.reader-help-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 100000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.reader-help-overlay.active { display: flex; }
.reader-help-content {
    background: var(--bg-color, #fff);
    color: var(--text-color, #333);
    border-radius: 16px;
    padding: 2rem;
    max-width: 600px;
    width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: readerHelpIn 0.3s ease;
}
@keyframes readerHelpIn {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.reader-help-content h2 {
    text-align: center;
    margin: 0 0 1.5rem;
    font-size: 1.4rem;
    color: var(--primary-color, var(--gold-color, #c8a45a));
}
.reader-help-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
@media (max-width: 600px) {
    .reader-help-grid { grid-template-columns: 1fr; }
    .reader-help-creative { grid-template-columns: 1fr; }
}
.reader-help-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.2rem 0 0.8rem;
}
.reader-help-divider::before,
.reader-help-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color, rgba(0,0,0,0.1));
}
.reader-help-divider span {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-color, var(--gold-color, #c8a45a));
    white-space: nowrap;
}
.reader-help-creative {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}
.reader-help-item {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.6rem;
    border-radius: 10px;
    background: var(--bg-secondary, rgba(0,0,0,0.03));
    transition: background 0.2s;
}
.reader-help-item:hover { background: var(--bg-secondary, rgba(0,0,0,0.06)); }
.reader-help-icon { flex-shrink: 0; line-height: 1; color: var(--primary-color, var(--gold-color, #c8a45a)); }
.reader-help-text h3 { margin: 0 0 0.2rem; font-size: 0.85rem; }
.reader-help-text p { margin: 0; font-size: 0.78rem; opacity: 0.75; line-height: 1.4; }
.reader-help-close-btn {
    display: block;
    margin: 1.5rem auto 0;
    padding: 0.6rem 2.5rem;
    border: none;
    border-radius: 8px;
    background: var(--primary-color, var(--gold-color, #c8a45a));
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}
.reader-help-close-btn:hover { opacity: 0.85; }
.reader-help-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    align-items: center;
    margin-top: 1.5rem;
}
/* The close button already carries its own top margin; inside the actions row we
   neutralise it so both buttons sit on the same baseline. */
.reader-help-actions .reader-help-close-btn { margin: 0; }
.reader-help-tour-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.6rem;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.reader-help-tour-btn:hover { transform: translateY(-1px); box-shadow: 0 9px 24px rgba(99, 102, 241, 0.45); }
.reader-help-tour-btn:active { transform: scale(0.98); }
.reader-help-tour-btn svg { flex-shrink: 0; }
[dir="rtl"] .reader-help-tour-btn svg { transform: scaleX(-1); }
.reader-help-footer {
    text-align: center;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    opacity: 0.6;
}
.reader-help-footer label { cursor: pointer; }
.reader-help-footer input[type="checkbox"] { margin-inline-end: 0.4rem; }