/* layout.css - Макет страницы */
.main-content {
    flex-grow: 1;
    margin-left: 280px; /* Ширина сайдбара */
    min-height: 100vh;
    background: #f8f9fa;
}

.page-header {
    background: white;
    padding: 30px 0;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-header h1 {
    color: #2c3e50;
    font-size: 28px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.page-header p {
    color: #7f8c8d;
    margin-top: 10px;
    font-size: 16px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .main-content { margin-left: 0; }
    .sidebar { 
        width: 70px;
        padding: 20px 0;
    }
    .sidebar-button span {
        display: none;
    }
}