:root {
    --sidebar-width: 240px;
}

body {
    background-color: #f4f6f9;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    overflow-x: hidden;
}

.sidebar {
    height: 100vh;
    background: #1a1d20;
    color: white;
    position: fixed;
    right: 0;
    top: 0;
    width: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.main-content {
    margin-right: var(--sidebar-width);
    padding: 30px;
    transition: 0.3s;
}

.nav-link {
    color: #8e949a;
    cursor: pointer;
    padding: 12px 20px;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: #2c3136;
    border-radius: 8px;
    margin: 0 10px;
}

.card {
    border-radius: 15px;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.backup-section {
    margin-top: auto;
    padding: 20px;
    border-top: 1px solid #343a40;
}

tr.clickable-row {
    cursor: pointer;
}

tr.clickable-row:hover {
    background-color: #f8f9fa;
}

@media print {

    /* ????? ????? ???????? ??????? */
    body * {
        visibility: hidden;
    }

    /* ????? ????? ??????? ??? */
    .modal-content,
    .modal-content * {
        visibility: visible;
    }

    .modal-content {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        border: none !important;
    }

    /* ????? ????? ??????? ???????? ???? ?????? */
    .d-print-none {
        display: none !important;
    }
}