/* Общие стили для всех страниц */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 20px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.back-link {
    color: #007bff;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.back-link i {
    margin-right: 5px;
}

/* Уведомления */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-info {
    color: #31708f;
    background-color: #d9edf7;
    border-color: #bce8f1;
}

.alert-success {
    color: #3c763d;
    background-color: #dff0d8;
    border-color: #d6e9c6;
}

.alert-danger {
    color: #a94442;
    background-color: #f2dede;
    border-color: #ebccd1;
}

/* Формы */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    box-sizing: border-box;
}

textarea {
    font-family: sans-serif;
    min-height: 150px;
}

/* Медиа-запросы для мобильных устройств */
@media (max-width: 768px) {
    body {
        padding: 10px;
        font-size: 14px;
    }
    
    .container {
        padding: 15px;
    }
    
    .header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header h1 {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .back-link {
        font-size: 14px;
        margin-bottom: 10px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}