/* ============================================================
   PDF SLIDE VIEWER — shared by brand-project.html & excel-project.html
   ============================================================ */

.viewer-wrap {
    background-color: #111;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    min-height: 300px;
}

#pdfCanvas {
    display: block;
    width: 100%;
    height: auto;
    background: #111;
}

.slide-counter {
    position: absolute;
    bottom: 14px;
    right: 18px;
    background: rgba(0,0,0,0.6);
    color: rgba(255,255,255,0.85);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 50px;
    pointer-events: none;
    z-index: 10;
}

.pdf-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 16px;
}

.pdf-nav button {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    border: 1.5px solid var(--border);
    background: var(--white);
    color: var(--dark);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.pdf-nav button:hover:not(:disabled) {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white);
}

.pdf-nav button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.pdf-nav .page-label {
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--dark);
    min-width: 70px;
    text-align: center;
}

.loading-state {
    width: 100%;
    height: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #1a1a1a;
    color: rgba(255,255,255,0.4);
    font-family: var(--font-display);
    gap: 14px;
    font-size: 0.88rem;
    text-align: center;
    padding: 20px;
}

.loading-state .spinner-border {
    width: 2rem;
    height: 2rem;
    color: var(--blue) !important;
}

.detail-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray);
    font-family: var(--font-display);
    margin-bottom: 6px;
}

.detail-value {
    font-size: 0.92rem;
    color: var(--dark);
    margin-bottom: 20px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray);
    margin-bottom: 28px;
    transition: color var(--transition);
    text-decoration: none;
}

.back-link:hover { color: var(--blue); }