/* Handbook page – works in both Admin and Member layouts */

.handbook-page {
    padding: 0;
    max-width: 100%;
}

/* ----- Intro section: light card, high-contrast text ----- */
.handbook-intro {
    background: #fff;
    border-radius: 12px;
    padding: 2rem 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    border-left: 4px solid #6d28d9;
}

.handbook-intro__inner {
    max-width: 720px;
}

.handbook-intro__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, #6d28d9 0%, #7c3aed 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.handbook-intro__title {
    margin: 0 0 1rem 0;
    font-size: 1.65rem;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.handbook-intro__lead {
    margin: 0 0 1rem 0;
    font-size: 1.05rem;
    line-height: 1.6;
    color: #334155;
}

.handbook-intro__lead strong {
    color: #1e293b;
    font-weight: 600;
}

.handbook-intro__text {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    line-height: 1.65;
    color: #475569;
}

.handbook-intro__tagline {
    margin: 1.5rem 0 0 0;
    padding-top: 1.25rem;
    border-top: 1px solid #e2e8f0;
    font-size: 1.05rem;
    font-weight: 600;
    color: #334155;
}

.handbook-intro__motto {
    color: #6d28d9;
    font-weight: 700;
}

/* ----- Nav actions ----- */
.handbook-actions {
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.handbook-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #f1f5f9;
    color: #475569;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border: 1px solid #e2e8f0;
}

.handbook-back:hover {
    background: #e2e8f0;
    color: #334155;
    text-decoration: none;
}

/* ----- PDF viewer block ----- */
.handbook-pdf-wrap {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.handbook-pdf-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.handbook-pdf-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.handbook-pdf-nav .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #475569;
}

.handbook-pdf-nav .btn:hover:not(:disabled) {
    background: #6366f1;
    border-color: #6366f1;
    color: #fff;
}

.handbook-pdf-nav .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.handbook-pdf-pager {
    font-size: 0.9rem;
    font-weight: 500;
    color: #64748b;
}

.handbook-pdf-viewer {
    padding: 1rem;
    background: #f8fafc;
    text-align: center;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.handbook-pdf-viewer canvas {
    max-width: 100%;
    height: auto !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border-radius: 4px;
}

.handbook-pdf-loading,
.handbook-pdf-error {
    padding: 2rem;
    text-align: center;
    color: #64748b;
}

.handbook-pdf-error {
    color: #dc2626;
}

@media (max-width: 768px) {
    .handbook-intro {
        padding: 1.5rem 1.25rem;
    }
    .handbook-intro__title {
        font-size: 1.4rem;
    }
    .handbook-pdf-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .handbook-pdf-nav {
        justify-content: center;
    }
    .handbook-pdf-pager {
        text-align: center;
    }
}