/* ═══════════════════════════════════════════════════════════════
                     DOWNLOADS & QR CODES
   Post-book section: ePub, M4B, podcast feed, QR codes.
   Matches reader aesthetic: Cormorant headings, Inter body, gold accent.
   ═══════════════════════════════════════════════════════════════ */

/* ── Section wrapper ── */
.reader-downloads {
    max-width: var(--reader-max-width, 680px);
    margin: 0 auto;
    padding: 2rem 0 1rem;
}

.reader-downloads-title {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    color: var(--reader-text);
    margin: 0 0 0.5rem;
}

.reader-downloads-subtitle {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.7rem;
    color: var(--reader-text-muted);
    text-align: center;
    margin: 0 0 1.5rem;
}

/* ── Button grid ── */
.button-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.btn-action {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.65rem 1.25rem;
    border-radius: 24px;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid var(--reader-border);
}

    .btn-action i {
        font-size: 0.8rem;
    }

.btn-primary {
    background: var(--reader-chapter-accent);
    color: white;
    border-color: var(--reader-chapter-accent);
}

    .btn-primary:hover {
        opacity: 0.9;
        transform: translateY(-1px);
        box-shadow: 0 2px 8px rgba(201, 162, 39, 0.25);
    }

.btn-outline {
    background: transparent;
    color: var(--reader-text-muted);
}

    .btn-outline:hover {
        border-color: var(--reader-chapter-accent);
        color: var(--reader-chapter-accent);
    }

/* ── QR code grid ── */
.qr-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.qr-wrapper {
    text-align: center;
    padding: 1.25rem;
    background: var(--reader-surface);
    border: 1px solid var(--reader-border);
    border-radius: 16px;
    min-width: 200px;
    max-width: 240px;
}

.qr-title {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--reader-text);
    margin: 0 0 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

    .qr-title i {
        color: var(--reader-chapter-accent);
        font-size: 0.75rem;
    }

.qr-frame {
    display: inline-block;
    padding: 10px;
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid var(--reader-border);
    margin-bottom: 0.75rem;
}

    /* Force QR canvas/img to render crisply */
    .qr-frame img,
    .qr-frame canvas {
        display: block;
        border-radius: 4px;
    }

.qr-helper {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.6rem;
    color: var(--reader-text-muted);
    line-height: 1.5;
    margin: 0;
}

    .qr-helper small {
        opacity: 0.7;
    }


/* ── Mobile ── */
@media (max-width: 640px) {
    .button-grid {
        flex-direction: column;
        align-items: center;
    }

    .btn-action {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .qr-grid {
        flex-direction: column;
        align-items: center;
    }

    .qr-wrapper {
        max-width: 100%;
        width: 100%;
    }
}

/* ── Dark theme: QR frame stays white ── */
[data-theme="dark"] .qr-frame {
    border-color: rgba(255, 255, 255, 0.1);
}