/* ============================================================
   Secure PDF Viewer – stili v1.2
   ============================================================ */

.spv-wrapper {
    max-width: 860px;
    margin: 0 auto 2em;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

/* ── Toolbar ─────────────────────────────────────────────── */
.spv-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: #3a3a3a;
    border-radius: 6px 6px 0 0;
    flex-wrap: wrap;
}

.spv-btn {
    background: #555;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 4px 12px;
    font-size: 18px;
    line-height: 1.3;
    cursor: pointer;
    transition: background 0.15s;
    min-width: 32px;
}

.spv-btn:hover:not(:disabled) {
    background: #777;
}

.spv-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.spv-page-info {
    font-size: 13px;
    color: #ccc;
}

.spv-separator {
    display: inline-block;
    width: 1px;
    height: 20px;
    background: #666;
    margin: 0 4px;
}

.spv-zoom-level {
    font-size: 12px;
    color: #ccc;
    min-width: 40px;
    text-align: center;
}

/* ── Canvas area ──────────────────────────────────────────── */
.spv-canvas-container {
    position: relative;
    background: #525659;
    padding: 20px;
    /* display: block permette lo scroll in tutte le direzioni quando il canvas
       supera la larghezza del container (flex centering blocca lo scroll sx) */
    display: block;
    text-align: center;
    min-height: 120px;
    overflow: auto;
    max-height: 80vh;
}

.spv-canvas {
    display: none;
    max-width: none;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.45);
    border-radius: 2px;
    pointer-events: none;
}

/* Overlay: cursore manina, gestisce il pan */
.spv-overlay {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    cursor: grab;
}

/* Cursore durante il trascinamento */
.spv-overlay.spv-panning {
    cursor: grabbing;
}

/* ── Loading / errore ────────────────────────────────────── */
.spv-loading {
    padding: 40px 20px;
    text-align: center;
    color: #ccc;
    font-size: 14px;
    background: #525659;
}

.spv-error {
    color: #c00;
    font-size: 14px;
    margin: 8px 0;
}