.logo {
    width: 75px;
    height: 75px;
    background-image: url('/images/logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    display: inline-block;
}
.logo_guest {
    width: 100%;
    height: 170px;
    background-image: url(/images/logo.png);
    background-size: contain;
    background-position: center;
    display: inline-block;
}
.navbar-nav .nav-link {
    font-weight: bold;
    color: #000 !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: #000 !important;
    text-decoration: none;
}
/* Ручки для resize */
.resizable-box {
    position: absolute;
    box-sizing: border-box;
}

.resizable-box .resize-handle {
    width: 10px;
    height: 10px;
    background: #007bff;
    border: 1px solid #fff;
    position: absolute;
    z-index: 10;
    cursor: pointer;
}

/* Уголки */
.resize-handle.top-left { top: -5px; left: -5px; cursor: nw-resize; }
.resize-handle.top-right { top: -5px; right: -5px; cursor: ne-resize; }
.resize-handle.bottom-left { bottom: -5px; left: -5px; cursor: sw-resize; }
.resize-handle.bottom-right { bottom: -5px; right: -5px; cursor: se-resize; }

/* Подсетка (визуальная) */
#pdf-canvas::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: linear-gradient(to right, #eee 1px, transparent 1px),
    linear-gradient(to bottom, #eee 1px, transparent 1px);
    background-size: 20px 20px; /* шаг сетки */
    pointer-events: none;
    z-index: 0;
}