nb-wrap--anim-slide.bkbg-nb-wrap--top-sticky    { animation: bkbg-nb-slide-down 0.35s ease forwards; }
.bkbg-nb-wrap--anim-slide.bkbg-nb-wrap--bottom-sticky { animation: bkbg-nb-slide-up   0.35s ease forwards; }
.bkbg-nb-wrap--anim-fade                              { animation: bkbg-nb-fade-in    0.35s ease forwards; }

/* hidden until JS shows it */
.bkbg-nb-wrap[data-delay] { opacity: 0; }
.bkbg-nb-wrap--visible    { opacity: 1; }

/* ── Push body down when top-sticky so content isn't obscured ── */
body.bkbg-nb-push-top    { transition: padding-top 0.35s ease; }
body.bkbg-nb-push-bottom { transition: padding-bottom 0.35s ease; }

/* ── Editor preview label ── */
.bkbg-nb-editor-wrap {
    padding: 8px 0;
}
.bkbg-nb-preview-label {
    font-size: 11px;
    color: #6b7280;
    margin-bottom: 6px;
    font-style: italic;
}

@media (max-width: 1024px) {
    /* ── Message ── */
.bkbg-nb-message {
        font-size: var(--bkbg-nb-msg-font-size-t, var(--bkbg-nb-msg-font-size-d, var(--bkbg-nb-fs, 14px)));
        line-height: var(--bkbg-nb-msg-line-height-t, var(--bkbg-nb-msg-line-height-d, var(--bkbg-nb-lh, 1.4)));
        letter-spacing: var(--bkbg-nb-msg-letter-spacing-t, var(--bkbg-nb-msg-letter-spacing-d, normal));
        word-spacing: var(--bkbg-nb-msg-word-spacing-t, var(--bkbg-nb-msg-word-spacing-d, normal));
    }
}
@media (max-width: 767px) {
    /* ── Message ── */
.bkbg-nb-message {
        font-size: var(--bkbg-nb-msg-font-size-m, var(--bkbg-nb-msg-font-size-t, var(--bkbg-nb-msg-font-size-d, var(--bkbg-nb-fs, 14px))));
        line-height: var(--bkbg-nb-msg-line-height-m, var(--bkbg-nb-msg-line-height-t, var(--bkbg-nb-msg-line-height-d, var(--bkbg-nb-lh, 1.4))));
        letter-spacing: var(--bkbg-nb-msg-letter-spacing-m, var(--bkbg-nb-msg-letter-spacing-t, var(--bkbg-nb-msg-letter-spacing-d, normal)));
        word-spacing: var(--bkbg-nb-msg-word-spacing-m, var(--bkbg-nb-msg-word-spacing-t, var(--bkbg-nb-msg-word-spacing-d, normal)));
    }
}